/indra/newview/llviewerjoint.cpp
C++ | 619 lines | 280 code | 107 blank | 232 comment | 40 complexity | 255b6f6b2f1918b3075c474bdc641e07 MD5 | raw file
Possible License(s): LGPL-2.1
- /**
- * @file llviewerjoint.cpp
- * @brief Implementation of LLViewerJoint 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
- * $/LicenseInfo$
- */
- //-----------------------------------------------------------------------------
- // Header Files
- //-----------------------------------------------------------------------------
- #include "llviewerprecompiledheaders.h"
- #include "llviewerjoint.h"
- #include "llgl.h"
- #include "llrender.h"
- #include "llmath.h"
- #include "llglheaders.h"
- #include "llrendersphere.h"
- #include "llvoavatar.h"
- #include "pipeline.h"
- #define DEFAULT_LOD 0.0f
- const S32 MIN_PIXEL_AREA_3PASS_HAIR = 64*64;
- //-----------------------------------------------------------------------------
- // Static Data
- //-----------------------------------------------------------------------------
- BOOL LLViewerJoint::sDisableLOD = FALSE;
- //-----------------------------------------------------------------------------
- // LLViewerJoint()
- // Class Constructor
- //-----------------------------------------------------------------------------
- LLViewerJoint::LLViewerJoint()
- : LLJoint()
- {
- init();
- }
- //-----------------------------------------------------------------------------
- // LLViewerJoint()
- // Class Constructor
- //-----------------------------------------------------------------------------
- LLViewerJoint::LLViewerJoint(const std::string &name, LLJoint *parent)
- : LLJoint(name, parent)
- {
- init();
- }
- void LLViewerJoint::init()
- {
- mValid = FALSE;
- mComponents = SC_JOINT | SC_BONE | SC_AXES;
- mMinPixelArea = DEFAULT_LOD;
- mPickName = PN_DEFAULT;
- mVisible = TRUE;
- mMeshID = 0;
- }
- //-----------------------------------------------------------------------------
- // ~LLViewerJoint()
- // Class Destructor
- //-----------------------------------------------------------------------------
- LLViewerJoint::~LLViewerJoint()
- {
- }
- //--------------------------------------------------------------------
- // setValid()
- //--------------------------------------------------------------------
- void LLViewerJoint::setValid( BOOL valid, BOOL recursive )
- {
- //----------------------------------------------------------------
- // set visibility for this joint
- //----------------------------------------------------------------
- mValid = valid;
-
- //----------------------------------------------------------------
- // set visibility for children
- //----------------------------------------------------------------
- if (recursive)
- {
- for (child_list_t::iterator iter = mChildren.begin();
- iter != mChildren.end(); ++iter)
- {
- LLViewerJoint* joint = (LLViewerJoint*)(*iter);
- joint->setValid(valid, TRUE);
- }
- }
- }
- //--------------------------------------------------------------------
- // renderSkeleton()
- // DEBUG (UNUSED)
- //--------------------------------------------------------------------
- // void LLViewerJoint::renderSkeleton(BOOL recursive)
- // {
- // F32 nc = 0.57735f;
- // //----------------------------------------------------------------
- // // push matrix stack
- // //----------------------------------------------------------------
- // gGL.pushMatrix();
- // //----------------------------------------------------------------
- // // render the bone to my parent
- // //----------------------------------------------------------------
- // if (mComponents & SC_BONE)
- // {
- // drawBone();
- // }
- // //----------------------------------------------------------------
- // // offset to joint position and
- // // rotate to our orientation
- // //----------------------------------------------------------------
- // gGL.loadIdentity();
- // gGL.multMatrix( &getWorldMatrix().mMatrix[0][0] );
- // //----------------------------------------------------------------
- // // render joint axes
- // //----------------------------------------------------------------
- // if (mComponents & SC_AXES)
- // {
- // gGL.begin(LLRender::LINES);
- // gGL.color3f( 1.0f, 0.0f, 0.0f );
- // gGL.vertex3f( 0.0f, 0.0f, 0.0f );
- // gGL.vertex3f( 0.1f, 0.0f, 0.0f );
- // gGL.color3f( 0.0f, 1.0f, 0.0f );
- // gGL.vertex3f( 0.0f, 0.0f, 0.0f );
- // gGL.vertex3f( 0.0f, 0.1f, 0.0f );
- // gGL.color3f( 0.0f, 0.0f, 1.0f );
- // gGL.vertex3f( 0.0f, 0.0f, 0.0f );
- // gGL.vertex3f( 0.0f, 0.0f, 0.1f );
- // gGL.end();
- // }
- // //----------------------------------------------------------------
- // // render the joint graphic
- // //----------------------------------------------------------------
- // if (mComponents & SC_JOINT)
- // {
- // gGL.color3f( 1.0f, 1.0f, 0.0f );
- // gGL.begin(LLRender::TRIANGLES);
- // // joint top half
- // glNormal3f(nc, nc, nc);
- // gGL.vertex3f(0.0f, 0.0f, 0.05f);
- // gGL.vertex3f(0.05f, 0.0f, 0.0f);
- // gGL.vertex3f(0.0f, 0.05f, 0.0f);
- // glNormal3f(-nc, nc, nc);
- // gGL.vertex3f(0.0f, 0.0f, 0.05f);
- // gGL.vertex3f(0.0f, 0.05f, 0.0f);
- // gGL.vertex3f(-0.05f, 0.0f, 0.0f);
-
- // glNormal3f(-nc, -nc, nc);
- // gGL.vertex3f(0.0f, 0.0f, 0.05f);
- // gGL.vertex3f(-0.05f, 0.0f, 0.0f);
- // gGL.vertex3f(0.0f, -0.05f, 0.0f);
- // glNormal3f(nc, -nc, nc);
- // gGL.vertex3f(0.0f, 0.0f, 0.05f);
- // gGL.vertex3f(0.0f, -0.05f, 0.0f);
- // gGL.vertex3f(0.05f, 0.0f, 0.0f);
-
- // // joint bottom half
- // glNormal3f(nc, nc, -nc);
- // gGL.vertex3f(0.0f, 0.0f, -0.05f);
- // gGL.vertex3f(0.0f, 0.05f, 0.0f);
- // gGL.vertex3f(0.05f, 0.0f, 0.0f);
- // glNormal3f(-nc, nc, -nc);
- // gGL.vertex3f(0.0f, 0.0f, -0.05f);
- // gGL.vertex3f(-0.05f, 0.0f, 0.0f);
- // gGL.vertex3f(0.0f, 0.05f, 0.0f);
-
- // glNormal3f(-nc, -nc, -nc);
- // gGL.vertex3f(0.0f, 0.0f, -0.05f);
- // gGL.vertex3f(0.0f, -0.05f, 0.0f);
- // gGL.vertex3f(-0.05f, 0.0f, 0.0f);
- // glNormal3f(nc, -nc, -nc);
- // gGL.vertex3f(0.0f, 0.0f, -0.05f);
- // gGL.vertex3f(0.05f, 0.0f, 0.0f);
- // gGL.vertex3f(0.0f, -0.05f, 0.0f);
-
- // gGL.end();
- // }
- // //----------------------------------------------------------------
- // // render children
- // //----------------------------------------------------------------
- // if (recursive)
- // {
- // for (child_list_t::iterator iter = mChildren.begin();
- // iter != mChildren.end(); ++iter)
- // {
- // LLViewerJoint* joint = (LLViewerJoint*)(*iter);
- // joint->renderSkeleton();
- // }
- // }
- // //----------------------------------------------------------------
- // // pop matrix stack
- // //----------------------------------------------------------------
- // gGL.popMatrix();
- // }
- //--------------------------------------------------------------------
- // render()
- //--------------------------------------------------------------------
- U32 LLViewerJoint::render( F32 pixelArea, BOOL first_pass, BOOL is_dummy )
- {
- stop_glerror();
- U32 triangle_count = 0;
- //----------------------------------------------------------------
- // ignore invisible objects
- //----------------------------------------------------------------
- if ( mValid )
- {
- //----------------------------------------------------------------
- // if object is transparent, defer it, otherwise
- // give the joint subclass a chance to draw itself
- //----------------------------------------------------------------
- if ( is_dummy )
- {
- triangle_count += drawShape( pixelArea, first_pass, is_dummy );
- }
- else if (LLPipeline::sShadowRender)
- {
- triangle_count += drawShape(pixelArea, first_pass, is_dummy );
- }
- else if ( isTransparent() && !LLPipeline::sReflectionRender)
- {
- // Hair and Skirt
- if ((pixelArea > MIN_PIXEL_AREA_3PASS_HAIR))
- {
- // render all three passes
- LLGLDisable cull(GL_CULL_FACE);
- // first pass renders without writing to the z buffer
- {
- LLGLDepthTest gls_depth(GL_TRUE, GL_FALSE);
- triangle_count += drawShape( pixelArea, first_pass, is_dummy );
- }
- // second pass writes to z buffer only
- gGL.setColorMask(false, false);
- {
- triangle_count += drawShape( pixelArea, FALSE, is_dummy );
- }
- // third past respects z buffer and writes color
- gGL.setColorMask(true, false);
- {
- LLGLDepthTest gls_depth(GL_TRUE, GL_FALSE);
- triangle_count += drawShape( pixelArea, FALSE, is_dummy );
- }
- }
- else
- {
- // Render Inside (no Z buffer write)
- glCullFace(GL_FRONT);
- {
- LLGLDepthTest gls_depth(GL_TRUE, GL_FALSE);
- triangle_count += drawShape( pixelArea, first_pass, is_dummy );
- }
- // Render Outside (write to the Z buffer)
- glCullFace(GL_BACK);
- {
- triangle_count += drawShape( pixelArea, FALSE, is_dummy );
- }
- }
- }
- else
- {
- // set up render state
- triangle_count += drawShape( pixelArea, first_pass );
- }
- }
- //----------------------------------------------------------------
- // render children
- //----------------------------------------------------------------
- for (child_list_t::iterator iter = mChildren.begin();
- iter != mChildren.end(); ++iter)
- {
- LLViewerJoint* joint = (LLViewerJoint*)(*iter);
- F32 jointLOD = joint->getLOD();
- if (pixelArea >= jointLOD || sDisableLOD)
- {
- triangle_count += joint->render( pixelArea, TRUE, is_dummy );
- if (jointLOD != DEFAULT_LOD)
- {
- break;
- }
- }
- }
- return triangle_count;
- }
- //--------------------------------------------------------------------
- // drawBone()
- // DEBUG (UNUSED)
- //--------------------------------------------------------------------
- // void LLViewerJoint::drawBone()
- // {
- // if ( mParent == NULL )
- // return;
- // F32 boneSize = 0.02f;
- // // rotate to point to child (bone direction)
- // gGL.pushMatrix();
- // LLVector3 boneX = getPosition();
- // F32 length = boneX.normVec();
- // LLVector3 boneZ(1.0f, 0.0f, 1.0f);
-
- // LLVector3 boneY = boneZ % boneX;
- // boneY.normVec();
- // boneZ = boneX % boneY;
- // LLMatrix4 rotateMat;
- // rotateMat.setFwdRow( boneX );
- // rotateMat.setLeftRow( boneY );
- // rotateMat.setUpRow( boneZ );
- // gGL.multMatrix( &rotateMat.mMatrix[0][0] );
- // // render the bone
- // gGL.color3f( 0.5f, 0.5f, 0.0f );
- // gGL.begin(LLRender::TRIANGLES);
- // gGL.vertex3f( length, 0.0f, 0.0f);
- // gGL.vertex3f( 0.0f, boneSize, 0.0f);
- // gGL.vertex3f( 0.0f, 0.0f, boneSize);
- // gGL.vertex3f( length, 0.0f, 0.0f);
- // gGL.vertex3f( 0.0f, 0.0f, -boneSize);
- // gGL.vertex3f( 0.0f, boneSize, 0.0f);
- // gGL.vertex3f( length, 0.0f, 0.0f);
- // gGL.vertex3f( 0.0f, -boneSize, 0.0f);
- // gGL.vertex3f( 0.0f, 0.0f, -boneSize);
- // gGL.vertex3f( length, 0.0f, 0.0f);
- // gGL.vertex3f( 0.0f, 0.0f, boneSize);
- // gGL.vertex3f( 0.0f, -boneSize, 0.0f);
- // gGL.end();
- // // restore matrix
- // gGL.popMatrix();
- // }
- //--------------------------------------------------------------------
- // isTransparent()
- //--------------------------------------------------------------------
- BOOL LLViewerJoint::isTransparent()
- {
- return FALSE;
- }
- //--------------------------------------------------------------------
- // drawShape()
- //--------------------------------------------------------------------
- U32 LLViewerJoint::drawShape( F32 pixelArea, BOOL first_pass, BOOL is_dummy )
- {
- return 0;
- }
- //--------------------------------------------------------------------
- // setSkeletonComponents()
- //--------------------------------------------------------------------
- void LLViewerJoint::setSkeletonComponents( U32 comp, BOOL recursive )
- {
- mComponents = comp;
- if (recursive)
- {
- for (child_list_t::iterator iter = mChildren.begin();
- iter != mChildren.end(); ++iter)
- {
- LLViewerJoint* joint = (LLViewerJoint*)(*iter);
- joint->setSkeletonComponents(comp, recursive);
- }
- }
- }
- void LLViewerJoint::updateFaceSizes(U32 &num_vertices, U32& num_indices, F32 pixel_area)
- {
- for (child_list_t::iterator iter = mChildren.begin();
- iter != mChildren.end(); ++iter)
- {
- LLViewerJoint* joint = (LLViewerJoint*)(*iter);
- joint->updateFaceSizes(num_vertices, num_indices, pixel_area);
- }
- }
- void LLViewerJoint::updateFaceData(LLFace *face, F32 pixel_area, BOOL damp_wind, bool terse_update)
- {
- for (child_list_t::iterator iter = mChildren.begin();
- iter != mChildren.end(); ++iter)
- {
- LLViewerJoint* joint = (LLViewerJoint*)(*iter);
- joint->updateFaceData(face, pixel_area, damp_wind, terse_update);
- }
- }
- void LLViewerJoint::updateJointGeometry()
- {
- for (child_list_t::iterator iter = mChildren.begin();
- iter != mChildren.end(); ++iter)
- {
- LLViewerJoint* joint = (LLViewerJoint*)(*iter);
- joint->updateJointGeometry();
- }
- }
- BOOL LLViewerJoint::updateLOD(F32 pixel_area, BOOL activate)
- {
- BOOL lod_changed = FALSE;
- BOOL found_lod = FALSE;
- for (child_list_t::iterator iter = mChildren.begin();
- iter != mChildren.end(); ++iter)
- {
- LLViewerJoint* joint = (LLViewerJoint*)(*iter);
- F32 jointLOD = joint->getLOD();
-
- if (found_lod || jointLOD == DEFAULT_LOD)
- {
- // we've already found a joint to enable, so enable the rest as alternatives
- lod_changed |= joint->updateLOD(pixel_area, TRUE);
- }
- else
- {
- if (pixel_area >= jointLOD || sDisableLOD)
- {
- lod_changed |= joint->updateLOD(pixel_area, TRUE);
- found_lod = TRUE;
- }
- else
- {
- lod_changed |= joint->updateLOD(pixel_area, FALSE);
- }
- }
- }
- return lod_changed;
- }
- void LLViewerJoint::dump()
- {
- for (child_list_t::iterator iter = mChildren.begin();
- iter != mChildren.end(); ++iter)
- {
- LLViewerJoint* joint = (LLViewerJoint*)(*iter);
- joint->dump();
- }
- }
- void LLViewerJoint::setVisible(BOOL visible, BOOL recursive)
- {
- mVisible = visible;
- if (recursive)
- {
- for (child_list_t::iterator iter = mChildren.begin();
- iter != mChildren.end(); ++iter)
- {
- LLViewerJoint* joint = (LLViewerJoint*)(*iter);
- joint->setVisible(visible, recursive);
- }
- }
- }
- void LLViewerJoint::setMeshesToChildren()
- {
- removeAllChildren();
- for (std::vector<LLViewerJointMesh*>::iterator iter = mMeshParts.begin();
- iter != mMeshParts.end(); iter++)
- {
- addChild((LLViewerJointMesh *) *iter);
- }
- }
- //-----------------------------------------------------------------------------
- // LLViewerJointCollisionVolume()
- //-----------------------------------------------------------------------------
- LLViewerJointCollisionVolume::LLViewerJointCollisionVolume()
- {
- mUpdateXform = FALSE;
- }
- LLViewerJointCollisionVolume::LLViewerJointCollisionVolume(const std::string &name, LLJoint *parent) : LLViewerJoint(name, parent)
- {
-
- }
- void LLViewerJointCollisionVolume::renderCollision()
- {
- updateWorldMatrix();
-
- gGL.pushMatrix();
- gGL.multMatrix( &mXform.getWorldMatrix().mMatrix[0][0] );
- gGL.diffuseColor3f( 0.f, 0.f, 1.f );
-
- gGL.begin(LLRender::LINES);
-
- LLVector3 v[] =
- {
- LLVector3(1,0,0),
- LLVector3(-1,0,0),
- LLVector3(0,1,0),
- LLVector3(0,-1,0),
- LLVector3(0,0,-1),
- LLVector3(0,0,1),
- };
- //sides
- gGL.vertex3fv(v[0].mV);
- gGL.vertex3fv(v[2].mV);
- gGL.vertex3fv(v[0].mV);
- gGL.vertex3fv(v[3].mV);
- gGL.vertex3fv(v[1].mV);
- gGL.vertex3fv(v[2].mV);
- gGL.vertex3fv(v[1].mV);
- gGL.vertex3fv(v[3].mV);
- //top
- gGL.vertex3fv(v[0].mV);
- gGL.vertex3fv(v[4].mV);
- gGL.vertex3fv(v[1].mV);
- gGL.vertex3fv(v[4].mV);
- gGL.vertex3fv(v[2].mV);
- gGL.vertex3fv(v[4].mV);
- gGL.vertex3fv(v[3].mV);
- gGL.vertex3fv(v[4].mV);
- //bottom
- gGL.vertex3fv(v[0].mV);
- gGL.vertex3fv(v[5].mV);
- gGL.vertex3fv(v[1].mV);
- gGL.vertex3fv(v[5].mV);
- gGL.vertex3fv(v[2].mV);
- gGL.vertex3fv(v[5].mV);
- gGL.vertex3fv(v[3].mV);
- gGL.vertex3fv(v[5].mV);
- gGL.end();
- gGL.popMatrix();
- }
- LLVector3 LLViewerJointCollisionVolume::getVolumePos(LLVector3 &offset)
- {
- mUpdateXform = TRUE;
-
- LLVector3 result = offset;
- result.scaleVec(getScale());
- result.rotVec(getWorldRotation());
- result += getWorldPosition();
- return result;
- }
- // End