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MD5: Fix face index allocation in MD5Parser (#6380)

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- Ensure face indices are properly allocated and resized.
- closes https://github.com/assimp/assimp/issues/6379
This commit is contained in:
Kim Kulling
2025-10-24 10:15:01 +02:00
committed by GitHub
parent 5f7c06a71e
commit e778c84cd6
1 changed files with 6 additions and 2 deletions
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8
code/AssetLib/MD5/MD5Parser.cpp
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@@ -393,11 +393,15 @@ MD5MeshParser::MD5MeshParser(SectionArray &mSections) {
else if (TokenMatch(sz, "tri", 3)) {
AI_MD5_SKIP_SPACES(&sz, elem.end, elem.iLineNumber);
const unsigned int idx = strtoul10(sz, &sz);
if (idx >= desc.mFaces.size())
if (idx >= desc.mFaces.size()) {
desc.mFaces.resize(idx + 1);
}
aiFace &face = desc.mFaces[idx];
face.mIndices = new unsigned int[face.mNumIndices = 3];
if (face.mNumIndices != 3) {
delete [] face.mIndices;
face.mIndices = new unsigned int[face.mNumIndices = 3];
}
for (unsigned int i = 0; i < 3; ++i) {
AI_MD5_SKIP_SPACES(&sz, elem.end, elem.iLineNumber);
face.mIndices[i] = strtoul10(sz, &sz);