diff options
Diffstat (limited to 'indra/llmath/llvolume.cpp')
-rw-r--r-- | indra/llmath/llvolume.cpp | 48 |
1 files changed, 30 insertions, 18 deletions
diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp index 6dd5c8e5c8..c0b50b606e 100644 --- a/indra/llmath/llvolume.cpp +++ b/indra/llmath/llvolume.cpp @@ -93,11 +93,13 @@ extern BOOL gDebugGL; void assert_aligned(void* ptr, uintptr_t alignment) { +#if 0 uintptr_t t = (uintptr_t) ptr; if (t%alignment != 0) { llerrs << "WTF?" << llendl; } +#endif } BOOL check_same_clock_dir( const LLVector3& pt1, const LLVector3& pt2, const LLVector3& pt3, const LLVector3& norm) @@ -2319,12 +2321,6 @@ bool LLVolume::unpackVolumeFaces(std::istream& is, S32 size) pos_range.setSub(max_pos, min_pos); LLVector2 tc_range = max_tc - min_tc; - LLVector4a& min = face.mExtents[0]; - LLVector4a& max = face.mExtents[1]; - - min.clear(); - max.clear(); - LLVector4a* pos_out = face.mPositions; LLVector4a* norm_out = face.mNormals; LLVector2* tc_out = face.mTexCoords; @@ -2338,17 +2334,6 @@ bool LLVolume::unpackVolumeFaces(std::istream& is, S32 size) pos_out->mul(pos_range); pos_out->add(min_pos); - if (j == 0) - { - min = *pos_out; - max = min; - } - else - { - min.setMin(min, *pos_out); - max.setMax(max, *pos_out); - } - pos_out++; U16* n = (U16*) &(norm[j*3*2]); @@ -2425,6 +2410,19 @@ bool LLVolume::unpackVolumeFaces(std::istream& is, S32 size) } } + //calculate bounding box + LLVector4a& min = face.mExtents[0]; + LLVector4a& max = face.mExtents[1]; + + min.clear(); + max.clear(); + min = max = face.mPositions[0]; + + for (S32 i = 1; i < face.mNumVertices; ++i) + { + min.setMin(min, face.mPositions[i]); + max.setMax(max, face.mPositions[i]); + } } } @@ -5525,7 +5523,7 @@ void LLVolumeFace::createOctree(F32 scaler, const LLVector4a& center, const LLVe center.setAdd(min, max); center.mul(0.5f); - *tri->mPositionGroup = center; + tri->mPositionGroup = center; //compute "radius" LLVector4a size; @@ -6140,6 +6138,14 @@ void LLVolumeFace::createBinormals() LLVector2* tc = (LLVector2*) mTexCoords; LLVector4a* binorm = (LLVector4a*) mBinormals; + LLVector4a* end = mBinormals+mNumVertices; + while (binorm < end) + { + (*binorm++).clear(); + } + + binorm = mBinormals; + for (U32 i = 0; i < mNumIndices/3; i++) { //for each triangle const U16& i0 = mIndices[i*3+0]; @@ -6593,6 +6599,12 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build) } } + //clear normals + for (U32 i = 0; i < mNumVertices; i++) + { + mNormals[i].clear(); + } + //generate normals for (U32 i = 0; i < mNumIndices/3; i++) //for each triangle { |