【UE】UEC++委托代理,oppo819（oppo代理政策）

文件名：【UE】UEC++委托代理,oppo819 【UE】UEC++委托代理 【UE】UEC++委托代理  一、委托的声明与定义 #pragma once#include "CoreMinimal.h"#include "GameFramework/GameModeBase.h"#include "DelegateGameMode.generated.h"//// Declare DECLARE_DELEGATE//DECLARE_DELEGATE(FDeclareDelegate_00);DECLARE_DELEGATE_OneParam(FDeclareDelegate_01, bool);DECLARE_DELEGATE_TwoParams(FDeclareDelegate_02, bool, int32);DECLARE_DELEGATE_RetVal(bool, FDeclareDelegate_03);DECLARE_DELEGATE_RetVal_OneParam(bool, FDeclareDelegate_04, bool);//// Declare DECLARE_MULTICAST_DELEGATE//DECLARE_MULTICAST_DELEGATE(FDeclareMulticastDelegate_00);DECLARE_MULTICAST_DELEGATE_OneParam(FDeclareMulticastDelegate_01, int32);//// Declare DECLARE_DYNAMIC_DELEGATE//DECLARE_DYNAMIC_DELEGATE(FDeclareDynamicDelegate_00);DECLARE_DYNAMIC_DELEGATE_OneParam(FDeclareDynamicDelegate_01, int32, iValue);DECLARE_DYNAMIC_DELEGATE_RetVal(bool, FDeclareDynamicDelegate_02);DECLARE_DYNAMIC_DELEGATE_RetVal_OneParam(bool, FDeclareDynamicDelegate_03, int32, iValue);//// Declare DECLARE_DYNAMIC_MULTICAST_DELEGATE//DECLARE_DYNAMIC_MULTICAST_DELEGATE(FDeclareDynamicMulticastDelegate_00);DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FDeclareDynamicMulticastDelegate_01, int32, iValue);UCLASS()class DELEGATE_API ADelegateGameMode : public AGameModeBase{GENERATED_BODY()public://// Define DECLARE_DELEGATE//FDeclareDelegate_00 DeclareDelegate_00;FDeclareDelegate_01 DeclareDelegate_01;FDeclareDelegate_02 DeclareDelegate_02;FDeclareDelegate_03 DeclareDelegate_03;FDeclareDelegate_04 DeclareDelegate_04;//// Define DECLARE_MULTICAST_DELEGATE//FDeclareMulticastDelegate_00 DeclareMulticastDelegate_00;FDeclareMulticastDelegate_01 DeclareMulticastDelegate_01;//// Define DECLARE_DYNAMIC_DELEGATE//FDeclareDynamicDelegate_00 DeclareDynamicDelegate_00;FDeclareDynamicDelegate_01 DeclareDynamicDelegate_01;FDeclareDynamicDelegate_02 DeclareDynamicDelegate_02;FDeclareDynamicDelegate_03 DeclareDynamicDelegate_03;//// Define DECLARE_DYNAMIC_MULTICAST_DELEGATE//FDeclareDynamicMulticastDelegate_00 DeclareDynamicMulticastDelegate_00;FDeclareDynamicMulticastDelegate_01 DeclareDynamicMulticastDelegate_01;}; 二、单播绑定与解绑 #pragma once#include "CoreMinimal.h"#include "GameFramework/Actor.h"#include "DeclareDelegate.generated.h"UCLASS()class DELEGATE_API ADeclareDelegate : public AActor{GENERATED_BODY()public:ADeclareDelegate();virtual void Tick(float DeltaTime) override;protected:virtual void BeginPlay() override;virtual void EndPlay(const EEndPlayReason::Type EndPlayReason) override;public:UFUNCTION()void BindDelegate();UFUNCTION()void UnBindDelegate();UFUNCTION()void FunNoParam();UFUNCTION()void FunOneParam(bool bValue);UFUNCTION()void FunTwoParam(bool bValue, int32 iValue);UFUNCTION()bool FunRetValNoParam();UFUNCTION()bool FunRetValOneParam(bool bValue);}; #include "DeclareDelegate.h"#include "Delegate/GameMode/DelegateGameMode.h"#include "Kismet/GameplayStatics.h"ADeclareDelegate::ADeclareDelegate(){PrimaryActorTick.bCanEverTick = false;}void ADeclareDelegate::Tick(float DeltaTime){Super::Tick(DeltaTime);}void ADeclareDelegate::BeginPlay(){Super::BeginPlay();BindDelegate();}void ADeclareDelegate::EndPlay(const EEndPlayReason::Type EndPlayReason){Super::EndPlay(EndPlayReason);UnBindDelegate();}void ADeclareDelegate::BindDelegate(){UE_LOG(LogTemp,Log,TEXT("DeclareDelegateActor::BindDegelate"))if(GetWorld()){ADelegateGameMode* DelegateGameMode = Cast<ADelegateGameMode>(UGameplayStatics::GetGameMode(GetWorld()));DelegateGameMode->DeclareDelegate_00.BindUObject(this, &ThisClass::FunNoParam);DelegateGameMode->DeclareDelegate_01.BindUFunction(this, "FunOneParam");DelegateGameMode->DeclareDelegate_02.BindUObject(this, &ThisClass::FunTwoParam);DelegateGameMode->DeclareDelegate_03.BindUObject(this, &ThisClass::FunRetValNoParam);DelegateGameMode->DeclareDelegate_04.BindUFunction(this, "FunRetValOneParam");}}void ADeclareDelegate::UnBindDelegate(){UE_LOG(LogTemp,Log,TEXT("DeclareDelegateActor::UnBindDegelate"))if(GetWorld()){ADelegateGameMode* DelegateGameMode = Cast<ADelegateGameMode>(UGameplayStatics::GetGameMode(GetWorld()));DelegateGameMode->DeclareDelegate_00.Unbind();DelegateGameMode->DeclareDelegate_01.Unbind();DelegateGameMode->DeclareDelegate_02.Unbind();DelegateGameMode->DeclareDelegate_03.Unbind();DelegateGameMode->DeclareDelegate_04.Unbind();}}void ADeclareDelegate::FunNoParam(){UE_LOG(LogTemp,Log,TEXT("DeclareDelegateActor::FunNoParam"))}void ADeclareDelegate::FunOneParam(bool bValue){UE_LOG(LogTemp,Log,TEXT("DeclareDelegateActor::FunOneParam"))}void ADeclareDelegate::FunTwoParam(bool bValue, int32 iValue){UE_LOG(LogTemp,Log,TEXT("DeclareDelegateActor::FunTwoParam"))}bool ADeclareDelegate::FunRetValNoParam(){UE_LOG(LogTemp,Log,TEXT("DeclareDelegateActor::FunRetValNoParam"))return false;}bool ADeclareDelegate::FunRetValOneParam(bool bValue){UE_LOG(LogTemp,Log,TEXT("DeclareDelegateActor::FunRetValOneParam"))return bValue;} 三、多播绑定与解绑 #pragma once#include "CoreMinimal.h"#include "GameFramework/Actor.h"#include "DeclareMulticastDelegate.generated.h"UCLASS()class DELEGATE_API ADeclareMulticastDelegate : public AActor{GENERATED_BODY()public:ADeclareMulticastDelegate();virtual void Tick(float DeltaTime) override;protected:virtual void BeginPlay() override;virtual void EndPlay(const EEndPlayReason::Type EndPlayReason) override;public:UFUNCTION()void BindDelegate();UFUNCTION()void UnBindDelegate();UFUNCTION()void FunNoParam_One();UFUNCTION()void FunNoParam_Two();UFUNCTION()void FunOneParam_One(int32 iValue);UFUNCTION()void FunOneParam_Two(int32 iValue);private:FDelegateHandle DelegateHandle;TArray<FDelegateHandle> DelegateHandles;}; #include "DeclareMulticastDelegate.h"#include "Delegate/GameMode/DelegateGameMode.h"#include "Kismet/GameplayStatics.h"ADeclareMulticastDelegate::ADeclareMulticastDelegate(){PrimaryActorTick.bCanEverTick = false;}void ADeclareMulticastDelegate::Tick(float DeltaTime){Super::Tick(DeltaTime);}void ADeclareMulticastDelegate::BeginPlay(){Super::BeginPlay();BindDelegate();}void ADeclareMulticastDelegate::EndPlay(const EEndPlayReason::Type EndPlayReason){Super::EndPlay(EndPlayReason);UnBindDelegate();}void ADeclareMulticastDelegate::BindDelegate(){UE_LOG(LogTemp,Log,TEXT("DeclareMulticastDelegateActor::BindDegelate"))if(GetWorld()){ADelegateGameMode* DelegateGameMode = Cast<ADelegateGameMode>(UGameplayStatics::GetGameMode(GetWorld()));DelegateGameMode->DeclareMulticastDelegate_00.AddUObject(this, &ThisClass::FunNoParam_One);DelegateHandle = DelegateGameMode->DeclareMulticastDelegate_00.AddUFunction(this, "FunNoParam_Two");DelegateHandles.Add(DelegateGameMode->DeclareMulticastDelegate_01.AddUObject(this, &ThisClass::FunOneParam_One));DelegateHandles.Add(DelegateGameMode->DeclareMulticastDelegate_01.AddUFunction(this, "FunOneParam_Two"));}}void ADeclareMulticastDelegate::UnBindDelegate(){UE_LOG(LogTemp,Log,TEXT("DeclareMulticastDelegateActor::UnBindDelegate"))if(GetWorld()){ADelegateGameMode* DelegateGameMode = Cast<ADelegateGameMode>(UGameplayStatics::GetGameMode(GetWorld()));DelegateGameMode->DeclareMulticastDelegate_00.RemoveAll(this);for(FDelegateHandle Handle : DelegateHandles){DelegateGameMode->DeclareMulticastDelegate_01.Remove(Handle);}}}void ADeclareMulticastDelegate::FunNoParam_One(){UE_LOG(LogTemp,Log,TEXT("DeclareMulticastDelegateActor::FunNoParam_One"))}void ADeclareMulticastDelegate::FunNoParam_Two(){UE_LOG(LogTemp,Log,TEXT("DeclareMulticastDelegateActor::FunNoParam_Two"))if(GetWorld()){ADelegateGameMode* DelegateGameMode = Cast<ADelegateGameMode>(UGameplayStatics::GetGameMode(GetWorld()));DelegateGameMode->DeclareMulticastDelegate_00.Remove(DelegateHandle);}}void ADeclareMulticastDelegate::FunOneParam_One(int32 iValue){UE_LOG(LogTemp,Log,TEXT("DeclareMulticastDelegateActor::FunOneParam_One"))}void ADeclareMulticastDelegate::FunOneParam_Two(int32 iValue){UE_LOG(LogTemp,Log,TEXT("DeclareMulticastDelegateActor::FunOneParam_Two"))} 四、动态单播绑定与解绑 #pragma once#include "CoreMinimal.h"#include "GameFramework/Actor.h"#include "DeclareDynamicDelegate.generated.h"UCLASS()class DELEGATE_API ADeclareDynamicDelegate : public AActor{GENERATED_BODY()public:ADeclareDynamicDelegate();virtual void Tick(float DeltaTime) override;protected:virtual void BeginPlay() override;virtual void EndPlay(const EEndPlayReason::Type EndPlayReason) override;public:UFUNCTION()void BindDelegate();UFUNCTION()void UnBindDelegate();UFUNCTION()void FunNoParam();UFUNCTION()void FunOneParam(int32 iValue);UFUNCTION()bool FunRetValNoParam();UFUNCTION()bool FunRetValOneParam(int32 iValue);}; #include "DeclareDynamicDelegate.h"#include "Delegate/GameMode/DelegateGameMode.h"#include "Kismet/GameplayStatics.h"ADeclareDynamicDelegate::ADeclareDynamicDelegate(){PrimaryActorTick.bCanEverTick = false;}void ADeclareDynamicDelegate::Tick(float DeltaTime){Super::Tick(DeltaTime);}void ADeclareDynamicDelegate::BeginPlay(){Super::BeginPlay();BindDelegate();}void ADeclareDynamicDelegate::EndPlay(const EEndPlayReason::Type EndPlayReason){Super::EndPlay(EndPlayReason);UnBindDelegate();}void ADeclareDynamicDelegate::BindDelegate(){UE_LOG(LogTemp,Log,TEXT("DeclareDynamicDelegate::BindDelegate"))if(GetWorld()){ADelegateGameMode* DelegateGameMode = Cast<ADelegateGameMode>(UGameplayStatics::GetGameMode(GetWorld()));DelegateGameMode->DeclareDynamicDelegate_00.BindDynamic(this, &ThisClass::FunNoParam);DelegateGameMode->DeclareDynamicDelegate_01.BindUFunction(this, "FunOneParam");DelegateGameMode->DeclareDynamicDelegate_02.BindDynamic(this, &ThisClass::FunRetValNoParam);DelegateGameMode->DeclareDynamicDelegate_03.BindUFunction(this, "FunRetValOneParam");}}void ADeclareDynamicDelegate::UnBindDelegate(){UE_LOG(LogTemp,Log,TEXT("DeclareDynamicDelegate::UnBindDelegate"))if(GetWorld()){ADelegateGameMode* DelegateGameMode = Cast<ADelegateGameMode>(UGameplayStatics::GetGameMode(GetWorld()));DelegateGameMode->DeclareDynamicDelegate_00.Clear();DelegateGameMode->DeclareDynamicDelegate_01.Unbind();DelegateGameMode->DeclareDynamicDelegate_02.Clear();DelegateGameMode->DeclareDynamicDelegate_03.Unbind();}}void ADeclareDynamicDelegate::FunNoParam(){UE_LOG(LogTemp,Log,TEXT("DeclareDynamicDelegate::FunNoParam"))}void ADeclareDynamicDelegate::FunOneParam(int32 iValue){UE_LOG(LogTemp,Log,TEXT("DeclareDynamicDelegate::FunOneParam"))}bool ADeclareDynamicDelegate::FunRetValNoParam(){UE_LOG(LogTemp,Log,TEXT("DeclareDynamicDelegate::FunRetValNoParam"))return false;}bool ADeclareDynamicDelegate::FunRetValOneParam(int32 iValue){UE_LOG(LogTemp,Log,TEXT("DeclareDynamicDelegate::FunRetValOneParam"))return false;} 五、动态多播绑定与解绑 #pragma once#include "CoreMinimal.h"#include "GameFramework/Actor.h"#include "DeclareDynamicMulticastDelegate.generated.h"UCLASS()class DELEGATE_API ADeclareDynamicMulticastDelegate : public AActor{GENERATED_BODY()public:ADeclareDynamicMulticastDelegate();virtual void Tick(float DeltaTime) override;protected:virtual void BeginPlay() override;virtual void EndPlay(const EEndPlayReason::Type EndPlayReason) override;public:UFUNCTION()void BindDelegate();UFUNCTION()void UnBindDelegate();UFUNCTION()void FunNoParam_One();UFUNCTION()void FunNoParam_Two();UFUNCTION()void FunOneParam_One(int32 iValue);UFUNCTION()void FunOneParam_Two(int32 iValue);}; #include "DeclareDynamicMulticastDelegate.h"#include "Delegate/GameMode/DelegateGameMode.h"#include "Kismet/GameplayStatics.h"ADeclareDynamicMulticastDelegate::ADeclareDynamicMulticastDelegate(){PrimaryActorTick.bCanEverTick = false;}void ADeclareDynamicMulticastDelegate::Tick(float DeltaTime){Super::Tick(DeltaTime);}void ADeclareDynamicMulticastDelegate::BeginPlay(){Super::BeginPlay();BindDelegate();}void ADeclareDynamicMulticastDelegate::EndPlay(const EEndPlayReason::Type EndPlayReason){Super::EndPlay(EndPlayReason);UnBindDelegate();}void ADeclareDynamicMulticastDelegate::BindDelegate(){UE_LOG(LogTemp,Log,TEXT("DeclareDynamicMulticastDelegate::BindDelegate"))if(GetWorld()){ADelegateGameMode* DelegateGameMode = Cast<ADelegateGameMode>(UGameplayStatics::GetGameMode(GetWorld()));DelegateGameMode->DeclareDynamicMulticastDelegate_00.AddDynamic(this, &ThisClass::FunNoParam_One);DelegateGameMode->DeclareDynamicMulticastDelegate_00.AddUniqueDynamic(this, &ThisClass::FunNoParam_Two);DelegateGameMode->DeclareDynamicMulticastDelegate_01.AddDynamic(this, &ThisClass::FunOneParam_One);DelegateGameMode->DeclareDynamicMulticastDelegate_01.AddUniqueDynamic(this, &ThisClass::FunOneParam_Two);}}void ADeclareDynamicMulticastDelegate::UnBindDelegate(){UE_LOG(LogTemp,Log,TEXT("DeclareDynamicMulticastDelegate::UnBindDelegate"))if(GetWorld()){ADelegateGameMode* DelegateGameMode = Cast<ADelegateGameMode>(UGameplayStatics::GetGameMode(GetWorld()));DelegateGameMode->DeclareDynamicMulticastDelegate_00.Remove(this, "FunNoParam_One");DelegateGameMode->DeclareDynamicMulticastDelegate_00.RemoveDynamic(this, &ThisClass::FunNoParam_Two);DelegateGameMode->DeclareDynamicMulticastDelegate_01.RemoveAll(this);}}void ADeclareDynamicMulticastDelegate::FunNoParam_One(){UE_LOG(LogTemp,Log,TEXT("DeclareDynamicMulticastDelegate::FunNoParam_One"))}void ADeclareDynamicMulticastDelegate::FunNoParam_Two(){UE_LOG(LogTemp,Log,TEXT("DeclareDynamicMulticastDelegate::FunNoParam_Two"))}void ADeclareDynamicMulticastDelegate::FunOneParam_One(int32 iValue){UE_LOG(LogTemp,Log,TEXT("DeclareDynamicMulticastDelegate::FunOneParam_One"))}void ADeclareDynamicMulticastDelegate::FunOneParam_Two(int32 iValue){UE_LOG(LogTemp,Log,TEXT("DeclareDynamicMulticastDelegate::FunOneParam_Two"))} 六、委托的调用 #pragma once#include "CoreMinimal.h"#include "GameFramework/PlayerController.h"#include "DelegateController.generated.h"UCLASS()class DELEGATE_API ADelegateController : public APlayerController{GENERATED_BODY()public:virtual void SetupInputComponent() override;////Call Declare Delegate//UFUNCTION()void CallDeclareDelegate();////Call Declare Multicast Delegate//UFUNCTION()void CallDeclareMulticastDelegate();////Call Declare Dynamic Delegate//UFUNCTION()void CallDeclareDynamicDelegate();////Call Declare Dynamic Multicast Delegate//UFUNCTION()void CallDeclareDynamicMulticastDelegate();}; #include "DelegateController.h"#include "DelegateGameMode.h"#include "Kismet/GameplayStatics.h"void ADelegateController::SetupInputComponent(){Super::SetupInputComponent();InputComponent->BindAction("DeclareDelegate", IE_Pressed, this, &ThisClass::CallDeclareDelegate);InputComponent->BindAction("DeclareMulticastDelegate", IE_Pressed, this, &ThisClass::CallDeclareMulticastDelegate);InputComponent->BindAction("DeclareDynamicDelegate", IE_Pressed, this, &ThisClass::CallDeclareDynamicDelegate);InputComponent->BindAction("DeclareDynamicMulticastDelegate", IE_Pressed, this, &ThisClass::CallDeclareDynamicMulticastDelegate);}void ADelegateController::CallDeclareDelegate(){if(GetWorld() == nullptr) return;const ADelegateGameMode* DelegateGameMode = Cast<ADelegateGameMode>(UGameplayStatics::GetGameMode(GetWorld()));if(DelegateGameMode == nullptr) return;if(DelegateGameMode->DeclareDelegate_00.IsBound()){DelegateGameMode->DeclareDelegate_00.Execute();}DelegateGameMode->DeclareDelegate_01.ExecuteIfBound(true);DelegateGameMode->DeclareDelegate_02.ExecuteIfBound(true, 11);if(DelegateGameMode->DeclareDelegate_03.IsBound()){bool bValue = DelegateGameMode->DeclareDelegate_03.Execute();}if(DelegateGameMode->DeclareDelegate_04.IsBound()){bool bValue = DelegateGameMode->DeclareDelegate_04.Execute(true);}}void ADelegateController::CallDeclareMulticastDelegate(){if(GetWorld() == nullptr) return;const ADelegateGameMode* DelegateGameMode = Cast<ADelegateGameMode>(UGameplayStatics::GetGameMode(GetWorld()));if(DelegateGameMode == nullptr) return;if(DelegateGameMode->DeclareMulticastDelegate_00.IsBound()){DelegateGameMode->DeclareMulticastDelegate_00.Broadcast();}if(DelegateGameMode->DeclareMulticastDelegate_01.IsBound()){DelegateGameMode->DeclareMulticastDelegate_01.Broadcast(11);}}void ADelegateController::CallDeclareDynamicDelegate(){if(GetWorld() == nullptr) return;const ADelegateGameMode* DelegateGameMode = Cast<ADelegateGameMode>(UGameplayStatics::GetGameMode(GetWorld()));if(DelegateGameMode == nullptr) return;if(DelegateGameMode->DeclareDynamicDelegate_00.IsBound()){DelegateGameMode->DeclareDynamicDelegate_00.Execute();}DelegateGameMode->DeclareDynamicDelegate_01.ExecuteIfBound(11);if(DelegateGameMode->DeclareDynamicDelegate_02.IsBound()){bool bValue = DelegateGameMode->DeclareDynamicDelegate_02.Execute();}if(DelegateGameMode->DeclareDynamicDelegate_03.IsBound()){bool bValue = DelegateGameMode->DeclareDynamicDelegate_03.Execute(11);}}void ADelegateController::CallDeclareDynamicMulticastDelegate(){if(GetWorld() == nullptr) return;const ADelegateGameMode* DelegateGameMode = Cast<ADelegateGameMode>(UGameplayStatics::GetGameMode(GetWorld()));if(DelegateGameMode == nullptr) return;if(DelegateGameMode->DeclareDynamicMulticastDelegate_00.IsBound()){DelegateGameMode->DeclareDynamicMulticastDelegate_00.Broadcast();}if(DelegateGameMode->DeclareDynamicMulticastDelegate_01.IsBound()){DelegateGameMode->DeclareDynamicMulticastDelegate_01.Broadcast(11);}} 七、运行结果 1、运行开始

2、调用单播

3、调用多播

再次调用

4、调用动态单播

5、调用动态多播

6、运行结束