/model_brush.c
C | 8790 lines | 7317 code | 714 blank | 759 comment | 1736 complexity | bdcd1e0e15402d0330593af75e6a1f84 MD5 | raw file
Possible License(s): GPL-2.0
- /*
- Copyright (C) 1996-1997 Id Software, Inc.
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License
- as published by the Free Software Foundation; either version 2
- of the License, or (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- See the GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
- #include "quakedef.h"
- #include "image.h"
- #include "r_shadow.h"
- #include "polygon.h"
- #include "curves.h"
- #include "wad.h"
- //cvar_t r_subdivide_size = {CVAR_SAVE, "r_subdivide_size", "128", "how large water polygons should be (smaller values produce more polygons which give better warping effects)"};
- cvar_t mod_bsp_portalize = {0, "mod_bsp_portalize", "1", "enables portal generation from BSP tree (may take several seconds per map), used by r_drawportals, r_useportalculling, r_shadow_realtime_world_compileportalculling, sv_cullentities_portal"};
- cvar_t r_novis = {0, "r_novis", "0", "draws whole level, see also sv_cullentities_pvs 0"};
- cvar_t r_nosurftextures = {0, "r_nosurftextures", "0", "pretends there was no texture lump found in the q1bsp/hlbsp loading (useful for debugging this rare case)"};
- cvar_t r_subdivisions_tolerance = {0, "r_subdivisions_tolerance", "4", "maximum error tolerance on curve subdivision for rendering purposes (in other words, the curves will be given as many polygons as necessary to represent curves at this quality)"};
- cvar_t r_subdivisions_mintess = {0, "r_subdivisions_mintess", "0", "minimum number of subdivisions (values above 0 will smooth curves that don't need it)"};
- cvar_t r_subdivisions_maxtess = {0, "r_subdivisions_maxtess", "1024", "maximum number of subdivisions (prevents curves beyond a certain detail level, limits smoothing)"};
- cvar_t r_subdivisions_maxvertices = {0, "r_subdivisions_maxvertices", "65536", "maximum vertices allowed per subdivided curve"};
- cvar_t r_subdivisions_collision_tolerance = {0, "r_subdivisions_collision_tolerance", "15", "maximum error tolerance on curve subdivision for collision purposes (usually a larger error tolerance than for rendering)"};
- cvar_t r_subdivisions_collision_mintess = {0, "r_subdivisions_collision_mintess", "0", "minimum number of subdivisions (values above 0 will smooth curves that don't need it)"};
- cvar_t r_subdivisions_collision_maxtess = {0, "r_subdivisions_collision_maxtess", "1024", "maximum number of subdivisions (prevents curves beyond a certain detail level, limits smoothing)"};
- cvar_t r_subdivisions_collision_maxvertices = {0, "r_subdivisions_collision_maxvertices", "4225", "maximum vertices allowed per subdivided curve"};
- cvar_t r_trippy = {0, "r_trippy", "0", "easter egg"};
- cvar_t r_fxaa = {CVAR_SAVE, "r_fxaa", "0", "fast approximate anti aliasing"};
- cvar_t mod_noshader_default_offsetmapping = {CVAR_SAVE, "mod_noshader_default_offsetmapping", "1", "use offsetmapping by default on all surfaces that are not using q3 shader files"};
- cvar_t mod_obj_orientation = {0, "mod_obj_orientation", "1", "fix orientation of OBJ models to the usual conventions (if zero, use coordinates as is)"};
- cvar_t mod_q2bsp_littransparentsurfaces = {0, "mod_q2bsp_littransparentsurfaces", "0", "allows lighting on rain in 3v3gloom3 and other cases of transparent surfaces that have lightmaps that were ignored by quake2"};
- cvar_t mod_q3bsp_curves_collisions = {0, "mod_q3bsp_curves_collisions", "1", "enables collisions with curves (SLOW)"};
- cvar_t mod_q3bsp_curves_collisions_stride = {0, "mod_q3bsp_curves_collisions_stride", "16", "collisions against curves: optimize performance by doing a combined collision check for this triangle amount first (-1 avoids any box tests)"};
- cvar_t mod_q3bsp_curves_stride = {0, "mod_q3bsp_curves_stride", "16", "particle effect collisions against curves: optimize performance by doing a combined collision check for this triangle amount first (-1 avoids any box tests)"};
- cvar_t mod_q3bsp_optimizedtraceline = {0, "mod_q3bsp_optimizedtraceline", "1", "whether to use optimized traceline code for line traces (as opposed to tracebox code)"};
- cvar_t mod_q3bsp_debugtracebrush = {0, "mod_q3bsp_debugtracebrush", "0", "selects different tracebrush bsp recursion algorithms (for debugging purposes only)"};
- cvar_t mod_q3bsp_lightmapmergepower = {CVAR_SAVE, "mod_q3bsp_lightmapmergepower", "4", "merges the quake3 128x128 lightmap textures into larger lightmap group textures to speed up rendering, 1 = 256x256, 2 = 512x512, 3 = 1024x1024, 4 = 2048x2048, 5 = 4096x4096, ..."};
- cvar_t mod_q3bsp_nolightmaps = {CVAR_SAVE, "mod_q3bsp_nolightmaps", "0", "do not load lightmaps in Q3BSP maps (to save video RAM, but be warned: it looks ugly)"};
- cvar_t mod_q3bsp_tracelineofsight_brushes = {0, "mod_q3bsp_tracelineofsight_brushes", "0", "enables culling of entities behind detail brushes, curves, etc"};
- cvar_t mod_q3bsp_sRGBlightmaps = {0, "mod_q3bsp_sRGBlightmaps", "0", "treat lightmaps from Q3 maps as sRGB when vid_sRGB is active"};
- cvar_t mod_q3shader_default_offsetmapping = {CVAR_SAVE, "mod_q3shader_default_offsetmapping", "1", "use offsetmapping by default on all surfaces that are using q3 shader files"};
- cvar_t mod_q3shader_default_offsetmapping_scale = {CVAR_SAVE, "mod_q3shader_default_offsetmapping_scale", "1", "default scale used for offsetmapping"};
- cvar_t mod_q3shader_default_offsetmapping_bias = {CVAR_SAVE, "mod_q3shader_default_offsetmapping_bias", "0", "default bias used for offsetmapping"};
- cvar_t mod_q3shader_default_polygonfactor = {0, "mod_q3shader_default_polygonfactor", "0", "biases depth values of 'polygonoffset' shaders to prevent z-fighting artifacts"};
- cvar_t mod_q3shader_default_polygonoffset = {0, "mod_q3shader_default_polygonoffset", "-2", "biases depth values of 'polygonoffset' shaders to prevent z-fighting artifacts"};
- cvar_t mod_q3shader_force_addalpha = {0, "mod_q3shader_force_addalpha", "0", "treat GL_ONE GL_ONE (or add) blendfunc as GL_SRC_ALPHA GL_ONE for compatibility with older DarkPlaces releases"};
- cvar_t mod_q3shader_force_terrain_alphaflag = {0, "mod_q3shader_force_terrain_alphaflag", "0", "for multilayered terrain shaders force TEXF_ALPHA flag on both layers"};
- cvar_t mod_q1bsp_polygoncollisions = {0, "mod_q1bsp_polygoncollisions", "0", "disables use of precomputed cliphulls and instead collides with polygons (uses Bounding Interval Hierarchy optimizations)"};
- cvar_t mod_collision_bih = {0, "mod_collision_bih", "1", "enables use of generated Bounding Interval Hierarchy tree instead of compiled bsp tree in collision code"};
- cvar_t mod_recalculatenodeboxes = {0, "mod_recalculatenodeboxes", "1", "enables use of generated node bounding boxes based on BSP tree portal reconstruction, rather than the node boxes supplied by the map compiler"};
- static texture_t mod_q1bsp_texture_solid;
- static texture_t mod_q1bsp_texture_sky;
- static texture_t mod_q1bsp_texture_lava;
- static texture_t mod_q1bsp_texture_slime;
- static texture_t mod_q1bsp_texture_water;
- static qboolean Mod_Q3BSP_TraceLineOfSight(struct model_s *model, const vec3_t start, const vec3_t end, const vec3_t acceptmins, const vec3_t acceptmaxs);
- void Mod_BrushInit(void)
- {
- // Cvar_RegisterVariable(&r_subdivide_size);
- Cvar_RegisterVariable(&mod_bsp_portalize);
- Cvar_RegisterVariable(&r_novis);
- Cvar_RegisterVariable(&r_nosurftextures);
- Cvar_RegisterVariable(&r_subdivisions_tolerance);
- Cvar_RegisterVariable(&r_subdivisions_mintess);
- Cvar_RegisterVariable(&r_subdivisions_maxtess);
- Cvar_RegisterVariable(&r_subdivisions_maxvertices);
- Cvar_RegisterVariable(&r_subdivisions_collision_tolerance);
- Cvar_RegisterVariable(&r_subdivisions_collision_mintess);
- Cvar_RegisterVariable(&r_subdivisions_collision_maxtess);
- Cvar_RegisterVariable(&r_subdivisions_collision_maxvertices);
- Cvar_RegisterVariable(&r_trippy);
- Cvar_RegisterVariable(&r_fxaa);
- Cvar_RegisterVariable(&mod_noshader_default_offsetmapping);
- Cvar_RegisterVariable(&mod_obj_orientation);
- Cvar_RegisterVariable(&mod_q2bsp_littransparentsurfaces);
- Cvar_RegisterVariable(&mod_q3bsp_curves_collisions);
- Cvar_RegisterVariable(&mod_q3bsp_curves_collisions_stride);
- Cvar_RegisterVariable(&mod_q3bsp_curves_stride);
- Cvar_RegisterVariable(&mod_q3bsp_optimizedtraceline);
- Cvar_RegisterVariable(&mod_q3bsp_debugtracebrush);
- Cvar_RegisterVariable(&mod_q3bsp_lightmapmergepower);
- Cvar_RegisterVariable(&mod_q3bsp_nolightmaps);
- Cvar_RegisterVariable(&mod_q3bsp_sRGBlightmaps);
- Cvar_RegisterVariable(&mod_q3bsp_tracelineofsight_brushes);
- Cvar_RegisterVariable(&mod_q3shader_default_offsetmapping);
- Cvar_RegisterVariable(&mod_q3shader_default_offsetmapping_scale);
- Cvar_RegisterVariable(&mod_q3shader_default_offsetmapping_bias);
- Cvar_RegisterVariable(&mod_q3shader_default_polygonfactor);
- Cvar_RegisterVariable(&mod_q3shader_default_polygonoffset);
- Cvar_RegisterVariable(&mod_q3shader_force_addalpha);
- Cvar_RegisterVariable(&mod_q3shader_force_terrain_alphaflag);
- Cvar_RegisterVariable(&mod_q1bsp_polygoncollisions);
- Cvar_RegisterVariable(&mod_collision_bih);
- Cvar_RegisterVariable(&mod_recalculatenodeboxes);
- // these games were made for older DP engines and are no longer
- // maintained; use this hack to show their textures properly
- if(gamemode == GAME_NEXUIZ)
- Cvar_SetQuick(&mod_q3shader_force_addalpha, "1");
- memset(&mod_q1bsp_texture_solid, 0, sizeof(mod_q1bsp_texture_solid));
- strlcpy(mod_q1bsp_texture_solid.name, "solid" , sizeof(mod_q1bsp_texture_solid.name));
- mod_q1bsp_texture_solid.surfaceflags = 0;
- mod_q1bsp_texture_solid.supercontents = SUPERCONTENTS_SOLID;
- mod_q1bsp_texture_sky = mod_q1bsp_texture_solid;
- strlcpy(mod_q1bsp_texture_sky.name, "sky", sizeof(mod_q1bsp_texture_sky.name));
- mod_q1bsp_texture_sky.surfaceflags = Q3SURFACEFLAG_SKY | Q3SURFACEFLAG_NOIMPACT | Q3SURFACEFLAG_NOMARKS | Q3SURFACEFLAG_NODLIGHT | Q3SURFACEFLAG_NOLIGHTMAP;
- mod_q1bsp_texture_sky.supercontents = SUPERCONTENTS_SKY | SUPERCONTENTS_NODROP;
- mod_q1bsp_texture_lava = mod_q1bsp_texture_solid;
- strlcpy(mod_q1bsp_texture_lava.name, "*lava", sizeof(mod_q1bsp_texture_lava.name));
- mod_q1bsp_texture_lava.surfaceflags = Q3SURFACEFLAG_NOMARKS;
- mod_q1bsp_texture_lava.supercontents = SUPERCONTENTS_LAVA | SUPERCONTENTS_NODROP;
- mod_q1bsp_texture_slime = mod_q1bsp_texture_solid;
- strlcpy(mod_q1bsp_texture_slime.name, "*slime", sizeof(mod_q1bsp_texture_slime.name));
- mod_q1bsp_texture_slime.surfaceflags = Q3SURFACEFLAG_NOMARKS;
- mod_q1bsp_texture_slime.supercontents = SUPERCONTENTS_SLIME;
- mod_q1bsp_texture_water = mod_q1bsp_texture_solid;
- strlcpy(mod_q1bsp_texture_water.name, "*water", sizeof(mod_q1bsp_texture_water.name));
- mod_q1bsp_texture_water.surfaceflags = Q3SURFACEFLAG_NOMARKS;
- mod_q1bsp_texture_water.supercontents = SUPERCONTENTS_WATER;
- }
- static mleaf_t *Mod_Q1BSP_PointInLeaf(dp_model_t *model, const vec3_t p)
- {
- mnode_t *node;
- if (model == NULL)
- return NULL;
- // LordHavoc: modified to start at first clip node,
- // in other words: first node of the (sub)model
- node = model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode;
- while (node->plane)
- node = node->children[(node->plane->type < 3 ? p[node->plane->type] : DotProduct(p,node->plane->normal)) < node->plane->dist];
- return (mleaf_t *)node;
- }
- static void Mod_Q1BSP_AmbientSoundLevelsForPoint(dp_model_t *model, const vec3_t p, unsigned char *out, int outsize)
- {
- int i;
- mleaf_t *leaf;
- leaf = Mod_Q1BSP_PointInLeaf(model, p);
- if (leaf)
- {
- i = min(outsize, (int)sizeof(leaf->ambient_sound_level));
- if (i)
- {
- memcpy(out, leaf->ambient_sound_level, i);
- out += i;
- outsize -= i;
- }
- }
- if (outsize)
- memset(out, 0, outsize);
- }
- static int Mod_Q1BSP_FindBoxClusters(dp_model_t *model, const vec3_t mins, const vec3_t maxs, int maxclusters, int *clusterlist)
- {
- int numclusters = 0;
- int nodestackindex = 0;
- mnode_t *node, *nodestack[1024];
- if (!model->brush.num_pvsclusters)
- return -1;
- node = model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode;
- for (;;)
- {
- #if 1
- if (node->plane)
- {
- // node - recurse down the BSP tree
- int sides = BoxOnPlaneSide(mins, maxs, node->plane);
- if (sides < 3)
- {
- if (sides == 0)
- return -1; // ERROR: NAN bounding box!
- // box is on one side of plane, take that path
- node = node->children[sides-1];
- }
- else
- {
- // box crosses plane, take one path and remember the other
- if (nodestackindex < 1024)
- nodestack[nodestackindex++] = node->children[0];
- node = node->children[1];
- }
- continue;
- }
- else
- {
- // leaf - add clusterindex to list
- if (numclusters < maxclusters)
- clusterlist[numclusters] = ((mleaf_t *)node)->clusterindex;
- numclusters++;
- }
- #else
- if (BoxesOverlap(mins, maxs, node->mins, node->maxs))
- {
- if (node->plane)
- {
- if (nodestackindex < 1024)
- nodestack[nodestackindex++] = node->children[0];
- node = node->children[1];
- continue;
- }
- else
- {
- // leaf - add clusterindex to list
- if (numclusters < maxclusters)
- clusterlist[numclusters] = ((mleaf_t *)node)->clusterindex;
- numclusters++;
- }
- }
- #endif
- // try another path we didn't take earlier
- if (nodestackindex == 0)
- break;
- node = nodestack[--nodestackindex];
- }
- // return number of clusters found (even if more than the maxclusters)
- return numclusters;
- }
- static int Mod_Q1BSP_BoxTouchingPVS(dp_model_t *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs)
- {
- int nodestackindex = 0;
- mnode_t *node, *nodestack[1024];
- if (!model->brush.num_pvsclusters)
- return true;
- node = model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode;
- for (;;)
- {
- #if 1
- if (node->plane)
- {
- // node - recurse down the BSP tree
- int sides = BoxOnPlaneSide(mins, maxs, node->plane);
- if (sides < 3)
- {
- if (sides == 0)
- return -1; // ERROR: NAN bounding box!
- // box is on one side of plane, take that path
- node = node->children[sides-1];
- }
- else
- {
- // box crosses plane, take one path and remember the other
- if (nodestackindex < 1024)
- nodestack[nodestackindex++] = node->children[0];
- node = node->children[1];
- }
- continue;
- }
- else
- {
- // leaf - check cluster bit
- int clusterindex = ((mleaf_t *)node)->clusterindex;
- if (CHECKPVSBIT(pvs, clusterindex))
- {
- // it is visible, return immediately with the news
- return true;
- }
- }
- #else
- if (BoxesOverlap(mins, maxs, node->mins, node->maxs))
- {
- if (node->plane)
- {
- if (nodestackindex < 1024)
- nodestack[nodestackindex++] = node->children[0];
- node = node->children[1];
- continue;
- }
- else
- {
- // leaf - check cluster bit
- int clusterindex = ((mleaf_t *)node)->clusterindex;
- if (CHECKPVSBIT(pvs, clusterindex))
- {
- // it is visible, return immediately with the news
- return true;
- }
- }
- }
- #endif
- // nothing to see here, try another path we didn't take earlier
- if (nodestackindex == 0)
- break;
- node = nodestack[--nodestackindex];
- }
- // it is not visible
- return false;
- }
- static int Mod_Q1BSP_BoxTouchingLeafPVS(dp_model_t *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs)
- {
- int nodestackindex = 0;
- mnode_t *node, *nodestack[1024];
- if (!model->brush.num_leafs)
- return true;
- node = model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode;
- for (;;)
- {
- #if 1
- if (node->plane)
- {
- // node - recurse down the BSP tree
- int sides = BoxOnPlaneSide(mins, maxs, node->plane);
- if (sides < 3)
- {
- if (sides == 0)
- return -1; // ERROR: NAN bounding box!
- // box is on one side of plane, take that path
- node = node->children[sides-1];
- }
- else
- {
- // box crosses plane, take one path and remember the other
- if (nodestackindex < 1024)
- nodestack[nodestackindex++] = node->children[0];
- node = node->children[1];
- }
- continue;
- }
- else
- {
- // leaf - check cluster bit
- int clusterindex = ((mleaf_t *)node) - model->brush.data_leafs;
- if (CHECKPVSBIT(pvs, clusterindex))
- {
- // it is visible, return immediately with the news
- return true;
- }
- }
- #else
- if (BoxesOverlap(mins, maxs, node->mins, node->maxs))
- {
- if (node->plane)
- {
- if (nodestackindex < 1024)
- nodestack[nodestackindex++] = node->children[0];
- node = node->children[1];
- continue;
- }
- else
- {
- // leaf - check cluster bit
- int clusterindex = ((mleaf_t *)node) - model->brush.data_leafs;
- if (CHECKPVSBIT(pvs, clusterindex))
- {
- // it is visible, return immediately with the news
- return true;
- }
- }
- }
- #endif
- // nothing to see here, try another path we didn't take earlier
- if (nodestackindex == 0)
- break;
- node = nodestack[--nodestackindex];
- }
- // it is not visible
- return false;
- }
- static int Mod_Q1BSP_BoxTouchingVisibleLeafs(dp_model_t *model, const unsigned char *visibleleafs, const vec3_t mins, const vec3_t maxs)
- {
- int nodestackindex = 0;
- mnode_t *node, *nodestack[1024];
- if (!model->brush.num_leafs)
- return true;
- node = model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode;
- for (;;)
- {
- #if 1
- if (node->plane)
- {
- // node - recurse down the BSP tree
- int sides = BoxOnPlaneSide(mins, maxs, node->plane);
- if (sides < 3)
- {
- if (sides == 0)
- return -1; // ERROR: NAN bounding box!
- // box is on one side of plane, take that path
- node = node->children[sides-1];
- }
- else
- {
- // box crosses plane, take one path and remember the other
- if (nodestackindex < 1024)
- nodestack[nodestackindex++] = node->children[0];
- node = node->children[1];
- }
- continue;
- }
- else
- {
- // leaf - check if it is visible
- if (visibleleafs[(mleaf_t *)node - model->brush.data_leafs])
- {
- // it is visible, return immediately with the news
- return true;
- }
- }
- #else
- if (BoxesOverlap(mins, maxs, node->mins, node->maxs))
- {
- if (node->plane)
- {
- if (nodestackindex < 1024)
- nodestack[nodestackindex++] = node->children[0];
- node = node->children[1];
- continue;
- }
- else
- {
- // leaf - check if it is visible
- if (visibleleafs[(mleaf_t *)node - model->brush.data_leafs])
- {
- // it is visible, return immediately with the news
- return true;
- }
- }
- }
- #endif
- // nothing to see here, try another path we didn't take earlier
- if (nodestackindex == 0)
- break;
- node = nodestack[--nodestackindex];
- }
- // it is not visible
- return false;
- }
- typedef struct findnonsolidlocationinfo_s
- {
- vec3_t center;
- vec3_t absmin, absmax;
- vec_t radius;
- vec3_t nudge;
- vec_t bestdist;
- dp_model_t *model;
- }
- findnonsolidlocationinfo_t;
- static void Mod_Q1BSP_FindNonSolidLocation_r_Triangle(findnonsolidlocationinfo_t *info, msurface_t *surface, int k)
- {
- int i, *tri;
- float dist, f, vert[3][3], edge[3][3], facenormal[3], edgenormal[3][3], point[3];
- tri = (info->model->surfmesh.data_element3i + 3 * surface->num_firsttriangle) + k * 3;
- VectorCopy((info->model->surfmesh.data_vertex3f + tri[0] * 3), vert[0]);
- VectorCopy((info->model->surfmesh.data_vertex3f + tri[1] * 3), vert[1]);
- VectorCopy((info->model->surfmesh.data_vertex3f + tri[2] * 3), vert[2]);
- VectorSubtract(vert[1], vert[0], edge[0]);
- VectorSubtract(vert[2], vert[1], edge[1]);
- CrossProduct(edge[1], edge[0], facenormal);
- if (facenormal[0] || facenormal[1] || facenormal[2])
- {
- VectorNormalize(facenormal);
- f = DotProduct(info->center, facenormal) - DotProduct(vert[0], facenormal);
- if (f <= info->bestdist && f >= -info->bestdist)
- {
- VectorSubtract(vert[0], vert[2], edge[2]);
- VectorNormalize(edge[0]);
- VectorNormalize(edge[1]);
- VectorNormalize(edge[2]);
- CrossProduct(facenormal, edge[0], edgenormal[0]);
- CrossProduct(facenormal, edge[1], edgenormal[1]);
- CrossProduct(facenormal, edge[2], edgenormal[2]);
- // face distance
- if (DotProduct(info->center, edgenormal[0]) < DotProduct(vert[0], edgenormal[0])
- && DotProduct(info->center, edgenormal[1]) < DotProduct(vert[1], edgenormal[1])
- && DotProduct(info->center, edgenormal[2]) < DotProduct(vert[2], edgenormal[2]))
- {
- // we got lucky, the center is within the face
- dist = DotProduct(info->center, facenormal) - DotProduct(vert[0], facenormal);
- if (dist < 0)
- {
- dist = -dist;
- if (info->bestdist > dist)
- {
- info->bestdist = dist;
- VectorScale(facenormal, (info->radius - -dist), info->nudge);
- }
- }
- else
- {
- if (info->bestdist > dist)
- {
- info->bestdist = dist;
- VectorScale(facenormal, (info->radius - dist), info->nudge);
- }
- }
- }
- else
- {
- // check which edge or vertex the center is nearest
- for (i = 0;i < 3;i++)
- {
- f = DotProduct(info->center, edge[i]);
- if (f >= DotProduct(vert[0], edge[i])
- && f <= DotProduct(vert[1], edge[i]))
- {
- // on edge
- VectorMA(info->center, -f, edge[i], point);
- dist = sqrt(DotProduct(point, point));
- if (info->bestdist > dist)
- {
- info->bestdist = dist;
- VectorScale(point, (info->radius / dist), info->nudge);
- }
- // skip both vertex checks
- // (both are further away than this edge)
- i++;
- }
- else
- {
- // not on edge, check first vertex of edge
- VectorSubtract(info->center, vert[i], point);
- dist = sqrt(DotProduct(point, point));
- if (info->bestdist > dist)
- {
- info->bestdist = dist;
- VectorScale(point, (info->radius / dist), info->nudge);
- }
- }
- }
- }
- }
- }
- }
- static void Mod_Q1BSP_FindNonSolidLocation_r_Leaf(findnonsolidlocationinfo_t *info, mleaf_t *leaf)
- {
- int surfacenum, k, *mark;
- msurface_t *surface;
- for (surfacenum = 0, mark = leaf->firstleafsurface;surfacenum < leaf->numleafsurfaces;surfacenum++, mark++)
- {
- surface = info->model->data_surfaces + *mark;
- if (surface->texture->supercontents & SUPERCONTENTS_SOLID)
- {
- if(surface->deprecatedq3num_bboxstride > 0)
- {
- int i, cnt, tri;
- cnt = (surface->num_triangles + surface->deprecatedq3num_bboxstride - 1) / surface->deprecatedq3num_bboxstride;
- for(i = 0; i < cnt; ++i)
- {
- if(BoxesOverlap(surface->deprecatedq3data_bbox6f + i * 6, surface->deprecatedq3data_bbox6f + i * 6 + 3, info->absmin, info->absmax))
- {
- for(k = 0; k < surface->deprecatedq3num_bboxstride; ++k)
- {
- tri = i * surface->deprecatedq3num_bboxstride + k;
- if(tri >= surface->num_triangles)
- break;
- Mod_Q1BSP_FindNonSolidLocation_r_Triangle(info, surface, tri);
- }
- }
- }
- }
- else
- {
- for (k = 0;k < surface->num_triangles;k++)
- {
- Mod_Q1BSP_FindNonSolidLocation_r_Triangle(info, surface, k);
- }
- }
- }
- }
- }
- static void Mod_Q1BSP_FindNonSolidLocation_r(findnonsolidlocationinfo_t *info, mnode_t *node)
- {
- if (node->plane)
- {
- float f = PlaneDiff(info->center, node->plane);
- if (f >= -info->bestdist)
- Mod_Q1BSP_FindNonSolidLocation_r(info, node->children[0]);
- if (f <= info->bestdist)
- Mod_Q1BSP_FindNonSolidLocation_r(info, node->children[1]);
- }
- else
- {
- if (((mleaf_t *)node)->numleafsurfaces)
- Mod_Q1BSP_FindNonSolidLocation_r_Leaf(info, (mleaf_t *)node);
- }
- }
- static void Mod_Q1BSP_FindNonSolidLocation(dp_model_t *model, const vec3_t in, vec3_t out, float radius)
- {
- int i;
- findnonsolidlocationinfo_t info;
- if (model == NULL)
- {
- VectorCopy(in, out);
- return;
- }
- VectorCopy(in, info.center);
- info.radius = radius;
- info.model = model;
- i = 0;
- do
- {
- VectorClear(info.nudge);
- info.bestdist = radius;
- VectorCopy(info.center, info.absmin);
- VectorCopy(info.center, info.absmax);
- info.absmin[0] -= info.radius + 1;
- info.absmin[1] -= info.radius + 1;
- info.absmin[2] -= info.radius + 1;
- info.absmax[0] += info.radius + 1;
- info.absmax[1] += info.radius + 1;
- info.absmax[2] += info.radius + 1;
- Mod_Q1BSP_FindNonSolidLocation_r(&info, model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode);
- VectorAdd(info.center, info.nudge, info.center);
- }
- while (info.bestdist < radius && ++i < 10);
- VectorCopy(info.center, out);
- }
- int Mod_Q1BSP_SuperContentsFromNativeContents(int nativecontents)
- {
- switch(nativecontents)
- {
- case CONTENTS_EMPTY:
- return 0;
- case CONTENTS_SOLID:
- return SUPERCONTENTS_SOLID | SUPERCONTENTS_OPAQUE;
- case CONTENTS_WATER:
- return SUPERCONTENTS_WATER;
- case CONTENTS_SLIME:
- return SUPERCONTENTS_SLIME;
- case CONTENTS_LAVA:
- return SUPERCONTENTS_LAVA | SUPERCONTENTS_NODROP;
- case CONTENTS_SKY:
- return SUPERCONTENTS_SKY | SUPERCONTENTS_NODROP | SUPERCONTENTS_OPAQUE; // to match behaviour of Q3 maps, let sky count as opaque
- }
- return 0;
- }
- int Mod_Q1BSP_NativeContentsFromSuperContents(int supercontents)
- {
- if (supercontents & (SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY))
- return CONTENTS_SOLID;
- if (supercontents & SUPERCONTENTS_SKY)
- return CONTENTS_SKY;
- if (supercontents & SUPERCONTENTS_LAVA)
- return CONTENTS_LAVA;
- if (supercontents & SUPERCONTENTS_SLIME)
- return CONTENTS_SLIME;
- if (supercontents & SUPERCONTENTS_WATER)
- return CONTENTS_WATER;
- return CONTENTS_EMPTY;
- }
- typedef struct RecursiveHullCheckTraceInfo_s
- {
- // the hull we're tracing through
- const hull_t *hull;
- // the trace structure to fill in
- trace_t *trace;
- // start, end, and end - start (in model space)
- double start[3];
- double end[3];
- double dist[3];
- }
- RecursiveHullCheckTraceInfo_t;
- // 1/32 epsilon to keep floating point happy
- #define DIST_EPSILON (0.03125)
- #define HULLCHECKSTATE_EMPTY 0
- #define HULLCHECKSTATE_SOLID 1
- #define HULLCHECKSTATE_DONE 2
- static int Mod_Q1BSP_RecursiveHullCheck(RecursiveHullCheckTraceInfo_t *t, int num, double p1f, double p2f, double p1[3], double p2[3])
- {
- // status variables, these don't need to be saved on the stack when
- // recursing... but are because this should be thread-safe
- // (note: tracing against a bbox is not thread-safe, yet)
- int ret;
- mplane_t *plane;
- double t1, t2;
- // variables that need to be stored on the stack when recursing
- mclipnode_t *node;
- int p1side, p2side;
- double midf, mid[3];
- // keep looping until we hit a leaf
- while (num >= 0)
- {
- // find the point distances
- node = t->hull->clipnodes + num;
- plane = t->hull->planes + node->planenum;
- // axial planes can be calculated more quickly without the DotProduct
- if (plane->type < 3)
- {
- t1 = p1[plane->type] - plane->dist;
- t2 = p2[plane->type] - plane->dist;
- }
- else
- {
- t1 = DotProduct (plane->normal, p1) - plane->dist;
- t2 = DotProduct (plane->normal, p2) - plane->dist;
- }
- // negative plane distances indicate children[1] (behind plane)
- p1side = t1 < 0;
- p2side = t2 < 0;
- // if the line starts and ends on the same side of the plane, recurse
- // into that child instantly
- if (p1side == p2side)
- {
- #if COLLISIONPARANOID >= 3
- if (p1side)
- Con_Print("<");
- else
- Con_Print(">");
- #endif
- // loop back and process the start child
- num = node->children[p1side];
- }
- else
- {
- // find the midpoint where the line crosses the plane, use the
- // original line for best accuracy
- #if COLLISIONPARANOID >= 3
- Con_Print("M");
- #endif
- if (plane->type < 3)
- {
- t1 = t->start[plane->type] - plane->dist;
- t2 = t->end[plane->type] - plane->dist;
- }
- else
- {
- t1 = DotProduct (plane->normal, t->start) - plane->dist;
- t2 = DotProduct (plane->normal, t->end) - plane->dist;
- }
- midf = t1 / (t1 - t2);
- midf = bound(p1f, midf, p2f);
- VectorMA(t->start, midf, t->dist, mid);
- // we now have a mid point, essentially splitting the line into
- // the segments in the near child and the far child, we can now
- // recurse those in order and get their results
- // recurse both sides, front side first
- ret = Mod_Q1BSP_RecursiveHullCheck(t, node->children[p1side], p1f, midf, p1, mid);
- // if this side is not empty, return what it is (solid or done)
- if (ret != HULLCHECKSTATE_EMPTY)
- return ret;
- ret = Mod_Q1BSP_RecursiveHullCheck(t, node->children[p2side], midf, p2f, mid, p2);
- // if other side is not solid, return what it is (empty or done)
- if (ret != HULLCHECKSTATE_SOLID)
- return ret;
- // front is air and back is solid, this is the impact point...
- // copy the plane information, flipping it if needed
- if (p1side)
- {
- t->trace->plane.dist = -plane->dist;
- VectorNegate (plane->normal, t->trace->plane.normal);
- }
- else
- {
- t->trace->plane.dist = plane->dist;
- VectorCopy (plane->normal, t->trace->plane.normal);
- }
- // calculate the return fraction which is nudged off the surface a bit
- t1 = DotProduct(t->trace->plane.normal, t->start) - t->trace->plane.dist;
- t2 = DotProduct(t->trace->plane.normal, t->end) - t->trace->plane.dist;
- midf = (t1 - collision_impactnudge.value) / (t1 - t2);
- t->trace->fraction = bound(0, midf, 1);
- #if COLLISIONPARANOID >= 3
- Con_Print("D");
- #endif
- return HULLCHECKSTATE_DONE;
- }
- }
- // we reached a leaf contents
- // check for empty
- num = Mod_Q1BSP_SuperContentsFromNativeContents(num);
- if (!t->trace->startfound)
- {
- t->trace->startfound = true;
- t->trace->startsupercontents |= num;
- }
- if (num & SUPERCONTENTS_LIQUIDSMASK)
- t->trace->inwater = true;
- if (num == 0)
- t->trace->inopen = true;
- if (num & SUPERCONTENTS_SOLID)
- t->trace->hittexture = &mod_q1bsp_texture_solid;
- else if (num & SUPERCONTENTS_SKY)
- t->trace->hittexture = &mod_q1bsp_texture_sky;
- else if (num & SUPERCONTENTS_LAVA)
- t->trace->hittexture = &mod_q1bsp_texture_lava;
- else if (num & SUPERCONTENTS_SLIME)
- t->trace->hittexture = &mod_q1bsp_texture_slime;
- else
- t->trace->hittexture = &mod_q1bsp_texture_water;
- t->trace->hitq3surfaceflags = t->trace->hittexture->surfaceflags;
- t->trace->hitsupercontents = num;
- if (num & t->trace->hitsupercontentsmask)
- {
- // if the first leaf is solid, set startsolid
- if (t->trace->allsolid)
- t->trace->startsolid = true;
- #if COLLISIONPARANOID >= 3
- Con_Print("S");
- #endif
- return HULLCHECKSTATE_SOLID;
- }
- else
- {
- t->trace->allsolid = false;
- #if COLLISIONPARANOID >= 3
- Con_Print("E");
- #endif
- return HULLCHECKSTATE_EMPTY;
- }
- }
- //#if COLLISIONPARANOID < 2
- static int Mod_Q1BSP_RecursiveHullCheckPoint(RecursiveHullCheckTraceInfo_t *t, int num)
- {
- mplane_t *plane;
- mclipnode_t *nodes = t->hull->clipnodes;
- mplane_t *planes = t->hull->planes;
- vec3_t point;
- VectorCopy(t->start, point);
- while (num >= 0)
- {
- plane = planes + nodes[num].planenum;
- num = nodes[num].children[(plane->type < 3 ? point[plane->type] : DotProduct(plane->normal, point)) < plane->dist];
- }
- num = Mod_Q1BSP_SuperContentsFromNativeContents(num);
- t->trace->startsupercontents |= num;
- if (num & SUPERCONTENTS_LIQUIDSMASK)
- t->trace->inwater = true;
- if (num == 0)
- t->trace->inopen = true;
- if (num & t->trace->hitsupercontentsmask)
- {
- t->trace->allsolid = t->trace->startsolid = true;
- return HULLCHECKSTATE_SOLID;
- }
- else
- {
- t->trace->allsolid = t->trace->startsolid = false;
- return HULLCHECKSTATE_EMPTY;
- }
- }
- //#endif
- static void Mod_Q1BSP_TracePoint(struct model_s *model, const frameblend_t *frameblend, const skeleton_t *skeleton, trace_t *trace, const vec3_t start, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask)
- {
- RecursiveHullCheckTraceInfo_t rhc;
- memset(&rhc, 0, sizeof(rhc));
- memset(trace, 0, sizeof(trace_t));
- rhc.trace = trace;
- rhc.trace->fraction = 1;
- rhc.trace->allsolid = true;
- rhc.hull = &model->brushq1.hulls[0]; // 0x0x0
- VectorCopy(start, rhc.start);
- VectorCopy(start, rhc.end);
- Mod_Q1BSP_RecursiveHullCheckPoint(&rhc, rhc.hull->firstclipnode);
- }
- static void Mod_Q1BSP_TraceLineAgainstSurfaces(struct model_s *model, const frameblend_t *frameblend, const skeleton_t *skeleton, trace_t *trace, const vec3_t start, const vec3_t end, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask);
- static void Mod_Q1BSP_TraceLine(struct model_s *model, const frameblend_t *frameblend, const skeleton_t *skeleton, trace_t *trace, const vec3_t start, const vec3_t end, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask)
- {
- RecursiveHullCheckTraceInfo_t rhc;
- if (VectorCompare(start, end))
- {
- Mod_Q1BSP_TracePoint(model, frameblend, skeleton, trace, start, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask);
- return;
- }
- // sometimes we want to traceline against polygons so we can report the texture that was hit rather than merely a contents, but using this method breaks one of negke's maps so it must be a cvar check...
- if (sv_gameplayfix_q1bsptracelinereportstexture.integer)
- {
- Mod_Q1BSP_TraceLineAgainstSurfaces(model, frameblend, skeleton, trace, start, end, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask);
- return;
- }
- memset(&rhc, 0, sizeof(rhc));
- memset(trace, 0, sizeof(trace_t));
- rhc.trace = trace;
- rhc.trace->hitsupercontentsmask = hitsupercontentsmask;
- rhc.trace->skipsupercontentsmask = skipsupercontentsmask;
- rhc.trace->skipmaterialflagsmask = skipmaterialflagsmask;
- rhc.trace->fraction = 1;
- rhc.trace->allsolid = true;
- rhc.hull = &model->brushq1.hulls[0]; // 0x0x0
- VectorCopy(start, rhc.start);
- VectorCopy(end, rhc.end);
- VectorSubtract(rhc.end, rhc.start, rhc.dist);
- #if COLLISIONPARANOID >= 2
- Con_Printf("t(%f %f %f,%f %f %f)", rhc.start[0], rhc.start[1], rhc.start[2], rhc.end[0], rhc.end[1], rhc.end[2]);
- Mod_Q1BSP_RecursiveHullCheck(&rhc, rhc.hull->firstclipnode, 0, 1, rhc.start, rhc.end);
- {
- double test[3];
- trace_t testtrace;
- VectorLerp(rhc.start, rhc.trace->fraction, rhc.end, test);
- memset(&testtrace, 0, sizeof(trace_t));
- rhc.trace = &testtrace;
- rhc.trace->hitsupercontentsmask = hitsupercontentsmask;
- rhc.trace->skipsupercontentsmask = skipsupercontentsmask;
- rhc.trace->skipmaterialflagsmask = skipmaterialflagsmask;
- rhc.trace->fraction = 1;
- rhc.trace->allsolid = true;
- VectorCopy(test, rhc.start);
- VectorCopy(test, rhc.end);
- VectorClear(rhc.dist);
- Mod_Q1BSP_RecursiveHullCheckPoint(&rhc, rhc.hull->firstclipnode);
- //Mod_Q1BSP_RecursiveHullCheck(&rhc, rhc.hull->firstclipnode, 0, 1, test, test);
- if (!trace->startsolid && testtrace.startsolid)
- Con_Printf(" - ended in solid!\n");
- }
- Con_Print("\n");
- #else
- if (VectorLength2(rhc.dist))
- Mod_Q1BSP_RecursiveHullCheck(&rhc, rhc.hull->firstclipnode, 0, 1, rhc.start, rhc.end);
- else
- Mod_Q1BSP_RecursiveHullCheckPoint(&rhc, rhc.hull->firstclipnode);
- #endif
- }
- static void Mod_Q1BSP_TraceBox(struct model_s *model, const frameblend_t *frameblend, const skeleton_t *skeleton, trace_t *trace, const vec3_t start, const vec3_t boxmins, const vec3_t boxmaxs, const vec3_t end, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask)
- {
- // this function currently only supports same size start and end
- double boxsize[3];
- RecursiveHullCheckTraceInfo_t rhc;
- if (VectorCompare(boxmins, boxmaxs))
- {
- if (VectorCompare(start, end))
- Mod_Q1BSP_TracePoint(model, frameblend, skeleton, trace, start, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask);
- else
- Mod_Q1BSP_TraceLine(model, frameblend, skeleton, trace, start, end, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask);
- return;
- }
- memset(&rhc, 0, sizeof(rhc));
- memset(trace, 0, sizeof(trace_t));
- rhc.trace = trace;
- rhc.trace->hitsupercontentsmask = hitsupercontentsmask;
- rhc.trace->skipsupercontentsmask = skipsupercontentsmask;
- rhc.trace->skipmaterialflagsmask = skipmaterialflagsmask;
- rhc.trace->fraction = 1;
- rhc.trace->allsolid = true;
- VectorSubtract(boxmaxs, boxmins, boxsize);
- if (boxsize[0] < 3)
- rhc.hull = &model->brushq1.hulls[0]; // 0x0x0
- else if (model->brush.ishlbsp)
- {
- // LordHavoc: this has to have a minor tolerance (the .1) because of
- // minor float precision errors from the box being transformed around
- if (boxsize[0] < 32.1)
- {
- if (boxsize[2] < 54) // pick the nearest of 36 or 72
- rhc.hull = &model->brushq1.hulls[3]; // 32x32x36
- else
- rhc.hull = &model->brushq1.hulls[1]; // 32x32x72
- }
- else
- rhc.hull = &model->brushq1.hulls[2]; // 64x64x64
- }
- else
- {
- // LordHavoc: this has to have a minor tolerance (the .1) because of
- // minor float precision errors from the box being transformed around
- if (boxsize[0] < 32.1)
- rhc.hull = &model->brushq1.hulls[1]; // 32x32x56
- else
- rhc.hull = &model->brushq1.hulls[2]; // 64x64x88
- }
- VectorMAMAM(1, start, 1, boxmins, -1, rhc.hull->clip_mins, rhc.start);
- VectorMAMAM(1, end, 1, boxmins, -1, rhc.hull->clip_mins, rhc.end);
- VectorSubtract(rhc.end, rhc.start, rhc.dist);
- #if COLLISIONPARANOID >= 2
- Con_Printf("t(%f %f %f,%f %f %f,%i %f %f %f)", rhc.start[0], rhc.start[1], rhc.start[2], rhc.end[0], rhc.end[1], rhc.end[2], rhc.hull - model->brushq1.hulls, rhc.hull->clip_mins[0], rhc.hull->clip_mins[1], rhc.hull->clip_mins[2]);
- Mod_Q1BSP_RecursiveHullCheck(&rhc, rhc.hull->firstclipnode, 0, 1, rhc.start, rhc.end);
- {
- double test[3];
- trace_t testtrace;
- VectorLerp(rhc.start, rhc.trace->fraction, rhc.end, test);
- memset(&testtrace, 0, sizeof(trace_t));
- rhc.trace = &testtrace;
- rhc.trace->hitsupercontentsmask = hitsupercontentsmask;
- rhc.trace->skipsupercontentsmask = skipsupercontentsmask;
- rhc.trace->skipmaterialflagsmask = skipmaterialflagsmask;
- rhc.trace->fraction = 1;
- rhc.trace->allsolid = true;
- VectorCopy(test, rhc.start);
- VectorCopy(test, rhc.end);
- VectorClear(rhc.dist);
- Mod_Q1BSP_RecursiveHullCheckPoint(&rhc, rhc.hull->firstclipnode);
- //Mod_Q1BSP_RecursiveHullCheck(&rhc, rhc.hull->firstclipnode, 0, 1, test, test);
- if (!trace->startsolid && testtrace.startsolid)
- Con_Printf(" - ended in solid!\n");
- }
- Con_Print("\n");
- #else
- if (VectorLength2(rhc.dist))
- Mod_Q1BSP_RecursiveHullCheck(&rhc, rhc.hull->firstclipnode, 0, 1, rhc.start, rhc.end);
- else
- Mod_Q1BSP_RecursiveHullCheckPoint(&rhc, rhc.hull->firstclipnode);
- #endif
- }
- static int Mod_Q1BSP_PointSuperContents(struct model_s *model, int frame, const vec3_t point)
- {
- int num = model->brushq1.hulls[0].firstclipnode;
- mplane_t *plane;
- mclipnode_t *nodes = model->brushq1.hulls[0].clipnodes;
- mplane_t *planes = model->brushq1.hulls[0].planes;
- while (num >= 0)
- {
- plane = planes + nodes[num].planenum;
- num = nodes[num].children[(plane->type < 3 ? point[plane->type] : DotProduct(plane->normal, point)) < plane->dist];
- }
- return Mod_Q1BSP_SuperContentsFromNativeContents(num);
- }
- void Collision_ClipTrace_Box(trace_t *trace, const vec3_t cmins, const vec3_t cmaxs, const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask, int boxsupercontents, int boxq3surfaceflags, const texture_t *boxtexture)
- {
- #if 1
- colbrushf_t cbox;
- colplanef_t cbox_planes[6];
- cbox.isaabb = true;
- cbox.hasaabbplanes = true;
- cbox.supercontents = boxsupercontents;
- cbox.numplanes = 6;
- cbox.numpoints = 0;
- cbox.numtriangles = 0;
- cbox.planes = cbox_planes;
- cbox.points = NULL;
- cbox.elements = NULL;
- cbox.markframe = 0;
- cbox.mins[0] = 0;
- cbox.mins[1] = 0;
- cbox.mins[2] = 0;
- cbox.maxs[0] = 0;
- cbox.maxs[1] = 0;
- cbox.maxs[2] = 0;
- cbox_planes[0].normal[0] = 1;cbox_planes[0].normal[1] = 0;cbox_planes[0].normal[2] = 0;cbox_planes[0].dist = cmaxs[0] - mins[0];
- cbox_planes[1].normal[0] = -1;cbox_planes[1].normal[1] = 0;cbox_planes[1].normal[2] = 0;cbox_planes[1].dist = maxs[0] - cmins[0];
- cbox_planes[2].normal[0] = 0;cbox_planes[2].normal[1] = 1;cbox_planes[2].normal[2] = 0;cbox_planes[2].dist = cmaxs[1] - mins[1];
- cbox_planes[3].normal[0] = 0;cbox_planes[3].normal[1] = -1;cbox_planes[3].normal[2] = 0;cbox_planes[3].dist = maxs[1] - cmins[1];
- cbox_planes[4].normal[0] = 0;cbox_planes[4].normal[1] = 0;cbox_planes[4].normal[2] = 1;cbox_planes[4].dist = cmaxs[2] - mins[2];
- cbox_planes[5].normal[0] = 0;cbox_planes[5].normal[1] = 0;cbox_planes[5].normal[2] = -1;cbox_planes[5].dist = maxs[2] - cmins[2];
- cbox_planes[0].q3surfaceflags = boxq3surfaceflags;cbox_planes[0].texture = boxtexture;
- cbox_planes[1].q3surfaceflags = boxq3surfaceflags;cbox_planes[1].texture = boxtexture;
- cbox_planes[2].q3surfaceflags = boxq3surfaceflags;cbox_planes[2].texture = boxtexture;
- cbox_planes[3].q3surfaceflags = boxq3surfaceflags;cbox_planes[3].texture = boxtexture;
- cbox_planes[4].q3surfaceflags = boxq3surfaceflags;cbox_planes[4].texture = boxtexture;
- cbox_planes[5].q3surfaceflags = boxq3surfaceflags;cbox_planes[5].texture = boxtexture;
- memset(trace, 0, sizeof(trace_t));
- trace->hitsupercontentsmask = hitsupercontentsmask;
- trace->skipsupercontentsmask = skipsupercontentsmask;
- trace->skipmaterialflagsmask = skipmaterialflagsmask;
- trace->fraction = 1;
- Collision_TraceLineBrushFloat(trace, start, end, &cbox, &cbox);
- #else
- RecursiveHullCheckTraceInfo_t rhc;
- static hull_t box_hull;
- static mclipnode_t box_clipnodes[6];
- static mplane_t box_planes[6];
- // fill in a default trace
- memset(&rhc, 0, sizeof(rhc));
- memset(trace, 0, sizeof(trace_t));
- //To keep everything totally uniform, bounding boxes are turned into small
- //BSP trees instead of being compared directly.
- // create a temp hull from bounding box sizes
- box_planes[0].dist = cmaxs[0] - mins[0];
- box_planes[1].dist = cmins[0] - maxs[0];
- box_planes[2].dist = cmaxs[1] - mins[1];
- box_planes[3].dist = cmins[1] - maxs[1];
- box_planes[4].dist = cmaxs[2] - mins[2];
- box_planes[5].dist = cmins[2] - maxs[2];
- #if COLLISIONPARANOID >= 3
- Con_Printf("box_planes %f:%f %f:%f %f:%f\ncbox %f %f %f:%f %f %f\nbox %f %f %f:%f %f %f\n", box_planes[0].dist, box_planes[1].dist, box_planes[2].dist, box_planes[3].dist, box_planes[4].dist, box_planes[5].dist, cmins[0], cmins[1], cmins[2], cmaxs[0], cmaxs[1], cmaxs[2], mins[0], mins[1], mins[2], maxs[0], maxs[1], maxs[2]);
- #endif
- if (box_hull.clipnodes == NULL)
- {
- int i, side;
- //Set up the planes and clipnodes so that the six floats of a bounding box
- //can just be stored out and get a proper hull_t structure.
- box_hull.clipnodes = box_clipnodes;
- box_hull.planes = box_planes;
- box_hull.firstclipnode = 0;
- box_hull.lastclipnode = 5;
- for (i = 0;i < 6;i++)
- {
- box_clipnodes[i].planenum = i;
- side = i&1;
- box_clipnodes[i].children[side] = CONTENTS_EMPTY;
- if (i != 5)
- box_clipnodes[i].children[side^1] = i + 1;
- else
- box_clipnodes[i].children[side^1] = CONTENTS_SOLID;
- box_planes[i].type = i>>1;
- box_planes[i].normal[i>>1] = 1;
- }
- }
- // trace a line through the generated clipping hull
- //rhc.boxsupercontents = boxsupercontents;
- rhc.hull = &box_hull;
- rhc.trace = trace;
- rhc.trace->hitsupercontentsmask = hitsupercontentsmask;
- rhc.trace->skipsupercontentsmask = skipsupercontentsmask;
- rhc.trace->skipmaterialflagsmask = skipmaterialflagsmask;
- rhc.trace->fraction = 1;
- rhc.trace->allsolid = true;
- VectorCopy(start, rhc.start);
- VectorCopy(end, rhc.end);
- VectorSubtract(rhc.end, rhc.start, rhc.dist);
- Mod_Q1BSP_RecursiveHullCheck(&rhc, rhc.hull->firstclipnode, 0, 1, rhc.start, rhc.end);
- //VectorMA(rhc.start, rhc.trace->fraction, rhc.dist, rhc.trace->endpos);
- if (rhc.trace->startsupercontents)
- rhc.trace->startsupercontents = boxsupercontents;
- #endif
- }
- void Collision_ClipTrace_Point(trace_t *trace, const vec3_t cmins, const vec3_t cmaxs, const vec3_t start, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask, int boxsupercontents, int boxq3surfaceflags, const texture_t *boxtexture)
- {
- memset(trace, 0, sizeof(trace_t));
- trace->fraction = 1;
- trace->hitsupercontentsmask = hitsupercontentsmask;
- trace->skipsupercontentsmask = skipsupercontentsmask;
- trace->skipmaterialflagsmask = skipmaterialflagsmask;
- if (BoxesOverlap(start, start, cmins, cmaxs))
- {
- trace->startsupercontents |= boxsupercontents;
- if ((hitsupercontentsmask & boxsupercontents) && !(skipsupercontentsmask & boxsupercontents))
- {
- trace->startsolid = true;
- trace->allsolid = true;
- }
- }
- }
- static qboolean Mod_Q1BSP_TraceLineOfSight(struct model_s *model, const vec3_t start, const vec3_t end, const vec3_t acceptmins, const vec3_t acceptmaxs)
- {
- trace_t trace;
- Mod_Q1BSP_TraceLine(model, NULL, NULL, &trace, start, end, SUPERCONTENTS_VISBLOCKERMASK, 0, MATERIALFLAGMASK_TRANSLUCENT);
- return trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, acceptmins, acceptmaxs);
- }
- static int Mod_Q1BSP_LightPoint_RecursiveBSPNode(dp_model_t *model, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal, const mnode_t *node, float x, float y, float startz, float endz)
- {
- int side;
- float front, back;
- float mid, distz = endz - startz;
- while (node->plane)
- {
- switch (node->plane->type)
- {
- case PLANE_X:
- node = node->children[x < node->plane->dist];
- continue; // loop back and process the new node
- case PLANE_Y:
- node = node->children[y < node->plane->dist];
- continue; // loop back and process the new node
- case PLANE_Z:
- side = startz < node->plane->dist;
- if ((endz < node->plane->dist) == side)
- {
- node = node->children[side];
- continue; // loop back and process the new node
- }
- // found an intersection
- mid = node->plane->dist;
- break;
- default:
- back = front = x * node->plane->normal[0] + y * node->plane->normal[1];
- front += startz * node->plane->normal[2];
- back += endz * node->plane->normal[2];
- side = front < node->plane->dist;
- if ((back < node->plane->dist) == side)
- {
- node = node->children[side];
- continue; // loop back and process the new node
- }
- // found an intersection
- mid = startz + distz * (front - node->plane->dist) / (front - back);
- break;
- }
- // go down front side
- if (node->children[side]->plane && Mod_Q1BSP_LightPoint_RecursiveBSPNode(model, ambientcolor, diffusecolor, diffusenormal, node->children[side], x, y, startz, mid))
- return true; // hit something
- // check for impact on this node
- if (node->numsurfaces)
- {
- unsigned int i;
- int dsi, dti, lmwidth, lmheight;
- float ds, dt;
- msurface_t *surface;
- unsigned char *lightmap;
- int maps, line3, size3;
- float dsfrac;
- float dtfrac;
- float scale, w, w00, w01, w10, w11;
- surface = model->data_surfaces + node->firstsurface;
- for (i = 0;i < node->numsurfaces;i++, surface++)
- {
- if (!(surface->texture->basematerialflags & MATERIALFLAG_WALL) || !surface->lightmapinfo || !surface->lightmapinfo->samples)
- continue; // no lightmaps
- // location we want to sample in the lightmap
- ds = ((x * surface->lightmapinfo->texinfo->vecs[0][0] + y * surface->lightmapinfo->texinfo->vecs[0][1] + mid * surface->lightmapinfo->texinfo->vecs[0][2] + surface->lightmapinfo->texinfo->vecs[0][3]) - surface->lightmapinfo->texturemins[0]) * 0.0625f;
- dt = ((x * surface->lightmapinfo->texinfo->vecs[1][0] + y * surface->lightmapinfo->texinfo->vecs[1][1] + mid * surface->lightmapinfo->texinfo->vecs[1][2] + surface->lightmapinfo->texinfo->vecs[1][3]) - surface->lightmapinfo->texturemins[1]) * 0.0625f;
- // check the bounds
- // thanks to jitspoe for pointing out that this int cast was
- // rounding toward zero, so we floor it
- dsi = (int)floor(ds);
- dti = (int)floor(dt);
- lmwidth = ((surface->lightmapinfo->extents[0]>>4)+1);
- lmheight = ((surface->lightmapinfo->extents[1]>>4)+1);
- // is it in bounds?
- // we have to tolerate a position of lmwidth-1 for some rare
- // cases - in which case the sampling position still gets
- // clamped but the color gets interpolated to that edge.
- if (dsi >= 0 && dsi < lmwidth && dti >= 0 && dti < lmheight)
- {
- // in the rare cases where we're sampling slightly off
- // the polygon, clamp the sampling position (we can still
- // interpolate outside it, where it becomes extrapolation)
- if (dsi < 0)
- dsi = 0;
- if (dti < 0)
- dti = 0;
- if (dsi > lmwidth-2)
- dsi = lmwidth-2;
- if (dti > lmheight-2)
- dti = lmheight-2;
-
- // calculate bilinear interpolation factors
- // and also multiply by fixedpoint conversion factors to
- // compensate for lightmaps being 0-255 (as 0-2), we use
- // r_refdef.scene.rtlightstylevalue here which is already
- // 0.000-2.148 range
- // (if we used r_refdef.scene.lightstylevalue this
- // divisor would be 32768 rather than 128)
- dsfrac = ds - dsi;
- dtfrac = dt - dti;
- w00 = (1 - dsfrac) * (1 - dtfrac) * (1.0f / 128.0f);
- w01 = ( dsfrac) * (1 - dtfrac) * (1.0f / 128.0f);
- w10 = (1 - dsfrac) * ( dtfrac) * (1.0f / 128.0f);
- w11 = ( dsfrac) * ( dtfrac) * (1.0f / 128.0f);
- // values for pointer math
- line3 = lmwidth * 3; // LordHavoc: *3 for colored lighting
- size3 = lmwidth * lmheight * 3; // LordHavoc: *3 for colored lighting
- // look up the pixel
- lightmap = surface->lightmapinfo->samples + dti * line3 + dsi*3; // LordHavoc: *3 for colored lighting
- // bilinear filter each lightmap style, and sum them
- for (maps = 0;maps < MAXLIGHTMAPS && surface->lightmapinfo->styles[maps] != 255;maps++)
- {
- scale = r_refdef.scene.rtlightstylevalue[surface->lightmapinfo->styles[maps]];
- w = w00 * scale;VectorMA(ambientcolor, w, lightmap , ambientcolor);
- w = w01 * scale;VectorMA(ambientcolor, w, lightmap + 3 , ambientcolor);
- w = w10 * scale;VectorMA(ambientcolor, w, lightmap + line3 , ambientcolor);
- w = w11 * scale;VectorMA(ambientcolor, w, lightmap + line3 + 3, ambientcolor);
- lightmap += size3;
- }
- return true; // success
- }
- }
- }
- // go down back side
- node = node->children[side ^ 1];
- startz = mid;
- distz = endz - startz;
- // loop back and process the new node
- }
- // did not hit anything
- return false;
- }
- static void Mod_Q1BSP_LightPoint(dp_model_t *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal)
- {
- // pretend lighting is coming down from above (due to lack of a lightgrid to know primary lighting direction)
- VectorSet(diffusenormal, 0, 0, 1);
- if (!model->brushq1.lightdata)
- {
- VectorSet(ambientcolor, 1, 1, 1);
- VectorSet(diffusecolor, 0, 0, 0);
- return;
- }
- Mod_Q1BSP_LightPoint_RecursiveBSPNode(model, ambientcolor, diffusecolor, diffusenormal, model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode, p[0], p[1], p[2] + 0.125, p[2] - 65536);
- }
- static const texture_t *Mod_Q1BSP_TraceLineAgainstSurfacesFindTextureOnNode(RecursiveHullCheckTraceInfo_t *t, const dp_model_t *model, const mnode_t *node, double mid[3])
- {
- unsigned int i;
- int j;
- int k;
- const msurface_t *surface;
- float normal[3];
- float v0[3];
- float v1[3];
- float edgedir[3];
- float edgenormal[3];
- float p[4];
- float midf;
- float t1;
- float t2;
- VectorCopy(mid, p);
- p[3] = 1;
- surface = model->data_surfaces + node->firstsurface;
- for (i = 0;i < node->numsurfaces;i++, surface++)
- {
- // skip surfaces whose bounding box does not include the point
- // if (!BoxesOverlap(mid, mid, surface->mins, surface->maxs))
- // continue;
- // skip faces with contents we don't care about
- if (!(t->trace->hitsupercontentsmask & surface->texture->supercontents))
- continue;
- // ignore surfaces matching the skipsupercontentsmask (this is rare)
- if (t->trace->skipsupercontentsmask & surface->texture->supercontents)
- continue;
- // skip surfaces matching the skipmaterialflagsmask (e.g. MATERIALFLAG_NOSHADOW)
- if (t->trace->skipmaterialflagsmask & surface->texture->currentmaterialflags)
- continue;
- // get the surface normal - since it is flat we know any vertex normal will suffice
- VectorCopy(model->surfmesh.data_normal3f + 3 * surface->num_firstvertex, normal);
- // skip backfaces
- if (DotProduct(t->dist, normal) > 0)
- continue;
- // iterate edges and see if the point is outside one of them
- for (j = 0, k = surface->num_vertices - 1;j < surface->num_vertices;k = j, j++)
- {
- VectorCopy(model->surfmesh.data_vertex3f + 3 * (surface->num_firstvertex + k), v0);
- VectorCopy(model->surfmesh.data_vertex3f + 3 * (surface->num_firstvertex + j), v1);
- VectorSubtract(v0, v1, edgedir);
- CrossProduct(edgedir, normal, edgenormal);
- if (DotProduct(edgenormal, p) > DotProduct(edgenormal, v0))
- break;
- }
- // if the point is outside one of the edges, it is not within the surface
- if (j < surface->num_vertices)
- continue;
- // we hit a surface, this is the impact point...
- VectorCopy(normal, t->trace->plane.normal);
- t->trace->plane.dist = DotProduct(normal, p);
- // calculate the return fraction which is nudged off the surface a bit
- t1 = DotProduct(t->start, t->trace->plane.normal) - t->trace->plane.dist;
- t2 = DotProduct(t->end, t->trace->plane.normal) - t->trace->plane.dist;
- midf = (t1 - collision_impactnudge.value) / (t1 - t2);
- t->trace->fraction = bound(0, midf, 1);
- t->trace->hittexture = surface->texture->currentframe;
- t->trace->hitq3surfaceflags = t->trace->hittexture->surfaceflags;
- t->trace->hitsupercontents = t->trace->hittexture->supercontents;
- return surface->texture->currentframe;
- }
- return NULL;
- }
- static int Mod_Q1BSP_TraceLineAgainstSurfacesRecursiveBSPNode(RecursiveHullCheckTraceInfo_t *t, const dp_model_t *model, const mnode_t *node, const double p1[3], const double p2[3])
- {
- const mplane_t *plane;
- double t1, t2;
- int side;
- double midf, mid[3];
- const mleaf_t *leaf;
- while (node->plane)
- {
- plane = node->plane;
- if (plane->type < 3)
- {
- t1 = p1[plane->type] - plane->dist;
- t2 = p2[plane->type] - plane->dist;
- }
- else
- {
- t1 = DotProduct (plane->normal, p1) - plane->dist;
- t2 = DotProduct (plane->normal, p2) - plane->dist;
- }
- if (t1 < 0)
- {
- if (t2 < 0)
- {
- node = node->children[1];
- continue;
- }
- side = 1;
- }
- else
- {
- if (t2 >= 0)
- {
- node = node->children[0];
- continue;
- }
- side = 0;
- }
- // the line intersects, find intersection point
- // LordHavoc: this uses the original trace for maximum accuracy
- if (plane->type < 3)
- {
- t1 = t->start[plane->type] - plane->dist;
- t2 = t->end[plane->type] - plane->dist;
- }
- else
- {
- t1 = DotProduct (plane->normal, t->start) - plane->dist;
- t2 = DotProduct (plane->normal, t->end) - plane->dist;
- }
-
- midf = t1 / (t1 - t2);
- VectorMA(t->start, midf, t->dist, mid);
- // recurse both sides, front side first, return if we hit a surface
- if (Mod_Q1BSP_TraceLineAgainstSurfacesRecursiveBSPNode(t, model, node->children[side], p1, mid) == HULLCHECKSTATE_DONE)
- return HULLCHECKSTATE_DONE;
- // test each surface on the node
- Mod_Q1BSP_TraceLineAgainstSurfacesFindTextureOnNode(t, model, node, mid);
- if (t->trace->hittexture)
- return HULLCHECKSTATE_DONE;
- // recurse back side
- return Mod_Q1BSP_TraceLineAgainstSurfacesRecursiveBSPNode(t, model, node->children[side ^ 1], mid, p2);
- }
- leaf = (const mleaf_t *)node;
- side = Mod_Q1BSP_SuperContentsFromNativeContents(leaf->contents);
- if (!t->trace->startfound)
- {
- t->trace->startfound = true;
- t->trace->startsupercontents |= side;
- }
- if (side & SUPERCONTENTS_LIQUIDSMASK)
- t->trace->inwater = true;
- if (side == 0)
- t->trace->inopen = true;
- if (side & t->trace->hitsupercontentsmask)
- {
- // if the first leaf is solid, set startsolid
- if (t->trace->allsolid)
- t->trace->startsolid = true;
- return HULLCHECKSTATE_SOLID;
- }
- else
- {
- t->trace->allsolid = false;
- return HULLCHECKSTATE_EMPTY;
- }
- }
- static void Mod_Q1BSP_TraceLineAgainstSurfaces(struct model_s *model, const frameblend_t *frameblend, const skeleton_t *skeleton, trace_t *trace, const vec3_t start, const vec3_t end, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask)
- {
- RecursiveHullCheckTraceInfo_t rhc;
- memset(&rhc, 0, sizeof(rhc));
- memset(trace, 0, sizeof(trace_t));
- rhc.trace = trace;
- rhc.trace->hitsupercontentsmask = hitsupercontentsmask;
- rhc.trace->skipsupercontentsmask = skipsupercontentsmask;
- rhc.trace->skipmaterialflagsmask = skipmaterialflagsmask;
- rhc.trace->fraction = 1;
- rhc.trace->allsolid = true;
- rhc.hull = &model->brushq1.hulls[0]; // 0x0x0
- VectorCopy(start, rhc.start);
- VectorCopy(end, rhc.end);
- VectorSubtract(rhc.end, rhc.start, rhc.dist);
- Mod_Q1BSP_TraceLineAgainstSurfacesRecursiveBSPNode(&rhc, model, model->brush.data_nodes + rhc.hull->firstclipnode, rhc.start, rhc.end);
- VectorMA(rhc.start, rhc.trace->fraction, rhc.dist, rhc.trace->endpos);
- }
- static void Mod_Q1BSP_DecompressVis(const unsigned char *in, const unsigned char *inend, unsigned char *out, unsigned char *outend)
- {
- int c;
- unsigned char *outstart = out;
- while (out < outend)
- {
- if (in == inend)
- {
- Con_Printf("Mod_Q1BSP_DecompressVis: input underrun on model \"%s\" (decompressed %i of %i output bytes)\n", loadmodel->name, (int)(out - outstart), (int)(outend - outstart));
- return;
- }
- c = *in++;
- if (c)
- *out++ = c;
- else
- {
- if (in == inend)
- {
- Con_Printf("Mod_Q1BSP_DecompressVis: input underrun (during zero-run) on model \"%s\" (decompressed %i of %i output bytes)\n", loadmodel->name, (int)(out - outstart), (int)(outend - outstart));
- return;
- }
- for (c = *in++;c > 0;c--)
- {
- if (out == outend)
- {
- Con_Printf("Mod_Q1BSP_DecompressVis: output overrun on model \"%s\" (decompressed %i of %i output bytes)\n", loadmodel->name, (int)(out - outstart), (int)(outend - outstart));
- return;
- }
- *out++ = 0;
- }
- }
- }
- }
- /*
- =============
- R_Q1BSP_LoadSplitSky
- A sky texture is 256*128, with the right side being a masked overlay
- ==============
- */
- static void R_Q1BSP_LoadSplitSky (unsigned char *src, int width, int height, int bytesperpixel)
- {
- int x, y;
- int w = width/2;
- int h = height;
- unsigned int *solidpixels = (unsigned int *)Mem_Alloc(tempmempool, w*h*sizeof(unsigned char[4]));
- unsigned int *alphapixels = (unsigned int *)Mem_Alloc(tempmempool, w*h*sizeof(unsigned char[4]));
- // allocate a texture pool if we need it
- if (loadmodel->texturepool == NULL && cls.state != ca_dedicated)
- loadmodel->texturepool = R_AllocTexturePool();
- if (bytesperpixel == 4)
- {
- for (y = 0;y < h;y++)
- {
- for (x = 0;x < w;x++)
- {
- solidpixels[y*w+x] = ((unsigned *)src)[y*width+x+w];
- alphapixels[y*w+x] = ((unsigned *)src)[y*width+x];
- }
- }
- }
- else
- {
- // make an average value for the back to avoid
- // a fringe on the top level
- int p, r, g, b;
- union
- {
- unsigned int i;
- unsigned char b[4];
- }
- bgra;
- r = g = b = 0;
- for (y = 0;y < h;y++)
- {
- for (x = 0;x < w;x++)
- {
- p = src[x*width+y+w];
- r += palette_rgb[p][0];
- g += palette_rgb[p][1];
- b += palette_rgb[p][2];
- }
- }
- bgra.b[2] = r/(w*h);
- bgra.b[1] = g/(w*h);
- bgra.b[0] = b/(w*h);
- bgra.b[3] = 0;
- for (y = 0;y < h;y++)
- {
- for (x = 0;x < w;x++)
- {
- solidpixels[y*w+x] = palette_bgra_complete[src[y*width+x+w]];
- p = src[y*width+x];
- alphapixels[y*w+x] = p ? palette_bgra_complete[p] : bgra.i;
- }
- }
- }
- loadmodel->brush.solidskyskinframe = R_SkinFrame_LoadInternalBGRA("sky_solidtexture", 0 , (unsigned char *) solidpixels, w, h, vid.sRGB3D);
- loadmodel->brush.alphaskyskinframe = R_SkinFrame_LoadInternalBGRA("sky_alphatexture", TEXF_ALPHA, (unsigned char *) alphapixels, w, h, vid.sRGB3D);
- Mem_Free(solidpixels);
- Mem_Free(alphapixels);
- }
- static void Mod_Q1BSP_LoadTextures(sizebuf_t *sb)
- {
- int i, j, k, num, max, altmax, mtwidth, mtheight, doffset, incomplete, nummiptex = 0, firstskynoshadowtexture = 0;
- skinframe_t *skinframemissing;
- texture_t *tx, *tx2, *anims[10], *altanims[10], *currentskynoshadowtexture;
- texture_t backuptex;
- unsigned char *data, *mtdata;
- const char *s;
- char mapname[MAX_QPATH], name[MAX_QPATH];
- unsigned char zeroopaque[4], zerotrans[4];
- sizebuf_t miptexsb;
- char vabuf[1024];
- Vector4Set(zeroopaque, 0, 0, 0, 255);
- Vector4Set(zerotrans, 0, 0, 0, 128);
- loadmodel->data_textures = NULL;
- // add two slots for notexture walls and notexture liquids, and duplicate
- // all sky textures; sky surfaces can be shadow-casting or not, the surface
- // loading will choose according to the contents behind the surface
- // (necessary to support e1m5 logo shadow which has a SKY contents brush,
- // while correctly treating sky textures as occluders in other situations).
- if (sb->cursize)
- {
- int numsky = 0;
- size_t watermark;
- nummiptex = MSG_ReadLittleLong(sb);
- loadmodel->num_textures = nummiptex + 2;
- // save the position so we can go back to it
- watermark = sb->readcount;
- for (i = 0; i < nummiptex; i++)
- {
- doffset = MSG_ReadLittleLong(sb);
- if (r_nosurftextures.integer)
- continue;
- if (doffset == -1)
- {
- Con_DPrintf("%s: miptex #%i missing\n", loadmodel->name, i);
- continue;
- }
- MSG_InitReadBuffer(&miptexsb, sb->data + doffset, sb->cursize - doffset);
- // copy name, but only up to 16 characters
- // (the output buffer can hold more than this, but the input buffer is
- // only 16)
- for (j = 0; j < 16; j++)
- name[j] = MSG_ReadByte(&miptexsb);
- name[j] = 0;
- // pretty up the buffer (replacing any trailing garbage with 0)
- for (j = (int)strlen(name); j < 16; j++)
- name[j] = 0;
- if (!strncmp(name, "sky", 3))
- numsky++;
- }
- // bump it back to where we started parsing
- sb->readcount = watermark;
- firstskynoshadowtexture = loadmodel->num_textures;
- loadmodel->num_textures += numsky;
- }
- else
- {
- loadmodel->num_textures = 2;
- firstskynoshadowtexture = loadmodel->num_textures;
- }
- loadmodel->num_texturesperskin = loadmodel->num_textures;
- loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_textures * sizeof(texture_t));
- // we'll be writing to these in parallel for sky textures
- currentskynoshadowtexture = loadmodel->data_textures + firstskynoshadowtexture;
- // fill out all slots with notexture
- skinframemissing = R_SkinFrame_LoadMissing();
- for (i = 0, tx = loadmodel->data_textures;i < loadmodel->num_textures;i++, tx++)
- {
- strlcpy(tx->name, "NO TEXTURE FOUND", sizeof(tx->name));
- tx->width = 16;
- tx->height = 16;
- tx->basealpha = 1.0f;
- tx->materialshaderpass = tx->shaderpasses[0] = Mod_CreateShaderPass(skinframemissing);
- tx->materialshaderpass->skinframes[0] = skinframemissing;
- tx->currentskinframe = skinframemissing;
- tx->basematerialflags = MATERIALFLAG_WALL;
- if (i == loadmodel->num_textures - 1)
- {
- tx->basematerialflags |= MATERIALFLAG_WATERSCROLL | MATERIALFLAG_LIGHTBOTHSIDES | MATERIALFLAG_NOSHADOW;
- tx->supercontents = mod_q1bsp_texture_water.supercontents;
- tx->surfaceflags = mod_q1bsp_texture_water.surfaceflags;
- }
- else
- {
- tx->supercontents = mod_q1bsp_texture_solid.supercontents;
- tx->surfaceflags = mod_q1bsp_texture_solid.surfaceflags;
- }
- tx->currentframe = tx;
- // clear water settings
- tx->reflectmin = 0;
- tx->reflectmax = 1;
- tx->refractfactor = 1;
- Vector4Set(tx->refractcolor4f, 1, 1, 1, 1);
- tx->reflectfactor = 1;
- Vector4Set(tx->reflectcolor4f, 1, 1, 1, 1);
- tx->r_water_wateralpha = 1;
- tx->offsetmapping = OFFSETMAPPING_DEFAULT;
- tx->offsetscale = 1;
- tx->offsetbias = 0;
- tx->specularscalemod = 1;
- tx->specularpowermod = 1;
- tx->transparentsort = TRANSPARENTSORT_DISTANCE;
- // WHEN ADDING DEFAULTS HERE, REMEMBER TO PUT DEFAULTS IN ALL LOADERS
- // JUST GREP FOR "specularscalemod = 1".
- }
- if (!sb->cursize)
- {
- Con_Printf("%s: no miptex lump to load textures from\n", loadmodel->name);
- return;
- }
- s = loadmodel->name;
- if (!strncasecmp(s, "maps/", 5))
- s += 5;
- FS_StripExtension(s, mapname, sizeof(mapname));
- // LordHavoc: mostly rewritten map texture loader
- for (i = 0;i < nummiptex;i++)
- {
- doffset = MSG_ReadLittleLong(sb);
- if (r_nosurftextures.integer)
- continue;
- if (doffset == -1)
- {
- Con_DPrintf("%s: miptex #%i missing\n", loadmodel->name, i);
- continue;
- }
- MSG_InitReadBuffer(&miptexsb, sb->data + doffset, sb->cursize - doffset);
- // copy name, but only up to 16 characters
- // (the output buffer can hold more than this, but the input buffer is
- // only 16)
- for (j = 0;j < 16;j++)
- name[j] = MSG_ReadByte(&miptexsb);
- name[j] = 0;
- // pretty up the buffer (replacing any trailing garbage with 0)
- for (j = (int)strlen(name);j < 16;j++)
- name[j] = 0;
- if (!name[0])
- {
- dpsnprintf(name, sizeof(name), "unnamed%i", i);
- Con_DPrintf("%s: warning: renaming unnamed texture to %s\n", loadmodel->name, name);
- }
- mtwidth = MSG_ReadLittleLong(&miptexsb);
- mtheight = MSG_ReadLittleLong(&miptexsb);
- mtdata = NULL;
- j = MSG_ReadLittleLong(&miptexsb);
- if (j)
- {
- // texture included
- if (j < 40 || j + mtwidth * mtheight > miptexsb.cursize)
- {
- Con_Printf("%s: Texture \"%s\" is corrupt or incomplete\n", loadmodel->name, name);
- continue;
- }
- mtdata = miptexsb.data + j;
- }
- if ((mtwidth & 15) || (mtheight & 15))
- Con_DPrintf("%s: warning: texture \"%s\" is not 16 aligned\n", loadmodel->name, name);
- // LordHavoc: force all names to lowercase
- for (j = 0;name[j];j++)
- if (name[j] >= 'A' && name[j] <= 'Z')
- name[j] += 'a' - 'A';
- // LordHavoc: backup the texture_t because q3 shader loading overwrites it
- backuptex = loadmodel->data_textures[i];
- if (name[0] && Mod_LoadTextureFromQ3Shader(loadmodel->data_textures + i, name, false, false, 0))
- continue;
- loadmodel->data_textures[i] = backuptex;
- tx = loadmodel->data_textures + i;
- strlcpy(tx->name, name, sizeof(tx->name));
- tx->width = mtwidth;
- tx->height = mtheight;
- tx->basealpha = 1.0f;
- // start out with no animation
- tx->currentframe = tx;
- tx->currentskinframe = tx->materialshaderpass != NULL ? tx->materialshaderpass->skinframes[0] : NULL;
- if (tx->name[0] == '*')
- {
- if (!strncmp(tx->name, "*lava", 5))
- {
- tx->supercontents = mod_q1bsp_texture_lava.supercontents;
- tx->surfaceflags = mod_q1bsp_texture_lava.surfaceflags;
- }
- else if (!strncmp(tx->name, "*slime", 6))
- {
- tx->supercontents = mod_q1bsp_texture_slime.supercontents;
- tx->surfaceflags = mod_q1bsp_texture_slime.surfaceflags;
- }
- else
- {
- tx->supercontents = mod_q1bsp_texture_water.supercontents;
- tx->surfaceflags = mod_q1bsp_texture_water.surfaceflags;
- }
- }
- else if (!strncmp(tx->name, "sky", 3))
- {
- tx->supercontents = mod_q1bsp_texture_sky.supercontents;
- tx->surfaceflags = mod_q1bsp_texture_sky.surfaceflags;
- // for the surface traceline we need to hit this surface as a solid...
- tx->supercontents |= SUPERCONTENTS_SOLID;
- }
- else
- {
- tx->supercontents = mod_q1bsp_texture_solid.supercontents;
- tx->surfaceflags = mod_q1bsp_texture_solid.surfaceflags;
- }
- if (cls.state != ca_dedicated)
- {
- // LordHavoc: HL sky textures are entirely different than quake
- if (!loadmodel->brush.ishlbsp && !strncmp(tx->name, "sky", 3) && mtwidth == mtheight * 2)
- {
- data = loadimagepixelsbgra(gamemode == GAME_TENEBRAE ? tx->name : va(vabuf, sizeof(vabuf), "textures/%s/%s", mapname, tx->name), false, false, false, NULL);
- if (!data)
- data = loadimagepixelsbgra(gamemode == GAME_TENEBRAE ? tx->name : va(vabuf, sizeof(vabuf), "textures/%s", tx->name), false, false, false, NULL);
- if (data && image_width == image_height * 2)
- {
- R_Q1BSP_LoadSplitSky(data, image_width, image_height, 4);
- Mem_Free(data);
- }
- else if (mtdata != NULL)
- R_Q1BSP_LoadSplitSky(mtdata, mtwidth, mtheight, 1);
- }
- else
- {
- skinframe_t *skinframe = R_SkinFrame_LoadExternal(gamemode == GAME_TENEBRAE ? tx->name : va(vabuf, sizeof(vabuf), "textures/%s/%s", mapname, tx->name), TEXF_ALPHA | TEXF_MIPMAP | TEXF_ISWORLD | TEXF_PICMIP | TEXF_COMPRESS, false);
- if (!skinframe)
- skinframe = R_SkinFrame_LoadExternal(gamemode == GAME_TENEBRAE ? tx->name : va(vabuf, sizeof(vabuf), "textures/%s", tx->name), TEXF_ALPHA | TEXF_MIPMAP | TEXF_ISWORLD | TEXF_PICMIP | TEXF_COMPRESS, false);
- if (skinframe)
- tx->offsetmapping = OFFSETMAPPING_DEFAULT; // allow offsetmapping on external textures without a q3 shader
- if (!skinframe)
- {
- // did not find external texture, load it from the bsp or wad3
- if (loadmodel->brush.ishlbsp)
- {
- // internal texture overrides wad
- unsigned char *pixels, *freepixels;
- pixels = freepixels = NULL;
- if (mtdata)
- pixels = W_ConvertWAD3TextureBGRA(&miptexsb);
- if (pixels == NULL)
- pixels = freepixels = W_GetTextureBGRA(tx->name);
- if (pixels != NULL)
- {
- tx->width = image_width;
- tx->height = image_height;
- skinframe = R_SkinFrame_LoadInternalBGRA(tx->name, TEXF_ALPHA | TEXF_MIPMAP | TEXF_ISWORLD | TEXF_PICMIP, pixels, image_width, image_height, true);
- }
- if (freepixels)
- Mem_Free(freepixels);
- }
- else if (mtdata) // texture included
- skinframe = R_SkinFrame_LoadInternalQuake(tx->name, TEXF_MIPMAP | TEXF_ISWORLD | TEXF_PICMIP, false, r_fullbrights.integer, mtdata, tx->width, tx->height);
- }
- // if skinframe is still NULL the "missing" texture has already been assigned to this
- if (skinframe)
- tx->materialshaderpass->skinframes[0] = skinframe;
- }
- // LordHavoc: some Tenebrae textures get replaced by black
- if (!strncmp(tx->name, "*glassmirror", 12)) // Tenebrae
- tx->materialshaderpass->skinframes[0] = R_SkinFrame_LoadInternalBGRA(tx->name, TEXF_MIPMAP | TEXF_ALPHA, zerotrans, 1, 1, false);
- else if (!strncmp(tx->name, "mirror", 6)) // Tenebrae
- tx->materialshaderpass->skinframes[0] = R_SkinFrame_LoadInternalBGRA(tx->name, 0, zeroopaque, 1, 1, false);
- tx->currentskinframe = tx->materialshaderpass->skinframes[0];
- }
- tx->basematerialflags = MATERIALFLAG_WALL;
- if (tx->name[0] == '*')
- {
- // LordHavoc: some turbulent textures should not be affected by wateralpha
- if (!strncmp(tx->name, "*glassmirror", 12)) // Tenebrae
- tx->basematerialflags |= MATERIALFLAG_NOSHADOW | MATERIALFLAG_ADD | MATERIALFLAG_BLENDED | MATERIALFLAG_REFLECTION;
- else if (!strncmp(tx->name,"*lava",5)
- || !strncmp(tx->name,"*teleport",9)
- || !strncmp(tx->name,"*rift",5)) // Scourge of Armagon texture
- tx->basematerialflags |= MATERIALFLAG_WATERSCROLL | MATERIALFLAG_LIGHTBOTHSIDES | MATERIALFLAG_NOSHADOW;
- else
- tx->basematerialflags |= MATERIALFLAG_WATERSCROLL | MATERIALFLAG_LIGHTBOTHSIDES | MATERIALFLAG_NOSHADOW | MATERIALFLAG_WATERALPHA | MATERIALFLAG_WATERSHADER;
- if (tx->currentskinframe != NULL && tx->currentskinframe->hasalpha)
- tx->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
- }
- else if (tx->name[0] == '{') // fence textures
- {
- tx->basematerialflags |= MATERIALFLAG_ALPHATEST | MATERIALFLAG_NOSHADOW;
- }
- else if (!strncmp(tx->name, "mirror", 6)) // Tenebrae
- {
- // replace the texture with black
- tx->basematerialflags |= MATERIALFLAG_REFLECTION;
- }
- else if (!strncmp(tx->name, "sky", 3))
- tx->basematerialflags = MATERIALFLAG_SKY;
- else if (!strcmp(tx->name, "caulk"))
- tx->basematerialflags = MATERIALFLAG_NODRAW | MATERIALFLAG_NOSHADOW;
- else if (tx->currentskinframe != NULL && tx->currentskinframe->hasalpha)
- tx->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
- tx->currentmaterialflags = tx->basematerialflags;
- // duplicate of sky with NOSHADOW
- if (tx->basematerialflags & MATERIALFLAG_SKY)
- {
- *currentskynoshadowtexture = *tx;
- currentskynoshadowtexture->basematerialflags |= MATERIALFLAG_NOSHADOW;
- tx->skynoshadowtexture = currentskynoshadowtexture;
- currentskynoshadowtexture++;
- }
- }
- // sequence the animations
- for (i = 0;i < nummiptex;i++)
- {
- tx = loadmodel->data_textures + i;
- if (!tx || tx->name[0] != '+' || tx->name[1] == 0 || tx->name[2] == 0)
- continue;
- num = tx->name[1];
- if ((num < '0' || num > '9') && (num < 'a' || num > 'j'))
- {
- Con_Printf("Bad animating texture %s\n", tx->name);
- continue;
- }
- if (tx->anim_total[0] || tx->anim_total[1])
- continue; // already sequenced
- // find the number of frames in the animation
- memset(anims, 0, sizeof(anims));
- memset(altanims, 0, sizeof(altanims));
- for (j = i;j < nummiptex;j++)
- {
- tx2 = loadmodel->data_textures + j;
- if (!tx2 || tx2->name[0] != '+' || strcmp(tx2->name+2, tx->name+2))
- continue;
- num = tx2->name[1];
- if (num >= '0' && num <= '9')
- anims[num - '0'] = tx2;
- else if (num >= 'a' && num <= 'j')
- altanims[num - 'a'] = tx2;
- // No need to warn otherwise - we already did above.
- }
- max = altmax = 0;
- for (j = 0;j < 10;j++)
- {
- if (anims[j])
- max = j + 1;
- if (altanims[j])
- altmax = j + 1;
- }
- //Con_Printf("linking animation %s (%i:%i frames)\n\n", tx->name, max, altmax);
- incomplete = false;
- for (j = 0;j < max;j++)
- {
- if (!anims[j])
- {
- Con_Printf("Missing frame %i of %s\n", j, tx->name);
- incomplete = true;
- }
- }
- for (j = 0;j < altmax;j++)
- {
- if (!altanims[j])
- {
- Con_Printf("Missing altframe %i of %s\n", j, tx->name);
- incomplete = true;
- }
- }
- if (incomplete)
- continue;
- // If we have exactly one frame, something's wrong.
- if (max + altmax <= 1)
- {
- Con_Printf("Texture %s is animated (leading +) but has only one frame\n", tx->name);
- }
- if (altmax < 1)
- {
- // if there is no alternate animation, duplicate the primary
- // animation into the alternate
- altmax = max;
- for (k = 0;k < 10;k++)
- altanims[k] = anims[k];
- }
- if (max < 1)
- {
- // Warn.
- Con_Printf("Missing frame 0 of %s\n", tx->name);
- // however, we can handle this by duplicating the alternate animation into the primary
- max = altmax;
- for (k = 0;k < 10;k++)
- anims[k] = altanims[k];
- }
- // link together the primary animation
- for (j = 0;j < max;j++)
- {
- tx2 = anims[j];
- tx2->animated = 1; // q1bsp
- tx2->anim_total[0] = max;
- tx2->anim_total[1] = altmax;
- for (k = 0;k < 10;k++)
- {
- tx2->anim_frames[0][k] = anims[k];
- tx2->anim_frames[1][k] = altanims[k];
- }
- }
- // if there really is an alternate anim...
- if (anims[0] != altanims[0])
- {
- // link together the alternate animation
- for (j = 0;j < altmax;j++)
- {
- tx2 = altanims[j];
- tx2->animated = 1; // q1bsp
- // the primary/alternate are reversed here
- tx2->anim_total[0] = altmax;
- tx2->anim_total[1] = max;
- for (k = 0;k < 10;k++)
- {
- tx2->anim_frames[0][k] = altanims[k];
- tx2->anim_frames[1][k] = anims[k];
- }
- }
- }
- }
- }
- static void Mod_Q1BSP_LoadLighting(sizebuf_t *sb)
- {
- int i;
- unsigned char *in, *out, *data, d;
- char litfilename[MAX_QPATH];
- char dlitfilename[MAX_QPATH];
- fs_offset_t filesize;
- if (loadmodel->brush.ishlbsp) // LordHavoc: load the colored lighting data straight
- {
- loadmodel->brushq1.lightdata = (unsigned char *)Mem_Alloc(loadmodel->mempool, sb->cursize);
- for (i = 0;i < sb->cursize;i++)
- loadmodel->brushq1.lightdata[i] = sb->data[i] >>= 1;
- }
- else // LordHavoc: bsp version 29 (normal white lighting)
- {
- // LordHavoc: hope is not lost yet, check for a .lit file to load
- strlcpy (litfilename, loadmodel->name, sizeof (litfilename));
- FS_StripExtension (litfilename, litfilename, sizeof (litfilename));
- strlcpy (dlitfilename, litfilename, sizeof (dlitfilename));
- strlcat (litfilename, ".lit", sizeof (litfilename));
- strlcat (dlitfilename, ".dlit", sizeof (dlitfilename));
- data = (unsigned char*) FS_LoadFile(litfilename, tempmempool, false, &filesize);
- if (data)
- {
- if (filesize == (fs_offset_t)(8 + sb->cursize * 3) && data[0] == 'Q' && data[1] == 'L' && data[2] == 'I' && data[3] == 'T')
- {
- i = LittleLong(((int *)data)[1]);
- if (i == 1)
- {
- if (developer_loading.integer)
- Con_Printf("loaded %s\n", litfilename);
- loadmodel->brushq1.lightdata = (unsigned char *)Mem_Alloc(loadmodel->mempool, filesize - 8);
- memcpy(loadmodel->brushq1.lightdata, data + 8, filesize - 8);
- Mem_Free(data);
- data = (unsigned char*) FS_LoadFile(dlitfilename, tempmempool, false, &filesize);
- if (data)
- {
- if (filesize == (fs_offset_t)(8 + sb->cursize * 3) && data[0] == 'Q' && data[1] == 'L' && data[2] == 'I' && data[3] == 'T')
- {
- i = LittleLong(((int *)data)[1]);
- if (i == 1)
- {
- if (developer_loading.integer)
- Con_Printf("loaded %s\n", dlitfilename);
- loadmodel->brushq1.nmaplightdata = (unsigned char *)Mem_Alloc(loadmodel->mempool, filesize - 8);
- memcpy(loadmodel->brushq1.nmaplightdata, data + 8, filesize - 8);
- loadmodel->brushq3.deluxemapping_modelspace = false;
- loadmodel->brushq3.deluxemapping = true;
- }
- }
- Mem_Free(data);
- data = NULL;
- }
- return;
- }
- else
- Con_Printf("Unknown .lit file version (%d)\n", i);
- }
- else if (filesize == 8)
- Con_Print("Empty .lit file, ignoring\n");
- else
- Con_Printf("Corrupt .lit file (file size %i bytes, should be %i bytes), ignoring\n", (int) filesize, (int) (8 + sb->cursize * 3));
- if (data)
- {
- Mem_Free(data);
- data = NULL;
- }
- }
- // LordHavoc: oh well, expand the white lighting data
- if (!sb->cursize)
- return;
- loadmodel->brushq1.lightdata = (unsigned char *)Mem_Alloc(loadmodel->mempool, sb->cursize*3);
- in = sb->data;
- out = loadmodel->brushq1.lightdata;
- for (i = 0;i < sb->cursize;i++)
- {
- d = *in++;
- *out++ = d;
- *out++ = d;
- *out++ = d;
- }
- }
- }
- static void Mod_Q1BSP_LoadVisibility(sizebuf_t *sb)
- {
- loadmodel->brushq1.num_compressedpvs = 0;
- loadmodel->brushq1.data_compressedpvs = NULL;
- if (!sb->cursize)
- return;
- loadmodel->brushq1.num_compressedpvs = sb->cursize;
- loadmodel->brushq1.data_compressedpvs = (unsigned char *)Mem_Alloc(loadmodel->mempool, sb->cursize);
- MSG_ReadBytes(sb, sb->cursize, loadmodel->brushq1.data_compressedpvs);
- }
- // used only for HalfLife maps
- static void Mod_Q1BSP_ParseWadsFromEntityLump(const char *data)
- {
- char key[128], value[4096];
- int i, j, k;
- if (!data)
- return;
- if (!COM_ParseToken_Simple(&data, false, false, true))
- return; // error
- if (com_token[0] != '{')
- return; // error
- while (1)
- {
- if (!COM_ParseToken_Simple(&data, false, false, true))
- return; // error
- if (com_token[0] == '}')
- break; // end of worldspawn
- if (com_token[0] == '_')
- strlcpy(key, com_token + 1, sizeof(key));
- else
- strlcpy(key, com_token, sizeof(key));
- while (key[strlen(key)-1] == ' ') // remove trailing spaces
- key[strlen(key)-1] = 0;
- if (!COM_ParseToken_Simple(&data, false, false, true))
- return; // error
- dpsnprintf(value, sizeof(value), "%s", com_token);
- if (!strcmp("wad", key)) // for HalfLife maps
- {
- if (loadmodel->brush.ishlbsp)
- {
- j = 0;
- for (i = 0;i < (int)sizeof(value);i++)
- if (value[i] != ';' && value[i] != '\\' && value[i] != '/' && value[i] != ':')
- break;
- if (i < (int)sizeof(value) && value[i])
- {
- for (;i < (int)sizeof(value);i++)
- {
- // ignore path - the \\ check is for HalfLife... stupid windoze 'programmers'...
- if (value[i] == '\\' || value[i] == '/' || value[i] == ':')
- j = i+1;
- else if (value[i] == ';' || value[i] == 0)
- {
- k = value[i];
- value[i] = 0;
- W_LoadTextureWadFile(&value[j], false);
- j = i+1;
- if (!k)
- break;
- }
- }
- }
- }
- }
- }
- }
- static void Mod_Q1BSP_LoadEntities(sizebuf_t *sb)
- {
- loadmodel->brush.entities = NULL;
- if (!sb->cursize)
- return;
- loadmodel->brush.entities = (char *)Mem_Alloc(loadmodel->mempool, sb->cursize + 1);
- MSG_ReadBytes(sb, sb->cursize, (unsigned char *)loadmodel->brush.entities);
- loadmodel->brush.entities[sb->cursize] = 0;
- if (loadmodel->brush.ishlbsp)
- Mod_Q1BSP_ParseWadsFromEntityLump(loadmodel->brush.entities);
- }
- static void Mod_Q1BSP_LoadVertexes(sizebuf_t *sb)
- {
- mvertex_t *out;
- int i, count;
- int structsize = 12;
- if (sb->cursize % structsize)
- Host_Error("Mod_Q1BSP_LoadVertexes: funny lump size in %s",loadmodel->name);
- count = sb->cursize / structsize;
- out = (mvertex_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
- loadmodel->brushq1.vertexes = out;
- loadmodel->brushq1.numvertexes = count;
- for ( i=0 ; i<count ; i++, out++)
- {
- out->position[0] = MSG_ReadLittleFloat(sb);
- out->position[1] = MSG_ReadLittleFloat(sb);
- out->position[2] = MSG_ReadLittleFloat(sb);
- }
- }
- static void Mod_Q1BSP_LoadSubmodels(sizebuf_t *sb, hullinfo_t *hullinfo)
- {
- mmodel_t *out;
- int i, j, count;
- int structsize = (48+4*hullinfo->filehulls);
- if (sb->cursize % structsize)
- Host_Error ("Mod_Q1BSP_LoadSubmodels: funny lump size in %s", loadmodel->name);
- count = sb->cursize / structsize;
- out = (mmodel_t *)Mem_Alloc (loadmodel->mempool, count*sizeof(*out));
- loadmodel->brushq1.submodels = out;
- loadmodel->brush.numsubmodels = count;
- for (i = 0; i < count; i++, out++)
- {
- // spread out the mins / maxs by a pixel
- out->mins[0] = MSG_ReadLittleFloat(sb) - 1;
- out->mins[1] = MSG_ReadLittleFloat(sb) - 1;
- out->mins[2] = MSG_ReadLittleFloat(sb) - 1;
- out->maxs[0] = MSG_ReadLittleFloat(sb) + 1;
- out->maxs[1] = MSG_ReadLittleFloat(sb) + 1;
- out->maxs[2] = MSG_ReadLittleFloat(sb) + 1;
- out->origin[0] = MSG_ReadLittleFloat(sb);
- out->origin[1] = MSG_ReadLittleFloat(sb);
- out->origin[2] = MSG_ReadLittleFloat(sb);
- for (j = 0; j < hullinfo->filehulls; j++)
- out->headnode[j] = MSG_ReadLittleLong(sb);
- out->visleafs = MSG_ReadLittleLong(sb);
- out->firstface = MSG_ReadLittleLong(sb);
- out->numfaces = MSG_ReadLittleLong(sb);
- }
- }
- static void Mod_Q1BSP_LoadEdges(sizebuf_t *sb)
- {
- medge_t *out;
- int i, count;
- int structsize = loadmodel->brush.isbsp2 ? 8 : 4;
- if (sb->cursize % structsize)
- Host_Error("Mod_Q1BSP_LoadEdges: funny lump size in %s",loadmodel->name);
- count = sb->cursize / structsize;
- out = (medge_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- loadmodel->brushq1.edges = out;
- loadmodel->brushq1.numedges = count;
- for ( i=0 ; i<count ; i++, out++)
- {
- if (loadmodel->brush.isbsp2)
- {
- out->v[0] = (unsigned int)MSG_ReadLittleLong(sb);
- out->v[1] = (unsigned int)MSG_ReadLittleLong(sb);
- }
- else
- {
- out->v[0] = (unsigned short)MSG_ReadLittleShort(sb);
- out->v[1] = (unsigned short)MSG_ReadLittleShort(sb);
- }
- if ((int)out->v[0] >= loadmodel->brushq1.numvertexes || (int)out->v[1] >= loadmodel->brushq1.numvertexes)
- {
- Con_Printf("Mod_Q1BSP_LoadEdges: %s has invalid vertex indices in edge %i (vertices %i %i >= numvertices %i)\n", loadmodel->name, i, out->v[0], out->v[1], loadmodel->brushq1.numvertexes);
- if(!loadmodel->brushq1.numvertexes)
- Host_Error("Mod_Q1BSP_LoadEdges: %s has edges but no vertexes, cannot fix\n", loadmodel->name);
-
- out->v[0] = 0;
- out->v[1] = 0;
- }
- }
- }
- static void Mod_Q1BSP_LoadTexinfo(sizebuf_t *sb)
- {
- mtexinfo_t *out;
- int i, j, k, count, miptex;
- int structsize = 40;
- if (sb->cursize % structsize)
- Host_Error("Mod_Q1BSP_LoadTexinfo: funny lump size in %s",loadmodel->name);
- count = sb->cursize / structsize;
- out = (mtexinfo_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- loadmodel->brushq1.texinfo = out;
- loadmodel->brushq1.numtexinfo = count;
- for (i = 0;i < count;i++, out++)
- {
- for (k = 0;k < 2;k++)
- for (j = 0;j < 4;j++)
- out->vecs[k][j] = MSG_ReadLittleFloat(sb);
- miptex = MSG_ReadLittleLong(sb);
- out->q1flags = MSG_ReadLittleLong(sb);
- if (out->q1flags & TEX_SPECIAL)
- {
- // if texture chosen is NULL or the shader needs a lightmap,
- // force to notexture water shader
- out->textureindex = loadmodel->num_textures - 1;
- }
- else
- {
- // if texture chosen is NULL, force to notexture
- out->textureindex = loadmodel->num_textures - 2;
- }
- // see if the specified miptex is valid and try to use it instead
- if (loadmodel->data_textures)
- {
- if ((unsigned int) miptex >= (unsigned int) loadmodel->num_textures)
- Con_Printf("error in model \"%s\": invalid miptex index %i(of %i)\n", loadmodel->name, miptex, loadmodel->num_textures);
- else
- out->textureindex = miptex;
- }
- }
- }
- #if 0
- void BoundPoly(int numverts, float *verts, vec3_t mins, vec3_t maxs)
- {
- int i, j;
- float *v;
- mins[0] = mins[1] = mins[2] = 9999;
- maxs[0] = maxs[1] = maxs[2] = -9999;
- v = verts;
- for (i = 0;i < numverts;i++)
- {
- for (j = 0;j < 3;j++, v++)
- {
- if (*v < mins[j])
- mins[j] = *v;
- if (*v > maxs[j])
- maxs[j] = *v;
- }
- }
- }
- #define MAX_SUBDIVPOLYTRIANGLES 4096
- #define MAX_SUBDIVPOLYVERTS(MAX_SUBDIVPOLYTRIANGLES * 3)
- static int subdivpolyverts, subdivpolytriangles;
- static int subdivpolyindex[MAX_SUBDIVPOLYTRIANGLES][3];
- static float subdivpolyvert[MAX_SUBDIVPOLYVERTS][3];
- static int subdivpolylookupvert(vec3_t v)
- {
- int i;
- for (i = 0;i < subdivpolyverts;i++)
- if (subdivpolyvert[i][0] == v[0]
- && subdivpolyvert[i][1] == v[1]
- && subdivpolyvert[i][2] == v[2])
- return i;
- if (subdivpolyverts >= MAX_SUBDIVPOLYVERTS)
- Host_Error("SubDividePolygon: ran out of vertices in buffer, please increase your r_subdivide_size");
- VectorCopy(v, subdivpolyvert[subdivpolyverts]);
- return subdivpolyverts++;
- }
- static void SubdividePolygon(int numverts, float *verts)
- {
- int i, i1, i2, i3, f, b, c, p;
- vec3_t mins, maxs, front[256], back[256];
- float m, *pv, *cv, dist[256], frac;
- if (numverts > 250)
- Host_Error("SubdividePolygon: ran out of verts in buffer");
- BoundPoly(numverts, verts, mins, maxs);
- for (i = 0;i < 3;i++)
- {
- m = (mins[i] + maxs[i]) * 0.5;
- m = r_subdivide_size.value * floor(m/r_subdivide_size.value + 0.5);
- if (maxs[i] - m < 8)
- continue;
- if (m - mins[i] < 8)
- continue;
- // cut it
- for (cv = verts, c = 0;c < numverts;c++, cv += 3)
- dist[c] = cv[i] - m;
- f = b = 0;
- for (p = numverts - 1, c = 0, pv = verts + p * 3, cv = verts;c < numverts;p = c, c++, pv = cv, cv += 3)
- {
- if (dist[p] >= 0)
- {
- VectorCopy(pv, front[f]);
- f++;
- }
- if (dist[p] <= 0)
- {
- VectorCopy(pv, back[b]);
- b++;
- }
- if (dist[p] == 0 || dist[c] == 0)
- continue;
- if ((dist[p] > 0) != (dist[c] > 0) )
- {
- // clip point
- frac = dist[p] / (dist[p] - dist[c]);
- front[f][0] = back[b][0] = pv[0] + frac * (cv[0] - pv[0]);
- front[f][1] = back[b][1] = pv[1] + frac * (cv[1] - pv[1]);
- front[f][2] = back[b][2] = pv[2] + frac * (cv[2] - pv[2]);
- f++;
- b++;
- }
- }
- SubdividePolygon(f, front[0]);
- SubdividePolygon(b, back[0]);
- return;
- }
- i1 = subdivpolylookupvert(verts);
- i2 = subdivpolylookupvert(verts + 3);
- for (i = 2;i < numverts;i++)
- {
- if (subdivpolytriangles >= MAX_SUBDIVPOLYTRIANGLES)
- {
- Con_Print("SubdividePolygon: ran out of triangles in buffer, please increase your r_subdivide_size\n");
- return;
- }
- i3 = subdivpolylookupvert(verts + i * 3);
- subdivpolyindex[subdivpolytriangles][0] = i1;
- subdivpolyindex[subdivpolytriangles][1] = i2;
- subdivpolyindex[subdivpolytriangles][2] = i3;
- i2 = i3;
- subdivpolytriangles++;
- }
- }
- //Breaks a polygon up along axial 64 unit
- //boundaries so that turbulent and sky warps
- //can be done reasonably.
- static void Mod_Q1BSP_GenerateWarpMesh(msurface_t *surface)
- {
- int i, j;
- surfvertex_t *v;
- surfmesh_t *mesh;
- subdivpolytriangles = 0;
- subdivpolyverts = 0;
- SubdividePolygon(surface->num_vertices, (surface->mesh->data_vertex3f + 3 * surface->num_firstvertex));
- if (subdivpolytriangles < 1)
- Host_Error("Mod_Q1BSP_GenerateWarpMesh: no triangles?");
- surface->mesh = mesh = Mem_Alloc(loadmodel->mempool, sizeof(surfmesh_t) + subdivpolytriangles * sizeof(int[3]) + subdivpolyverts * sizeof(surfvertex_t));
- mesh->num_vertices = subdivpolyverts;
- mesh->num_triangles = subdivpolytriangles;
- mesh->vertex = (surfvertex_t *)(mesh + 1);
- mesh->index = (int *)(mesh->vertex + mesh->num_vertices);
- memset(mesh->vertex, 0, mesh->num_vertices * sizeof(surfvertex_t));
- for (i = 0;i < mesh->num_triangles;i++)
- for (j = 0;j < 3;j++)
- mesh->index[i*3+j] = subdivpolyindex[i][j];
- for (i = 0, v = mesh->vertex;i < subdivpolyverts;i++, v++)
- {
- VectorCopy(subdivpolyvert[i], v->v);
- v->st[0] = DotProduct(v->v, surface->lightmapinfo->texinfo->vecs[0]);
- v->st[1] = DotProduct(v->v, surface->lightmapinfo->texinfo->vecs[1]);
- }
- }
- #endif
- extern cvar_t gl_max_lightmapsize;
- static void Mod_Q1BSP_LoadFaces(sizebuf_t *sb)
- {
- msurface_t *surface;
- int i, j, count, surfacenum, planenum, smax, tmax, ssize, tsize, firstedge, numedges, totalverts, totaltris, lightmapnumber, lightmapsize, totallightmapsamples, lightmapoffset, texinfoindex;
- float texmins[2], texmaxs[2], val;
- rtexture_t *lightmaptexture, *deluxemaptexture;
- char vabuf[1024];
- int structsize = loadmodel->brush.isbsp2 ? 28 : 20;
- if (sb->cursize % structsize)
- Host_Error("Mod_Q1BSP_LoadFaces: funny lump size in %s",loadmodel->name);
- count = sb->cursize / structsize;
- loadmodel->data_surfaces = (msurface_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(msurface_t));
- loadmodel->data_surfaces_lightmapinfo = (msurface_lightmapinfo_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(msurface_lightmapinfo_t));
- loadmodel->num_surfaces = count;
- loadmodel->brushq1.firstrender = true;
- loadmodel->brushq1.lightmapupdateflags = (unsigned char *)Mem_Alloc(loadmodel->mempool, count*sizeof(unsigned char));
- totalverts = 0;
- totaltris = 0;
- for (surfacenum = 0;surfacenum < count;surfacenum++)
- {
- if (loadmodel->brush.isbsp2)
- numedges = BuffLittleLong(sb->data + structsize * surfacenum + 12);
- else
- numedges = BuffLittleShort(sb->data + structsize * surfacenum + 8);
- totalverts += numedges;
- totaltris += numedges - 2;
- }
- Mod_AllocSurfMesh(loadmodel->mempool, totalverts, totaltris, true, false, false);
- lightmaptexture = NULL;
- deluxemaptexture = r_texture_blanknormalmap;
- lightmapnumber = 0;
- lightmapsize = bound(256, gl_max_lightmapsize.integer, (int)vid.maxtexturesize_2d);
- totallightmapsamples = 0;
- totalverts = 0;
- totaltris = 0;
- for (surfacenum = 0, surface = loadmodel->data_surfaces;surfacenum < count;surfacenum++, surface++)
- {
- surface->lightmapinfo = loadmodel->data_surfaces_lightmapinfo + surfacenum;
- // the struct on disk is the same in BSP29 (Q1), BSP30 (HL1), and IBSP38 (Q2)
- planenum = loadmodel->brush.isbsp2 ? MSG_ReadLittleLong(sb) : (unsigned short)MSG_ReadLittleShort(sb);
- /*side = */loadmodel->brush.isbsp2 ? MSG_ReadLittleLong(sb) : (unsigned short)MSG_ReadLittleShort(sb);
- firstedge = MSG_ReadLittleLong(sb);
- numedges = loadmodel->brush.isbsp2 ? MSG_ReadLittleLong(sb) : (unsigned short)MSG_ReadLittleShort(sb);
- texinfoindex = loadmodel->brush.isbsp2 ? MSG_ReadLittleLong(sb) : (unsigned short)MSG_ReadLittleShort(sb);
- for (i = 0;i < MAXLIGHTMAPS;i++)
- surface->lightmapinfo->styles[i] = MSG_ReadByte(sb);
- lightmapoffset = MSG_ReadLittleLong(sb);
- // FIXME: validate edges, texinfo, etc?
- if ((unsigned int) firstedge > (unsigned int) loadmodel->brushq1.numsurfedges || (unsigned int) numedges > (unsigned int) loadmodel->brushq1.numsurfedges || (unsigned int) firstedge + (unsigned int) numedges > (unsigned int) loadmodel->brushq1.numsurfedges)
- Host_Error("Mod_Q1BSP_LoadFaces: invalid edge range (firstedge %i, numedges %i, model edges %i)", firstedge, numedges, loadmodel->brushq1.numsurfedges);
- if ((unsigned int) texinfoindex >= (unsigned int) loadmodel->brushq1.numtexinfo)
- Host_Error("Mod_Q1BSP_LoadFaces: invalid texinfo index %i(model has %i texinfos)", texinfoindex, loadmodel->brushq1.numtexinfo);
- if ((unsigned int) planenum >= (unsigned int) loadmodel->brush.num_planes)
- Host_Error("Mod_Q1BSP_LoadFaces: invalid plane index %i (model has %i planes)", planenum, loadmodel->brush.num_planes);
- surface->lightmapinfo->texinfo = loadmodel->brushq1.texinfo + texinfoindex;
- surface->texture = loadmodel->data_textures + surface->lightmapinfo->texinfo->textureindex;
- // Q2BSP doesn't use lightmaps on sky or warped surfaces (water), but still has a lightofs of 0
- if (lightmapoffset == 0 && (surface->texture->q2flags & (Q2SURF_SKY | Q2SURF_WARP)))
- lightmapoffset = -1;
- //surface->flags = surface->texture->flags;
- //if (LittleShort(in->side))
- // surface->flags |= SURF_PLANEBACK;
- //surface->plane = loadmodel->brush.data_planes + planenum;
- surface->num_firstvertex = totalverts;
- surface->num_vertices = numedges;
- surface->num_firsttriangle = totaltris;
- surface->num_triangles = numedges - 2;
- totalverts += numedges;
- totaltris += numedges - 2;
- // convert edges back to a normal polygon
- for (i = 0;i < surface->num_vertices;i++)
- {
- int lindex = loadmodel->brushq1.surfedges[firstedge + i];
- float s, t;
- // note: the q1bsp format does not allow a 0 surfedge (it would have no negative counterpart)
- if (lindex >= 0)
- VectorCopy(loadmodel->brushq1.vertexes[loadmodel->brushq1.edges[lindex].v[0]].position, (loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex) + i * 3);
- else
- VectorCopy(loadmodel->brushq1.vertexes[loadmodel->brushq1.edges[-lindex].v[1]].position, (loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex) + i * 3);
- s = DotProduct(((loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex) + i * 3), surface->lightmapinfo->texinfo->vecs[0]) + surface->lightmapinfo->texinfo->vecs[0][3];
- t = DotProduct(((loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex) + i * 3), surface->lightmapinfo->texinfo->vecs[1]) + surface->lightmapinfo->texinfo->vecs[1][3];
- (loadmodel->surfmesh.data_texcoordtexture2f + 2 * surface->num_firstvertex)[i * 2 + 0] = s / surface->texture->width;
- (loadmodel->surfmesh.data_texcoordtexture2f + 2 * surface->num_firstvertex)[i * 2 + 1] = t / surface->texture->height;
- (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 0] = 0;
- (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 1] = 0;
- (loadmodel->surfmesh.data_lightmapoffsets + surface->num_firstvertex)[i] = 0;
- }
- for (i = 0;i < surface->num_triangles;i++)
- {
- (loadmodel->surfmesh.data_element3i + 3 * surface->num_firsttriangle)[i * 3 + 0] = 0 + surface->num_firstvertex;
- (loadmodel->surfmesh.data_element3i + 3 * surface->num_firsttriangle)[i * 3 + 1] = i + 1 + surface->num_firstvertex;
- (loadmodel->surfmesh.data_element3i + 3 * surface->num_firsttriangle)[i * 3 + 2] = i + 2 + surface->num_firstvertex;
- }
- // compile additional data about the surface geometry
- Mod_BuildNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, loadmodel->surfmesh.data_vertex3f, (loadmodel->surfmesh.data_element3i + 3 * surface->num_firsttriangle), loadmodel->surfmesh.data_normal3f, r_smoothnormals_areaweighting.integer != 0);
- Mod_BuildTextureVectorsFromNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_texcoordtexture2f, loadmodel->surfmesh.data_normal3f, (loadmodel->surfmesh.data_element3i + 3 * surface->num_firsttriangle), loadmodel->surfmesh.data_svector3f, loadmodel->surfmesh.data_tvector3f, r_smoothnormals_areaweighting.integer != 0);
- BoxFromPoints(surface->mins, surface->maxs, surface->num_vertices, (loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex));
- // generate surface extents information
- texmins[0] = texmaxs[0] = DotProduct((loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex), surface->lightmapinfo->texinfo->vecs[0]) + surface->lightmapinfo->texinfo->vecs[0][3];
- texmins[1] = texmaxs[1] = DotProduct((loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex), surface->lightmapinfo->texinfo->vecs[1]) + surface->lightmapinfo->texinfo->vecs[1][3];
- for (i = 1;i < surface->num_vertices;i++)
- {
- for (j = 0;j < 2;j++)
- {
- val = DotProduct((loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex) + i * 3, surface->lightmapinfo->texinfo->vecs[j]) + surface->lightmapinfo->texinfo->vecs[j][3];
- texmins[j] = min(texmins[j], val);
- texmaxs[j] = max(texmaxs[j], val);
- }
- }
- for (i = 0;i < 2;i++)
- {
- surface->lightmapinfo->texturemins[i] = (int) floor(texmins[i] / 16.0) * 16;
- surface->lightmapinfo->extents[i] = (int) ceil(texmaxs[i] / 16.0) * 16 - surface->lightmapinfo->texturemins[i];
- }
- smax = surface->lightmapinfo->extents[0] >> 4;
- tmax = surface->lightmapinfo->extents[1] >> 4;
- ssize = (surface->lightmapinfo->extents[0] >> 4) + 1;
- tsize = (surface->lightmapinfo->extents[1] >> 4) + 1;
- // lighting info
- surface->lightmaptexture = NULL;
- surface->deluxemaptexture = r_texture_blanknormalmap;
- if (lightmapoffset == -1)
- {
- surface->lightmapinfo->samples = NULL;
- #if 1
- // give non-lightmapped water a 1x white lightmap
- if (!loadmodel->brush.isq2bsp && surface->texture->name[0] == '*' && (surface->lightmapinfo->texinfo->q1flags & TEX_SPECIAL) && ssize <= 256 && tsize <= 256)
- {
- surface->lightmapinfo->samples = (unsigned char *)Mem_Alloc(loadmodel->mempool, ssize * tsize * 3);
- surface->lightmapinfo->styles[0] = 0;
- memset(surface->lightmapinfo->samples, 128, ssize * tsize * 3);
- }
- #endif
- }
- else if (loadmodel->brush.ishlbsp || loadmodel->brush.isq2bsp) // LordHavoc: HalfLife map (bsp version 30)
- surface->lightmapinfo->samples = loadmodel->brushq1.lightdata + lightmapoffset;
- else // LordHavoc: white lighting (bsp version 29)
- {
- surface->lightmapinfo->samples = loadmodel->brushq1.lightdata + (lightmapoffset * 3);
- if (loadmodel->brushq1.nmaplightdata)
- surface->lightmapinfo->nmapsamples = loadmodel->brushq1.nmaplightdata + (lightmapoffset * 3);
- }
- // check if we should apply a lightmap to this
- if (!(surface->lightmapinfo->texinfo->q1flags & TEX_SPECIAL) || surface->lightmapinfo->samples)
- {
- if (ssize > 256 || tsize > 256)
- Host_Error("Bad surface extents");
- if (lightmapsize < ssize)
- lightmapsize = ssize;
- if (lightmapsize < tsize)
- lightmapsize = tsize;
- totallightmapsamples += ssize*tsize;
- // force lightmap upload on first time seeing the surface
- //
- // additionally this is used by the later code to see if a
- // lightmap is needed on this surface (rather than duplicating the
- // logic above)
- loadmodel->brushq1.lightmapupdateflags[surfacenum] = true;
- loadmodel->lit = true;
- }
- }
- // small maps (such as ammo boxes especially) don't need big lightmap
- // textures, so this code tries to guess a good size based on
- // totallightmapsamples (size of the lightmaps lump basically), as well as
- // trying to max out the size if there is a lot of lightmap data to store
- // additionally, never choose a lightmapsize that is smaller than the
- // largest surface encountered (as it would fail)
- i = lightmapsize;
- for (lightmapsize = 64; (lightmapsize < i) && (lightmapsize < bound(128, gl_max_lightmapsize.integer, (int)vid.maxtexturesize_2d)) && (totallightmapsamples > lightmapsize*lightmapsize); lightmapsize*=2)
- ;
- // now that we've decided the lightmap texture size, we can do the rest
- if (cls.state != ca_dedicated)
- {
- int stainmapsize = 0;
- mod_alloclightmap_state_t allocState;
- Mod_AllocLightmap_Init(&allocState, loadmodel->mempool, lightmapsize, lightmapsize);
- for (surfacenum = 0, surface = loadmodel->data_surfaces;surfacenum < count;surfacenum++, surface++)
- {
- int iu, iv, lightmapx = 0, lightmapy = 0;
- float u, v, ubase, vbase, uscale, vscale;
- if (!loadmodel->brushq1.lightmapupdateflags[surfacenum])
- continue;
- smax = surface->lightmapinfo->extents[0] >> 4;
- tmax = surface->lightmapinfo->extents[1] >> 4;
- ssize = (surface->lightmapinfo->extents[0] >> 4) + 1;
- tsize = (surface->lightmapinfo->extents[1] >> 4) + 1;
- stainmapsize += ssize * tsize * 3;
- if (!lightmaptexture || !Mod_AllocLightmap_Block(&allocState, ssize, tsize, &lightmapx, &lightmapy))
- {
- // allocate a texture pool if we need it
- if (loadmodel->texturepool == NULL)
- loadmodel->texturepool = R_AllocTexturePool();
- // could not find room, make a new lightmap
- loadmodel->brushq3.num_mergedlightmaps = lightmapnumber + 1;
- loadmodel->brushq3.data_lightmaps = (rtexture_t **)Mem_Realloc(loadmodel->mempool, loadmodel->brushq3.data_lightmaps, loadmodel->brushq3.num_mergedlightmaps * sizeof(loadmodel->brushq3.data_lightmaps[0]));
- loadmodel->brushq3.data_deluxemaps = (rtexture_t **)Mem_Realloc(loadmodel->mempool, loadmodel->brushq3.data_deluxemaps, loadmodel->brushq3.num_mergedlightmaps * sizeof(loadmodel->brushq3.data_deluxemaps[0]));
- loadmodel->brushq3.data_lightmaps[lightmapnumber] = lightmaptexture = R_LoadTexture2D(loadmodel->texturepool, va(vabuf, sizeof(vabuf), "lightmap%i", lightmapnumber), lightmapsize, lightmapsize, NULL, TEXTYPE_BGRA, TEXF_FORCELINEAR | TEXF_ALLOWUPDATES, -1, NULL);
- if (loadmodel->brushq1.nmaplightdata)
- loadmodel->brushq3.data_deluxemaps[lightmapnumber] = deluxemaptexture = R_LoadTexture2D(loadmodel->texturepool, va(vabuf, sizeof(vabuf), "deluxemap%i", lightmapnumber), lightmapsize, lightmapsize, NULL, TEXTYPE_BGRA, TEXF_FORCELINEAR | TEXF_ALLOWUPDATES, -1, NULL);
- lightmapnumber++;
- Mod_AllocLightmap_Reset(&allocState);
- Mod_AllocLightmap_Block(&allocState, ssize, tsize, &lightmapx, &lightmapy);
- }
- surface->lightmaptexture = lightmaptexture;
- surface->deluxemaptexture = deluxemaptexture;
- surface->lightmapinfo->lightmaporigin[0] = lightmapx;
- surface->lightmapinfo->lightmaporigin[1] = lightmapy;
- uscale = 1.0f / (float)lightmapsize;
- vscale = 1.0f / (float)lightmapsize;
- ubase = lightmapx * uscale;
- vbase = lightmapy * vscale;
- for (i = 0;i < surface->num_vertices;i++)
- {
- u = ((DotProduct(((loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex) + i * 3), surface->lightmapinfo->texinfo->vecs[0]) + surface->lightmapinfo->texinfo->vecs[0][3]) + 8 - surface->lightmapinfo->texturemins[0]) * (1.0 / 16.0);
- v = ((DotProduct(((loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex) + i * 3), surface->lightmapinfo->texinfo->vecs[1]) + surface->lightmapinfo->texinfo->vecs[1][3]) + 8 - surface->lightmapinfo->texturemins[1]) * (1.0 / 16.0);
- (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 0] = u * uscale + ubase;
- (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 1] = v * vscale + vbase;
- // LordHavoc: calc lightmap data offset for vertex lighting to use
- iu = (int) u;
- iv = (int) v;
- (loadmodel->surfmesh.data_lightmapoffsets + surface->num_firstvertex)[i] = (bound(0, iv, tmax) * ssize + bound(0, iu, smax)) * 3;
- }
- }
- if (cl_stainmaps.integer)
- {
- // allocate stainmaps for permanent marks on walls and clear white
- unsigned char *stainsamples = NULL;
- stainsamples = (unsigned char *)Mem_Alloc(loadmodel->mempool, stainmapsize);
- memset(stainsamples, 255, stainmapsize);
- // assign pointers
- for (surfacenum = 0, surface = loadmodel->data_surfaces;surfacenum < count;surfacenum++, surface++)
- {
- if (!loadmodel->brushq1.lightmapupdateflags[surfacenum])
- continue;
- ssize = (surface->lightmapinfo->extents[0] >> 4) + 1;
- tsize = (surface->lightmapinfo->extents[1] >> 4) + 1;
- surface->lightmapinfo->stainsamples = stainsamples;
- stainsamples += ssize * tsize * 3;
- }
- }
- }
- // generate ushort elements array if possible
- if (loadmodel->surfmesh.data_element3s)
- for (i = 0;i < loadmodel->surfmesh.num_triangles*3;i++)
- loadmodel->surfmesh.data_element3s[i] = loadmodel->surfmesh.data_element3i[i];
- }
- static void Mod_Q1BSP_LoadNodes_RecursiveSetParent(mnode_t *node, mnode_t *parent)
- {
- //if (node->parent)
- // Host_Error("Mod_Q1BSP_LoadNodes_RecursiveSetParent: runaway recursion");
- node->parent = parent;
- if (node->plane)
- {
- // this is a node, recurse to children
- Mod_Q1BSP_LoadNodes_RecursiveSetParent(node->children[0], node);
- Mod_Q1BSP_LoadNodes_RecursiveSetParent(node->children[1], node);
- // combine supercontents of children
- node->combinedsupercontents = node->children[0]->combinedsupercontents | node->children[1]->combinedsupercontents;
- }
- else
- {
- int j;
- mleaf_t *leaf = (mleaf_t *)node;
- // if this is a leaf, calculate supercontents mask from all collidable
- // primitives in the leaf (brushes and collision surfaces)
- // also flag if the leaf contains any collision surfaces
- leaf->combinedsupercontents = 0;
- // combine the supercontents values of all brushes in this leaf
- for (j = 0;j < leaf->numleafbrushes;j++)
- leaf->combinedsupercontents |= loadmodel->brush.data_brushes[leaf->firstleafbrush[j]].texture->supercontents;
- // check if this leaf contains any collision surfaces (q3 patches)
- for (j = 0;j < leaf->numleafsurfaces;j++)
- {
- msurface_t *surface = loadmodel->data_surfaces + leaf->firstleafsurface[j];
- if (surface->num_collisiontriangles)
- {
- leaf->containscollisionsurfaces = true;
- leaf->combinedsupercontents |= surface->texture->supercontents;
- }
- }
- }
- }
- static void Mod_Q1BSP_LoadNodes(sizebuf_t *sb)
- {
- int i, j, count, p, child[2];
- mnode_t *out;
- int structsize = loadmodel->brush.isbsp2rmqe ? 32 : (loadmodel->brush.isbsp2 ? 44 : 24);
- if (sb->cursize % structsize)
- Host_Error("Mod_Q1BSP_LoadNodes: funny lump size in %s",loadmodel->name);
- count = sb->cursize / structsize;
- if (count == 0)
- Host_Error("Mod_Q1BSP_LoadNodes: missing BSP tree in %s",loadmodel->name);
- out = (mnode_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
- loadmodel->brush.data_nodes = out;
- loadmodel->brush.num_nodes = count;
- for ( i=0 ; i<count ; i++, out++)
- {
- p = MSG_ReadLittleLong(sb);
- out->plane = loadmodel->brush.data_planes + p;
- if (loadmodel->brush.isbsp2rmqe)
- {
- child[0] = MSG_ReadLittleLong(sb);
- child[1] = MSG_ReadLittleLong(sb);
- out->mins[0] = MSG_ReadLittleShort(sb);
- out->mins[1] = MSG_ReadLittleShort(sb);
- out->mins[2] = MSG_ReadLittleShort(sb);
- out->maxs[0] = MSG_ReadLittleShort(sb);
- out->maxs[1] = MSG_ReadLittleShort(sb);
- out->maxs[2] = MSG_ReadLittleShort(sb);
- out->firstsurface = MSG_ReadLittleLong(sb);
- out->numsurfaces = MSG_ReadLittleLong(sb);
- }
- else if (loadmodel->brush.isbsp2)
- {
- child[0] = MSG_ReadLittleLong(sb);
- child[1] = MSG_ReadLittleLong(sb);
- out->mins[0] = MSG_ReadLittleFloat(sb);
- out->mins[1] = MSG_ReadLittleFloat(sb);
- out->mins[2] = MSG_ReadLittleFloat(sb);
- out->maxs[0] = MSG_ReadLittleFloat(sb);
- out->maxs[1] = MSG_ReadLittleFloat(sb);
- out->maxs[2] = MSG_ReadLittleFloat(sb);
- out->firstsurface = MSG_ReadLittleLong(sb);
- out->numsurfaces = MSG_ReadLittleLong(sb);
- }
- else
- {
- child[0] = (unsigned short)MSG_ReadLittleShort(sb);
- child[1] = (unsigned short)MSG_ReadLittleShort(sb);
- if (child[0] >= count)
- child[0] -= 65536;
- if (child[1] >= count)
- child[1] -= 65536;
- out->mins[0] = MSG_ReadLittleShort(sb);
- out->mins[1] = MSG_ReadLittleShort(sb);
- out->mins[2] = MSG_ReadLittleShort(sb);
- out->maxs[0] = MSG_ReadLittleShort(sb);
- out->maxs[1] = MSG_ReadLittleShort(sb);
- out->maxs[2] = MSG_ReadLittleShort(sb);
- out->firstsurface = (unsigned short)MSG_ReadLittleShort(sb);
- out->numsurfaces = (unsigned short)MSG_ReadLittleShort(sb);
- }
- for (j=0 ; j<2 ; j++)
- {
- // LordHavoc: this code supports broken bsp files produced by
- // arguire qbsp which can produce more than 32768 nodes, any value
- // below count is assumed to be a node number, any other value is
- // assumed to be a leaf number
- p = child[j];
- if (p >= 0)
- {
- if (p < loadmodel->brush.num_nodes)
- out->children[j] = loadmodel->brush.data_nodes + p;
- else
- {
- Con_Printf("Mod_Q1BSP_LoadNodes: invalid node index %i (file has only %i nodes)\n", p, loadmodel->brush.num_nodes);
- // map it to the solid leaf
- out->children[j] = (mnode_t *)loadmodel->brush.data_leafs;
- }
- }
- else
- {
- // get leaf index as a positive value starting at 0 (-1 becomes 0, -2 becomes 1, etc)
- p = -(p+1);
- if (p < loadmodel->brush.num_leafs)
- out->children[j] = (mnode_t *)(loadmodel->brush.data_leafs + p);
- else
- {
- Con_Printf("Mod_Q1BSP_LoadNodes: invalid leaf index %i (file has only %i leafs)\n", p, loadmodel->brush.num_leafs);
- // map it to the solid leaf
- out->children[j] = (mnode_t *)loadmodel->brush.data_leafs;
- }
- }
- }
- }
- Mod_Q1BSP_LoadNodes_RecursiveSetParent(loadmodel->brush.data_nodes, NULL); // sets nodes and leafs
- }
- static void Mod_Q1BSP_LoadLeafs(sizebuf_t *sb)
- {
- mleaf_t *out;
- int i, j, count, p, firstmarksurface, nummarksurfaces;
- int structsize = loadmodel->brush.isbsp2rmqe ? 32 : (loadmodel->brush.isbsp2 ? 44 : 28);
- if (sb->cursize % structsize)
- Host_Error("Mod_Q1BSP_LoadLeafs: funny lump size in %s",loadmodel->name);
- count = sb->cursize / structsize;
- out = (mleaf_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
- loadmodel->brush.data_leafs = out;
- loadmodel->brush.num_leafs = count;
- // get visleafs from the submodel data
- loadmodel->brush.num_pvsclusters = loadmodel->brushq1.submodels[0].visleafs;
- loadmodel->brush.num_pvsclusterbytes = (loadmodel->brush.num_pvsclusters+7)>>3;
- loadmodel->brush.data_pvsclusters = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_pvsclusters * loadmodel->brush.num_pvsclusterbytes);
- memset(loadmodel->brush.data_pvsclusters, 0xFF, loadmodel->brush.num_pvsclusters * loadmodel->brush.num_pvsclusterbytes);
- // FIXME: this function could really benefit from some error checking
- for ( i=0 ; i<count ; i++, out++)
- {
- out->contents = MSG_ReadLittleLong(sb);
- out->clusterindex = i - 1;
- if (out->clusterindex >= loadmodel->brush.num_pvsclusters)
- out->clusterindex = -1;
- p = MSG_ReadLittleLong(sb);
- // ignore visofs errors on leaf 0 (solid)
- if (p >= 0 && out->clusterindex >= 0)
- {
- if (p >= loadmodel->brushq1.num_compressedpvs)
- Con_Print("Mod_Q1BSP_LoadLeafs: invalid visofs\n");
- else
- Mod_Q1BSP_DecompressVis(loadmodel->brushq1.data_compressedpvs + p, loadmodel->brushq1.data_compressedpvs + loadmodel->brushq1.num_compressedpvs, loadmodel->brush.data_pvsclusters + out->clusterindex * loadmodel->brush.num_pvsclusterbytes, loadmodel->brush.data_pvsclusters + (out->clusterindex + 1) * loadmodel->brush.num_pvsclusterbytes);
- }
- if (loadmodel->brush.isbsp2rmqe)
- {
- out->mins[0] = MSG_ReadLittleShort(sb);
- out->mins[1] = MSG_ReadLittleShort(sb);
- out->mins[2] = MSG_ReadLittleShort(sb);
- out->maxs[0] = MSG_ReadLittleShort(sb);
- out->maxs[1] = MSG_ReadLittleShort(sb);
- out->maxs[2] = MSG_ReadLittleShort(sb);
-
- firstmarksurface = MSG_ReadLittleLong(sb);
- nummarksurfaces = MSG_ReadLittleLong(sb);
- }
- else if (loadmodel->brush.isbsp2)
- {
- out->mins[0] = MSG_ReadLittleFloat(sb);
- out->mins[1] = MSG_ReadLittleFloat(sb);
- out->mins[2] = MSG_ReadLittleFloat(sb);
- out->maxs[0] = MSG_ReadLittleFloat(sb);
- out->maxs[1] = MSG_ReadLittleFloat(sb);
- out->maxs[2] = MSG_ReadLittleFloat(sb);
-
- firstmarksurface = MSG_ReadLittleLong(sb);
- nummarksurfaces = MSG_ReadLittleLong(sb);
- }
- else
- {
- out->mins[0] = MSG_ReadLittleShort(sb);
- out->mins[1] = MSG_ReadLittleShort(sb);
- out->mins[2] = MSG_ReadLittleShort(sb);
- out->maxs[0] = MSG_ReadLittleShort(sb);
- out->maxs[1] = MSG_ReadLittleShort(sb);
- out->maxs[2] = MSG_ReadLittleShort(sb);
-
- firstmarksurface = (unsigned short)MSG_ReadLittleShort(sb);
- nummarksurfaces = (unsigned short)MSG_ReadLittleShort(sb);
- }
- if (firstmarksurface >= 0 && firstmarksurface + nummarksurfaces <= loadmodel->brush.num_leafsurfaces)
- {
- out->firstleafsurface = loadmodel->brush.data_leafsurfaces + firstmarksurface;
- out->numleafsurfaces = nummarksurfaces;
- }
- else
- {
- Con_Printf("Mod_Q1BSP_LoadLeafs: invalid leafsurface range %i:%i outside range %i:%i\n", firstmarksurface, firstmarksurface+nummarksurfaces, 0, loadmodel->brush.num_leafsurfaces);
- out->firstleafsurface = NULL;
- out->numleafsurfaces = 0;
- }
- for (j = 0;j < 4;j++)
- out->ambient_sound_level[j] = MSG_ReadByte(sb);
- }
- }
- static qboolean Mod_Q1BSP_CheckWaterAlphaSupport(void)
- {
- int i, j;
- mleaf_t *leaf;
- const unsigned char *pvs;
- // if there's no vis data, assume supported (because everything is visible all the time)
- if (!loadmodel->brush.data_pvsclusters)
- return true;
- // check all liquid leafs to see if they can see into empty leafs, if any
- // can we can assume this map supports r_wateralpha
- for (i = 0, leaf = loadmodel->brush.data_leafs;i < loadmodel->brush.num_leafs;i++, leaf++)
- {
- if ((leaf->contents == CONTENTS_WATER || leaf->contents == CONTENTS_SLIME) && leaf->clusterindex >= 0)
- {
- pvs = loadmodel->brush.data_pvsclusters + leaf->clusterindex * loadmodel->brush.num_pvsclusterbytes;
- for (j = 0;j < loadmodel->brush.num_leafs;j++)
- if (CHECKPVSBIT(pvs, loadmodel->brush.data_leafs[j].clusterindex) && loadmodel->brush.data_leafs[j].contents == CONTENTS_EMPTY)
- return true;
- }
- }
- return false;
- }
- static void Mod_Q1BSP_LoadClipnodes(sizebuf_t *sb, hullinfo_t *hullinfo)
- {
- mclipnode_t *out;
- int i, count;
- hull_t *hull;
- int structsize = loadmodel->brush.isbsp2 ? 12 : 8;
- if (sb->cursize % structsize)
- Host_Error("Mod_Q1BSP_LoadClipnodes: funny lump size in %s",loadmodel->name);
- count = sb->cursize / structsize;
- out = (mclipnode_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
- loadmodel->brushq1.clipnodes = out;
- loadmodel->brushq1.numclipnodes = count;
- for (i = 1; i < MAX_MAP_HULLS; i++)
- {
- hull = &loadmodel->brushq1.hulls[i];
- hull->clipnodes = out;
- hull->firstclipnode = 0;
- hull->lastclipnode = count-1;
- hull->planes = loadmodel->brush.data_planes;
- hull->clip_mins[0] = hullinfo->hullsizes[i][0][0];
- hull->clip_mins[1] = hullinfo->hullsizes[i][0][1];
- hull->clip_mins[2] = hullinfo->hullsizes[i][0][2];
- hull->clip_maxs[0] = hullinfo->hullsizes[i][1][0];
- hull->clip_maxs[1] = hullinfo->hullsizes[i][1][1];
- hull->clip_maxs[2] = hullinfo->hullsizes[i][1][2];
- VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
- }
- for (i=0 ; i<count ; i++, out++)
- {
- out->planenum = MSG_ReadLittleLong(sb);
- if (out->planenum < 0 || out->planenum >= loadmodel->brush.num_planes)
- Host_Error("%s: Corrupt clipping hull(out of range planenum)", loadmodel->name);
- if (loadmodel->brush.isbsp2)
- {
- out->children[0] = MSG_ReadLittleLong(sb);
- out->children[1] = MSG_ReadLittleLong(sb);
- if (out->children[0] >= count)
- Host_Error("%s: Corrupt clipping hull (invalid child index)", loadmodel->name);
- if (out->children[1] >= count)
- Host_Error("%s: Corrupt clipping hull (invalid child index)", loadmodel->name);
- }
- else
- {
- // LordHavoc: this code supports arguire qbsp's broken clipnodes indices (more than 32768 clipnodes), values above count are assumed to be contents values
- out->children[0] = (unsigned short)MSG_ReadLittleShort(sb);
- out->children[1] = (unsigned short)MSG_ReadLittleShort(sb);
- if (out->children[0] >= count)
- out->children[0] -= 65536;
- if (out->children[1] >= count)
- out->children[1] -= 65536;
- }
- }
- }
- //Duplicate the drawing hull structure as a clipping hull
- static void Mod_Q1BSP_MakeHull0(void)
- {
- mnode_t *in;
- mclipnode_t *out;
- int i;
- hull_t *hull;
- hull = &loadmodel->brushq1.hulls[0];
- in = loadmodel->brush.data_nodes;
- out = (mclipnode_t *)Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_nodes * sizeof(*out));
- hull->clipnodes = out;
- hull->firstclipnode = 0;
- hull->lastclipnode = loadmodel->brush.num_nodes - 1;
- hull->planes = loadmodel->brush.data_planes;
- for (i = 0;i < loadmodel->brush.num_nodes;i++, out++, in++)
- {
- out->planenum = in->plane - loadmodel->brush.data_planes;
- out->children[0] = in->children[0]->plane ? in->children[0] - loadmodel->brush.data_nodes : ((mleaf_t *)in->children[0])->contents;
- out->children[1] = in->children[1]->plane ? in->children[1] - loadmodel->brush.data_nodes : ((mleaf_t *)in->children[1])->contents;
- }
- }
- static void Mod_Q1BSP_LoadLeaffaces(sizebuf_t *sb)
- {
- int i, j;
- int structsize = loadmodel->brush.isbsp2 ? 4 : 2;
- if (sb->cursize % structsize)
- Host_Error("Mod_Q1BSP_LoadLeaffaces: funny lump size in %s",loadmodel->name);
- loadmodel->brush.num_leafsurfaces = sb->cursize / structsize;
- loadmodel->brush.data_leafsurfaces = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_leafsurfaces * sizeof(int));
- if (loadmodel->brush.isbsp2)
- {
- for (i = 0;i < loadmodel->brush.num_leafsurfaces;i++)
- {
- j = MSG_ReadLittleLong(sb);
- if (j < 0 || j >= loadmodel->num_surfaces)
- Host_Error("Mod_Q1BSP_LoadLeaffaces: bad surface number");
- loadmodel->brush.data_leafsurfaces[i] = j;
- }
- }
- else
- {
- for (i = 0;i < loadmodel->brush.num_leafsurfaces;i++)
- {
- j = (unsigned short) MSG_ReadLittleShort(sb);
- if (j >= loadmodel->num_surfaces)
- Host_Error("Mod_Q1BSP_LoadLeaffaces: bad surface number");
- loadmodel->brush.data_leafsurfaces[i] = j;
- }
- }
- }
- static void Mod_Q1BSP_LoadSurfedges(sizebuf_t *sb)
- {
- int i;
- int structsize = 4;
- if (sb->cursize % structsize)
- Host_Error("Mod_Q1BSP_LoadSurfedges: funny lump size in %s",loadmodel->name);
- loadmodel->brushq1.numsurfedges = sb->cursize / structsize;
- loadmodel->brushq1.surfedges = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->brushq1.numsurfedges * sizeof(int));
- for (i = 0;i < loadmodel->brushq1.numsurfedges;i++)
- loadmodel->brushq1.surfedges[i] = MSG_ReadLittleLong(sb);
- }
- static void Mod_Q1BSP_LoadPlanes(sizebuf_t *sb)
- {
- int i;
- mplane_t *out;
- int structsize = 20;
- if (sb->cursize % structsize)
- Host_Error("Mod_Q1BSP_LoadPlanes: funny lump size in %s", loadmodel->name);
- loadmodel->brush.num_planes = sb->cursize / structsize;
- loadmodel->brush.data_planes = out = (mplane_t *)Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_planes * sizeof(*out));
- for (i = 0;i < loadmodel->brush.num_planes;i++, out++)
- {
- out->normal[0] = MSG_ReadLittleFloat(sb);
- out->normal[1] = MSG_ReadLittleFloat(sb);
- out->normal[2] = MSG_ReadLittleFloat(sb);
- out->dist = MSG_ReadLittleFloat(sb);
- MSG_ReadLittleLong(sb); // type is not used, we use PlaneClassify
- PlaneClassify(out);
- }
- }
- // fixes up sky surfaces that have SKY contents behind them, so that they do not cast shadows (e1m5 logo shadow trick).
- static void Mod_Q1BSP_AssignNoShadowSkySurfaces(dp_model_t *mod)
- {
- int i;
- msurface_t *surface;
- vec3_t center;
- int contents;
- for (i = 0, surface = mod->data_surfaces + mod->firstmodelsurface; i < mod->nummodelsurfaces; i++, surface++)
- {
- if (surface->texture->basematerialflags & MATERIALFLAG_SKY)
- {
- // check if the point behind the surface polygon is SOLID or SKY contents
- VectorMAMAM(0.5f, surface->mins, 0.5f, surface->maxs, -0.25f, mod->surfmesh.data_normal3f + 3*surface->num_firstvertex, center);
- contents = Mod_Q1BSP_PointSuperContents(mod, 0, center);
- if (!(contents & SUPERCONTENTS_SOLID))
- surface->texture = surface->texture->skynoshadowtexture;
- }
- }
- }
- static void Mod_Q1BSP_LoadMapBrushes(void)
- {
- #if 0
- // unfinished
- int submodel, numbrushes;
- qboolean firstbrush;
- char *text, *maptext;
- char mapfilename[MAX_QPATH];
- FS_StripExtension (loadmodel->name, mapfilename, sizeof (mapfilename));
- strlcat (mapfilename, ".map", sizeof (mapfilename));
- maptext = (unsigned char*) FS_LoadFile(mapfilename, tempmempool, false, NULL);
- if (!maptext)
- return;
- text = maptext;
- if (!COM_ParseToken_Simple(&data, false, false, true))
- return; // error
- submodel = 0;
- for (;;)
- {
- if (!COM_ParseToken_Simple(&data, false, false, true))
- break;
- if (com_token[0] != '{')
- return; // error
- // entity
- firstbrush = true;
- numbrushes = 0;
- maxbrushes = 256;
- brushes = Mem_Alloc(loadmodel->mempool, maxbrushes * sizeof(mbrush_t));
- for (;;)
- {
- if (!COM_ParseToken_Simple(&data, false, false, true))
- return; // error
- if (com_token[0] == '}')
- break; // end of entity
- if (com_token[0] == '{')
- {
- // brush
- if (firstbrush)
- {
- if (submodel)
- {
- if (submodel > loadmodel->brush.numsubmodels)
- {
- Con_Printf("Mod_Q1BSP_LoadMapBrushes: .map has more submodels than .bsp!\n");
- model = NULL;
- }
- else
- model = loadmodel->brush.submodels[submodel];
- }
- else
- model = loadmodel;
- }
- for (;;)
- {
- if (!COM_ParseToken_Simple(&data, false, false, true))
- return; // error
- if (com_token[0] == '}')
- break; // end of brush
- // each brush face should be this format:
- // ( x y z ) ( x y z ) ( x y z ) texture scroll_s scroll_t rotateangle scale_s scale_t
- // FIXME: support hl .map format
- for (pointnum = 0;pointnum < 3;pointnum++)
- {
- COM_ParseToken_Simple(&data, false, false, true);
- for (componentnum = 0;componentnum < 3;componentnum++)
- {
- COM_ParseToken_Simple(&data, false, false, true);
- point[pointnum][componentnum] = atof(com_token);
- }
- COM_ParseToken_Simple(&data, false, false, true);
- }
- COM_ParseToken_Simple(&data, false, false, true);
- strlcpy(facetexture, com_token, sizeof(facetexture));
- COM_ParseToken_Simple(&data, false, false, true);
- //scroll_s = atof(com_token);
- COM_ParseToken_Simple(&data, false, false, true);
- //scroll_t = atof(com_token);
- COM_ParseToken_Simple(&data, false, false, true);
- //rotate = atof(com_token);
- COM_ParseToken_Simple(&data, false, false, true);
- //scale_s = atof(com_token);
- COM_ParseToken_Simple(&data, false, false, true);
- //scale_t = atof(com_token);
- TriangleNormal(point[0], point[1], point[2], planenormal);
- VectorNormalizeDouble(planenormal);
- planedist = DotProduct(point[0], planenormal);
- //ChooseTexturePlane(planenormal, texturevector[0], texturevector[1]);
- }
- continue;
- }
- }
- }
- #endif
- }
- #define MAX_PORTALPOINTS 64
- typedef struct portal_s
- {
- mplane_t plane;
- mnode_t *nodes[2]; // [0] = front side of plane
- struct portal_s *next[2];
- int numpoints;
- double points[3*MAX_PORTALPOINTS];
- struct portal_s *chain; // all portals are linked into a list
- }
- portal_t;
- static memexpandablearray_t portalarray;
- static void Mod_Q1BSP_RecursiveRecalcNodeBBox(mnode_t *node)
- {
- // process only nodes (leafs already had their box calculated)
- if (!node->plane)
- return;
- // calculate children first
- Mod_Q1BSP_RecursiveRecalcNodeBBox(node->children[0]);
- Mod_Q1BSP_RecursiveRecalcNodeBBox(node->children[1]);
- // make combined bounding box from children
- node->mins[0] = min(node->children[0]->mins[0], node->children[1]->mins[0]);
- node->mins[1] = min(node->children[0]->mins[1], node->children[1]->mins[1]);
- node->mins[2] = min(node->children[0]->mins[2], node->children[1]->mins[2]);
- node->maxs[0] = max(node->children[0]->maxs[0], node->children[1]->maxs[0]);
- node->maxs[1] = max(node->children[0]->maxs[1], node->children[1]->maxs[1]);
- node->maxs[2] = max(node->children[0]->maxs[2], node->children[1]->maxs[2]);
- }
- static void Mod_Q1BSP_FinalizePortals(void)
- {
- int i, j, numportals, numpoints, portalindex, portalrange = (int)Mem_ExpandableArray_IndexRange(&portalarray);
- portal_t *p;
- mportal_t *portal;
- mvertex_t *point;
- mleaf_t *leaf, *endleaf;
- // tally up portal and point counts and recalculate bounding boxes for all
- // leafs (because qbsp is very sloppy)
- leaf = loadmodel->brush.data_leafs;
- endleaf = leaf + loadmodel->brush.num_leafs;
- if (mod_recalculatenodeboxes.integer)
- {
- for (;leaf < endleaf;leaf++)
- {
- VectorSet(leaf->mins, 2000000000, 2000000000, 2000000000);
- VectorSet(leaf->maxs, -2000000000, -2000000000, -2000000000);
- }
- }
- numportals = 0;
- numpoints = 0;
- for (portalindex = 0;portalindex < portalrange;portalindex++)
- {
- p = (portal_t*)Mem_ExpandableArray_RecordAtIndex(&portalarray, portalindex);
- if (!p)
- continue;
- // note: this check must match the one below or it will usually corrupt memory
- // the nodes[0] != nodes[1] check is because leaf 0 is the shared solid leaf, it can have many portals inside with leaf 0 on both sides
- if (p->numpoints >= 3 && p->nodes[0] != p->nodes[1] && ((mleaf_t *)p->nodes[0])->clusterindex >= 0 && ((mleaf_t *)p->nodes[1])->clusterindex >= 0)
- {
- numportals += 2;
- numpoints += p->numpoints * 2;
- }
- }
- loadmodel->brush.data_portals = (mportal_t *)Mem_Alloc(loadmodel->mempool, numportals * sizeof(mportal_t) + numpoints * sizeof(mvertex_t));
- loadmodel->brush.num_portals = numportals;
- loadmodel->brush.data_portalpoints = (mvertex_t *)((unsigned char *) loadmodel->brush.data_portals + numportals * sizeof(mportal_t));
- loadmodel->brush.num_portalpoints = numpoints;
- // clear all leaf portal chains
- for (i = 0;i < loadmodel->brush.num_leafs;i++)
- loadmodel->brush.data_leafs[i].portals = NULL;
- // process all portals in the global portal chain, while freeing them
- portal = loadmodel->brush.data_portals;
- point = loadmodel->brush.data_portalpoints;
- for (portalindex = 0;portalindex < portalrange;portalindex++)
- {
- p = (portal_t*)Mem_ExpandableArray_RecordAtIndex(&portalarray, portalindex);
- if (!p)
- continue;
- if (p->numpoints >= 3 && p->nodes[0] != p->nodes[1])
- {
- // note: this check must match the one above or it will usually corrupt memory
- // the nodes[0] != nodes[1] check is because leaf 0 is the shared solid leaf, it can have many portals inside with leaf 0 on both sides
- if (((mleaf_t *)p->nodes[0])->clusterindex >= 0 && ((mleaf_t *)p->nodes[1])->clusterindex >= 0)
- {
- // first make the back to front portal(forward portal)
- portal->points = point;
- portal->numpoints = p->numpoints;
- portal->plane.dist = p->plane.dist;
- VectorCopy(p->plane.normal, portal->plane.normal);
- portal->here = (mleaf_t *)p->nodes[1];
- portal->past = (mleaf_t *)p->nodes[0];
- // copy points
- for (j = 0;j < portal->numpoints;j++)
- {
- VectorCopy(p->points + j*3, point->position);
- point++;
- }
- BoxFromPoints(portal->mins, portal->maxs, portal->numpoints, portal->points->position);
- PlaneClassify(&portal->plane);
- // link into leaf's portal chain
- portal->next = portal->here->portals;
- portal->here->portals = portal;
- // advance to next portal
- portal++;
- // then make the front to back portal(backward portal)
- portal->points = point;
- portal->numpoints = p->numpoints;
- portal->plane.dist = -p->plane.dist;
- VectorNegate(p->plane.normal, portal->plane.normal);
- portal->here = (mleaf_t *)p->nodes[0];
- portal->past = (mleaf_t *)p->nodes[1];
- // copy points
- for (j = portal->numpoints - 1;j >= 0;j--)
- {
- VectorCopy(p->points + j*3, point->position);
- point++;
- }
- BoxFromPoints(portal->mins, portal->maxs, portal->numpoints, portal->points->position);
- PlaneClassify(&portal->plane);
- // link into leaf's portal chain
- portal->next = portal->here->portals;
- portal->here->portals = portal;
- // advance to next portal
- portal++;
- }
- // add the portal's polygon points to the leaf bounding boxes
- if (mod_recalculatenodeboxes.integer)
- {
- for (i = 0;i < 2;i++)
- {
- leaf = (mleaf_t *)p->nodes[i];
- for (j = 0;j < p->numpoints;j++)
- {
- if (leaf->mins[0] > p->points[j*3+0]) leaf->mins[0] = p->points[j*3+0];
- if (leaf->mins[1] > p->points[j*3+1]) leaf->mins[1] = p->points[j*3+1];
- if (leaf->mins[2] > p->points[j*3+2]) leaf->mins[2] = p->points[j*3+2];
- if (leaf->maxs[0] < p->points[j*3+0]) leaf->maxs[0] = p->points[j*3+0];
- if (leaf->maxs[1] < p->points[j*3+1]) leaf->maxs[1] = p->points[j*3+1];
- if (leaf->maxs[2] < p->points[j*3+2]) leaf->maxs[2] = p->points[j*3+2];
- }
- }
- }
- }
- }
- // now recalculate the node bounding boxes from the leafs
- if (mod_recalculatenodeboxes.integer)
- Mod_Q1BSP_RecursiveRecalcNodeBBox(loadmodel->brush.data_nodes + loadmodel->brushq1.hulls[0].firstclipnode);
- }
- /*
- =============
- AddPortalToNodes
- =============
- */
- static void AddPortalToNodes(portal_t *p, mnode_t *front, mnode_t *back)
- {
- if (!front)
- Host_Error("AddPortalToNodes: NULL front node");
- if (!back)
- Host_Error("AddPortalToNodes: NULL back node");
- if (p->nodes[0] || p->nodes[1])
- Host_Error("AddPortalToNodes: already included");
- // note: front == back is handled gracefully, because leaf 0 is the shared solid leaf, it can often have portals with the same leaf on both sides
- p->nodes[0] = front;
- p->next[0] = (portal_t *)front->portals;
- front->portals = (mportal_t *)p;
- p->nodes[1] = back;
- p->next[1] = (portal_t *)back->portals;
- back->portals = (mportal_t *)p;
- }
- /*
- =============
- RemovePortalFromNode
- =============
- */
- static void RemovePortalFromNodes(portal_t *portal)
- {
- int i;
- mnode_t *node;
- void **portalpointer;
- portal_t *t;
- for (i = 0;i < 2;i++)
- {
- node = portal->nodes[i];
- portalpointer = (void **) &node->portals;
- while (1)
- {
- t = (portal_t *)*portalpointer;
- if (!t)
- Host_Error("RemovePortalFromNodes: portal not in leaf");
- if (t == portal)
- {
- if (portal->nodes[0] == node)
- {
- *portalpointer = portal->next[0];
- portal->nodes[0] = NULL;
- }
- else if (portal->nodes[1] == node)
- {
- *portalpointer = portal->next[1];
- portal->nodes[1] = NULL;
- }
- else
- Host_Error("RemovePortalFromNodes: portal not bounding leaf");
- break;
- }
- if (t->nodes[0] == node)
- portalpointer = (void **) &t->next[0];
- else if (t->nodes[1] == node)
- portalpointer = (void **) &t->next[1];
- else
- Host_Error("RemovePortalFromNodes: portal not bounding leaf");
- }
- }
- }
- #define PORTAL_DIST_EPSILON (1.0 / 32.0)
- static double *portalpointsbuffer;
- static int portalpointsbufferoffset;
- static int portalpointsbuffersize;
- static void Mod_Q1BSP_RecursiveNodePortals(mnode_t *node)
- {
- int i, side;
- mnode_t *front, *back, *other_node;
- mplane_t clipplane, *plane;
- portal_t *portal, *nextportal, *nodeportal, *splitportal, *temp;
- int numfrontpoints, numbackpoints;
- double *frontpoints, *backpoints;
- // if a leaf, we're done
- if (!node->plane)
- return;
- // get some space for our clipping operations to use
- if (portalpointsbuffersize < portalpointsbufferoffset + 6*MAX_PORTALPOINTS)
- {
- portalpointsbuffersize = portalpointsbufferoffset * 2;
- portalpointsbuffer = (double *)Mem_Realloc(loadmodel->mempool, portalpointsbuffer, portalpointsbuffersize * sizeof(*portalpointsbuffer));
- }
- frontpoints = portalpointsbuffer + portalpointsbufferoffset;
- portalpointsbufferoffset += 3*MAX_PORTALPOINTS;
- backpoints = portalpointsbuffer + portalpointsbufferoffset;
- portalpointsbufferoffset += 3*MAX_PORTALPOINTS;
- plane = node->plane;
- front = node->children[0];
- back = node->children[1];
- if (front == back)
- Host_Error("Mod_Q1BSP_RecursiveNodePortals: corrupt node hierarchy");
- // create the new portal by generating a polygon for the node plane,
- // and clipping it by all of the other portals(which came from nodes above this one)
- nodeportal = (portal_t *)Mem_ExpandableArray_AllocRecord(&portalarray);
- nodeportal->plane = *plane;
- // TODO: calculate node bounding boxes during recursion and calculate a maximum plane size accordingly to improve precision (as most maps do not need 1 billion unit plane polygons)
- PolygonD_QuadForPlane(nodeportal->points, nodeportal->plane.normal[0], nodeportal->plane.normal[1], nodeportal->plane.normal[2], nodeportal->plane.dist, 1024.0*1024.0*1024.0);
- nodeportal->numpoints = 4;
- // side = 0; // shut up compiler warning -> should be no longer needed, Host_Error is declared noreturn now
- for (portal = (portal_t *)node->portals;portal;portal = portal->next[side])
- {
- clipplane = portal->plane;
- if (portal->nodes[0] == portal->nodes[1])
- Host_Error("Mod_Q1BSP_RecursiveNodePortals: portal has same node on both sides(1)");
- if (portal->nodes[0] == node)
- side = 0;
- else if (portal->nodes[1] == node)
- {
- clipplane.dist = -clipplane.dist;
- VectorNegate(clipplane.normal, clipplane.normal);
- side = 1;
- }
- else
- {
- Host_Error("Mod_Q1BSP_RecursiveNodePortals: mislinked portal");
- side = 0; // hush warning
- }
- for (i = 0;i < nodeportal->numpoints*3;i++)
- frontpoints[i] = nodeportal->points[i];
- PolygonD_Divide(nodeportal->numpoints, frontpoints, clipplane.normal[0], clipplane.normal[1], clipplane.normal[2], clipplane.dist, PORTAL_DIST_EPSILON, MAX_PORTALPOINTS, nodeportal->points, &nodeportal->numpoints, 0, NULL, NULL, NULL);
- if (nodeportal->numpoints <= 0 || nodeportal->numpoints >= MAX_PORTALPOINTS)
- break;
- }
- if (nodeportal->numpoints < 3)
- {
- Con_Print("Mod_Q1BSP_RecursiveNodePortals: WARNING: new portal was clipped away\n");
- nodeportal->numpoints = 0;
- }
- else if (nodeportal->numpoints >= MAX_PORTALPOINTS)
- {
- Con_Print("Mod_Q1BSP_RecursiveNodePortals: WARNING: new portal has too many points\n");
- nodeportal->numpoints = 0;
- }
- AddPortalToNodes(nodeportal, front, back);
- // split the portals of this node along this node's plane and assign them to the children of this node
- // (migrating the portals downward through the tree)
- for (portal = (portal_t *)node->portals;portal;portal = nextportal)
- {
- if (portal->nodes[0] == portal->nodes[1])
- Host_Error("Mod_Q1BSP_RecursiveNodePortals: portal has same node on both sides(2)");
- if (portal->nodes[0] == node)
- side = 0;
- else if (portal->nodes[1] == node)
- side = 1;
- else
- {
- Host_Error("Mod_Q1BSP_RecursiveNodePortals: mislinked portal");
- side = 0; // hush warning
- }
- nextportal = portal->next[side];
- if (!portal->numpoints)
- continue;
- other_node = portal->nodes[!side];
- RemovePortalFromNodes(portal);
- // cut the portal into two portals, one on each side of the node plane
- PolygonD_Divide(portal->numpoints, portal->points, plane->normal[0], plane->normal[1], plane->normal[2], plane->dist, PORTAL_DIST_EPSILON, MAX_PORTALPOINTS, frontpoints, &numfrontpoints, MAX_PORTALPOINTS, backpoints, &numbackpoints, NULL);
- if (!numfrontpoints)
- {
- if (side == 0)
- AddPortalToNodes(portal, back, other_node);
- else
- AddPortalToNodes(portal, other_node, back);
- continue;
- }
- if (!numbackpoints)
- {
- if (side == 0)
- AddPortalToNodes(portal, front, other_node);
- else
- AddPortalToNodes(portal, other_node, front);
- continue;
- }
- // the portal is split
- splitportal = (portal_t *)Mem_ExpandableArray_AllocRecord(&portalarray);
- temp = splitportal->chain;
- *splitportal = *portal;
- splitportal->chain = temp;
- for (i = 0;i < numbackpoints*3;i++)
- splitportal->points[i] = backpoints[i];
- splitportal->numpoints = numbackpoints;
- for (i = 0;i < numfrontpoints*3;i++)
- portal->points[i] = frontpoints[i];
- portal->numpoints = numfrontpoints;
- if (side == 0)
- {
- AddPortalToNodes(portal, front, other_node);
- AddPortalToNodes(splitportal, back, other_node);
- }
- else
- {
- AddPortalToNodes(portal, other_node, front);
- AddPortalToNodes(splitportal, other_node, back);
- }
- }
- Mod_Q1BSP_RecursiveNodePortals(front);
- Mod_Q1BSP_RecursiveNodePortals(back);
- portalpointsbufferoffset -= 6*MAX_PORTALPOINTS;
- }
- static void Mod_Q1BSP_MakePortals(void)
- {
- Mem_ExpandableArray_NewArray(&portalarray, loadmodel->mempool, sizeof(portal_t), 1020*1024/sizeof(portal_t));
- portalpointsbufferoffset = 0;
- portalpointsbuffersize = 6*MAX_PORTALPOINTS*128;
- portalpointsbuffer = (double *)Mem_Alloc(loadmodel->mempool, portalpointsbuffersize * sizeof(*portalpointsbuffer));
- Mod_Q1BSP_RecursiveNodePortals(loadmodel->brush.data_nodes + loadmodel->brushq1.hulls[0].firstclipnode);
- Mem_Free(portalpointsbuffer);
- portalpointsbuffer = NULL;
- portalpointsbufferoffset = 0;
- portalpointsbuffersize = 0;
- Mod_Q1BSP_FinalizePortals();
- Mem_ExpandableArray_FreeArray(&portalarray);
- }
- //Returns PVS data for a given point
- //(note: can return NULL)
- static unsigned char *Mod_Q1BSP_GetPVS(dp_model_t *model, const vec3_t p)
- {
- mnode_t *node;
- node = model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode;
- while (node->plane)
- node = node->children[(node->plane->type < 3 ? p[node->plane->type] : DotProduct(p,node->plane->normal)) < node->plane->dist];
- if (((mleaf_t *)node)->clusterindex >= 0)
- return model->brush.data_pvsclusters + ((mleaf_t *)node)->clusterindex * model->brush.num_pvsclusterbytes;
- else
- return NULL;
- }
- static void Mod_Q1BSP_FatPVS_RecursiveBSPNode(dp_model_t *model, const vec3_t org, vec_t radius, unsigned char *pvsbuffer, int pvsbytes, mnode_t *node)
- {
- while (node->plane)
- {
- float d = PlaneDiff(org, node->plane);
- if (d > radius)
- node = node->children[0];
- else if (d < -radius)
- node = node->children[1];
- else
- {
- // go down both sides
- Mod_Q1BSP_FatPVS_RecursiveBSPNode(model, org, radius, pvsbuffer, pvsbytes, node->children[0]);
- node = node->children[1];
- }
- }
- // if this leaf is in a cluster, accumulate the pvs bits
- if (((mleaf_t *)node)->clusterindex >= 0)
- {
- int i;
- unsigned char *pvs = model->brush.data_pvsclusters + ((mleaf_t *)node)->clusterindex * model->brush.num_pvsclusterbytes;
- for (i = 0;i < pvsbytes;i++)
- pvsbuffer[i] |= pvs[i];
- }
- }
- //Calculates a PVS that is the inclusive or of all leafs within radius pixels
- //of the given point.
- static int Mod_Q1BSP_FatPVS(dp_model_t *model, const vec3_t org, vec_t radius, unsigned char *pvsbuffer, int pvsbufferlength, qboolean merge)
- {
- int bytes = model->brush.num_pvsclusterbytes;
- bytes = min(bytes, pvsbufferlength);
- if (r_novis.integer || r_trippy.integer || !model->brush.num_pvsclusters || !Mod_Q1BSP_GetPVS(model, org))
- {
- memset(pvsbuffer, 0xFF, bytes);
- return bytes;
- }
- if (!merge)
- memset(pvsbuffer, 0, bytes);
- Mod_Q1BSP_FatPVS_RecursiveBSPNode(model, org, radius, pvsbuffer, bytes, model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode);
- return bytes;
- }
- static void Mod_Q1BSP_RoundUpToHullSize(dp_model_t *cmodel, const vec3_t inmins, const vec3_t inmaxs, vec3_t outmins, vec3_t outmaxs)
- {
- vec3_t size;
- const hull_t *hull;
- VectorSubtract(inmaxs, inmins, size);
- if (cmodel->brush.ishlbsp)
- {
- if (size[0] < 3)
- hull = &cmodel->brushq1.hulls[0]; // 0x0x0
- else if (size[0] <= 32)
- {
- if (size[2] < 54) // pick the nearest of 36 or 72
- hull = &cmodel->brushq1.hulls[3]; // 32x32x36
- else
- hull = &cmodel->brushq1.hulls[1]; // 32x32x72
- }
- else
- hull = &cmodel->brushq1.hulls[2]; // 64x64x64
- }
- else
- {
- if (size[0] < 3)
- hull = &cmodel->brushq1.hulls[0]; // 0x0x0
- else if (size[0] <= 32)
- hull = &cmodel->brushq1.hulls[1]; // 32x32x56
- else
- hull = &cmodel->brushq1.hulls[2]; // 64x64x88
- }
- VectorCopy(inmins, outmins);
- VectorAdd(inmins, hull->clip_size, outmaxs);
- }
- static int Mod_Q1BSP_CreateShadowMesh(dp_model_t *mod)
- {
- int j;
- int numshadowmeshtriangles = 0;
- msurface_t *surface;
- if (cls.state == ca_dedicated)
- return 0;
- // make a single combined shadow mesh to allow optimized shadow volume creation
- for (j = 0, surface = mod->data_surfaces;j < mod->num_surfaces;j++, surface++)
- {
- surface->num_firstshadowmeshtriangle = numshadowmeshtriangles;
- numshadowmeshtriangles += surface->num_triangles;
- }
- mod->brush.shadowmesh = Mod_ShadowMesh_Begin(mod->mempool, numshadowmeshtriangles * 3, numshadowmeshtriangles, NULL, NULL, NULL, false, false, true);
- for (j = 0, surface = mod->data_surfaces;j < mod->num_surfaces;j++, surface++)
- if (surface->num_triangles > 0)
- Mod_ShadowMesh_AddMesh(mod->mempool, mod->brush.shadowmesh, NULL, NULL, NULL, mod->surfmesh.data_vertex3f, NULL, NULL, NULL, NULL, surface->num_triangles, (mod->surfmesh.data_element3i + 3 * surface->num_firsttriangle));
- mod->brush.shadowmesh = Mod_ShadowMesh_Finish(mod->mempool, mod->brush.shadowmesh, false, r_enableshadowvolumes.integer != 0, false);
- if (mod->brush.shadowmesh && mod->brush.shadowmesh->neighbor3i)
- Mod_BuildTriangleNeighbors(mod->brush.shadowmesh->neighbor3i, mod->brush.shadowmesh->element3i, mod->brush.shadowmesh->numtriangles);
- return numshadowmeshtriangles;
- }
- void Mod_CollisionBIH_TraceLineAgainstSurfaces(dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, trace_t *trace, const vec3_t start, const vec3_t end, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask);
- void Mod_Q1BSP_Load(dp_model_t *mod, void *buffer, void *bufferend)
- {
- int i, j, k;
- sizebuf_t lumpsb[HEADER_LUMPS];
- mmodel_t *bm;
- float dist, modelyawradius, modelradius;
- msurface_t *surface;
- hullinfo_t hullinfo;
- int totalstylesurfaces, totalstyles, stylecounts[256], remapstyles[256];
- model_brush_lightstyleinfo_t styleinfo[256];
- unsigned char *datapointer;
- sizebuf_t sb;
- MSG_InitReadBuffer(&sb, (unsigned char *)buffer, (unsigned char *)bufferend - (unsigned char *)buffer);
- mod->type = mod_brushq1;
- mod->brush.ishlbsp = false;
- mod->brush.isbsp2rmqe = false;
- mod->brush.isbsp2 = false;
- mod->brush.isq2bsp = false;
- mod->brush.isq3bsp = false;
- mod->brush.skymasking = true;
- i = MSG_ReadLittleLong(&sb);
- switch(i)
- {
- case BSPVERSION:
- mod->modeldatatypestring = "Q1BSP";
- break;
- case 30:
- mod->brush.ishlbsp = true;
- mod->modeldatatypestring = "HLBSP";
- break;
- case ('2' + 'P' * 256 + 'S' * 65536 + 'B' * 16777216):
- mod->brush.isbsp2 = true;
- mod->brush.isbsp2rmqe = true; // like bsp2 except leaf/node bounds are 16bit (unexpanded)
- mod->modeldatatypestring = "Q1BSP2rmqe";
- break;
- case ('B' + 'S' * 256 + 'P' * 65536 + '2' * 16777216):
- mod->brush.isbsp2 = true;
- mod->modeldatatypestring = "Q1BSP2";
- break;
- default:
- mod->modeldatatypestring = "Unknown BSP";
- Host_Error("Mod_Q1BSP_Load: %s has wrong version number %i: supported versions are 29 (Quake), 30 (Half-Life), \"BSP2\" or \"2PSB\" (rmqe)", mod->name, i);
- return;
- }
- // fill in hull info
- VectorClear (hullinfo.hullsizes[0][0]);
- VectorClear (hullinfo.hullsizes[0][1]);
- if (mod->brush.ishlbsp)
- {
- hullinfo.filehulls = 4;
- VectorSet (hullinfo.hullsizes[1][0], -16, -16, -36);
- VectorSet (hullinfo.hullsizes[1][1], 16, 16, 36);
- VectorSet (hullinfo.hullsizes[2][0], -32, -32, -32);
- VectorSet (hullinfo.hullsizes[2][1], 32, 32, 32);
- VectorSet (hullinfo.hullsizes[3][0], -16, -16, -18);
- VectorSet (hullinfo.hullsizes[3][1], 16, 16, 18);
- }
- else
- {
- hullinfo.filehulls = 4;
- VectorSet (hullinfo.hullsizes[1][0], -16, -16, -24);
- VectorSet (hullinfo.hullsizes[1][1], 16, 16, 32);
- VectorSet (hullinfo.hullsizes[2][0], -32, -32, -24);
- VectorSet (hullinfo.hullsizes[2][1], 32, 32, 64);
- }
- // read lumps
- for (i = 0; i < HEADER_LUMPS; i++)
- {
- int offset = MSG_ReadLittleLong(&sb);
- int size = MSG_ReadLittleLong(&sb);
- if (offset < 0 || offset + size > sb.cursize)
- Host_Error("Mod_Q1BSP_Load: %s has invalid lump %i (offset %i, size %i, file size %i)\n", mod->name, i, offset, size, (int)sb.cursize);
- MSG_InitReadBuffer(&lumpsb[i], sb.data + offset, size);
- }
- mod->soundfromcenter = true;
- mod->TraceBox = Mod_Q1BSP_TraceBox;
- mod->TraceLine = Mod_Q1BSP_TraceLine;
- mod->TracePoint = Mod_Q1BSP_TracePoint;
- mod->PointSuperContents = Mod_Q1BSP_PointSuperContents;
- mod->TraceLineAgainstSurfaces = Mod_Q1BSP_TraceLineAgainstSurfaces;
- mod->brush.TraceLineOfSight = Mod_Q1BSP_TraceLineOfSight;
- mod->brush.SuperContentsFromNativeContents = Mod_Q1BSP_SuperContentsFromNativeContents;
- mod->brush.NativeContentsFromSuperContents = Mod_Q1BSP_NativeContentsFromSuperContents;
- mod->brush.GetPVS = Mod_Q1BSP_GetPVS;
- mod->brush.FatPVS = Mod_Q1BSP_FatPVS;
- mod->brush.BoxTouchingPVS = Mod_Q1BSP_BoxTouchingPVS;
- mod->brush.BoxTouchingLeafPVS = Mod_Q1BSP_BoxTouchingLeafPVS;
- mod->brush.BoxTouchingVisibleLeafs = Mod_Q1BSP_BoxTouchingVisibleLeafs;
- mod->brush.FindBoxClusters = Mod_Q1BSP_FindBoxClusters;
- mod->brush.LightPoint = Mod_Q1BSP_LightPoint;
- mod->brush.FindNonSolidLocation = Mod_Q1BSP_FindNonSolidLocation;
- mod->brush.AmbientSoundLevelsForPoint = Mod_Q1BSP_AmbientSoundLevelsForPoint;
- mod->brush.RoundUpToHullSize = Mod_Q1BSP_RoundUpToHullSize;
- mod->brush.PointInLeaf = Mod_Q1BSP_PointInLeaf;
- mod->Draw = R_Q1BSP_Draw;
- mod->DrawDepth = R_Q1BSP_DrawDepth;
- mod->DrawDebug = R_Q1BSP_DrawDebug;
- mod->DrawPrepass = R_Q1BSP_DrawPrepass;
- mod->GetLightInfo = R_Q1BSP_GetLightInfo;
- mod->CompileShadowMap = R_Q1BSP_CompileShadowMap;
- mod->DrawShadowMap = R_Q1BSP_DrawShadowMap;
- mod->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
- mod->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
- mod->DrawLight = R_Q1BSP_DrawLight;
- // load into heap
- mod->brush.qw_md4sum = 0;
- mod->brush.qw_md4sum2 = 0;
- for (i = 0;i < HEADER_LUMPS;i++)
- {
- int temp;
- if (i == LUMP_ENTITIES)
- continue;
- temp = Com_BlockChecksum(lumpsb[i].data, lumpsb[i].cursize);
- mod->brush.qw_md4sum ^= LittleLong(temp);
- if (i == LUMP_VISIBILITY || i == LUMP_LEAFS || i == LUMP_NODES)
- continue;
- mod->brush.qw_md4sum2 ^= LittleLong(temp);
- }
- Mod_Q1BSP_LoadEntities(&lumpsb[LUMP_ENTITIES]);
- Mod_Q1BSP_LoadVertexes(&lumpsb[LUMP_VERTEXES]);
- Mod_Q1BSP_LoadEdges(&lumpsb[LUMP_EDGES]);
- Mod_Q1BSP_LoadSurfedges(&lumpsb[LUMP_SURFEDGES]);
- Mod_Q1BSP_LoadTextures(&lumpsb[LUMP_TEXTURES]);
- Mod_Q1BSP_LoadLighting(&lumpsb[LUMP_LIGHTING]);
- Mod_Q1BSP_LoadPlanes(&lumpsb[LUMP_PLANES]);
- Mod_Q1BSP_LoadTexinfo(&lumpsb[LUMP_TEXINFO]);
- Mod_Q1BSP_LoadFaces(&lumpsb[LUMP_FACES]);
- Mod_Q1BSP_LoadLeaffaces(&lumpsb[LUMP_MARKSURFACES]);
- Mod_Q1BSP_LoadVisibility(&lumpsb[LUMP_VISIBILITY]);
- // load submodels before leafs because they contain the number of vis leafs
- Mod_Q1BSP_LoadSubmodels(&lumpsb[LUMP_MODELS], &hullinfo);
- Mod_Q1BSP_LoadLeafs(&lumpsb[LUMP_LEAFS]);
- Mod_Q1BSP_LoadNodes(&lumpsb[LUMP_NODES]);
- Mod_Q1BSP_LoadClipnodes(&lumpsb[LUMP_CLIPNODES], &hullinfo);
- for (i = 0; i < HEADER_LUMPS; i++)
- if (lumpsb[i].readcount != lumpsb[i].cursize && i != LUMP_TEXTURES && i != LUMP_LIGHTING)
- Host_Error("Lump %i incorrectly loaded (readcount %i, size %i)\n", i, lumpsb[i].readcount, lumpsb[i].cursize);
- // check if the map supports transparent water rendering
- loadmodel->brush.supportwateralpha = Mod_Q1BSP_CheckWaterAlphaSupport();
- // we don't need the compressed pvs data anymore
- if (mod->brushq1.data_compressedpvs)
- Mem_Free(mod->brushq1.data_compressedpvs);
- mod->brushq1.data_compressedpvs = NULL;
- mod->brushq1.num_compressedpvs = 0;
- Mod_Q1BSP_MakeHull0();
- if (mod_bsp_portalize.integer)
- Mod_Q1BSP_MakePortals();
- mod->numframes = 2; // regular and alternate animation
- mod->numskins = 1;
- // make a single combined shadow mesh to allow optimized shadow volume creation
- Mod_Q1BSP_CreateShadowMesh(loadmodel);
- if (loadmodel->brush.numsubmodels)
- loadmodel->brush.submodels = (dp_model_t **)Mem_Alloc(loadmodel->mempool, loadmodel->brush.numsubmodels * sizeof(dp_model_t *));
- // LordHavoc: to clear the fog around the original quake submodel code, I
- // will explain:
- // first of all, some background info on the submodels:
- // model 0 is the map model (the world, named maps/e1m1.bsp for example)
- // model 1 and higher are submodels (doors and the like, named *1, *2, etc)
- // now the weird for loop itself:
- // the loop functions in an odd way, on each iteration it sets up the
- // current 'mod' model (which despite the confusing code IS the model of
- // the number i), at the end of the loop it duplicates the model to become
- // the next submodel, and loops back to set up the new submodel.
- // LordHavoc: now the explanation of my sane way (which works identically):
- // set up the world model, then on each submodel copy from the world model
- // and set up the submodel with the respective model info.
- totalstylesurfaces = 0;
- totalstyles = 0;
- for (i = 0;i < mod->brush.numsubmodels;i++)
- {
- memset(stylecounts, 0, sizeof(stylecounts));
- for (k = 0;k < mod->brushq1.submodels[i].numfaces;k++)
- {
- surface = mod->data_surfaces + mod->brushq1.submodels[i].firstface + k;
- for (j = 0;j < MAXLIGHTMAPS;j++)
- stylecounts[surface->lightmapinfo->styles[j]]++;
- }
- for (k = 0;k < 255;k++)
- {
- totalstyles++;
- if (stylecounts[k])
- totalstylesurfaces += stylecounts[k];
- }
- }
- datapointer = (unsigned char *)Mem_Alloc(mod->mempool, mod->num_surfaces * sizeof(int) + totalstyles * sizeof(model_brush_lightstyleinfo_t) + totalstylesurfaces * sizeof(int *));
- for (i = 0;i < mod->brush.numsubmodels;i++)
- {
- // LordHavoc: this code was originally at the end of this loop, but
- // has been transformed to something more readable at the start here.
- if (i > 0)
- {
- char name[10];
- // duplicate the basic information
- dpsnprintf(name, sizeof(name), "*%i", i);
- mod = Mod_FindName(name, loadmodel->name);
- // copy the base model to this one
- *mod = *loadmodel;
- // rename the clone back to its proper name
- strlcpy(mod->name, name, sizeof(mod->name));
- mod->brush.parentmodel = loadmodel;
- // textures and memory belong to the main model
- mod->texturepool = NULL;
- mod->mempool = NULL;
- mod->brush.GetPVS = NULL;
- mod->brush.FatPVS = NULL;
- mod->brush.BoxTouchingPVS = NULL;
- mod->brush.BoxTouchingLeafPVS = NULL;
- mod->brush.BoxTouchingVisibleLeafs = NULL;
- mod->brush.FindBoxClusters = NULL;
- mod->brush.LightPoint = NULL;
- mod->brush.AmbientSoundLevelsForPoint = NULL;
- }
- mod->brush.submodel = i;
- if (loadmodel->brush.submodels)
- loadmodel->brush.submodels[i] = mod;
- bm = &mod->brushq1.submodels[i];
- mod->brushq1.hulls[0].firstclipnode = bm->headnode[0];
- for (j=1 ; j<MAX_MAP_HULLS ; j++)
- {
- mod->brushq1.hulls[j].firstclipnode = bm->headnode[j];
- mod->brushq1.hulls[j].lastclipnode = mod->brushq1.numclipnodes - 1;
- }
- mod->firstmodelsurface = bm->firstface;
- mod->nummodelsurfaces = bm->numfaces;
- // set node/leaf parents for this submodel
- Mod_Q1BSP_LoadNodes_RecursiveSetParent(mod->brush.data_nodes + mod->brushq1.hulls[0].firstclipnode, NULL);
- // this has to occur after hull info has been set, as it uses Mod_Q1BSP_PointSuperContents
- Mod_Q1BSP_AssignNoShadowSkySurfaces(mod);
- // make the model surface list (used by shadowing/lighting)
- mod->sortedmodelsurfaces = (int *)datapointer;datapointer += mod->nummodelsurfaces * sizeof(int);
- Mod_MakeSortedSurfaces(mod);
- // copy the submodel bounds, then enlarge the yaw and rotated bounds according to radius
- // (previously this code measured the radius of the vertices of surfaces in the submodel, but that broke submodels that contain only CLIP brushes, which do not produce surfaces)
- VectorCopy(bm->mins, mod->normalmins);
- VectorCopy(bm->maxs, mod->normalmaxs);
- dist = max(fabs(mod->normalmins[0]), fabs(mod->normalmaxs[0]));
- modelyawradius = max(fabs(mod->normalmins[1]), fabs(mod->normalmaxs[1]));
- modelyawradius = dist*dist+modelyawradius*modelyawradius;
- modelradius = max(fabs(mod->normalmins[2]), fabs(mod->normalmaxs[2]));
- modelradius = modelyawradius + modelradius * modelradius;
- modelyawradius = sqrt(modelyawradius);
- modelradius = sqrt(modelradius);
- mod->yawmins[0] = mod->yawmins[1] = -modelyawradius;
- mod->yawmins[2] = mod->normalmins[2];
- mod->yawmaxs[0] = mod->yawmaxs[1] = modelyawradius;
- mod->yawmaxs[2] = mod->normalmaxs[2];
- mod->rotatedmins[0] = mod->rotatedmins[1] = mod->rotatedmins[2] = -modelradius;
- mod->rotatedmaxs[0] = mod->rotatedmaxs[1] = mod->rotatedmaxs[2] = modelradius;
- mod->radius = modelradius;
- mod->radius2 = modelradius * modelradius;
- // this gets altered below if sky or water is used
- mod->DrawSky = NULL;
- mod->DrawAddWaterPlanes = NULL;
- // scan surfaces for sky and water and flag the submodel as possessing these features or not
- // build lightstyle lists for quick marking of dirty lightmaps when lightstyles flicker
- if (mod->nummodelsurfaces)
- {
- for (j = 0, surface = &mod->data_surfaces[mod->firstmodelsurface];j < mod->nummodelsurfaces;j++, surface++)
- if (surface->texture->basematerialflags & MATERIALFLAG_SKY)
- break;
- if (j < mod->nummodelsurfaces)
- mod->DrawSky = R_Q1BSP_DrawSky;
- for (j = 0, surface = &mod->data_surfaces[mod->firstmodelsurface];j < mod->nummodelsurfaces;j++, surface++)
- if (surface->texture->basematerialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_REFLECTION | MATERIALFLAG_CAMERA))
- break;
- if (j < mod->nummodelsurfaces)
- mod->DrawAddWaterPlanes = R_Q1BSP_DrawAddWaterPlanes;
- // build lightstyle update chains
- // (used to rapidly mark lightmapupdateflags on many surfaces
- // when d_lightstylevalue changes)
- memset(stylecounts, 0, sizeof(stylecounts));
- for (k = 0;k < mod->nummodelsurfaces;k++)
- {
- surface = mod->data_surfaces + mod->firstmodelsurface + k;
- for (j = 0;j < MAXLIGHTMAPS;j++)
- stylecounts[surface->lightmapinfo->styles[j]]++;
- }
- mod->brushq1.num_lightstyles = 0;
- for (k = 0;k < 255;k++)
- {
- if (stylecounts[k])
- {
- styleinfo[mod->brushq1.num_lightstyles].style = k;
- styleinfo[mod->brushq1.num_lightstyles].value = 0;
- styleinfo[mod->brushq1.num_lightstyles].numsurfaces = 0;
- styleinfo[mod->brushq1.num_lightstyles].surfacelist = (int *)datapointer;datapointer += stylecounts[k] * sizeof(int);
- remapstyles[k] = mod->brushq1.num_lightstyles;
- mod->brushq1.num_lightstyles++;
- }
- }
- for (k = 0;k < mod->nummodelsurfaces;k++)
- {
- surface = mod->data_surfaces + mod->firstmodelsurface + k;
- for (j = 0;j < MAXLIGHTMAPS;j++)
- {
- if (surface->lightmapinfo->styles[j] != 255)
- {
- int r = remapstyles[surface->lightmapinfo->styles[j]];
- styleinfo[r].surfacelist[styleinfo[r].numsurfaces++] = mod->firstmodelsurface + k;
- }
- }
- }
- mod->brushq1.data_lightstyleinfo = (model_brush_lightstyleinfo_t *)datapointer;datapointer += mod->brushq1.num_lightstyles * sizeof(model_brush_lightstyleinfo_t);
- memcpy(mod->brushq1.data_lightstyleinfo, styleinfo, mod->brushq1.num_lightstyles * sizeof(model_brush_lightstyleinfo_t));
- }
- else
- {
- // LordHavoc: empty submodel(lacrima.bsp has such a glitch)
- Con_Printf("warning: empty submodel *%i in %s\n", i+1, loadmodel->name);
- }
- //mod->brushq1.num_visleafs = bm->visleafs;
- // build a Bounding Interval Hierarchy for culling triangles in light rendering
- Mod_MakeCollisionBIH(mod, true, &mod->render_bih);
- if (mod_q1bsp_polygoncollisions.integer)
- {
- mod->collision_bih = mod->render_bih;
- // point traces and contents checks still use the bsp tree
- mod->TraceLine = Mod_CollisionBIH_TraceLine;
- mod->TraceBox = Mod_CollisionBIH_TraceBox;
- mod->TraceBrush = Mod_CollisionBIH_TraceBrush;
- mod->TraceLineAgainstSurfaces = Mod_CollisionBIH_TraceLineAgainstSurfaces;
- }
- // generate VBOs and other shared data before cloning submodels
- if (i == 0)
- {
- Mod_BuildVBOs();
- Mod_Q1BSP_LoadMapBrushes();
- //Mod_Q1BSP_ProcessLightList();
- }
- }
- Con_DPrintf("Stats for q1bsp model \"%s\": %i faces, %i nodes, %i leafs, %i visleafs, %i visleafportals, mesh: %i vertices, %i triangles, %i surfaces\n", loadmodel->name, loadmodel->num_surfaces, loadmodel->brush.num_nodes, loadmodel->brush.num_leafs, mod->brush.num_pvsclusters, loadmodel->brush.num_portals, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->num_surfaces);
- }
- int Mod_Q2BSP_SuperContentsFromNativeContents(int nativecontents)
- {
- int supercontents = 0;
- if (nativecontents & CONTENTSQ2_SOLID)
- supercontents |= SUPERCONTENTS_SOLID;
- if (nativecontents & CONTENTSQ2_WATER)
- supercontents |= SUPERCONTENTS_WATER;
- if (nativecontents & CONTENTSQ2_SLIME)
- supercontents |= SUPERCONTENTS_SLIME;
- if (nativecontents & CONTENTSQ2_LAVA)
- supercontents |= SUPERCONTENTS_LAVA;
- if (nativecontents & CONTENTSQ2_MONSTER)
- supercontents |= SUPERCONTENTS_BODY;
- if (nativecontents & CONTENTSQ2_DEADMONSTER)
- supercontents |= SUPERCONTENTS_CORPSE;
- if (nativecontents & CONTENTSQ2_PLAYERCLIP)
- supercontents |= SUPERCONTENTS_PLAYERCLIP;
- if (nativecontents & CONTENTSQ2_MONSTERCLIP)
- supercontents |= SUPERCONTENTS_MONSTERCLIP;
- if (!(nativecontents & CONTENTSQ2_TRANSLUCENT))
- supercontents |= SUPERCONTENTS_OPAQUE;
- return supercontents;
- }
- int Mod_Q2BSP_NativeContentsFromSuperContents(int supercontents)
- {
- int nativecontents = 0;
- if (supercontents & SUPERCONTENTS_SOLID)
- nativecontents |= CONTENTSQ2_SOLID;
- if (supercontents & SUPERCONTENTS_WATER)
- nativecontents |= CONTENTSQ2_WATER;
- if (supercontents & SUPERCONTENTS_SLIME)
- nativecontents |= CONTENTSQ2_SLIME;
- if (supercontents & SUPERCONTENTS_LAVA)
- nativecontents |= CONTENTSQ2_LAVA;
- if (supercontents & SUPERCONTENTS_BODY)
- nativecontents |= CONTENTSQ2_MONSTER;
- if (supercontents & SUPERCONTENTS_CORPSE)
- nativecontents |= CONTENTSQ2_DEADMONSTER;
- if (supercontents & SUPERCONTENTS_PLAYERCLIP)
- nativecontents |= CONTENTSQ2_PLAYERCLIP;
- if (supercontents & SUPERCONTENTS_MONSTERCLIP)
- nativecontents |= CONTENTSQ2_MONSTERCLIP;
- if (!(supercontents & SUPERCONTENTS_OPAQUE))
- nativecontents |= CONTENTSQ2_TRANSLUCENT;
- return nativecontents;
- }
- static void Mod_Q2BSP_LoadVisibility(sizebuf_t *sb)
- {
- int i, count;
- loadmodel->brushq1.num_compressedpvs = 0;
- loadmodel->brushq1.data_compressedpvs = NULL;
- loadmodel->brush.num_pvsclusters = 0;
- loadmodel->brush.num_pvsclusterbytes = 0;
- loadmodel->brush.data_pvsclusters = NULL;
- if (!sb->cursize)
- return;
- count = MSG_ReadLittleLong(sb);
- loadmodel->brush.num_pvsclusters = count;
- loadmodel->brush.num_pvsclusterbytes = (count+7)>>3;
- loadmodel->brush.data_pvsclusters = (unsigned char *)Mem_Alloc(loadmodel->mempool, count*loadmodel->brush.num_pvsclusterbytes);
- for (i = 0;i < count;i++)
- {
- int pvsofs = MSG_ReadLittleLong(sb);
- /*int phsofs = */MSG_ReadLittleLong(sb);
- // decompress the vis data for this cluster
- // (note this accesses the underlying data store of sb, which is kind of evil)
- Mod_Q1BSP_DecompressVis(sb->data + pvsofs, sb->data + sb->cursize, loadmodel->brush.data_pvsclusters + i * loadmodel->brush.num_pvsclusterbytes, loadmodel->brush.data_pvsclusters + (i+1) * loadmodel->brush.num_pvsclusterbytes);
- }
- // hush the loading error check later - we had to do random access on this lump, so we didn't read to the end
- sb->readcount = sb->cursize;
- }
- static void Mod_Q2BSP_LoadNodes(sizebuf_t *sb)
- {
- int i, j, count, p, child[2];
- mnode_t *out;
- int structsize = 28;
- if (sb->cursize % structsize)
- Host_Error("Mod_Q2BSP_LoadNodes: funny lump size in %s",loadmodel->name);
- count = sb->cursize / structsize;
- if (count == 0)
- Host_Error("Mod_Q2BSP_LoadNodes: missing BSP tree in %s",loadmodel->name);
- out = (mnode_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
- loadmodel->brush.data_nodes = out;
- loadmodel->brush.num_nodes = count;
- for ( i=0 ; i<count ; i++, out++)
- {
- p = MSG_ReadLittleLong(sb);
- out->plane = loadmodel->brush.data_planes + p;
- child[0] = MSG_ReadLittleLong(sb);
- child[1] = MSG_ReadLittleLong(sb);
- out->mins[0] = MSG_ReadLittleShort(sb);
- out->mins[1] = MSG_ReadLittleShort(sb);
- out->mins[2] = MSG_ReadLittleShort(sb);
- out->maxs[0] = MSG_ReadLittleShort(sb);
- out->maxs[1] = MSG_ReadLittleShort(sb);
- out->maxs[2] = MSG_ReadLittleShort(sb);
- out->firstsurface = (unsigned short)MSG_ReadLittleShort(sb);
- out->numsurfaces = (unsigned short)MSG_ReadLittleShort(sb);
- if (out->firstsurface + out->numsurfaces > (unsigned int)loadmodel->num_surfaces)
- {
- Con_Printf("Mod_Q2BSP_LoadNodes: invalid surface index range %i+%i (file has only %i surfaces)\n", out->firstsurface, out->numsurfaces, loadmodel->num_surfaces);
- out->firstsurface = 0;
- out->numsurfaces = 0;
- }
- for (j=0 ; j<2 ; j++)
- {
- p = child[j];
- if (p >= 0)
- {
- if (p < loadmodel->brush.num_nodes)
- out->children[j] = loadmodel->brush.data_nodes + p;
- else
- {
- Con_Printf("Mod_Q2BSP_LoadNodes: invalid node index %i (file has only %i nodes)\n", p, loadmodel->brush.num_nodes);
- // map it to the solid leaf
- out->children[j] = (mnode_t *)loadmodel->brush.data_leafs;
- }
- }
- else
- {
- // get leaf index as a positive value starting at 0 (-1 becomes 0, -2 becomes 1, etc)
- p = -(p+1);
- if (p < loadmodel->brush.num_leafs)
- out->children[j] = (mnode_t *)(loadmodel->brush.data_leafs + p);
- else
- {
- Con_Printf("Mod_Q2BSP_LoadNodes: invalid leaf index %i (file has only %i leafs)\n", p, loadmodel->brush.num_leafs);
- // map it to the solid leaf
- out->children[j] = (mnode_t *)loadmodel->brush.data_leafs;
- }
- }
- }
- }
- Mod_Q1BSP_LoadNodes_RecursiveSetParent(loadmodel->brush.data_nodes, NULL); // sets nodes and leafs
- }
- static void Mod_Q2BSP_LoadTexinfo(sizebuf_t *sb)
- {
- mtexinfo_t *out;
- int i, l, count;
- int structsize = 76;
- int maxtextures = 1024; // hardcoded limit of quake2 engine, so we may as well use it as an upper bound
- char filename[MAX_QPATH];
- if (sb->cursize % structsize)
- Host_Error("Mod_Q2BSP_LoadTexinfo: funny lump size in %s",loadmodel->name);
- count = sb->cursize / structsize;
- out = (mtexinfo_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- loadmodel->brushq1.texinfo = out;
- loadmodel->brushq1.numtexinfo = count;
- loadmodel->num_texturesperskin = 0;
- loadmodel->data_textures = (texture_t*)Mem_Alloc(loadmodel->mempool, maxtextures * sizeof(texture_t));
- for (i = 0;i < count;i++, out++)
- {
- int j, k;
- for (k = 0;k < 2;k++)
- for (j = 0;j < 4;j++)
- out->vecs[k][j] = MSG_ReadLittleFloat(sb);
- out->q2flags = MSG_ReadLittleLong(sb);
- out->q2value = MSG_ReadLittleLong(sb);
- MSG_ReadBytes(sb, 32, (unsigned char*)out->q2texture);
- out->q2texture[31] = 0; // make absolutely sure it is terminated
- out->q2nexttexinfo = MSG_ReadLittleLong(sb);
- // find an existing match for the texture if possible
- dpsnprintf(filename, sizeof(filename), "textures/%s.wal", out->q2texture);
- for (j = 0;j < loadmodel->num_texturesperskin;j++)
- if (!strcmp(filename, loadmodel->data_textures[j].name)
- && out->q2flags == loadmodel->data_textures[j].q2flags
- && out->q2value == loadmodel->data_textures[j].q2value)
- break;
- // if we don't find the texture, store the new texture
- if (j == loadmodel->num_texturesperskin)
- {
- if (loadmodel->num_texturesperskin < maxtextures)
- {
- texture_t *tx = loadmodel->data_textures + j;
- int q2flags = out->q2flags;
- unsigned char *walfile = NULL;
- fs_offset_t walfilesize = 0;
- Mod_LoadTextureFromQ3Shader(tx, filename, true, true, TEXF_ALPHA | TEXF_MIPMAP | TEXF_ISWORLD | TEXF_PICMIP | TEXF_COMPRESS);
- // now read the .wal file to get metadata (even if a .tga was overriding it, we still need the wal data)
- walfile = FS_LoadFile(filename, tempmempool, true, &walfilesize);
- if (walfile)
- {
- int w, h;
- LoadWAL_GetMetadata(walfile, (int)walfilesize, &w, &h, NULL, NULL, &tx->q2contents, NULL);
- tx->width = w;
- tx->height = h;
- Mem_Free(walfile);
- }
- else
- {
- tx->width = 16;
- tx->height = 16;
- }
- tx->q2flags = out->q2flags;
- tx->q2value = out->q2value;
- // also modify the texture to have the correct contents and such based on flags
- // note that we create multiple texture_t structures if q2flags differs
- if (q2flags & Q2SURF_LIGHT)
- {
- // doesn't mean anything to us
- }
- if (q2flags & Q2SURF_SLICK)
- {
- // would be nice to support...
- }
- if (q2flags & Q2SURF_SKY)
- {
- // sky is a rather specific thing
- q2flags &= ~Q2SURF_NODRAW; // quake2 had a slightly different meaning than we have in mind here...
- tx->basematerialflags = MATERIALFLAG_SKY;
- tx->supercontents = SUPERCONTENTS_SKY | SUPERCONTENTS_NODROP | SUPERCONTENTS_OPAQUE;
- tx->surfaceflags = Q3SURFACEFLAG_SKY | Q3SURFACEFLAG_NOIMPACT | Q3SURFACEFLAG_NOMARKS | Q3SURFACEFLAG_NODLIGHT | Q3SURFACEFLAG_NOLIGHTMAP;
- }
- if (q2flags & Q2SURF_WARP)
- {
- // we use a scroll instead of a warp
- tx->basematerialflags |= MATERIALFLAG_WATERSCROLL | MATERIALFLAG_FULLBRIGHT;
- // if it's also transparent, we can enable the WATERSHADER
- // but we do not set the WATERALPHA flag because we don't
- // want to honor r_wateralpha in q2bsp
- // (it would go against the artistic intent)
- if (q2flags & (Q2SURF_TRANS33 | Q2SURF_TRANS66))
- tx->basematerialflags |= MATERIALFLAG_WATERSHADER;
- }
- if (q2flags & Q2SURF_TRANS33)
- {
- tx->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED;
- tx->basealpha = 1.0f / 3.0f;
- tx->supercontents &= ~SUPERCONTENTS_OPAQUE;
- if (tx->q2contents & Q2CONTENTS_SOLID)
- tx->q2contents = (tx->q2contents & ~Q2CONTENTS_SOLID) | Q2CONTENTS_WINDOW;
- }
- if (q2flags & Q2SURF_TRANS66)
- {
- tx->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED;
- tx->basealpha = 2.0f / 3.0f;
- tx->supercontents &= ~SUPERCONTENTS_OPAQUE;
- if (tx->q2contents & Q2CONTENTS_SOLID)
- tx->q2contents = (tx->q2contents & ~Q2CONTENTS_SOLID) | Q2CONTENTS_WINDOW;
- }
- if ((q2flags & Q2SURF_FLOWING) && tx->materialshaderpass != NULL)
- {
- tx->materialshaderpass->tcmods[0].tcmod = Q3TCMOD_SCROLL;
- if (q2flags & Q2SURF_WARP)
- tx->materialshaderpass->tcmods[0].parms[0] = -0.5f;
- else
- tx->materialshaderpass->tcmods[0].parms[0] = -1.6f;
- tx->materialshaderpass->tcmods[0].parms[1] = 0.0f;
- }
- if (q2flags & Q2SURF_ALPHATEST)
- {
- // KMQUAKE2 and other modded engines added this flag for lit alpha tested surfaces
- tx->basematerialflags |= MATERIALFLAG_ALPHATEST | MATERIALFLAG_NOSHADOW;
- }
- else if (q2flags & (Q2SURF_TRANS33 | Q2SURF_TRANS66 | Q2SURF_WARP))
- {
- if (!mod_q2bsp_littransparentsurfaces.integer)
- tx->basematerialflags |= MATERIALFLAG_FULLBRIGHT;
- }
- if (q2flags & Q2SURF_NODRAW)
- {
- tx->basematerialflags = MATERIALFLAG_NODRAW | MATERIALFLAG_NOSHADOW;
- }
- if (tx->q2contents & (Q2CONTENTS_TRANSLUCENT | Q2CONTENTS_MONSTERCLIP | Q2CONTENTS_PLAYERCLIP))
- tx->q2contents |= Q2CONTENTS_DETAIL;
- if (!(tx->q2contents & (Q2CONTENTS_SOLID | Q2CONTENTS_WINDOW | Q2CONTENTS_AUX | Q2CONTENTS_LAVA | Q2CONTENTS_SLIME | Q2CONTENTS_WATER | Q2CONTENTS_MIST | Q2CONTENTS_PLAYERCLIP | Q2CONTENTS_MONSTERCLIP | Q2CONTENTS_MIST)))
- tx->q2contents |= Q2CONTENTS_SOLID;
- if (tx->q2flags & (Q2SURF_HINT | Q2SURF_SKIP))
- tx->q2contents = 0;
- tx->supercontents = Mod_Q2BSP_SuperContentsFromNativeContents(tx->q2contents);
- // set the current values to the base values
- tx->currentframe = tx;
- tx->currentskinframe = tx->materialshaderpass != NULL ? tx->materialshaderpass->skinframes[0] : NULL;
- tx->currentmaterialflags = tx->basematerialflags;
- loadmodel->num_texturesperskin++;
- loadmodel->num_textures = loadmodel->num_texturesperskin;
- }
- else
- {
- Con_Printf("Mod_Q2BSP_LoadTexinfo: max textures reached (%i)\n", maxtextures);
- j = 0; // use first texture and give up
- }
- }
- // store the index we found for this texture
- out->textureindex = j;
- }
- // realloc the textures array now that we know how many we actually need
- loadmodel->data_textures = (texture_t*)Mem_Realloc(loadmodel->mempool, loadmodel->data_textures, loadmodel->num_texturesperskin * sizeof(texture_t));
- // now assemble the texture chains
- // if we encounter the textures out of order, the later ones won't mark the earlier ones in a sequence, so the earlier
- for (i = 0, out = loadmodel->brushq1.texinfo;i < count;i++, out++)
- {
- int j, k;
- texture_t *t = loadmodel->data_textures + out->textureindex;
- t->currentframe = t; // fix the reallocated pointer
- // if this is not animated, skip it
- // if this is already processed, skip it (part of an existing sequence)
- if (out->q2nexttexinfo == 0 || t->animated)
- continue;
- // store the array of frames to use
- t->animated = 2; // q2bsp animation
- t->anim_total[0] = 0;
- t->anim_total[1] = 0;
- // gather up to 10 frames (we don't support more)
- for (j = i;j >= 0 && t->anim_total[0] < (int)(sizeof(t->anim_frames[0])/sizeof(t->anim_frames[0][0]));j = loadmodel->brushq1.texinfo[j].q2nexttexinfo)
- {
- // detect looping and stop there
- if (t->anim_total[0] && loadmodel->brushq1.texinfo[j].textureindex == out->textureindex)
- break;
- t->anim_frames[0][t->anim_total[0]++] = &loadmodel->data_textures[loadmodel->brushq1.texinfo[j].textureindex];
- }
- // we could look for the +a sequence here if this is the +0 sequence,
- // but it seems that quake2 did not implement that (even though the
- // files exist in the baseq2 content)
- // write the frame sequence to all the textures involved (just like
- // in the q1bsp loader)
- //
- // note that this can overwrite the rest of the sequence - so if the
- // start of a sequence is found later than the other parts of the
- // sequence, it will go back and rewrite them correctly.
- for (k = 0;k < t->anim_total[0];k++)
- {
- texture_t *txk = t->anim_frames[0][k];
- txk->animated = t->animated;
- txk->anim_total[0] = t->anim_total[0];
- for (l = 0;l < t->anim_total[0];l++)
- txk->anim_frames[0][l] = t->anim_frames[0][l];
- }
- }
- }
- static void Mod_Q2BSP_LoadLighting(sizebuf_t *sb)
- {
- // LordHavoc: this fits exactly the same format that we use in .lit files
- loadmodel->brushq1.lightdata = (unsigned char *)Mem_Alloc(loadmodel->mempool, sb->cursize);
- MSG_ReadBytes(sb, sb->cursize, loadmodel->brushq1.lightdata);
- }
- static void Mod_Q2BSP_LoadLeafs(sizebuf_t *sb)
- {
- mleaf_t *out;
- int i, j, count, firstmarksurface, nummarksurfaces, firstmarkbrush, nummarkbrushes;
- int structsize = 28;
- if (sb->cursize % structsize)
- Host_Error("Mod_Q2BSP_LoadLeafs: funny lump size in %s",loadmodel->name);
- count = sb->cursize / structsize;
- out = (mleaf_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
- loadmodel->brush.data_leafs = out;
- loadmodel->brush.num_leafs = count;
- // FIXME: this function could really benefit from some error checking
- for ( i=0 ; i<count ; i++, out++)
- {
- out->contents = MSG_ReadLittleLong(sb);
- out->clusterindex = MSG_ReadLittleShort(sb);
- out->areaindex = MSG_ReadLittleShort(sb);
- out->mins[0] = MSG_ReadLittleShort(sb);
- out->mins[1] = MSG_ReadLittleShort(sb);
- out->mins[2] = MSG_ReadLittleShort(sb);
- out->maxs[0] = MSG_ReadLittleShort(sb);
- out->maxs[1] = MSG_ReadLittleShort(sb);
- out->maxs[2] = MSG_ReadLittleShort(sb);
-
- firstmarksurface = (unsigned short)MSG_ReadLittleShort(sb);
- nummarksurfaces = (unsigned short)MSG_ReadLittleShort(sb);
- firstmarkbrush = (unsigned short)MSG_ReadLittleShort(sb);
- nummarkbrushes = (unsigned short)MSG_ReadLittleShort(sb);
- for (j = 0;j < 4;j++)
- out->ambient_sound_level[j] = 0;
- if (out->clusterindex >= loadmodel->brush.num_pvsclusters)
- {
- Con_Print("Mod_Q2BSP_LoadLeafs: invalid clusterindex\n");
- out->clusterindex = -1;
- }
- if (firstmarksurface >= 0 && firstmarksurface + nummarksurfaces <= loadmodel->brush.num_leafsurfaces)
- {
- out->firstleafsurface = loadmodel->brush.data_leafsurfaces + firstmarksurface;
- out->numleafsurfaces = nummarksurfaces;
- }
- else
- {
- Con_Printf("Mod_Q2BSP_LoadLeafs: invalid leafsurface range %i:%i outside range %i:%i\n", firstmarksurface, firstmarksurface+nummarksurfaces, 0, loadmodel->brush.num_leafsurfaces);
- out->firstleafsurface = NULL;
- out->numleafsurfaces = 0;
- }
- if (firstmarkbrush >= 0 && firstmarkbrush + nummarkbrushes <= loadmodel->brush.num_leafbrushes)
- {
- out->firstleafbrush = loadmodel->brush.data_leafbrushes + firstmarkbrush;
- out->numleafbrushes = nummarkbrushes;
- }
- else
- {
- Con_Printf("Mod_Q2BSP_LoadLeafs: invalid leafbrush range %i:%i outside range %i:%i\n", firstmarkbrush, firstmarkbrush+nummarkbrushes, 0, loadmodel->brush.num_leafbrushes);
- out->firstleafbrush = NULL;
- out->numleafbrushes = 0;
- }
- }
- }
- static void Mod_Q2BSP_LoadLeafBrushes(sizebuf_t *sb)
- {
- int i, j;
- int structsize = 2;
- if (sb->cursize % structsize)
- Host_Error("Mod_Q2BSP_LoadLeafBrushes: funny lump size in %s",loadmodel->name);
- loadmodel->brush.num_leafbrushes = sb->cursize / structsize;
- loadmodel->brush.data_leafbrushes = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_leafbrushes * sizeof(int));
- for (i = 0;i < loadmodel->brush.num_leafbrushes;i++)
- {
- j = (unsigned short) MSG_ReadLittleShort(sb);
- if (j >= loadmodel->brush.num_brushes)
- Host_Error("Mod_Q1BSP_LoadLeafBrushes: bad brush number");
- loadmodel->brush.data_leafbrushes[i] = j;
- }
- }
- static void Mod_Q2BSP_LoadBrushSides(sizebuf_t *sb)
- {
- q3mbrushside_t *out;
- int i, n, count;
- int structsize = 4;
- if (sb->cursize % structsize)
- Host_Error("Mod_Q2BSP_LoadBrushSides: funny lump size in %s",loadmodel->name);
- count = sb->cursize / structsize;
- out = (q3mbrushside_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- loadmodel->brush.data_brushsides = out;
- loadmodel->brush.num_brushsides = count;
- for (i = 0;i < count;i++, out++)
- {
- n = (unsigned short)MSG_ReadLittleShort(sb);
- if (n < 0 || n >= loadmodel->brush.num_planes)
- Host_Error("Mod_Q2BSP_LoadBrushSides: invalid planeindex %i (%i planes)", n, loadmodel->brush.num_planes);
- out->plane = loadmodel->brush.data_planes + n;
- n = MSG_ReadLittleShort(sb);
- if (n >= 0)
- {
- if (n >= loadmodel->brushq1.numtexinfo)
- Host_Error("Mod_Q2BSP_LoadBrushSides: invalid texinfo index %i (%i texinfos)", n, loadmodel->brushq1.numtexinfo);
- out->texture = loadmodel->data_textures + loadmodel->brushq1.texinfo[n].textureindex;
- }
- else
- {
- //Con_Printf("Mod_Q2BSP_LoadBrushSides: brushside %i has texinfo index %i < 0, changing to generic texture!\n", i, n);
- out->texture = &mod_q1bsp_texture_solid;
- }
- }
- }
- static void Mod_Q2BSP_LoadBrushes(sizebuf_t *sb)
- {
- q3mbrush_t *out;
- int i, j, firstside, numsides, contents, count, maxplanes, q3surfaceflags, supercontents;
- colplanef_t *planes;
- int structsize = 12;
- qboolean brushmissingtextures;
- int numbrushesmissingtextures = 0;
- int numcreatedtextures = 0;
- if (sb->cursize % structsize)
- Host_Error("Mod_Q2BSP_LoadBrushes: funny lump size in %s",loadmodel->name);
- count = sb->cursize / structsize;
- out = (q3mbrush_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- loadmodel->brush.data_brushes = out;
- loadmodel->brush.num_brushes = count;
- maxplanes = 0;
- planes = NULL;
- for (i = 0; i < count; i++, out++)
- {
- firstside = MSG_ReadLittleLong(sb);
- numsides = MSG_ReadLittleLong(sb);
- contents = MSG_ReadLittleLong(sb);
- if (firstside < 0 || firstside + numsides > loadmodel->brush.num_brushsides)
- Host_Error("Mod_Q3BSP_LoadBrushes: invalid brushside range %i : %i (%i brushsides)", firstside, firstside + numsides, loadmodel->brush.num_brushsides);
- out->firstbrushside = loadmodel->brush.data_brushsides + firstside;
- out->numbrushsides = numsides;
- // convert the contents to our values
- supercontents = Mod_Q2BSP_SuperContentsFromNativeContents(contents);
- // problem: q2bsp brushes have contents but not a texture
- // problem: q2bsp brushsides *may* have a texture or may not
- // problem: all brushsides and brushes must have a texture for trace_hittexture functionality to work, and the collision code is engineered around this assumption
- // solution: nasty hacks
- brushmissingtextures = false;
- out->texture = NULL;
- for (j = 0; j < out->numbrushsides; j++)
- {
- if (out->firstbrushside[j].texture == &mod_q1bsp_texture_solid)
- brushmissingtextures = true;
- else
- {
- // if we can find a matching texture on a brush side we can use it instead of creating one
- if (out->firstbrushside[j].texture->supercontents == supercontents)
- out->texture = out->firstbrushside[j].texture;
- }
- }
- if (brushmissingtextures || out->texture == NULL)
- {
- numbrushesmissingtextures++;
- // if we didn't find any appropriate texture (matching contents), we'll have to create one
- // we could search earlier ones for a matching one but that can be slow
- if (out->texture == NULL)
- {
- texture_t *validtexture;
- validtexture = (texture_t *)Mem_Alloc(loadmodel->mempool, sizeof(texture_t));
- dpsnprintf(validtexture->name, sizeof(validtexture->name), "brushcollision%i", numcreatedtextures);
- validtexture->surfaceflags = 0;
- validtexture->supercontents = supercontents;
- numcreatedtextures++;
- out->texture = validtexture;
- }
- // out->texture now contains a texture with appropriate contents, copy onto any missing sides
- for (j = 0; j < out->numbrushsides; j++)
- if (out->firstbrushside[j].texture == &mod_q1bsp_texture_solid)
- out->firstbrushside[j].texture = out->texture;
- }
- // make a colbrush from the brush
- q3surfaceflags = 0;
- // make a list of mplane_t structs to construct a colbrush from
- if (maxplanes < out->numbrushsides)
- {
- maxplanes = out->numbrushsides;
- if (planes)
- Mem_Free(planes);
- planes = (colplanef_t *)Mem_Alloc(tempmempool, sizeof(colplanef_t) * maxplanes);
- }
- for (j = 0;j < out->numbrushsides;j++)
- {
- VectorCopy(out->firstbrushside[j].plane->normal, planes[j].normal);
- planes[j].dist = out->firstbrushside[j].plane->dist;
- planes[j].q3surfaceflags = out->firstbrushside[j].texture->surfaceflags;
- planes[j].texture = out->firstbrushside[j].texture;
- q3surfaceflags |= planes[j].q3surfaceflags;
- }
- out->colbrushf = Collision_NewBrushFromPlanes(loadmodel->mempool, out->numbrushsides, planes, out->texture->supercontents, q3surfaceflags, out->texture, true);
- // this whole loop can take a while (e.g. on redstarrepublic4)
- CL_KeepaliveMessage(false);
- }
- if (planes)
- Mem_Free(planes);
- if (numcreatedtextures)
- Con_DPrintf("Mod_Q2BSP_LoadBrushes: %i brushes own sides that lack textures or have differing contents from the brush, %i textures have been created to describe these contents.\n", numbrushesmissingtextures, numcreatedtextures);
- }
- static void Mod_Q2BSP_LoadPOP(sizebuf_t *sb)
- {
- // this is probably a "proof of purchase" lump of some sort, it seems to be 0 size in most bsp files (but not q2dm1.bsp for instance)
- sb->readcount = sb->cursize;
- }
- static void Mod_Q2BSP_LoadAreas(sizebuf_t *sb)
- {
- // we currently don't use areas, they represent closable doors as vis blockers
- sb->readcount = sb->cursize;
- }
- static void Mod_Q2BSP_LoadAreaPortals(sizebuf_t *sb)
- {
- // we currently don't use areas, they represent closable doors as vis blockers
- sb->readcount = sb->cursize;
- }
- static void Mod_Q2BSP_LoadSubmodels(sizebuf_t *sb)
- {
- mmodel_t *out;
- int i, count;
- int structsize = 48;
- if (sb->cursize % structsize)
- Host_Error ("Mod_Q2BSP_LoadSubmodels: funny lump size in %s", loadmodel->name);
- count = sb->cursize / structsize;
- out = (mmodel_t *)Mem_Alloc (loadmodel->mempool, count*sizeof(*out));
- loadmodel->brushq1.submodels = out;
- loadmodel->brush.numsubmodels = count;
- // this is identical to the q1 submodel structure except for having 1 hull
- for (i = 0; i < count; i++, out++)
- {
- // spread out the mins / maxs by a pixel
- out->mins[0] = MSG_ReadLittleFloat(sb) - 1;
- out->mins[1] = MSG_ReadLittleFloat(sb) - 1;
- out->mins[2] = MSG_ReadLittleFloat(sb) - 1;
- out->maxs[0] = MSG_ReadLittleFloat(sb) + 1;
- out->maxs[1] = MSG_ReadLittleFloat(sb) + 1;
- out->maxs[2] = MSG_ReadLittleFloat(sb) + 1;
- out->origin[0] = MSG_ReadLittleFloat(sb);
- out->origin[1] = MSG_ReadLittleFloat(sb);
- out->origin[2] = MSG_ReadLittleFloat(sb);
- out->headnode[0] = MSG_ReadLittleLong(sb);
- out->firstface = MSG_ReadLittleLong(sb);
- out->numfaces = MSG_ReadLittleLong(sb);
- }
- }
- static void Mod_Q2BSP_FindSubmodelBrushRange_r(dp_model_t *mod, mnode_t *node, int *first, int *last)
- {
- int i;
- mleaf_t *leaf;
- while (node->plane)
- {
- Mod_Q2BSP_FindSubmodelBrushRange_r(mod, node->children[0], first, last);
- node = node->children[1];
- }
- leaf = (mleaf_t*)node;
- for (i = 0;i < leaf->numleafbrushes;i++)
- {
- int brushnum = leaf->firstleafbrush[i];
- if (*first > brushnum)
- *first = brushnum;
- if (*last < brushnum)
- *last = brushnum;
- }
- }
- static void Mod_Q2BSP_Load(dp_model_t *mod, void *buffer, void *bufferend)
- {
- int i, j, k;
- sizebuf_t lumpsb[Q2HEADER_LUMPS];
- mmodel_t *bm;
- float dist, modelyawradius, modelradius;
- msurface_t *surface;
- int totalstylesurfaces, totalstyles, stylecounts[256], remapstyles[256];
- model_brush_lightstyleinfo_t styleinfo[256];
- unsigned char *datapointer;
- sizebuf_t sb;
- MSG_InitReadBuffer(&sb, (unsigned char *)buffer, (unsigned char *)bufferend - (unsigned char *)buffer);
- mod->type = mod_brushq2;
- mod->brush.ishlbsp = false;
- mod->brush.isbsp2rmqe = false;
- mod->brush.isbsp2 = false;
- mod->brush.isq2bsp = true; // q1bsp loaders mostly work but we need a few tweaks
- mod->brush.isq3bsp = false;
- mod->brush.skymasking = true;
- mod->modeldatatypestring = "Q2BSP";
- i = MSG_ReadLittleLong(&sb);
- if (i != Q2BSPMAGIC)
- Host_Error("Mod_Q2BSP_Load: %s has wrong version number (%i, should be %i)", mod->name, i, Q2BSPVERSION);
- i = MSG_ReadLittleLong(&sb);
- if (i != Q2BSPVERSION)
- Host_Error("Mod_Q2BSP_Load: %s has wrong version number (%i, should be %i)", mod->name, i, Q2BSPVERSION);
- // read lumps
- for (i = 0; i < Q2HEADER_LUMPS; i++)
- {
- int offset = MSG_ReadLittleLong(&sb);
- int size = MSG_ReadLittleLong(&sb);
- if (offset < 0 || offset + size > sb.cursize)
- Host_Error("Mod_Q2BSP_Load: %s has invalid lump %i (offset %i, size %i, file size %i)\n", mod->name, i, offset, size, (int)sb.cursize);
- MSG_InitReadBuffer(&lumpsb[i], sb.data + offset, size);
- }
- mod->soundfromcenter = true;
- mod->TracePoint = Mod_CollisionBIH_TracePoint;
- mod->TraceLine = Mod_CollisionBIH_TraceLine;
- mod->TraceBox = Mod_CollisionBIH_TraceBox;
- mod->TraceBrush = Mod_CollisionBIH_TraceBrush;
- mod->PointSuperContents = Mod_CollisionBIH_PointSuperContents;
- mod->TraceLineAgainstSurfaces = Mod_CollisionBIH_TraceLine;
- mod->brush.TraceLineOfSight = Mod_Q3BSP_TraceLineOfSight;
- mod->brush.SuperContentsFromNativeContents = Mod_Q2BSP_SuperContentsFromNativeContents;
- mod->brush.NativeContentsFromSuperContents = Mod_Q2BSP_NativeContentsFromSuperContents;
- mod->brush.GetPVS = Mod_Q1BSP_GetPVS;
- mod->brush.FatPVS = Mod_Q1BSP_FatPVS;
- mod->brush.BoxTouchingPVS = Mod_Q1BSP_BoxTouchingPVS;
- mod->brush.BoxTouchingLeafPVS = Mod_Q1BSP_BoxTouchingLeafPVS;
- mod->brush.BoxTouchingVisibleLeafs = Mod_Q1BSP_BoxTouchingVisibleLeafs;
- mod->brush.FindBoxClusters = Mod_Q1BSP_FindBoxClusters;
- mod->brush.LightPoint = Mod_Q1BSP_LightPoint;
- mod->brush.FindNonSolidLocation = Mod_Q1BSP_FindNonSolidLocation;
- mod->brush.AmbientSoundLevelsForPoint = NULL;
- mod->brush.RoundUpToHullSize = NULL;
- mod->brush.PointInLeaf = Mod_Q1BSP_PointInLeaf;
- mod->Draw = R_Q1BSP_Draw;
- mod->DrawDepth = R_Q1BSP_DrawDepth;
- mod->DrawDebug = R_Q1BSP_DrawDebug;
- mod->DrawPrepass = R_Q1BSP_DrawPrepass;
- mod->GetLightInfo = R_Q1BSP_GetLightInfo;
- mod->CompileShadowMap = R_Q1BSP_CompileShadowMap;
- mod->DrawShadowMap = R_Q1BSP_DrawShadowMap;
- mod->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
- mod->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
- mod->DrawLight = R_Q1BSP_DrawLight;
- // load into heap
- mod->brush.qw_md4sum = 0;
- mod->brush.qw_md4sum2 = 0;
- for (i = 0;i < Q2HEADER_LUMPS;i++)
- {
- int temp;
- if (i == Q2LUMP_ENTITIES)
- continue;
- temp = Com_BlockChecksum(lumpsb[i].data, lumpsb[i].cursize);
- mod->brush.qw_md4sum ^= LittleLong(temp);
- if (i == Q2LUMP_VISIBILITY || i == Q2LUMP_LEAFS || i == Q2LUMP_NODES)
- continue;
- mod->brush.qw_md4sum2 ^= LittleLong(temp);
- }
- // many of these functions are identical to Q1 loaders, so we use those where possible
- Mod_Q1BSP_LoadEntities(&lumpsb[Q2LUMP_ENTITIES]);
- Mod_Q1BSP_LoadVertexes(&lumpsb[Q2LUMP_VERTEXES]);
- Mod_Q1BSP_LoadEdges(&lumpsb[Q2LUMP_EDGES]);
- Mod_Q1BSP_LoadSurfedges(&lumpsb[Q2LUMP_SURFEDGES]);
- Mod_Q2BSP_LoadLighting(&lumpsb[Q2LUMP_LIGHTING]);
- Mod_Q1BSP_LoadPlanes(&lumpsb[Q2LUMP_PLANES]);
- Mod_Q2BSP_LoadTexinfo(&lumpsb[Q2LUMP_TEXINFO]);
- Mod_Q2BSP_LoadBrushSides(&lumpsb[Q2LUMP_BRUSHSIDES]);
- Mod_Q2BSP_LoadBrushes(&lumpsb[Q2LUMP_BRUSHES]);
- Mod_Q1BSP_LoadFaces(&lumpsb[Q2LUMP_FACES]);
- Mod_Q1BSP_LoadLeaffaces(&lumpsb[Q2LUMP_LEAFFACES]);
- Mod_Q2BSP_LoadLeafBrushes(&lumpsb[Q2LUMP_LEAFBRUSHES]);
- Mod_Q2BSP_LoadVisibility(&lumpsb[Q2LUMP_VISIBILITY]);
- Mod_Q2BSP_LoadPOP(&lumpsb[Q2LUMP_POP]);
- Mod_Q2BSP_LoadAreas(&lumpsb[Q2LUMP_AREAS]);
- Mod_Q2BSP_LoadAreaPortals(&lumpsb[Q2LUMP_AREAPORTALS]);
- Mod_Q2BSP_LoadLeafs(&lumpsb[Q2LUMP_LEAFS]);
- Mod_Q2BSP_LoadNodes(&lumpsb[Q2LUMP_NODES]);
- Mod_Q2BSP_LoadSubmodels(&lumpsb[Q2LUMP_MODELS]);
- for (i = 0; i < Q2HEADER_LUMPS; i++)
- if (lumpsb[i].readcount != lumpsb[i].cursize)
- Host_Error("Lump %i incorrectly loaded (readcount %i, size %i)\n", i, lumpsb[i].readcount, lumpsb[i].cursize);
- // we don't actually set MATERIALFLAG_WATERALPHA on anything, so this
- // doesn't enable the cvar, just indicates that transparent water is OK
- loadmodel->brush.supportwateralpha = true;
- // we don't need the compressed pvs data anymore
- if (mod->brushq1.data_compressedpvs)
- Mem_Free(mod->brushq1.data_compressedpvs);
- mod->brushq1.data_compressedpvs = NULL;
- mod->brushq1.num_compressedpvs = 0;
- // the MakePortals code works fine on the q2bsp data as well
- if (mod_bsp_portalize.integer)
- Mod_Q1BSP_MakePortals();
- mod->numframes = 0; // q2bsp animations are kind of special, frame is unbounded...
- mod->numskins = 1;
- // make a single combined shadow mesh to allow optimized shadow volume creation
- Mod_Q1BSP_CreateShadowMesh(loadmodel);
- if (loadmodel->brush.numsubmodels)
- loadmodel->brush.submodels = (dp_model_t **)Mem_Alloc(loadmodel->mempool, loadmodel->brush.numsubmodels * sizeof(dp_model_t *));
- totalstylesurfaces = 0;
- totalstyles = 0;
- for (i = 0;i < mod->brush.numsubmodels;i++)
- {
- memset(stylecounts, 0, sizeof(stylecounts));
- for (k = 0;k < mod->brushq1.submodels[i].numfaces;k++)
- {
- surface = mod->data_surfaces + mod->brushq1.submodels[i].firstface + k;
- for (j = 0;j < MAXLIGHTMAPS;j++)
- stylecounts[surface->lightmapinfo->styles[j]]++;
- }
- for (k = 0;k < 255;k++)
- {
- totalstyles++;
- if (stylecounts[k])
- totalstylesurfaces += stylecounts[k];
- }
- }
- datapointer = (unsigned char *)Mem_Alloc(mod->mempool, mod->num_surfaces * sizeof(int) + totalstyles * sizeof(model_brush_lightstyleinfo_t) + totalstylesurfaces * sizeof(int *));
- // set up the world model, then on each submodel copy from the world model
- // and set up the submodel with the respective model info.
- mod = loadmodel;
- for (i = 0;i < loadmodel->brush.numsubmodels;i++)
- {
- mnode_t *rootnode = NULL;
- int firstbrush = loadmodel->brush.num_brushes, lastbrush = 0;
- if (i > 0)
- {
- char name[10];
- // duplicate the basic information
- dpsnprintf(name, sizeof(name), "*%i", i);
- mod = Mod_FindName(name, loadmodel->name);
- // copy the base model to this one
- *mod = *loadmodel;
- // rename the clone back to its proper name
- strlcpy(mod->name, name, sizeof(mod->name));
- mod->brush.parentmodel = loadmodel;
- // textures and memory belong to the main model
- mod->texturepool = NULL;
- mod->mempool = NULL;
- mod->brush.GetPVS = NULL;
- mod->brush.FatPVS = NULL;
- mod->brush.BoxTouchingPVS = NULL;
- mod->brush.BoxTouchingLeafPVS = NULL;
- mod->brush.BoxTouchingVisibleLeafs = NULL;
- mod->brush.FindBoxClusters = NULL;
- mod->brush.LightPoint = NULL;
- mod->brush.AmbientSoundLevelsForPoint = NULL;
- }
- mod->brush.submodel = i;
- if (loadmodel->brush.submodels)
- loadmodel->brush.submodels[i] = mod;
- bm = &mod->brushq1.submodels[i];
- // we store the headnode (there's only one in Q2BSP) as if it were the first hull
- mod->brushq1.hulls[0].firstclipnode = bm->headnode[0];
- mod->firstmodelsurface = bm->firstface;
- mod->nummodelsurfaces = bm->numfaces;
- // set node/leaf parents for this submodel
- // note: if the root of this submodel is a leaf (headnode[0] < 0) then there is nothing to do...
- // (this happens in base3.bsp)
- if (bm->headnode[0] >= 0)
- rootnode = mod->brush.data_nodes + bm->headnode[0];
- else
- rootnode = (mnode_t*)(mod->brush.data_leafs + -1 - bm->headnode[0]);
- Mod_Q1BSP_LoadNodes_RecursiveSetParent(rootnode, NULL);
- // make the model surface list (used by shadowing/lighting)
- mod->sortedmodelsurfaces = (int *)datapointer;datapointer += mod->nummodelsurfaces * sizeof(int);
- Mod_Q2BSP_FindSubmodelBrushRange_r(mod, rootnode, &firstbrush, &lastbrush);
- if (firstbrush <= lastbrush)
- {
- mod->firstmodelbrush = firstbrush;
- mod->nummodelbrushes = lastbrush + 1 - firstbrush;
- }
- else
- {
- mod->firstmodelbrush = 0;
- mod->nummodelbrushes = 0;
- }
- Mod_MakeSortedSurfaces(mod);
- VectorCopy(bm->mins, mod->normalmins);
- VectorCopy(bm->maxs, mod->normalmaxs);
- dist = max(fabs(mod->normalmins[0]), fabs(mod->normalmaxs[0]));
- modelyawradius = max(fabs(mod->normalmins[1]), fabs(mod->normalmaxs[1]));
- modelyawradius = dist*dist+modelyawradius*modelyawradius;
- modelradius = max(fabs(mod->normalmins[2]), fabs(mod->normalmaxs[2]));
- modelradius = modelyawradius + modelradius * modelradius;
- modelyawradius = sqrt(modelyawradius);
- modelradius = sqrt(modelradius);
- mod->yawmins[0] = mod->yawmins[1] = -modelyawradius;
- mod->yawmins[2] = mod->normalmins[2];
- mod->yawmaxs[0] = mod->yawmaxs[1] = modelyawradius;
- mod->yawmaxs[2] = mod->normalmaxs[2];
- mod->rotatedmins[0] = mod->rotatedmins[1] = mod->rotatedmins[2] = -modelradius;
- mod->rotatedmaxs[0] = mod->rotatedmaxs[1] = mod->rotatedmaxs[2] = modelradius;
- mod->radius = modelradius;
- mod->radius2 = modelradius * modelradius;
- // this gets altered below if sky or water is used
- mod->DrawSky = NULL;
- mod->DrawAddWaterPlanes = NULL;
- // scan surfaces for sky and water and flag the submodel as possessing these features or not
- // build lightstyle lists for quick marking of dirty lightmaps when lightstyles flicker
- if (mod->nummodelsurfaces)
- {
- for (j = 0, surface = &mod->data_surfaces[mod->firstmodelsurface];j < mod->nummodelsurfaces;j++, surface++)
- if (surface->texture->basematerialflags & MATERIALFLAG_SKY)
- break;
- if (j < mod->nummodelsurfaces)
- mod->DrawSky = R_Q1BSP_DrawSky;
- for (j = 0, surface = &mod->data_surfaces[mod->firstmodelsurface];j < mod->nummodelsurfaces;j++, surface++)
- if (surface->texture->basematerialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_REFLECTION | MATERIALFLAG_CAMERA))
- break;
- if (j < mod->nummodelsurfaces)
- mod->DrawAddWaterPlanes = R_Q1BSP_DrawAddWaterPlanes;
- // build lightstyle update chains
- // (used to rapidly mark lightmapupdateflags on many surfaces
- // when d_lightstylevalue changes)
- memset(stylecounts, 0, sizeof(stylecounts));
- for (k = 0;k < mod->nummodelsurfaces;k++)
- {
- surface = mod->data_surfaces + mod->firstmodelsurface + k;
- for (j = 0;j < MAXLIGHTMAPS;j++)
- stylecounts[surface->lightmapinfo->styles[j]]++;
- }
- mod->brushq1.num_lightstyles = 0;
- for (k = 0;k < 255;k++)
- {
- if (stylecounts[k])
- {
- styleinfo[mod->brushq1.num_lightstyles].style = k;
- styleinfo[mod->brushq1.num_lightstyles].value = 0;
- styleinfo[mod->brushq1.num_lightstyles].numsurfaces = 0;
- styleinfo[mod->brushq1.num_lightstyles].surfacelist = (int *)datapointer;datapointer += stylecounts[k] * sizeof(int);
- remapstyles[k] = mod->brushq1.num_lightstyles;
- mod->brushq1.num_lightstyles++;
- }
- }
- for (k = 0;k < mod->nummodelsurfaces;k++)
- {
- surface = mod->data_surfaces + mod->firstmodelsurface + k;
- for (j = 0;j < MAXLIGHTMAPS;j++)
- {
- if (surface->lightmapinfo->styles[j] != 255)
- {
- int r = remapstyles[surface->lightmapinfo->styles[j]];
- styleinfo[r].surfacelist[styleinfo[r].numsurfaces++] = mod->firstmodelsurface + k;
- }
- }
- }
- mod->brushq1.data_lightstyleinfo = (model_brush_lightstyleinfo_t *)datapointer;datapointer += mod->brushq1.num_lightstyles * sizeof(model_brush_lightstyleinfo_t);
- memcpy(mod->brushq1.data_lightstyleinfo, styleinfo, mod->brushq1.num_lightstyles * sizeof(model_brush_lightstyleinfo_t));
- }
- else
- {
- Con_Printf("warning: empty submodel *%i in %s\n", i+1, loadmodel->name);
- }
- //mod->brushq1.num_visleafs = bm->visleafs;
- // build a Bounding Interval Hierarchy for culling triangles in light rendering
- Mod_MakeCollisionBIH(mod, false, &mod->collision_bih);
- // build a Bounding Interval Hierarchy for culling brushes in collision detection
- Mod_MakeCollisionBIH(mod, true, &mod->render_bih);
- // generate VBOs and other shared data before cloning submodels
- if (i == 0)
- Mod_BuildVBOs();
- }
- mod = loadmodel;
- Con_DPrintf("Stats for q2bsp model \"%s\": %i faces, %i nodes, %i leafs, %i clusters, %i clusterportals, mesh: %i vertices, %i triangles, %i surfaces\n", loadmodel->name, loadmodel->num_surfaces, loadmodel->brush.num_nodes, loadmodel->brush.num_leafs, mod->brush.num_pvsclusters, loadmodel->brush.num_portals, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->num_surfaces);
- }
- static int Mod_Q3BSP_SuperContentsFromNativeContents(int nativecontents);
- static int Mod_Q3BSP_NativeContentsFromSuperContents(int supercontents);
- static void Mod_Q3BSP_LoadEntities(lump_t *l)
- {
- const char *data;
- char key[128], value[MAX_INPUTLINE];
- float v[3];
- loadmodel->brushq3.num_lightgrid_cellsize[0] = 64;
- loadmodel->brushq3.num_lightgrid_cellsize[1] = 64;
- loadmodel->brushq3.num_lightgrid_cellsize[2] = 128;
- if (!l->filelen)
- return;
- loadmodel->brush.entities = (char *)Mem_Alloc(loadmodel->mempool, l->filelen + 1);
- memcpy(loadmodel->brush.entities, mod_base + l->fileofs, l->filelen);
- loadmodel->brush.entities[l->filelen] = 0;
- data = loadmodel->brush.entities;
- // some Q3 maps override the lightgrid_cellsize with a worldspawn key
- // VorteX: q3map2 FS-R generates tangentspace deluxemaps for q3bsp and sets 'deluxeMaps' key
- loadmodel->brushq3.deluxemapping = false;
- if (data && COM_ParseToken_Simple(&data, false, false, true) && com_token[0] == '{')
- {
- while (1)
- {
- if (!COM_ParseToken_Simple(&data, false, false, true))
- break; // error
- if (com_token[0] == '}')
- break; // end of worldspawn
- if (com_token[0] == '_')
- strlcpy(key, com_token + 1, sizeof(key));
- else
- strlcpy(key, com_token, sizeof(key));
- while (key[strlen(key)-1] == ' ') // remove trailing spaces
- key[strlen(key)-1] = 0;
- if (!COM_ParseToken_Simple(&data, false, false, true))
- break; // error
- strlcpy(value, com_token, sizeof(value));
- if (!strcasecmp("gridsize", key)) // this one is case insensitive to 100% match q3map2
- {
- #if _MSC_VER >= 1400
- #define sscanf sscanf_s
- #endif
- #if 0
- if (sscanf(value, "%f %f %f", &v[0], &v[1], &v[2]) == 3 && v[0] != 0 && v[1] != 0 && v[2] != 0)
- VectorCopy(v, loadmodel->brushq3.num_lightgrid_cellsize);
- #else
- VectorSet(v, 64, 64, 128);
- if(sscanf(value, "%f %f %f", &v[0], &v[1], &v[2]) != 3)
- Con_Printf("Mod_Q3BSP_LoadEntities: funny gridsize \"%s\" in %s, interpreting as \"%f %f %f\" to match q3map2's parsing\n", value, loadmodel->name, v[0], v[1], v[2]);
- if (v[0] != 0 && v[1] != 0 && v[2] != 0)
- VectorCopy(v, loadmodel->brushq3.num_lightgrid_cellsize);
- #endif
- }
- else if (!strcmp("deluxeMaps", key))
- {
- if (!strcmp(com_token, "1"))
- {
- loadmodel->brushq3.deluxemapping = true;
- loadmodel->brushq3.deluxemapping_modelspace = true;
- }
- else if (!strcmp(com_token, "2"))
- {
- loadmodel->brushq3.deluxemapping = true;
- loadmodel->brushq3.deluxemapping_modelspace = false;
- }
- }
- }
- }
- }
- static void Mod_Q3BSP_LoadTextures(lump_t *l)
- {
- q3dtexture_t *in;
- texture_t *out;
- int i, count;
- in = (q3dtexture_t *)(mod_base + l->fileofs);
- if (l->filelen % sizeof(*in))
- Host_Error("Mod_Q3BSP_LoadTextures: funny lump size in %s",loadmodel->name);
- count = l->filelen / sizeof(*in);
- out = (texture_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- loadmodel->data_textures = out;
- loadmodel->num_textures = count;
- loadmodel->num_texturesperskin = loadmodel->num_textures;
- for (i = 0;i < count;i++)
- {
- out[i].surfaceflags = LittleLong(in[i].surfaceflags);
- out[i].supercontents = Mod_Q3BSP_SuperContentsFromNativeContents(LittleLong(in[i].contents));
- Mod_LoadTextureFromQ3Shader(out + i, in[i].name, true, true, TEXF_MIPMAP | TEXF_ISWORLD | TEXF_PICMIP | TEXF_COMPRESS);
- // restore the surfaceflags and supercontents
- out[i].surfaceflags = LittleLong(in[i].surfaceflags);
- out[i].supercontents = Mod_Q3BSP_SuperContentsFromNativeContents(LittleLong(in[i].contents));
- }
- }
- static void Mod_Q3BSP_LoadPlanes(lump_t *l)
- {
- q3dplane_t *in;
- mplane_t *out;
- int i, count;
- in = (q3dplane_t *)(mod_base + l->fileofs);
- if (l->filelen % sizeof(*in))
- Host_Error("Mod_Q3BSP_LoadPlanes: funny lump size in %s",loadmodel->name);
- count = l->filelen / sizeof(*in);
- out = (mplane_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- loadmodel->brush.data_planes = out;
- loadmodel->brush.num_planes = count;
- for (i = 0;i < count;i++, in++, out++)
- {
- out->normal[0] = LittleFloat(in->normal[0]);
- out->normal[1] = LittleFloat(in->normal[1]);
- out->normal[2] = LittleFloat(in->normal[2]);
- out->dist = LittleFloat(in->dist);
- PlaneClassify(out);
- }
- }
- static void Mod_Q3BSP_LoadBrushSides(lump_t *l)
- {
- q3dbrushside_t *in;
- q3mbrushside_t *out;
- int i, n, count;
- in = (q3dbrushside_t *)(mod_base + l->fileofs);
- if (l->filelen % sizeof(*in))
- Host_Error("Mod_Q3BSP_LoadBrushSides: funny lump size in %s",loadmodel->name);
- count = l->filelen / sizeof(*in);
- out = (q3mbrushside_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- loadmodel->brush.data_brushsides = out;
- loadmodel->brush.num_brushsides = count;
- for (i = 0;i < count;i++, in++, out++)
- {
- n = LittleLong(in->planeindex);
- if (n < 0 || n >= loadmodel->brush.num_planes)
- Host_Error("Mod_Q3BSP_LoadBrushSides: invalid planeindex %i (%i planes)", n, loadmodel->brush.num_planes);
- out->plane = loadmodel->brush.data_planes + n;
- n = LittleLong(in->textureindex);
- if (n < 0 || n >= loadmodel->num_textures)
- Host_Error("Mod_Q3BSP_LoadBrushSides: invalid textureindex %i (%i textures)", n, loadmodel->num_textures);
- out->texture = loadmodel->data_textures + n;
- }
- }
- static void Mod_Q3BSP_LoadBrushSides_IG(lump_t *l)
- {
- q3dbrushside_ig_t *in;
- q3mbrushside_t *out;
- int i, n, count;
- in = (q3dbrushside_ig_t *)(mod_base + l->fileofs);
- if (l->filelen % sizeof(*in))
- Host_Error("Mod_Q3BSP_LoadBrushSides: funny lump size in %s",loadmodel->name);
- count = l->filelen / sizeof(*in);
- out = (q3mbrushside_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- loadmodel->brush.data_brushsides = out;
- loadmodel->brush.num_brushsides = count;
- for (i = 0;i < count;i++, in++, out++)
- {
- n = LittleLong(in->planeindex);
- if (n < 0 || n >= loadmodel->brush.num_planes)
- Host_Error("Mod_Q3BSP_LoadBrushSides: invalid planeindex %i (%i planes)", n, loadmodel->brush.num_planes);
- out->plane = loadmodel->brush.data_planes + n;
- n = LittleLong(in->textureindex);
- if (n < 0 || n >= loadmodel->num_textures)
- Host_Error("Mod_Q3BSP_LoadBrushSides: invalid textureindex %i (%i textures)", n, loadmodel->num_textures);
- out->texture = loadmodel->data_textures + n;
- }
- }
- static void Mod_Q3BSP_LoadBrushes(lump_t *l)
- {
- q3dbrush_t *in;
- q3mbrush_t *out;
- int i, j, n, c, count, maxplanes, q3surfaceflags;
- colplanef_t *planes;
- in = (q3dbrush_t *)(mod_base + l->fileofs);
- if (l->filelen % sizeof(*in))
- Host_Error("Mod_Q3BSP_LoadBrushes: funny lump size in %s",loadmodel->name);
- count = l->filelen / sizeof(*in);
- out = (q3mbrush_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- loadmodel->brush.data_brushes = out;
- loadmodel->brush.num_brushes = count;
- maxplanes = 0;
- planes = NULL;
- for (i = 0;i < count;i++, in++, out++)
- {
- n = LittleLong(in->firstbrushside);
- c = LittleLong(in->numbrushsides);
- if (n < 0 || n + c > loadmodel->brush.num_brushsides)
- Host_Error("Mod_Q3BSP_LoadBrushes: invalid brushside range %i : %i (%i brushsides)", n, n + c, loadmodel->brush.num_brushsides);
- out->firstbrushside = loadmodel->brush.data_brushsides + n;
- out->numbrushsides = c;
- n = LittleLong(in->textureindex);
- if (n < 0 || n >= loadmodel->num_textures)
- Host_Error("Mod_Q3BSP_LoadBrushes: invalid textureindex %i (%i textures)", n, loadmodel->num_textures);
- out->texture = loadmodel->data_textures + n;
- // make a list of mplane_t structs to construct a colbrush from
- if (maxplanes < out->numbrushsides)
- {
- maxplanes = out->numbrushsides;
- if (planes)
- Mem_Free(planes);
- planes = (colplanef_t *)Mem_Alloc(tempmempool, sizeof(colplanef_t) * maxplanes);
- }
- q3surfaceflags = 0;
- for (j = 0;j < out->numbrushsides;j++)
- {
- VectorCopy(out->firstbrushside[j].plane->normal, planes[j].normal);
- planes[j].dist = out->firstbrushside[j].plane->dist;
- planes[j].q3surfaceflags = out->firstbrushside[j].texture->surfaceflags;
- planes[j].texture = out->firstbrushside[j].texture;
- q3surfaceflags |= planes[j].q3surfaceflags;
- }
- // make the colbrush from the planes
- out->colbrushf = Collision_NewBrushFromPlanes(loadmodel->mempool, out->numbrushsides, planes, out->texture->supercontents, q3surfaceflags, out->texture, true);
- // this whole loop can take a while (e.g. on redstarrepublic4)
- CL_KeepaliveMessage(false);
- }
- if (planes)
- Mem_Free(planes);
- }
- static void Mod_Q3BSP_LoadEffects(lump_t *l)
- {
- q3deffect_t *in;
- q3deffect_t *out;
- int i, n, count;
- in = (q3deffect_t *)(mod_base + l->fileofs);
- if (l->filelen % sizeof(*in))
- Host_Error("Mod_Q3BSP_LoadEffects: funny lump size in %s",loadmodel->name);
- count = l->filelen / sizeof(*in);
- out = (q3deffect_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- loadmodel->brushq3.data_effects = out;
- loadmodel->brushq3.num_effects = count;
- for (i = 0;i < count;i++, in++, out++)
- {
- strlcpy (out->shadername, in->shadername, sizeof (out->shadername));
- n = LittleLong(in->brushindex);
- if (n >= loadmodel->brush.num_brushes)
- {
- Con_Printf("Mod_Q3BSP_LoadEffects: invalid brushindex %i (%i brushes), setting to -1\n", n, loadmodel->brush.num_brushes);
- n = -1;
- }
- out->brushindex = n;
- out->unknown = LittleLong(in->unknown);
- }
- }
- static void Mod_Q3BSP_LoadVertices(lump_t *l)
- {
- q3dvertex_t *in;
- int i, count;
- in = (q3dvertex_t *)(mod_base + l->fileofs);
- if (l->filelen % sizeof(*in))
- Host_Error("Mod_Q3BSP_LoadVertices: funny lump size in %s",loadmodel->name);
- loadmodel->brushq3.num_vertices = count = l->filelen / sizeof(*in);
- loadmodel->brushq3.data_vertex3f = (float *)Mem_Alloc(loadmodel->mempool, count * (sizeof(float) * (3 + 3 + 2 + 2 + 4)));
- loadmodel->brushq3.data_normal3f = loadmodel->brushq3.data_vertex3f + count * 3;
- loadmodel->brushq3.data_texcoordtexture2f = loadmodel->brushq3.data_normal3f + count * 3;
- loadmodel->brushq3.data_texcoordlightmap2f = loadmodel->brushq3.data_texcoordtexture2f + count * 2;
- loadmodel->brushq3.data_color4f = loadmodel->brushq3.data_texcoordlightmap2f + count * 2;
- for (i = 0;i < count;i++, in++)
- {
- loadmodel->brushq3.data_vertex3f[i * 3 + 0] = LittleFloat(in->origin3f[0]);
- loadmodel->brushq3.data_vertex3f[i * 3 + 1] = LittleFloat(in->origin3f[1]);
- loadmodel->brushq3.data_vertex3f[i * 3 + 2] = LittleFloat(in->origin3f[2]);
- loadmodel->brushq3.data_normal3f[i * 3 + 0] = LittleFloat(in->normal3f[0]);
- loadmodel->brushq3.data_normal3f[i * 3 + 1] = LittleFloat(in->normal3f[1]);
- loadmodel->brushq3.data_normal3f[i * 3 + 2] = LittleFloat(in->normal3f[2]);
- loadmodel->brushq3.data_texcoordtexture2f[i * 2 + 0] = LittleFloat(in->texcoord2f[0]);
- loadmodel->brushq3.data_texcoordtexture2f[i * 2 + 1] = LittleFloat(in->texcoord2f[1]);
- loadmodel->brushq3.data_texcoordlightmap2f[i * 2 + 0] = LittleFloat(in->lightmap2f[0]);
- loadmodel->brushq3.data_texcoordlightmap2f[i * 2 + 1] = LittleFloat(in->lightmap2f[1]);
- // svector/tvector are calculated later in face loading
- if(mod_q3bsp_sRGBlightmaps.integer)
- {
- // if lightmaps are sRGB, vertex colors are sRGB too, so we need to linearize them
- // note: when this is in use, lightmap color 128 is no longer neutral, but "sRGB half power" is
- // working like this may be odd, but matches q3map2 -gamma 2.2
- if(vid_sRGB.integer && vid_sRGB_fallback.integer && !vid.sRGB3D)
- {
- loadmodel->brushq3.data_color4f[i * 4 + 0] = in->color4ub[0] * (1.0f / 255.0f);
- loadmodel->brushq3.data_color4f[i * 4 + 1] = in->color4ub[1] * (1.0f / 255.0f);
- loadmodel->brushq3.data_color4f[i * 4 + 2] = in->color4ub[2] * (1.0f / 255.0f);
- // we fix the brightness consistently via lightmapscale
- }
- else
- {
- loadmodel->brushq3.data_color4f[i * 4 + 0] = Image_LinearFloatFromsRGB(in->color4ub[0]);
- loadmodel->brushq3.data_color4f[i * 4 + 1] = Image_LinearFloatFromsRGB(in->color4ub[1]);
- loadmodel->brushq3.data_color4f[i * 4 + 2] = Image_LinearFloatFromsRGB(in->color4ub[2]);
- }
- }
- else
- {
- if(vid_sRGB.integer && vid_sRGB_fallback.integer && !vid.sRGB3D)
- {
- loadmodel->brushq3.data_color4f[i * 4 + 0] = Image_sRGBFloatFromLinear_Lightmap(in->color4ub[0]);
- loadmodel->brushq3.data_color4f[i * 4 + 1] = Image_sRGBFloatFromLinear_Lightmap(in->color4ub[1]);
- loadmodel->brushq3.data_color4f[i * 4 + 2] = Image_sRGBFloatFromLinear_Lightmap(in->color4ub[2]);
- }
- else
- {
- loadmodel->brushq3.data_color4f[i * 4 + 0] = in->color4ub[0] * (1.0f / 255.0f);
- loadmodel->brushq3.data_color4f[i * 4 + 1] = in->color4ub[1] * (1.0f / 255.0f);
- loadmodel->brushq3.data_color4f[i * 4 + 2] = in->color4ub[2] * (1.0f / 255.0f);
- }
- }
- loadmodel->brushq3.data_color4f[i * 4 + 3] = in->color4ub[3] * (1.0f / 255.0f);
- if(in->color4ub[0] != 255 || in->color4ub[1] != 255 || in->color4ub[2] != 255)
- loadmodel->lit = true;
- }
- }
- static void Mod_Q3BSP_LoadTriangles(lump_t *l)
- {
- int *in;
- int *out;
- int i, count;
- in = (int *)(mod_base + l->fileofs);
- if (l->filelen % sizeof(int[3]))
- Host_Error("Mod_Q3BSP_LoadTriangles: funny lump size in %s",loadmodel->name);
- count = l->filelen / sizeof(*in);
- if(!loadmodel->brushq3.num_vertices)
- {
- if (count)
- Con_Printf("Mod_Q3BSP_LoadTriangles: %s has triangles but no vertexes, broken compiler, ignoring problem\n", loadmodel->name);
- loadmodel->brushq3.num_triangles = 0;
- return;
- }
- out = (int *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- loadmodel->brushq3.num_triangles = count / 3;
- loadmodel->brushq3.data_element3i = out;
- for (i = 0;i < count;i++, in++, out++)
- {
- *out = LittleLong(*in);
- if (*out < 0 || *out >= loadmodel->brushq3.num_vertices)
- {
- Con_Printf("Mod_Q3BSP_LoadTriangles: invalid vertexindex %i (%i vertices), setting to 0\n", *out, loadmodel->brushq3.num_vertices);
- *out = 0;
- }
- }
- }
- static void Mod_Q3BSP_LoadLightmaps(lump_t *l, lump_t *faceslump)
- {
- q3dlightmap_t *input_pointer;
- int i;
- int j;
- int k;
- int count;
- int powerx;
- int powery;
- int powerxy;
- int powerdxy;
- int endlightmap;
- int mergegoal;
- int lightmapindex;
- int realcount;
- int realindex;
- int mergedwidth;
- int mergedheight;
- int mergedcolumns;
- int mergedrows;
- int mergedrowsxcolumns;
- int size;
- int bytesperpixel;
- int rgbmap[3];
- unsigned char *c;
- unsigned char *mergedpixels;
- unsigned char *mergeddeluxepixels;
- unsigned char *mergebuf;
- char mapname[MAX_QPATH];
- qboolean external;
- unsigned char *inpixels[10000]; // max count q3map2 can output (it uses 4 digits)
- char vabuf[1024];
- // defaults for q3bsp
- size = 128;
- bytesperpixel = 3;
- rgbmap[0] = 2;
- rgbmap[1] = 1;
- rgbmap[2] = 0;
- external = false;
- loadmodel->brushq3.lightmapsize = 128;
- if (cls.state == ca_dedicated)
- return;
- if(mod_q3bsp_nolightmaps.integer)
- {
- return;
- }
- else if(l->filelen)
- {
- // prefer internal LMs for compatibility (a BSP contains no info on whether external LMs exist)
- if (developer_loading.integer)
- Con_Printf("Using internal lightmaps\n");
- input_pointer = (q3dlightmap_t *)(mod_base + l->fileofs);
- if (l->filelen % sizeof(*input_pointer))
- Host_Error("Mod_Q3BSP_LoadLightmaps: funny lump size in %s",loadmodel->name);
- count = l->filelen / sizeof(*input_pointer);
- for(i = 0; i < count; ++i)
- inpixels[i] = input_pointer[i].rgb;
- }
- else
- {
- // no internal lightmaps
- // try external lightmaps
- if (developer_loading.integer)
- Con_Printf("Using external lightmaps\n");
- FS_StripExtension(loadmodel->name, mapname, sizeof(mapname));
- inpixels[0] = loadimagepixelsbgra(va(vabuf, sizeof(vabuf), "%s/lm_%04d", mapname, 0), false, false, false, NULL);
- if(!inpixels[0])
- return;
- // using EXTERNAL lightmaps instead
- if(image_width != (int) CeilPowerOf2(image_width) || image_width != image_height)
- {
- Mem_Free(inpixels[0]);
- Host_Error("Mod_Q3BSP_LoadLightmaps: invalid external lightmap size in %s",loadmodel->name);
- }
- size = image_width;
- bytesperpixel = 4;
- rgbmap[0] = 0;
- rgbmap[1] = 1;
- rgbmap[2] = 2;
- external = true;
- for(count = 1; ; ++count)
- {
- inpixels[count] = loadimagepixelsbgra(va(vabuf, sizeof(vabuf), "%s/lm_%04d", mapname, count), false, false, false, NULL);
- if(!inpixels[count])
- break; // we got all of them
- if(image_width != size || image_height != size)
- {
- Mem_Free(inpixels[count]);
- inpixels[count] = NULL;
- Con_Printf("Mod_Q3BSP_LoadLightmaps: mismatched lightmap size in %s - external lightmap %s/lm_%04d does not match earlier ones\n", loadmodel->name, mapname, count);
- break;
- }
- }
- }
- loadmodel->brushq3.lightmapsize = size;
- loadmodel->brushq3.num_originallightmaps = count;
- // now check the surfaces to see if any of them index an odd numbered
- // lightmap, if so this is not a deluxemapped bsp file
- //
- // also check what lightmaps are actually used, because q3map2 sometimes
- // (always?) makes an unused one at the end, which
- // q3map2 sometimes (or always?) makes a second blank lightmap for no
- // reason when only one lightmap is used, which can throw off the
- // deluxemapping detection method, so check 2-lightmap bsp's specifically
- // to see if the second lightmap is blank, if so it is not deluxemapped.
- // VorteX: autodetect only if previous attempt to find "deluxeMaps" key
- // in Mod_Q3BSP_LoadEntities was failed
- if (!loadmodel->brushq3.deluxemapping)
- {
- loadmodel->brushq3.deluxemapping = !(count & 1);
- loadmodel->brushq3.deluxemapping_modelspace = true;
- endlightmap = 0;
- if (loadmodel->brushq3.deluxemapping)
- {
- int facecount = faceslump->filelen / sizeof(q3dface_t);
- q3dface_t *faces = (q3dface_t *)(mod_base + faceslump->fileofs);
- for (i = 0;i < facecount;i++)
- {
- j = LittleLong(faces[i].lightmapindex);
- if (j >= 0)
- {
- endlightmap = max(endlightmap, j + 1);
- if ((j & 1) || j + 1 >= count)
- {
- loadmodel->brushq3.deluxemapping = false;
- break;
- }
- }
- }
- }
- // q3map2 sometimes (or always?) makes a second blank lightmap for no
- // reason when only one lightmap is used, which can throw off the
- // deluxemapping detection method, so check 2-lightmap bsp's specifically
- // to see if the second lightmap is blank, if so it is not deluxemapped.
- //
- // further research has shown q3map2 sometimes creates a deluxemap and two
- // blank lightmaps, which must be handled properly as well
- if (endlightmap == 1 && count > 1)
- {
- c = inpixels[1];
- for (i = 0;i < size*size;i++)
- {
- if (c[bytesperpixel*i + rgbmap[0]])
- break;
- if (c[bytesperpixel*i + rgbmap[1]])
- break;
- if (c[bytesperpixel*i + rgbmap[2]])
- break;
- }
- if (i == size*size)
- {
- // all pixels in the unused lightmap were black...
- loadmodel->brushq3.deluxemapping = false;
- }
- }
- }
- Con_DPrintf("%s is %sdeluxemapped\n", loadmodel->name, loadmodel->brushq3.deluxemapping ? "" : "not ");
- // figure out what the most reasonable merge power is within limits
- // find the appropriate NxN dimensions to merge to, to avoid wasted space
- realcount = count >> (int)loadmodel->brushq3.deluxemapping;
- // figure out how big the merged texture has to be
- mergegoal = 128<<bound(0, mod_q3bsp_lightmapmergepower.integer, 6);
- mergegoal = bound(size, mergegoal, (int)vid.maxtexturesize_2d);
- while (mergegoal > size && mergegoal * mergegoal / 4 >= size * size * realcount)
- mergegoal /= 2;
- mergedwidth = mergegoal;
- mergedheight = mergegoal;
- // choose non-square size (2x1 aspect) if only half the space is used;
- // this really only happens when the entire set fits in one texture, if
- // there are multiple textures, we don't worry about shrinking the last
- // one to fit, because the driver prefers the same texture size on
- // consecutive draw calls...
- if (mergedwidth * mergedheight / 2 >= size*size*realcount)
- mergedheight /= 2;
- loadmodel->brushq3.num_lightmapmergedwidthpower = 0;
- loadmodel->brushq3.num_lightmapmergedheightpower = 0;
- while (mergedwidth > size<<loadmodel->brushq3.num_lightmapmergedwidthpower)
- loadmodel->brushq3.num_lightmapmergedwidthpower++;
- while (mergedheight > size<<loadmodel->brushq3.num_lightmapmergedheightpower)
- loadmodel->brushq3.num_lightmapmergedheightpower++;
- loadmodel->brushq3.num_lightmapmergedwidthheightdeluxepower = loadmodel->brushq3.num_lightmapmergedwidthpower + loadmodel->brushq3.num_lightmapmergedheightpower + (loadmodel->brushq3.deluxemapping ? 1 : 0);
- powerx = loadmodel->brushq3.num_lightmapmergedwidthpower;
- powery = loadmodel->brushq3.num_lightmapmergedheightpower;
- powerxy = powerx+powery;
- powerdxy = loadmodel->brushq3.deluxemapping + powerxy;
- mergedcolumns = 1 << powerx;
- mergedrows = 1 << powery;
- mergedrowsxcolumns = 1 << powerxy;
- loadmodel->brushq3.num_mergedlightmaps = (realcount + (1 << powerxy) - 1) >> powerxy;
- loadmodel->brushq3.data_lightmaps = (rtexture_t **)Mem_Alloc(loadmodel->mempool, loadmodel->brushq3.num_mergedlightmaps * sizeof(rtexture_t *));
- if (loadmodel->brushq3.deluxemapping)
- loadmodel->brushq3.data_deluxemaps = (rtexture_t **)Mem_Alloc(loadmodel->mempool, loadmodel->brushq3.num_mergedlightmaps * sizeof(rtexture_t *));
- // allocate a texture pool if we need it
- if (loadmodel->texturepool == NULL)
- loadmodel->texturepool = R_AllocTexturePool();
- mergedpixels = (unsigned char *) Mem_Alloc(tempmempool, mergedwidth * mergedheight * 4);
- mergeddeluxepixels = loadmodel->brushq3.deluxemapping ? (unsigned char *) Mem_Alloc(tempmempool, mergedwidth * mergedheight * 4) : NULL;
- for (i = 0;i < count;i++)
- {
- // figure out which merged lightmap texture this fits into
- realindex = i >> (int)loadmodel->brushq3.deluxemapping;
- lightmapindex = i >> powerdxy;
- // choose the destination address
- mergebuf = (loadmodel->brushq3.deluxemapping && (i & 1)) ? mergeddeluxepixels : mergedpixels;
- mergebuf += 4 * (realindex & (mergedcolumns-1))*size + 4 * ((realindex >> powerx) & (mergedrows-1))*mergedwidth*size;
- if ((i & 1) == 0 || !loadmodel->brushq3.deluxemapping)
- Con_DPrintf("copying original lightmap %i (%ix%i) to %i (at %i,%i)\n", i, size, size, lightmapindex, (realindex & (mergedcolumns-1))*size, ((realindex >> powerx) & (mergedrows-1))*size);
- // convert pixels from RGB or BGRA while copying them into the destination rectangle
- for (j = 0;j < size;j++)
- for (k = 0;k < size;k++)
- {
- mergebuf[(j*mergedwidth+k)*4+0] = inpixels[i][(j*size+k)*bytesperpixel+rgbmap[0]];
- mergebuf[(j*mergedwidth+k)*4+1] = inpixels[i][(j*size+k)*bytesperpixel+rgbmap[1]];
- mergebuf[(j*mergedwidth+k)*4+2] = inpixels[i][(j*size+k)*bytesperpixel+rgbmap[2]];
- mergebuf[(j*mergedwidth+k)*4+3] = 255;
- }
- // upload texture if this was the last tile being written to the texture
- if (((realindex + 1) & (mergedrowsxcolumns - 1)) == 0 || (realindex + 1) == realcount)
- {
- if (loadmodel->brushq3.deluxemapping && (i & 1))
- loadmodel->brushq3.data_deluxemaps[lightmapindex] = R_LoadTexture2D(loadmodel->texturepool, va(vabuf, sizeof(vabuf), "deluxemap%04i", lightmapindex), mergedwidth, mergedheight, mergeddeluxepixels, TEXTYPE_BGRA, TEXF_FORCELINEAR | (gl_texturecompression_q3bspdeluxemaps.integer ? TEXF_COMPRESS : 0), -1, NULL);
- else
- {
- if(mod_q3bsp_sRGBlightmaps.integer)
- {
- textype_t t;
- if(vid_sRGB.integer && vid_sRGB_fallback.integer && !vid.sRGB3D)
- {
- t = TEXTYPE_BGRA; // in stupid fallback mode, we upload lightmaps in sRGB form and just fix their brightness
- // we fix the brightness consistently via lightmapscale
- }
- else
- t = TEXTYPE_SRGB_BGRA; // normally, we upload lightmaps in sRGB form (possibly downconverted to linear)
- loadmodel->brushq3.data_lightmaps [lightmapindex] = R_LoadTexture2D(loadmodel->texturepool, va(vabuf, sizeof(vabuf), "lightmap%04i", lightmapindex), mergedwidth, mergedheight, mergedpixels, t, TEXF_FORCELINEAR | (gl_texturecompression_q3bsplightmaps.integer ? TEXF_COMPRESS : 0), -1, NULL);
- }
- else
- {
- if(vid_sRGB.integer && vid_sRGB_fallback.integer && !vid.sRGB3D)
- Image_MakesRGBColorsFromLinear_Lightmap(mergedpixels, mergedpixels, mergedwidth * mergedheight);
- loadmodel->brushq3.data_lightmaps [lightmapindex] = R_LoadTexture2D(loadmodel->texturepool, va(vabuf, sizeof(vabuf), "lightmap%04i", lightmapindex), mergedwidth, mergedheight, mergedpixels, TEXTYPE_BGRA, TEXF_FORCELINEAR | (gl_texturecompression_q3bsplightmaps.integer ? TEXF_COMPRESS : 0), -1, NULL);
- }
- }
- }
- }
- if (mergeddeluxepixels)
- Mem_Free(mergeddeluxepixels);
- Mem_Free(mergedpixels);
- if(external)
- {
- for(i = 0; i < count; ++i)
- Mem_Free(inpixels[i]);
- }
- }
- static void Mod_Q3BSP_BuildBBoxes(const int *element3i, int num_triangles, const float *vertex3f, float **collisionbbox6f, int *collisionstride, int stride)
- {
- int j, k, cnt, tri;
- float *mins, *maxs;
- const float *vert;
- *collisionstride = stride;
- if(stride > 0)
- {
- cnt = (num_triangles + stride - 1) / stride;
- *collisionbbox6f = (float *) Mem_Alloc(loadmodel->mempool, sizeof(float[6]) * cnt);
- for(j = 0; j < cnt; ++j)
- {
- mins = &((*collisionbbox6f)[6 * j + 0]);
- maxs = &((*collisionbbox6f)[6 * j + 3]);
- for(k = 0; k < stride; ++k)
- {
- tri = j * stride + k;
- if(tri >= num_triangles)
- break;
- vert = &(vertex3f[element3i[3 * tri + 0] * 3]);
- if(!k || vert[0] < mins[0]) mins[0] = vert[0];
- if(!k || vert[1] < mins[1]) mins[1] = vert[1];
- if(!k || vert[2] < mins[2]) mins[2] = vert[2];
- if(!k || vert[0] > maxs[0]) maxs[0] = vert[0];
- if(!k || vert[1] > maxs[1]) maxs[1] = vert[1];
- if(!k || vert[2] > maxs[2]) maxs[2] = vert[2];
- vert = &(vertex3f[element3i[3 * tri + 1] * 3]);
- if(vert[0] < mins[0]) mins[0] = vert[0];
- if(vert[1] < mins[1]) mins[1] = vert[1];
- if(vert[2] < mins[2]) mins[2] = vert[2];
- if(vert[0] > maxs[0]) maxs[0] = vert[0];
- if(vert[1] > maxs[1]) maxs[1] = vert[1];
- if(vert[2] > maxs[2]) maxs[2] = vert[2];
- vert = &(vertex3f[element3i[3 * tri + 2] * 3]);
- if(vert[0] < mins[0]) mins[0] = vert[0];
- if(vert[1] < mins[1]) mins[1] = vert[1];
- if(vert[2] < mins[2]) mins[2] = vert[2];
- if(vert[0] > maxs[0]) maxs[0] = vert[0];
- if(vert[1] > maxs[1]) maxs[1] = vert[1];
- if(vert[2] > maxs[2]) maxs[2] = vert[2];
- }
- }
- }
- else
- *collisionbbox6f = NULL;
- }
- typedef struct patchtess_s
- {
- patchinfo_t info;
- // Auxiliary data used only by patch loading code in Mod_Q3BSP_LoadFaces
- int surface_id;
- float lodgroup[6];
- float *originalvertex3f;
- } patchtess_t;
- #define PATCHTESS_SAME_LODGROUP(a,b) \
- ( \
- (a).lodgroup[0] == (b).lodgroup[0] && \
- (a).lodgroup[1] == (b).lodgroup[1] && \
- (a).lodgroup[2] == (b).lodgroup[2] && \
- (a).lodgroup[3] == (b).lodgroup[3] && \
- (a).lodgroup[4] == (b).lodgroup[4] && \
- (a).lodgroup[5] == (b).lodgroup[5] \
- )
- static void Mod_Q3BSP_LoadFaces(lump_t *l)
- {
- q3dface_t *in, *oldin;
- msurface_t *out, *oldout;
- int i, oldi, j, n, count, invalidelements, patchsize[2], finalwidth, finalheight, xtess, ytess, finalvertices, finaltriangles, firstvertex, firstelement, type, oldnumtriangles, oldnumtriangles2, meshvertices, meshtriangles, collisionvertices, collisiontriangles, numvertices, numtriangles, cxtess, cytess;
- float lightmaptcbase[2], lightmaptcscale[2];
- //int *originalelement3i;
- //int *originalneighbor3i;
- float *originalvertex3f;
- //float *originalsvector3f;
- //float *originaltvector3f;
- float *originalnormal3f;
- float *originalcolor4f;
- float *originaltexcoordtexture2f;
- float *originaltexcoordlightmap2f;
- float *surfacecollisionvertex3f;
- int *surfacecollisionelement3i;
- float *v;
- patchtess_t *patchtess = NULL;
- int patchtesscount = 0;
- qboolean again;
- in = (q3dface_t *)(mod_base + l->fileofs);
- if (l->filelen % sizeof(*in))
- Host_Error("Mod_Q3BSP_LoadFaces: funny lump size in %s",loadmodel->name);
- count = l->filelen / sizeof(*in);
- out = (msurface_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- loadmodel->data_surfaces = out;
- loadmodel->num_surfaces = count;
- if(count > 0)
- patchtess = (patchtess_t*) Mem_Alloc(tempmempool, count * sizeof(*patchtess));
- i = 0;
- oldi = i;
- oldin = in;
- oldout = out;
- meshvertices = 0;
- meshtriangles = 0;
- for (;i < count;i++, in++, out++)
- {
- // check face type first
- type = LittleLong(in->type);
- if (type != Q3FACETYPE_FLAT
- && type != Q3FACETYPE_PATCH
- && type != Q3FACETYPE_MESH
- && type != Q3FACETYPE_FLARE)
- {
- Con_DPrintf("Mod_Q3BSP_LoadFaces: face #%i: unknown face type %i\n", i, type);
- continue;
- }
- n = LittleLong(in->textureindex);
- if (n < 0 || n >= loadmodel->num_textures)
- {
- Con_DPrintf("Mod_Q3BSP_LoadFaces: face #%i: invalid textureindex %i (%i textures)\n", i, n, loadmodel->num_textures);
- continue;
- }
- out->texture = loadmodel->data_textures + n;
- n = LittleLong(in->effectindex);
- if (n < -1 || n >= loadmodel->brushq3.num_effects)
- {
- if (developer_extra.integer)
- Con_DPrintf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid effectindex %i (%i effects)\n", i, out->texture->name, n, loadmodel->brushq3.num_effects);
- n = -1;
- }
- if (n == -1)
- out->effect = NULL;
- else
- out->effect = loadmodel->brushq3.data_effects + n;
- if (cls.state != ca_dedicated)
- {
- out->lightmaptexture = NULL;
- out->deluxemaptexture = r_texture_blanknormalmap;
- n = LittleLong(in->lightmapindex);
- if (n < 0)
- n = -1;
- else if (n >= loadmodel->brushq3.num_originallightmaps)
- {
- if(loadmodel->brushq3.num_originallightmaps != 0)
- Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid lightmapindex %i (%i lightmaps)\n", i, out->texture->name, n, loadmodel->brushq3.num_originallightmaps);
- n = -1;
- }
- else
- {
- out->lightmaptexture = loadmodel->brushq3.data_lightmaps[n >> loadmodel->brushq3.num_lightmapmergedwidthheightdeluxepower];
- if (loadmodel->brushq3.deluxemapping)
- out->deluxemaptexture = loadmodel->brushq3.data_deluxemaps[n >> loadmodel->brushq3.num_lightmapmergedwidthheightdeluxepower];
- loadmodel->lit = true;
- }
- }
- firstvertex = LittleLong(in->firstvertex);
- numvertices = LittleLong(in->numvertices);
- firstelement = LittleLong(in->firstelement);
- numtriangles = LittleLong(in->numelements) / 3;
- if (numtriangles * 3 != LittleLong(in->numelements))
- {
- Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): numelements %i is not a multiple of 3\n", i, out->texture->name, LittleLong(in->numelements));
- continue;
- }
- if (firstvertex < 0 || firstvertex + numvertices > loadmodel->brushq3.num_vertices)
- {
- Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid vertex range %i : %i (%i vertices)\n", i, out->texture->name, firstvertex, firstvertex + numvertices, loadmodel->brushq3.num_vertices);
- continue;
- }
- if (firstelement < 0 || firstelement + numtriangles * 3 > loadmodel->brushq3.num_triangles * 3)
- {
- Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid element range %i : %i (%i elements)\n", i, out->texture->name, firstelement, firstelement + numtriangles * 3, loadmodel->brushq3.num_triangles * 3);
- continue;
- }
- switch(type)
- {
- case Q3FACETYPE_FLAT:
- case Q3FACETYPE_MESH:
- // no processing necessary
- break;
- case Q3FACETYPE_PATCH:
- patchsize[0] = LittleLong(in->specific.patch.patchsize[0]);
- patchsize[1] = LittleLong(in->specific.patch.patchsize[1]);
- if (numvertices != (patchsize[0] * patchsize[1]) || patchsize[0] < 3 || patchsize[1] < 3 || !(patchsize[0] & 1) || !(patchsize[1] & 1) || patchsize[0] * patchsize[1] >= min(r_subdivisions_maxvertices.integer, r_subdivisions_collision_maxvertices.integer))
- {
- Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid patchsize %ix%i\n", i, out->texture->name, patchsize[0], patchsize[1]);
- continue;
- }
- originalvertex3f = loadmodel->brushq3.data_vertex3f + firstvertex * 3;
- // convert patch to Q3FACETYPE_MESH
- xtess = Q3PatchTesselationOnX(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_tolerance.value);
- ytess = Q3PatchTesselationOnY(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_tolerance.value);
- // bound to user settings
- xtess = bound(r_subdivisions_mintess.integer, xtess, r_subdivisions_maxtess.integer);
- ytess = bound(r_subdivisions_mintess.integer, ytess, r_subdivisions_maxtess.integer);
- // bound to sanity settings
- xtess = bound(0, xtess, 1024);
- ytess = bound(0, ytess, 1024);
- // lower quality collision patches! Same procedure as before, but different cvars
- // convert patch to Q3FACETYPE_MESH
- cxtess = Q3PatchTesselationOnX(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_collision_tolerance.value);
- cytess = Q3PatchTesselationOnY(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_collision_tolerance.value);
- // bound to user settings
- cxtess = bound(r_subdivisions_collision_mintess.integer, cxtess, r_subdivisions_collision_maxtess.integer);
- cytess = bound(r_subdivisions_collision_mintess.integer, cytess, r_subdivisions_collision_maxtess.integer);
- // bound to sanity settings
- cxtess = bound(0, cxtess, 1024);
- cytess = bound(0, cytess, 1024);
- // store it for the LOD grouping step
- patchtess[patchtesscount].info.xsize = patchsize[0];
- patchtess[patchtesscount].info.ysize = patchsize[1];
- patchtess[patchtesscount].info.lods[PATCH_LOD_VISUAL].xtess = xtess;
- patchtess[patchtesscount].info.lods[PATCH_LOD_VISUAL].ytess = ytess;
- patchtess[patchtesscount].info.lods[PATCH_LOD_COLLISION].xtess = cxtess;
- patchtess[patchtesscount].info.lods[PATCH_LOD_COLLISION].ytess = cytess;
-
- patchtess[patchtesscount].surface_id = i;
- patchtess[patchtesscount].lodgroup[0] = LittleFloat(in->specific.patch.mins[0]);
- patchtess[patchtesscount].lodgroup[1] = LittleFloat(in->specific.patch.mins[1]);
- patchtess[patchtesscount].lodgroup[2] = LittleFloat(in->specific.patch.mins[2]);
- patchtess[patchtesscount].lodgroup[3] = LittleFloat(in->specific.patch.maxs[0]);
- patchtess[patchtesscount].lodgroup[4] = LittleFloat(in->specific.patch.maxs[1]);
- patchtess[patchtesscount].lodgroup[5] = LittleFloat(in->specific.patch.maxs[2]);
- patchtess[patchtesscount].originalvertex3f = originalvertex3f;
- ++patchtesscount;
- break;
- case Q3FACETYPE_FLARE:
- if (developer_extra.integer)
- Con_DPrintf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): Q3FACETYPE_FLARE not supported (yet)\n", i, out->texture->name);
- // don't render it
- continue;
- }
- out->num_vertices = numvertices;
- out->num_triangles = numtriangles;
- meshvertices += out->num_vertices;
- meshtriangles += out->num_triangles;
- }
- // Fix patches tesselations so that they make no seams
- do
- {
- again = false;
- for(i = 0; i < patchtesscount; ++i)
- {
- for(j = i+1; j < patchtesscount; ++j)
- {
- if (!PATCHTESS_SAME_LODGROUP(patchtess[i], patchtess[j]))
- continue;
- if (Q3PatchAdjustTesselation(3, &patchtess[i].info, patchtess[i].originalvertex3f, &patchtess[j].info, patchtess[j].originalvertex3f) )
- again = true;
- }
- }
- }
- while (again);
- // Calculate resulting number of triangles
- collisionvertices = 0;
- collisiontriangles = 0;
- for(i = 0; i < patchtesscount; ++i)
- {
- finalwidth = Q3PatchDimForTess(patchtess[i].info.xsize, patchtess[i].info.lods[PATCH_LOD_VISUAL].xtess);
- finalheight = Q3PatchDimForTess(patchtess[i].info.ysize,patchtess[i].info.lods[PATCH_LOD_VISUAL].ytess);
- numvertices = finalwidth * finalheight;
- numtriangles = (finalwidth - 1) * (finalheight - 1) * 2;
- oldout[patchtess[i].surface_id].num_vertices = numvertices;
- oldout[patchtess[i].surface_id].num_triangles = numtriangles;
- meshvertices += oldout[patchtess[i].surface_id].num_vertices;
- meshtriangles += oldout[patchtess[i].surface_id].num_triangles;
- finalwidth = Q3PatchDimForTess(patchtess[i].info.xsize, patchtess[i].info.lods[PATCH_LOD_COLLISION].xtess);
- finalheight = Q3PatchDimForTess(patchtess[i].info.ysize,patchtess[i].info.lods[PATCH_LOD_COLLISION].ytess);
- numvertices = finalwidth * finalheight;
- numtriangles = (finalwidth - 1) * (finalheight - 1) * 2;
- oldout[patchtess[i].surface_id].num_collisionvertices = numvertices;
- oldout[patchtess[i].surface_id].num_collisiontriangles = numtriangles;
- collisionvertices += oldout[patchtess[i].surface_id].num_collisionvertices;
- collisiontriangles += oldout[patchtess[i].surface_id].num_collisiontriangles;
- }
- i = oldi;
- in = oldin;
- out = oldout;
- Mod_AllocSurfMesh(loadmodel->mempool, meshvertices, meshtriangles, false, true, false);
- if (collisiontriangles)
- {
- loadmodel->brush.data_collisionvertex3f = (float *)Mem_Alloc(loadmodel->mempool, collisionvertices * sizeof(float[3]));
- loadmodel->brush.data_collisionelement3i = (int *)Mem_Alloc(loadmodel->mempool, collisiontriangles * sizeof(int[3]));
- }
- meshvertices = 0;
- meshtriangles = 0;
- collisionvertices = 0;
- collisiontriangles = 0;
- for (;i < count && meshvertices + out->num_vertices <= loadmodel->surfmesh.num_vertices;i++, in++, out++)
- {
- if (out->num_vertices < 3 || out->num_triangles < 1)
- continue;
- type = LittleLong(in->type);
- firstvertex = LittleLong(in->firstvertex);
- firstelement = LittleLong(in->firstelement);
- out->num_firstvertex = meshvertices;
- out->num_firsttriangle = meshtriangles;
- out->num_firstcollisiontriangle = collisiontriangles;
- switch(type)
- {
- case Q3FACETYPE_FLAT:
- case Q3FACETYPE_MESH:
- // no processing necessary, except for lightmap merging
- for (j = 0;j < out->num_vertices;j++)
- {
- (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex)[j * 3 + 0] = loadmodel->brushq3.data_vertex3f[(firstvertex + j) * 3 + 0];
- (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex)[j * 3 + 1] = loadmodel->brushq3.data_vertex3f[(firstvertex + j) * 3 + 1];
- (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex)[j * 3 + 2] = loadmodel->brushq3.data_vertex3f[(firstvertex + j) * 3 + 2];
- (loadmodel->surfmesh.data_normal3f + 3 * out->num_firstvertex)[j * 3 + 0] = loadmodel->brushq3.data_normal3f[(firstvertex + j) * 3 + 0];
- (loadmodel->surfmesh.data_normal3f + 3 * out->num_firstvertex)[j * 3 + 1] = loadmodel->brushq3.data_normal3f[(firstvertex + j) * 3 + 1];
- (loadmodel->surfmesh.data_normal3f + 3 * out->num_firstvertex)[j * 3 + 2] = loadmodel->brushq3.data_normal3f[(firstvertex + j) * 3 + 2];
- (loadmodel->surfmesh.data_texcoordtexture2f + 2 * out->num_firstvertex)[j * 2 + 0] = loadmodel->brushq3.data_texcoordtexture2f[(firstvertex + j) * 2 + 0];
- (loadmodel->surfmesh.data_texcoordtexture2f + 2 * out->num_firstvertex)[j * 2 + 1] = loadmodel->brushq3.data_texcoordtexture2f[(firstvertex + j) * 2 + 1];
- (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * out->num_firstvertex)[j * 2 + 0] = loadmodel->brushq3.data_texcoordlightmap2f[(firstvertex + j) * 2 + 0];
- (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * out->num_firstvertex)[j * 2 + 1] = loadmodel->brushq3.data_texcoordlightmap2f[(firstvertex + j) * 2 + 1];
- (loadmodel->surfmesh.data_lightmapcolor4f + 4 * out->num_firstvertex)[j * 4 + 0] = loadmodel->brushq3.data_color4f[(firstvertex + j) * 4 + 0];
- (loadmodel->surfmesh.data_lightmapcolor4f + 4 * out->num_firstvertex)[j * 4 + 1] = loadmodel->brushq3.data_color4f[(firstvertex + j) * 4 + 1];
- (loadmodel->surfmesh.data_lightmapcolor4f + 4 * out->num_firstvertex)[j * 4 + 2] = loadmodel->brushq3.data_color4f[(firstvertex + j) * 4 + 2];
- (loadmodel->surfmesh.data_lightmapcolor4f + 4 * out->num_firstvertex)[j * 4 + 3] = loadmodel->brushq3.data_color4f[(firstvertex + j) * 4 + 3];
- }
- for (j = 0;j < out->num_triangles*3;j++)
- (loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle)[j] = loadmodel->brushq3.data_element3i[firstelement + j] + out->num_firstvertex;
- break;
- case Q3FACETYPE_PATCH:
- patchsize[0] = LittleLong(in->specific.patch.patchsize[0]);
- patchsize[1] = LittleLong(in->specific.patch.patchsize[1]);
- originalvertex3f = loadmodel->brushq3.data_vertex3f + firstvertex * 3;
- originalnormal3f = loadmodel->brushq3.data_normal3f + firstvertex * 3;
- originaltexcoordtexture2f = loadmodel->brushq3.data_texcoordtexture2f + firstvertex * 2;
- originaltexcoordlightmap2f = loadmodel->brushq3.data_texcoordlightmap2f + firstvertex * 2;
- originalcolor4f = loadmodel->brushq3.data_color4f + firstvertex * 4;
- xtess = ytess = cxtess = cytess = -1;
- for(j = 0; j < patchtesscount; ++j)
- if(patchtess[j].surface_id == i)
- {
- xtess = patchtess[j].info.lods[PATCH_LOD_VISUAL].xtess;
- ytess = patchtess[j].info.lods[PATCH_LOD_VISUAL].ytess;
- cxtess = patchtess[j].info.lods[PATCH_LOD_COLLISION].xtess;
- cytess = patchtess[j].info.lods[PATCH_LOD_COLLISION].ytess;
- break;
- }
- if(xtess == -1)
- {
- Con_Printf("ERROR: patch %d isn't preprocessed?!?\n", i);
- xtess = ytess = cxtess = cytess = 0;
- }
- finalwidth = Q3PatchDimForTess(patchsize[0],xtess); //((patchsize[0] - 1) * xtess) + 1;
- finalheight = Q3PatchDimForTess(patchsize[1],ytess); //((patchsize[1] - 1) * ytess) + 1;
- finalvertices = finalwidth * finalheight;
- oldnumtriangles = finaltriangles = (finalwidth - 1) * (finalheight - 1) * 2;
- type = Q3FACETYPE_MESH;
- // generate geometry
- // (note: normals are skipped because they get recalculated)
- Q3PatchTesselateFloat(3, sizeof(float[3]), (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[3]), originalvertex3f, xtess, ytess);
- Q3PatchTesselateFloat(3, sizeof(float[3]), (loadmodel->surfmesh.data_normal3f + 3 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[3]), originalnormal3f, xtess, ytess);
- Q3PatchTesselateFloat(2, sizeof(float[2]), (loadmodel->surfmesh.data_texcoordtexture2f + 2 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[2]), originaltexcoordtexture2f, xtess, ytess);
- Q3PatchTesselateFloat(2, sizeof(float[2]), (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[2]), originaltexcoordlightmap2f, xtess, ytess);
- Q3PatchTesselateFloat(4, sizeof(float[4]), (loadmodel->surfmesh.data_lightmapcolor4f + 4 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[4]), originalcolor4f, xtess, ytess);
- Q3PatchTriangleElements((loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle), finalwidth, finalheight, out->num_firstvertex);
- out->num_triangles = Mod_RemoveDegenerateTriangles(out->num_triangles, (loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle), (loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle), loadmodel->surfmesh.data_vertex3f);
- if (developer_extra.integer)
- {
- if (out->num_triangles < finaltriangles)
- Con_DPrintf("Mod_Q3BSP_LoadFaces: %ix%i curve subdivided to %i vertices / %i triangles, %i degenerate triangles removed (leaving %i)\n", patchsize[0], patchsize[1], out->num_vertices, finaltriangles, finaltriangles - out->num_triangles, out->num_triangles);
- else
- Con_DPrintf("Mod_Q3BSP_LoadFaces: %ix%i curve subdivided to %i vertices / %i triangles\n", patchsize[0], patchsize[1], out->num_vertices, out->num_triangles);
- }
- // q3map does not put in collision brushes for curves... ugh
- // build the lower quality collision geometry
- finalwidth = Q3PatchDimForTess(patchsize[0],cxtess); //((patchsize[0] - 1) * cxtess) + 1;
- finalheight = Q3PatchDimForTess(patchsize[1],cytess); //((patchsize[1] - 1) * cytess) + 1;
- finalvertices = finalwidth * finalheight;
- oldnumtriangles2 = finaltriangles = (finalwidth - 1) * (finalheight - 1) * 2;
- // legacy collision geometry implementation
- out->deprecatedq3data_collisionvertex3f = (float *)Mem_Alloc(loadmodel->mempool, sizeof(float[3]) * finalvertices);
- out->deprecatedq3data_collisionelement3i = (int *)Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * finaltriangles);
- out->num_collisionvertices = finalvertices;
- out->num_collisiontriangles = finaltriangles;
- Q3PatchTesselateFloat(3, sizeof(float[3]), out->deprecatedq3data_collisionvertex3f, patchsize[0], patchsize[1], sizeof(float[3]), originalvertex3f, cxtess, cytess);
- Q3PatchTriangleElements(out->deprecatedq3data_collisionelement3i, finalwidth, finalheight, 0);
- //Mod_SnapVertices(3, out->num_vertices, (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex), 0.25);
- Mod_SnapVertices(3, finalvertices, out->deprecatedq3data_collisionvertex3f, 1);
- out->num_collisiontriangles = Mod_RemoveDegenerateTriangles(finaltriangles, out->deprecatedq3data_collisionelement3i, out->deprecatedq3data_collisionelement3i, out->deprecatedq3data_collisionvertex3f);
- // now optimize the collision mesh by finding triangle bboxes...
- Mod_Q3BSP_BuildBBoxes(out->deprecatedq3data_collisionelement3i, out->num_collisiontriangles, out->deprecatedq3data_collisionvertex3f, &out->deprecatedq3data_collisionbbox6f, &out->deprecatedq3num_collisionbboxstride, mod_q3bsp_curves_collisions_stride.integer);
- Mod_Q3BSP_BuildBBoxes(loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle, out->num_triangles, loadmodel->surfmesh.data_vertex3f, &out->deprecatedq3data_bbox6f, &out->deprecatedq3num_bboxstride, mod_q3bsp_curves_stride.integer);
- // store collision geometry for BIH collision tree
- surfacecollisionvertex3f = loadmodel->brush.data_collisionvertex3f + collisionvertices * 3;
- surfacecollisionelement3i = loadmodel->brush.data_collisionelement3i + collisiontriangles * 3;
- Q3PatchTesselateFloat(3, sizeof(float[3]), surfacecollisionvertex3f, patchsize[0], patchsize[1], sizeof(float[3]), originalvertex3f, cxtess, cytess);
- Q3PatchTriangleElements(surfacecollisionelement3i, finalwidth, finalheight, collisionvertices);
- Mod_SnapVertices(3, finalvertices, surfacecollisionvertex3f, 1);
- #if 1
- // remove this once the legacy code is removed
- {
- int nc = out->num_collisiontriangles;
- #endif
- out->num_collisiontriangles = Mod_RemoveDegenerateTriangles(finaltriangles, surfacecollisionelement3i, surfacecollisionelement3i, loadmodel->brush.data_collisionvertex3f);
- #if 1
- if(nc != out->num_collisiontriangles)
- {
- Con_Printf("number of collision triangles differs between BIH and BSP. FAIL.\n");
- }
- }
- #endif
- if (developer_extra.integer)
- Con_DPrintf("Mod_Q3BSP_LoadFaces: %ix%i curve became %i:%i vertices / %i:%i triangles (%i:%i degenerate)\n", patchsize[0], patchsize[1], out->num_vertices, out->num_collisionvertices, oldnumtriangles, oldnumtriangles2, oldnumtriangles - out->num_triangles, oldnumtriangles2 - out->num_collisiontriangles);
- collisionvertices += finalvertices;
- collisiontriangles += out->num_collisiontriangles;
- break;
- default:
- break;
- }
- meshvertices += out->num_vertices;
- meshtriangles += out->num_triangles;
- for (j = 0, invalidelements = 0;j < out->num_triangles * 3;j++)
- if ((loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle)[j] < out->num_firstvertex || (loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle)[j] >= out->num_firstvertex + out->num_vertices)
- invalidelements++;
- if (invalidelements)
- {
- Con_Printf("Mod_Q3BSP_LoadFaces: Warning: face #%i has %i invalid elements, type = %i, texture->name = \"%s\", texture->surfaceflags = %i, firstvertex = %i, numvertices = %i, firstelement = %i, numelements = %i, elements list:\n", i, invalidelements, type, out->texture->name, out->texture->surfaceflags, firstvertex, out->num_vertices, firstelement, out->num_triangles * 3);
- for (j = 0;j < out->num_triangles * 3;j++)
- {
- Con_Printf(" %i", (loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle)[j] - out->num_firstvertex);
- if ((loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle)[j] < out->num_firstvertex || (loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle)[j] >= out->num_firstvertex + out->num_vertices)
- (loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle)[j] = out->num_firstvertex;
- }
- Con_Print("\n");
- }
- // calculate a bounding box
- VectorClear(out->mins);
- VectorClear(out->maxs);
- if (out->num_vertices)
- {
- if (cls.state != ca_dedicated && out->lightmaptexture)
- {
- // figure out which part of the merged lightmap this fits into
- int lightmapindex = LittleLong(in->lightmapindex) >> (loadmodel->brushq3.deluxemapping ? 1 : 0);
- int mergewidth = R_TextureWidth(out->lightmaptexture) / loadmodel->brushq3.lightmapsize;
- int mergeheight = R_TextureHeight(out->lightmaptexture) / loadmodel->brushq3.lightmapsize;
- lightmapindex &= mergewidth * mergeheight - 1;
- lightmaptcscale[0] = 1.0f / mergewidth;
- lightmaptcscale[1] = 1.0f / mergeheight;
- lightmaptcbase[0] = (lightmapindex % mergewidth) * lightmaptcscale[0];
- lightmaptcbase[1] = (lightmapindex / mergewidth) * lightmaptcscale[1];
- // modify the lightmap texcoords to match this region of the merged lightmap
- for (j = 0, v = loadmodel->surfmesh.data_texcoordlightmap2f + 2 * out->num_firstvertex;j < out->num_vertices;j++, v += 2)
- {
- v[0] = v[0] * lightmaptcscale[0] + lightmaptcbase[0];
- v[1] = v[1] * lightmaptcscale[1] + lightmaptcbase[1];
- }
- }
- VectorCopy((loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex), out->mins);
- VectorCopy((loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex), out->maxs);
- for (j = 1, v = (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex) + 3;j < out->num_vertices;j++, v += 3)
- {
- out->mins[0] = min(out->mins[0], v[0]);
- out->maxs[0] = max(out->maxs[0], v[0]);
- out->mins[1] = min(out->mins[1], v[1]);
- out->maxs[1] = max(out->maxs[1], v[1]);
- out->mins[2] = min(out->mins[2], v[2]);
- out->maxs[2] = max(out->maxs[2], v[2]);
- }
- out->mins[0] -= 1.0f;
- out->mins[1] -= 1.0f;
- out->mins[2] -= 1.0f;
- out->maxs[0] += 1.0f;
- out->maxs[1] += 1.0f;
- out->maxs[2] += 1.0f;
- }
- // set lightmap styles for consistency with q1bsp
- //out->lightmapinfo->styles[0] = 0;
- //out->lightmapinfo->styles[1] = 255;
- //out->lightmapinfo->styles[2] = 255;
- //out->lightmapinfo->styles[3] = 255;
- }
- i = oldi;
- out = oldout;
- for (;i < count;i++, out++)
- {
- if(out->num_vertices && out->num_triangles)
- continue;
- if(out->num_vertices == 0)
- {
- Con_Printf("Mod_Q3BSP_LoadFaces: surface %d (texture %s) has no vertices, ignoring\n", i, out->texture ? out->texture->name : "(none)");
- if(out->num_triangles == 0)
- Con_Printf("Mod_Q3BSP_LoadFaces: surface %d (texture %s) has no triangles, ignoring\n", i, out->texture ? out->texture->name : "(none)");
- }
- else if(out->num_triangles == 0)
- Con_Printf("Mod_Q3BSP_LoadFaces: surface %d (texture %s, near %f %f %f) has no triangles, ignoring\n", i, out->texture ? out->texture->name : "(none)",
- (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex)[0 * 3 + 0],
- (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex)[1 * 3 + 0],
- (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex)[2 * 3 + 0]);
- }
- // for per pixel lighting
- Mod_BuildTextureVectorsFromNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_texcoordtexture2f, loadmodel->surfmesh.data_normal3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_svector3f, loadmodel->surfmesh.data_tvector3f, r_smoothnormals_areaweighting.integer != 0);
- // generate ushort elements array if possible
- if (loadmodel->surfmesh.data_element3s)
- for (i = 0;i < loadmodel->surfmesh.num_triangles*3;i++)
- loadmodel->surfmesh.data_element3s[i] = loadmodel->surfmesh.data_element3i[i];
- // free the no longer needed vertex data
- loadmodel->brushq3.num_vertices = 0;
- if (loadmodel->brushq3.data_vertex3f)
- Mem_Free(loadmodel->brushq3.data_vertex3f);
- loadmodel->brushq3.data_vertex3f = NULL;
- loadmodel->brushq3.data_normal3f = NULL;
- loadmodel->brushq3.data_texcoordtexture2f = NULL;
- loadmodel->brushq3.data_texcoordlightmap2f = NULL;
- loadmodel->brushq3.data_color4f = NULL;
- // free the no longer needed triangle data
- loadmodel->brushq3.num_triangles = 0;
- if (loadmodel->brushq3.data_element3i)
- Mem_Free(loadmodel->brushq3.data_element3i);
- loadmodel->brushq3.data_element3i = NULL;
- if(patchtess)
- Mem_Free(patchtess);
- }
- static void Mod_Q3BSP_LoadModels(lump_t *l)
- {
- q3dmodel_t *in;
- q3dmodel_t *out;
- int i, j, n, c, count;
- in = (q3dmodel_t *)(mod_base + l->fileofs);
- if (l->filelen % sizeof(*in))
- Host_Error("Mod_Q3BSP_LoadModels: funny lump size in %s",loadmodel->name);
- count = l->filelen / sizeof(*in);
- out = (q3dmodel_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- loadmodel->brushq3.data_models = out;
- loadmodel->brushq3.num_models = count;
- for (i = 0;i < count;i++, in++, out++)
- {
- for (j = 0;j < 3;j++)
- {
- out->mins[j] = LittleFloat(in->mins[j]);
- out->maxs[j] = LittleFloat(in->maxs[j]);
- }
- n = LittleLong(in->firstface);
- c = LittleLong(in->numfaces);
- if (n < 0 || n + c > loadmodel->num_surfaces)
- Host_Error("Mod_Q3BSP_LoadModels: invalid face range %i : %i (%i faces)", n, n + c, loadmodel->num_surfaces);
- out->firstface = n;
- out->numfaces = c;
- n = LittleLong(in->firstbrush);
- c = LittleLong(in->numbrushes);
- if (n < 0 || n + c > loadmodel->brush.num_brushes)
- Host_Error("Mod_Q3BSP_LoadModels: invalid brush range %i : %i (%i brushes)", n, n + c, loadmodel->brush.num_brushes);
- out->firstbrush = n;
- out->numbrushes = c;
- }
- }
- static void Mod_Q3BSP_LoadLeafBrushes(lump_t *l)
- {
- int *in;
- int *out;
- int i, n, count;
- in = (int *)(mod_base + l->fileofs);
- if (l->filelen % sizeof(*in))
- Host_Error("Mod_Q3BSP_LoadLeafBrushes: funny lump size in %s",loadmodel->name);
- count = l->filelen / sizeof(*in);
- out = (int *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- loadmodel->brush.data_leafbrushes = out;
- loadmodel->brush.num_leafbrushes = count;
- for (i = 0;i < count;i++, in++, out++)
- {
- n = LittleLong(*in);
- if (n < 0 || n >= loadmodel->brush.num_brushes)
- Host_Error("Mod_Q3BSP_LoadLeafBrushes: invalid brush index %i (%i brushes)", n, loadmodel->brush.num_brushes);
- *out = n;
- }
- }
- static void Mod_Q3BSP_LoadLeafFaces(lump_t *l)
- {
- int *in;
- int *out;
- int i, n, count;
- in = (int *)(mod_base + l->fileofs);
- if (l->filelen % sizeof(*in))
- Host_Error("Mod_Q3BSP_LoadLeafFaces: funny lump size in %s",loadmodel->name);
- count = l->filelen / sizeof(*in);
- out = (int *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- loadmodel->brush.data_leafsurfaces = out;
- loadmodel->brush.num_leafsurfaces = count;
- for (i = 0;i < count;i++, in++, out++)
- {
- n = LittleLong(*in);
- if (n < 0 || n >= loadmodel->num_surfaces)
- Host_Error("Mod_Q3BSP_LoadLeafFaces: invalid face index %i (%i faces)", n, loadmodel->num_surfaces);
- *out = n;
- }
- }
- static void Mod_Q3BSP_LoadLeafs(lump_t *l)
- {
- q3dleaf_t *in;
- mleaf_t *out;
- int i, j, n, c, count;
- in = (q3dleaf_t *)(mod_base + l->fileofs);
- if (l->filelen % sizeof(*in))
- Host_Error("Mod_Q3BSP_LoadLeafs: funny lump size in %s",loadmodel->name);
- count = l->filelen / sizeof(*in);
- out = (mleaf_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- loadmodel->brush.data_leafs = out;
- loadmodel->brush.num_leafs = count;
- for (i = 0;i < count;i++, in++, out++)
- {
- out->parent = NULL;
- out->plane = NULL;
- out->clusterindex = LittleLong(in->clusterindex);
- out->areaindex = LittleLong(in->areaindex);
- for (j = 0;j < 3;j++)
- {
- // yes the mins/maxs are ints
- out->mins[j] = LittleLong(in->mins[j]) - 1;
- out->maxs[j] = LittleLong(in->maxs[j]) + 1;
- }
- n = LittleLong(in->firstleafface);
- c = LittleLong(in->numleaffaces);
- if (n < 0 || n + c > loadmodel->brush.num_leafsurfaces)
- Host_Error("Mod_Q3BSP_LoadLeafs: invalid leafsurface range %i : %i (%i leafsurfaces)", n, n + c, loadmodel->brush.num_leafsurfaces);
- out->firstleafsurface = loadmodel->brush.data_leafsurfaces + n;
- out->numleafsurfaces = c;
- n = LittleLong(in->firstleafbrush);
- c = LittleLong(in->numleafbrushes);
- if (n < 0 || n + c > loadmodel->brush.num_leafbrushes)
- Host_Error("Mod_Q3BSP_LoadLeafs: invalid leafbrush range %i : %i (%i leafbrushes)", n, n + c, loadmodel->brush.num_leafbrushes);
- out->firstleafbrush = loadmodel->brush.data_leafbrushes + n;
- out->numleafbrushes = c;
- }
- }
- static void Mod_Q3BSP_LoadNodes(lump_t *l)
- {
- q3dnode_t *in;
- mnode_t *out;
- int i, j, n, count;
- in = (q3dnode_t *)(mod_base + l->fileofs);
- if (l->filelen % sizeof(*in))
- Host_Error("Mod_Q3BSP_LoadNodes: funny lump size in %s",loadmodel->name);
- count = l->filelen / sizeof(*in);
- if (count == 0)
- Host_Error("Mod_Q3BSP_LoadNodes: missing BSP tree in %s",loadmodel->name);
- out = (mnode_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- loadmodel->brush.data_nodes = out;
- loadmodel->brush.num_nodes = count;
- for (i = 0;i < count;i++, in++, out++)
- {
- out->parent = NULL;
- n = LittleLong(in->planeindex);
- if (n < 0 || n >= loadmodel->brush.num_planes)
- Host_Error("Mod_Q3BSP_LoadNodes: invalid planeindex %i (%i planes)", n, loadmodel->brush.num_planes);
- out->plane = loadmodel->brush.data_planes + n;
- for (j = 0;j < 2;j++)
- {
- n = LittleLong(in->childrenindex[j]);
- if (n >= 0)
- {
- if (n >= loadmodel->brush.num_nodes)
- Host_Error("Mod_Q3BSP_LoadNodes: invalid child node index %i (%i nodes)", n, loadmodel->brush.num_nodes);
- out->children[j] = loadmodel->brush.data_nodes + n;
- }
- else
- {
- n = -1 - n;
- if (n >= loadmodel->brush.num_leafs)
- Host_Error("Mod_Q3BSP_LoadNodes: invalid child leaf index %i (%i leafs)", n, loadmodel->brush.num_leafs);
- out->children[j] = (mnode_t *)(loadmodel->brush.data_leafs + n);
- }
- }
- for (j = 0;j < 3;j++)
- {
- // yes the mins/maxs are ints
- out->mins[j] = LittleLong(in->mins[j]) - 1;
- out->maxs[j] = LittleLong(in->maxs[j]) + 1;
- }
- }
- // set the parent pointers
- Mod_Q1BSP_LoadNodes_RecursiveSetParent(loadmodel->brush.data_nodes, NULL);
- }
- static void Mod_Q3BSP_LoadLightGrid(lump_t *l)
- {
- q3dlightgrid_t *in;
- q3dlightgrid_t *out;
- int count;
- int i;
- in = (q3dlightgrid_t *)(mod_base + l->fileofs);
- if (l->filelen % sizeof(*in))
- Host_Error("Mod_Q3BSP_LoadLightGrid: funny lump size in %s",loadmodel->name);
- loadmodel->brushq3.num_lightgrid_scale[0] = 1.0f / loadmodel->brushq3.num_lightgrid_cellsize[0];
- loadmodel->brushq3.num_lightgrid_scale[1] = 1.0f / loadmodel->brushq3.num_lightgrid_cellsize[1];
- loadmodel->brushq3.num_lightgrid_scale[2] = 1.0f / loadmodel->brushq3.num_lightgrid_cellsize[2];
- loadmodel->brushq3.num_lightgrid_imins[0] = (int)ceil(loadmodel->brushq3.data_models->mins[0] * loadmodel->brushq3.num_lightgrid_scale[0]);
- loadmodel->brushq3.num_lightgrid_imins[1] = (int)ceil(loadmodel->brushq3.data_models->mins[1] * loadmodel->brushq3.num_lightgrid_scale[1]);
- loadmodel->brushq3.num_lightgrid_imins[2] = (int)ceil(loadmodel->brushq3.data_models->mins[2] * loadmodel->brushq3.num_lightgrid_scale[2]);
- loadmodel->brushq3.num_lightgrid_imaxs[0] = (int)floor(loadmodel->brushq3.data_models->maxs[0] * loadmodel->brushq3.num_lightgrid_scale[0]);
- loadmodel->brushq3.num_lightgrid_imaxs[1] = (int)floor(loadmodel->brushq3.data_models->maxs[1] * loadmodel->brushq3.num_lightgrid_scale[1]);
- loadmodel->brushq3.num_lightgrid_imaxs[2] = (int)floor(loadmodel->brushq3.data_models->maxs[2] * loadmodel->brushq3.num_lightgrid_scale[2]);
- loadmodel->brushq3.num_lightgrid_isize[0] = loadmodel->brushq3.num_lightgrid_imaxs[0] - loadmodel->brushq3.num_lightgrid_imins[0] + 1;
- loadmodel->brushq3.num_lightgrid_isize[1] = loadmodel->brushq3.num_lightgrid_imaxs[1] - loadmodel->brushq3.num_lightgrid_imins[1] + 1;
- loadmodel->brushq3.num_lightgrid_isize[2] = loadmodel->brushq3.num_lightgrid_imaxs[2] - loadmodel->brushq3.num_lightgrid_imins[2] + 1;
- count = loadmodel->brushq3.num_lightgrid_isize[0] * loadmodel->brushq3.num_lightgrid_isize[1] * loadmodel->brushq3.num_lightgrid_isize[2];
- Matrix4x4_CreateScale3(&loadmodel->brushq3.num_lightgrid_indexfromworld, loadmodel->brushq3.num_lightgrid_scale[0], loadmodel->brushq3.num_lightgrid_scale[1], loadmodel->brushq3.num_lightgrid_scale[2]);
- Matrix4x4_ConcatTranslate(&loadmodel->brushq3.num_lightgrid_indexfromworld, -loadmodel->brushq3.num_lightgrid_imins[0] * loadmodel->brushq3.num_lightgrid_cellsize[0], -loadmodel->brushq3.num_lightgrid_imins[1] * loadmodel->brushq3.num_lightgrid_cellsize[1], -loadmodel->brushq3.num_lightgrid_imins[2] * loadmodel->brushq3.num_lightgrid_cellsize[2]);
- // if lump is empty there is nothing to load, we can deal with that in the LightPoint code
- if (l->filelen)
- {
- if (l->filelen < count * (int)sizeof(*in))
- {
- Con_Printf("Mod_Q3BSP_LoadLightGrid: invalid lightgrid lump size %i bytes, should be %i bytes (%ix%ix%i)", l->filelen, (int)(count * sizeof(*in)), loadmodel->brushq3.num_lightgrid_isize[0], loadmodel->brushq3.num_lightgrid_isize[1], loadmodel->brushq3.num_lightgrid_isize[2]);
- return; // ignore the grid if we cannot understand it
- }
- if (l->filelen != count * (int)sizeof(*in))
- Con_Printf("Mod_Q3BSP_LoadLightGrid: Warning: calculated lightgrid size %i bytes does not match lump size %i\n", (int)(count * sizeof(*in)), l->filelen);
- out = (q3dlightgrid_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- loadmodel->brushq3.data_lightgrid = out;
- loadmodel->brushq3.num_lightgrid = count;
- // no swapping or validation necessary
- memcpy(out, in, count * (int)sizeof(*out));
- if(mod_q3bsp_sRGBlightmaps.integer)
- {
- if(vid_sRGB.integer && vid_sRGB_fallback.integer && !vid.sRGB3D)
- {
- // we fix the brightness consistently via lightmapscale
- }
- else
- {
- for(i = 0; i < count; ++i)
- {
- out[i].ambientrgb[0] = floor(Image_LinearFloatFromsRGB(out[i].ambientrgb[0]) * 255.0f + 0.5f);
- out[i].ambientrgb[1] = floor(Image_LinearFloatFromsRGB(out[i].ambientrgb[1]) * 255.0f + 0.5f);
- out[i].ambientrgb[2] = floor(Image_LinearFloatFromsRGB(out[i].ambientrgb[2]) * 255.0f + 0.5f);
- out[i].diffusergb[0] = floor(Image_LinearFloatFromsRGB(out[i].diffusergb[0]) * 255.0f + 0.5f);
- out[i].diffusergb[1] = floor(Image_LinearFloatFromsRGB(out[i].diffusergb[1]) * 255.0f + 0.5f);
- out[i].diffusergb[2] = floor(Image_LinearFloatFromsRGB(out[i].diffusergb[2]) * 255.0f + 0.5f);
- }
- }
- }
- else
- {
- if(vid_sRGB.integer && vid_sRGB_fallback.integer && !vid.sRGB3D)
- {
- for(i = 0; i < count; ++i)
- {
- out[i].ambientrgb[0] = floor(Image_sRGBFloatFromLinear_Lightmap(out[i].ambientrgb[0]) * 255.0f + 0.5f);
- out[i].ambientrgb[1] = floor(Image_sRGBFloatFromLinear_Lightmap(out[i].ambientrgb[1]) * 255.0f + 0.5f);
- out[i].ambientrgb[2] = floor(Image_sRGBFloatFromLinear_Lightmap(out[i].ambientrgb[2]) * 255.0f + 0.5f);
- out[i].diffusergb[0] = floor(Image_sRGBFloatFromLinear_Lightmap(out[i].diffusergb[0]) * 255.0f + 0.5f);
- out[i].diffusergb[1] = floor(Image_sRGBFloatFromLinear_Lightmap(out[i].diffusergb[1]) * 255.0f + 0.5f);
- out[i].diffusergb[2] = floor(Image_sRGBFloatFromLinear_Lightmap(out[i].diffusergb[2]) * 255.0f + 0.5f);
- }
- }
- else
- {
- // all is good
- }
- }
- }
- }
- static void Mod_Q3BSP_LoadPVS(lump_t *l)
- {
- q3dpvs_t *in;
- int totalchains;
- if (l->filelen == 0)
- {
- int i;
- // unvised maps often have cluster indices even without pvs, so check
- // leafs to find real number of clusters
- loadmodel->brush.num_pvsclusters = 1;
- for (i = 0;i < loadmodel->brush.num_leafs;i++)
- loadmodel->brush.num_pvsclusters = max(loadmodel->brush.num_pvsclusters, loadmodel->brush.data_leafs[i].clusterindex + 1);
- // create clusters
- loadmodel->brush.num_pvsclusterbytes = (loadmodel->brush.num_pvsclusters + 7) / 8;
- totalchains = loadmodel->brush.num_pvsclusterbytes * loadmodel->brush.num_pvsclusters;
- loadmodel->brush.data_pvsclusters = (unsigned char *)Mem_Alloc(loadmodel->mempool, totalchains);
- memset(loadmodel->brush.data_pvsclusters, 0xFF, totalchains);
- return;
- }
- in = (q3dpvs_t *)(mod_base + l->fileofs);
- if (l->filelen < 9)
- Host_Error("Mod_Q3BSP_LoadPVS: funny lump size in %s",loadmodel->name);
- loadmodel->brush.num_pvsclusters = LittleLong(in->numclusters);
- loadmodel->brush.num_pvsclusterbytes = LittleLong(in->chainlength);
- if (loadmodel->brush.num_pvsclusterbytes < ((loadmodel->brush.num_pvsclusters + 7) / 8))
- Host_Error("Mod_Q3BSP_LoadPVS: (chainlength = %i) < ((numclusters = %i) + 7) / 8", loadmodel->brush.num_pvsclusterbytes, loadmodel->brush.num_pvsclusters);
- totalchains = loadmodel->brush.num_pvsclusterbytes * loadmodel->brush.num_pvsclusters;
- if (l->filelen < totalchains + (int)sizeof(*in))
- Host_Error("Mod_Q3BSP_LoadPVS: lump too small ((numclusters = %i) * (chainlength = %i) + sizeof(q3dpvs_t) == %i bytes, lump is %i bytes)", loadmodel->brush.num_pvsclusters, loadmodel->brush.num_pvsclusterbytes, (int)(totalchains + sizeof(*in)), l->filelen);
- loadmodel->brush.data_pvsclusters = (unsigned char *)Mem_Alloc(loadmodel->mempool, totalchains);
- memcpy(loadmodel->brush.data_pvsclusters, (unsigned char *)(in + 1), totalchains);
- }
- static void Mod_Q3BSP_LightPoint(dp_model_t *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal)
- {
- int i, j, k, index[3];
- float transformed[3], blend1, blend2, blend, stylescale = 1;
- q3dlightgrid_t *a, *s;
- // scale lighting by lightstyle[0] so that darkmode in dpmod works properly
- switch(vid.renderpath)
- {
- case RENDERPATH_GL20:
- case RENDERPATH_D3D9:
- case RENDERPATH_D3D10:
- case RENDERPATH_D3D11:
- case RENDERPATH_SOFT:
- case RENDERPATH_GLES2:
- // LordHavoc: FIXME: is this true?
- stylescale = 1; // added while render
- break;
- case RENDERPATH_GL11:
- case RENDERPATH_GL13:
- case RENDERPATH_GLES1:
- stylescale = r_refdef.scene.rtlightstylevalue[0];
- break;
- }
- if (!model->brushq3.num_lightgrid)
- {
- ambientcolor[0] = stylescale;
- ambientcolor[1] = stylescale;
- ambientcolor[2] = stylescale;
- return;
- }
- Matrix4x4_Transform(&model->brushq3.num_lightgrid_indexfromworld, p, transformed);
- //Matrix4x4_Print(&model->brushq3.num_lightgrid_indexfromworld);
- //Con_Printf("%f %f %f transformed %f %f %f clamped ", p[0], p[1], p[2], transformed[0], transformed[1], transformed[2]);
- transformed[0] = bound(0, transformed[0], model->brushq3.num_lightgrid_isize[0] - 1);
- transformed[1] = bound(0, transformed[1], model->brushq3.num_lightgrid_isize[1] - 1);
- transformed[2] = bound(0, transformed[2], model->brushq3.num_lightgrid_isize[2] - 1);
- index[0] = (int)floor(transformed[0]);
- index[1] = (int)floor(transformed[1]);
- index[2] = (int)floor(transformed[2]);
- //Con_Printf("%f %f %f index %i %i %i:\n", transformed[0], transformed[1], transformed[2], index[0], index[1], index[2]);
- // now lerp the values
- VectorClear(diffusenormal);
- a = &model->brushq3.data_lightgrid[(index[2] * model->brushq3.num_lightgrid_isize[1] + index[1]) * model->brushq3.num_lightgrid_isize[0] + index[0]];
- for (k = 0;k < 2;k++)
- {
- blend1 = (k ? (transformed[2] - index[2]) : (1 - (transformed[2] - index[2])));
- if (blend1 < 0.001f || index[2] + k >= model->brushq3.num_lightgrid_isize[2])
- continue;
- for (j = 0;j < 2;j++)
- {
- blend2 = blend1 * (j ? (transformed[1] - index[1]) : (1 - (transformed[1] - index[1])));
- if (blend2 < 0.001f || index[1] + j >= model->brushq3.num_lightgrid_isize[1])
- continue;
- for (i = 0;i < 2;i++)
- {
- blend = blend2 * (i ? (transformed[0] - index[0]) : (1 - (transformed[0] - index[0]))) * stylescale;
- if (blend < 0.001f || index[0] + i >= model->brushq3.num_lightgrid_isize[0])
- continue;
- s = a + (k * model->brushq3.num_lightgrid_isize[1] + j) * model->brushq3.num_lightgrid_isize[0] + i;
- VectorMA(ambientcolor, blend * (1.0f / 128.0f), s->ambientrgb, ambientcolor);
- VectorMA(diffusecolor, blend * (1.0f / 128.0f), s->diffusergb, diffusecolor);
- // this uses the mod_md3_sin table because the values are
- // already in the 0-255 range, the 64+ bias fetches a cosine
- // instead of a sine value
- diffusenormal[0] += blend * (mod_md3_sin[64 + s->diffuseyaw] * mod_md3_sin[s->diffusepitch]);
- diffusenormal[1] += blend * (mod_md3_sin[ s->diffuseyaw] * mod_md3_sin[s->diffusepitch]);
- diffusenormal[2] += blend * (mod_md3_sin[64 + s->diffusepitch]);
- //Con_Printf("blend %f: ambient %i %i %i, diffuse %i %i %i, diffusepitch %i diffuseyaw %i (%f %f, normal %f %f %f)\n", blend, s->ambientrgb[0], s->ambientrgb[1], s->ambientrgb[2], s->diffusergb[0], s->diffusergb[1], s->diffusergb[2], s->diffusepitch, s->diffuseyaw, pitch, yaw, (cos(yaw) * cospitch), (sin(yaw) * cospitch), (-sin(pitch)));
- }
- }
- }
- // normalize the light direction before turning
- VectorNormalize(diffusenormal);
- //Con_Printf("result: ambient %f %f %f diffuse %f %f %f diffusenormal %f %f %f\n", ambientcolor[0], ambientcolor[1], ambientcolor[2], diffusecolor[0], diffusecolor[1], diffusecolor[2], diffusenormal[0], diffusenormal[1], diffusenormal[2]);
- }
- static int Mod_Q3BSP_TraceLineOfSight_RecursiveNodeCheck(mnode_t *node, double p1[3], double p2[3], double endpos[3])
- {
- double t1, t2;
- double midf, mid[3];
- int ret, side;
- // check for empty
- while (node->plane)
- {
- // find the point distances
- mplane_t *plane = node->plane;
- if (plane->type < 3)
- {
- t1 = p1[plane->type] - plane->dist;
- t2 = p2[plane->type] - plane->dist;
- }
- else
- {
- t1 = DotProduct (plane->normal, p1) - plane->dist;
- t2 = DotProduct (plane->normal, p2) - plane->dist;
- }
- if (t1 < 0)
- {
- if (t2 < 0)
- {
- node = node->children[1];
- continue;
- }
- side = 1;
- }
- else
- {
- if (t2 >= 0)
- {
- node = node->children[0];
- continue;
- }
- side = 0;
- }
- midf = t1 / (t1 - t2);
- VectorLerp(p1, midf, p2, mid);
- // recurse both sides, front side first
- // return 2 if empty is followed by solid (hit something)
- // do not return 2 if both are solid or both empty,
- // or if start is solid and end is empty
- // as these degenerate cases usually indicate the eye is in solid and
- // should see the target point anyway
- ret = Mod_Q3BSP_TraceLineOfSight_RecursiveNodeCheck(node->children[side ], p1, mid, endpos);
- if (ret != 0)
- return ret;
- ret = Mod_Q3BSP_TraceLineOfSight_RecursiveNodeCheck(node->children[side ^ 1], mid, p2, endpos);
- if (ret != 1)
- return ret;
- VectorCopy(mid, endpos);
- return 2;
- }
- return ((mleaf_t *)node)->clusterindex < 0;
- }
- static qboolean Mod_Q3BSP_TraceLineOfSight(struct model_s *model, const vec3_t start, const vec3_t end, const vec3_t acceptmins, const vec3_t acceptmaxs)
- {
- if (model->brush.submodel || mod_q3bsp_tracelineofsight_brushes.integer)
- {
- trace_t trace;
- model->TraceLine(model, NULL, NULL, &trace, start, end, SUPERCONTENTS_VISBLOCKERMASK, 0, MATERIALFLAGMASK_TRANSLUCENT);
- return trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, acceptmins, acceptmaxs);
- }
- else
- {
- double tracestart[3], traceend[3], traceendpos[3];
- VectorCopy(start, tracestart);
- VectorCopy(end, traceend);
- VectorCopy(end, traceendpos);
- Mod_Q3BSP_TraceLineOfSight_RecursiveNodeCheck(model->brush.data_nodes, tracestart, traceend, traceendpos);
- return BoxesOverlap(traceendpos, traceendpos, acceptmins, acceptmaxs);
- }
- }
- void Mod_CollisionBIH_TracePoint(dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, trace_t *trace, const vec3_t start, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask)
- {
- const bih_t *bih;
- const bih_leaf_t *leaf;
- const bih_node_t *node;
- const colbrushf_t *brush;
- int axis;
- int nodenum;
- int nodestackpos = 0;
- int nodestack[1024];
- memset(trace, 0, sizeof(*trace));
- trace->fraction = 1;
- trace->hitsupercontentsmask = hitsupercontentsmask;
- trace->skipsupercontentsmask = skipsupercontentsmask;
- trace->skipmaterialflagsmask = skipmaterialflagsmask;
- bih = &model->collision_bih;
- if(!bih->nodes)
- return;
- nodenum = bih->rootnode;
- nodestack[nodestackpos++] = nodenum;
- while (nodestackpos)
- {
- nodenum = nodestack[--nodestackpos];
- node = bih->nodes + nodenum;
- #if 1
- if (!BoxesOverlap(start, start, node->mins, node->maxs))
- continue;
- #endif
- if (node->type <= BIH_SPLITZ && nodestackpos+2 <= 1024)
- {
- axis = node->type - BIH_SPLITX;
- if (start[axis] >= node->frontmin)
- nodestack[nodestackpos++] = node->front;
- if (start[axis] <= node->backmax)
- nodestack[nodestackpos++] = node->back;
- }
- else if (node->type == BIH_UNORDERED)
- {
- for (axis = 0;axis < BIH_MAXUNORDEREDCHILDREN && node->children[axis] >= 0;axis++)
- {
- leaf = bih->leafs + node->children[axis];
- #if 1
- if (!BoxesOverlap(start, start, leaf->mins, leaf->maxs))
- continue;
- #endif
- switch(leaf->type)
- {
- case BIH_BRUSH:
- brush = model->brush.data_brushes[leaf->itemindex].colbrushf;
- Collision_TracePointBrushFloat(trace, start, brush);
- break;
- case BIH_COLLISIONTRIANGLE:
- // collision triangle - skipped because they have no volume
- break;
- case BIH_RENDERTRIANGLE:
- // render triangle - skipped because they have no volume
- break;
- }
- }
- }
- }
- }
- static void Mod_CollisionBIH_TraceLineShared(dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, trace_t *trace, const vec3_t start, const vec3_t end, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask, const bih_t *bih)
- {
- const bih_leaf_t *leaf;
- const bih_node_t *node;
- const colbrushf_t *brush;
- const int *e;
- const texture_t *texture;
- vec3_t nodebigmins, nodebigmaxs, nodestart, nodeend, sweepnodemins, sweepnodemaxs;
- vec_t d1, d2, d3, d4, f, nodestackline[1024][6];
- int axis, nodenum, nodestackpos = 0, nodestack[1024];
- if(!bih->nodes)
- return;
- if (VectorCompare(start, end))
- {
- Mod_CollisionBIH_TracePoint(model, frameblend, skeleton, trace, start, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask);
- return;
- }
- nodenum = bih->rootnode;
- memset(trace, 0, sizeof(*trace));
- trace->fraction = 1;
- trace->hitsupercontentsmask = hitsupercontentsmask;
- trace->skipsupercontentsmask = skipsupercontentsmask;
- trace->skipmaterialflagsmask = skipmaterialflagsmask;
- // push first node
- nodestackline[nodestackpos][0] = start[0];
- nodestackline[nodestackpos][1] = start[1];
- nodestackline[nodestackpos][2] = start[2];
- nodestackline[nodestackpos][3] = end[0];
- nodestackline[nodestackpos][4] = end[1];
- nodestackline[nodestackpos][5] = end[2];
- nodestack[nodestackpos++] = nodenum;
- while (nodestackpos)
- {
- nodenum = nodestack[--nodestackpos];
- node = bih->nodes + nodenum;
- VectorCopy(nodestackline[nodestackpos], nodestart);
- VectorCopy(nodestackline[nodestackpos] + 3, nodeend);
- sweepnodemins[0] = min(nodestart[0], nodeend[0]) - 1;
- sweepnodemins[1] = min(nodestart[1], nodeend[1]) - 1;
- sweepnodemins[2] = min(nodestart[2], nodeend[2]) - 1;
- sweepnodemaxs[0] = max(nodestart[0], nodeend[0]) + 1;
- sweepnodemaxs[1] = max(nodestart[1], nodeend[1]) + 1;
- sweepnodemaxs[2] = max(nodestart[2], nodeend[2]) + 1;
- if (!BoxesOverlap(sweepnodemins, sweepnodemaxs, node->mins, node->maxs) && !collision_bih_fullrecursion.integer)
- continue;
- if (node->type <= BIH_SPLITZ && nodestackpos+2 <= 1024)
- {
- // recurse children of the split
- axis = node->type - BIH_SPLITX;
- d1 = node->backmax - nodestart[axis];
- d2 = node->backmax - nodeend[axis];
- d3 = nodestart[axis] - node->frontmin;
- d4 = nodeend[axis] - node->frontmin;
- if (collision_bih_fullrecursion.integer)
- d1 = d2 = d3 = d4 = 1; // force full recursion
- switch((d1 < 0) | ((d2 < 0) << 1) | ((d3 < 0) << 2) | ((d4 < 0) << 3))
- {
- case 0: /* >>>> */ VectorCopy(nodestart, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->back; VectorCopy(nodestart, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->front; break;
- case 1: /* <>>> */ f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->back; VectorCopy(nodestart, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->front; break;
- case 2: /* ><>> */ f = d1 / (d1 - d2); VectorCopy(nodestart, nodestackline[nodestackpos]); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->back; VectorCopy(nodestart, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->front; break;
- case 3: /* <<>> */ VectorCopy(nodestart, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->front; break;
- case 4: /* >><> */ VectorCopy(nodestart, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->back; f = d3 / (d3 - d4); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->front; break;
- case 5: /* <><> */ f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->back; f = d3 / (d3 - d4); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->front; break;
- case 6: /* ><<> */ f = d1 / (d1 - d2); VectorCopy(nodestart, nodestackline[nodestackpos]); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->back; f = d3 / (d3 - d4); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->front; break;
- case 7: /* <<<> */ f = d3 / (d3 - d4); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->front; break;
- case 8: /* >>>< */ VectorCopy(nodestart, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->back; f = d3 / (d3 - d4); VectorCopy(nodestart, nodestackline[nodestackpos]); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->front; break;
- case 9: /* <>>< */ f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->back; f = d3 / (d3 - d4); VectorCopy(nodestart, nodestackline[nodestackpos]); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->front; break;
- case 10: /* ><>< */ f = d1 / (d1 - d2); VectorCopy(nodestart, nodestackline[nodestackpos]); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->back; f = d3 / (d3 - d4); VectorCopy(nodestart, nodestackline[nodestackpos]); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->front; break;
- case 11: /* <<>< */ f = d3 / (d3 - d4); VectorCopy(nodestart, nodestackline[nodestackpos]); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->front; break;
- case 12: /* >><< */ VectorCopy(nodestart, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->back; break;
- case 13: /* <><< */ f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->back; break;
- case 14: /* ><<< */ f = d1 / (d1 - d2); VectorCopy(nodestart, nodestackline[nodestackpos]); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->back; break;
- case 15: /* <<<< */ break;
- }
- }
- else if (node->type == BIH_UNORDERED)
- {
- // calculate sweep bounds for this node
- // copy node bounds into local variables
- VectorCopy(node->mins, nodebigmins);
- VectorCopy(node->maxs, nodebigmaxs);
- // clip line to this node bounds
- axis = 0; d1 = nodestart[axis] - nodebigmins[axis]; d2 = nodeend[axis] - nodebigmins[axis]; if (d1 < 0) { if (d2 < 0) continue; f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodestart); } else if (d2 < 0) { f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodeend); } d1 = nodebigmaxs[axis] - nodestart[axis]; d2 = nodebigmaxs[axis] - nodeend[axis]; if (d1 < 0) { if (d2 < 0) continue; f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodestart); } else if (d2 < 0) { f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodeend); }
- axis = 1; d1 = nodestart[axis] - nodebigmins[axis]; d2 = nodeend[axis] - nodebigmins[axis]; if (d1 < 0) { if (d2 < 0) continue; f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodestart); } else if (d2 < 0) { f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodeend); } d1 = nodebigmaxs[axis] - nodestart[axis]; d2 = nodebigmaxs[axis] - nodeend[axis]; if (d1 < 0) { if (d2 < 0) continue; f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodestart); } else if (d2 < 0) { f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodeend); }
- axis = 2; d1 = nodestart[axis] - nodebigmins[axis]; d2 = nodeend[axis] - nodebigmins[axis]; if (d1 < 0) { if (d2 < 0) continue; f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodestart); } else if (d2 < 0) { f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodeend); } d1 = nodebigmaxs[axis] - nodestart[axis]; d2 = nodebigmaxs[axis] - nodeend[axis]; if (d1 < 0) { if (d2 < 0) continue; f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodestart); } else if (d2 < 0) { f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodeend); }
- // some of the line intersected the enlarged node box
- // calculate sweep bounds for this node
- sweepnodemins[0] = min(nodestart[0], nodeend[0]) - 1;
- sweepnodemins[1] = min(nodestart[1], nodeend[1]) - 1;
- sweepnodemins[2] = min(nodestart[2], nodeend[2]) - 1;
- sweepnodemaxs[0] = max(nodestart[0], nodeend[0]) + 1;
- sweepnodemaxs[1] = max(nodestart[1], nodeend[1]) + 1;
- sweepnodemaxs[2] = max(nodestart[2], nodeend[2]) + 1;
- for (axis = 0;axis < BIH_MAXUNORDEREDCHILDREN && node->children[axis] >= 0;axis++)
- {
- leaf = bih->leafs + node->children[axis];
- if (!BoxesOverlap(sweepnodemins, sweepnodemaxs, leaf->mins, leaf->maxs))
- continue;
- switch(leaf->type)
- {
- case BIH_BRUSH:
- brush = model->brush.data_brushes[leaf->itemindex].colbrushf;
- Collision_TraceLineBrushFloat(trace, start, end, brush, brush);
- break;
- case BIH_COLLISIONTRIANGLE:
- if (!mod_q3bsp_curves_collisions.integer)
- continue;
- e = model->brush.data_collisionelement3i + 3*leaf->itemindex;
- texture = model->data_textures + leaf->textureindex;
- Collision_TraceLineTriangleFloat(trace, start, end, model->brush.data_collisionvertex3f + e[0] * 3, model->brush.data_collisionvertex3f + e[1] * 3, model->brush.data_collisionvertex3f + e[2] * 3, texture->supercontents, texture->surfaceflags, texture);
- break;
- case BIH_RENDERTRIANGLE:
- e = model->surfmesh.data_element3i + 3*leaf->itemindex;
- texture = model->data_textures + leaf->textureindex;
- Collision_TraceLineTriangleFloat(trace, start, end, model->surfmesh.data_vertex3f + e[0] * 3, model->surfmesh.data_vertex3f + e[1] * 3, model->surfmesh.data_vertex3f + e[2] * 3, texture->supercontents, texture->surfaceflags, texture);
- break;
- }
- }
- }
- }
- }
- void Mod_CollisionBIH_TraceLine(dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, trace_t *trace, const vec3_t start, const vec3_t end, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask)
- {
- if (VectorCompare(start, end))
- {
- Mod_CollisionBIH_TracePoint(model, frameblend, skeleton, trace, start, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask);
- return;
- }
- Mod_CollisionBIH_TraceLineShared(model, frameblend, skeleton, trace, start, end, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask, &model->collision_bih);
- }
- void Mod_CollisionBIH_TraceBrush(dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, trace_t *trace, colbrushf_t *thisbrush_start, colbrushf_t *thisbrush_end, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask)
- {
- const bih_t *bih;
- const bih_leaf_t *leaf;
- const bih_node_t *node;
- const colbrushf_t *brush;
- const int *e;
- const texture_t *texture;
- vec3_t start, end, startmins, startmaxs, endmins, endmaxs, mins, maxs;
- vec3_t nodebigmins, nodebigmaxs, nodestart, nodeend, sweepnodemins, sweepnodemaxs;
- vec_t d1, d2, d3, d4, f, nodestackline[1024][6];
- int axis, nodenum, nodestackpos = 0, nodestack[1024];
- if (mod_q3bsp_optimizedtraceline.integer && VectorCompare(thisbrush_start->mins, thisbrush_start->maxs) && VectorCompare(thisbrush_end->mins, thisbrush_end->maxs))
- {
- if (VectorCompare(thisbrush_start->mins, thisbrush_end->mins))
- Mod_CollisionBIH_TracePoint(model, frameblend, skeleton, trace, thisbrush_start->mins, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask);
- else
- Mod_CollisionBIH_TraceLine(model, frameblend, skeleton, trace, thisbrush_start->mins, thisbrush_end->mins, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask);
- return;
- }
- bih = &model->collision_bih;
- if(!bih->nodes)
- return;
- nodenum = bih->rootnode;
- // box trace, performed as brush trace
- memset(trace, 0, sizeof(*trace));
- trace->fraction = 1;
- trace->hitsupercontentsmask = hitsupercontentsmask;
- trace->skipsupercontentsmask = skipsupercontentsmask;
- trace->skipmaterialflagsmask = skipmaterialflagsmask;
- // calculate tracebox-like parameters for efficient culling
- VectorMAM(0.5f, thisbrush_start->mins, 0.5f, thisbrush_start->maxs, start);
- VectorMAM(0.5f, thisbrush_end->mins, 0.5f, thisbrush_end->maxs, end);
- VectorSubtract(thisbrush_start->mins, start, startmins);
- VectorSubtract(thisbrush_start->maxs, start, startmaxs);
- VectorSubtract(thisbrush_end->mins, end, endmins);
- VectorSubtract(thisbrush_end->maxs, end, endmaxs);
- mins[0] = min(startmins[0], endmins[0]);
- mins[1] = min(startmins[1], endmins[1]);
- mins[2] = min(startmins[2], endmins[2]);
- maxs[0] = max(startmaxs[0], endmaxs[0]);
- maxs[1] = max(startmaxs[1], endmaxs[1]);
- maxs[2] = max(startmaxs[2], endmaxs[2]);
- // push first node
- nodestackline[nodestackpos][0] = start[0];
- nodestackline[nodestackpos][1] = start[1];
- nodestackline[nodestackpos][2] = start[2];
- nodestackline[nodestackpos][3] = end[0];
- nodestackline[nodestackpos][4] = end[1];
- nodestackline[nodestackpos][5] = end[2];
- nodestack[nodestackpos++] = nodenum;
- while (nodestackpos)
- {
- nodenum = nodestack[--nodestackpos];
- node = bih->nodes + nodenum;
- VectorCopy(nodestackline[nodestackpos], nodestart);
- VectorCopy(nodestackline[nodestackpos] + 3, nodeend);
- sweepnodemins[0] = min(nodestart[0], nodeend[0]) + mins[0] - 1;
- sweepnodemins[1] = min(nodestart[1], nodeend[1]) + mins[1] - 1;
- sweepnodemins[2] = min(nodestart[2], nodeend[2]) + mins[2] - 1;
- sweepnodemaxs[0] = max(nodestart[0], nodeend[0]) + maxs[0] + 1;
- sweepnodemaxs[1] = max(nodestart[1], nodeend[1]) + maxs[1] + 1;
- sweepnodemaxs[2] = max(nodestart[2], nodeend[2]) + maxs[2] + 1;
- if (!BoxesOverlap(sweepnodemins, sweepnodemaxs, node->mins, node->maxs))
- continue;
- if (node->type <= BIH_SPLITZ && nodestackpos+2 <= 1024)
- {
- // recurse children of the split
- axis = node->type - BIH_SPLITX;
- d1 = node->backmax - nodestart[axis] - mins[axis];
- d2 = node->backmax - nodeend[axis] - mins[axis];
- d3 = nodestart[axis] - node->frontmin + maxs[axis];
- d4 = nodeend[axis] - node->frontmin + maxs[axis];
- switch((d1 < 0) | ((d2 < 0) << 1) | ((d3 < 0) << 2) | ((d4 < 0) << 3))
- {
- case 0: /* >>>> */ VectorCopy(nodestart, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->back; VectorCopy(nodestart, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->front; break;
- case 1: /* <>>> */ f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->back; VectorCopy(nodestart, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->front; break;
- case 2: /* ><>> */ f = d1 / (d1 - d2); VectorCopy(nodestart, nodestackline[nodestackpos]); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->back; VectorCopy(nodestart, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->front; break;
- case 3: /* <<>> */ VectorCopy(nodestart, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->front; break;
- case 4: /* >><> */ VectorCopy(nodestart, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->back; f = d3 / (d3 - d4); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->front; break;
- case 5: /* <><> */ f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->back; f = d3 / (d3 - d4); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->front; break;
- case 6: /* ><<> */ f = d1 / (d1 - d2); VectorCopy(nodestart, nodestackline[nodestackpos]); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->back; f = d3 / (d3 - d4); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->front; break;
- case 7: /* <<<> */ f = d3 / (d3 - d4); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->front; break;
- case 8: /* >>>< */ VectorCopy(nodestart, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->back; f = d3 / (d3 - d4); VectorCopy(nodestart, nodestackline[nodestackpos]); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->front; break;
- case 9: /* <>>< */ f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->back; f = d3 / (d3 - d4); VectorCopy(nodestart, nodestackline[nodestackpos]); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->front; break;
- case 10: /* ><>< */ f = d1 / (d1 - d2); VectorCopy(nodestart, nodestackline[nodestackpos]); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->back; f = d3 / (d3 - d4); VectorCopy(nodestart, nodestackline[nodestackpos]); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->front; break;
- case 11: /* <<>< */ f = d3 / (d3 - d4); VectorCopy(nodestart, nodestackline[nodestackpos]); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->front; break;
- case 12: /* >><< */ VectorCopy(nodestart, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->back; break;
- case 13: /* <><< */ f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos]); VectorCopy( nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->back; break;
- case 14: /* ><<< */ f = d1 / (d1 - d2); VectorCopy(nodestart, nodestackline[nodestackpos]); VectorLerp(nodestart, f, nodeend, nodestackline[nodestackpos] + 3); nodestack[nodestackpos++] = node->back; break;
- case 15: /* <<<< */ break;
- }
- }
- else if (node->type == BIH_UNORDERED)
- {
- // calculate sweep bounds for this node
- // copy node bounds into local variables and expand to get Minkowski Sum of the two shapes
- VectorSubtract(node->mins, maxs, nodebigmins);
- VectorSubtract(node->maxs, mins, nodebigmaxs);
- // clip line to this node bounds
- axis = 0; d1 = nodestart[axis] - nodebigmins[axis]; d2 = nodeend[axis] - nodebigmins[axis]; if (d1 < 0) { if (d2 < 0) continue; f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodestart); } else if (d2 < 0) { f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodeend); } d1 = nodebigmaxs[axis] - nodestart[axis]; d2 = nodebigmaxs[axis] - nodeend[axis]; if (d1 < 0) { if (d2 < 0) continue; f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodestart); } else if (d2 < 0) { f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodeend); }
- axis = 1; d1 = nodestart[axis] - nodebigmins[axis]; d2 = nodeend[axis] - nodebigmins[axis]; if (d1 < 0) { if (d2 < 0) continue; f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodestart); } else if (d2 < 0) { f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodeend); } d1 = nodebigmaxs[axis] - nodestart[axis]; d2 = nodebigmaxs[axis] - nodeend[axis]; if (d1 < 0) { if (d2 < 0) continue; f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodestart); } else if (d2 < 0) { f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodeend); }
- axis = 2; d1 = nodestart[axis] - nodebigmins[axis]; d2 = nodeend[axis] - nodebigmins[axis]; if (d1 < 0) { if (d2 < 0) continue; f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodestart); } else if (d2 < 0) { f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodeend); } d1 = nodebigmaxs[axis] - nodestart[axis]; d2 = nodebigmaxs[axis] - nodeend[axis]; if (d1 < 0) { if (d2 < 0) continue; f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodestart); } else if (d2 < 0) { f = d1 / (d1 - d2); VectorLerp(nodestart, f, nodeend, nodeend); }
- // some of the line intersected the enlarged node box
- // calculate sweep bounds for this node
- sweepnodemins[0] = min(nodestart[0], nodeend[0]) + mins[0] - 1;
- sweepnodemins[1] = min(nodestart[1], nodeend[1]) + mins[1] - 1;
- sweepnodemins[2] = min(nodestart[2], nodeend[2]) + mins[2] - 1;
- sweepnodemaxs[0] = max(nodestart[0], nodeend[0]) + maxs[0] + 1;
- sweepnodemaxs[1] = max(nodestart[1], nodeend[1]) + maxs[1] + 1;
- sweepnodemaxs[2] = max(nodestart[2], nodeend[2]) + maxs[2] + 1;
- for (axis = 0;axis < BIH_MAXUNORDEREDCHILDREN && node->children[axis] >= 0;axis++)
- {
- leaf = bih->leafs + node->children[axis];
- if (!BoxesOverlap(sweepnodemins, sweepnodemaxs, leaf->mins, leaf->maxs))
- continue;
- switch(leaf->type)
- {
- case BIH_BRUSH:
- brush = model->brush.data_brushes[leaf->itemindex].colbrushf;
- Collision_TraceBrushBrushFloat(trace, thisbrush_start, thisbrush_end, brush, brush);
- break;
- case BIH_COLLISIONTRIANGLE:
- if (!mod_q3bsp_curves_collisions.integer)
- continue;
- e = model->brush.data_collisionelement3i + 3*leaf->itemindex;
- texture = model->data_textures + leaf->textureindex;
- Collision_TraceBrushTriangleFloat(trace, thisbrush_start, thisbrush_end, model->brush.data_collisionvertex3f + e[0] * 3, model->brush.data_collisionvertex3f + e[1] * 3, model->brush.data_collisionvertex3f + e[2] * 3, texture->supercontents, texture->surfaceflags, texture);
- break;
- case BIH_RENDERTRIANGLE:
- e = model->surfmesh.data_element3i + 3*leaf->itemindex;
- texture = model->data_textures + leaf->textureindex;
- Collision_TraceBrushTriangleFloat(trace, thisbrush_start, thisbrush_end, model->surfmesh.data_vertex3f + e[0] * 3, model->surfmesh.data_vertex3f + e[1] * 3, model->surfmesh.data_vertex3f + e[2] * 3, texture->supercontents, texture->surfaceflags, texture);
- break;
- }
- }
- }
- }
- }
- void Mod_CollisionBIH_TraceBox(dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, trace_t *trace, const vec3_t start, const vec3_t boxmins, const vec3_t boxmaxs, const vec3_t end, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask)
- {
- colboxbrushf_t thisbrush_start, thisbrush_end;
- vec3_t boxstartmins, boxstartmaxs, boxendmins, boxendmaxs;
- // box trace, performed as brush trace
- VectorAdd(start, boxmins, boxstartmins);
- VectorAdd(start, boxmaxs, boxstartmaxs);
- VectorAdd(end, boxmins, boxendmins);
- VectorAdd(end, boxmaxs, boxendmaxs);
- Collision_BrushForBox(&thisbrush_start, boxstartmins, boxstartmaxs, 0, 0, NULL);
- Collision_BrushForBox(&thisbrush_end, boxendmins, boxendmaxs, 0, 0, NULL);
- Mod_CollisionBIH_TraceBrush(model, frameblend, skeleton, trace, &thisbrush_start.brush, &thisbrush_end.brush, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask);
- }
- int Mod_CollisionBIH_PointSuperContents(struct model_s *model, int frame, const vec3_t point)
- {
- trace_t trace;
- Mod_CollisionBIH_TracePoint(model, NULL, NULL, &trace, point, 0, 0, 0);
- return trace.startsupercontents;
- }
- qboolean Mod_CollisionBIH_TraceLineOfSight(struct model_s *model, const vec3_t start, const vec3_t end, const vec3_t acceptmins, const vec3_t acceptmaxs)
- {
- trace_t trace;
- Mod_CollisionBIH_TraceLine(model, NULL, NULL, &trace, start, end, SUPERCONTENTS_VISBLOCKERMASK, 0, MATERIALFLAGMASK_TRANSLUCENT);
- return trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, acceptmins, acceptmaxs);
- }
- void Mod_CollisionBIH_TracePoint_Mesh(dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, trace_t *trace, const vec3_t start, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask)
- {
- #if 0
- // broken - needs to be modified to count front faces and backfaces to figure out if it is in solid
- vec3_t end;
- int hitsupercontents;
- VectorSet(end, start[0], start[1], model->normalmins[2]);
- #endif
- memset(trace, 0, sizeof(*trace));
- trace->fraction = 1;
- trace->hitsupercontentsmask = hitsupercontentsmask;
- trace->skipsupercontentsmask = skipsupercontentsmask;
- trace->skipmaterialflagsmask = skipmaterialflagsmask;
- #if 0
- Mod_CollisionBIH_TraceLine(model, frameblend, skeleton, trace, start, end, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask);
- hitsupercontents = trace->hitsupercontents;
- memset(trace, 0, sizeof(*trace));
- trace->fraction = 1;
- trace->hitsupercontentsmask = hitsupercontentsmask;
- trace->skipsupercontentsmask = skipsupercontentsmask;
- trace->skipmaterialflagsmask = skipmaterialflagsmask;
- trace->startsupercontents = hitsupercontents;
- #endif
- }
- int Mod_CollisionBIH_PointSuperContents_Mesh(struct model_s *model, int frame, const vec3_t start)
- {
- #if 0
- // broken - needs to be modified to count front faces and backfaces to figure out if it is in solid
- trace_t trace;
- vec3_t end;
- VectorSet(end, start[0], start[1], model->normalmins[2]);
- memset(&trace, 0, sizeof(trace));
- trace.fraction = 1;
- trace.hitsupercontentsmask = hitsupercontentsmask;
- trace.skipsupercontentsmask = skipsupercontentsmask;
- trace.skipmaterialflagsmask = skipmaterialflagsmask;
- Mod_CollisionBIH_TraceLine(model, frameblend, skeleton, trace, start, end, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask);
- return trace.hitsupercontents;
- #else
- return 0;
- #endif
- }
- static void Mod_Q3BSP_TracePoint_RecursiveBSPNode(trace_t *trace, dp_model_t *model, mnode_t *node, const vec3_t point, int markframe)
- {
- int i;
- mleaf_t *leaf;
- colbrushf_t *brush;
- // find which leaf the point is in
- while (node->plane)
- node = node->children[(node->plane->type < 3 ? point[node->plane->type] : DotProduct(point, node->plane->normal)) < node->plane->dist];
- // point trace the brushes
- leaf = (mleaf_t *)node;
- for (i = 0;i < leaf->numleafbrushes;i++)
- {
- brush = model->brush.data_brushes[leaf->firstleafbrush[i]].colbrushf;
- if (brush && brush->markframe != markframe && BoxesOverlap(point, point, brush->mins, brush->maxs))
- {
- brush->markframe = markframe;
- Collision_TracePointBrushFloat(trace, point, brush);
- }
- }
- // can't do point traces on curves (they have no thickness)
- }
- static void Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace_t *trace, dp_model_t *model, mnode_t *node, const vec3_t start, const vec3_t end, vec_t startfrac, vec_t endfrac, const vec3_t linestart, const vec3_t lineend, int markframe, const vec3_t segmentmins, const vec3_t segmentmaxs)
- {
- int i, startside, endside;
- float dist1, dist2, midfrac, mid[3], nodesegmentmins[3], nodesegmentmaxs[3];
- mleaf_t *leaf;
- msurface_t *surface;
- mplane_t *plane;
- colbrushf_t *brush;
- // walk the tree until we hit a leaf, recursing for any split cases
- while (node->plane)
- {
- #if 0
- if (!BoxesOverlap(segmentmins, segmentmaxs, node->mins, node->maxs))
- return;
- Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, model, node->children[0], start, end, startfrac, endfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
- node = node->children[1];
- #else
- // abort if this part of the bsp tree can not be hit by this trace
- // if (!(node->combinedsupercontents & trace->hitsupercontentsmask))
- // return;
- plane = node->plane;
- // axial planes are much more common than non-axial, so an optimized
- // axial case pays off here
- if (plane->type < 3)
- {
- dist1 = start[plane->type] - plane->dist;
- dist2 = end[plane->type] - plane->dist;
- }
- else
- {
- dist1 = DotProduct(start, plane->normal) - plane->dist;
- dist2 = DotProduct(end, plane->normal) - plane->dist;
- }
- startside = dist1 < 0;
- endside = dist2 < 0;
- if (startside == endside)
- {
- // most of the time the line fragment is on one side of the plane
- node = node->children[startside];
- }
- else
- {
- // line crosses node plane, split the line
- dist1 = PlaneDiff(linestart, plane);
- dist2 = PlaneDiff(lineend, plane);
- midfrac = dist1 / (dist1 - dist2);
- VectorLerp(linestart, midfrac, lineend, mid);
- // take the near side first
- Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, model, node->children[startside], start, mid, startfrac, midfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
- // if we found an impact on the front side, don't waste time
- // exploring the far side
- if (midfrac <= trace->fraction)
- Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, model, node->children[endside], mid, end, midfrac, endfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
- return;
- }
- #endif
- }
- // abort if this part of the bsp tree can not be hit by this trace
- // if (!(node->combinedsupercontents & trace->hitsupercontentsmask))
- // return;
- // hit a leaf
- nodesegmentmins[0] = min(start[0], end[0]) - 1;
- nodesegmentmins[1] = min(start[1], end[1]) - 1;
- nodesegmentmins[2] = min(start[2], end[2]) - 1;
- nodesegmentmaxs[0] = max(start[0], end[0]) + 1;
- nodesegmentmaxs[1] = max(start[1], end[1]) + 1;
- nodesegmentmaxs[2] = max(start[2], end[2]) + 1;
- // line trace the brushes
- leaf = (mleaf_t *)node;
- #if 0
- if (!BoxesOverlap(segmentmins, segmentmaxs, leaf->mins, leaf->maxs))
- return;
- #endif
- for (i = 0;i < leaf->numleafbrushes;i++)
- {
- brush = model->brush.data_brushes[leaf->firstleafbrush[i]].colbrushf;
- if (brush && brush->markframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, brush->mins, brush->maxs))
- {
- brush->markframe = markframe;
- Collision_TraceLineBrushFloat(trace, linestart, lineend, brush, brush);
- }
- }
- // can't do point traces on curves (they have no thickness)
- if (leaf->containscollisionsurfaces && mod_q3bsp_curves_collisions.integer && !VectorCompare(start, end))
- {
- // line trace the curves
- for (i = 0;i < leaf->numleafsurfaces;i++)
- {
- surface = model->data_surfaces + leaf->firstleafsurface[i];
- if (surface->num_collisiontriangles && surface->deprecatedq3collisionmarkframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, surface->mins, surface->maxs))
- {
- surface->deprecatedq3collisionmarkframe = markframe;
- Collision_TraceLineTriangleMeshFloat(trace, linestart, lineend, surface->num_collisiontriangles, surface->deprecatedq3data_collisionelement3i, surface->deprecatedq3data_collisionvertex3f, surface->deprecatedq3num_collisionbboxstride, surface->deprecatedq3data_collisionbbox6f, surface->texture->supercontents, surface->texture->surfaceflags, surface->texture, segmentmins, segmentmaxs);
- }
- }
- }
- }
- static void Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace_t *trace, dp_model_t *model, mnode_t *node, const colbrushf_t *thisbrush_start, const colbrushf_t *thisbrush_end, int markframe, const vec3_t segmentmins, const vec3_t segmentmaxs)
- {
- int i;
- int sides;
- mleaf_t *leaf;
- colbrushf_t *brush;
- msurface_t *surface;
- mplane_t *plane;
- float nodesegmentmins[3], nodesegmentmaxs[3];
- // walk the tree until we hit a leaf, recursing for any split cases
- while (node->plane)
- {
- #if 0
- if (!BoxesOverlap(segmentmins, segmentmaxs, node->mins, node->maxs))
- return;
- Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, model, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
- node = node->children[1];
- #else
- // abort if this part of the bsp tree can not be hit by this trace
- // if (!(node->combinedsupercontents & trace->hitsupercontentsmask))
- // return;
- plane = node->plane;
- // axial planes are much more common than non-axial, so an optimized
- // axial case pays off here
- if (plane->type < 3)
- {
- // this is an axial plane, compare bounding box directly to it and
- // recurse sides accordingly
- // recurse down node sides
- // use an inlined axial BoxOnPlaneSide to slightly reduce overhead
- //sides = BoxOnPlaneSide(nodesegmentmins, nodesegmentmaxs, plane);
- //sides = ((segmentmaxs[plane->type] >= plane->dist) | ((segmentmins[plane->type] < plane->dist) << 1));
- sides = ((segmentmaxs[plane->type] >= plane->dist) + ((segmentmins[plane->type] < plane->dist) * 2));
- }
- else
- {
- // this is a non-axial plane, so check if the start and end boxes
- // are both on one side of the plane to handle 'diagonal' cases
- sides = BoxOnPlaneSide(thisbrush_start->mins, thisbrush_start->maxs, plane) | BoxOnPlaneSide(thisbrush_end->mins, thisbrush_end->maxs, plane);
- }
- if (sides == 3)
- {
- // segment crosses plane
- Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, model, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
- sides = 2;
- }
- // if sides == 0 then the trace itself is bogus (Not A Number values),
- // in this case we simply pretend the trace hit nothing
- if (sides == 0)
- return; // ERROR: NAN bounding box!
- // take whichever side the segment box is on
- node = node->children[sides - 1];
- #endif
- }
- // abort if this part of the bsp tree can not be hit by this trace
- // if (!(node->combinedsupercontents & trace->hitsupercontentsmask))
- // return;
- nodesegmentmins[0] = max(segmentmins[0], node->mins[0] - 1);
- nodesegmentmins[1] = max(segmentmins[1], node->mins[1] - 1);
- nodesegmentmins[2] = max(segmentmins[2], node->mins[2] - 1);
- nodesegmentmaxs[0] = min(segmentmaxs[0], node->maxs[0] + 1);
- nodesegmentmaxs[1] = min(segmentmaxs[1], node->maxs[1] + 1);
- nodesegmentmaxs[2] = min(segmentmaxs[2], node->maxs[2] + 1);
- // hit a leaf
- leaf = (mleaf_t *)node;
- #if 0
- if (!BoxesOverlap(segmentmins, segmentmaxs, leaf->mins, leaf->maxs))
- return;
- #endif
- for (i = 0;i < leaf->numleafbrushes;i++)
- {
- brush = model->brush.data_brushes[leaf->firstleafbrush[i]].colbrushf;
- if (brush && brush->markframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, brush->mins, brush->maxs))
- {
- brush->markframe = markframe;
- Collision_TraceBrushBrushFloat(trace, thisbrush_start, thisbrush_end, brush, brush);
- }
- }
- if (leaf->containscollisionsurfaces && mod_q3bsp_curves_collisions.integer)
- {
- for (i = 0;i < leaf->numleafsurfaces;i++)
- {
- surface = model->data_surfaces + leaf->firstleafsurface[i];
- if (surface->num_collisiontriangles && surface->deprecatedq3collisionmarkframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, surface->mins, surface->maxs))
- {
- surface->deprecatedq3collisionmarkframe = markframe;
- Collision_TraceBrushTriangleMeshFloat(trace, thisbrush_start, thisbrush_end, surface->num_collisiontriangles, surface->deprecatedq3data_collisionelement3i, surface->deprecatedq3data_collisionvertex3f, surface->deprecatedq3num_collisionbboxstride, surface->deprecatedq3data_collisionbbox6f, surface->texture->supercontents, surface->texture->surfaceflags, surface->texture, segmentmins, segmentmaxs);
- }
- }
- }
- }
- static int markframe = 0;
- static void Mod_Q3BSP_TracePoint(dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, trace_t *trace, const vec3_t start, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask)
- {
- int i;
- q3mbrush_t *brush;
- memset(trace, 0, sizeof(*trace));
- trace->fraction = 1;
- trace->hitsupercontentsmask = hitsupercontentsmask;
- trace->skipsupercontentsmask = skipsupercontentsmask;
- trace->skipmaterialflagsmask = skipmaterialflagsmask;
- if (mod_collision_bih.integer)
- Mod_CollisionBIH_TracePoint(model, frameblend, skeleton, trace, start, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask);
- else if (model->brush.submodel)
- {
- for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
- if (brush->colbrushf)
- Collision_TracePointBrushFloat(trace, start, brush->colbrushf);
- }
- else
- Mod_Q3BSP_TracePoint_RecursiveBSPNode(trace, model, model->brush.data_nodes, start, ++markframe);
- }
- static void Mod_Q3BSP_TraceLine(dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, trace_t *trace, const vec3_t start, const vec3_t end, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask)
- {
- int i;
- float segmentmins[3], segmentmaxs[3];
- msurface_t *surface;
- q3mbrush_t *brush;
- if (VectorCompare(start, end))
- {
- Mod_Q3BSP_TracePoint(model, frameblend, skeleton, trace, start, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask);
- return;
- }
- memset(trace, 0, sizeof(*trace));
- trace->fraction = 1;
- trace->hitsupercontentsmask = hitsupercontentsmask;
- trace->skipsupercontentsmask = skipsupercontentsmask;
- trace->skipmaterialflagsmask = skipmaterialflagsmask;
- segmentmins[0] = min(start[0], end[0]) - 1;
- segmentmins[1] = min(start[1], end[1]) - 1;
- segmentmins[2] = min(start[2], end[2]) - 1;
- segmentmaxs[0] = max(start[0], end[0]) + 1;
- segmentmaxs[1] = max(start[1], end[1]) + 1;
- segmentmaxs[2] = max(start[2], end[2]) + 1;
- if (mod_collision_bih.integer)
- Mod_CollisionBIH_TraceLine(model, frameblend, skeleton, trace, start, end, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask);
- else if (model->brush.submodel)
- {
- for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
- if (brush->colbrushf && BoxesOverlap(segmentmins, segmentmaxs, brush->colbrushf->mins, brush->colbrushf->maxs))
- Collision_TraceLineBrushFloat(trace, start, end, brush->colbrushf, brush->colbrushf);
- if (mod_q3bsp_curves_collisions.integer)
- for (i = 0, surface = model->data_surfaces + model->firstmodelsurface;i < model->nummodelsurfaces;i++, surface++)
- if (surface->num_collisiontriangles && BoxesOverlap(segmentmins, segmentmaxs, surface->mins, surface->maxs))
- Collision_TraceLineTriangleMeshFloat(trace, start, end, surface->num_collisiontriangles, surface->deprecatedq3data_collisionelement3i, surface->deprecatedq3data_collisionvertex3f, surface->deprecatedq3num_collisionbboxstride, surface->deprecatedq3data_collisionbbox6f, surface->texture->supercontents, surface->texture->surfaceflags, surface->texture, segmentmins, segmentmaxs);
- }
- else
- Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, model, model->brush.data_nodes, start, end, 0, 1, start, end, ++markframe, segmentmins, segmentmaxs);
- }
- static void Mod_Q3BSP_TraceBrush(dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, trace_t *trace, colbrushf_t *start, colbrushf_t *end, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask)
- {
- float segmentmins[3], segmentmaxs[3];
- int i;
- msurface_t *surface;
- q3mbrush_t *brush;
- if (mod_q3bsp_optimizedtraceline.integer && VectorCompare(start->mins, start->maxs) && VectorCompare(end->mins, end->maxs))
- {
- if (VectorCompare(start->mins, end->mins))
- Mod_Q3BSP_TracePoint(model, frameblend, skeleton, trace, start->mins, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask);
- else
- Mod_Q3BSP_TraceLine(model, frameblend, skeleton, trace, start->mins, end->mins, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask);
- return;
- }
- // box trace, performed as brush trace
- memset(trace, 0, sizeof(*trace));
- trace->fraction = 1;
- trace->hitsupercontentsmask = hitsupercontentsmask;
- trace->skipsupercontentsmask = skipsupercontentsmask;
- trace->skipmaterialflagsmask = skipmaterialflagsmask;
- segmentmins[0] = min(start->mins[0], end->mins[0]) - 1;
- segmentmins[1] = min(start->mins[1], end->mins[1]) - 1;
- segmentmins[2] = min(start->mins[2], end->mins[2]) - 1;
- segmentmaxs[0] = max(start->maxs[0], end->maxs[0]) + 1;
- segmentmaxs[1] = max(start->maxs[1], end->maxs[1]) + 1;
- segmentmaxs[2] = max(start->maxs[2], end->maxs[2]) + 1;
- if (mod_collision_bih.integer)
- Mod_CollisionBIH_TraceBrush(model, frameblend, skeleton, trace, start, end, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask);
- else if (model->brush.submodel)
- {
- for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
- if (brush->colbrushf && BoxesOverlap(segmentmins, segmentmaxs, brush->colbrushf->mins, brush->colbrushf->maxs))
- Collision_TraceBrushBrushFloat(trace, start, end, brush->colbrushf, brush->colbrushf);
- if (mod_q3bsp_curves_collisions.integer)
- for (i = 0, surface = model->data_surfaces + model->firstmodelsurface;i < model->nummodelsurfaces;i++, surface++)
- if (surface->num_collisiontriangles && BoxesOverlap(segmentmins, segmentmaxs, surface->mins, surface->maxs))
- Collision_TraceBrushTriangleMeshFloat(trace, start, end, surface->num_collisiontriangles, surface->deprecatedq3data_collisionelement3i, surface->deprecatedq3data_collisionvertex3f, surface->deprecatedq3num_collisionbboxstride, surface->deprecatedq3data_collisionbbox6f, surface->texture->supercontents, surface->texture->surfaceflags, surface->texture, segmentmins, segmentmaxs);
- }
- else
- Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, model, model->brush.data_nodes, start, end, ++markframe, segmentmins, segmentmaxs);
- }
- static void Mod_Q3BSP_TraceBox(dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, trace_t *trace, const vec3_t start, const vec3_t boxmins, const vec3_t boxmaxs, const vec3_t end, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask)
- {
- colboxbrushf_t thisbrush_start, thisbrush_end;
- vec3_t boxstartmins, boxstartmaxs, boxendmins, boxendmaxs;
- // box trace, performed as brush trace
- VectorAdd(start, boxmins, boxstartmins);
- VectorAdd(start, boxmaxs, boxstartmaxs);
- VectorAdd(end, boxmins, boxendmins);
- VectorAdd(end, boxmaxs, boxendmaxs);
- Collision_BrushForBox(&thisbrush_start, boxstartmins, boxstartmaxs, 0, 0, NULL);
- Collision_BrushForBox(&thisbrush_end, boxendmins, boxendmaxs, 0, 0, NULL);
- Mod_Q3BSP_TraceBrush(model, frameblend, skeleton, trace, &thisbrush_start.brush, &thisbrush_end.brush, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask);
- }
- static int Mod_Q3BSP_PointSuperContents(struct model_s *model, int frame, const vec3_t point)
- {
- int i;
- int supercontents = 0;
- q3mbrush_t *brush;
- if (mod_collision_bih.integer)
- {
- supercontents = Mod_CollisionBIH_PointSuperContents(model, frame, point);
- }
- // test if the point is inside each brush
- else if (model->brush.submodel)
- {
- // submodels are effectively one leaf
- for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
- if (brush->colbrushf && Collision_PointInsideBrushFloat(point, brush->colbrushf))
- supercontents |= brush->colbrushf->supercontents;
- }
- else
- {
- mnode_t *node = model->brush.data_nodes;
- mleaf_t *leaf;
- // find which leaf the point is in
- while (node->plane)
- node = node->children[(node->plane->type < 3 ? point[node->plane->type] : DotProduct(point, node->plane->normal)) < node->plane->dist];
- leaf = (mleaf_t *)node;
- // now check the brushes in the leaf
- for (i = 0;i < leaf->numleafbrushes;i++)
- {
- brush = model->brush.data_brushes + leaf->firstleafbrush[i];
- if (brush->colbrushf && Collision_PointInsideBrushFloat(point, brush->colbrushf))
- supercontents |= brush->colbrushf->supercontents;
- }
- }
- return supercontents;
- }
- void Mod_CollisionBIH_TraceLineAgainstSurfaces(dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, trace_t *trace, const vec3_t start, const vec3_t end, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask)
- {
- Mod_CollisionBIH_TraceLineShared(model, frameblend, skeleton, trace, start, end, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask, &model->render_bih);
- }
- bih_t *Mod_MakeCollisionBIH(dp_model_t *model, qboolean userendersurfaces, bih_t *out)
- {
- int j;
- int bihnumleafs;
- int bihmaxnodes;
- int brushindex;
- int triangleindex;
- int bihleafindex;
- int nummodelbrushes = model->nummodelbrushes;
- int nummodelsurfaces = model->nummodelsurfaces;
- const int *e;
- const int *collisionelement3i;
- const float *collisionvertex3f;
- const int *renderelement3i;
- const float *rendervertex3f;
- bih_leaf_t *bihleafs;
- bih_node_t *bihnodes;
- int *temp_leafsort;
- int *temp_leafsortscratch;
- const msurface_t *surface;
- const q3mbrush_t *brush;
- // find out how many BIH leaf nodes we need
- bihnumleafs = 0;
- if (userendersurfaces)
- {
- for (j = 0, surface = model->data_surfaces + model->firstmodelsurface;j < nummodelsurfaces;j++, surface++)
- bihnumleafs += surface->num_triangles;
- }
- else
- {
- for (brushindex = 0, brush = model->brush.data_brushes + brushindex+model->firstmodelbrush;brushindex < nummodelbrushes;brushindex++, brush++)
- if (brush->colbrushf)
- bihnumleafs++;
- for (j = 0, surface = model->data_surfaces + model->firstmodelsurface;j < nummodelsurfaces;j++, surface++)
- {
- if (surface->texture->basematerialflags & MATERIALFLAG_MESHCOLLISIONS)
- bihnumleafs += surface->num_triangles + surface->num_collisiontriangles;
- else
- bihnumleafs += surface->num_collisiontriangles;
- }
- }
- if (!bihnumleafs)
- return NULL;
- // allocate the memory for the BIH leaf nodes
- bihleafs = (bih_leaf_t *)Mem_Alloc(loadmodel->mempool, sizeof(bih_leaf_t) * bihnumleafs);
- // now populate the BIH leaf nodes
- bihleafindex = 0;
- // add render surfaces
- renderelement3i = model->surfmesh.data_element3i;
- rendervertex3f = model->surfmesh.data_vertex3f;
- for (j = 0, surface = model->data_surfaces + model->firstmodelsurface;j < nummodelsurfaces;j++, surface++)
- {
- for (triangleindex = 0, e = renderelement3i + 3*surface->num_firsttriangle;triangleindex < surface->num_triangles;triangleindex++, e += 3)
- {
- if (!userendersurfaces && !(surface->texture->basematerialflags & MATERIALFLAG_MESHCOLLISIONS))
- continue;
- bihleafs[bihleafindex].type = BIH_RENDERTRIANGLE;
- bihleafs[bihleafindex].textureindex = surface->texture - model->data_textures;
- bihleafs[bihleafindex].surfaceindex = surface - model->data_surfaces;
- bihleafs[bihleafindex].itemindex = triangleindex+surface->num_firsttriangle;
- bihleafs[bihleafindex].mins[0] = min(rendervertex3f[3*e[0]+0], min(rendervertex3f[3*e[1]+0], rendervertex3f[3*e[2]+0])) - 1;
- bihleafs[bihleafindex].mins[1] = min(rendervertex3f[3*e[0]+1], min(rendervertex3f[3*e[1]+1], rendervertex3f[3*e[2]+1])) - 1;
- bihleafs[bihleafindex].mins[2] = min(rendervertex3f[3*e[0]+2], min(rendervertex3f[3*e[1]+2], rendervertex3f[3*e[2]+2])) - 1;
- bihleafs[bihleafindex].maxs[0] = max(rendervertex3f[3*e[0]+0], max(rendervertex3f[3*e[1]+0], rendervertex3f[3*e[2]+0])) + 1;
- bihleafs[bihleafindex].maxs[1] = max(rendervertex3f[3*e[0]+1], max(rendervertex3f[3*e[1]+1], rendervertex3f[3*e[2]+1])) + 1;
- bihleafs[bihleafindex].maxs[2] = max(rendervertex3f[3*e[0]+2], max(rendervertex3f[3*e[1]+2], rendervertex3f[3*e[2]+2])) + 1;
- bihleafindex++;
- }
- }
- if (!userendersurfaces)
- {
- // add collision brushes
- for (brushindex = 0, brush = model->brush.data_brushes + brushindex+model->firstmodelbrush;brushindex < nummodelbrushes;brushindex++, brush++)
- {
- if (!brush->colbrushf)
- continue;
- bihleafs[bihleafindex].type = BIH_BRUSH;
- bihleafs[bihleafindex].textureindex = brush->texture - model->data_textures;
- bihleafs[bihleafindex].surfaceindex = -1;
- bihleafs[bihleafindex].itemindex = brushindex+model->firstmodelbrush;
- VectorCopy(brush->colbrushf->mins, bihleafs[bihleafindex].mins);
- VectorCopy(brush->colbrushf->maxs, bihleafs[bihleafindex].maxs);
- bihleafindex++;
- }
- // add collision surfaces
- collisionelement3i = model->brush.data_collisionelement3i;
- collisionvertex3f = model->brush.data_collisionvertex3f;
- for (j = 0, surface = model->data_surfaces + model->firstmodelsurface;j < nummodelsurfaces;j++, surface++)
- {
- for (triangleindex = 0, e = collisionelement3i + 3*surface->num_firstcollisiontriangle;triangleindex < surface->num_collisiontriangles;triangleindex++, e += 3)
- {
- bihleafs[bihleafindex].type = BIH_COLLISIONTRIANGLE;
- bihleafs[bihleafindex].textureindex = surface->texture - model->data_textures;
- bihleafs[bihleafindex].surfaceindex = surface - model->data_surfaces;
- bihleafs[bihleafindex].itemindex = triangleindex+surface->num_firstcollisiontriangle;
- bihleafs[bihleafindex].mins[0] = min(collisionvertex3f[3*e[0]+0], min(collisionvertex3f[3*e[1]+0], collisionvertex3f[3*e[2]+0])) - 1;
- bihleafs[bihleafindex].mins[1] = min(collisionvertex3f[3*e[0]+1], min(collisionvertex3f[3*e[1]+1], collisionvertex3f[3*e[2]+1])) - 1;
- bihleafs[bihleafindex].mins[2] = min(collisionvertex3f[3*e[0]+2], min(collisionvertex3f[3*e[1]+2], collisionvertex3f[3*e[2]+2])) - 1;
- bihleafs[bihleafindex].maxs[0] = max(collisionvertex3f[3*e[0]+0], max(collisionvertex3f[3*e[1]+0], collisionvertex3f[3*e[2]+0])) + 1;
- bihleafs[bihleafindex].maxs[1] = max(collisionvertex3f[3*e[0]+1], max(collisionvertex3f[3*e[1]+1], collisionvertex3f[3*e[2]+1])) + 1;
- bihleafs[bihleafindex].maxs[2] = max(collisionvertex3f[3*e[0]+2], max(collisionvertex3f[3*e[1]+2], collisionvertex3f[3*e[2]+2])) + 1;
- bihleafindex++;
- }
- }
- }
- // allocate buffers for the produced and temporary data
- bihmaxnodes = bihnumleafs + 1;
- bihnodes = (bih_node_t *)Mem_Alloc(loadmodel->mempool, sizeof(bih_node_t) * bihmaxnodes);
- temp_leafsort = (int *)Mem_Alloc(loadmodel->mempool, sizeof(int) * bihnumleafs * 2);
- temp_leafsortscratch = temp_leafsort + bihnumleafs;
- // now build it
- BIH_Build(out, bihnumleafs, bihleafs, bihmaxnodes, bihnodes, temp_leafsort, temp_leafsortscratch);
- // we're done with the temporary data
- Mem_Free(temp_leafsort);
- // resize the BIH nodes array if it over-allocated
- if (out->maxnodes > out->numnodes)
- {
- out->maxnodes = out->numnodes;
- out->nodes = (bih_node_t *)Mem_Realloc(loadmodel->mempool, out->nodes, out->numnodes * sizeof(bih_node_t));
- }
- return out;
- }
- static int Mod_Q3BSP_SuperContentsFromNativeContents(int nativecontents)
- {
- int supercontents = 0;
- if (nativecontents & CONTENTSQ3_SOLID)
- supercontents |= SUPERCONTENTS_SOLID;
- if (nativecontents & CONTENTSQ3_WATER)
- supercontents |= SUPERCONTENTS_WATER;
- if (nativecontents & CONTENTSQ3_SLIME)
- supercontents |= SUPERCONTENTS_SLIME;
- if (nativecontents & CONTENTSQ3_LAVA)
- supercontents |= SUPERCONTENTS_LAVA;
- if (nativecontents & CONTENTSQ3_BODY)
- supercontents |= SUPERCONTENTS_BODY;
- if (nativecontents & CONTENTSQ3_CORPSE)
- supercontents |= SUPERCONTENTS_CORPSE;
- if (nativecontents & CONTENTSQ3_NODROP)
- supercontents |= SUPERCONTENTS_NODROP;
- if (nativecontents & CONTENTSQ3_PLAYERCLIP)
- supercontents |= SUPERCONTENTS_PLAYERCLIP;
- if (nativecontents & CONTENTSQ3_MONSTERCLIP)
- supercontents |= SUPERCONTENTS_MONSTERCLIP;
- if (nativecontents & CONTENTSQ3_DONOTENTER)
- supercontents |= SUPERCONTENTS_DONOTENTER;
- if (nativecontents & CONTENTSQ3_BOTCLIP)
- supercontents |= SUPERCONTENTS_BOTCLIP;
- if (!(nativecontents & CONTENTSQ3_TRANSLUCENT))
- supercontents |= SUPERCONTENTS_OPAQUE;
- return supercontents;
- }
- static int Mod_Q3BSP_NativeContentsFromSuperContents(int supercontents)
- {
- int nativecontents = 0;
- if (supercontents & SUPERCONTENTS_SOLID)
- nativecontents |= CONTENTSQ3_SOLID;
- if (supercontents & SUPERCONTENTS_WATER)
- nativecontents |= CONTENTSQ3_WATER;
- if (supercontents & SUPERCONTENTS_SLIME)
- nativecontents |= CONTENTSQ3_SLIME;
- if (supercontents & SUPERCONTENTS_LAVA)
- nativecontents |= CONTENTSQ3_LAVA;
- if (supercontents & SUPERCONTENTS_BODY)
- nativecontents |= CONTENTSQ3_BODY;
- if (supercontents & SUPERCONTENTS_CORPSE)
- nativecontents |= CONTENTSQ3_CORPSE;
- if (supercontents & SUPERCONTENTS_NODROP)
- nativecontents |= CONTENTSQ3_NODROP;
- if (supercontents & SUPERCONTENTS_PLAYERCLIP)
- nativecontents |= CONTENTSQ3_PLAYERCLIP;
- if (supercontents & SUPERCONTENTS_MONSTERCLIP)
- nativecontents |= CONTENTSQ3_MONSTERCLIP;
- if (supercontents & SUPERCONTENTS_DONOTENTER)
- nativecontents |= CONTENTSQ3_DONOTENTER;
- if (supercontents & SUPERCONTENTS_BOTCLIP)
- nativecontents |= CONTENTSQ3_BOTCLIP;
- if (!(supercontents & SUPERCONTENTS_OPAQUE))
- nativecontents |= CONTENTSQ3_TRANSLUCENT;
- return nativecontents;
- }
- static void Mod_Q3BSP_RecursiveFindNumLeafs(mnode_t *node)
- {
- int numleafs;
- while (node->plane)
- {
- Mod_Q3BSP_RecursiveFindNumLeafs(node->children[0]);
- node = node->children[1];
- }
- numleafs = ((mleaf_t *)node - loadmodel->brush.data_leafs) + 1;
- if (loadmodel->brush.num_leafs < numleafs)
- loadmodel->brush.num_leafs = numleafs;
- }
- static void Mod_Q3BSP_Load(dp_model_t *mod, void *buffer, void *bufferend)
- {
- int i, j, lumps;
- q3dheader_t *header;
- float corner[3], yawradius, modelradius;
- mod->modeldatatypestring = "Q3BSP";
- mod->type = mod_brushq3;
- mod->brush.ishlbsp = false;
- mod->brush.isbsp2rmqe = false;
- mod->brush.isbsp2 = false;
- mod->brush.isq2bsp = false;
- mod->brush.isq3bsp = true;
- mod->brush.skymasking = true;
- mod->numframes = 2; // although alternate textures are not supported it is annoying to complain about no such frame 1
- mod->numskins = 1;
- header = (q3dheader_t *)buffer;
- if((char *) bufferend < (char *) buffer + sizeof(q3dheader_t))
- Host_Error("Mod_Q3BSP_Load: %s is smaller than its header", mod->name);
- i = LittleLong(header->version);
- if (i != Q3BSPVERSION && i != Q3BSPVERSION_IG && i != Q3BSPVERSION_LIVE)
- Host_Error("Mod_Q3BSP_Load: %s has wrong version number (%i, should be %i)", mod->name, i, Q3BSPVERSION);
- mod->soundfromcenter = true;
- mod->TraceBox = Mod_Q3BSP_TraceBox;
- mod->TraceBrush = Mod_Q3BSP_TraceBrush;
- mod->TraceLine = Mod_Q3BSP_TraceLine;
- mod->TracePoint = Mod_Q3BSP_TracePoint;
- mod->PointSuperContents = Mod_Q3BSP_PointSuperContents;
- mod->TraceLineAgainstSurfaces = Mod_CollisionBIH_TraceLine;
- mod->brush.TraceLineOfSight = Mod_Q3BSP_TraceLineOfSight;
- mod->brush.SuperContentsFromNativeContents = Mod_Q3BSP_SuperContentsFromNativeContents;
- mod->brush.NativeContentsFromSuperContents = Mod_Q3BSP_NativeContentsFromSuperContents;
- mod->brush.GetPVS = Mod_Q1BSP_GetPVS;
- mod->brush.FatPVS = Mod_Q1BSP_FatPVS;
- mod->brush.BoxTouchingPVS = Mod_Q1BSP_BoxTouchingPVS;
- mod->brush.BoxTouchingLeafPVS = Mod_Q1BSP_BoxTouchingLeafPVS;
- mod->brush.BoxTouchingVisibleLeafs = Mod_Q1BSP_BoxTouchingVisibleLeafs;
- mod->brush.FindBoxClusters = Mod_Q1BSP_FindBoxClusters;
- mod->brush.LightPoint = Mod_Q3BSP_LightPoint;
- mod->brush.FindNonSolidLocation = Mod_Q1BSP_FindNonSolidLocation;
- mod->brush.AmbientSoundLevelsForPoint = NULL;
- mod->brush.RoundUpToHullSize = NULL;
- mod->brush.PointInLeaf = Mod_Q1BSP_PointInLeaf;
- mod->Draw = R_Q1BSP_Draw;
- mod->DrawDepth = R_Q1BSP_DrawDepth;
- mod->DrawDebug = R_Q1BSP_DrawDebug;
- mod->DrawPrepass = R_Q1BSP_DrawPrepass;
- mod->GetLightInfo = R_Q1BSP_GetLightInfo;
- mod->CompileShadowMap = R_Q1BSP_CompileShadowMap;
- mod->DrawShadowMap = R_Q1BSP_DrawShadowMap;
- mod->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
- mod->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
- mod->DrawLight = R_Q1BSP_DrawLight;
- mod_base = (unsigned char *)header;
- // swap all the lumps
- header->ident = LittleLong(header->ident);
- header->version = LittleLong(header->version);
- lumps = (header->version == Q3BSPVERSION_LIVE) ? Q3HEADER_LUMPS_LIVE : Q3HEADER_LUMPS;
- for (i = 0;i < lumps;i++)
- {
- j = (header->lumps[i].fileofs = LittleLong(header->lumps[i].fileofs));
- if((char *) bufferend < (char *) buffer + j)
- Host_Error("Mod_Q3BSP_Load: %s has a lump that starts outside the file!", mod->name);
- j += (header->lumps[i].filelen = LittleLong(header->lumps[i].filelen));
- if((char *) bufferend < (char *) buffer + j)
- Host_Error("Mod_Q3BSP_Load: %s has a lump that ends outside the file!", mod->name);
- }
- /*
- * NO, do NOT clear them!
- * they contain actual data referenced by other stuff.
- * Instead, before using the advertisements lump, check header->versio
- * again!
- * Sorry, but otherwise it breaks memory of the first lump.
- for (i = lumps;i < Q3HEADER_LUMPS_MAX;i++)
- {
- header->lumps[i].fileofs = 0;
- header->lumps[i].filelen = 0;
- }
- */
- mod->brush.qw_md4sum = 0;
- mod->brush.qw_md4sum2 = 0;
- for (i = 0;i < lumps;i++)
- {
- if (i == Q3LUMP_ENTITIES)
- continue;
- mod->brush.qw_md4sum ^= Com_BlockChecksum(mod_base + header->lumps[i].fileofs, header->lumps[i].filelen);
- if (i == Q3LUMP_PVS || i == Q3LUMP_LEAFS || i == Q3LUMP_NODES)
- continue;
- mod->brush.qw_md4sum2 ^= Com_BlockChecksum(mod_base + header->lumps[i].fileofs, header->lumps[i].filelen);
- // all this checksumming can take a while, so let's send keepalives here too
- CL_KeepaliveMessage(false);
- }
- Mod_Q3BSP_LoadEntities(&header->lumps[Q3LUMP_ENTITIES]);
- Mod_Q3BSP_LoadTextures(&header->lumps[Q3LUMP_TEXTURES]);
- Mod_Q3BSP_LoadPlanes(&header->lumps[Q3LUMP_PLANES]);
- if (header->version == Q3BSPVERSION_IG)
- Mod_Q3BSP_LoadBrushSides_IG(&header->lumps[Q3LUMP_BRUSHSIDES]);
- else
- Mod_Q3BSP_LoadBrushSides(&header->lumps[Q3LUMP_BRUSHSIDES]);
- Mod_Q3BSP_LoadBrushes(&header->lumps[Q3LUMP_BRUSHES]);
- Mod_Q3BSP_LoadEffects(&header->lumps[Q3LUMP_EFFECTS]);
- Mod_Q3BSP_LoadVertices(&header->lumps[Q3LUMP_VERTICES]);
- Mod_Q3BSP_LoadTriangles(&header->lumps[Q3LUMP_TRIANGLES]);
- Mod_Q3BSP_LoadLightmaps(&header->lumps[Q3LUMP_LIGHTMAPS], &header->lumps[Q3LUMP_FACES]);
- Mod_Q3BSP_LoadFaces(&header->lumps[Q3LUMP_FACES]);
- Mod_Q3BSP_LoadModels(&header->lumps[Q3LUMP_MODELS]);
- Mod_Q3BSP_LoadLeafBrushes(&header->lumps[Q3LUMP_LEAFBRUSHES]);
- Mod_Q3BSP_LoadLeafFaces(&header->lumps[Q3LUMP_LEAFFACES]);
- Mod_Q3BSP_LoadLeafs(&header->lumps[Q3LUMP_LEAFS]);
- Mod_Q3BSP_LoadNodes(&header->lumps[Q3LUMP_NODES]);
- Mod_Q3BSP_LoadLightGrid(&header->lumps[Q3LUMP_LIGHTGRID]);
- Mod_Q3BSP_LoadPVS(&header->lumps[Q3LUMP_PVS]);
- loadmodel->brush.numsubmodels = loadmodel->brushq3.num_models;
- // the MakePortals code works fine on the q3bsp data as well
- if (mod_bsp_portalize.integer)
- Mod_Q1BSP_MakePortals();
- // FIXME: shader alpha should replace r_wateralpha support in q3bsp
- loadmodel->brush.supportwateralpha = true;
- // make a single combined shadow mesh to allow optimized shadow volume creation
- Mod_Q1BSP_CreateShadowMesh(loadmodel);
- loadmodel->brush.num_leafs = 0;
- Mod_Q3BSP_RecursiveFindNumLeafs(loadmodel->brush.data_nodes);
- if (loadmodel->brush.numsubmodels)
- loadmodel->brush.submodels = (dp_model_t **)Mem_Alloc(loadmodel->mempool, loadmodel->brush.numsubmodels * sizeof(dp_model_t *));
- mod = loadmodel;
- for (i = 0;i < loadmodel->brush.numsubmodels;i++)
- {
- if (i > 0)
- {
- char name[10];
- // duplicate the basic information
- dpsnprintf(name, sizeof(name), "*%i", i);
- mod = Mod_FindName(name, loadmodel->name);
- // copy the base model to this one
- *mod = *loadmodel;
- // rename the clone back to its proper name
- strlcpy(mod->name, name, sizeof(mod->name));
- mod->brush.parentmodel = loadmodel;
- // textures and memory belong to the main model
- mod->texturepool = NULL;
- mod->mempool = NULL;
- mod->brush.GetPVS = NULL;
- mod->brush.FatPVS = NULL;
- mod->brush.BoxTouchingPVS = NULL;
- mod->brush.BoxTouchingLeafPVS = NULL;
- mod->brush.BoxTouchingVisibleLeafs = NULL;
- mod->brush.FindBoxClusters = NULL;
- mod->brush.LightPoint = NULL;
- mod->brush.AmbientSoundLevelsForPoint = NULL;
- }
- mod->brush.submodel = i;
- if (loadmodel->brush.submodels)
- loadmodel->brush.submodels[i] = mod;
- // make the model surface list (used by shadowing/lighting)
- mod->firstmodelsurface = mod->brushq3.data_models[i].firstface;
- mod->nummodelsurfaces = mod->brushq3.data_models[i].numfaces;
- mod->firstmodelbrush = mod->brushq3.data_models[i].firstbrush;
- mod->nummodelbrushes = mod->brushq3.data_models[i].numbrushes;
- mod->sortedmodelsurfaces = (int *)Mem_Alloc(loadmodel->mempool, mod->nummodelsurfaces * sizeof(*mod->sortedmodelsurfaces));
- Mod_MakeSortedSurfaces(mod);
- VectorCopy(mod->brushq3.data_models[i].mins, mod->normalmins);
- VectorCopy(mod->brushq3.data_models[i].maxs, mod->normalmaxs);
- // enlarge the bounding box to enclose all geometry of this model,
- // because q3map2 sometimes lies (mostly to affect the lightgrid),
- // which can in turn mess up the farclip (as well as culling when
- // outside the level - an unimportant concern)
- //printf("Editing model %d... BEFORE re-bounding: %f %f %f - %f %f %f\n", i, mod->normalmins[0], mod->normalmins[1], mod->normalmins[2], mod->normalmaxs[0], mod->normalmaxs[1], mod->normalmaxs[2]);
- for (j = 0;j < mod->nummodelsurfaces;j++)
- {
- const msurface_t *surface = mod->data_surfaces + j + mod->firstmodelsurface;
- const float *v = mod->surfmesh.data_vertex3f + 3 * surface->num_firstvertex;
- int k;
- if (!surface->num_vertices)
- continue;
- for (k = 0;k < surface->num_vertices;k++, v += 3)
- {
- mod->normalmins[0] = min(mod->normalmins[0], v[0]);
- mod->normalmins[1] = min(mod->normalmins[1], v[1]);
- mod->normalmins[2] = min(mod->normalmins[2], v[2]);
- mod->normalmaxs[0] = max(mod->normalmaxs[0], v[0]);
- mod->normalmaxs[1] = max(mod->normalmaxs[1], v[1]);
- mod->normalmaxs[2] = max(mod->normalmaxs[2], v[2]);
- }
- }
- //printf("Editing model %d... AFTER re-bounding: %f %f %f - %f %f %f\n", i, mod->normalmins[0], mod->normalmins[1], mod->normalmins[2], mod->normalmaxs[0], mod->normalmaxs[1], mod->normalmaxs[2]);
- corner[0] = max(fabs(mod->normalmins[0]), fabs(mod->normalmaxs[0]));
- corner[1] = max(fabs(mod->normalmins[1]), fabs(mod->normalmaxs[1]));
- corner[2] = max(fabs(mod->normalmins[2]), fabs(mod->normalmaxs[2]));
- modelradius = sqrt(corner[0]*corner[0]+corner[1]*corner[1]+corner[2]*corner[2]);
- yawradius = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
- mod->rotatedmins[0] = mod->rotatedmins[1] = mod->rotatedmins[2] = -modelradius;
- mod->rotatedmaxs[0] = mod->rotatedmaxs[1] = mod->rotatedmaxs[2] = modelradius;
- mod->yawmaxs[0] = mod->yawmaxs[1] = yawradius;
- mod->yawmins[0] = mod->yawmins[1] = -yawradius;
- mod->yawmins[2] = mod->normalmins[2];
- mod->yawmaxs[2] = mod->normalmaxs[2];
- mod->radius = modelradius;
- mod->radius2 = modelradius * modelradius;
- // this gets altered below if sky or water is used
- mod->DrawSky = NULL;
- mod->DrawAddWaterPlanes = NULL;
- for (j = 0;j < mod->nummodelsurfaces;j++)
- if (mod->data_surfaces[j + mod->firstmodelsurface].texture->basematerialflags & MATERIALFLAG_SKY)
- break;
- if (j < mod->nummodelsurfaces)
- mod->DrawSky = R_Q1BSP_DrawSky;
- for (j = 0;j < mod->nummodelsurfaces;j++)
- if (mod->data_surfaces[j + mod->firstmodelsurface].texture->basematerialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_REFLECTION | MATERIALFLAG_CAMERA))
- break;
- if (j < mod->nummodelsurfaces)
- mod->DrawAddWaterPlanes = R_Q1BSP_DrawAddWaterPlanes;
- Mod_MakeCollisionBIH(mod, false, &mod->collision_bih);
- Mod_MakeCollisionBIH(mod, true, &mod->render_bih);
- // generate VBOs and other shared data before cloning submodels
- if (i == 0)
- Mod_BuildVBOs();
- }
- if (mod_q3bsp_sRGBlightmaps.integer)
- {
- if (vid_sRGB.integer && vid_sRGB_fallback.integer && !vid.sRGB3D)
- {
- // actually we do in sRGB fallback with sRGB lightmaps: Image_sRGBFloatFromLinear_Lightmap(Image_LinearFloatFromsRGBFloat(x))
- // neutral point is at Image_sRGBFloatFromLinearFloat(0.5)
- // so we need to map Image_sRGBFloatFromLinearFloat(0.5) to 0.5
- // factor is 0.5 / Image_sRGBFloatFromLinearFloat(0.5)
- //loadmodel->lightmapscale *= 0.679942f; // fixes neutral level
- }
- else // if this is NOT set, regular rendering looks right by this requirement anyway
- {
- /*
- // we want color 1 to do the same as without sRGB
- // so, we want to map 1 to Image_LinearFloatFromsRGBFloat(2) instead of to 2
- loadmodel->lightmapscale *= 2.476923f; // fixes max level
- */
- // neutral level 0.5 gets uploaded as sRGB and becomes Image_LinearFloatFromsRGBFloat(0.5)
- // we need to undo that
- loadmodel->lightmapscale *= 2.336f; // fixes neutral level
- }
- }
- Con_DPrintf("Stats for q3bsp model \"%s\": %i faces, %i nodes, %i leafs, %i clusters, %i clusterportals, mesh: %i vertices, %i triangles, %i surfaces\n", loadmodel->name, loadmodel->num_surfaces, loadmodel->brush.num_nodes, loadmodel->brush.num_leafs, mod->brush.num_pvsclusters, loadmodel->brush.num_portals, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->num_surfaces);
- }
- void Mod_IBSP_Load(dp_model_t *mod, void *buffer, void *bufferend)
- {
- int i = LittleLong(((int *)buffer)[1]);
- if (i == Q3BSPVERSION || i == Q3BSPVERSION_IG || i == Q3BSPVERSION_LIVE)
- Mod_Q3BSP_Load(mod,buffer, bufferend);
- else if (i == Q2BSPVERSION)
- Mod_Q2BSP_Load(mod,buffer, bufferend);
- else
- Host_Error("Mod_IBSP_Load: unknown/unsupported version %i", i);
- }
- void Mod_MAP_Load(dp_model_t *mod, void *buffer, void *bufferend)
- {
- Host_Error("Mod_MAP_Load: not yet implemented");
- }
- typedef struct objvertex_s
- {
- int nextindex;
- int submodelindex;
- int textureindex;
- float v[3];
- float vt[2];
- float vn[3];
- }
- objvertex_t;
- static unsigned char nobsp_pvs[1] = {1};
- void Mod_OBJ_Load(dp_model_t *mod, void *buffer, void *bufferend)
- {
- const char *textbase = (char *)buffer, *text = textbase;
- char *s;
- char *argv[512];
- char line[1024];
- char materialname[MAX_QPATH];
- int i, j, l, numvertices, firstvertex, firsttriangle, elementindex, vertexindex, surfacevertices, surfacetriangles, surfaceelements, submodelindex = 0;
- int index1, index2, index3;
- objvertex_t vfirst, vprev, vcurrent;
- int argc;
- int linelen;
- int numtriangles = 0;
- int maxtriangles = 0;
- objvertex_t *vertices = NULL;
- int linenumber = 0;
- int maxtextures = 0, numtextures = 0, textureindex = 0;
- int maxv = 0, numv = 1;
- int maxvt = 0, numvt = 1;
- int maxvn = 0, numvn = 1;
- char *texturenames = NULL;
- float dist, modelradius, modelyawradius, yawradius;
- float *obj_v = NULL;
- float *obj_vt = NULL;
- float *obj_vn = NULL;
- float mins[3];
- float maxs[3];
- float corner[3];
- objvertex_t *thisvertex = NULL;
- int vertexhashindex;
- int *vertexhashtable = NULL;
- objvertex_t *vertexhashdata = NULL;
- objvertex_t *vdata = NULL;
- int vertexhashsize = 0;
- int vertexhashcount = 0;
- skinfile_t *skinfiles = NULL;
- unsigned char *data = NULL;
- int *submodelfirstsurface;
- msurface_t *tempsurface;
- msurface_t *tempsurfaces;
- memset(&vfirst, 0, sizeof(vfirst));
- memset(&vprev, 0, sizeof(vprev));
- memset(&vcurrent, 0, sizeof(vcurrent));
- dpsnprintf(materialname, sizeof(materialname), "%s", loadmodel->name);
- loadmodel->modeldatatypestring = "OBJ";
- loadmodel->type = mod_obj;
- loadmodel->soundfromcenter = true;
- loadmodel->TraceBox = Mod_CollisionBIH_TraceBox;
- loadmodel->TraceBrush = Mod_CollisionBIH_TraceBrush;
- loadmodel->TraceLine = Mod_CollisionBIH_TraceLine;
- loadmodel->TracePoint = Mod_CollisionBIH_TracePoint_Mesh;
- loadmodel->TraceLineAgainstSurfaces = Mod_CollisionBIH_TraceLine;
- loadmodel->PointSuperContents = Mod_CollisionBIH_PointSuperContents_Mesh;
- loadmodel->brush.TraceLineOfSight = NULL;
- loadmodel->brush.SuperContentsFromNativeContents = NULL;
- loadmodel->brush.NativeContentsFromSuperContents = NULL;
- loadmodel->brush.GetPVS = NULL;
- loadmodel->brush.FatPVS = NULL;
- loadmodel->brush.BoxTouchingPVS = NULL;
- loadmodel->brush.BoxTouchingLeafPVS = NULL;
- loadmodel->brush.BoxTouchingVisibleLeafs = NULL;
- loadmodel->brush.FindBoxClusters = NULL;
- loadmodel->brush.LightPoint = NULL;
- loadmodel->brush.FindNonSolidLocation = NULL;
- loadmodel->brush.AmbientSoundLevelsForPoint = NULL;
- loadmodel->brush.RoundUpToHullSize = NULL;
- loadmodel->brush.PointInLeaf = NULL;
- loadmodel->Draw = R_Q1BSP_Draw;
- loadmodel->DrawDepth = R_Q1BSP_DrawDepth;
- loadmodel->DrawDebug = R_Q1BSP_DrawDebug;
- loadmodel->DrawPrepass = R_Q1BSP_DrawPrepass;
- loadmodel->GetLightInfo = R_Q1BSP_GetLightInfo;
- loadmodel->CompileShadowMap = R_Q1BSP_CompileShadowMap;
- loadmodel->DrawShadowMap = R_Q1BSP_DrawShadowMap;
- loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
- loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
- loadmodel->DrawLight = R_Q1BSP_DrawLight;
- skinfiles = Mod_LoadSkinFiles();
- if (loadmodel->numskins < 1)
- loadmodel->numskins = 1;
- // make skinscenes for the skins (no groups)
- loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
- for (i = 0;i < loadmodel->numskins;i++)
- {
- loadmodel->skinscenes[i].firstframe = i;
- loadmodel->skinscenes[i].framecount = 1;
- loadmodel->skinscenes[i].loop = true;
- loadmodel->skinscenes[i].framerate = 10;
- }
- VectorClear(mins);
- VectorClear(maxs);
- // we always have model 0, i.e. the first "submodel"
- loadmodel->brush.numsubmodels = 1;
- // parse the OBJ text now
- for(;;)
- {
- static char emptyarg[1] = "";
- if (!*text)
- break;
- linenumber++;
- linelen = 0;
- for (linelen = 0;text[linelen] && text[linelen] != '\r' && text[linelen] != '\n';linelen++)
- line[linelen] = text[linelen];
- line[linelen] = 0;
- for (argc = 0;argc < 4;argc++)
- argv[argc] = emptyarg;
- argc = 0;
- s = line;
- while (*s == ' ' || *s == '\t')
- s++;
- while (*s)
- {
- argv[argc++] = s;
- while (*s > ' ')
- s++;
- if (!*s)
- break;
- *s++ = 0;
- while (*s == ' ' || *s == '\t')
- s++;
- }
- text += linelen;
- if (*text == '\r')
- text++;
- if (*text == '\n')
- text++;
- if (!argc)
- continue;
- if (argv[0][0] == '#')
- continue;
- if (!strcmp(argv[0], "v"))
- {
- if (maxv <= numv)
- {
- maxv = max(maxv * 2, 1024);
- obj_v = (float *)Mem_Realloc(tempmempool, obj_v, maxv * sizeof(float[3]));
- }
- if(mod_obj_orientation.integer)
- {
- obj_v[numv*3+0] = atof(argv[1]);
- obj_v[numv*3+2] = atof(argv[2]);
- obj_v[numv*3+1] = atof(argv[3]);
- }
- else
- {
- obj_v[numv*3+0] = atof(argv[1]);
- obj_v[numv*3+1] = atof(argv[2]);
- obj_v[numv*3+2] = atof(argv[3]);
- }
- numv++;
- }
- else if (!strcmp(argv[0], "vt"))
- {
- if (maxvt <= numvt)
- {
- maxvt = max(maxvt * 2, 1024);
- obj_vt = (float *)Mem_Realloc(tempmempool, obj_vt, maxvt * sizeof(float[2]));
- }
- obj_vt[numvt*2+0] = atof(argv[1]);
- obj_vt[numvt*2+1] = 1-atof(argv[2]);
- numvt++;
- }
- else if (!strcmp(argv[0], "vn"))
- {
- if (maxvn <= numvn)
- {
- maxvn = max(maxvn * 2, 1024);
- obj_vn = (float *)Mem_Realloc(tempmempool, obj_vn, maxvn * sizeof(float[3]));
- }
- if(mod_obj_orientation.integer)
- {
- obj_vn[numvn*3+0] = atof(argv[1]);
- obj_vn[numvn*3+2] = atof(argv[2]);
- obj_vn[numvn*3+1] = atof(argv[3]);
- }
- else
- {
- obj_vn[numvn*3+0] = atof(argv[1]);
- obj_vn[numvn*3+1] = atof(argv[2]);
- obj_vn[numvn*3+2] = atof(argv[3]);
- }
- numvn++;
- }
- else if (!strcmp(argv[0], "f"))
- {
- if (!numtextures)
- {
- if (maxtextures <= numtextures)
- {
- maxtextures = max(maxtextures * 2, 256);
- texturenames = (char *)Mem_Realloc(loadmodel->mempool, texturenames, maxtextures * MAX_QPATH);
- }
- textureindex = numtextures++;
- strlcpy(texturenames + textureindex*MAX_QPATH, loadmodel->name, MAX_QPATH);
- }
- for (j = 1;j < argc;j++)
- {
- index1 = atoi(argv[j]);
- while(argv[j][0] && argv[j][0] != '/')
- argv[j]++;
- if (argv[j][0])
- argv[j]++;
- index2 = atoi(argv[j]);
- while(argv[j][0] && argv[j][0] != '/')
- argv[j]++;
- if (argv[j][0])
- argv[j]++;
- index3 = atoi(argv[j]);
- // negative refers to a recent vertex
- // zero means not specified
- // positive means an absolute vertex index
- if (index1 < 0)
- index1 = numv - index1;
- if (index2 < 0)
- index2 = numvt - index2;
- if (index3 < 0)
- index3 = numvn - index3;
- vcurrent.nextindex = -1;
- vcurrent.textureindex = textureindex;
- vcurrent.submodelindex = submodelindex;
- if (obj_v && index1 >= 0 && index1 < numv)
- VectorCopy(obj_v + 3*index1, vcurrent.v);
- if (obj_vt && index2 >= 0 && index2 < numvt)
- Vector2Copy(obj_vt + 2*index2, vcurrent.vt);
- if (obj_vn && index3 >= 0 && index3 < numvn)
- VectorCopy(obj_vn + 3*index3, vcurrent.vn);
- if (numtriangles == 0)
- {
- VectorCopy(vcurrent.v, mins);
- VectorCopy(vcurrent.v, maxs);
- }
- else
- {
- mins[0] = min(mins[0], vcurrent.v[0]);
- mins[1] = min(mins[1], vcurrent.v[1]);
- mins[2] = min(mins[2], vcurrent.v[2]);
- maxs[0] = max(maxs[0], vcurrent.v[0]);
- maxs[1] = max(maxs[1], vcurrent.v[1]);
- maxs[2] = max(maxs[2], vcurrent.v[2]);
- }
- if (j == 1)
- vfirst = vcurrent;
- else if (j >= 3)
- {
- if (maxtriangles <= numtriangles)
- {
- maxtriangles = max(maxtriangles * 2, 32768);
- vertices = (objvertex_t*)Mem_Realloc(loadmodel->mempool, vertices, maxtriangles * sizeof(objvertex_t[3]));
- }
- if(mod_obj_orientation.integer)
- {
- vertices[numtriangles*3+0] = vfirst;
- vertices[numtriangles*3+1] = vprev;
- vertices[numtriangles*3+2] = vcurrent;
- }
- else
- {
- vertices[numtriangles*3+0] = vfirst;
- vertices[numtriangles*3+2] = vprev;
- vertices[numtriangles*3+1] = vcurrent;
- }
- numtriangles++;
- }
- vprev = vcurrent;
- }
- }
- else if (!strcmp(argv[0], "o") || !strcmp(argv[0], "g"))
- {
- submodelindex = atof(argv[1]);
- loadmodel->brush.numsubmodels = max(submodelindex + 1, loadmodel->brush.numsubmodels);
- }
- else if (!strcmp(argv[0], "usemtl"))
- {
- for (i = 0;i < numtextures;i++)
- if (!strcmp(texturenames+i*MAX_QPATH, argv[1]))
- break;
- if (i < numtextures)
- textureindex = i;
- else
- {
- if (maxtextures <= numtextures)
- {
- maxtextures = max(maxtextures * 2, 256);
- texturenames = (char *)Mem_Realloc(loadmodel->mempool, texturenames, maxtextures * MAX_QPATH);
- }
- textureindex = numtextures++;
- strlcpy(texturenames + textureindex*MAX_QPATH, argv[1], MAX_QPATH);
- }
- }
- }
- // now that we have the OBJ data loaded as-is, we can convert it
- // copy the model bounds, then enlarge the yaw and rotated bounds according to radius
- VectorCopy(mins, loadmodel->normalmins);
- VectorCopy(maxs, loadmodel->normalmaxs);
- dist = max(fabs(loadmodel->normalmins[0]), fabs(loadmodel->normalmaxs[0]));
- modelyawradius = max(fabs(loadmodel->normalmins[1]), fabs(loadmodel->normalmaxs[1]));
- modelyawradius = dist*dist+modelyawradius*modelyawradius;
- modelradius = max(fabs(loadmodel->normalmins[2]), fabs(loadmodel->normalmaxs[2]));
- modelradius = modelyawradius + modelradius * modelradius;
- modelyawradius = sqrt(modelyawradius);
- modelradius = sqrt(modelradius);
- loadmodel->yawmins[0] = loadmodel->yawmins[1] = -modelyawradius;
- loadmodel->yawmins[2] = loadmodel->normalmins[2];
- loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelyawradius;
- loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
- loadmodel->rotatedmins[0] = loadmodel->rotatedmins[1] = loadmodel->rotatedmins[2] = -modelradius;
- loadmodel->rotatedmaxs[0] = loadmodel->rotatedmaxs[1] = loadmodel->rotatedmaxs[2] = modelradius;
- loadmodel->radius = modelradius;
- loadmodel->radius2 = modelradius * modelradius;
- // allocate storage for triangles
- loadmodel->surfmesh.data_element3i = (int *)Mem_Alloc(loadmodel->mempool, numtriangles * sizeof(int[3]));
- // allocate vertex hash structures to build an optimal vertex subset
- vertexhashsize = numtriangles*2;
- vertexhashtable = (int *)Mem_Alloc(loadmodel->mempool, sizeof(int) * vertexhashsize);
- memset(vertexhashtable, 0xFF, sizeof(int) * vertexhashsize);
- vertexhashdata = (objvertex_t *)Mem_Alloc(loadmodel->mempool, sizeof(*vertexhashdata) * numtriangles*3);
- vertexhashcount = 0;
- // gather surface stats for assigning vertex/triangle ranges
- firstvertex = 0;
- firsttriangle = 0;
- elementindex = 0;
- loadmodel->num_surfaces = 0;
- // allocate storage for the worst case number of surfaces, later we resize
- tempsurfaces = (msurface_t *)Mem_Alloc(loadmodel->mempool, numtextures * loadmodel->brush.numsubmodels * sizeof(msurface_t));
- submodelfirstsurface = (int *)Mem_Alloc(loadmodel->mempool, (loadmodel->brush.numsubmodels+1) * sizeof(int));
- tempsurface = tempsurfaces;
- for (submodelindex = 0;submodelindex < loadmodel->brush.numsubmodels;submodelindex++)
- {
- submodelfirstsurface[submodelindex] = loadmodel->num_surfaces;
- for (textureindex = 0;textureindex < numtextures;textureindex++)
- {
- for (vertexindex = 0;vertexindex < numtriangles*3;vertexindex++)
- {
- thisvertex = vertices + vertexindex;
- if (thisvertex->submodelindex == submodelindex && thisvertex->textureindex == textureindex)
- break;
- }
- // skip the surface creation if there are no triangles for it
- if (vertexindex == numtriangles*3)
- continue;
- // create a surface for these vertices
- surfacevertices = 0;
- surfaceelements = 0;
- // we hack in a texture index in the surface to be fixed up later...
- tempsurface->texture = (texture_t *)((size_t)textureindex);
- // calculate bounds as we go
- VectorCopy(thisvertex->v, tempsurface->mins);
- VectorCopy(thisvertex->v, tempsurface->maxs);
- for (;vertexindex < numtriangles*3;vertexindex++)
- {
- thisvertex = vertices + vertexindex;
- if (thisvertex->submodelindex != submodelindex)
- continue;
- if (thisvertex->textureindex != textureindex)
- continue;
- // add vertex to surface bounds
- tempsurface->mins[0] = min(tempsurface->mins[0], thisvertex->v[0]);
- tempsurface->mins[1] = min(tempsurface->mins[1], thisvertex->v[1]);
- tempsurface->mins[2] = min(tempsurface->mins[2], thisvertex->v[2]);
- tempsurface->maxs[0] = max(tempsurface->maxs[0], thisvertex->v[0]);
- tempsurface->maxs[1] = max(tempsurface->maxs[1], thisvertex->v[1]);
- tempsurface->maxs[2] = max(tempsurface->maxs[2], thisvertex->v[2]);
- // add the vertex if it is not found in the merged set, and
- // get its index (triangle element) for the surface
- vertexhashindex = (unsigned int)(thisvertex->v[0] * 3571 + thisvertex->v[0] * 1777 + thisvertex->v[0] * 457) % (unsigned int)vertexhashsize;
- for (i = vertexhashtable[vertexhashindex];i >= 0;i = vertexhashdata[i].nextindex)
- {
- vdata = vertexhashdata + i;
- if (vdata->submodelindex == thisvertex->submodelindex && vdata->textureindex == thisvertex->textureindex && VectorCompare(thisvertex->v, vdata->v) && VectorCompare(thisvertex->vn, vdata->vn) && Vector2Compare(thisvertex->vt, vdata->vt))
- break;
- }
- if (i < 0)
- {
- i = vertexhashcount++;
- vdata = vertexhashdata + i;
- *vdata = *thisvertex;
- vdata->nextindex = vertexhashtable[vertexhashindex];
- vertexhashtable[vertexhashindex] = i;
- surfacevertices++;
- }
- loadmodel->surfmesh.data_element3i[elementindex++] = i;
- surfaceelements++;
- }
- surfacetriangles = surfaceelements / 3;
- tempsurface->num_vertices = surfacevertices;
- tempsurface->num_triangles = surfacetriangles;
- tempsurface->num_firstvertex = firstvertex;
- tempsurface->num_firsttriangle = firsttriangle;
- firstvertex += tempsurface->num_vertices;
- firsttriangle += tempsurface->num_triangles;
- tempsurface++;
- loadmodel->num_surfaces++;
- }
- }
- submodelfirstsurface[submodelindex] = loadmodel->num_surfaces;
- numvertices = firstvertex;
- loadmodel->data_surfaces = (msurface_t *)Mem_Realloc(loadmodel->mempool, tempsurfaces, loadmodel->num_surfaces * sizeof(msurface_t));
- tempsurfaces = NULL;
- // allocate storage for final mesh data
- loadmodel->num_textures = numtextures * loadmodel->numskins;
- loadmodel->num_texturesperskin = numtextures;
- data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(int) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + numtriangles * sizeof(int[3]) + (numvertices <= 65536 ? numtriangles * sizeof(unsigned short[3]) : 0) + (r_enableshadowvolumes.integer ? numtriangles * sizeof(int[3]) : 0) + numvertices * sizeof(float[14]) + loadmodel->brush.numsubmodels * sizeof(dp_model_t *));
- loadmodel->brush.submodels = (dp_model_t **)data;data += loadmodel->brush.numsubmodels * sizeof(dp_model_t *);
- loadmodel->sortedmodelsurfaces = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
- loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
- loadmodel->surfmesh.num_vertices = numvertices;
- loadmodel->surfmesh.num_triangles = numtriangles;
- if (r_enableshadowvolumes.integer)
- loadmodel->surfmesh.data_neighbor3i = (int *)data;data += numtriangles * sizeof(int[3]);
- loadmodel->surfmesh.data_vertex3f = (float *)data;data += numvertices * sizeof(float[3]);
- loadmodel->surfmesh.data_svector3f = (float *)data;data += numvertices * sizeof(float[3]);
- loadmodel->surfmesh.data_tvector3f = (float *)data;data += numvertices * sizeof(float[3]);
- loadmodel->surfmesh.data_normal3f = (float *)data;data += numvertices * sizeof(float[3]);
- loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += numvertices * sizeof(float[2]);
- if (loadmodel->surfmesh.num_vertices <= 65536) {
- loadmodel->surfmesh.data_element3s = (unsigned short *)data;data += loadmodel->surfmesh.num_triangles * sizeof(unsigned short[3]);
- }
- for (j = 0;j < loadmodel->surfmesh.num_vertices;j++)
- {
- VectorCopy(vertexhashdata[j].v, loadmodel->surfmesh.data_vertex3f + 3*j);
- VectorCopy(vertexhashdata[j].vn, loadmodel->surfmesh.data_normal3f + 3*j);
- Vector2Copy(vertexhashdata[j].vt, loadmodel->surfmesh.data_texcoordtexture2f + 2*j);
- }
- // load the textures
- for (textureindex = 0;textureindex < numtextures;textureindex++)
- Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + textureindex, skinfiles, texturenames + textureindex*MAX_QPATH, texturenames + textureindex*MAX_QPATH);
- Mod_FreeSkinFiles(skinfiles);
- // set the surface textures to their real values now that we loaded them...
- for (i = 0;i < loadmodel->num_surfaces;i++)
- loadmodel->data_surfaces[i].texture = loadmodel->data_textures + (size_t)loadmodel->data_surfaces[i].texture;
- // free data
- Mem_Free(vertices);
- Mem_Free(texturenames);
- Mem_Free(obj_v);
- Mem_Free(obj_vt);
- Mem_Free(obj_vn);
- Mem_Free(vertexhashtable);
- Mem_Free(vertexhashdata);
- // make a single combined shadow mesh to allow optimized shadow volume creation
- Mod_Q1BSP_CreateShadowMesh(loadmodel);
- // compute all the mesh information that was not loaded from the file
- if (loadmodel->surfmesh.data_element3s)
- for (i = 0;i < loadmodel->surfmesh.num_triangles*3;i++)
- loadmodel->surfmesh.data_element3s[i] = loadmodel->surfmesh.data_element3i[i];
- Mod_ValidateElements(loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles, 0, loadmodel->surfmesh.num_vertices, __FILE__, __LINE__);
- // generate normals if the file did not have them
- if (!VectorLength2(loadmodel->surfmesh.data_normal3f))
- Mod_BuildNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_normal3f, r_smoothnormals_areaweighting.integer != 0);
- Mod_BuildTextureVectorsFromNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_texcoordtexture2f, loadmodel->surfmesh.data_normal3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_svector3f, loadmodel->surfmesh.data_tvector3f, r_smoothnormals_areaweighting.integer != 0);
- if (loadmodel->surfmesh.data_neighbor3i)
- Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
- // if this is a worldmodel and has no BSP tree, create a fake one for the purpose
- loadmodel->brush.num_visleafs = 1;
- loadmodel->brush.num_leafs = 1;
- loadmodel->brush.num_nodes = 0;
- loadmodel->brush.num_leafsurfaces = loadmodel->num_surfaces;
- loadmodel->brush.data_leafs = (mleaf_t *)Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_leafs * sizeof(mleaf_t));
- loadmodel->brush.data_nodes = (mnode_t *)loadmodel->brush.data_leafs;
- loadmodel->brush.num_pvsclusters = 1;
- loadmodel->brush.num_pvsclusterbytes = 1;
- loadmodel->brush.data_pvsclusters = nobsp_pvs;
- //if (loadmodel->num_nodes) loadmodel->data_nodes = (mnode_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_nodes * sizeof(mnode_t));
- //loadmodel->data_leafsurfaces = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->num_leafsurfaces * sizeof(int));
- loadmodel->brush.data_leafsurfaces = loadmodel->sortedmodelsurfaces;
- VectorCopy(loadmodel->normalmins, loadmodel->brush.data_leafs->mins);
- VectorCopy(loadmodel->normalmaxs, loadmodel->brush.data_leafs->maxs);
- loadmodel->brush.data_leafs->combinedsupercontents = 0; // FIXME?
- loadmodel->brush.data_leafs->clusterindex = 0;
- loadmodel->brush.data_leafs->areaindex = 0;
- loadmodel->brush.data_leafs->numleafsurfaces = loadmodel->brush.num_leafsurfaces;
- loadmodel->brush.data_leafs->firstleafsurface = loadmodel->brush.data_leafsurfaces;
- loadmodel->brush.data_leafs->numleafbrushes = 0;
- loadmodel->brush.data_leafs->firstleafbrush = NULL;
- loadmodel->brush.supportwateralpha = true;
- if (loadmodel->brush.numsubmodels)
- loadmodel->brush.submodels = (dp_model_t **)Mem_Alloc(loadmodel->mempool, loadmodel->brush.numsubmodels * sizeof(dp_model_t *));
- mod = loadmodel;
- for (i = 0;i < loadmodel->brush.numsubmodels;i++)
- {
- if (i > 0)
- {
- char name[10];
- // duplicate the basic information
- dpsnprintf(name, sizeof(name), "*%i", i);
- mod = Mod_FindName(name, loadmodel->name);
- // copy the base model to this one
- *mod = *loadmodel;
- // rename the clone back to its proper name
- strlcpy(mod->name, name, sizeof(mod->name));
- mod->brush.parentmodel = loadmodel;
- // textures and memory belong to the main model
- mod->texturepool = NULL;
- mod->mempool = NULL;
- mod->brush.GetPVS = NULL;
- mod->brush.FatPVS = NULL;
- mod->brush.BoxTouchingPVS = NULL;
- mod->brush.BoxTouchingLeafPVS = NULL;
- mod->brush.BoxTouchingVisibleLeafs = NULL;
- mod->brush.FindBoxClusters = NULL;
- mod->brush.LightPoint = NULL;
- mod->brush.AmbientSoundLevelsForPoint = NULL;
- }
- mod->brush.submodel = i;
- if (loadmodel->brush.submodels)
- loadmodel->brush.submodels[i] = mod;
- // make the model surface list (used by shadowing/lighting)
- mod->firstmodelsurface = submodelfirstsurface[i];
- mod->nummodelsurfaces = submodelfirstsurface[i+1] - submodelfirstsurface[i];
- mod->firstmodelbrush = 0;
- mod->nummodelbrushes = 0;
- mod->sortedmodelsurfaces = loadmodel->sortedmodelsurfaces + mod->firstmodelsurface;
- Mod_MakeSortedSurfaces(mod);
- VectorClear(mod->normalmins);
- VectorClear(mod->normalmaxs);
- l = false;
- for (j = 0;j < mod->nummodelsurfaces;j++)
- {
- const msurface_t *surface = mod->data_surfaces + j + mod->firstmodelsurface;
- const float *v3f = mod->surfmesh.data_vertex3f + 3 * surface->num_firstvertex;
- int k;
- if (!surface->num_vertices)
- continue;
- if (!l)
- {
- l = true;
- VectorCopy(v3f, mod->normalmins);
- VectorCopy(v3f, mod->normalmaxs);
- }
- for (k = 0;k < surface->num_vertices;k++, v3f += 3)
- {
- mod->normalmins[0] = min(mod->normalmins[0], v3f[0]);
- mod->normalmins[1] = min(mod->normalmins[1], v3f[1]);
- mod->normalmins[2] = min(mod->normalmins[2], v3f[2]);
- mod->normalmaxs[0] = max(mod->normalmaxs[0], v3f[0]);
- mod->normalmaxs[1] = max(mod->normalmaxs[1], v3f[1]);
- mod->normalmaxs[2] = max(mod->normalmaxs[2], v3f[2]);
- }
- }
- corner[0] = max(fabs(mod->normalmins[0]), fabs(mod->normalmaxs[0]));
- corner[1] = max(fabs(mod->normalmins[1]), fabs(mod->normalmaxs[1]));
- corner[2] = max(fabs(mod->normalmins[2]), fabs(mod->normalmaxs[2]));
- modelradius = sqrt(corner[0]*corner[0]+corner[1]*corner[1]+corner[2]*corner[2]);
- yawradius = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
- mod->rotatedmins[0] = mod->rotatedmins[1] = mod->rotatedmins[2] = -modelradius;
- mod->rotatedmaxs[0] = mod->rotatedmaxs[1] = mod->rotatedmaxs[2] = modelradius;
- mod->yawmaxs[0] = mod->yawmaxs[1] = yawradius;
- mod->yawmins[0] = mod->yawmins[1] = -yawradius;
- mod->yawmins[2] = mod->normalmins[2];
- mod->yawmaxs[2] = mod->normalmaxs[2];
- mod->radius = modelradius;
- mod->radius2 = modelradius * modelradius;
- // this gets altered below if sky or water is used
- mod->DrawSky = NULL;
- mod->DrawAddWaterPlanes = NULL;
- for (j = 0;j < mod->nummodelsurfaces;j++)
- if (mod->data_surfaces[j + mod->firstmodelsurface].texture->basematerialflags & MATERIALFLAG_SKY)
- break;
- if (j < mod->nummodelsurfaces)
- mod->DrawSky = R_Q1BSP_DrawSky;
- for (j = 0;j < mod->nummodelsurfaces;j++)
- if (mod->data_surfaces[j + mod->firstmodelsurface].texture->basematerialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_REFLECTION | MATERIALFLAG_CAMERA))
- break;
- if (j < mod->nummodelsurfaces)
- mod->DrawAddWaterPlanes = R_Q1BSP_DrawAddWaterPlanes;
- Mod_MakeCollisionBIH(mod, true, &mod->collision_bih);
- mod->render_bih = mod->collision_bih;
- // generate VBOs and other shared data before cloning submodels
- if (i == 0)
- Mod_BuildVBOs();
- }
- mod = loadmodel;
- Mem_Free(submodelfirstsurface);
- Con_DPrintf("Stats for obj model \"%s\": %i faces, %i nodes, %i leafs, %i clusters, %i clusterportals, mesh: %i vertices, %i triangles, %i surfaces\n", loadmodel->name, loadmodel->num_surfaces, loadmodel->brush.num_nodes, loadmodel->brush.num_leafs, mod->brush.num_pvsclusters, loadmodel->brush.num_portals, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->num_surfaces);
- }