84 lines
2.5 KiB
Ucode
84 lines
2.5 KiB
Ucode
/**
|
|
* Copyright 1998-2013 Epic Games, Inc. All Rights Reserved.
|
|
*/
|
|
class MaterialExpressionTerrainLayerWeight extends MaterialExpression
|
|
native(Material)
|
|
collapsecategories
|
|
hidecategories(Object);
|
|
|
|
//the override that will be set when this expression is being compiled from a static permutation
|
|
var const native transient pointer InstanceOverride{const FStaticTerrainLayerWeightParameter};
|
|
|
|
var ExpressionInput Base;
|
|
var ExpressionInput Layer;
|
|
|
|
var() Name ParameterName;
|
|
var() float PreviewWeight;
|
|
|
|
/** GUID that should be unique within the material, this is used for parameter renaming. */
|
|
var const guid ExpressionGUID;
|
|
|
|
cpptext
|
|
{
|
|
virtual INT Compile(FMaterialCompiler* Compiler, INT OutputIndex);
|
|
virtual FString GetCaption() const;
|
|
|
|
/**
|
|
* MatchesSearchQuery: Check this expression to see if it matches the search query
|
|
* @param SearchQuery - User's search query (never blank)
|
|
* @return TRUE if the expression matches the search query
|
|
*/
|
|
virtual UBOOL MatchesSearchQuery( const TCHAR* SearchQuery );
|
|
|
|
/**
|
|
* Generates a GUID for this expression if one doesn't already exist.
|
|
*
|
|
* @param bForceGeneration Whether we should generate a GUID even if it is already valid.
|
|
*/
|
|
void ConditionallyGenerateGUID(UBOOL bForceGeneration=FALSE);
|
|
|
|
/** Tries to generate a GUID. */
|
|
virtual void PostLoad();
|
|
|
|
/** Tries to generate a GUID. */
|
|
virtual void PostDuplicate();
|
|
|
|
/** Tries to generate a GUID. */
|
|
virtual void PostEditImport();
|
|
|
|
#if WITH_EDITOR
|
|
/**
|
|
* Called by the CleanupMaterials function, this will clear the inputs of the expression.
|
|
* This only needs to be implemented by expressions that have bUsedByStaticParameterSet set to TRUE.
|
|
*/
|
|
virtual void ClearInputExpressions();
|
|
#endif
|
|
|
|
/**
|
|
* Called to get list of parameter names for static parameter sets
|
|
*/
|
|
void GetAllParameterNames(TArray<FName> &OutParameterNames, TArray<FGuid> &OutParameterIds);
|
|
|
|
/**
|
|
* Sets overrides in the material expression's static parameters
|
|
*
|
|
* @param Permutation The set of static parameters to override and their values
|
|
*/
|
|
virtual void SetStaticParameterOverrides(const FStaticParameterSet* Permutation);
|
|
|
|
/**
|
|
* Clears static parameter overrides so that static parameter expression defaults will be used
|
|
* for subsequent compiles.
|
|
*/
|
|
virtual void ClearStaticParameterOverrides();
|
|
}
|
|
|
|
defaultproperties
|
|
{
|
|
bIsParameterExpression=true
|
|
bUsedByStaticParameterSet=true
|
|
MenuCategories(0)="Terrain"
|
|
MenuCategories(1)="WorldPosOffset"
|
|
PreviewWeight=0
|
|
}
|