西安企业网站建站,liferay 做网站,体育类网站 设计,wordpress图片文章发布接口目录 导入csv表格数据
创建、实例化、结构体
GameInstance
Actor
camera
绑定滚轮控制摇臂移动
碰撞绑定
角色碰撞设定
按钮
UI显示
单播代理
多播和动态多播
写一个接口
其他 NewObject 和 CreateDefaultSubobject区别 导入csv表格数据
创建一个object的C类
…目录 导入csv表格数据
创建、实例化、结构体
GameInstance
Actor
camera
绑定滚轮控制摇臂移动
碰撞绑定
角色碰撞设定
按钮
UI显示
单播代理
多播和动态多播
写一个接口
其他 NewObject 和 CreateDefaultSubobject区别 导入csv表格数据
创建一个object的C类
// Fill out your copyright notice in the Description page of Project Settings.#pragma once#include CoreMinimal.h
#include UObject/NoExportTypes.h
#include CharacterMsgObject.generated.hUSTRUCT(BlueprintType)
struct class CharacterMSG:public FTableRowBase {GENERATED_USTRUCT_BODY()UPROPERTY(EditAnywhere,BlueprintReadWrite,CategoryCharacterMsg)FString Name;UPROPERTY(EditAnywhere,BlueprintReadWrite,CategoryCharacterMsg)float Health;UPROPERTY(EditAnywhere,BlueprintReadWrite,CategoryCharacterMsg)int32 Level;
}
UCLASS()
class CPDD1_API UCharacterMsgObject : public UObject
{GENERATED_BODY()};编译生成
做一个csv表格对应结构体的元素 拖拽csv到UE5中
导入时选中上述创建的结构体 创建、实例化、结构体
// Fill out your copyright notice in the Description page of Project Settings.#pragma once#include CoreMinimal.h
#include Engine/Classes/Engine/DataTable.h
#include UObject/NoExportTypes.h
#include CharacterMsgObject.generated.hUSTRUCT(BlueprintType)
struct FCharacterMSG :public FTableRowBase
{GENERATED_USTRUCT_BODY()FCharacterMSG();//略UPROPERTY(EditAnywhere, BlueprintReadWrite, Category CharacterMsg)FString Name;UPROPERTY(EditAnywhere, BlueprintReadWrite, Category CharacterMsg)float Health;UPROPERTY(EditAnywhere, BlueprintReadWrite, Category CharacterMsg)int32 Level;};
UCLASS()
class CPDD1_API UCharacterMsgObject : public UObject
{GENERATED_BODY()
public:FCharacterMSG CMSG;//供实体类调用
};//创建实例UCharacterMsgObject* MyTestMSGObject; MyTestMSGObject NewObjectUCharacterMsgObject(GetWorld(), UCharacterMsgObject::StaticClass());if (MyTestMSGObject) {UE_LOG(LogTemp, Warning, TEXT(MyObject is %s), *MyTestMSGObject-GetName());UE_LOG(LogTemp, Warning, TEXT(NAME is %s), *MyTestMSGObject-CMSG.Name);UE_LOG(LogTemp, Warning, TEXT(HEALTH is %f), MyTestMSGObject-CMSG.Health);UE_LOG(LogTemp, Warning, TEXT(LEVEL is %d), MyTestMSGObject-CMSG.Level);}
GameInstance UMyGameInstance* MyGameInstance;MyGameInstance CastUMyGameInstance(GetWorld()-GetFirstPlayerController()-GetGameInstance());
应用游戏实例类 Actor
// Fill out your copyright notice in the Description page of Project Settings.#pragma once#include CoreMinimal.h
#include Components/SceneComponent.h
#include Components/StaticMeshComponent.h
#include Components/BoxComponent.h
#include Particles/ParticleSystemComponent.h
#include Components/AudioComponent.h
#include GameFramework/Actor.h
#include MyActor.generated.hUCLASS()
class CPDD1_API AMyActor : public AActor
{GENERATED_BODY()public: // Sets default values for this actors propertiesAMyActor();protected:// Called when the game starts or when spawnedvirtual void BeginPlay() override;public: // Called every framevirtual void Tick(float DeltaTime) override;UPROPERTY(VisibleAnywhere,BlueprintReadWrite,CategoryMySceneComponent)class USceneComponent* MyScene;UPROPERTY(VisibleAnywhere,BlueprintReadWrite,CategoryMySceneComponent)class UStaticMeshComponent* MyMesh;UPROPERTY(VisibleAnywhere,BlueprintReadWrite,CategoryMySceneComponent)class UParticleSystemComponent* MyParticle;UPROPERTY(VisibleAnywhere,BlueprintReadWrite,CategoryMySceneComponent)class UBoxComponent* MyBox;UPROPERTY(VisibleAnywhere,BlueprintReadWrite,CategoryMySceneComponent)class UAudioComponent* MyAudio;};AMyActor::AMyActor()
{// Set this actor to call Tick() every frame. You can turn this off to improve performance if you dont need it.PrimaryActorTick.bCanEverTick true;MyScene CreateDefaultSubobjectUSceneComponent(TEXT(MyCustomScene));MyMesh CreateDefaultSubobjectUStaticMeshComponent(TEXT(MyCustomScene));MyParticle CreateDefaultSubobjectUParticleSystemComponent(TEXT(MyCustomParticleSystem));MyBox CreateDefaultSubobjectUBoxComponent(TEXT(MyCustomBox));MyAudio CreateDefaultSubobjectUAudioComponent(TEXT(MyCustomAudio));RootComponent MyScene;MyMesh-SetupAttachment(MyScene);MyParticle-SetupAttachment(MyScene);MyBox-SetupAttachment(MyScene);MyAudio-SetupAttachment(MyBox);
} 静态加载类要加 “_C”
camera
UPROPERTY(VisibleAnywhere,BlueprintReadOnly,CategoryMySceneComponent)USceneComponent* MyRoot;
UPROPERTY(VisibleAnywhere,BlueprintReadOnly,CategoryMySceneComponent)USpringArmComponent* MySpringArm;
UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category MySceneComponent)UCameraComponent* MyCamera; // Set this pawn to call Tick() every frame. You can turn this off to improve performance if you dont need it.PrimaryActorTick.bCanEverTick true;MyRoot CreateDefaultSubobjectUSceneComponent(TEXT(MyRoot));MySpringArm CreateDefaultSubobjectUSpringArmComponent(TEXT(MySpringArm));MyCamera CreateDefaultSubobjectUCameraComponent(TEXT(MyCamera));RootComponent MyRoot;MySpringArm-SetupAttachment(MyRoot);MyCamera-SetupAttachment(MySpringArm);MySpringArm-bDoCollisionTest false;
绑定滚轮控制摇臂移动
#include CoreMinimal.h
#include GameFramework/PlayerController.h
#include SPlayerController.generated.h/*** */
UCLASS()
class CPDD1_API ASPlayerController : public APlayerController
{GENERATED_BODY()
public:virtual void SetupInputComponent();void WheelUpFunction();void WheelDownFunction();
}; 绑定键在UE5输入中设置
因为这里的Pawn和Controller都设置为当前gamemode的角色所有getPawn会锁到当前操控者的Pawn。
#include SPlayerController.h
#include MyPawn.hvoid ASPlayerController::SetupInputComponent()
{Super::SetupInputComponent();InputComponent-BindAction(WheelUp, IE_Pressed, this, ASPlayerController::WheelUpFunction);InputComponent-BindAction(WheelDown, IE_Pressed, this, ASPlayerController::WheelDownFunction);
}void ASPlayerController::WheelUpFunction()
{if (GetPawn()) {AMyPawn* pawn1 CastAMyPawn(GetPawn());pawn1-Zoom(1,1);}
}void ASPlayerController::WheelDownFunction()
{if (GetPawn()) {AMyPawn* pawn1 CastAMyPawn(GetPawn());pawn1-Zoom(-1, 1);}
}
void AMyPawn::Zoom(float Direction, float Speed)
{float temp MySpringArm-TargetArmLength - Direction * Speed * 10;if (temp 2000.f || temp 500.f)MySpringArm-TargetArmLength temp;
} 碰撞绑定 UPROPERTY(VisibleAnywhere,BlueprintReadWrite,CategoryMySceneComponent)class UBoxComponent* MyBox; MyBox-OnComponentBeginOverlap.AddDynamic(this, AMyActor::BeginOverlapFunction);MyBox-OnComponentEndOverlap.AddDynamic(this, AMyActor::EndOverlapFunction);MyBox-OnComponentHit.AddDynamic(this, AMyActor::OnComponentHitFunction);
绑定函数的参数从何而来 -转到定义
再转到定义
找到同义的参数看数字如果是six就把该函数后6位复制过来绑定函数的参数括号内去掉定义类型和变量名之间的逗号即可。 UFUNCTION()void BeginOverlapFunction(UPrimitiveComponent* OverlappedComponent, AActor* OtherActor, UPrimitiveComponent* OtherComp, int32 OtherBodyIndex, bool bFromSweep, const FHitResult SweepResult);UFUNCTION()void EndOverlapFunction(UPrimitiveComponent* OverlappedComponent, AActor* OtherActor, UPrimitiveComponent* OtherComp, int32 OtherBodyIndex);UFUNCTION()void OnComponentHitFunction(UPrimitiveComponent* HitComponent, AActor* OtherActor, UPrimitiveComponent* OtherComp, FVector NormalImpulse, const FHitResult Hit);
角色碰撞设定 //碰撞设置MyBox-SetCollisionEnabled(ECollisionEnabled::NoCollision);MyBox-SetCollisionEnabled(ECollisionEnabled::QueryOnly);MyBox-SetCollisionEnabled(ECollisionEnabled::PhysicsOnly);MyBox-SetCollisionEnabled(ECollisionEnabled::QueryAndPhysics);MyBox-SetCollisionEnabled(ECollisionEnabled::ProbeOnly);MyBox-SetCollisionEnabled(ECollisionEnabled::QueryAndProbe);//碰撞对象类型MyBox-SetCollisionObjectType(ECC_WorldDynamic);MyBox-SetCollisionObjectType(ECC_WorldStatic);MyBox-SetCollisionObjectType(ECC_Pawn);MyBox-SetCollisionObjectType(ECC_PhysicsBody);MyBox-SetCollisionObjectType(ECC_Vehicle);MyBox-SetCollisionObjectType(ECC_Destructible);//碰撞响应MyBox-SetCollisionResponseToAllChannels(ECR_Block);MyBox-SetCollisionResponseToAllChannels(ECR_Overlap);MyBox-SetCollisionResponseToAllChannels(ECR_Ignore);MyBox-SetCollisionResponseToChannel(ECC_Pawn, ECR_Overlap);//pawn允许重叠MyBox-SetCollisionResponseToChannel(ECC_WorldStatic,ECR_Block);//世界静态阻挡MyBox-SetCollisionResponseToChannel(ECC_WorldDynamic,ECR_Ignore);//世界动态忽略MyBox-SetBoxExtent(FVector(64, 64, 64));
按钮
绑定事件绑定函数时不用加括号
// Fill out your copyright notice in the Description page of Project Settings.#pragma once#include CoreMinimal.h
#include Components/Button.h
#include Blueprint/UserWidget.h
#include MyUserWidget.generated.hUCLASS()
class CPDD1_API UMyUserWidget : public UUserWidget
{GENERATED_BODY()
public:UPROPERTY(meta(BindWidget))//UI控件创建的按钮名称和声明名称相同UButton *ButtonStart;UPROPERTY(meta(BindWidget))UButton* ButtonQuit;UFUNCTION()void Start();UFUNCTION()void Quit();virtual bool Initialize()override;//重写组件初始化函数UPROPERTY(EditAnywhere,BlueprintReadWrite,CategoryMyHealth)float CurrentHealth100.f;UPROPERTY(EditAnywhere,BlueprintReadWrite,CategoryMyHealth)float MaxHealth 100.f;UFUNCTION()void UpdateHealth();
};#include MyUserWidget.hbool UMyUserWidget::Initialize()
{if(!Super::Initialize())return false;ButtonStart-OnClicked.AddDynamic(this, UMyUserWidget::Start);ButtonQuit-OnClicked.AddDynamic(this,UMyUserWidget::Quit);return true;
}void UMyUserWidget::UpdateHealth()
{if (CurrentHealth 0) {GEngine-AddOnScreenDebugMessage(-1, 5.0f, FColor::Red, TEXT(Death));}else {CurrentHealth - 30;}
}void UMyUserWidget::Start()
{GEngine-AddOnScreenDebugMessage(-1, 5.0f, FColor::Red, TEXT(Start));UpdateHealth();
}void UMyUserWidget::Quit()
{GEngine-AddOnScreenDebugMessage(-1, 5.0f, FColor::Red, TEXT(Quit));
}
UI显示
在游戏模式的控制器脚本的开始运行函数中
根据资源路径加载类并创建该类的实例作为“提升为变量”的接盘。
void ASPlayerController::BeginPlay()
{Super::BeginPlay();UClass* widgetClass LoadClassUMyUserWidget(NULL, TEXT(/Script/UMGEditor.WidgetBlueprint/Game/HbtScripts/MyUserWidget233.MyUserWidget233_C));UMyUserWidget* MyWidget nullptr;MyWidget CreateWidgetUMyUserWidget(GetWorld(), widgetClass);MyWidget-AddToViewport();
}
单播代理
// Fill out your copyright notice in the Description page of Project Settings.#pragma once#include CoreMinimal.h
#include GameFramework/Actor.h
#include MyDelegateActor.generated.hDECLARE_DELEGATE(NoParamDelegate);//1.声明代理类型
DECLARE_DELEGATE_OneParam(OneParamDelegate,FString);
DECLARE_DELEGATE_TwoParams(TwoParamDelegate, FString, int32);
DECLARE_DELEGATE_ThreeParams(ThreeParamDelegate, FString, int32, float);
DECLARE_DELEGATE_RetVal(FString, RetvalDelegate);UCLASS()
class CPDD1_API AMyDelegateActor : public AActor
{GENERATED_BODY()public: // Sets default values for this actors propertiesAMyDelegateActor();protected:// Called when the game starts or when spawnedvirtual void BeginPlay() override;public: // Called every framevirtual void Tick(float DeltaTime) override;//2.声明代理名称NoParamDelegate NoParamDelegate;OneParamDelegate OneParamDelegate;TwoParamDelegate TwoParamDelegate;ThreeParamDelegate ThreeParamDelegate;RetvalDelegate RetvalDelegate;//声明代理函数void NoParamFunction();void OneParamFunction(FString str);void TwoParamFunction(FString str,int32 value);void ThreeParamFunction(FString str,int32 value,float balue1);FString RetvalFunction();};// Fill out your copyright notice in the Description page of Project Settings.#include MyDelegateActor.h// Sets default values
AMyDelegateActor::AMyDelegateActor()
{// Set this actor to call Tick() every frame. You can turn this off to improve performance if you dont need it.PrimaryActorTick.bCanEverTick true;//3.绑定代理方法NoParamDelegate.BindUObject(this, AMyDelegateActor::NoParamFunction);OneParamDelegate.BindUObject(this, AMyDelegateActor::OneParamFunction);TwoParamDelegate.BindUObject(this, AMyDelegateActor::TwoParamFunction);ThreeParamDelegate.BindUObject(this, AMyDelegateActor::ThreeParamFunction);RetvalDelegate.BindUObject(this, AMyDelegateActor::RetvalFunction);}// Called when the game starts or when spawned
void AMyDelegateActor::BeginPlay()
{Super::BeginPlay();//4.调用代理NoParamDelegate.ExecuteIfBound();OneParamDelegate.ExecuteIfBound(OneParamDelegate);TwoParamDelegate.ExecuteIfBound(TwoParamDelegate,648);ThreeParamDelegate.ExecuteIfBound(ThreeParamDelegate,648,3.6f);FString strvalue RetvalDelegate.Execute();
}// Called every frame
void AMyDelegateActor::Tick(float DeltaTime)
{Super::Tick(DeltaTime);}void AMyDelegateActor::NoParamFunction()
{GEngine-AddOnScreenDebugMessage(-1,5.0f,FColor::Blue,TEXT(NoParamDelegate));
}void AMyDelegateActor::OneParamFunction(FString str)
{GEngine-AddOnScreenDebugMessage(-1, 5.0f, FColor::Blue, FString::Printf(TEXT(%s),*str));
}void AMyDelegateActor::TwoParamFunction(FString str, int32 value)
{GEngine-AddOnScreenDebugMessage(-1, 5.0f, FColor::Blue, FString::Printf(TEXT(%s,%d), *str,value));
}void AMyDelegateActor::ThreeParamFunction(FString str, int32 value, float value1)
{GEngine-AddOnScreenDebugMessage(-1, 5.0f, FColor::Blue, FString::Printf(TEXT(%s,%d,%f), *str, value, value1));
}FString AMyDelegateActor::RetvalFunction()
{FString str FString::Printf(TEXT(RetvalFunction));return str;
}
多播和动态多播
声明类型 DECLARE_MULTICAST_DELEGATE_OneParam(OneParamMultiDelegate, FString);
DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FDynamicMutilDelegate,FString,param);
声明名称 //多播代理OneParamMultiDelegate OneParamMultiDelegate;//动态多播UPROPERTY(BlueprintAssignable)FDynamicMutilDelegate FDynamicMutilDelegate; 绑定方法 //多播代理绑定OneParamMultiDelegate.AddUObject(this, AMyDelegateActor::MultiDelegateFunction1);
执行参数根据自己定义的类型 //执行多播代理OneParamMultiDelegate.Broadcast(OneParamMultiDelegate);//执行动态多播代理FDynamicMutilDelegate.Broadcast(FDynamicMutilDelegate);
多播代理能同时调用多个函数区别是动态多播能暴露给蓝图。
多播在脚本中写好绑定的多播函数。
动态多播在此基础上能在蓝图上额外绑定事件不止函数。 写一个接口
用I开头那个
声明要重写函数时有{}
// Fill out your copyright notice in the Description page of Project Settings.#pragma once#include CoreMinimal.h
#include UObject/Interface.h
#include TestInterface.generated.h// This class does not need to be modified.
UINTERFACE(MinimalAPI)
class UTestInterface : public UInterface
{GENERATED_BODY()
};/*** */
class CPDD1_API ITestInterface
{GENERATED_BODY()// Add interface functions to this class. This is the class that will be inherited to implement this interface.
public:virtual void Attack() {};virtual void CaclulateHealth() {};
};调用接屁股头文件 重写 virtual void Attack() override;virtual void CaclulateHealth() override; 然后再cpp编写即可。 其他 在使用打印语句时报错什么断点问题点尝试在打印语句上加UFUNCTION GEngine-AddOnScreenDebugMessage(-1, 5.0f, FColor::Red, TEXT(Death)); 变量要编辑组件要可视然后均为蓝图读写 NewObject 和 CreateDefaultSubobject区别 NewObject 和 CreateDefaultSubobject 是 Unreal Engine 中用于创建对象的两种不同方式它们有以下区别 对象类型NewObject 可以用于创建任何类型的对象包括 UObject、AActor、APawn 等。而 CreateDefaultSubobject 仅适用于在一个类的构造函数或初始化过程中创建默认的子对象。 对象生命周期使用 NewObject 创建的对象是动态分配的并由开发人员负责管理其生命周期。而使用 CreateDefaultSubobject 创建的对象是由 Unreal Engine 的对象系统自动管理的它们的生命周期与宿主对象的生命周期相同。 对象属性CreateDefaultSubobject 创建的对象会自动继承宿主对象的属性设置例如编辑器中设置的默认值、蓝图可编辑性等。而使用 NewObject 创建的对象需要手动设置属性。 宿主对象关系CreateDefaultSubobject 创建的子对象与宿主对象之间建立了父子关系这意味着子对象的生命周期与宿主对象紧密相关并且在宿主对象销毁时子对象也会被销毁。而 NewObject 创建的对象没有默认的宿主对象关系。
