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Unreal Engine C++ API Reference > Runtime > Engine > Engine > USkeletalMesh
References
| Module | Engine |
| Header | /Engine/Source/Runtime/Engine/Classes/Engine/SkeletalMesh.h |
| Include | #include "Engine/SkeletalMesh.h" |
| Source | /Engine/Source/Runtime/Engine/Private/SkeletalMesh.cpp |
void InvalidateDeriveDataCacheGUID&40;&41;
Remarks
Force the creation of a new GUID use to build the derive data cache key. Next time a build happen the whole skeletal mesh will be rebuild. Use this when you change stuff not in the skeletal mesh ddc key, like the geometry (import, re-import) Every big data should not be in the ddc key and should use this function, because its slow to create a key with big data.