cirnogodot/Scripts/Components/FSM/Boss/3D/BossScriptHostModule3D.cs

using System.Threading.Tasks;
using Cirno.Scripts.AttackPatterns;
using Cirno.Scripts.Components.Actors;
using Cirno.Scripts.Components.FSM.Enemy._3D;
using Cirno.Scripts.Controllers;
using Cirno.Scripts.Enums;
using Cirno.Scripts.Resources;
using Cirno.Scripts.Resources.ScriptableBullets;
using Godot;

namespace Cirno.Scripts.Components.FSM.Boss._3D;

public partial class BossScriptHostModule3D : ModuleBase<EnemyState, CharacterBody3D>, IScriptHost3D
{
    [Export] public BossScript BossScript { get; set; }
    
    [Export]
    public EnemyStorage3D StorageModule { get; private set; }

    [Export] public DamageReceiver3D  DamageReceiver { get; private set; }
    
    public Node3D ParentObject => _machine.MainObject;
    public Vector3 HomePosition => StorageModule.HomePosition;
    
    private IStateMachine<EnemyState, CharacterBody3D> _machine;
    
    private int _currentPhaseIndex = 0;
    private BossPhase CurrentPhase => BossScript.Phases[_currentPhaseIndex];
    private bool _waiting = false;
    public float CurrentHealth => DamageReceiver.HealthProvider.CurrentResource;
    
    
    
    public void ChangeSpriteDirection(Vector2 direction)
    {
        
    }

    public override void EnterState(EnemyState state)
    {
        DamageReceiver.ChangeState(true);
        DamageReceiver.HealthProvider.ResourceDepleted += HealthProviderOnResourceDepleted;

        StartPhase(CurrentPhase);
    }

    public override void ExitState(EnemyState state)
    {
        DamageReceiver.HealthProvider.ResourceDepleted -= HealthProviderOnResourceDepleted;

        DamageReceiver.ChangeState(false);
    }

    public override void Init(IStateMachine<EnemyState, CharacterBody3D> machine)
    {
        _machine = machine;
        
        if (StorageModule.Root.EnemyResource.BossScript is not null)
        {
            this.BossScript = StorageModule.Root.EnemyResource.BossScript;
        }
    }
    
    private void HealthProviderOnResourceDepleted()
    {
        _machine.SetState(EnemyState.Dead);
    }

    public override void Process(double delta)
    {
        if (_waiting) return;
        CurrentPhase.UpdatePhase(delta);

        if (CurrentHealth <= CurrentPhase.Threshold && _currentPhaseIndex + 1 < BossScript.Phases.Count)
        {
            _currentPhaseIndex++;
            //_bossHud.SpellCardName = CurrentPhase.PhaseName;
            StartPhase(CurrentPhase);
        }
    }

    public override void PhysicsProcess(double delta)
    {
        
    }
    
    private void StartPhase(BossPhase phase)
    {
        PoolingManager.Instance.ClearBullets();
        //GameController.Instance.ClearBullets();
        if (phase.PlayAnimation)
        {
            _waiting = true;

            DamageReceiver.ChangeState(false);
            _ = SwitchPhase(phase);
        }
        else
        {
            phase.Start(this);
        }
    }

    private async Task SwitchPhase(BossPhase phase)
    {
        await PlayAnimation();

        _waiting = false;
        DamageReceiver.ChangeState(true);
        phase.Start(this);
    }

    private async Task PlayAnimation()
    {
        await Task.Delay(1000);
    }
}