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API > API/Runtime > API/Runtime/Engine > API/Runtime/Engine/FProxyMaterialCompiler
Description
Returns the unique id of the Substrate tree path, identifying the current node we have reached. That is used as a unique identifier for each BSDF, recover their Substrate tree operator and apply some simplifications if required.
Virtual Inheritance
- FMaterialCompiler::SubstrateTreeStackGetPathUniqueId → FProxyMaterialCompiler::SubstrateTreeStackGetPathUniqueId
| Name | SubstrateTreeStackGetPathUniqueId |
| Type | function |
| Header File | /Engine/Source/Runtime/Engine/Public/MaterialCompiler.h |
| Include Path | #include "MaterialCompiler.h" |
virtual FGuid SubstrateTreeStackGetPathUniqueId()