diff options
author | Tofu Linden <tofu.linden@lindenlab.com> | 2010-08-24 18:44:39 +0100 |
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committer | Tofu Linden <tofu.linden@lindenlab.com> | 2010-08-24 18:44:39 +0100 |
commit | 98cc2365034a93c69704daa69efb389799cc9627 (patch) | |
tree | 4c3ec75b78a26a736f18a2153af025040ae05a4b /indra/llmath | |
parent | 6ba23344c95157793af9e4154933ae8df61630e8 (diff) |
Backed out changeset a62bf7c0af21
Backing out this merge that I pushed (prematurely) to the wrong place.
Diffstat (limited to 'indra/llmath')
-rw-r--r-- | indra/llmath/llvolume.cpp | 93 |
1 files changed, 38 insertions, 55 deletions
diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp index 14e1ca8d43..39b7453ffc 100644 --- a/indra/llmath/llvolume.cpp +++ b/indra/llmath/llvolume.cpp @@ -80,8 +80,6 @@ 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); @@ -1684,7 +1682,7 @@ LLVolume::LLVolume(const LLVolumeParams ¶ms, const F32 detail, const BOOL ge mGenerateSingleFace = generate_single_face; generate(); - if (mParams.getSculptID().isNull() && params.getSculptType() == LL_SCULPT_TYPE_NONE) + if (mParams.getSculptID().isNull()) { createVolumeFaces(); } @@ -1860,11 +1858,6 @@ 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; @@ -1908,10 +1901,6 @@ 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 @@ -4526,9 +4515,7 @@ 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++) { @@ -4542,7 +4529,6 @@ 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)); @@ -4558,7 +4544,6 @@ BOOL LLVolumeFace::createUnCutCubeCap(LLVolume* volume, BOOL partial_build) { mTriStrip.push_back(gy+1+gx*(grid_size+1)); } -#endif } else { @@ -4567,7 +4552,6 @@ 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)); @@ -4582,18 +4566,15 @@ 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; @@ -4963,7 +4944,6 @@ 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) { @@ -5006,7 +4986,6 @@ BOOL LLVolumeFace::createCap(LLVolume* volume, BOOL partial_build) mTriStrip.push_back(mTriStrip[mTriStrip.size()-1]); } } -#endif } return TRUE; @@ -5014,7 +4993,6 @@ 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]; @@ -5043,7 +5021,6 @@ void LLVolumeFace::makeTriStrip() { mTriStrip.push_back(mTriStrip[mTriStrip.size()-1]); } -#endif } void LLVolumeFace::createBinormals() @@ -5129,6 +5106,12 @@ 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; @@ -5184,6 +5167,15 @@ 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++; @@ -5217,22 +5209,12 @@ 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; @@ -5241,17 +5223,13 @@ 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++) { @@ -5262,7 +5240,6 @@ 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); @@ -5270,7 +5247,6 @@ 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 @@ -5312,37 +5288,44 @@ 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 U16* idx = &(mIndices[i*3]); - - VertexData* v[] = - { &mVertices[idx[0]], &mVertices[idx[1]], &mVertices[idx[2]] }; + 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]; //calculate triangle normal - LLVector3 norm = (v[0]->mPosition-v[1]->mPosition) % (v[0]->mPosition-v[2]->mPosition); + LLVector3 norm = (v0.mPosition-v1.mPosition) % (v0.mPosition-v2.mPosition); - v[0]->mNormal += norm; - v[1]->mNormal += norm; - v[2]->mNormal += norm; + 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; + } //even out quad contributions - v[i%2+1]->mNormal += norm; + if ((i & 1) == 0) + { + mVertices[i2].mNormal += norm; + } + else + { + mVertices[i1].mNormal += norm; + } } // adjust normals based on wrapping and stitching |