UE4 C++ 一个Character踩地雷

UE4 C++ 一个Character踩地雷

// Fill out your copyright notice in the Description page of Project Settings.#pragma once#include "CoreMinimal.h"
#include "GameFramework/Character.h"
#include "MyinPlayer.generated.h"UCLASS()
class GETSTARTED_API AMyinPlayer : public ACharacter
{GENERATED_BODY()public:// Sets default values for this character's propertiesAMyinPlayer();UPROPERTY(VisibleAnywhere,BlueprintReadOnly)class USpringArmComponent* SpringArm;UPROPERTY(VisibleAnywhere, BlueprintReadOnly)class UCameraComponent* FollowCamera;float BaseTurnRate;float BaseTurnUpRate;UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = "Player Stats")float MaxHealth;//生命值UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Player Stats")float Health;UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = "Player Stats")float MaxStamina;//耐力UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Player Stats")float Stamina;UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Player Stats")int32 Coins;protected:// Called when the game starts or when spawnedvirtual void BeginPlay() override;public:  // Called every framevirtual void Tick(float DeltaTime) override;// Called to bind functionality to inputvirtual void SetupPlayerInputComponent(class UInputComponent* PlayerInputComponent) override;virtual void Jump() override;//重写的一个函数void MoveForward(float value);void MoveRight(float value);void Turn(float value);void LookUp(float value);void TurnAtRate(float value);void LookUpAtRate(float value);void IncreaseHealth(float value);void IncreaseStamina(float value);void IncreaseCoin(int value);virtual float TakeDamage(float Damage, struct FDamageEvent const& DamageEvent, AController* EventInstigator, AActor* DamageCauser) override;
};

这里就是给角色加了一个事件任意伤害

// Fill out your copyright notice in the Description page of Project Settings.#include "Characters/Player/MyinPlayer.h"
#include "GameFramework/SpringArmComponent.h"
#include "Camera/CameraComponent.h"
#include "Components/CapsuleComponent.h"
#include "Components/InputComponent.h"
#include "GameFramework/CharacterMovementComponent.h"
// Sets default values
AMyinPlayer::AMyinPlayer()
{// Set this character to call Tick() every frame.  You can turn this off to improve performance if you don't need it.PrimaryActorTick.bCanEverTick = true;SpringArm=CreateDefaultSubobject<USpringArmComponent>(TEXT("SpringArm"));SpringArm->SetupAttachment(GetRootComponent());SpringArm->TargetArmLength = 600.0f;SpringArm->bUsePawnControlRotation = true;FollowCamera=CreateDefaultSubobject<UCameraComponent>(TEXT("FollowCamera"));FollowCamera->SetupAttachment(SpringArm, USpringArmComponent::SocketName);FollowCamera->bUsePawnControlRotation = false;GetCapsuleComponent()->SetCapsuleSize(25.0f, 100.0f);//设置胶囊体组件的高和宽bUseControllerRotationYaw = false;GetCharacterMovement()->bOrientRotationToMovement = true;//继承角色移动类里面的“将旋转朝向远动”设置为GetCharacterMovement()->RotationRate=FRotator(0.0f, 500.0f, 0.0f);//继上面“旋转速率”BaseTurnRate = 65.0f;BaseTurnUpRate = 65.0f;GetCharacterMovement()->JumpZVelocity = 500.0f;//跳的时候一个速度Z轴的速度GetCharacterMovement()->AirControl = 0.15f;//这是在空中的移动速度MaxHealth = 100.0f;Health = MaxHealth;MaxStamina = 150.f;Stamina = MaxStamina;Coins = 0;
}// Called when the game starts or when spawned
void AMyinPlayer::BeginPlay()
{Super::BeginPlay();}// Called every frame
void AMyinPlayer::Tick(float DeltaTime)
{Super::Tick(DeltaTime);}// Called to bind functionality to input
void AMyinPlayer::SetupPlayerInputComponent(UInputComponent* PlayerInputComponent)
{Super::SetupPlayerInputComponent(PlayerInputComponent);check(PlayerInputComponent);//是否有效，可用性的检查PlayerInputComponent->BindAxis("MoveForward", this, &AMyinPlayer::MoveForward);//第一个是轴映射的名称PlayerInputComponent->BindAxis("MoveRight", this, &AMyinPlayer::MoveRight);PlayerInputComponent->BindAxis("Turn", this, &AMyinPlayer::Turn);PlayerInputComponent->BindAxis("LookUp", this, &AMyinPlayer::LookUp);PlayerInputComponent->BindAxis("TurnAtRate", this, &AMyinPlayer::TurnAtRate);PlayerInputComponent->BindAxis("LookUpAtRate", this, &AMyinPlayer::LookUpAtRate);//轴PlayerInputComponent->BindAction("Jump", IE_Pressed, this, &AMyinPlayer::Jump);//按键PlayerInputComponent->BindAction("Jump", IE_Released, this, &AMyinPlayer::StopJumping);//落下}void AMyinPlayer::Jump()//跳跃
{Super::Jump();}void AMyinPlayer::MoveForward(float value)
{//if ((Controller != nullptr) && (value != 0.0f)) {//FRotator Rotation = Controller->GetControlRotation();//FRotator YawRotation(0.0f, Rotation.Yaw, 0.0f);//FVector Direction = FRotationMatrix(YawRotation).GetUnitAxis(EAxis::X);//AddMovementInput(Direction, value);//}AddMovementInput(FollowCamera->GetForwardVector(), value);//添加移动输入
}void AMyinPlayer::MoveRight(float value)
{//if ((Controller != nullptr) && (value != 0.0f)) {//FRotator Rotation = Controller->GetControlRotation();//FRotator YawRotation(0.0f, Rotation.Yaw, 0.0f);//FVector Direction = FRotationMatrix(YawRotation).GetUnitAxis(EAxis::Y);//AddMovementInput(Direction, value);//}AddMovementInput(FollowCamera->GetRightVector(), value);
}void AMyinPlayer::Turn(float value)
{if (value != 0.0f){AddControllerYawInput(value);}
}void AMyinPlayer::LookUp(float value)
{if (GetControlRotation().Pitch < 270.0f && GetControlRotation().Pitch>180.0f && value > 0.0f){return;}if (GetControlRotation().Pitch > 45.0f && GetControlRotation().Pitch < 180.0f && value < 0.0f) {return;}AddControllerPitchInput(value);
}void AMyinPlayer::TurnAtRate(float value)
{float valuee = value * BaseTurnRate*GetWorld()->GetDeltaSeconds();//乘以一个Time函数里的DeltaTime，作用120帧和30帧的电脑跑起来一样快if (valuee != 0.0f){AddControllerYawInput(value);}
}void AMyinPlayer::LookUpAtRate(float value)
{float valuee = value * BaseTurnUpRate * GetWorld()->GetDeltaSeconds();//乘以一个Time函数里的DeltaTime，作用120帧和30帧的电脑跑起来一样快if (GetControlRotation().Pitch < 270.0f && GetControlRotation().Pitch>180.0f && value > 0.0f){return;}if (GetControlRotation().Pitch > 45.0f && GetControlRotation().Pitch < 180.0f && value < 0.0f) {return;}AddControllerPitchInput(valuee);
}void AMyinPlayer::IncreaseStamina(float value)
{Health = FMath::Clamp(Health + value, 0.0f, MaxHealth);
}void AMyinPlayer::IncreaseCoin(int value)
{Stamina = FMath::Clamp(Stamina + value, 0.0f, MaxStamina);
}//事件任意伤害
float AMyinPlayer::TakeDamage(float Damage, FDamageEvent const& DamageEvent, AController* EventInstigator, AActor* DamageCauser)
{if (Health - Damage <= 0.0f) {Health = FMath::Clamp(Health - Damage, 0.0f, MaxHealth);}else {Health -= Damage;}return Health;
}void AMyinPlayer::IncreaseHealth(float value)
{Coins += value;
}

炸弹：

// Fill out your copyright notice in the Description page of Project Settings.#pragma once#include "CoreMinimal.h"
#include "Gameplay/Interactableitem.h"
#include "Explosiveitem.generated.h"/*** */
UCLASS()
class GETSTARTED_API AExplosiveitem : public AInteractableitem
{GENERATED_BODY()public :AExplosiveitem();UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Damage")float Damage;UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Damage")TSubclassOf<UDamageType> DamageTypeClass;public :virtual void OnOverlapBegin(UPrimitiveComponent* OverlappedComponent, AActor* OtherActor, UPrimitiveComponent* OtherComp, int32 OtherBodyIndex, bool bFromSweep, const FHitResult& SweepResult) override;virtual    void OnOverlapEnd(UPrimitiveComponent* OverlappedComponent, AActor* OtherActor, UPrimitiveComponent* OtherComp, int32 OtherBodyIndex) override;};

// Fill out your copyright notice in the Description page of Project Settings.#include "Gameplay/Explosiveitem.h"
#include "Characters/Player/MyinPlayer.h"
#include "Kismet/GameplayStatics.h"
#include "Sound/SoundCue.h"
#include "Components/SphereComponent.h"
AExplosiveitem::AExplosiveitem() {Damage = 20.0f;TriggerVolume->SetSphereRadius(50.0f);
}
void AExplosiveitem::OnOverlapBegin(UPrimitiveComponent* OverlappedComponent, AActor* OtherActor, UPrimitiveComponent* OtherComp, int32 OtherBodyIndex, bool bFromSweep, const FHitResult& SweepResult)
{Super::OnOverlapBegin(OverlappedComponent, OtherActor, OtherComp, OtherBodyIndex, bFromSweep, SweepResult);if (OtherActor) {const AMyinPlayer* MainPlayer = Cast<AMyinPlayer>(OtherActor);if (MainPlayer) {if (OverlapParticle) {UGameplayStatics::SpawnEmitterAtLocation(this, OverlapParticle, GetActorLocation(), FRotator(0.0f),true);//生成爆炸的位置}if (OverlapSound) {UGameplayStatics::PlaySound2D(this,OverlapSound);//播放声音}UGameplayStatics::ApplyDamage(OtherActor,Damage,nullptr,this,DamageTypeClass);//这个就是应用伤害Destroy();//销毁自己}}
}void AExplosiveitem::OnOverlapEnd(UPrimitiveComponent* OverlappedComponent, AActor* OtherActor, UPrimitiveComponent* OtherComp, int32 OtherBodyIndex)
{Super::OnOverlapEnd(OverlappedComponent, OtherActor, OtherComp, OtherBodyIndex);
}

炸弹继承这个类：

// Fill out your copyright notice in the Description page of Project Settings.#pragma once#include "CoreMinimal.h"
#include "GameFramework/Actor.h"
#include "Interactableitem.generated.h"UCLASS()
class GETSTARTED_API AInteractableitem : public AActor
{GENERATED_BODY()public:    // Sets default values for this actor's propertiesAInteractableitem();UPROPERTY(VisibleAnywhere, BlueprintReadWrite)class USphereComponent* TriggerVolume;UPROPERTY(VisibleAnywhere, BlueprintReadWrite)class UStaticMeshComponent* DisplayMesh;UPROPERTY(VisibleAnywhere, BlueprintReadWrite)class UParticleSystemComponent* IdleParticleComponent;//粒子系统的组件UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Interactable Item|Particles")class UParticleSystem* OverlapParticle;//重叠播放的粒子,可以看做一个资源UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Interactable Item|Sounds")class USoundCue* OverlapSound;//一个声音的资源吧UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Interactable Item|Item Properties")bool bNeedRotate;//需要旋转吗UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Interactable Item|Item Properties")float RotationRate;//旋转的速率protected:// Called when the game starts or when spawnedvirtual void BeginPlay() override;public: // Called every framevirtual void Tick(float DeltaTime) override;UFUNCTION()virtual void OnOverlapBegin(UPrimitiveComponent* OverlappedComponent, AActor* OtherActor, UPrimitiveComponent* OtherComp, int32 OtherBodyIndex, bool bFromSweep, const FHitResult& SweepResult);UFUNCTION()virtual  void OnOverlapEnd(UPrimitiveComponent* OverlappedComponent, AActor* OtherActor, UPrimitiveComponent* OtherComp, int32 OtherBodyIndex);};

// Fill out your copyright notice in the Description page of Project Settings.#include "Gameplay/Interactableitem.h"
#include "Components/SphereComponent.h"
#include "Components/StaticMeshComponent.h"
#include "particles/ParticleSystemComponent.h"// Sets default values
AInteractableitem::AInteractableitem()
{// Set this actor to call Tick() every frame.  You can turn this off to improve performance if you don't need it.PrimaryActorTick.bCanEverTick = true;TriggerVolume = CreateDefaultSubobject<USphereComponent>(TEXT("TriggerVolume"));RootComponent = TriggerVolume;// 组件 ->SetCollisionEnabled(ECollisionEnabled::NoCollision);     注释：没有碰撞// 组件 ->SetCollisionEnabled(ECollisionEnabled::PhysicsOnly);     注释：只有物理// 组件 ->SetCollisionEnabled(ECollisionEnabled::QueryAndPhysics); 注释：查询和物理// 组件 ->SetCollisionEnabled(ECollisionEnabled::QueryOnly);       注释：只有查询// 组件 ->SetCollisionEnabled(ECollisionEnabled::Type);             注释：目前理解为自定义TriggerVolume->SetCollisionEnabled(ECollisionEnabled::QueryOnly);//仅查询TriggerVolume->SetCollisionObjectType(ECollisionChannel::ECC_WorldStatic);//设为世界静态TriggerVolume->SetCollisionResponseToAllChannels(ECollisionResponse::ECR_Ignore);//让所有频道都忽略TriggerVolume->SetCollisionResponseToChannel(ECollisionChannel::ECC_Pawn, ECollisionResponse::ECR_Overlap);//再单独开启一个Pawn 频道的一个事件DisplayMesh = CreateDefaultSubobject<UStaticMeshComponent>(TEXT("DisplayMesh"));DisplayMesh->SetupAttachment(GetRootComponent());IdleParticleComponent = CreateDefaultSubobject<UParticleSystemComponent>(TEXT("IdleParticleComponent"));IdleParticleComponent->SetupAttachment(GetRootComponent());bNeedRotate = true;RotationRate = 45.0f;
}// Called when the game starts or when spawned
void AInteractableitem::BeginPlay()
{Super::BeginPlay();TriggerVolume->OnComponentBeginOverlap.AddDynamic(this,&AInteractableitem::OnOverlapBegin);TriggerVolume->OnComponentEndOverlap.AddDynamic(this, &AInteractableitem::OnOverlapEnd);}// Called every frame
void AInteractableitem::Tick(float DeltaTime)
{Super::Tick(DeltaTime);if (bNeedRotate) {FRotator NewRotation = GetActorRotation();NewRotation.Yaw += RotationRate * DeltaTime;SetActorRotation(NewRotation);}}void AInteractableitem::OnOverlapBegin(UPrimitiveComponent* OverlappedComponent, AActor* OtherActor, UPrimitiveComponent* OtherComp, int32 OtherBodyIndex, bool bFromSweep, const FHitResult& SweepResult)
{}void AInteractableitem::OnOverlapEnd(UPrimitiveComponent* OverlappedComponent, AActor* OtherActor, UPrimitiveComponent* OtherComp, int32 OtherBodyIndex)
{}

血条绑定就是简单的蓝图绑定了！！！！

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