siki学院的飞机大作战UE4.26代码

上一篇文章写了整体框架，这篇文章来贴出我自己跟着siki学院的飞机大作战视频所制作的代码，编译环境为VS2019，UE4.26完美运行。

SpaceShip.cpp

#include "SpaceShip.h"
#include "Components/StaticMeshComponent.h"
#include "Components/SphereComponent.h"
#include "Camera/CameraComponent.h"
#include "GameFramework/PlayerController.h"
#include "Kismet/KismetMathLibrary.h"
#include "GameFramework/SpringArmComponent.h"
#include "Misc/App.h"
#include "Engine/World.h"
#include "Bullet.h"
#include "TimerManager.h"
#include "Enemy.h"
#include "Kismet/GameplayStatics.h"
#include "Sound/SoundCue.h"
#include "Particles/ParticleSystemComponent.h"
#include "Particles/ParticleSystem.h"// Sets default values
ASpaceShip::ASpaceShip()
{// Set this pawn to call Tick() every frame.  You can turn this off to improve performance if you don't need it.PrimaryActorTick.bCanEverTick = true;CollisionComp = CreateDefaultSubobject<USphereComponent>(TEXT("CollisionComp"));   RootComponent = CollisionComp;ShipSM = CreateDefaultSubobject<UStaticMeshComponent>(TEXT("ShipSM"));ShipSM->SetupAttachment(RootComponent);SpringArmComp = CreateDefaultSubobject<USpringArmComponent>(TEXT("SpringArmComp"));SpringArmComp->SetupAttachment(RootComponent);CameraComp = CreateDefaultSubobject<UCameraComponent>(TEXT("CameraComp"));CameraComp->SetupAttachment(SpringArmComp);SpawnPoint = CreateDefaultSubobject<USceneComponent>(TEXT("SpawnPoint"));SpawnPoint->SetupAttachment(ShipSM);ThrusterParticleComp = CreateDefaultSubobject<UParticleSystemComponent>(TEXT("ThrusterParticleComp"));ThrusterParticleComp->SetupAttachment(RootComponent);Speed = 2500.0f;TimeBetweenShot = 0.2f;bDead = false;
}// Called when the game starts or when spawned
void ASpaceShip::BeginPlay()
{Super::BeginPlay();PC = Cast<APlayerController>(GetController());PC->bShowMouseCursor = true;}void ASpaceShip::LookAtCursor()
{FVector MouseLocation, MouseDirection;PC->DeprojectMousePositionToWorld(MouseLocation, MouseDirection);FVector TargetLocation = FVector(MouseLocation.X, MouseLocation.Y, GetActorLocation().Z);FRotator Rotator = UKismetMathLibrary::FindLookAtRotation(GetActorLocation(), TargetLocation);SetActorRotation(Rotator);
}void ASpaceShip::MoveUp(float Value)
{if (Value != 0) {bUpMove = true;}else {bUpMove = false;}AddMovementInput(FVector::ForwardVector, Value);
}void ASpaceShip::MoveRight(float Value)
{if (Value != 0) {bRightMove = true;}else {bRightMove = false;}AddMovementInput(FVector::RightVector, Value);
}void ASpaceShip::Move()
{AddActorWorldOffset(ConsumeMovementInputVector() * Speed * FApp::GetDeltaTime(), true);
}void ASpaceShip::Fire()
{if (Bullet && !bDead){FActorSpawnParameters SpawnParams;GetWorld()->SpawnActor<ABullet>(Bullet, SpawnPoint->GetComponentLocation(), SpawnPoint->GetComponentRotation(), SpawnParams);if (ShootCue) UGameplayStatics::PlaySoundAtLocation(this, ShootCue, GetActorLocation());}
}void ASpaceShip::StartFire()
{GetWorldTimerManager().SetTimer(TimerHandle_BetweenShot, this, &ASpaceShip::Fire, TimeBetweenShot, true, 0.0f);
}void ASpaceShip::EndFire()
{GetWorldTimerManager().ClearTimer(TimerHandle_BetweenShot);
}void ASpaceShip::RestartLevel()
{UGameplayStatics::OpenLevel(this, "MainMap");
}void ASpaceShip::OnDeath()
{bDead = true;CollisionComp->SetVisibility(false, true);if (GameOverCue) UGameplayStatics::PlaySoundAtLocation(this, GameOverCue, GetActorLocation());if (ExplosionParticle) UGameplayStatics::SpawnEmitterAtLocation(GetWorld(), ExplosionParticle, GetActorLocation(), FRotator::ZeroRotator, true);GetWorldTimerManager().SetTimer(TimerHandle_Restart, this, &ASpaceShip::RestartLevel, 2.0f, false);
}// Called every frame
void ASpaceShip::Tick(float DeltaTime)
{Super::Tick(DeltaTime);if (!bDead) {if (bRightMove || bUpMove) {ThrusterParticleComp->Activate();}else {ThrusterParticleComp->Deactivate();}LookAtCursor();Move();}else {ThrusterParticleComp->Deactivate();}
}// Called to bind functionality to input
void ASpaceShip::SetupPlayerInputComponent(UInputComponent* PlayerInputComponent)
{Super::SetupPlayerInputComponent(PlayerInputComponent);PlayerInputComponent->BindAxis("MoveUp", this, &ASpaceShip::MoveUp);PlayerInputComponent->BindAxis("MoveRight", this, &ASpaceShip::MoveRight);PlayerInputComponent->BindAction("Fire", IE_Pressed, this, &ASpaceShip::StartFire);PlayerInputComponent->BindAction("Fire", IE_Released, this, &ASpaceShip::EndFire);
}void ASpaceShip::NotifyActorBeginOverlap(AActor* OtherActor)
{Super::NotifyActorBeginOverlap(OtherActor);AEnemy* Enemy = Cast<AEnemy>(OtherActor);if (Enemy) {Enemy->Destroy();UE_LOG(LogTemp, Warning, TEXT("Player is Dead"));OnDeath();//Destroy();}
}

SpaceShip.h

#pragma once#include "CoreMinimal.h"
#include "GameFramework/Pawn.h"
#include "SpaceShip.generated.h"class USphereComponent;
class UCameraComponent;
class USpringArmComponent;
class ABullet;
class USoundCue;UCLASS()
class SPACESHIPBATTLE_API ASpaceShip : public APawn
{GENERATED_BODY()public:// Sets default values for this pawn's propertiesASpaceShip();protected:UPROPERTY(VisibleAnywhere, Category = "Component")USphereComponent* CollisionComp;UPROPERTY(VisibleAnywhere, Category = "Component")UStaticMeshComponent* ShipSM;UPROPERTY(VisibleAnywhere, Category = "Component")UCameraComponent* CameraComp;UPROPERTY(VisibleAnywhere, Category = "Component")USpringArmComponent* SpringArmComp;APlayerController* PC;UPROPERTY(EditAnywhere, Category = "Fire")TSubclassOf<ABullet> Bullet;UPROPERTY(VisibleAnywhere, Category = "Component")USceneComponent* SpawnPoint;UPROPERTY(EditAnywhere, Category = "Move")float Speed;FTimerHandle TimerHandle_BetweenShot;FTimerHandle TimerHandle_Restart;UPROPERTY(EditAnywhere, Category = "Fire")float TimeBetweenShot;UPROPERTY(EditAnywhere, Category = "Souned")USoundCue* GameOverCue;UPROPERTY(EditAnywhere, Category = "Souned")USoundCue* ShootCue;UPROPERTY(VisibleAnywhere, Category = "Component")UParticleSystemComponent* ThrusterParticleComp;UPROPERTY(EditAnywhere, Category = "Particle")UParticleSystem* ExplosionParticle;bool bDead;bool bUpMove;bool bRightMove;// Called when the game starts or when spawnedvirtual void BeginPlay() override;void LookAtCursor();void MoveUp(float Value);void MoveRight(float Value);void Move();void Fire();void StartFire();void EndFire();void RestartLevel();void OnDeath();public:  // Called every framevirtual void Tick(float DeltaTime) override;// Called to bind functionality to inputvirtual void SetupPlayerInputComponent(class UInputComponent* PlayerInputComponent) override;virtual void NotifyActorBeginOverlap(AActor* OtherActor) override;FORCEINLINE bool GetBDead() {return bDead;}
};

Enemy.cpp

#include "Enemy.h"
#include "Components/StaticMeshComponent.h"
#include "Components/SphereComponent.h"
#include "Kismet/GameplayStatics.h"
#include "SpaceShip.h"
#include "Kismet/KismetMathLibrary.h"
#include "ShipGameMode.h"
#include "EnemySpawner.h"
#include "Particles/ParticleSystem.h"// Sets default values
AEnemy::AEnemy()
{// Set this pawn to call Tick() every frame.  You can turn this off to improve performance if you don't need it.PrimaryActorTick.bCanEverTick = true;CollisionComp = CreateDefaultSubobject<USphereComponent>(TEXT("CollisionComp"));RootComponent = CollisionComp;ShipSM = CreateDefaultSubobject<UStaticMeshComponent>(TEXT("ShipSM"));ShipSM->SetupAttachment(RootComponent);
}// Called when the game starts or when spawned
void AEnemy::BeginPlay()
{Super::BeginPlay();SpaceShip = Cast<ASpaceShip>(UGameplayStatics::GetPlayerPawn(this, 0));SetColor();MyGameMode = Cast<AShipGameMode>(UGameplayStatics::GetGameMode(this));TArray<AActor*> EnemySpawnerArray;UGameplayStatics::GetAllActorsOfClass(this, AEnemySpawner::StaticClass(), EnemySpawnerArray);EnemySpawner = Cast<AEnemySpawner>(EnemySpawnerArray[0]);
}void AEnemy::MoveTowardsPlayer(float DeltaTime)
{FVector Direction = (SpaceShip->GetActorLocation() - GetActorLocation()).GetSafeNormal();AddActorWorldOffset(Direction * Speed * DeltaTime, true);SetActorRotation(UKismetMathLibrary::FindLookAtRotation(GetActorLocation(), SpaceShip->GetActorLocation()));
}void AEnemy::OnDeath()
{MyGameMode->IncreaseScore();EnemySpawner->DecreaseEnemyCount();SpawnExplosion();Destroy();
}// Called every frame
void AEnemy::Tick(float DeltaTime)
{Super::Tick(DeltaTime);if (SpaceShip->GetBDead() == false) MoveTowardsPlayer(DeltaTime);
}// Called to bind functionality to input
void AEnemy::SetupPlayerInputComponent(UInputComponent* PlayerInputComponent)
{Super::SetupPlayerInputComponent(PlayerInputComponent);}

Enemy.h

#pragma once#include "CoreMinimal.h"
#include "GameFramework/Pawn.h"
#include "Enemy.generated.h"class USphereComponent;
class ASpaceShip;
class AShipGameMode;
class AEnemySpawner;UCLASS()
class SPACESHIPBATTLE_API AEnemy : public APawn
{GENERATED_BODY()public:// Sets default values for this pawn's propertiesAEnemy();protected:UPROPERTY(VisibleAnywhere, Category = "Component")USphereComponent* CollisionComp;UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "Component")UStaticMeshComponent* ShipSM;// Called when the game starts or when spawnedvirtual void BeginPlay() override;void MoveTowardsPlayer(float DeltaTime);ASpaceShip* SpaceShip;AShipGameMode* MyGameMode;float Speed = 300.0f;AEnemySpawner* EnemySpawner;UFUNCTION(BlueprintImplementableEvent)void SetColor();UFUNCTION(BlueprintImplementableEvent)void SpawnExplosion();UPROPERTY(EditAnywhere, Category = "Particle")UParticleSystem* ExplosionParticle;public:  // Called every framevirtual void Tick(float DeltaTime) override;// Called to bind functionality to inputvirtual void SetupPlayerInputComponent(class UInputComponent* PlayerInputComponent) override;void OnDeath();
};

Bullet.cpp

#include "Bullet.h"
#include "Components/StaticMeshComponent.h"
#include "Components/SceneComponent.h"
#include "GameFramework/ProjectileMovementComponent.h"
#include "Enemy.h"
#include "Engine/BlockingVolume.h"
#include "Kismet/GameplayStatics.h"
#include "EnemySpawner.h"// Sets default values
ABullet::ABullet()
{// 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;RootComp = CreateDefaultSubobject<USceneComponent>(TEXT("RootComp"));RootComponent = RootComp;BulletSM = CreateDefaultSubobject<UStaticMeshComponent>(TEXT("BulletSM"));BulletSM->SetupAttachment(RootComponent);ProjectileMovementComp = CreateDefaultSubobject<UProjectileMovementComponent>(TEXT("ProjectileMovementComp"));
}// Called when the game starts or when spawned
void ABullet::BeginPlay()
{Super::BeginPlay();}// Called every frame
void ABullet::Tick(float DeltaTime)
{Super::Tick(DeltaTime);}void ABullet::NotifyActorBeginOverlap(AActor* OtherActor)
{Super::NotifyActorBeginOverlap(OtherActor);AEnemy* Enemy = Cast<AEnemy>(OtherActor);if (Enemy) {Enemy->OnDeath();Destroy();}else if (Cast<ABlockingVolume>(OtherActor)) {Destroy();}
}

Bullet.h

#pragma once#include "CoreMinimal.h"
#include "GameFramework/Actor.h"
#include "Bullet.generated.h"class UProjectileMovementComponent;UCLASS()
class SPACESHIPBATTLE_API ABullet : public AActor
{GENERATED_BODY()public:    // Sets default values for this actor's propertiesABullet();protected:// Called when the game starts or when spawnedvirtual void BeginPlay() override;UPROPERTY(VisibleAnywhere, Category = "Component")USceneComponent* RootComp;UPROPERTY(VisibleAnywhere, Category = "Component")UStaticMeshComponent* BulletSM;UPROPERTY(VisibleAnywhere, Category = "Component")UProjectileMovementComponent* ProjectileMovementComp;public: // Called every framevirtual void Tick(float DeltaTime) override;virtual void NotifyActorBeginOverlap(AActor* OtherActor) override;
};

ShipGameMode.cpp

#include "ShipGameMode.h"AShipGameMode::AShipGameMode() {Score = 0;
}void AShipGameMode::IncreaseScore()
{Score++;
}

ShipGameMode.h

#pragma once#include "CoreMinimal.h"
#include "GameFramework/GameModeBase.h"
#include "ShipGameMode.generated.h"/*** */
UCLASS()
class SPACESHIPBATTLE_API AShipGameMode : public AGameModeBase
{GENERATED_BODY()protected:AShipGameMode();UPROPERTY(BlueprintReadOnly)int Score;public:void IncreaseScore();};

EnemySpawner.cpp

#include "EnemySpawner.h"
#include "Components/BoxComponent.h"
#include "Kismet/KismetMathLibrary.h"
#include "Kismet/GameplayStatics.h"
#include "SpaceShip.h"
#include "Engine/World.h"
#include "Enemy.h"// Sets default values
AEnemySpawner::AEnemySpawner()
{// 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;SpawnArea = CreateDefaultSubobject<UBoxComponent>(TEXT("SpawnArea"));RootComponent = SpawnArea;SpawnInterval = 2.0f;MaxEnemyNum = 30;CurrentEnemyCount = 0;
}// Called when the game starts or when spawned
void AEnemySpawner::BeginPlay()
{Super::BeginPlay();SpaceShip = Cast<ASpaceShip>(UGameplayStatics::GetPlayerPawn(this, 0));GetWorldTimerManager().SetTimer(TimerHandle_Spawn, this, &AEnemySpawner::SpawnEnemy, SpawnInterval, true, 0.0f);
}FVector AEnemySpawner::GetGenerateLocation()
{float Distance = 0;FVector Location;while (Distance < MininumDistanceToPlayer) {Location = UKismetMathLibrary::RandomPointInBoundingBox(SpawnArea->Bounds.Origin, SpawnArea->Bounds.BoxExtent);Distance = (Location - SpaceShip->GetActorLocation()).Size();}return Location;
}void AEnemySpawner::SpawnEnemy()
{if (SpaceShip->GetBDead() == false && CurrentEnemyCount < MaxEnemyNum) {FActorSpawnParameters SpawnParameters;GetWorld()->SpawnActor<AEnemy>(Enemy, GetGenerateLocation(), FRotator::ZeroRotator, SpawnParameters);CurrentEnemyCount++;}
}// Called every frame
void AEnemySpawner::Tick(float DeltaTime)
{Super::Tick(DeltaTime);}void AEnemySpawner::DecreaseEnemyCount()
{if (CurrentEnemyCount > 0) {CurrentEnemyCount--;UE_LOG(LogTemp, Warning, TEXT("%s"), *FString::SanitizeFloat(CurrentEnemyCount));}
}

EnemySpawner.h

#pragma once#include "CoreMinimal.h"
#include "GameFramework/Actor.h"
#include "EnemySpawner.generated.h"class AEnemy;
class UBoxComponent;
class ASpaceShip;UCLASS()
class SPACESHIPBATTLE_API AEnemySpawner : public AActor
{GENERATED_BODY()public:    // Sets default values for this actor's propertiesAEnemySpawner();protected:// Called when the game starts or when spawnedvirtual void BeginPlay() override;UPROPERTY(EditAnywhere, Category = "Enemy")TSubclassOf<AEnemy> Enemy;UPROPERTY(VisibleAnywhere, Category = "Component")UBoxComponent* SpawnArea;FVector GetGenerateLocation();float MininumDistanceToPlayer = 1200.0f;ASpaceShip* SpaceShip;void SpawnEnemy();FTimerHandle TimerHandle_Spawn;float SpawnInterval;UPROPERTY(EditAnywhere, Category = "Spawn")int MaxEnemyNum;int CurrentEnemyCount;public:  // Called every framevirtual void Tick(float DeltaTime) override;void DecreaseEnemyCount();};

以上就是编写的全部代码了，相关的在UE4中需要进行设置的在此就不再赘述，如有任何问题欢迎与我讨论。整体工程较大（将近1GB），如果你想要的话私聊我，我可以通过邮箱发给你。

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