blaster/Source/Blaster/Weapon/Projectile.h

// Fill out your copyright notice in the Description page of Project Settings.

#pragma once

#include "CoreMinimal.h"
#include "GameFramework/Actor.h"
#include "Particles/ParticleSystemComponent.h"
#include "Projectile.generated.h"

UCLASS()
class BLASTER_API AProjectile : public AActor
{
	GENERATED_BODY()
	
public:	
	AProjectile();
	virtual void Tick(float DeltaTime) override;

	// Used with server-side rewind
	bool bUseServerSideRewind = false;
	FVector_NetQuantize TraceStart;
	FVector_NetQuantize100 InitialVelocity;

	UPROPERTY(EditAnywhere)
	float InitialSpeed = 25000;

	// SSR will get Damage directly from the weapon
	// Non SSR, Damage will be set from the weapon
	// Only set this for Grenades and Rockets
	UPROPERTY(EditAnywhere)
	float Damage = 20.f;

	// SSR will get Damage directly from the weapon
	// Non SSR, Damage will be set from the weapon
	// Doesn't matter for Grenades and rockets
	UPROPERTY(EditAnywhere)
	float HeadShotDamage = 40.f;
	
protected:
	virtual void BeginPlay() override;
	void StartDestroyTimer();
	void DestroyTimerFinished();
	void SpawnTrailSystem();
	void ExplodeDamage();
	
	UFUNCTION()
	virtual void OnHit(UPrimitiveComponent* HitComp, AActor* OtherActor, UPrimitiveComponent* OtherComp, FVector NormalImpulse, const FHitResult& Hit);
	virtual void Destroyed() override;

	UPROPERTY(EditAnywhere)
	class UParticleSystem* ImpactParticles;

	UPROPERTY(EditAnywhere)
	class USoundCue* ImpactSound;
	
	UPROPERTY(EditAnywhere)
	class UBoxComponent* CollisionBox;
	
	UPROPERTY(VisibleAnywhere)
	class UProjectileMovementComponent* ProjectileMovementComponent;

	UPROPERTY(EditAnywhere)
	class UNiagaraSystem* TrailSystem;

	UPROPERTY()
	class UNiagaraComponent* TrailSystemComponent;
	
	UPROPERTY(VisibleAnywhere)
	UStaticMeshComponent* ProjectileMesh;

	UPROPERTY(EditAnywhere)
	float DamageInnerRadius = 200.f;
	
	UPROPERTY(EditAnywhere)
	float DamageOuterRadius = 500.f;
	
private:	
	
	UPROPERTY(EditAnywhere)
	class UParticleSystem* Tracer;

	UPROPERTY()
	class UParticleSystemComponent* TracerComponent;

	FTimerHandle DestroyTimer;

	UPROPERTY(EditAnywhere)
	float DestroyTime = 3.f;
};