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Description
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.
| Name | WalkMaterialDependencyGraph |
| Type | function |
| Header File | /Engine/Source/Runtime/Engine/Public/Materials/MaterialDependencyWalker.h |
| Include Path | #include "Materials/MaterialDependencyWalker.h" |
| Source | /Engine/Source/Runtime/Engine/Private/Materials/MaterialDependencyWalker.cpp |
int32 WalkMaterialDependencyGraph
(
const UMaterialExpression * Expression,
int32 MaxDepth,
uint32 SearchFlags,
FMaterialDependencySearchMetadata & OutMetaData
)
Parameters
| Name | Remarks |
|---|---|
| SearchFlags | can be a bitwise OR combination of EMaterialDependencySearchFlags. |