1 files changed, 57 insertions, 29 deletions
diff --git a/indra/newview/llmeshrepository.cpp b/indra/newview/llmeshrepository.cpp
index 29904c579c..0b10024663 100644
--- a/indra/newview/llmeshrepository.cpp
+++ b/indra/newview/llmeshrepository.cpp
@@ -1323,35 +1323,7 @@ LLMeshUploadThread::DecompRequest::DecompRequest(LLModel* mdl, LLModel* base_mod
 	mThread = thread;
 	
 	//copy out positions and indices
-	if (mdl)
-	{
-		U16 index_offset = 0;
-
-		mPositions.clear();
-		mIndices.clear();
-			
-		//queue up vertex positions and indices
-		for (S32 i = 0; i < mdl->getNumVolumeFaces(); ++i)
-		{
-			const LLVolumeFace& face = mdl->getVolumeFace(i);
-			if (mPositions.size() + face.mNumVertices > 65535)
-			{
-				continue;
-			}
-
-			for (U32 j = 0; j < face.mNumVertices; ++j)
-			{
-				mPositions.push_back(LLVector3(face.mPositions[j].getF32ptr()));
-			}
-
-			for (U32 j = 0; j < face.mNumIndices; ++j)
-			{
-				mIndices.push_back(face.mIndices[j]+index_offset);
-			}
-
-			index_offset += face.mNumVertices;
-		}
-	}
+	assignData(mdl) ;	
 
 	mThread->mFinalDecomp = this;
 	mThread->mPhysicsComplete = false;
@@ -3599,6 +3571,62 @@ void LLPhysicsDecomp::run()
 	mDone = true;
 }
 
+void LLPhysicsDecomp::Request::assignData(LLModel* mdl) 
+{
+	if (!mdl)
+	{
+		return ;
+	}
+
+	U16 index_offset = 0;
+	U16 tri[3] ;
+
+	mPositions.clear();
+	mIndices.clear();
+	mBBox[1] = LLVector3(F32_MIN, F32_MIN, F32_MIN) ;
+	mBBox[0] = LLVector3(F32_MAX, F32_MAX, F32_MAX) ;
+		
+	//queue up vertex positions and indices
+	for (S32 i = 0; i < mdl->getNumVolumeFaces(); ++i)
+	{
+		const LLVolumeFace& face = mdl->getVolumeFace(i);
+		if (mPositions.size() + face.mNumVertices > 65535)
+		{
+			continue;
+		}
+
+		for (U32 j = 0; j < face.mNumVertices; ++j)
+		{
+			mPositions.push_back(LLVector3(face.mPositions[j].getF32ptr()));
+			for(U32 k = 0 ; k < 3 ; k++)
+			{
+				mBBox[0].mV[k] = llmin(mBBox[0].mV[k], mPositions[j].mV[k]) ;
+				mBBox[1].mV[k] = llmax(mBBox[1].mV[k], mPositions[j].mV[k]) ;
+			}
+		}
+
+		updateTriangleAreaThreshold() ;
+
+		for (U32 j = 0; j+2 < face.mNumIndices; j += 3)
+		{
+			tri[0] = face.mIndices[j] + index_offset ;
+			tri[1] = face.mIndices[j + 1] + index_offset ;
+			tri[2] = face.mIndices[j + 2] + index_offset ;
+				
+			if(isValidTriangle(tri[0], tri[1], tri[2]))
+			{
+				mIndices.push_back(tri[0]);
+				mIndices.push_back(tri[1]);
+				mIndices.push_back(tri[2]);
+			}
+		}
+
+		index_offset += face.mNumVertices;
+	}
+
+	return ;
+}
+
 void LLPhysicsDecomp::Request::updateTriangleAreaThreshold() 
 {
 	F32 range = mBBox[1].mV[0] - mBBox[0].mV[0] ;