DHCharacter.h

// Copyright 2015 Dirt Productions. All rights reserved.

#pragma once

#include "GameFramework/Character.h"
#include "DistantHome.h"
#include "Public/Items/Weapons/ProjectileWeapons/DHProjectileWeapon.h"
#include "Public/Gameplay/Infos/DHPlayerInfo.h"
#include "Public/Gameplay/Utility/DHUtility.h"
#include "DHCharacter.generated.h"

UCLASS()
class DISTANTHOME_API ADHCharacter : public ACharacter
{
    GENERATED_BODY()

    //** VARIABLES **//
public:
    UPROPERTY()
        // Base control rate for rate-based view control
        float ViewRate;

    UPROPERTY()
        // Walking speed
        float WalkingSpeed;

    UPROPERTY()
        // Sprinting speed - default walk speed
        float AdditiveSprintingSpeed;

    UPROPERTY()
        // Player information
        FPlayerData PlayerData;

protected:
    UPROPERTY()
        // True if moving, otherwise false
        bool bIsMoving;

    UPROPERTY()
        // True if moving forward, otherwise false
        bool bIsMovingForward;

    UPROPERTY()
        // True if in air, otherwise false
        bool bIsAirborne;

    UPROPERTY()
        // True if sprinting, otherwise false
        bool bIsSprinting;

    UPROPERTY()
        // True if receiving sprint input, otherwise false
        bool bWantsToSprint;

    UPROPERTY()
        // True if firing, otherwise false
        bool bIsFiring;

    UPROPERTY()
        // True if receiving fire input, otherwise false
        bool bWantsToFire;

    UPROPERTY()
        // True if crouching, otherwise false
        bool bIsCrouching;

    UPROPERTY()
        // True if receiving crouch input, otherwise false
        bool bWantsToCrouch;

    UPROPERTY()
        // True if aiming, otherwise false
        bool bIsAiming;

    UPROPERTY()
        // True if receiving aim input, otherwise false
        bool bWantsToAim;

    UPROPERTY()
        // True if reloading, otherwise false
        bool bIsReloading;

    UPROPERTY()
        // True if receiving reload input, otherwise false
        bool bWantsToReload;

    UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "Character|Components")
        // First person camera component
        UCameraComponent* FirstPersonCamera;

    UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "Character|Components")
        // Orbit camera component
        UCameraComponent* OrbitViewCamera;

    UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "Character|Components")
        // Spring arm component
        USpringArmComponent* OrbitSpringArm;
private:
    UPROPERTY()
        // True to call OnStartSprint() on next tick, otherwise false
        bool bSprintOnNextTick;

    UPROPERTY()
        // True if first fire, otherwise false
        bool bIsFirstFire;

    //** FUNCTIONS **//
public:
    // Sets default values for this character's properties
    ADHCharacter(const FObjectInitializer& ObjectInitializer);

    // Called when the game starts or when spawned
    virtual void BeginPlay() override;

    // Called every frame
    virtual void Tick( float DeltaSeconds ) override;

    // Called to bind functionality to input
    virtual void SetupPlayerInputComponent(class UInputComponent* InputComponent) override;

    UFUNCTION(BlueprintCallable, Category = "Character")
        // Get firing state
        bool IsFiring() const;

    UFUNCTION(BlueprintCallable, Category = "Character")
        // Get sprinting state
        bool IsSprinting() const;

    UFUNCTION(BlueprintCallable, Category = "Character")
        // Get crouching state
        bool IsCrouching() const;

    UFUNCTION(BlueprintCallable, Category = "Character")
        // Get aiming state
        bool IsAiming() const;

    UFUNCTION(BlueprintCallable, Category = "Character")
        // Get moving state
        bool IsMoving() const;

    UFUNCTION(BlueprintCallable, Category = "Character|Damage")
        // Check if character is alive
        bool IsAlive() const;

    UFUNCTION(BlueprintCallable, Category = "Character|Weapon|Control")
        /**
         * Check if character meets the requirements to fire
         * @param bCheckMovement : true to check movement, otherwise false
         * @param bFalseIfFiring : true to account for current fire state, otherwise false
         */
        bool CanFire(bool bCheckMovement, bool bFalseIfFiring) const;

    UFUNCTION(BlueprintCallable, Category = "Character|Weapon")
        // Gets instance of weapon from EWeaponSlot
        ADHWeapon* GetWeaponInstance(EWeaponSlot SlotToGet);
protected:
    UFUNCTION(BlueprintCallable, Category = "Character|Movement|Basic")
        // Handles X axis movement
        void MoveForward(float Value);

    UFUNCTION(BlueprintCallable, Category = "Character|Movement|Basic")
        // Hanldes Y axis movement
        void MoveRight(float Value);

    UFUNCTION(BlueprintCallable, Category = "Character|View")
        // Handles mouse yaw
        void Turn(float Value);

    UFUNCTION(BlueprintCallable, Category = "Character|View")
        // Handles mouse pitch
        void LookUp(float Value);

    UFUNCTION(BlueprintCallable, Category = "Character|View")
        // Handles stick yaw
        void TurnAtRate(float Value);

    UFUNCTION(BlueprintCallable, Category = "Character|View")
        // Handles stick pitch
        void LookUpAtRate(float Value);

    UFUNCTION()
        // Called when MoveBackward released
        void OnStopMovingBackward();

    UFUNCTION(BlueprintCallable, Category = "Character|Movement|Advanced")
        // Called when jump pressed
        void OnStartJumping();

    UFUNCTION(BlueprintCallable, Category = "Character|Movement|Advanced")
        // Called when sprint pressed
        void OnStartSprinting();

    UFUNCTION(BlueprintCallable, Category = "Character|Movement|Advanced")
        // Called when sprint released
        void OnStopSprinting();

    UFUNCTION(BlueprintCallable, Category = "Character|Movement|Advanced")
        // Called when crouch pressed
        void OnStartCrouching();

    UFUNCTION(BlueprintCallable, Category = "Character|Movement|Advanced")
        // Called when crouch released
        void OnStopCrouching();

    UFUNCTION(BlueprintCallable, Category = "Character|Movement|Advanced")
        // Called when aim pressed
        void OnStartAiming();

    UFUNCTION(BlueprintCallable, Category = "Character|Movement|Advanced")
        // Called when aim released
        void OnStopAiming();

    UFUNCTION(BlueprintCallable, Category = "Character|Weapon|Control")
        // Called when fire pressed
        void OnStartFiring();

    UFUNCTION(BlueprintCallable, Category = "Character|Weapon|Control")
        // Called when fire released
        void OnStopFiring();

    UFUNCTION(BlueprintCallable, Category = "Character|Weapon|Control")
        // Calculates bullet spread, fires line trace, then spawns projectile to calculated destination
        void FireWeapon(EWeaponSlot WeaponToFire);

    UFUNCTION(BlueprintCallable, Category = "Character|Weapon|Control")
        // Fires current weapon
        void FireCurrentWeapon();

    UFUNCTION(BlueprintCallable, Category = "Character|Weapon|Switch")
        /**
         * Equips weapon from inventory
         * @param WeaponToEquip : Desired EWeaponSlot Value
         */
        void EquipWeapon(EWeaponSlot WeaponToEquip);

    UFUNCTION(BlueprintCallable, Category = "Character|Weapon|Switch")
        /**
         * Called when weapon changed
         * @param PreviousWeapon : Previous weapon as EWeaponSlot
         */
        void OnWeaponChanged(EWeaponSlot PreviousWeapon);

    UFUNCTION(BlueprintCallable, Category = "Character|Weapon|Control")
        /**
         * Reloads weapon
         * @param WeaponToReload : EWeaponSlot value of desired weapon
         */
        void ReloadWeapon(EWeaponSlot WeaponToReload);

    UFUNCTION(BlueprintCallable, Category = "Character|Weapon|Control")
        // Called when reload pressed
        void OnStartReloading();

    UFUNCTION(BlueprintCallable, Category = "Character|Weapon|Control")
        // Called when reload released
        void OnStopReloading();

    UFUNCTION(BlueprintCallable, Category = "Character|Weapon")
        /**
         * Spawns new weapon then adds to inventory
         * @param WeaponToSpawn : Weapon to spawn
         * @param SlotToUse : Slot to add weapon to
         */
        void MakeWeapon(ADHWeapon* WeaponToSpawn, EWeaponSlot SlotToUse);

    UFUNCTION(BlueprintCallable, Category = "Character|Weapon")
        /**
         * Gets fire delay of EWeaponSlot value
         * @param WeaponToGet : EWeaponSlot value of desired weapon
         */
        float GetWeaponFireDelay(EWeaponSlot WeaponToGet);

    UFUNCTION(BlueprintCallable, Category = "Character|Weapon")
        // Gets fire delay of current weapon
        float GetCurrentFireDelay();

    UFUNCTION(BlueprintCallable, Category = "Character|Weapon|Switch")
        // Handles SwitchWeapon axis input
        void OnSwitchWeaponAxis(float Value);

    UFUNCTION(BlueprintCallable, Category = "Character|Weapon|Switch")
        // Handles PrimaryWeapon switch input
        void OnSwitchToPrimary();

    UFUNCTION(BlueprintCallable, Category = "Character|Weapon|Switch")
        // Handles SecondaryWeapon switch input
        void OnSwitchToSecondary();

    UFUNCTION(BlueprintCallable, Category = "Character|Weapon|Switch")
        // Handles MeleeWeapon switch input
        void OnSwitchToMelee();

    UFUNCTION(BlueprintCallable, Category = "Character|Weapon|Switch")
        // Handles MeleeWeaponUse input
        void OnUseMelee();

    UFUNCTION(BlueprintCallable, Category = "Character|Weapon|Switch")
        // Handles SpecialWeapon switch input
        void OnSwitchToSpecial();

    UFUNCTION(BlueprintCallable, Category = "Character|Weapon|Switch")
        // Handles SpecialWeaponUse input
        void OnUseSpecial();

    UFUNCTION(BlueprintCallable, Category = "Character")
        // Updates camera view and misc. properties
        void UpdateCameraView();
};