diff options
Diffstat (limited to 'indra/newview')
| -rw-r--r-- | indra/newview/llfloatermodelpreview.cpp | 25 | ||||
| -rw-r--r-- | indra/newview/llfloatermodelwizard.cpp | 25 | ||||
| -rwxr-xr-x | indra/newview/llmeshrepository.cpp | 19 | ||||
| -rw-r--r-- | indra/newview/llmeshrepository.h | 10 |
4 files changed, 72 insertions, 7 deletions
diff --git a/indra/newview/llfloatermodelpreview.cpp b/indra/newview/llfloatermodelpreview.cpp index 9dd5269a6b..2a3bd37129 100644 --- a/indra/newview/llfloatermodelpreview.cpp +++ b/indra/newview/llfloatermodelpreview.cpp @@ -4962,9 +4962,12 @@ LLFloaterModelPreview::DecompRequest::DecompRequest(const std::string& stage, LL if (mdl) { 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) @@ -4978,12 +4981,28 @@ LLFloaterModelPreview::DecompRequest::DecompRequest(const std::string& stage, LL 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]) ; + } } - for (U32 j = 0; j < face.mNumIndices; ++j) + updateTriangleAreaThreshold() ; + + for (U32 j = 0; j+2 < face.mNumIndices; j += 3) { - mIndices.push_back(face.mIndices[j]+index_offset); - } + 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; } diff --git a/indra/newview/llfloatermodelwizard.cpp b/indra/newview/llfloatermodelwizard.cpp index faf81dbc5c..e44737f39e 100644 --- a/indra/newview/llfloatermodelwizard.cpp +++ b/indra/newview/llfloatermodelwizard.cpp @@ -441,10 +441,13 @@ LLFloaterModelWizard::DecompRequest::DecompRequest(const std::string& stage, LLM if (mdl) { 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) { @@ -457,11 +460,27 @@ LLFloaterModelWizard::DecompRequest::DecompRequest(const std::string& stage, LLM 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]) ; + } } - for (U32 j = 0; j < face.mNumIndices; ++j) + updateTriangleAreaThreshold() ; + + for (U32 j = 0; j+2 < face.mNumIndices; j += 3) { - mIndices.push_back(face.mIndices[j]+index_offset); + 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; diff --git a/indra/newview/llmeshrepository.cpp b/indra/newview/llmeshrepository.cpp index 2f5563e1a6..b79f120eda 100755 --- a/indra/newview/llmeshrepository.cpp +++ b/indra/newview/llmeshrepository.cpp @@ -3820,6 +3820,25 @@ void LLPhysicsDecomp::run() mDone = true; } +void LLPhysicsDecomp::Request::updateTriangleAreaThreshold() +{ + F32 range = mBBox[1].mV[0] - mBBox[0].mV[0] ; + range = llmin(range, mBBox[1].mV[1] - mBBox[0].mV[1]) ; + range = llmin(range, mBBox[1].mV[2] - mBBox[0].mV[2]) ; + + mTriangleAreaThreshold = llmin(0.0002f, range * 0.000002f) ; +} + +//check if the triangle area is large enough to qualify for a valid triangle +bool LLPhysicsDecomp::Request::isValidTriangle(U16 idx1, U16 idx2, U16 idx3) +{ + LLVector3 a = mPositions[idx2] - mPositions[idx1] ; + LLVector3 b = mPositions[idx3] - mPositions[idx1] ; + F32 c = a * b ; + + return ((a*a) * (b*b) - c * c) > mTriangleAreaThreshold ; +} + void LLPhysicsDecomp::Request::setStatusMessage(const std::string& msg) { mStatusMessage = msg; diff --git a/indra/newview/llmeshrepository.h b/indra/newview/llmeshrepository.h index f859e29c07..0a6954bade 100644 --- a/indra/newview/llmeshrepository.h +++ b/indra/newview/llmeshrepository.h @@ -152,7 +152,7 @@ public: std::string mStatusMessage; std::vector<LLModel::PhysicsMesh> mHullMesh; LLModel::convex_hull_decomposition mHull; - + //status message callback, called from decomposition thread virtual S32 statusCallback(const char* status, S32 p1, S32 p2) = 0; @@ -160,6 +160,14 @@ public: virtual void completed() = 0; virtual void setStatusMessage(const std::string& msg); + + protected: + //internal use + LLVector3 mBBox[2] ; + F32 mTriangleAreaThreshold ; + + void updateTriangleAreaThreshold() ; + bool isValidTriangle(U16 idx1, U16 idx2, U16 idx3) ; }; LLCondition* mSignal; |