MaterialInstanceConstant.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "Misc/Guid.h"
#include "Materials/MaterialInstance.h"
 
#include "MaterialInstanceConstant.generated.h"
 
class UPhysicalMaterialMask;
 
UCLASS(hidecategories=Object, collapsecategories, BlueprintType,MinimalAPI)
class UMaterialInstanceConstant : public UMaterialInstance
{
    GENERATED_UCLASS_BODY()
 
#if WITH_EDITORONLY_DATA
    UPROPERTY()
    FGuid ParameterStateId;
#endif
 
    virtual ENGINE_API void PostLoad() override;
    virtual ENGINE_API void FinishDestroy() override;
 
#if WITH_EDITOR
    friend class UMaterialInstanceConstantFactoryNew;
    friend class UMaterialEditorInstanceConstant;
 
    virtual ENGINE_API void PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent) override;
    virtual ENGINE_API void UpdateCachedData() override final;
    virtual ENGINE_API void GetAssetRegistryTags(FAssetRegistryTagsContext Context) const override;
#endif
 
    UPROPERTY(EditAnywhere, Category = PhysicalMaterial)
    TObjectPtr<class UPhysicalMaterialMask> PhysMaterialMask;
 
    // Begin UMaterialInterface interface.
    ENGINE_API virtual UPhysicalMaterialMask* GetPhysicalMaterialMask() const override;
    // End UMaterialInterface interface.
 
    UFUNCTION(BlueprintCallable, meta=(DisplayName = "Get Scalar Parameter Value", ScriptName = "GetScalarParameterValue", Keywords = "GetFloatParameterValue"), Category="Rendering|Material")
    float K2_GetScalarParameterValue(FName ParameterName);
 
    UFUNCTION(BlueprintCallable, meta=(DisplayName = "Get Texture Parameter Value", ScriptName = "GetTextureParameterValue"), Category="Rendering|Material")
    class UTexture* K2_GetTextureParameterValue(FName ParameterName);
 
    UFUNCTION(BlueprintCallable, meta=(DisplayName = "Get Texture Collection Parameter Value", ScriptName = "GetTextureCollectionParameterValue"), Category="Rendering|Material")
    class UTextureCollection* K2_GetTextureCollectionParameterValue(FName ParameterName);
 
    UFUNCTION(BlueprintCallable, meta=(DisplayName = "Get Vector Parameter Value", ScriptName = "GetVectorParameterValue", Keywords = "GetColorParameterValue"), Category="Rendering|Material")
    FLinearColor K2_GetVectorParameterValue(FName ParameterName);
 
#if WITH_EDITOR
    UFUNCTION(BlueprintCallable, Category = "Rendering|Material")
    void SetNaniteOverrideMaterial(bool bInEnableOverride, UMaterialInterface* InOverrideMaterial);
 
    ENGINE_API void SetParentEditorOnly(class UMaterialInterface* NewParent, bool RecacheShader = true);
 
    ENGINE_API void CopyMaterialUniformParametersEditorOnly(UMaterialInterface* Source, bool bIncludeStaticParams = true);
 
    ENGINE_API void SetVectorParameterValueEditorOnly(const FMaterialParameterInfo& ParameterInfo, FLinearColor Value);
    ENGINE_API void SetScalarParameterValueEditorOnly(const FMaterialParameterInfo& ParameterInfo, float Value);
    ENGINE_API void SetScalarParameterAtlasEditorOnly(const FMaterialParameterInfo& ParameterInfo, FScalarParameterAtlasInstanceData AtlasData);
    ENGINE_API void SetTextureParameterValueEditorOnly(const FMaterialParameterInfo& ParameterInfo, class UTexture* Value);
    ENGINE_API void SetTextureCollectionParameterValueEditorOnly(const FMaterialParameterInfo& ParameterInfo, class UTextureCollection* Value);
    ENGINE_API void SetRuntimeVirtualTextureParameterValueEditorOnly(const FMaterialParameterInfo& ParameterInfo, class URuntimeVirtualTexture* Value);
    ENGINE_API void SetSparseVolumeTextureParameterValueEditorOnly(const FMaterialParameterInfo& ParameterInfo, class USparseVolumeTexture* Value);
    ENGINE_API void SetFontParameterValueEditorOnly(const FMaterialParameterInfo& ParameterInfo, class UFont* FontValue, int32 FontPage);
 
    ENGINE_API void ClearParameterValuesEditorOnly();
 
    ENGINE_API virtual uint32 ComputeAllStateCRC() const override;
#endif // #if WITH_EDITOR
};