init

Source/AudioVideoRecord/Variant_Shooter/ShooterCharacter.h

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+// Copyright Epic Games, Inc. All Rights Reserved.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "AudioVideoRecordCharacter.h"
+#include "ShooterWeaponHolder.h"
+#include "ShooterCharacter.generated.h"
+
+class AShooterWeapon;
+class UInputAction;
+class UInputComponent;
+class UPawnNoiseEmitterComponent;
+
+DECLARE_DYNAMIC_MULTICAST_DELEGATE_TwoParams(FBulletCountUpdatedDelegate, int32, MagazineSize, int32, Bullets);
+DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FDamagedDelegate, float, LifePercent);
+
+/**
+ *  A player controllable first person shooter character
+ *  Manages a weapon inventory through the IShooterWeaponHolder interface
+ *  Manages health and death
+ */
+UCLASS(abstract)
+class AUDIOVIDEORECORD_API AShooterCharacter : public AAudioVideoRecordCharacter, public IShooterWeaponHolder
+{
+	GENERATED_BODY()
+	
+	/** AI Noise emitter component */
+	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category="Components", meta = (AllowPrivateAccess = "true"))
+	UPawnNoiseEmitterComponent* PawnNoiseEmitter;
+
+protected:
+
+	/** Fire weapon input action */
+	UPROPERTY(EditAnywhere, Category ="Input")
+	UInputAction* FireAction;
+
+	/** Switch weapon input action */
+	UPROPERTY(EditAnywhere, Category ="Input")
+	UInputAction* SwitchWeaponAction;
+
+	/** Name of the first person mesh weapon socket */
+	UPROPERTY(EditAnywhere, Category ="Weapons")
+	FName FirstPersonWeaponSocket = FName("HandGrip_R");
+
+	/** Name of the third person mesh weapon socket */
+	UPROPERTY(EditAnywhere, Category ="Weapons")
+	FName ThirdPersonWeaponSocket = FName("HandGrip_R");
+
+	/** Max distance to use for aim traces */
+	UPROPERTY(EditAnywhere, Category ="Aim", meta = (ClampMin = 0, ClampMax = 100000, Units = "cm"))
+	float MaxAimDistance = 10000.0f;
+
+	/** Max HP this character can have */
+	UPROPERTY(EditAnywhere, Category="Health")
+	float MaxHP = 500.0f;
+
+	/** Current HP remaining to this character */
+	float CurrentHP = 0.0f;
+
+	/** Team ID for this character*/
+	UPROPERTY(EditAnywhere, Category="Team")
+	uint8 TeamByte = 0;
+
+	/** List of weapons picked up by the character */
+	TArray<AShooterWeapon*> OwnedWeapons;
+
+	/** Weapon currently equipped and ready to shoot with */
+	TObjectPtr<AShooterWeapon> CurrentWeapon;
+
+	UPROPERTY(EditAnywhere, Category ="Destruction", meta = (ClampMin = 0, ClampMax = 10, Units = "s"))
+	float RespawnTime = 5.0f;
+
+	FTimerHandle RespawnTimer;
+
+public:
+
+	/** Bullet count updated delegate */
+	FBulletCountUpdatedDelegate OnBulletCountUpdated;
+
+	/** Damaged delegate */
+	FDamagedDelegate OnDamaged;
+
+public:
+
+	/** Constructor */
+	AShooterCharacter();
+
+protected:
+
+	/** Gameplay initialization */
+	virtual void BeginPlay() override;
+
+	/** Gameplay cleanup */
+	virtual void EndPlay(EEndPlayReason::Type EndPlayReason) override;
+
+	/** Set up input action bindings */
+	virtual void SetupPlayerInputComponent(UInputComponent* InputComponent) override;
+
+public:
+
+	/** Handle incoming damage */
+	virtual float TakeDamage(float Damage, struct FDamageEvent const& DamageEvent, AController* EventInstigator, AActor* DamageCauser) override;
+
+public:
+
+	/** Handles start firing input */
+	UFUNCTION(BlueprintCallable, Category="Input")
+	void DoStartFiring();
+
+	/** Handles stop firing input */
+	UFUNCTION(BlueprintCallable, Category="Input")
+	void DoStopFiring();
+
+	/** Handles switch weapon input */
+	UFUNCTION(BlueprintCallable, Category="Input")
+	void DoSwitchWeapon();
+
+public:
+
+	//~Begin IShooterWeaponHolder interface
+
+	/** Attaches a weapon's meshes to the owner */
+	virtual void AttachWeaponMeshes(AShooterWeapon* Weapon) override;
+
+	/** Plays the firing montage for the weapon */
+	virtual void PlayFiringMontage(UAnimMontage* Montage) override;
+
+	/** Applies weapon recoil to the owner */
+	virtual void AddWeaponRecoil(float Recoil) override;
+
+	/** Updates the weapon's HUD with the current ammo count */
+	virtual void UpdateWeaponHUD(int32 CurrentAmmo, int32 MagazineSize) override;
+
+	/** Calculates and returns the aim location for the weapon */
+	virtual FVector GetWeaponTargetLocation() override;
+
+	/** Gives a weapon of this class to the owner */
+	virtual void AddWeaponClass(const TSubclassOf<AShooterWeapon>& WeaponClass) override;
+
+	/** Activates the passed weapon */
+	virtual void OnWeaponActivated(AShooterWeapon* Weapon) override;
+
+	/** Deactivates the passed weapon */
+	virtual void OnWeaponDeactivated(AShooterWeapon* Weapon) override;
+
+	/** Notifies the owner that the weapon cooldown has expired and it's ready to shoot again */
+	virtual void OnSemiWeaponRefire() override;
+
+	//~End IShooterWeaponHolder interface
+
+protected:
+
+	/** Returns true if the character already owns a weapon of the given class */
+	AShooterWeapon* FindWeaponOfType(TSubclassOf<AShooterWeapon> WeaponClass) const;
+
+	/** Called when this character's HP is depleted */
+	void Die();
+
+	/** Called to allow Blueprint code to react to this character's death */
+	UFUNCTION(BlueprintImplementableEvent, Category="Shooter", meta = (DisplayName = "On Death"))
+	void BP_OnDeath();
+
+	/** Called from the respawn timer to destroy this character and force the PC to respawn */
+	void OnRespawn();
+};