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Exclude inactive triangles from subdivide

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This commit is contained in:
Magnus Norddahl 2024-12-12 20:18:27 +01:00
commit 1004d6ae20
1 changed files with 11 additions and 4 deletions
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15
src/common/rendering/hwrenderer/data/hw_collision.cpp
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@ -361,16 +361,23 @@ CPUBottomLevelAccelStruct::CPUBottomLevelAccelStruct(const FFlatVertex *vertices
scratch.leafs.reserve(num_triangles);
scratch.centroids.clear();
scratch.centroids.reserve(num_triangles);
int active_triangles = 0;
for (int i = 0; i < num_triangles; i++)
{
scratch.leafs.push_back(i);
int element_index = i * 3;
FVector3 centroid = (vertices[elements[element_index + 0]].fPos() + vertices[elements[element_index + 1]].fPos() + vertices[elements[element_index + 2]].fPos()) * (1.0f / 3.0f);
int a = elements[element_index + 0];
int b = elements[element_index + 1];
int c = elements[element_index + 2];
if (a == b)
continue;
FVector3 centroid = (vertices[a].fPos() + vertices[b].fPos() + vertices[c].fPos()) * (1.0f / 3.0f);
scratch.leafs.push_back(i);
scratch.centroids.push_back(FVector4(centroid, 1.0f));
active_triangles++;
}
size_t neededbuffersize = num_triangles * 2;
size_t neededbuffersize = active_triangles * 2;
if (scratch.workbuffer.size() < neededbuffersize)
scratch.workbuffer.resize(neededbuffersize);