/indra/newview/llvosurfacepatch.h
C++ Header | 137 lines | 90 code | 21 blank | 26 comment | 0 complexity | 401cc0af5fb7efb1ab2d636b9b13450c MD5 | raw file
Possible License(s): LGPL-2.1
- /**
- * @file llvosurfacepatch.h
- * @brief Description of LLVOSurfacePatch class
- *
- * $LicenseInfo:firstyear=2001&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
- * $/LicenseInfo$
- */
- #ifndef LL_VOSURFACEPATCH_H
- #define LL_VOSURFACEPATCH_H
- #include "llviewerobject.h"
- #include "llstrider.h"
- class LLSurfacePatch;
- class LLDrawPool;
- class LLVector2;
- class LLVOSurfacePatch : public LLStaticViewerObject
- {
- public:
- static F32 sLODFactor;
- enum
- {
- VERTEX_DATA_MASK = (1 << LLVertexBuffer::TYPE_VERTEX) |
- (1 << LLVertexBuffer::TYPE_NORMAL) |
- (1 << LLVertexBuffer::TYPE_TEXCOORD0) |
- (1 << LLVertexBuffer::TYPE_TEXCOORD1)
- };
- LLVOSurfacePatch(const LLUUID &id, const LLPCode pcode, LLViewerRegion *regionp);
- /*virtual*/ void markDead();
- // Initialize data that's only inited once per class.
- static void initClass();
- virtual U32 getPartitionType() const;
- /*virtual*/ LLDrawable* createDrawable(LLPipeline *pipeline);
- /*virtual*/ void updateGL();
- /*virtual*/ BOOL updateGeometry(LLDrawable *drawable);
- /*virtual*/ BOOL updateLOD();
- /*virtual*/ void updateFaceSize(S32 idx);
- void getGeometry(LLStrider<LLVector3> &verticesp,
- LLStrider<LLVector3> &normalsp,
- LLStrider<LLVector2> &texCoords0p,
- LLStrider<LLVector2> &texCoords1p,
- LLStrider<U16> &indicesp);
- /*virtual*/ void updateTextures();
- /*virtual*/ void setPixelAreaAndAngle(LLAgent &agent); // generate accurate apparent angle and area
- /*virtual*/ void updateSpatialExtents(LLVector4a& newMin, LLVector4a& newMax);
- /*virtual*/ BOOL isActive() const; // Whether this object needs to do an idleUpdate.
- void setPatch(LLSurfacePatch *patchp);
- LLSurfacePatch *getPatch() const { return mPatchp; }
- void dirtyPatch();
- void dirtyGeom();
- /*virtual*/ BOOL lineSegmentIntersect(const LLVector3& start, const LLVector3& end,
- S32 face = -1, // which face to check, -1 = ALL_SIDES
- BOOL pick_transparent = FALSE,
- S32* face_hit = NULL, // which face was hit
- LLVector3* intersection = NULL, // return the intersection point
- LLVector2* tex_coord = NULL, // return the texture coordinates of the intersection point
- LLVector3* normal = NULL, // return the surface normal at the intersection point
- LLVector3* bi_normal = NULL // return the surface bi-normal at the intersection point
- );
- BOOL mDirtiedPatch;
- protected:
- ~LLVOSurfacePatch();
- LLFacePool *mPool;
- LLFacePool *getPool();
- S32 mBaseComp;
- LLSurfacePatch *mPatchp;
- BOOL mDirtyTexture;
- BOOL mDirtyTerrain;
- S32 mLastNorthStride;
- S32 mLastEastStride;
- S32 mLastStride;
- S32 mLastLength;
- void getGeomSizesMain(const S32 stride, S32 &num_vertices, S32 &num_indices);
- void getGeomSizesNorth(const S32 stride, const S32 north_stride,
- S32 &num_vertices, S32 &num_indices);
- void getGeomSizesEast(const S32 stride, const S32 east_stride,
- S32 &num_vertices, S32 &num_indices);
- void updateMainGeometry(LLFace *facep,
- LLStrider<LLVector3> &verticesp,
- LLStrider<LLVector3> &normalsp,
- LLStrider<LLVector2> &texCoords0p,
- LLStrider<LLVector2> &texCoords1p,
- LLStrider<U16> &indicesp,
- U32 &index_offset);
- void updateNorthGeometry(LLFace *facep,
- LLStrider<LLVector3> &verticesp,
- LLStrider<LLVector3> &normalsp,
- LLStrider<LLVector2> &texCoords0p,
- LLStrider<LLVector2> &texCoords1p,
- LLStrider<U16> &indicesp,
- U32 &index_offset);
- void updateEastGeometry(LLFace *facep,
- LLStrider<LLVector3> &verticesp,
- LLStrider<LLVector3> &normalsp,
- LLStrider<LLVector2> &texCoords0p,
- LLStrider<LLVector2> &texCoords1p,
- LLStrider<U16> &indicesp,
- U32 &index_offset);
- };
- #endif // LL_VOSURFACEPATCH_H