diff options
| -rw-r--r-- | indra/llmath/llvolume.cpp | 135 |
1 files changed, 131 insertions, 4 deletions
diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp index 6f0b4b2410..7a54d83b3f 100644 --- a/indra/llmath/llvolume.cpp +++ b/indra/llmath/llvolume.cpp @@ -3697,10 +3697,46 @@ void LLVolume::generateSilhouetteVertices(std::vector<LLVector3> &vertices, continue; } - if (face.mTypeMask & (LLVolumeFace::CAP_MASK)) { + if (face.mTypeMask & (LLVolumeFace::CAP_MASK)) + { + LLVector4a* v = (LLVector4a*)face.mPositions; + LLVector4a* n = (LLVector4a*)face.mNormals; + + for (U32 j = 0; j < face.mNumIndices / 3; j++) + { + for (S32 k = 0; k < 3; k++) + { + S32 index = face.mEdge[j * 3 + k]; + + if (index == -1) + { + // silhouette edge, currently only cubes, so no other conditions + + S32 v1 = face.mIndices[j * 3 + k]; + S32 v2 = face.mIndices[j * 3 + ((k + 1) % 3)]; + + LLVector4a t; + mat.affineTransform(v[v1], t); + vertices.push_back(LLVector3(t[0], t[1], t[2])); + + norm_mat.rotate(n[v1], t); + + t.normalize3fast(); + normals.push_back(LLVector3(t[0], t[1], t[2])); + + mat.affineTransform(v[v2], t); + vertices.push_back(LLVector3(t[0], t[1], t[2])); + + norm_mat.rotate(n[v2], t); + t.normalize3fast(); + normals.push_back(LLVector3(t[0], t[1], t[2])); + } + } + } } - else { + else + { //============================================== //DEBUG draw edge map instead of silhouette edge @@ -5549,10 +5585,17 @@ BOOL LLVolumeFace::createUnCutCubeCap(LLVolume* volume, BOOL partial_build) if (!partial_build) { resizeIndices(grid_size*grid_size*6); + if (!volume->isMeshAssetLoaded()) + { + mEdge.resize(grid_size*grid_size * 6); + } U16* out = mIndices; S32 idxs[] = {0,1,(grid_size+1)+1,(grid_size+1)+1,(grid_size+1),0}; + + int cur_edge = 0; + for(S32 gx = 0;gx<grid_size;gx++) { @@ -5563,7 +5606,49 @@ BOOL LLVolumeFace::createUnCutCubeCap(LLVolume* volume, BOOL partial_build) for(S32 i=5;i>=0;i--) { *out++ = ((gy*(grid_size+1))+gx+idxs[i]); - } + } + + S32 edge_value = grid_size * 2 * gy + gx * 2; + + if (gx > 0) + { + mEdge[cur_edge++] = edge_value; + } + else + { + mEdge[cur_edge++] = -1; // Mark face to higlight it + } + + if (gy < grid_size - 1) + { + mEdge[cur_edge++] = edge_value; + } + else + { + mEdge[cur_edge++] = -1; + } + + mEdge[cur_edge++] = edge_value; + + if (gx < grid_size - 1) + { + mEdge[cur_edge++] = edge_value; + } + else + { + mEdge[cur_edge++] = -1; + } + + if (gy > 0) + { + mEdge[cur_edge++] = edge_value; + } + else + { + mEdge[cur_edge++] = -1; + } + + mEdge[cur_edge++] = edge_value; } else { @@ -5571,8 +5656,50 @@ BOOL LLVolumeFace::createUnCutCubeCap(LLVolume* volume, BOOL partial_build) { *out++ = ((gy*(grid_size+1))+gx+idxs[i]); } + + S32 edge_value = grid_size * 2 * gy + gx * 2; + + if (gy > 0) + { + mEdge[cur_edge++] = edge_value; + } + else + { + mEdge[cur_edge++] = -1; + } + + if (gx < grid_size - 1) + { + mEdge[cur_edge++] = edge_value; + } + else + { + mEdge[cur_edge++] = -1; + } + + mEdge[cur_edge++] = edge_value; + + if (gy < grid_size - 1) + { + mEdge[cur_edge++] = edge_value; + } + else + { + mEdge[cur_edge++] = -1; + } + + if (gx > 0) + { + mEdge[cur_edge++] = edge_value; + } + else + { + mEdge[cur_edge++] = -1; + } + + mEdge[cur_edge++] = edge_value; } - } + } } } |