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af65e53764
- Inline edit support for UPROPERTY of type float, int32, uint32, uint8, enum, bool. - Editable UPROPERTYs with "OverridingInputProperty" metadata are created as inline widgets next to their corresponding inputs. - Rest of the editable UPROPERTYs may specify "ShowAsInputPin" metadata to become inline edit pins, with 2 choices: "Primary" - show in primary view, "Advanced" - show in in advanced view. - Update a bunch of material expressions to reflect the changes, rest of the expressions still need to be worked through. #jira UE-145276 #rb kevin.Ortegren #preflight 627a3cc8937a047d62282ba7 [CL 20122451 by Josie Yang in ue5-main branch]
112 lines
4.3 KiB
C++
112 lines
4.3 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "UObject/ObjectMacros.h"
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#include "MaterialGraph/MaterialGraph.h"
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#include "MaterialGraph/MaterialGraphNode_Base.h"
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#include "MaterialGraphNode.generated.h"
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class UEdGraphPin;
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UCLASS(MinimalAPI)
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class UMaterialGraphNode : public UMaterialGraphNode_Base
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{
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GENERATED_UCLASS_BODY()
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/** Material Expression this node is representing */
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UPROPERTY()
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TObjectPtr<class UMaterialExpression> MaterialExpression;
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/** Set to true when Expression Preview compiles, so we can update SGraphNode */
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bool bPreviewNeedsUpdate;
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/** Set to true if this expression causes an error in the material */
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bool bIsErrorExpression;
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/** Set to true if this expression is currently being previewed */
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bool bIsPreviewExpression;
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/** Checks if Material Editor is in realtime mode, so we update SGraphNode every frame */
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FRealtimeStateGetter RealtimeDelegate;
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/** Marks the Material Editor as dirty so that user prompted to apply change */
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FSetMaterialDirty MaterialDirtyDelegate;
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/** Called when the preview material attached to this graph node needs to be updated */
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FSimpleDelegate InvalidatePreviewMaterialDelegate;
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public:
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/** Fix up the node's owner after being copied */
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UNREALED_API virtual void PostCopyNode();
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/** Get the expression preview for this node */
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UNREALED_API FMaterialRenderProxy* GetExpressionPreview();
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/** Recreate this node's pins and relink the Graph from the Material */
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UNREALED_API void RecreateAndLinkNode();
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/** Get the Material value type of an output pin */
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//virtual uint32 GetOutputType(const UEdGraphPin* OutputPin) const override;
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//~ Begin UObject Interface
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virtual void PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent) override;
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virtual void PostEditImport() override;
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virtual void PostDuplicate(bool bDuplicateForPIE) override;
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//~ End UObject Interface
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//~ Begin UEdGraphNode Interface.
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virtual bool CanPasteHere(const UEdGraph* TargetGraph) const override;
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virtual FText GetNodeTitle(ENodeTitleType::Type TitleType) const override;
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virtual FLinearColor GetNodeTitleColor() const override;
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virtual FText GetTooltipText() const override;
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virtual void PrepareForCopying() override;
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virtual void GetNodeContextMenuActions(class UToolMenu* Menu, class UGraphNodeContextMenuContext* Context) const override;
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virtual void PostPlacedNewNode() override;
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virtual void NodeConnectionListChanged() override;
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virtual void OnRenameNode(const FString& NewName) override;
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virtual void OnUpdateCommentText( const FString& NewComment ) override;
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virtual void OnCommentBubbleToggled( bool bInCommentBubbleVisible ) override;
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virtual void GetPinHoverText(const UEdGraphPin& Pin, FString& HoverTextOut) const override;
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virtual FString GetDocumentationExcerptName() const override;
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virtual bool CanUserDeleteNode() const override;
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virtual uint32 GetPinMaterialType(const UEdGraphPin* Pin) const override;
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virtual void PinDefaultValueChanged(UEdGraphPin* Pin) override;
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//~ End UEdGraphNode Interface.
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//~ Begin UMaterialGraphNode_Base Interface
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virtual UObject* GetMaterialNodeOwner() const override { return MaterialExpression; }
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virtual void CreateInputPins() override;
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virtual void CreateOutputPins() override;
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//~ End UMaterialGraphNode_Base Interface
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/** Will return the shorten pin name to use based on long pin name */
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static FName UNREALED_API GetShortenPinName(const FName PinName);
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private:
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/** Make sure the MaterialExpression is owned by the Material */
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void ResetMaterialExpressionOwner();
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/** Get the parameter name from the Material Expression */
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FString GetParameterName() const;
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/** Sets the Material Expression's parameter name */
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void SetParameterName(const FString& NewName);
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/** Should expression use the bool pin colour for its title */
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static bool UsesBoolColour(UMaterialExpression* Expression);
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/** Should expression use the float pin colour for its title */
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static bool UsesFloatColour(UMaterialExpression* Expression);
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/** Should expression use the vector pin colour for its title */
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static bool UsesVectorColour(UMaterialExpression* Expression);
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/** Should expression use the object pin colour for its title */
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static bool UsesObjectColour(UMaterialExpression* Expression);
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/** Should expression use the event node colour for its title */
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static bool UsesEventColour(UMaterialExpression* Expression);
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};
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