BOOL LLVOClouds::updateGeometry(LLDrawable *drawable) { LLFastTimer ftm(LLFastTimer::FTM_UPDATE_CLOUDS); if (!(gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_CLOUDS))) { return TRUE; } dirtySpatialGroup(); LLFace *facep; S32 num_faces = mCloudGroupp->getNumPuffs(); if (num_faces > drawable->getNumFaces()) { drawable->setNumFacesFast(num_faces, NULL, getTEImage(0)); } mDepth = (getPositionAgent()-LLViewerCamera::getInstance()->getOrigin())*LLViewerCamera::getInstance()->getAtAxis(); S32 face_indx = 0; for ( ; face_indx < num_faces; face_indx++) { facep = drawable->getFace(face_indx); if (!facep) { llwarns << "No facep for index " << face_indx << llendl; continue; } facep->setSize(4, 6); facep->setTEOffset(face_indx); facep->setTexture(getTEImage(0)); const LLCloudPuff &puff = mCloudGroupp->getPuff(face_indx); const LLVector3 puff_pos_agent = gAgent.getPosAgentFromGlobal(puff.getPositionGlobal()); facep->mCenterLocal = puff_pos_agent; /// Update cloud color based on sun color. LLColor4 float_color(LLColor3(gSky.getSunDiffuseColor() + gSky.getSunAmbientColor()),puff.getAlpha()); facep->setFaceColor(float_color); } for ( ; face_indx < drawable->getNumFaces(); face_indx++) { facep = drawable->getFace(face_indx); if (!facep) { llwarns << "No facep for index " << face_indx << llendl; continue; } facep->setTEOffset(face_indx); facep->setSize(0,0); } drawable->movePartition(); return TRUE; }
BOOL LLVOClouds::updateGeometry(LLDrawable *drawable) { LLFastTimer ftm(LLFastTimer::FTM_UPDATE_CLOUDS); if (!(gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_CLOUDS))) return TRUE; LLFace *facep; S32 num_faces = mCloudGroupp->getNumPuffs(); if (num_faces > drawable->getNumFaces()) { drawable->setNumFacesFast(num_faces, NULL, getTEImage(0)); } mDepth = (getPositionAgent()-gCamera->getOrigin())*gCamera->getAtAxis(); S32 face_indx = 0; for ( ; face_indx < num_faces; face_indx++) { facep = drawable->getFace(face_indx); if (!facep) { llwarns << "No facep for index " << face_indx << llendl; continue; } if (isParticle()) { facep->setSize(1,1); } else { facep->setSize(4, 6); } facep->setTEOffset(face_indx); facep->setTexture(getTEImage(0)); const LLCloudPuff &puff = mCloudGroupp->getPuff(face_indx); const LLVector3 puff_pos_agent = gAgent.getPosAgentFromGlobal(puff.getPositionGlobal()); facep->mCenterLocal = puff_pos_agent; } for ( ; face_indx < drawable->getNumFaces(); face_indx++) { facep = drawable->getFace(face_indx); if (!facep) { llwarns << "No facep for index " << face_indx << llendl; continue; } facep->setTEOffset(face_indx); facep->setSize(0,0); } drawable->movePartition(); return TRUE; }
void LLVOTextBubble::updateFaceSize(S32 idx) { LLFace* face = mDrawable->getFace(idx); if (idx == 0 || idx == 2) { face->setSize(0,0); } else { const LLVolumeFace& vol_face = getVolume()->getVolumeFace(idx); face->setSize(vol_face.mVertices.size(), vol_face.mIndices.size()); } }
LLDrawable* LLVOTree::createDrawable(LLPipeline *pipeline) { pipeline->allocDrawable(this); mDrawable->setLit(FALSE); mDrawable->setRenderType(LLPipeline::RENDER_TYPE_TREE); LLDrawPoolTree *poolp = (LLDrawPoolTree*) gPipeline.getPool(LLDrawPool::POOL_TREE, mTreeImagep); // Just a placeholder for an actual object... LLFace *facep = mDrawable->addFace(poolp, mTreeImagep); facep->setSize(1, 3); updateRadius(); return mDrawable; }
void LLVOSurfacePatch::updateFaceSize(S32 idx) { if (idx != 0) { llwarns << "Terrain partition requested invalid face!!!" << llendl; return; } LLFace* facep = mDrawable->getFace(idx); S32 num_vertices = 0; S32 num_indices = 0; if (mLastStride) { getGeomSizesMain(mLastStride, num_vertices, num_indices); getGeomSizesNorth(mLastStride, mLastNorthStride, num_vertices, num_indices); getGeomSizesEast(mLastStride, mLastEastStride, num_vertices, num_indices); } facep->setSize(num_vertices, num_indices); }
BOOL LLVOPartGroup::updateGeometry(LLDrawable *drawable) { LLFastTimer ftm(FTM_UPDATE_PARTICLES); dirtySpatialGroup(); S32 num_parts = mViewerPartGroupp->getCount(); LLFace *facep; LLSpatialGroup* group = drawable->getSpatialGroup(); if (!group && num_parts) { drawable->movePartition(); group = drawable->getSpatialGroup(); } if (group && group->isVisible()) { dirtySpatialGroup(TRUE); } if (!num_parts) { if (group && drawable->getNumFaces()) { group->setState(LLSpatialGroup::GEOM_DIRTY); } drawable->setNumFaces(0, NULL, getTEImage(0)); return TRUE; } if (!(gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_PARTICLES))) { return TRUE; } if (num_parts > drawable->getNumFaces()) { drawable->setNumFacesFast(num_parts+num_parts/4, NULL, getTEImage(0)); } F32 tot_area = 0; F32 max_area = LLViewerPartSim::getMaxPartCount() * MAX_PARTICLE_AREA_SCALE; F32 pixel_meter_ratio = LLViewerCamera::getInstance()->getPixelMeterRatio(); pixel_meter_ratio *= pixel_meter_ratio; LLViewerPartSim::checkParticleCount(mViewerPartGroupp->mParticles.size()) ; S32 count=0; mDepth = 0.f; S32 i = 0 ; LLVector3 camera_agent = getCameraPosition(); F32 max_scale = 0.f; for (i = 0 ; i < (S32)mViewerPartGroupp->mParticles.size(); i++) { const LLViewerPart *part = mViewerPartGroupp->mParticles[i]; //remember the largest particle max_scale = llmax(max_scale, part->mScale.mV[0], part->mScale.mV[1]); if (part->mFlags & LLPartData::LL_PART_RIBBON_MASK) { //include ribbon segment length in scale const LLVector3* pos_agent = NULL; if (part->mParent) { pos_agent = &(part->mParent->mPosAgent); } else if (part->mPartSourcep.notNull()) { pos_agent = &(part->mPartSourcep->mPosAgent); } if (pos_agent) { F32 dist = (*pos_agent-part->mPosAgent).length(); max_scale = llmax(max_scale, dist); } } LLVector3 part_pos_agent(part->mPosAgent); LLVector3 at(part_pos_agent - camera_agent); F32 camera_dist_squared = at.lengthSquared(); F32 inv_camera_dist_squared; if (camera_dist_squared > 1.f) inv_camera_dist_squared = 1.f / camera_dist_squared; else inv_camera_dist_squared = 1.f; llassert(llfinite(inv_camera_dist_squared)); llassert(!llisnan(inv_camera_dist_squared)); F32 area = part->mScale.mV[0] * part->mScale.mV[1] * inv_camera_dist_squared; tot_area = llmax(tot_area, area); if (tot_area > max_area) { break; } count++; facep = drawable->getFace(i); if (!facep) { LL_WARNS() << "No face found for index " << i << "!" << LL_ENDL; continue; } facep->setTEOffset(i); const F32 NEAR_PART_DIST_SQ = 5.f*5.f; // Only discard particles > 5 m from the camera const F32 MIN_PART_AREA = .005f*.005f; // only less than 5 mm x 5 mm at 1 m from camera if (camera_dist_squared > NEAR_PART_DIST_SQ && area < MIN_PART_AREA) { facep->setSize(0, 0); continue; } facep->setSize(4, 6); facep->setViewerObject(this); if (part->mFlags & LLPartData::LL_PART_EMISSIVE_MASK) { facep->setState(LLFace::FULLBRIGHT); } else { facep->clearState(LLFace::FULLBRIGHT); } facep->mCenterLocal = part->mPosAgent; facep->setFaceColor(part->mColor); facep->setTexture(part->mImagep); //check if this particle texture is replaced by a parcel media texture. if(part->mImagep.notNull() && part->mImagep->hasParcelMedia()) { part->mImagep->getParcelMedia()->addMediaToFace(facep) ; } mPixelArea = tot_area * pixel_meter_ratio; const F32 area_scale = 10.f; // scale area to increase priority a bit facep->setVirtualSize(mPixelArea*area_scale); } for (i = count; i < drawable->getNumFaces(); i++) { LLFace* facep = drawable->getFace(i); if (!facep) { LL_WARNS() << "No face found for index " << i << "!" << LL_ENDL; continue; } facep->setTEOffset(i); facep->setSize(0, 0); } //record max scale (used to stretch bounding box for visibility culling) mScale.set(max_scale, max_scale, max_scale); mDrawable->movePartition(); return TRUE; }
BOOL LLVOPartGroup::updateGeometry(LLDrawable *drawable) { LLFastTimer ftm(LLFastTimer::FTM_UPDATE_PARTICLES); dirtySpatialGroup(); S32 num_parts = mViewerPartGroupp->getCount(); LLFace *facep; LLSpatialGroup* group = drawable->getSpatialGroup(); if (!group && num_parts) { drawable->movePartition(); group = drawable->getSpatialGroup(); } if (!num_parts) { if (group && drawable->getNumFaces()) { group->setState(LLSpatialGroup::GEOM_DIRTY); } drawable->setNumFaces(0, NULL, getTEImage(0)); LLPipeline::sCompiles++; return TRUE; } if (!(gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_PARTICLES))) { return TRUE; } if (num_parts > drawable->getNumFaces()) { drawable->setNumFacesFast(num_parts+num_parts/4, NULL, getTEImage(0)); } F32 tot_area = 0; F32 max_area = LLViewerPartSim::getMaxPartCount() * MAX_PARTICLE_AREA_SCALE; F32 pixel_meter_ratio = LLViewerCamera::getInstance()->getPixelMeterRatio(); pixel_meter_ratio *= pixel_meter_ratio; LLViewerPartSim::checkParticleCount(mViewerPartGroupp->mParticles.size()) ; S32 count=0; mDepth = 0.f; S32 i = 0 ; LLVector3 camera_agent = getCameraPosition(); for (i = 0 ; i < (S32)mViewerPartGroupp->mParticles.size(); i++) { const LLViewerPart *part = mViewerPartGroupp->mParticles[i]; LLVector3 part_pos_agent(part->mPosAgent); LLVector3 at(part_pos_agent - camera_agent); F32 camera_dist_squared = at.lengthSquared(); F32 inv_camera_dist_squared; if (camera_dist_squared > 1.f) inv_camera_dist_squared = 1.f / camera_dist_squared; else inv_camera_dist_squared = 1.f; F32 area = part->mScale.mV[0] * part->mScale.mV[1] * inv_camera_dist_squared; tot_area = llmax(tot_area, area); if (tot_area > max_area) { break; } count++; facep = drawable->getFace(i); if (!facep) { llwarns << "No face found for index " << i << "!" << llendl; continue; } facep->setTEOffset(i); const F32 NEAR_PART_DIST_SQ = 5.f*5.f; // Only discard particles > 5 m from the camera const F32 MIN_PART_AREA = .005f*.005f; // only less than 5 mm x 5 mm at 1 m from camera if (camera_dist_squared > NEAR_PART_DIST_SQ && area < MIN_PART_AREA) { facep->setSize(0, 0); continue; } facep->setSize(4, 6); facep->setViewerObject(this); if (part->mFlags & LLPartData::LL_PART_EMISSIVE_MASK) { facep->setState(LLFace::FULLBRIGHT); } else { facep->clearState(LLFace::FULLBRIGHT); } facep->mCenterLocal = part->mPosAgent; facep->setFaceColor(part->mColor); facep->setTexture(part->mImagep); mPixelArea = tot_area * pixel_meter_ratio; const F32 area_scale = 10.f; // scale area to increase priority a bit facep->setVirtualSize(mPixelArea*area_scale); } for (i = count; i < drawable->getNumFaces(); i++) { LLFace* facep = drawable->getFace(i); if (!facep) { llwarns << "No face found for index " << i << "!" << llendl; continue; } facep->setTEOffset(i); facep->setSize(0, 0); } mDrawable->movePartition(); LLPipeline::sCompiles++; return TRUE; }
BOOL LLVOWater::updateGeometry(LLDrawable *drawable) { LLFastTimer ftm(LLFastTimer::FTM_UPDATE_WATER); LLFace *face; if (drawable->getNumFaces() < 1) { LLDrawPoolWater *poolp = (LLDrawPoolWater*) gPipeline.getPool(LLDrawPool::POOL_WATER); drawable->addFace(poolp, NULL); } face = drawable->getFace(0); // LLVector2 uvs[4]; // LLVector3 vtx[4]; LLStrider<LLVector3> verticesp, normalsp; LLStrider<LLVector2> texCoordsp; LLStrider<U16> indicesp; U16 index_offset; // A quad is 4 vertices and 6 indices (making 2 triangles) static const unsigned int vertices_per_quad = 4; static const unsigned int indices_per_quad = 6; static const LLCachedControl<bool> render_transparent_water("RenderTransparentWater",false); const S32 size = (render_transparent_water && !LLGLSLShader::sNoFixedFunction) ? 16 : 1; const S32 num_quads = size * size; face->setSize(vertices_per_quad * num_quads, indices_per_quad * num_quads); LLVertexBuffer* buff = face->getVertexBuffer(); if (!buff) { buff = new LLVertexBuffer(LLDrawPoolWater::VERTEX_DATA_MASK, GL_DYNAMIC_DRAW_ARB); buff->allocateBuffer(face->getGeomCount(), face->getIndicesCount(), TRUE); face->setIndicesIndex(0); face->setGeomIndex(0); face->setVertexBuffer(buff); } else { buff->resizeBuffer(face->getGeomCount(), face->getIndicesCount()); } index_offset = face->getGeometry(verticesp,normalsp,texCoordsp, indicesp); LLVector3 position_agent; position_agent = getPositionAgent(); face->mCenterAgent = position_agent; face->mCenterLocal = position_agent; S32 x, y; F32 step_x = getScale().mV[0] / size; F32 step_y = getScale().mV[1] / size; const LLVector3 up(0.f, step_y * 0.5f, 0.f); const LLVector3 right(step_x * 0.5f, 0.f, 0.f); const LLVector3 normal(0.f, 0.f, 1.f); F32 size_inv = 1.f / size; for (y = 0; y < size; y++) { for (x = 0; x < size; x++) { S32 toffset = index_offset + 4*(y*size + x); position_agent = getPositionAgent() - getScale() * 0.5f; position_agent.mV[VX] += (x + 0.5f) * step_x; position_agent.mV[VY] += (y + 0.5f) * step_y; *verticesp++ = position_agent - right + up; *verticesp++ = position_agent - right - up; *verticesp++ = position_agent + right + up; *verticesp++ = position_agent + right - up; *texCoordsp++ = LLVector2(x*size_inv, (y+1)*size_inv); *texCoordsp++ = LLVector2(x*size_inv, y*size_inv); *texCoordsp++ = LLVector2((x+1)*size_inv, (y+1)*size_inv); *texCoordsp++ = LLVector2((x+1)*size_inv, y*size_inv); *normalsp++ = normal; *normalsp++ = normal; *normalsp++ = normal; *normalsp++ = normal; *indicesp++ = toffset + 0; *indicesp++ = toffset + 1; *indicesp++ = toffset + 2; *indicesp++ = toffset + 1; *indicesp++ = toffset + 3; *indicesp++ = toffset + 2; } } buff->flush(); mDrawable->movePartition(); LLPipeline::sCompiles++; return TRUE; }
void LLSprite::updateFace(LLFace &face) { LLViewerCamera &camera = *LLViewerCamera::getInstance(); // First, figure out how many vertices/indices we need. U32 num_vertices, num_indices; U32 vertex_count = 0; // Get the total number of vertices and indices if (mFollow) { num_vertices = 4; num_indices = 6; } else { num_vertices = 4; num_indices = 12; } face.setSize(num_vertices, num_indices); if (mFollow) { sCameraUp = camera.getUpAxis(); sCameraRight = -camera.getLeftAxis(); sCameraPosition = camera.getOrigin(); sNormal = -camera.getAtAxis(); if (mUseCameraUp) { // these need to live here because the height/width may change between render calls mScaledUp = sCameraUp; mScaledRight = sCameraRight; mScaledUp *= mHeightDiv2; mScaledRight *= mWidthDiv2; mA = mPosition + mScaledRight + mScaledUp; mB = mPosition - mScaledRight + mScaledUp; mC = mPosition - mScaledRight - mScaledUp; mD = mPosition + mScaledRight - mScaledUp; } else { // The up vector is perpendicular to the camera vector... LLVector3 camera_vec = mPosition - sCameraPosition; mScaledRight = camera_vec % LLVector3(0.f, 0.f, 1.f); mScaledUp = -(camera_vec % mScaledRight); mScaledUp.normalize(); mScaledRight.normalize(); mScaledUp *= mHeightDiv2; mScaledRight *= mWidthDiv2; mA = mPosition + mScaledRight + mScaledUp; mB = mPosition - mScaledRight + mScaledUp; mC = mPosition - mScaledRight - mScaledUp; mD = mPosition + mScaledRight - mScaledUp; } } else { // this is equivalent to how it was done before. . . // we need to establish a way to // identify the orientation of a particular sprite rather than // just banging it in on the x,z plane if it's not following the camera. LLVector3 x_axis; LLVector3 y_axis; F32 dot = sNormal * LLVector3(0.f, 1.f, 0.f); if (dot == 1.f || dot == -1.f) { x_axis.setVec(1.f, 0.f, 0.f); y_axis.setVec(0.f, 1.f, 0.f); } else { x_axis = sNormal % LLVector3(0.f, -1.f, 0.f); x_axis.normalize(); y_axis = sNormal % x_axis; } LLQuaternion yaw_rot(mYaw, sNormal); // rotate axes by specified yaw x_axis = x_axis * yaw_rot; y_axis = y_axis * yaw_rot; // rescale axes by width and height of sprite x_axis = x_axis * mWidthDiv2; y_axis = y_axis * mHeightDiv2; mA = -x_axis + y_axis; mB = x_axis + y_axis; mC = x_axis - y_axis; mD = -x_axis - y_axis; mA += mPosition; mB += mPosition; mC += mPosition; mD += mPosition; } face.setFaceColor(mColor); LLStrider<LLVector3> verticesp; LLStrider<LLVector3> normalsp; LLStrider<LLVector2> tex_coordsp; LLStrider<U16> indicesp; U16 index_offset; // Setup face if (!face.getVertexBuffer()) { LLVertexBuffer* buff = new LLVertexBuffer(LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_TEXCOORD0, GL_STREAM_DRAW_ARB); buff->allocateBuffer(4, 12, TRUE); face.setGeomIndex(0); face.setIndicesIndex(0); face.setVertexBuffer(buff); } index_offset = face.getGeometry(verticesp,normalsp,tex_coordsp, indicesp); *tex_coordsp = LLVector2(0.f, 0.f); *verticesp = mC; tex_coordsp++; verticesp++; vertex_count++; *tex_coordsp = LLVector2(0.f, 1.f); *verticesp = mB; tex_coordsp++; verticesp++; vertex_count++; *tex_coordsp = LLVector2(1.f, 1.f); *verticesp = mA; tex_coordsp++; verticesp++; vertex_count++; *tex_coordsp = LLVector2(1.f, 0.0f); *verticesp = mD; tex_coordsp++; verticesp++; vertex_count++; // Generate indices, since they're easy. // Just a series of quads. *indicesp++ = index_offset; *indicesp++ = 2 + index_offset; *indicesp++ = 1 + index_offset; *indicesp++ = index_offset; *indicesp++ = 3 + index_offset; *indicesp++ = 2 + index_offset; if (!mFollow) { *indicesp++ = 0 + index_offset; *indicesp++ = 1 + index_offset; *indicesp++ = 2 + index_offset; *indicesp++ = 0 + index_offset; *indicesp++ = 2 + index_offset; *indicesp++ = 3 + index_offset; } face.getVertexBuffer()->setBuffer(0); face.mCenterAgent = mPosition; }
BOOL LLVOGround::updateGeometry(LLDrawable *drawable) { LLStrider<LLVector3> verticesp; LLStrider<LLVector3> normalsp; LLStrider<LLVector2> texCoordsp; LLStrider<U16> indicesp; S32 index_offset; LLFace *face; LLDrawPoolGround *poolp = (LLDrawPoolGround*) gPipeline.getPool(LLDrawPool::POOL_GROUND); if (drawable->getNumFaces() < 1) drawable->addFace(poolp, NULL); face = drawable->getFace(0); if (face->mVertexBuffer.isNull()) { face->setSize(5, 12); face->mVertexBuffer = new LLVertexBuffer(LLDrawPoolGround::VERTEX_DATA_MASK, GL_STREAM_DRAW_ARB); face->mVertexBuffer->allocateBuffer(face->getGeomCount(), face->getIndicesCount(), TRUE); face->setGeomIndex(0); face->setIndicesIndex(0); } index_offset = face->getGeometry(verticesp,normalsp,texCoordsp, indicesp); if (-1 == index_offset) { return TRUE; } /////////////////////////////////////// // // // LLVector3 at_dir = LLViewerCamera::getInstance()->getAtAxis(); at_dir.mV[VZ] = 0.f; if (at_dir.normVec() < 0.01) { // We really don't care, as we're not looking anywhere near the horizon. } LLVector3 left_dir = LLViewerCamera::getInstance()->getLeftAxis(); left_dir.mV[VZ] = 0.f; left_dir.normVec(); // Our center top point LLColor4 ground_color = gSky.getFogColor(); ground_color.mV[3] = 1.f; face->setFaceColor(ground_color); *(verticesp++) = LLVector3(64, 64, 0); *(verticesp++) = LLVector3(-64, 64, 0); *(verticesp++) = LLVector3(-64, -64, 0); *(verticesp++) = LLVector3(64, -64, 0); *(verticesp++) = LLVector3(0, 0, -1024); // Triangles for each side *indicesp++ = index_offset + 0; *indicesp++ = index_offset + 1; *indicesp++ = index_offset + 4; *indicesp++ = index_offset + 1; *indicesp++ = index_offset + 2; *indicesp++ = index_offset + 4; *indicesp++ = index_offset + 2; *indicesp++ = index_offset + 3; *indicesp++ = index_offset + 4; *indicesp++ = index_offset + 3; *indicesp++ = index_offset + 0; *indicesp++ = index_offset + 4; *(texCoordsp++) = LLVector2(0.f, 0.f); *(texCoordsp++) = LLVector2(1.f, 0.f); *(texCoordsp++) = LLVector2(1.f, 1.f); *(texCoordsp++) = LLVector2(0.f, 1.f); *(texCoordsp++) = LLVector2(0.5f, 0.5f); face->mVertexBuffer->setBuffer(0); LLPipeline::sCompiles++; return TRUE; }
BOOL LLVOTree::updateGeometry(LLDrawable *drawable) { LLFastTimer ftm(LLFastTimer::FTM_UPDATE_TREE); const F32 SRR3 = 0.577350269f; // sqrt(1/3) const F32 SRR2 = 0.707106781f; // sqrt(1/2) U32 i, j; U32 slices = MAX_SLICES; S32 max_indices = LEAF_INDICES; S32 max_vertices = LEAF_VERTICES; S32 lod; LLFace *face = drawable->getFace(0); face->mCenterAgent = getPositionAgent(); face->mCenterLocal = face->mCenterAgent; for (lod = 0; lod < 4; lod++) { slices = sLODSlices[lod]; sLODVertexOffset[lod] = max_vertices; sLODVertexCount[lod] = slices*slices; sLODIndexOffset[lod] = max_indices; sLODIndexCount[lod] = (slices-1)*(slices-1)*6; max_indices += sLODIndexCount[lod]; max_vertices += sLODVertexCount[lod]; } LLStrider<LLVector3> vertices; LLStrider<LLVector3> normals; LLStrider<LLVector2> tex_coords; LLStrider<U16> indicesp; face->setSize(max_vertices, max_indices); face->mVertexBuffer = new LLVertexBuffer(LLDrawPoolTree::VERTEX_DATA_MASK, GL_STATIC_DRAW_ARB); face->mVertexBuffer->allocateBuffer(max_vertices, max_indices, TRUE); face->setGeomIndex(0); face->setIndicesIndex(0); face->getGeometry(vertices, normals, tex_coords, indicesp); S32 vertex_count = 0; S32 index_count = 0; // First leaf *(normals++) = LLVector3(-SRR2, -SRR2, 0.f); *(tex_coords++) = LLVector2(LEAF_LEFT, LEAF_BOTTOM); *(vertices++) = LLVector3(-0.5f*LEAF_WIDTH, 0.f, 0.f); vertex_count++; *(normals++) = LLVector3(SRR3, -SRR3, SRR3); *(tex_coords++) = LLVector2(LEAF_RIGHT, LEAF_TOP); *(vertices++) = LLVector3(0.5f*LEAF_WIDTH, 0.f, 1.f); vertex_count++; *(normals++) = LLVector3(-SRR3, -SRR3, SRR3); *(tex_coords++) = LLVector2(LEAF_LEFT, LEAF_TOP); *(vertices++) = LLVector3(-0.5f*LEAF_WIDTH, 0.f, 1.f); vertex_count++; *(normals++) = LLVector3(SRR2, -SRR2, 0.f); *(tex_coords++) = LLVector2(LEAF_RIGHT, LEAF_BOTTOM); *(vertices++) = LLVector3(0.5f*LEAF_WIDTH, 0.f, 0.f); vertex_count++; *(indicesp++) = 0; index_count++; *(indicesp++) = 1; index_count++; *(indicesp++) = 2; index_count++; *(indicesp++) = 0; index_count++; *(indicesp++) = 3; index_count++; *(indicesp++) = 1; index_count++; // Same leaf, inverse winding/normals *(normals++) = LLVector3(-SRR2, SRR2, 0.f); *(tex_coords++) = LLVector2(LEAF_LEFT, LEAF_BOTTOM); *(vertices++) = LLVector3(-0.5f*LEAF_WIDTH, 0.f, 0.f); vertex_count++; *(normals++) = LLVector3(SRR3, SRR3, SRR3); *(tex_coords++) = LLVector2(LEAF_RIGHT, LEAF_TOP); *(vertices++) = LLVector3(0.5f*LEAF_WIDTH, 0.f, 1.f); vertex_count++; *(normals++) = LLVector3(-SRR3, SRR3, SRR3); *(tex_coords++) = LLVector2(LEAF_LEFT, LEAF_TOP); *(vertices++) = LLVector3(-0.5f*LEAF_WIDTH, 0.f, 1.f); vertex_count++; *(normals++) = LLVector3(SRR2, SRR2, 0.f); *(tex_coords++) = LLVector2(LEAF_RIGHT, LEAF_BOTTOM); *(vertices++) = LLVector3(0.5f*LEAF_WIDTH, 0.f, 0.f); vertex_count++; *(indicesp++) = 4; index_count++; *(indicesp++) = 6; index_count++; *(indicesp++) = 5; index_count++; *(indicesp++) = 4; index_count++; *(indicesp++) = 5; index_count++; *(indicesp++) = 7; index_count++; // next leaf *(normals++) = LLVector3(SRR2, -SRR2, 0.f); *(tex_coords++) = LLVector2(LEAF_LEFT, LEAF_BOTTOM); *(vertices++) = LLVector3(0.f, -0.5f*LEAF_WIDTH, 0.f); vertex_count++; *(normals++) = LLVector3(SRR3, SRR3, SRR3); *(tex_coords++) = LLVector2(LEAF_RIGHT, LEAF_TOP); *(vertices++) = LLVector3(0.f, 0.5f*LEAF_WIDTH, 1.f); vertex_count++; *(normals++) = LLVector3(SRR3, -SRR3, SRR3); *(tex_coords++) = LLVector2(LEAF_LEFT, LEAF_TOP); *(vertices++) = LLVector3(0.f, -0.5f*LEAF_WIDTH, 1.f); vertex_count++; *(normals++) = LLVector3(SRR2, SRR2, 0.f); *(tex_coords++) = LLVector2(LEAF_RIGHT, LEAF_BOTTOM); *(vertices++) = LLVector3(0.f, 0.5f*LEAF_WIDTH, 0.f); vertex_count++; *(indicesp++) = 8; index_count++; *(indicesp++) = 9; index_count++; *(indicesp++) = 10; index_count++; *(indicesp++) = 8; index_count++; *(indicesp++) = 11; index_count++; *(indicesp++) = 9; index_count++; // other side of same leaf *(normals++) = LLVector3(-SRR2, -SRR2, 0.f); *(tex_coords++) = LLVector2(LEAF_LEFT, LEAF_BOTTOM); *(vertices++) = LLVector3(0.f, -0.5f*LEAF_WIDTH, 0.f); vertex_count++; *(normals++) = LLVector3(-SRR3, SRR3, SRR3); *(tex_coords++) = LLVector2(LEAF_RIGHT, LEAF_TOP); *(vertices++) = LLVector3(0.f, 0.5f*LEAF_WIDTH, 1.f); vertex_count++; *(normals++) = LLVector3(-SRR3, -SRR3, SRR3); *(tex_coords++) = LLVector2(LEAF_LEFT, LEAF_TOP); *(vertices++) = LLVector3(0.f, -0.5f*LEAF_WIDTH, 1.f); vertex_count++; *(normals++) = LLVector3(-SRR2, SRR2, 0.f); *(tex_coords++) = LLVector2(LEAF_RIGHT, LEAF_BOTTOM); *(vertices++) = LLVector3(0.f, 0.5f*LEAF_WIDTH, 0.f); vertex_count++; *(indicesp++) = 12; index_count++; *(indicesp++) = 14; index_count++; *(indicesp++) = 13; index_count++; *(indicesp++) = 12; index_count++; *(indicesp++) = 13; index_count++; *(indicesp++) = 15; index_count++; // Generate geometry for the cylinders // Different LOD's // Generate the vertices // Generate the indices for (lod = 0; lod < 4; lod++) { slices = sLODSlices[lod]; F32 base_radius = 0.65f; F32 top_radius = base_radius * sSpeciesTable[mSpecies]->mTaper; //llinfos << "Species " << ((U32) mSpecies) << ", taper = " << sSpeciesTable[mSpecies].mTaper << llendl; //llinfos << "Droop " << mDroop << ", branchlength: " << mBranchLength << llendl; F32 angle = 0; F32 angle_inc = 360.f/(slices-1); F32 z = 0.f; F32 z_inc = 1.f; if (slices > 3) { z_inc = 1.f/(slices - 3); } F32 radius = base_radius; F32 x1,y1; F32 noise_scale = sSpeciesTable[mSpecies]->mNoiseMag; LLVector3 nvec; const F32 cap_nudge = 0.1f; // Height to 'peak' the caps on top/bottom of branch const S32 fractal_depth = 5; F32 nvec_scale = 1.f * sSpeciesTable[mSpecies]->mNoiseScale; F32 nvec_scalez = 4.f * sSpeciesTable[mSpecies]->mNoiseScale; F32 tex_z_repeat = sSpeciesTable[mSpecies]->mRepeatTrunkZ; F32 start_radius; F32 nangle = 0; F32 height = 1.f; F32 r0; for (i = 0; i < slices; i++) { if (i == 0) { z = - cap_nudge; r0 = 0.0; } else if (i == (slices - 1)) { z = 1.f + cap_nudge;//((i - 2) * z_inc) + cap_nudge; r0 = 0.0; } else { z = (i - 1) * z_inc; r0 = base_radius + (top_radius - base_radius)*z; } for (j = 0; j < slices; j++) { if (slices - 1 == j) { angle = 0.f; } else { angle = j*angle_inc; } nangle = angle; x1 = cos(angle * DEG_TO_RAD); y1 = sin(angle * DEG_TO_RAD); LLVector2 tc; // This isn't totally accurate. Should compute based on slope as well. start_radius = r0 * (1.f + 1.2f*fabs(z - 0.66f*height)/height); nvec.setVec( cos(nangle * DEG_TO_RAD)*start_radius*nvec_scale, sin(nangle * DEG_TO_RAD)*start_radius*nvec_scale, z*nvec_scalez); // First and last slice at 0 radius (to bring in top/bottom of structure) radius = start_radius + turbulence3((F32*)&nvec.mV, (F32)fractal_depth)*noise_scale; if (slices - 1 == j) { // Not 0.5 for slight slop factor to avoid edges on leaves tc = LLVector2(0.490f, (1.f - z/2.f)*tex_z_repeat); } else { tc = LLVector2((angle/360.f)*0.5f, (1.f - z/2.f)*tex_z_repeat); } *(vertices++) = LLVector3(x1*radius, y1*radius, z); *(normals++) = LLVector3(x1, y1, 0.f); *(tex_coords++) = tc; vertex_count++; } } for (i = 0; i < (slices - 1); i++) { for (j = 0; j < (slices - 1); j++) { S32 x1_offset = j+1; if ((j+1) == slices) { x1_offset = 0; } // Generate the matching quads *(indicesp) = j + (i*slices) + sLODVertexOffset[lod]; llassert(*(indicesp) < (U32)max_vertices); indicesp++; index_count++; *(indicesp) = x1_offset + ((i+1)*slices) + sLODVertexOffset[lod]; llassert(*(indicesp) < (U32)max_vertices); indicesp++; index_count++; *(indicesp) = j + ((i+1)*slices) + sLODVertexOffset[lod]; llassert(*(indicesp) < (U32)max_vertices); indicesp++; index_count++; *(indicesp) = j + (i*slices) + sLODVertexOffset[lod]; llassert(*(indicesp) < (U32)max_vertices); indicesp++; index_count++; *(indicesp) = x1_offset + (i*slices) + sLODVertexOffset[lod]; llassert(*(indicesp) < (U32)max_vertices); indicesp++; index_count++; *(indicesp) = x1_offset + ((i+1)*slices) + sLODVertexOffset[lod]; llassert(*(indicesp) < (U32)max_vertices); indicesp++; index_count++; } } slices /= 2; } face->mVertexBuffer->setBuffer(0); llassert(vertex_count == max_vertices); llassert(index_count == max_indices); return TRUE; }
BOOL LLVOWater::updateGeometry(LLDrawable *drawable) { LLFastTimer ftm(LLFastTimer::FTM_UPDATE_WATER); LLFace *face; if (drawable->getNumFaces() < 1) { LLDrawPoolWater *poolp = (LLDrawPoolWater*) gPipeline.getPool(LLDrawPool::POOL_WATER); drawable->addFace(poolp, NULL); } face = drawable->getFace(0); // LLVector2 uvs[4]; // LLVector3 vtx[4]; LLStrider<LLVector3> verticesp, normalsp; LLStrider<LLVector2> texCoordsp; LLStrider<U16> indicesp; U16 index_offset; S32 size = 16; S32 num_quads = size*size; face->setSize(4*num_quads, 6*num_quads); if (face->mVertexBuffer.isNull()) { face->mVertexBuffer = new LLVertexBuffer(LLDrawPoolWater::VERTEX_DATA_MASK, GL_DYNAMIC_DRAW_ARB); face->mVertexBuffer->allocateBuffer(face->getGeomCount(), face->getIndicesCount(), TRUE); face->setIndicesIndex(0); face->setGeomIndex(0); } else { face->mVertexBuffer->resizeBuffer(face->getGeomCount(), face->getIndicesCount()); } index_offset = face->getGeometry(verticesp,normalsp,texCoordsp, indicesp); LLVector3 position_agent; position_agent = getPositionAgent(); face->mCenterAgent = position_agent; face->mCenterLocal = position_agent; S32 x, y; F32 step_x = getScale().mV[0] / size; F32 step_y = getScale().mV[1] / size; const LLVector3 up(0.f, step_y * 0.5f, 0.f); const LLVector3 right(step_x * 0.5f, 0.f, 0.f); const LLVector3 normal(0.f, 0.f, 1.f); F32 size_inv = 1.f / size; for (y = 0; y < size; y++) { for (x = 0; x < size; x++) { S32 toffset = index_offset + 4*(y*size + x); position_agent = getPositionAgent() - getScale() * 0.5f; position_agent.mV[VX] += (x + 0.5f) * step_x; position_agent.mV[VY] += (y + 0.5f) * step_y; *verticesp++ = position_agent - right + up; *verticesp++ = position_agent - right - up; *verticesp++ = position_agent + right + up; *verticesp++ = position_agent + right - up; *texCoordsp++ = LLVector2(x*size_inv, (y+1)*size_inv); *texCoordsp++ = LLVector2(x*size_inv, y*size_inv); *texCoordsp++ = LLVector2((x+1)*size_inv, (y+1)*size_inv); *texCoordsp++ = LLVector2((x+1)*size_inv, y*size_inv); *normalsp++ = normal; *normalsp++ = normal; *normalsp++ = normal; *normalsp++ = normal; *indicesp++ = toffset + 0; *indicesp++ = toffset + 1; *indicesp++ = toffset + 2; *indicesp++ = toffset + 1; *indicesp++ = toffset + 3; *indicesp++ = toffset + 2; } } face->mVertexBuffer->setBuffer(0); mDrawable->movePartition(); LLPipeline::sCompiles++; return TRUE; }