diff options
Diffstat (limited to 'indra/llmath')
-rw-r--r-- | indra/llmath/llvolume.cpp | 93 |
1 files changed, 55 insertions, 38 deletions
diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp index 39b7453ffc..14e1ca8d43 100644 --- a/indra/llmath/llvolume.cpp +++ b/indra/llmath/llvolume.cpp @@ -80,6 +80,8 @@ const F32 SKEW_MAX = 0.95f; const F32 SCULPT_MIN_AREA = 0.002f; const S32 SCULPT_MIN_AREA_DETAIL = 1; +#define GEN_TRI_STRIP 0 + BOOL check_same_clock_dir( const LLVector3& pt1, const LLVector3& pt2, const LLVector3& pt3, const LLVector3& norm) { LLVector3 test = (pt2-pt1)%(pt3-pt2); @@ -1682,7 +1684,7 @@ LLVolume::LLVolume(const LLVolumeParams ¶ms, const F32 detail, const BOOL ge mGenerateSingleFace = generate_single_face; generate(); - if (mParams.getSculptID().isNull()) + if (mParams.getSculptID().isNull() && params.getSculptType() == LL_SCULPT_TYPE_NONE) { createVolumeFaces(); } @@ -1858,6 +1860,11 @@ void LLVolume::createVolumeFaces() LLProfile::Face& face = mProfilep->mFaces[i]; vf.mBeginS = face.mIndex; vf.mNumS = face.mCount; + if (vf.mNumS < 0) + { + llerrs << "Volume face corruption detected." << llendl; + } + vf.mBeginT = 0; vf.mNumT= getPath().mPath.size(); vf.mID = i; @@ -1901,6 +1908,10 @@ void LLVolume::createVolumeFaces() if (face.mFlat && vf.mNumS > 2) { //flat inner faces have to copy vert normals vf.mNumS = vf.mNumS*2; + if (vf.mNumS < 0) + { + llerrs << "Volume face corruption detected." << llendl; + } } } else @@ -4515,7 +4526,9 @@ BOOL LLVolumeFace::createUnCutCubeCap(LLVolume* volume, BOOL partial_build) if (!partial_build) { +#if GEN_TRI_STRIP mTriStrip.clear(); +#endif S32 idxs[] = {0,1,(grid_size+1)+1,(grid_size+1)+1,(grid_size+1),0}; for(S32 gx = 0;gx<grid_size;gx++) { @@ -4529,6 +4542,7 @@ BOOL LLVolumeFace::createUnCutCubeCap(LLVolume* volume, BOOL partial_build) mIndices.push_back(vtop+(gy*(grid_size+1))+gx+idxs[i]); } +#if GEN_TRI_STRIP if (gy == 0) { mTriStrip.push_back((gx+1)*(grid_size+1)); @@ -4544,6 +4558,7 @@ BOOL LLVolumeFace::createUnCutCubeCap(LLVolume* volume, BOOL partial_build) { mTriStrip.push_back(gy+1+gx*(grid_size+1)); } +#endif } else { @@ -4552,6 +4567,7 @@ BOOL LLVolumeFace::createUnCutCubeCap(LLVolume* volume, BOOL partial_build) mIndices.push_back(vtop+(gy*(grid_size+1))+gx+idxs[i]); } +#if GEN_TRI_STRIP if (gy == 0) { mTriStrip.push_back(gx*(grid_size+1)); @@ -4566,15 +4582,18 @@ BOOL LLVolumeFace::createUnCutCubeCap(LLVolume* volume, BOOL partial_build) { mTriStrip.push_back(gy+1+(gx+1)*(grid_size+1)); } +#endif } } } +#if GEN_TRI_STRIP if (mTriStrip.size()%2 == 1) { mTriStrip.push_back(mTriStrip[mTriStrip.size()-1]); } +#endif } return TRUE; @@ -4944,6 +4963,7 @@ BOOL LLVolumeFace::createCap(LLVolume* volume, BOOL partial_build) mIndices[3*i+v2] = i + 1; } +#if GEN_TRI_STRIP //make tri strip if (mTypeMask & OPEN_MASK) { @@ -4986,6 +5006,7 @@ BOOL LLVolumeFace::createCap(LLVolume* volume, BOOL partial_build) mTriStrip.push_back(mTriStrip[mTriStrip.size()-1]); } } +#endif } return TRUE; @@ -4993,6 +5014,7 @@ BOOL LLVolumeFace::createCap(LLVolume* volume, BOOL partial_build) void LLVolumeFace::makeTriStrip() { +#if GEN_TRI_STRIP for (U32 i = 0; i < mIndices.size(); i+=3) { U16 i0 = mIndices[i]; @@ -5021,6 +5043,7 @@ void LLVolumeFace::makeTriStrip() { mTriStrip.push_back(mTriStrip[mTriStrip.size()-1]); } +#endif } void LLVolumeFace::createBinormals() @@ -5106,12 +5129,6 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build) mHasBinormals = FALSE; } - - LLVector3& face_min = mExtents[0]; - LLVector3& face_max = mExtents[1]; - - mCenter.clearVec(); - S32 begin_stex = llfloor( profile[mBeginS].mV[2] ); S32 num_s = ((mTypeMask & INNER_MASK) && (mTypeMask & FLAT_MASK) && mNumS > 2) ? mNumS/2 : mNumS; @@ -5167,15 +5184,6 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build) mVertices[cur_vertex].mNormal = LLVector3(0,0,0); mVertices[cur_vertex].mBinormal = LLVector3(0,0,0); - - if (cur_vertex == 0) - { - face_min = face_max = mesh[i].mPos; - } - else - { - update_min_max(face_min, face_max, mesh[i].mPos); - } cur_vertex++; @@ -5209,12 +5217,22 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build) mVertices[cur_vertex].mNormal = LLVector3(0,0,0); mVertices[cur_vertex].mBinormal = LLVector3(0,0,0); - update_min_max(face_min,face_max,mesh[i].mPos); - cur_vertex++; } } + + //get bounding box for this side + LLVector3& face_min = mExtents[0]; + LLVector3& face_max = mExtents[1]; + mCenter.clearVec(); + + face_min = face_max = mVertices[0].mPosition; + for (U32 i = 1; i < mVertices.size(); ++i) + { + update_min_max(face_min, face_max, mVertices[i].mPosition); + } + mCenter = (face_min + face_max) * 0.5f; S32 cur_index = 0; @@ -5223,13 +5241,17 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build) if (!partial_build) { +#if GEN_TRI_STRIP mTriStrip.clear(); +#endif // Now we generate the indices. for (t = 0; t < (mNumT-1); t++) { +#if GEN_TRI_STRIP //prepend terminating index to strip mTriStrip.push_back(mNumS*t); +#endif for (s = 0; s < (mNumS-1); s++) { @@ -5240,6 +5262,7 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build) mIndices[cur_index++] = s+1 + mNumS*t; //bottom right mIndices[cur_index++] = s+1 + mNumS*(t+1); //top right +#if GEN_TRI_STRIP if (s == 0) { mTriStrip.push_back(s+mNumS*t); @@ -5247,6 +5270,7 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build) } mTriStrip.push_back(s+1+mNumS*t); mTriStrip.push_back(s+1+mNumS*(t+1)); +#endif mEdge[cur_edge++] = (mNumS-1)*2*t+s*2+1; //bottom left/top right neighbor face if (t < mNumT-2) { //top right/top left neighbor face @@ -5288,44 +5312,37 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build) } mEdge[cur_edge++] = (mNumS-1)*2*t+s*2; //top right/bottom left neighbor face } +#if GEN_TRI_STRIP //append terminating vertex to strip mTriStrip.push_back(mNumS-1+mNumS*(t+1)); +#endif } +#if GEN_TRI_STRIP if (mTriStrip.size()%2 == 1) { mTriStrip.push_back(mTriStrip[mTriStrip.size()-1]); } +#endif } //generate normals for (U32 i = 0; i < mIndices.size()/3; i++) //for each triangle { - const S32 i0 = mIndices[i*3+0]; - const S32 i1 = mIndices[i*3+1]; - const S32 i2 = mIndices[i*3+2]; - const VertexData& v0 = mVertices[i0]; - const VertexData& v1 = mVertices[i1]; - const VertexData& v2 = mVertices[i2]; + const U16* idx = &(mIndices[i*3]); + + VertexData* v[] = + { &mVertices[idx[0]], &mVertices[idx[1]], &mVertices[idx[2]] }; //calculate triangle normal - LLVector3 norm = (v0.mPosition-v1.mPosition) % (v0.mPosition-v2.mPosition); + LLVector3 norm = (v[0]->mPosition-v[1]->mPosition) % (v[0]->mPosition-v[2]->mPosition); - for (U32 j = 0; j < 3; j++) - { //add triangle normal to vertices - const S32 idx = mIndices[i*3+j]; - mVertices[idx].mNormal += norm; // * (weight_sum - d[j])/weight_sum; - } + v[0]->mNormal += norm; + v[1]->mNormal += norm; + v[2]->mNormal += norm; //even out quad contributions - if ((i & 1) == 0) - { - mVertices[i2].mNormal += norm; - } - else - { - mVertices[i1].mNormal += norm; - } + v[i%2+1]->mNormal += norm; } // adjust normals based on wrapping and stitching |