青海西宁网站建设,logo设计在线生成免费版,在线网站建设,设计软件图标继承于U2KNode的类#xff0c;调用蓝图函数库内的方法#xff0c;这里写了多输出引脚#xff0c;但是没有测试具体输出哪个引脚。
.h
// Fill out your copyright notice in the Description page of Project Settings.#pragma once#include CoreMinimal.h
#i…继承于U2KNode的类调用蓝图函数库内的方法这里写了多输出引脚但是没有测试具体输出哪个引脚。
.h
// Fill out your copyright notice in the Description page of Project Settings.#pragma once#include CoreMinimal.h
#include K2Node.h
#include MyNode.generated.h/*** */
UCLASS()
class NEWCOUSTNODE_API UMyNode : public UK2Node
{GENERATED_BODY()public:// //鼠标放到上面的说明/注释// virtual FText GetTooltipText()const override;// //节点名称// virtual FText GetNodeTitle(ENodeTitleType::Type TitleType)const override;// //将节点添加到蓝图视图// virtual void GetMenuActions(FBlueprintActionDatabaseRegistrar ActionRegister)const override;// //蓝图节点的标签// virtual FText GetMenuCategory()const;// //展开节点// virtual void ExpandNode(FKismetCompilerContext CompilerContext, UEdGraph* SourceGraph)override;// //分配默认引脚// virtual void AllocateDefaultPins()override;// //引脚更改时会调用// virtual void PinDefaultValueChanged(UEdGraphPin* ChangedPin)override;// //连接情况更改以后// virtual void NotifyPinConnectionListChanged(UEdGraphPin* Pin)override;//// //创建一个可视小部件来在图形编辑器或图形面板中表示这个节点。如果没有实现则将使用默认的节点工厂// virtual TSharedPtrSGraphNode CreateVisualWidget() { return TSharedPtrSGraphNode(); }// // 为表示此节点的小部件创建背景图像// virtual TSharedPtrSWidget CreateNodeImage() const { return TSharedPtrSWidget(); }// //右键菜单, 比如添加RemovePin// virtual void GetNodeContextMenuActions(class UToolMenu* Menu, class UGraphNodeContextMenuContext* Context) const override;//鼠标放到上面的说明/注释virtual FText GetTooltipText() const override { return FText::FromString(TEXT(This node is used for everyone to learn)); }//节点名称virtual FText GetNodeTitle(ENodeTitleType::Type TitleType) const override { return FText::FromString(TEXT(My Node)); }//蓝图节点的标签virtual FText GetMenuCategory() const { return FText::FromString(TEXT(This is My ClassMenu)); }//重写UK2Node的GetMenuActions函数使其可以在右键菜单里找到这个蓝图节点virtual void GetMenuActions(FBlueprintActionDatabaseRegistrar ActionRegistrar) const override;//分配默认引脚virtual void AllocateDefaultPins() override;//节点调用函数virtual void ExpandNode(FKismetCompilerContext CompilerContext, UEdGraph* SourceGraph)override;};.cpp
// Fill out your copyright notice in the Description page of Project Settings.#include NewCoustNode/Public/MyNode.h#include BlueprintActionDatabaseRegistrar.h
#include BlueprintNodeSpawner.h
#include K2Node_CallFunction.h
#include KismetCompiler.h
#include MyBlueprintFunctionLibrary.h//通用可以固定格式
void UMyNode::GetMenuActions(FBlueprintActionDatabaseRegistrar ActionRegistrar) const
{Super::GetMenuActions(ActionRegistrar);UClass* ActionKey GetClass();//ActionRegistrar需要includeif (ActionRegistrar.IsOpenForRegistration(ActionKey)){//UBlueprintNodeSpawner需要includeUBlueprintNodeSpawner* NodeSpawner UBlueprintNodeSpawner::Create(GetClass());check(NodeSpawner ! nullptr);ActionRegistrar.AddBlueprintAction(ActionKey, NodeSpawner);}
}void UMyNode::AllocateDefaultPins()
{Super::AllocateDefaultPins();//创建输入引脚CreatePin(EGPD_Input, UEdGraphSchema_K2::PC_Exec, UEdGraphSchema_K2::PN_Execute);//创建输出引脚01UEdGraphPin* staring CreatePin(EGPD_Output, UEdGraphSchema_K2::PC_Exec, UEdGraphSchema_K2::PN_Then);staring-PinFriendlyName FText::FromString(staring);//创建输出引脚02UEdGraphPin* Finished CreatePin(EGPD_Output, UEdGraphSchema_K2::PC_Exec, UEdGraphSchema_K2::PN_Then);Finished-PinFriendlyName FText::FromString(finished);
}void UMyNode::ExpandNode(FKismetCompilerContext CompilerContext, UEdGraph* SourceGraph)
{Super::ExpandNode(CompilerContext, SourceGraph);UEdGraphPin* ExecPin GetExecPin();UEdGraphPin* ThenPin GetThenPin();if (ExecPin ThenPin) {// 调用一个BlueprintFunctionLibrary节点,需要include UMyBlueprintFunctionLibraryFName MyFunctionName GET_FUNCTION_NAME_CHECKED(UMyBlueprintFunctionLibrary, starting);//UK2Node_CallFunction需要include,CompilerContext需要include并且模块内要添加BlueprintGraph,UnrealEd,GraphEditor,KismetCompilerUK2Node_CallFunction* CallFuncNode CompilerContext.SpawnIntermediateNodeUK2Node_CallFunction(this,SourceGraph);CallFuncNode-FunctionReference.SetExternalMember(MyFunctionName, UMyBlueprintFunctionLibrary::StaticClass());CallFuncNode-AllocateDefaultPins();CompilerContext.MovePinLinksToIntermediate(*ExecPin, *(CallFuncNode-GetExecPin()));FName MyFunctionName01 GET_FUNCTION_NAME_CHECKED(UMyBlueprintFunctionLibrary, Finished);UK2Node_CallFunction* CallFuncNode01 CompilerContext.SpawnIntermediateNodeUK2Node_CallFunction(this,SourceGraph);CallFuncNode01-FunctionReference.SetExternalMember(MyFunctionName01, UMyBlueprintFunctionLibrary::StaticClass());CallFuncNode01-AllocateDefaultPins();CompilerContext.MovePinLinksToIntermediate(*ExecPin, *(CallFuncNode01-GetExecPin()));// move pinsCompilerContext.MovePinLinksToIntermediate(*ThenPin, *(CallFuncNode-GetThenPin()));CompilerContext.MovePinLinksToIntermediate(*ThenPin, *(CallFuncNode01-GetThenPin()));}
}
Function
.h
// Fill out your copyright notice in the Description page of Project Settings.#pragma once#include CoreMinimal.h
#include Kismet/BlueprintFunctionLibrary.h
#include MyBlueprintFunctionLibrary.generated.h/*** */
UCLASS()
class NEWCOUSTNODE_API UMyBlueprintFunctionLibrary : public UBlueprintFunctionLibrary
{GENERATED_BODY()public:UFUNCTION(BlueprintCallable, meta (BlueprintInternalUseOnly true))static void starting();UFUNCTION(BlueprintCallable, meta (BlueprintInternalUseOnly true))static void Finished();
};.cpp
// Fill out your copyright notice in the Description page of Project Settings.#include MyBlueprintFunctionLibrary.hvoid UMyBlueprintFunctionLibrary::starting()
{if (GEngine) {const int32 AlwaysAddKey -1;GEngine-AddOnScreenDebugMessage(AlwaysAddKey,5.0f,FColor::Purple,TEXT(starting...));}
}void UMyBlueprintFunctionLibrary::Finished()
{if (GEngine) {const int32 AlwaysAddKey -1;GEngine-AddOnScreenDebugMessage(AlwaysAddKey,5.0f,FColor::Red,TEXT(finished...));}
}
