summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--indra/newview/lldrawpooltree.cpp15
-rw-r--r--indra/newview/llvotree.cpp38
-rw-r--r--indra/newview/llvotree.h1
3 files changed, 34 insertions, 20 deletions
diff --git a/indra/newview/lldrawpooltree.cpp b/indra/newview/lldrawpooltree.cpp
index 1a5d55d793..1571415e63 100644
--- a/indra/newview/lldrawpooltree.cpp
+++ b/indra/newview/lldrawpooltree.cpp
@@ -113,9 +113,12 @@ void LLDrawPoolTree::render(S32 pass)
iter != mDrawFace.end(); iter++)
{
LLFace *face = *iter;
- face->mVertexBuffer->setBuffer(LLDrawPoolTree::VERTEX_DATA_MASK);
- face->mVertexBuffer->drawRange(LLRender::TRIANGLES, 0, face->mVertexBuffer->getRequestedVerts()-1, face->mVertexBuffer->getRequestedIndices(), 0);
- gPipeline.addTrianglesDrawn(face->mVertexBuffer->getRequestedIndices());
+ if(face->mVertexBuffer.notNull())
+ {
+ face->mVertexBuffer->setBuffer(LLDrawPoolTree::VERTEX_DATA_MASK);
+ face->mVertexBuffer->drawRange(LLRender::TRIANGLES, 0, face->mVertexBuffer->getRequestedVerts()-1, face->mVertexBuffer->getRequestedIndices(), 0);
+ gPipeline.addTrianglesDrawn(face->mVertexBuffer->getRequestedIndices());
+ }
}
}
}
@@ -333,7 +336,7 @@ void LLDrawPoolTree::renderTree(BOOL selecting)
S32 stop_depth = 0;
F32 app_angle = treep->getAppAngle()*LLVOTree::sTreeFactor;
F32 alpha = 1.0;
- S32 trunk_LOD = 0;
+ S32 trunk_LOD = LLVOTree::sMAX_NUM_TREE_LOD_LEVELS;
for (S32 j = 0; j < 4; j++)
{
@@ -344,6 +347,10 @@ void LLDrawPoolTree::renderTree(BOOL selecting)
break;
}
}
+ if(trunk_LOD >= LLVOTree::sMAX_NUM_TREE_LOD_LEVELS)
+ {
+ continue ; //do not render.
+ }
if (app_angle < (THRESH_ANGLE_FOR_BILLBOARD - BLEND_RANGE_FOR_BILLBOARD))
{
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;
diff --git a/indra/newview/llvotree.h b/indra/newview/llvotree.h
index feac9e0675..036ad692b1 100644
--- a/indra/newview/llvotree.h
+++ b/indra/newview/llvotree.h
@@ -152,6 +152,7 @@ public:
};
static F32 sTreeFactor; // Tree level of detail factor
+ static const S32 sMAX_NUM_TREE_LOD_LEVELS ;
friend class LLDrawPoolTree;
protected: