cirnogodot/Scripts/Components/FSM/Player/PlayerFSMItemUseModule.cs

using System;
using Cirno.Scripts.Resources;
using Godot;

namespace Cirno.Scripts.Components.FSM.Player;

public partial class PlayerFSMItemUseModule : ModuleBase<PlayerState, CharacterBody2D>
{
    public bool Enabled { get; set; } = false;

    public override void EnterState(PlayerState state)
    {
        GD.Print("EnterState");
        Enabled = true;
    }

    public override void ExitState(PlayerState state)
    {
        GD.Print("exitState");
        Enabled = false;
    }

    private IStateMachine<PlayerState, CharacterBody2D> _machine;
    
    public override void Init(IStateMachine<PlayerState, CharacterBody2D> machine)
    {
        InventoryManager.Instance.ItemUsed += this.UseItem;
        _machine = machine;
    }

    private void UseItem(LootItem item, int totalcount)
    {
        if (!Enabled) return;
        GD.Print("Used spiderbomb in player");
        switch (item.Item)
        {
            case ItemTypes.KeycardRed:
                break;
            case ItemTypes.KeycardBlue:
                break;
            case ItemTypes.KeycardGreen:
                break;
            case ItemTypes.Ammo:
                break;
            case ItemTypes.Medkit:
                break;
            case ItemTypes.FrogBomb:
                SpawnSpiderBomb(item);
                break;
            case ItemTypes.Bomb:
                break;
            case ItemTypes.Mine:
                break;
            case ItemTypes.Battery:
                break;
            case ItemTypes.Weapon:
                break;
            case ItemTypes.Power:
                break;
            case ItemTypes.Points:
                break;
            case ItemTypes.Credits:
                break;
            case ItemTypes.KeyItem:
                break;
        }
        
    }

    private void SpawnSpiderBomb(LootItem item)
    {
        //var bullet = item.WeaponData.BulletData.BulletScene.Instantiate<Bullet>();
        //bullet.Initialize(item.WeaponData.BulletData.MakeBullet(this.GlobalPosition, 1,0, 0), GameManager.Instance);
        

        //InventoryManager.Instance.RemoveItem(item.ItemKey, 1);
        // emit projectile
        var bullet = this.CreateChildOf<Bullet>(GameManager.Instance.BulletsContainer, item.WeaponData.BulletData.BulletScene, this.GlobalPosition);

        var bulletData = item.WeaponData.MakeBullet(this.GlobalPosition);

        bullet.Initialize(bulletData, GameManager.Instance);

        //bullet.SetDirection(_facingDirection);
        bullet.Speed = item.WeaponData.BulletData.BulletSpeed;
        
        _machine.SetState(PlayerState.Controlling);
        
        //RequestMovementDisable(true);
        // set camera
        GameManager.Instance.CameraTargetObject(bullet);
        // set event destroy
        bullet.OnDestroy += () =>
        {
            GameManager.Instance.CameraTargetPlayer();
            _machine.SetState(PlayerState.Active);
            //RequestMovementDisable(false);
        };
    }

    public override void Process(double delta)
    {
        
    }

    public override void PhysicsProcess(double delta)
    {
        
    }
}