diff options
Diffstat (limited to 'indra/newview/llvotree.cpp')
| -rw-r--r-- | indra/newview/llvotree.cpp | 38 |
1 files changed, 22 insertions, 16 deletions
diff --git a/indra/newview/llvotree.cpp b/indra/newview/llvotree.cpp index b89c0cd638..eb5b6c6618 100644 --- a/indra/newview/llvotree.cpp +++ b/indra/newview/llvotree.cpp @@ -66,12 +66,14 @@ const F32 LEAF_TOP = 1.0f; const F32 LEAF_BOTTOM = 0.52f; const F32 LEAF_WIDTH = 1.f; -S32 LLVOTree::sLODVertexOffset[4]; -S32 LLVOTree::sLODVertexCount[4]; -S32 LLVOTree::sLODIndexOffset[4]; -S32 LLVOTree::sLODIndexCount[4]; -S32 LLVOTree::sLODSlices[4] = {10, 5, 4, 3}; -F32 LLVOTree::sLODAngles[4] = {30.f, 20.f, 15.f, 0.f}; +const S32 LLVOTree::sMAX_NUM_TREE_LOD_LEVELS = 4 ; + +S32 LLVOTree::sLODVertexOffset[sMAX_NUM_TREE_LOD_LEVELS]; +S32 LLVOTree::sLODVertexCount[sMAX_NUM_TREE_LOD_LEVELS]; +S32 LLVOTree::sLODIndexOffset[sMAX_NUM_TREE_LOD_LEVELS]; +S32 LLVOTree::sLODIndexCount[sMAX_NUM_TREE_LOD_LEVELS]; +S32 LLVOTree::sLODSlices[sMAX_NUM_TREE_LOD_LEVELS] = {10, 5, 4, 3}; +F32 LLVOTree::sLODAngles[sMAX_NUM_TREE_LOD_LEVELS] = {30.f, 20.f, 15.f, 0.00001f}; F32 LLVOTree::sTreeFactor = 1.f; @@ -373,12 +375,11 @@ BOOL LLVOTree::idleUpdate(LLAgent &agent, LLWorld &world, const F64 &time) } } - S32 trunk_LOD = 0; + S32 trunk_LOD = sMAX_NUM_TREE_LOD_LEVELS ; F32 app_angle = getAppAngle()*LLVOTree::sTreeFactor; - for (S32 j = 0; j < 4; j++) + for (S32 j = 0; j < sMAX_NUM_TREE_LOD_LEVELS; j++) { - if (app_angle > LLVOTree::sLODAngles[j]) { trunk_LOD = j; @@ -445,16 +446,15 @@ void LLVOTree::setPixelAreaAndAngle(LLAgent &agent) // This should be the camera's center, as soon as we move to all region-local. LLVector3 relative_position = getPositionAgent() - gAgentCamera.getCameraPositionAgent(); - F32 range = relative_position.length(); // ugh, square root + F32 range_squared = relative_position.lengthSquared() ; F32 max_scale = mBillboardScale * getMaxScale(); F32 area = max_scale * (max_scale*mBillboardRatio); // Compute pixels per meter at the given range - F32 pixels_per_meter = LLViewerCamera::getInstance()->getViewHeightInPixels() / - (tan(LLViewerCamera::getInstance()->getView()) * range); + F32 pixels_per_meter = LLViewerCamera::getInstance()->getViewHeightInPixels() / tan(LLViewerCamera::getInstance()->getView()); - mPixelArea = (pixels_per_meter) * (pixels_per_meter) * area; + mPixelArea = (pixels_per_meter) * (pixels_per_meter) * area / range_squared; #if 0 // mAppAngle is a bit of voodoo; // use the one calculated LLViewerObject::setPixelAreaAndAngle above @@ -506,6 +506,13 @@ BOOL LLVOTree::updateGeometry(LLDrawable *drawable) { LLFastTimer ftm(FTM_UPDATE_TREE); + if(mTrunkLOD >= sMAX_NUM_TREE_LOD_LEVELS) //do not display the tree. + { + mReferenceBuffer = NULL ; + mDrawable->getFace(0)->mVertexBuffer = NULL ; + return TRUE ; + } + if (mReferenceBuffer.isNull() || mDrawable->getFace(0)->mVertexBuffer.isNull()) { const F32 SRR3 = 0.577350269f; // sqrt(1/3) @@ -523,7 +530,7 @@ BOOL LLVOTree::updateGeometry(LLDrawable *drawable) face->mCenterAgent = getPositionAgent(); face->mCenterLocal = face->mCenterAgent; - for (lod = 0; lod < 4; lod++) + for (lod = 0; lod < sMAX_NUM_TREE_LOD_LEVELS; lod++) { slices = sLODSlices[lod]; sLODVertexOffset[lod] = max_vertices; @@ -700,7 +707,7 @@ BOOL LLVOTree::updateGeometry(LLDrawable *drawable) // Generate the vertices // Generate the indices - for (lod = 0; lod < 4; lod++) + for (lod = 0; lod < sMAX_NUM_TREE_LOD_LEVELS; lod++) { slices = sLODSlices[lod]; F32 base_radius = 0.65f; @@ -892,7 +899,6 @@ void LLVOTree::updateMesh() S32 stop_depth = 0; F32 alpha = 1.0; - U32 vert_count = 0; U32 index_count = 0; |