diff options
author | Cosmic Linden <cosmic@lindenlab.com> | 2022-07-26 10:36:58 -0700 |
---|---|---|
committer | Cosmic Linden <cosmic@lindenlab.com> | 2022-07-26 10:40:19 -0700 |
commit | cdff7169083f054818bd54f43d602dc229a067c4 (patch) | |
tree | 81ca83db05b6d1b237791823fdac6588b54fb940 /indra/llmath/llvolume.cpp | |
parent | f1128da8da714b9d036fe1dbc66cf46ccf7747a5 (diff) |
SL-17801: Don't let external code delete the raw pointer to the picking octree
Diffstat (limited to 'indra/llmath/llvolume.cpp')
-rw-r--r-- | indra/llmath/llvolume.cpp | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp index 67c351ddd7..5de1fe5a8d 100644 --- a/indra/llmath/llvolume.cpp +++ b/indra/llmath/llvolume.cpp @@ -4146,13 +4146,13 @@ S32 LLVolume::lineSegmentIntersect(const LLVector4a& start, const LLVector4a& en } else { - if (!face.mOctree) + if (!face.getOctree()) { face.createOctree(); } LLOctreeTriangleRayIntersect intersect(start, dir, &face, &closest_t, intersection, tex_coord, normal, tangent_out); - intersect.traverse(face.mOctree); + intersect.traverse(face.getOctree()); if (intersect.mHitFace) { hit_face = i; @@ -4879,10 +4879,7 @@ void LLVolumeFace::freeData() mJustWeights = NULL; #endif - delete mOctree; - mOctree = NULL; - delete[] mOctreeTriangles; - mOctreeTriangles = NULL; + destroyOctree(); } BOOL LLVolumeFace::create(LLVolume* volume, BOOL partial_build) @@ -4890,10 +4887,7 @@ BOOL LLVolumeFace::create(LLVolume* volume, BOOL partial_build) LL_PROFILE_ZONE_SCOPED_CATEGORY_VOLUME //tree for this face is no longer valid - delete mOctree; - mOctree = NULL; - delete[] mOctreeTriangles; - mOctreeTriangles = NULL; + destroyOctree(); LL_CHECK_MEMORY BOOL ret = FALSE ; @@ -5562,7 +5556,7 @@ void LLVolumeFace::createOctree(F32 scaler, const LLVector4a& center, const LLVe { LL_PROFILE_ZONE_SCOPED_CATEGORY_VOLUME - if (mOctree) + if (getOctree()) { return; } @@ -5573,7 +5567,6 @@ void LLVolumeFace::createOctree(F32 scaler, const LLVector4a& center, const LLVe new LLVolumeOctreeListener(mOctree); const U32 num_triangles = mNumIndices / 3; // Initialize all the triangles we need - delete[] mOctreeTriangles; // External code may delete mOctree mOctreeTriangles = new LLVolumeTriangle[num_triangles]; for (U32 triangle_index = 0; triangle_index < num_triangles; ++triangle_index) @@ -5636,6 +5629,19 @@ void LLVolumeFace::createOctree(F32 scaler, const LLVector4a& center, const LLVe } } +void LLVolumeFace::destroyOctree() +{ + delete mOctree; + mOctree = NULL; + delete[] mOctreeTriangles; + mOctreeTriangles = NULL; +} + +const LLOctreeNode<LLVolumeTriangle, LLVolumeTriangle*>* LLVolumeFace::getOctree() const +{ + return mOctree; +} + void LLVolumeFace::swapData(LLVolumeFace& rhs) { |