From 15235061e8a8f64dd94640d27eadfce23ccb76f6 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Sat, 18 Jun 2011 01:02:03 -0500 Subject: SH-828 Fix for using uninitialized data when normals or texture coordinates are absent from collada file (can now upload meshes without normals or texture coordinates). --- indra/llmath/llvolume.cpp | 141 ++++++++++++++++++++++++++++++++++++---------- 1 file changed, 112 insertions(+), 29 deletions(-) (limited to 'indra/llmath/llvolume.cpp') diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp index 8c81f27784..7c7c4306da 100644 --- a/indra/llmath/llvolume.cpp +++ b/indra/llmath/llvolume.cpp @@ -2379,11 +2379,16 @@ bool LLVolumeFace::VertexData::operator==(const LLVolumeFace::VertexData& rhs)co bool LLVolumeFace::VertexData::compareNormal(const LLVolumeFace::VertexData& rhs, F32 angle_cutoff) const { bool retval = false; - if (rhs.mData[POSITION].equals3(mData[POSITION]) && rhs.mTexCoord == mTexCoord) + + const F32 epsilon = 0.00001f; + + if (rhs.mData[POSITION].equals3(mData[POSITION], epsilon) && + abs(rhs.mTexCoord[0]-mTexCoord[0]) < epsilon && + abs(rhs.mTexCoord[1]-mTexCoord[1]) < epsilon) { if (angle_cutoff > 1.f) { - retval = (mData[NORMAL].equals3(rhs.mData[NORMAL])); + retval = (mData[NORMAL].equals3(rhs.mData[NORMAL], epsilon)); } else { @@ -2499,38 +2504,52 @@ bool LLVolume::unpackVolumeFaces(std::istream& is, S32 size) } { - U16* n = (U16*) &(norm[0]); - for (U32 j = 0; j < num_verts; ++j) + if (!norm.empty()) + { + U16* n = (U16*) &(norm[0]); + for (U32 j = 0; j < num_verts; ++j) + { + norm_out->set((F32) n[0], (F32) n[1], (F32) n[2]); + norm_out->div(65535.f); + norm_out->mul(2.f); + norm_out->sub(1.f); + norm_out++; + n += 3; + } + } + else { - norm_out->set((F32) n[0], (F32) n[1], (F32) n[2]); - norm_out->div(65535.f); - norm_out->mul(2.f); - norm_out->sub(1.f); - norm_out++; - n += 3; + memset(norm_out, 0, sizeof(LLVector4a)*num_verts); } } { - U16* t = (U16*) &(tc[0]); - for (U32 j = 0; j < num_verts; j+=2) + if (!tc.empty()) { - if (j < num_verts-1) - { - tc_out->set((F32) t[0], (F32) t[1], (F32) t[2], (F32) t[3]); - } - else + U16* t = (U16*) &(tc[0]); + for (U32 j = 0; j < num_verts; j+=2) { - tc_out->set((F32) t[0], (F32) t[1], 0.f, 0.f); - } + if (j < num_verts-1) + { + tc_out->set((F32) t[0], (F32) t[1], (F32) t[2], (F32) t[3]); + } + else + { + tc_out->set((F32) t[0], (F32) t[1], 0.f, 0.f); + } - t += 4; + t += 4; - tc_out->div(65535.f); - tc_out->mul(tc_range); - tc_out->add(min_tc4); + tc_out->div(65535.f); + tc_out->mul(tc_range); + tc_out->add(min_tc4); - tc_out++; + tc_out++; + } + } + else + { + memset(tc_out, 0, sizeof(LLVector2)*num_verts); } } @@ -2656,6 +2675,25 @@ bool LLVolume::unpackVolumeFaces(std::istream& is, S32 size) min.setMin(min, face.mPositions[i]); max.setMax(max, face.mPositions[i]); } + + if (face.mTexCoords) + { + LLVector2& min_tc = face.mTexCoordExtents[0]; + LLVector2& max_tc = face.mTexCoordExtents[1]; + + min_tc = face.mTexCoords[0]; + max_tc = face.mTexCoords[0]; + + for (U32 j = 1; j < face.mNumVertices; ++j) + { + update_min_max(min_tc, max_tc, face.mTexCoords[j]); + } + } + else + { + face.mTexCoordExtents[0].set(0,0); + face.mTexCoordExtents[1].set(1,1); + } } } } @@ -5696,8 +5734,23 @@ BOOL LLVolumeFace::create(LLVolume* volume, BOOL partial_build) void LLVolumeFace::getVertexData(U16 index, LLVolumeFace::VertexData& cv) { cv.setPosition(mPositions[index]); - cv.setNormal(mNormals[index]); - cv.mTexCoord = mTexCoords[index]; + if (mNormals) + { + cv.setNormal(mNormals[index]); + } + else + { + cv.getNormal().clear(); + } + + if (mTexCoords) + { + cv.mTexCoord = mTexCoords[index]; + } + else + { + cv.mTexCoord.clear(); + } } bool LLVolumeFace::VertexMapData::operator==(const LLVolumeFace::VertexData& rhs) const @@ -5727,7 +5780,10 @@ void LLVolumeFace::optimize(F32 angle_cutoff) LLVolumeFace new_face; //map of points to vector of vertices at that point - VertexMapData::PointMap point_map; + std::map > point_map; + + LLVector4a range; + range.setSub(mExtents[1],mExtents[0]); //remove redundant vertices for (U32 i = 0; i < mNumIndices; ++i) @@ -5738,7 +5794,19 @@ void LLVolumeFace::optimize(F32 angle_cutoff) getVertexData(index, cv); BOOL found = FALSE; - VertexMapData::PointMap::iterator point_iter = point_map.find(LLVector3(cv.getPosition().getF32ptr())); + + LLVector4a pos; + pos.setSub(mPositions[index], mExtents[0]); + pos.div(range); + + U64 pos64 = 0; + + pos64 = (U16) (pos[0]*65535); + pos64 = pos64 | (((U64) (pos[1]*65535)) << 16); + pos64 = pos64 | (((U64) (pos[2]*65535)) << 32); + + std::map >::iterator point_iter = point_map.find(pos64); + if (point_iter != point_map.end()) { //duplicate point might exist for (U32 j = 0; j < point_iter->second.size(); ++j) @@ -5770,11 +5838,26 @@ void LLVolumeFace::optimize(F32 angle_cutoff) } else { - point_map[LLVector3(d.getPosition().getF32ptr())].push_back(d); + point_map[pos64].push_back(d); } } } + llassert(new_face.mNumIndices == mNumIndices); + llassert(new_face.mNumVertices <= mNumVertices); + + if (angle_cutoff > 1.f && !mNormals) + { + ll_aligned_free_16(new_face.mNormals); + new_face.mNormals = NULL; + } + + if (!mTexCoords) + { + ll_aligned_free_16(new_face.mTexCoords); + new_face.mTexCoords = NULL; + } + swapData(new_face); } -- cgit v1.2.3 From 7201d55396be92b18074ac926698688f9067f222 Mon Sep 17 00:00:00 2001 From: "Nyx (Neal Orman)" Date: Mon, 20 Jun 2011 17:18:43 -0400 Subject: BUILDFIX: linux build broken - abs() used instead of fabs() linux caught the fact that we're using an integer absolute value function when we should be using a floating-point version. --- indra/llmath/llvolume.cpp | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'indra/llmath/llvolume.cpp') diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp index 7c7c4306da..d401ce7de7 100644 --- a/indra/llmath/llvolume.cpp +++ b/indra/llmath/llvolume.cpp @@ -32,6 +32,7 @@ #if !LL_WINDOWS #include #endif +#include #include "llerror.h" #include "llmemtype.h" @@ -2383,8 +2384,8 @@ bool LLVolumeFace::VertexData::compareNormal(const LLVolumeFace::VertexData& rhs const F32 epsilon = 0.00001f; if (rhs.mData[POSITION].equals3(mData[POSITION], epsilon) && - abs(rhs.mTexCoord[0]-mTexCoord[0]) < epsilon && - abs(rhs.mTexCoord[1]-mTexCoord[1]) < epsilon) + fabs(rhs.mTexCoord[0]-mTexCoord[0]) < epsilon && + fabs(rhs.mTexCoord[1]-mTexCoord[1]) < epsilon) { if (angle_cutoff > 1.f) { -- cgit v1.2.3 From f83b08b69c84d6df9cebb79167804cd295555481 Mon Sep 17 00:00:00 2001 From: Xiaohong Bao Date: Fri, 24 Jun 2011 15:09:10 -0600 Subject: fix for SH-1878: Viewer hang in GLOD_Group::adaptTriangleBudget during LLModelPreview::genLODs; SH-1891: viewer crashes while previewing "RYOMA 3D XML File.dae"; SH-1890: Crash loading palm tree --- indra/llmath/llvolume.cpp | 58 +++++++++++++++++++++++++++++++---------------- 1 file changed, 39 insertions(+), 19 deletions(-) (limited to 'indra/llmath/llvolume.cpp') diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp index d401ce7de7..bddb8d8c66 100644 --- a/indra/llmath/llvolume.cpp +++ b/indra/llmath/llvolume.cpp @@ -2774,11 +2774,13 @@ void LLVolume::makeTetrahedron() n[2] = cv[2].getNormal(); n += 3; - tc[0] = cv[0].mTexCoord; - tc[1] = cv[1].mTexCoord; - tc[2] = cv[2].mTexCoord; - tc += 3; - + if(tc) + { + tc[0] = cv[0].mTexCoord; + tc[1] = cv[1].mTexCoord; + tc[2] = cv[2].mTexCoord; + tc += 3; + } //side 2 cv[0].setPosition(p[3]); @@ -2797,11 +2799,14 @@ void LLVolume::makeTetrahedron() n[2] = cv[2].getNormal(); n += 3; - tc[0] = cv[0].mTexCoord; - tc[1] = cv[1].mTexCoord; - tc[2] = cv[2].mTexCoord; - tc += 3; - + if(tc) + { + tc[0] = cv[0].mTexCoord; + tc[1] = cv[1].mTexCoord; + tc[2] = cv[2].mTexCoord; + tc += 3; + } + //side 3 cv[0].setPosition(p[3]); cv[1].setPosition(p[1]); @@ -2819,10 +2824,13 @@ void LLVolume::makeTetrahedron() n[2] = cv[2].getNormal(); n += 3; - tc[0] = cv[0].mTexCoord; - tc[1] = cv[1].mTexCoord; - tc[2] = cv[2].mTexCoord; - tc += 3; + if(tc) + { + tc[0] = cv[0].mTexCoord; + tc[1] = cv[1].mTexCoord; + tc[2] = cv[2].mTexCoord; + tc += 3; + } //side 4 cv[0].setPosition(p[2]); @@ -2841,10 +2849,13 @@ void LLVolume::makeTetrahedron() n[2] = cv[2].getNormal(); n += 3; - tc[0] = cv[0].mTexCoord; - tc[1] = cv[1].mTexCoord; - tc[2] = cv[2].mTexCoord; - tc += 3; + if(tc) + { + tc[0] = cv[0].mTexCoord; + tc[1] = cv[1].mTexCoord; + tc[2] = cv[2].mTexCoord; + tc += 3; + } //set index buffer for (U16 i = 0; i < 12; i++) @@ -5613,7 +5624,16 @@ LLVolumeFace& LLVolumeFace::operator=(const LLVolumeFace& src) LLVector4a::memcpyNonAliased16((F32*) mPositions, (F32*) src.mPositions, vert_size); LLVector4a::memcpyNonAliased16((F32*) mNormals, (F32*) src.mNormals, vert_size); - LLVector4a::memcpyNonAliased16((F32*) mTexCoords, (F32*) src.mTexCoords, tc_size); + + if(src.mTexCoords) + { + LLVector4a::memcpyNonAliased16((F32*) mTexCoords, (F32*) src.mTexCoords, tc_size); + } + else + { + ll_aligned_free_16(mTexCoords) ; + mTexCoords = NULL ; + } if (src.mBinormals) -- cgit v1.2.3 From 5c0df02df5abdadbf17235ae5d7208963c25f1ce Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Mon, 15 Aug 2011 12:18:06 -0500 Subject: SH-2147 Clarify and quiet log spam on mesh LoD unzip failure. --- indra/llmath/llvolume.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'indra/llmath/llvolume.cpp') diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp index 2893e746e9..a0338294c1 100755 --- a/indra/llmath/llvolume.cpp +++ b/indra/llmath/llvolume.cpp @@ -2408,7 +2408,7 @@ bool LLVolume::unpackVolumeFaces(std::istream& is, S32 size) LLSD mdl; if (!unzip_llsd(mdl, is, size)) { - llwarns << "not a valid mesh asset!" << llendl; + LL_DEBUGS("MeshStreaming") << "Failed to unzip LLSD blob for LoD, will probably fetch from sim again." << llendl; return false; } -- cgit v1.2.3 From f7d17cad5cc3784abb0dea4fb5bec967cbc1f81b Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Wed, 17 Aug 2011 12:55:32 -0500 Subject: SH-2188 Fix for generally bad vertex buffer updates for rigged attachments and fix for viewer always thinking meshes initially have 8 texture entries. --- indra/llmath/llvolume.cpp | 173 ++-------------------------------------------- 1 file changed, 7 insertions(+), 166 deletions(-) (limited to 'indra/llmath/llvolume.cpp') diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp index a0338294c1..b2fe9ba6c2 100755 --- a/indra/llmath/llvolume.cpp +++ b/indra/llmath/llvolume.cpp @@ -2078,7 +2078,7 @@ LLVolume::LLVolume(const LLVolumeParams ¶ms, const F32 detail, const BOOL ge mFaceMask = 0x0; mDetail = detail; mSculptLevel = -2; - mIsTetrahedron = FALSE; + mIsMeshAssetLoaded = FALSE; mLODScaleBias.setVec(1,1,1); mHullPoints = NULL; mHullIndices = NULL; @@ -2100,7 +2100,7 @@ LLVolume::LLVolume(const LLVolumeParams ¶ms, const F32 detail, const BOOL ge generate(); - if (mParams.getSculptID().isNull() && mParams.getSculptType() == LL_SCULPT_TYPE_NONE) + if (mParams.getSculptID().isNull() && mParams.getSculptType() == LL_SCULPT_TYPE_NONE || mParams.getSculptType() == LL_SCULPT_TYPE_MESH) { createVolumeFaces(); } @@ -2706,173 +2706,21 @@ bool LLVolume::unpackVolumeFaces(std::istream& is, S32 size) return true; } -void tetrahedron_set_normal(LLVolumeFace::VertexData* cv) -{ - LLVector4a v0; - v0.setSub(cv[1].getPosition(), cv[0].getNormal()); - LLVector4a v1; - v1.setSub(cv[2].getNormal(), cv[0].getPosition()); - - cv[0].getNormal().setCross3(v0,v1); - cv[0].getNormal().normalize3fast(); - cv[1].setNormal(cv[0].getNormal()); - cv[2].setNormal(cv[1].getNormal()); -} -BOOL LLVolume::isTetrahedron() +BOOL LLVolume::isMeshAssetLoaded() { - return mIsTetrahedron; + return mIsMeshAssetLoaded; } -void LLVolume::makeTetrahedron() +void LLVolume::setMeshAssetLoaded(BOOL loaded) { - mVolumeFaces.clear(); - - LLVolumeFace face; - - F32 x = 0.25f; - LLVector4a p[] = - { //unit tetrahedron corners - LLVector4a(x,x,x), - LLVector4a(-x,-x,x), - LLVector4a(-x,x,-x), - LLVector4a(x,-x,-x) - }; - - face.mExtents[0].splat(-x); - face.mExtents[1].splat(x); - - LLVolumeFace::VertexData cv[3]; - - //set texture coordinates - cv[0].mTexCoord = LLVector2(0,0); - cv[1].mTexCoord = LLVector2(1,0); - cv[2].mTexCoord = LLVector2(0.5f, 0.5f*F_SQRT3); - - - //side 1 - cv[0].setPosition(p[1]); - cv[1].setPosition(p[0]); - cv[2].setPosition(p[2]); - - tetrahedron_set_normal(cv); - - face.resizeVertices(12); - face.resizeIndices(12); - - LLVector4a* v = (LLVector4a*) face.mPositions; - LLVector4a* n = (LLVector4a*) face.mNormals; - LLVector2* tc = (LLVector2*) face.mTexCoords; - - v[0] = cv[0].getPosition(); - v[1] = cv[1].getPosition(); - v[2] = cv[2].getPosition(); - v += 3; - - n[0] = cv[0].getNormal(); - n[1] = cv[1].getNormal(); - n[2] = cv[2].getNormal(); - n += 3; - - if(tc) - { - tc[0] = cv[0].mTexCoord; - tc[1] = cv[1].mTexCoord; - tc[2] = cv[2].mTexCoord; - tc += 3; - } - - //side 2 - cv[0].setPosition(p[3]); - cv[1].setPosition(p[0]); - cv[2].setPosition(p[1]); - - tetrahedron_set_normal(cv); - - v[0] = cv[0].getPosition(); - v[1] = cv[1].getPosition(); - v[2] = cv[2].getPosition(); - v += 3; - - n[0] = cv[0].getNormal(); - n[1] = cv[1].getNormal(); - n[2] = cv[2].getNormal(); - n += 3; - - if(tc) - { - tc[0] = cv[0].mTexCoord; - tc[1] = cv[1].mTexCoord; - tc[2] = cv[2].mTexCoord; - tc += 3; - } - - //side 3 - cv[0].setPosition(p[3]); - cv[1].setPosition(p[1]); - cv[2].setPosition(p[2]); - - tetrahedron_set_normal(cv); - - v[0] = cv[0].getPosition(); - v[1] = cv[1].getPosition(); - v[2] = cv[2].getPosition(); - v += 3; - - n[0] = cv[0].getNormal(); - n[1] = cv[1].getNormal(); - n[2] = cv[2].getNormal(); - n += 3; - - if(tc) - { - tc[0] = cv[0].mTexCoord; - tc[1] = cv[1].mTexCoord; - tc[2] = cv[2].mTexCoord; - tc += 3; - } - - //side 4 - cv[0].setPosition(p[2]); - cv[1].setPosition(p[0]); - cv[2].setPosition(p[3]); - - tetrahedron_set_normal(cv); - - v[0] = cv[0].getPosition(); - v[1] = cv[1].getPosition(); - v[2] = cv[2].getPosition(); - v += 3; - - n[0] = cv[0].getNormal(); - n[1] = cv[1].getNormal(); - n[2] = cv[2].getNormal(); - n += 3; - - if(tc) - { - tc[0] = cv[0].mTexCoord; - tc[1] = cv[1].mTexCoord; - tc[2] = cv[2].mTexCoord; - tc += 3; - } - - //set index buffer - for (U16 i = 0; i < 12; i++) - { - face.mIndices[i] = i; - } - - mVolumeFaces.push_back(face); - mSculptLevel = 0; - mIsTetrahedron = TRUE; + mIsMeshAssetLoaded = loaded; } void LLVolume::copyVolumeFaces(const LLVolume* volume) { mVolumeFaces = volume->mVolumeFaces; mSculptLevel = 0; - mIsTetrahedron = FALSE; } void LLVolume::cacheOptimize() @@ -2886,13 +2734,6 @@ void LLVolume::cacheOptimize() S32 LLVolume::getNumFaces() const { - U8 sculpt_type = (mParams.getSculptType() & LL_SCULPT_TYPE_MASK); - - if (sculpt_type == LL_SCULPT_TYPE_MESH) - { - return LL_SCULPT_MESH_MAX_FACES; - } - return (S32)mProfilep->mFaces.size(); } @@ -7269,7 +7110,7 @@ BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build) resizeVertices(num_vertices); resizeIndices(num_indices); - if ((volume->getParams().getSculptType() & LL_SCULPT_TYPE_MASK) != LL_SCULPT_TYPE_MESH) + if (!volume->isMeshAssetLoaded()) { mEdge.resize(num_indices); } -- cgit v1.2.3 From 8cef480b96dc779c5879f74224fb0a185ee550f2 Mon Sep 17 00:00:00 2001 From: Xiaohong Bao Date: Mon, 29 Aug 2011 18:15:38 -0600 Subject: fix for SH-2311: crash at LLVOVolume::lineSegmentIntersect line 3435 and SH-2358: Crash in LLError::crashAndLoop: Invalid face index --- indra/llmath/llvolume.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'indra/llmath/llvolume.cpp') diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp index b2fe9ba6c2..1a95f9cd46 100755 --- a/indra/llmath/llvolume.cpp +++ b/indra/llmath/llvolume.cpp @@ -2734,7 +2734,7 @@ void LLVolume::cacheOptimize() S32 LLVolume::getNumFaces() const { - return (S32)mProfilep->mFaces.size(); + return mIsMeshAssetLoaded ? getNumVolumeFaces() : (S32)mProfilep->mFaces.size(); } -- cgit v1.2.3 From 76bd8cee1120ac531d56b9897b135e9c1af1bb16 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Thu, 10 Nov 2011 14:48:48 -0600 Subject: SH-2644 Fix debug display that shows selection triangle count and streaming cost --- indra/llmath/llvolume.cpp | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) (limited to 'indra/llmath/llvolume.cpp') diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp index 1a95f9cd46..da0fa32963 100644 --- a/indra/llmath/llvolume.cpp +++ b/indra/llmath/llvolume.cpp @@ -4305,15 +4305,25 @@ S32 LLVolume::getNumTriangleIndices() const } -S32 LLVolume::getNumTriangles() const +S32 LLVolume::getNumTriangles(S32* vcount) const { U32 triangle_count = 0; + U32 vertex_count = 0; for (S32 i = 0; i < getNumVolumeFaces(); ++i) { - triangle_count += getVolumeFace(i).mNumIndices/3; + const LLVolumeFace& face = getVolumeFace(i); + triangle_count += face.mNumIndices/3; + + vertex_count += face.mNumVertices; } + + if (vcount) + { + *vcount = vertex_count; + } + return triangle_count; } -- cgit v1.2.3 From c0b4ec6fe72d703191b28749cfd30262d131b245 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Fri, 16 Dec 2011 17:43:30 -0600 Subject: SH-2694 Fix for FPS drop when mousing over flexi objects (don't use an octree for flexi raycast) --- indra/llmath/llvolume.cpp | 85 +++++++++++++++++++++++++++++++++++++++++------ 1 file changed, 75 insertions(+), 10 deletions(-) (limited to 'indra/llmath/llvolume.cpp') diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp index da0fa32963..0c6cf1dfae 100644 --- a/indra/llmath/llvolume.cpp +++ b/indra/llmath/llvolume.cpp @@ -4617,18 +4617,83 @@ S32 LLVolume::lineSegmentIntersect(const LLVector4a& start, const LLVector4a& en genBinormals(i); } - if (!face.mOctree) - { - face.createOctree(); - } - - //LLVector4a* p = (LLVector4a*) face.mPositions; + if (isUnique()) + { //don't bother with an octree for flexi volumes + U32 tri_count = face.mNumIndices/3; + + for (U32 j = 0; j < tri_count; ++j) + { + U16 idx0 = face.mIndices[j*3+0]; + U16 idx1 = face.mIndices[j*3+1]; + U16 idx2 = face.mIndices[j*3+2]; - LLOctreeTriangleRayIntersect intersect(start, dir, &face, &closest_t, intersection, tex_coord, normal, bi_normal); - intersect.traverse(face.mOctree); - if (intersect.mHitFace) + const LLVector4a& v0 = face.mPositions[idx0]; + const LLVector4a& v1 = face.mPositions[idx1]; + const LLVector4a& v2 = face.mPositions[idx2]; + + F32 a,b,t; + + if (LLTriangleRayIntersect(v0, v1, v2, + start, dir, a, b, t)) + { + if ((t >= 0.f) && // if hit is after start + (t <= 1.f) && // and before end + (t < closest_t)) // and this hit is closer + { + closest_t = t; + hit_face = i; + + if (intersection != NULL) + { + LLVector4a intersect = dir; + intersect.mul(closest_t); + intersect.add(start); + intersection->set(intersect.getF32ptr()); + } + + + if (tex_coord != NULL) + { + LLVector2* tc = (LLVector2*) face.mTexCoords; + *tex_coord = ((1.f - a - b) * tc[idx0] + + a * tc[idx1] + + b * tc[idx2]); + + } + + if (normal!= NULL) + { + LLVector4* norm = (LLVector4*) face.mNormals; + + *normal = ((1.f - a - b) * LLVector3(norm[idx0]) + + a * LLVector3(norm[idx1]) + + b * LLVector3(norm[idx2])); + } + + if (bi_normal != NULL) + { + LLVector4* binormal = (LLVector4*) face.mBinormals; + *bi_normal = ((1.f - a - b) * LLVector3(binormal[idx0]) + + a * LLVector3(binormal[idx1]) + + b * LLVector3(binormal[idx2])); + } + } + } + } + } + else { - hit_face = i; + if (!face.mOctree) + { + face.createOctree(); + } + + LLOctreeTriangleRayIntersect intersect(start, dir, &face, &closest_t, intersection, tex_coord, normal, bi_normal); + intersect.traverse(face.mOctree); + if (intersect.mHitFace) + { + hit_face = i; + } } } } -- cgit v1.2.3 From 18e7f1bffd875bb933212367f0d62dfc4da871b9 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Fri, 20 Jan 2012 16:42:57 -0600 Subject: SH-2889 Add visual auto-muting controls --- indra/llmath/llvolume.cpp | 3 +++ 1 file changed, 3 insertions(+) (limited to 'indra/llmath/llvolume.cpp') diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp index 0c6cf1dfae..761fc171c4 100644 --- a/indra/llmath/llvolume.cpp +++ b/indra/llmath/llvolume.cpp @@ -2078,6 +2078,7 @@ LLVolume::LLVolume(const LLVolumeParams ¶ms, const F32 detail, const BOOL ge mFaceMask = 0x0; mDetail = detail; mSculptLevel = -2; + mSurfaceArea = 1.f; //only calculated for sculpts, defaults to 1 for all other prims mIsMeshAssetLoaded = FALSE; mLODScaleBias.setVec(1,1,1); mHullPoints = NULL; @@ -3144,6 +3145,8 @@ void LLVolume::sculpt(U16 sculpt_width, U16 sculpt_height, S8 sculpt_components, { F32 area = sculptGetSurfaceArea(); + mSurfaceArea = area; + const F32 SCULPT_MAX_AREA = 384.f; if (area < SCULPT_MIN_AREA || area > SCULPT_MAX_AREA) -- cgit v1.2.3