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API > API/Plugins > API/Plugins/TextureGraph > API/Plugins/TextureGraph/Expressions > API/Plugins/TextureGraph/Expressions/Utilities
Inheritance Hierarchy
- UObjectBase
- UObjectBaseUtility
- UObject
- UTG_Expression
- UTG_Expression_MaterialID
References
| Module | TextureGraph |
| Header | /Engine/Plugins/Experimental/TextureGraph/Source/TextureGraph/Public/Expressions/Utilities/TG_Expression_MaterialID.h |
| Include | #include "Expressions/Utilities/TG_Expression_MaterialID.h" |
Syntax
UCLASS ()
class UTG_Expression_MaterialID : public UTG_Expression
Variables
| Type | Name | Description | |
|---|---|---|---|
   |
TArray< FLinearColor > | ActiveColors | |
   |
int32 | ActiveColorsCount | |
  |
FMaterialIDCollection | MaterialIDInfoCollection | |
   |
FTG_Texture | MaterialIDMap | |
    |
TArray< FMaterialIDMaskInfo > | MaterialIDMaskInfos | List of available colors extracted from the input texture. Selected colors will be shown as white in the output texture. |
   |
FTG_Texture | Output | The output of the node, which is the loaded texture asset. |
Functions
| Type | Name | Description | |
|---|---|---|---|
 |
void | SetMaterialIdMask
(
int32 Id, |
Overridden from UTG_Expression
| Type | Name | Description | |
|---|---|---|---|
  |
void | Evaluate
(
FTG_EvaluationContext* InContext |
This is THE evaluation call to overwrite. |
   |
FName | GetCategory () |
|
   |
FTG_Name | ||
   |
FTG_SignaturePtr | GetSignature () |
|
   |
FText | ||
  |
void | Initialize () |
Initialize the expression in cascade from the node allowing it to re create transient data This is called in the PostLoad of the Graph |
Overridden from UObject
| Type | Name | Description | |
|---|---|---|---|
  |
void | PostEditChangeProperty
(
FPropertyChangedEvent& PropertyChangedEvent |
Called when a property on this object has been modified externally |