103 lines
3.5 KiB
Ucode
103 lines
3.5 KiB
Ucode
|
/**
|
||
|
|
* Copyright 1998-2013 Epic Games, Inc. All Rights Reserved.
|
||
|
|
*/
|
||
|
|
class MaterialExpressionFunctionInput extends MaterialExpression
|
||
|
|
native(Material)
|
||
|
|
hidecategories(object);
|
||
|
|
|
||
|
|
/** Used for previewing when editing the function, also temporarily used to connect to the outside material when compiling that material. */
|
||
|
|
var ExpressionInput Preview;
|
||
|
|
|
||
|
|
/** The input's name, which will be drawn on the connector in function call expressions that use this function. */
|
||
|
|
var() string InputName;
|
||
|
|
|
||
|
|
/** The input's description, which will be used as a tooltip on the connector in function call expressions that use this function. */
|
||
|
|
var() string Description;
|
||
|
|
|
||
|
|
/** Id of this input, used to maintain references through name changes. */
|
||
|
|
var const guid Id;
|
||
|
|
|
||
|
|
/** Supported input types */
|
||
|
|
enum EFunctionInputType
|
||
|
|
{
|
||
|
|
FunctionInput_Scalar,
|
||
|
|
FunctionInput_Vector2,
|
||
|
|
FunctionInput_Vector3,
|
||
|
|
FunctionInput_Vector4,
|
||
|
|
FunctionInput_Texture2D,
|
||
|
|
FunctionInput_TextureCube,
|
||
|
|
FunctionInput_StaticBool
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Type of this input.
|
||
|
|
* Input code chunks will be cast to this type, and a compiler error will be emitted if the cast fails.
|
||
|
|
*/
|
||
|
|
var() EFunctionInputType InputType;
|
||
|
|
|
||
|
|
/** Value used to preview this input when editing the material function. */
|
||
|
|
var() vector4 PreviewValue;
|
||
|
|
|
||
|
|
/** Whether to use the preview value or texture as the default value for this input. */
|
||
|
|
var() bool bUsePreviewValueAsDefault;
|
||
|
|
|
||
|
|
/** Controls where the input is displayed relative to the other inputs. */
|
||
|
|
var() int SortPriority;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* TRUE when this expression is being compiled in a function preview,
|
||
|
|
* FALSE when this expression is being compiled into a material that uses the function.
|
||
|
|
* Only valid in Compile()
|
||
|
|
*/
|
||
|
|
var transient bool bCompilingFunctionPreview;
|
||
|
|
|
||
|
|
cpptext
|
||
|
|
{
|
||
|
|
// UObject interface
|
||
|
|
virtual void PostLoad();
|
||
|
|
virtual void PostDuplicate();
|
||
|
|
virtual void PostEditImport();
|
||
|
|
virtual void PreEditChange(UProperty* PropertyAboutToChange);
|
||
|
|
virtual void PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent);
|
||
|
|
virtual UBOOL CanEditChange( const UProperty* InProperty ) const;
|
||
|
|
|
||
|
|
// UMaterialExpression interface
|
||
|
|
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 );
|
||
|
|
virtual void GetExpressionToolTip(TArray<FString>& OutToolTip);
|
||
|
|
virtual INT Compile(FMaterialCompiler* Compiler, INT OutputIndex);
|
||
|
|
virtual INT CompilePreview(FMaterialCompiler* Compiler, INT OutputIndex);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Replaces references to the passed in expression with references to a different expression or NULL.
|
||
|
|
* @param OldExpression Expression to find reference to.
|
||
|
|
* @param NewExpression Expression to replace reference with.
|
||
|
|
*/
|
||
|
|
virtual void SwapReferenceTo(UMaterialExpression* OldExpression,UMaterialExpression* NewExpression = NULL);
|
||
|
|
|
||
|
|
/** Generates the Id for this input. */
|
||
|
|
void ConditionallyGenerateId(UBOOL bForce);
|
||
|
|
|
||
|
|
/** Validates InputName. Must be called after InputName is changed to prevent duplicate inputs. */
|
||
|
|
void ValidateName();
|
||
|
|
|
||
|
|
private:
|
||
|
|
|
||
|
|
/** Helper function which compiles this expression for previewing. */
|
||
|
|
INT CompilePreviewValue(FMaterialCompiler* Compiler);
|
||
|
|
};
|
||
|
|
|
||
|
|
defaultproperties
|
||
|
|
{
|
||
|
|
bCompilingFunctionPreview=True
|
||
|
|
InputType=FunctionInput_Vector3
|
||
|
|
InputName="In"
|
||
|
|
MenuCategories(0)="Functions"
|
||
|
|
BorderColor=(R=185,G=255,B=172)
|
||
|
|
}
|