WeaponBlackholeAction.h

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// Fill out your copyright notice in the Description page of Project Settings.
 
#pragma once
 
#include "CK_UE.h"
#include "Engine/EngineTypes.h"
#include "Projectile/Action/TickableProjectileActionBase.h"
#include "WeaponBlackholeAction.generated.h"
 
class UCurveFloat;
class UWorld;
 
 
USTRUCT(BlueprintType)
struct CK_UE_API FWeaponBlackholeActionContext : public FTickableActionContext
{
    GENERATED_BODY()
 
public:
    FWeaponBlackholeActionContext() = default;
 
    FWeaponBlackholeActionContext(AActor* InAvatar, AProjectileBase* InProjectile, const FVector& InImpactPoint, const float InSpawnAltitude) : Avatar(InAvatar), Projectile(InProjectile), ImpactPoint(InImpactPoint), SpawnAltitude(InSpawnAltitude) { }
 
    FORCEINLINE AActor* GetAvatar() const
    {
        return Avatar.Get();
    }
 
    FORCEINLINE AProjectileBase* GetProjectile() const
    {
        return Projectile.Get();
    }
 
    FORCEINLINE const FVector& GetImpactPoint() const
    {
        return ImpactPoint;
    }
 
    FORCEINLINE float GetSpawnAltitude() const
    {
        return SpawnAltitude;
    }
 
protected:
    UPROPERTY(Transient, BlueprintReadOnly, Category = "WeaponPull")
    TObjectPtr<AActor> Avatar = nullptr;
 
    UPROPERTY(Transient, BlueprintReadOnly, Category = "WeaponPull")
    TObjectPtr<AProjectileBase> Projectile = nullptr;
 
    UPROPERTY(Transient, BlueprintReadOnly, Category = "WeaponPull")
    FVector ImpactPoint = FVector::ZeroVector;
 
    UPROPERTY(Transient, BlueprintReadOnly, Category = "WeaponPull")
    float SpawnAltitude = 0.0f;
};
 
 
UCLASS(EditInlineNew, DefaultToInstanced, BlueprintType, Blueprintable)
class CK_UE_API UWeaponBlackholeAction : public UTickableProjectileActionBase
{
    GENERATED_BODY()
 
public:
    virtual void Enter(const FInstancedStruct& InContext) override;
    virtual void BindProjectile(AProjectileBase* InProjectile) override;
    virtual void Update(float DeltaTime) override;
    virtual void Exit() override;
 
protected:
    void PerformPullAtLocation(const FVector& Center, float Radius, float DeltaTime);
 
private:
    UFUNCTION()
    void OnProjectileCollided(AActor* SelfActor, AActor* OtherActor, FVector NormalImpulse, const FHitResult& Hit);
 
protected:
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "WeaponPull")
    TObjectPtr<UCurveFloat> PullRadiusCurve = nullptr;
 
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "WeaponPull", meta = (ClampMin = "0.0"))
    float DefaultPullRadius = 400.0f;
 
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "WeaponPull")
    float PullStrength = 900.0f;
 
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "WeaponPull", meta = (ClampMin = "0.0"))
    float PullInterpSpeed = 3.0f;
 
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "WeaponPull")
    TEnumAsByte<ECollisionChannel> PullOverlapChannel = ECC_Pawn;
 
private:
    FVector CachedImpactPoint = FVector::ZeroVector;
    FVector CachedGroundPosition = FVector::ZeroVector;
    float CachedSpawnAltitude = 0.0f;
 
    TWeakObjectPtr<UWorld> CachedWorld;
    TWeakObjectPtr<AActor> CachedAvatar;
    TWeakObjectPtr<AProjectileBase> CachedProjectile;
};