Files
UnrealEngine/Engine/Source/Editor/BlueprintGraph/Classes/BlueprintComponentNodeSpawner.h
2025-05-18 13:04:45 +08:00

78 lines
2.6 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "BlueprintActionFilter.h"
#include "BlueprintNodeBinder.h"
#include "BlueprintNodeSignature.h"
#include "BlueprintNodeSpawner.h"
#include "Components/ActorComponent.h"
#include "Containers/UnrealString.h"
#include "CoreMinimal.h"
#include "Math/Vector2D.h"
#include "Templates/SubclassOf.h"
#include "UObject/Object.h"
#include "UObject/ObjectMacros.h"
#include "UObject/UObjectGlobals.h"
#include "BlueprintComponentNodeSpawner.generated.h"
class UActorComponent;
class UEdGraph;
class UEdGraphNode;
class UObject;
/**
* Takes care of spawning UK2Node_AddComponent nodes. Acts as the "action"
* portion of certain FBlueprintActionMenuItems. Evolved from
* FEdGraphSchemaAction_K2AddComponent.
*/
UCLASS(Transient)
class BLUEPRINTGRAPH_API UBlueprintComponentNodeSpawner : public UBlueprintNodeSpawner
{
GENERATED_UCLASS_BODY()
public:
/**
* Creates a new UBlueprintComponentNodeSpawner for the specified class.
* Does not do any compatibility checking to ensure that the class is
* viable as a spawnable component (do that before calling this).
*
* @param ComponentClass The component type you want spawned nodes to spawn.
* @return A newly allocated instance of this class.
*/
static UBlueprintComponentNodeSpawner* Create(const struct FComponentTypeEntry& Entry);
// UBlueprintNodeSpawner interface
virtual FBlueprintNodeSignature GetSpawnerSignature() const override;
virtual FBlueprintActionUiSpec GetUiSpec(FBlueprintActionContext const& Context, FBindingSet const& Bindings) const override;
virtual UEdGraphNode* Invoke(UEdGraph* ParentGraph, FBindingSet const& Bindings, FVector2D const Location) const override;
virtual bool IsTemplateNodeFilteredOut(const FBlueprintActionFilter& Filter) const override;
// End UBlueprintNodeSpawner interface
// IBlueprintNodeBinder interface
virtual bool IsBindingCompatible(FBindingObject BindingCandidate) const override;
virtual bool BindToNode(UEdGraphNode* Node, FBindingObject Binding) const override;
// End IBlueprintNodeBinder interface
/**
* Retrieves the component class that this configures spawned nodes with.
*
* @return The component type that this class was initialized with.
*/
TSubclassOf<UActorComponent> GetComponentClass() const;
private:
/** The component class to configure new nodes with. */
UPROPERTY()
TSubclassOf<UActorComponent> ComponentClass;
/** The name of the component class to configure new nodes with. */
UPROPERTY()
FString ComponentName;
/** The name of the asset name that needs to be loaded */
UPROPERTY()
FString ComponentAssetName;
};