150 lines
4.9 KiB
C++
150 lines
4.9 KiB
C++
// Fill out your copyright notice in the Description page of Project Settings.
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#pragma once
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#include "CoreMinimal.h"
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#include "BulletHitInterface.h"
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#include "GameFramework/Character.h"
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#include "Enemy.generated.h"
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class UParticleSystem;
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class USoundCue;
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class UAnimMontage;
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class UBehaviorTree;
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class AEnemyController;
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class USphereComponent;
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UCLASS()
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class SHOOTER_API AEnemy : public ACharacter, public IBulletHitInterface
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{
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GENERATED_BODY()
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public:
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// Sets default values for this character's properties
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AEnemy();
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protected:
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// Called when the game starts or when spawned
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virtual void BeginPlay() override;
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UFUNCTION(BlueprintNativeEvent)
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void ShowHealthBar();
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void ShowHealthBar_Implementation();
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UFUNCTION(BlueprintImplementableEvent)
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void HideHealthBar();
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void Die();
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void PlayHitMontage(FName Section, float PlayRate = 1.0f);
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void ResetHitReactTimer();
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UFUNCTION(BlueprintCallable)
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void StoreHitNumber(UUserWidget* HitNumber, FVector Location);
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UFUNCTION()
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void DestroyHitNumber(UUserWidget* HitNumber);
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void UpdateHitNumbers();
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/** Called when something overlaps with the agro sphere */
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UFUNCTION()
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void AgroSphereOverlap(UPrimitiveComponent* OverlappedComponent, AActor* OtherActor,
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UPrimitiveComponent* OtherComp, int32 OtherBodyIndex, bool bFromSweep,
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const FHitResult& SweepResult);
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UFUNCTION(BlueprintCallable)
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void SetStunned(bool Stunned);
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private:
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/** Particles to spawn when hit by bullets */
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = Combat, meta = (AllowPrivateAccess = true))
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UParticleSystem* ImpactParticles;
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/** Sound to play when hit by bullets */
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = Combat, meta = (AllowPrivateAccess = true))
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USoundCue* ImpactSound;
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/** Current health */
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UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = Combat, meta = (AllowPrivateAccess = true))
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float Health;
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = Combat, meta = (AllowPrivateAccess = true))
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float MaxHealth;
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/** Name of the head bone */
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = Combat, meta = (AllowPrivateAccess = true))
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FString HeadBone;
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/** Time to display health bar once shot */
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = Combat, meta = (AllowPrivateAccess = true))
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float HealthBarDisplayTime;
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FTimerHandle HealthBarTimer;
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/** Montage containing Hit and Death animations */
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = Combat, meta = (AllowPrivateAccess = true))
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UAnimMontage* HitMontage;
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FTimerHandle HitReactTimer;
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = Combat, meta = (AllowPrivateAccess = true))
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float HitReactTimeMin;
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = Combat, meta = (AllowPrivateAccess = true))
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float HitReactTimeMax;
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bool bCanHitReact;
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/** Map to store HitNumber widgets and their hit locations */
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UPROPERTY(VisibleAnywhere, Category = Combat, meta = (AllowPrivateAccess = true))
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TMap<UUserWidget*, FVector> HitNumbers;
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/** Time before a hit number is removed from the screen */
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = Combat, meta = (AllowPrivateAccess = true))
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float HitNumberDestroyTime;
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/** Behavior tree for the AI Character */
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UPROPERTY(EditAnywhere, Category = "Behavior Tree", meta = (AllowPrivateAccess = true))
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UBehaviorTree* BehaviorTree;
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/** Point for the enemy to move to */
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UPROPERTY(EditAnywhere, Category = "Behavior Tree", meta = (AllowPrivateAccess = true, MakeEditWidget = true))
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FVector PatrolPoint;
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/** 2nd Point for the enemy to move to */
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UPROPERTY(EditAnywhere, Category = "Behavior Tree", meta = (AllowPrivateAccess = true, MakeEditWidget = true))
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FVector PatrolPoint2;
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AEnemyController* EnemyController;
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/** Overlap sphere for when the enemy becomes hostile */
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Behavior Tree", meta = (AllowPrivateAccess = true))
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USphereComponent* AgroSphere;
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/** True when playing the get hit animation */
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UPROPERTY(VisibleAnywhere, BlueprintReadWrite, Category = Combat, meta = (AllowPrivateAccess = true))
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bool bStunned;
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/** Chance of being stunned. 0: no stun chance, 1: 100% stun chance */
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = Combat, meta = (AllowPrivateAccess = true))
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float StunChance;
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public:
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// Called every frame
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virtual void Tick(float DeltaTime) override;
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// Called to bind functionality to input
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virtual void SetupPlayerInputComponent(class UInputComponent* PlayerInputComponent) override;
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virtual void BulletHit_Implementation(FHitResult HitResult) override;
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virtual float TakeDamage(float DamageAmount, FDamageEvent const& DamageEvent, AController* EventInstigator, AActor* DamageCauser) override;
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FORCEINLINE FString GetHeadBone() const { return HeadBone; }
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UFUNCTION(BlueprintImplementableEvent)
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void ShowHitNumber(int32 Damage, FVector HitLocation, bool bHeadshot);
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FORCEINLINE UBehaviorTree* GetBehaviorTree() const { return BehaviorTree; }
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};
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