ZeroVR/ZeroPacientVR/Assets/Scripts/Npc/NpcCombatParazit.cs

using System.Collections;
using FMODUnity;
using HurricaneVR.Framework.Components;
using NodeCanvas.Framework;
using UnityEngine;
using Zero;
using Random = UnityEngine.Random;

public class NpcCombatParazit : NpcCombatAbstract
{
    [SerializeField] private Animator animator;

    [SerializeField] private float health = 20;
    [SerializeField] private float cooldownTimeAttack = 2f;
    [SerializeField] private float cooldownTimeAggressiveAnim = 2f;
    [SerializeField] private ExtGunBase weapon;
    [SerializeField] private GameObject explosionPrefab;
    [SerializeField] private EventReference attackClip;
    [SerializeField] private EventReference aggressiveClip;
    [SerializeField] private Dissolver dissolver;
    
    private bool isAggressiveAnimState;
    private bool isAttackAnimState;
    
    private float nextTime;
    private float nextTimeAggressive;
    
    private static readonly int AttackAnim = Animator.StringToHash("Attack");
    private static readonly int AggressiveAnim = Animator.StringToHash("Aggressive");
    private static readonly int IdleIdAnim = Animator.StringToHash("IdleId");
    
    private Status status;
    private Status nextStatus;

    private Transform targetToAim;
    private bool isRange;

    public override Status ResetCooldown()
    {
        nextTime = cooldownTimeAttack;
        return Status.Success;
    }

    public override Status UpdateTime()
    {
        nextTime += Time.deltaTime;
        nextTimeAggressive += Time.deltaTime;
        UpdateCombatTime();
        return Status.Success;
    }

    public override Status Attack(GameObject target, bool isRange)
    {
        SetCombatState();
        StartCoroutine(AttackState(target.transform, isRange));
        return status;
    }
    
    public override Status Aggressive()
    {
        IsAggressiveMode = true;
        StartCoroutine(PlayAggressiveAnim());
        return status;
    }

    public override Status GetAttackStatus()
    {
        if (nextTime < cooldownTimeAttack) return Status.Running;
        return Status.Success;
    }

    public override float GetHealth()
    {
        return health;
    }

    IEnumerator PlayAggressiveAnim()
    {
        if (status == Status.Running)
        {
            yield break;    
        }
        
        if (!isAggressiveAnimState)
        {
            status = Status.Running;
            yield return null;
            isAggressiveAnimState = true;
            animator.SetTrigger(AggressiveAnim);
            if (!aggressiveClip.IsNull) RuntimeManager.PlayOneShot(aggressiveClip, transform.position);
            yield return null;
            yield return new WaitForSeconds(1f);
            status = Status.Success;
        }

        if (nextTimeAggressive >= cooldownTimeAggressiveAnim)
        {
            nextTimeAggressive = 0;
            isAggressiveAnimState = false;
        }

        yield return null;
    }
    
    IEnumerator AttackState(Transform target, bool isRange)
    {
        if ((!isAggressiveAnimState && IsAggressiveMode) || status == Status.Running)
        {
            yield break;    
        }

        if (nextTime >= cooldownTimeAttack)
        {
            targetToAim = target;
            status = Status.Running;
            this.isRange = isRange;
            animator.SetTrigger(AttackAnim);
            
            yield return new WaitUntil(() => targetToAim == null);
            status = Status.Success;
            nextTime = 0;
            animator.SetInteger(IdleIdAnim, Random.Range(0, 2));
        }
        
        yield return null;
    }

    private void UpdateAim(Transform target)
    {
        var playerTarget = target.GetComponent<PlayerTargetPosition>();
        if (playerTarget)
        {
            target = playerTarget.GetTarget();
        }
        weapon.transform.LookAt(target);
    }

    public void OnHit(HVRDamageProvider damageProvider, RaycastHit hit)
    {
        health -= damageProvider.Damage;
        
        if(health <= 0)
        {
            health = 0;
            if(explosionPrefab)
            {
                var explosion = Instantiate(explosionPrefab, transform.position, Quaternion.identity);
                Destroy(explosion, 2f);
                explosionPrefab = null;
            }
            if (dissolver) dissolver.Enabled();
            Destroy(gameObject, 2f);
        }
        else
        {
            SetCombatState();
        }
    }

    public void AnimAttackCallback()
    {
        UpdateAim(targetToAim);
        if (isRange)
        {
            weapon.CallShoot();
            if (!attackClip.IsNull) RuntimeManager.PlayOneShot(attackClip, transform.position);
        }
        else
        {
            
        }

        targetToAim = null;
        isRange = false;
    }

    
}