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API > API/Runtime > API/Runtime/Engine > API/Runtime/Engine/Materials
References
| Module | Engine |
| Header | /Engine/Source/Runtime/Engine/Public/Materials/MaterialDependencyWalker.h |
| Include | #include "Materials/MaterialDependencyWalker.h" |
| Source | /Engine/Source/Runtime/Engine/Private/Materials/MaterialDependencyWalker.cpp |
int32 WalkMaterialDependencyGraph
(
const UMaterialExpression * Expression,
int32 MaxDepth,
uint32 SearchFlags,
FMaterialDependencySearchMetadata & OutMetaData
)
Remarks
Walks the dependency graph (i.e. all expression inputs) of the specified material expression. Returns the maxmium depth the search went or INDEX_NONE if the limit has reached before finding anything.
Parameters
| Name | Description |
|---|---|
| SearchFlags | can be a bitwise OR combination of EMaterialDependencySearchFlags. |