cirnogodot/Scripts/InventoryManager.cs

using Godot;
using System;
using System.Collections.Generic;
using System.Linq;
using Cirno.Scripts;
using Cirno.Scripts.Resources;

public partial class InventoryManager : Node2D
{
	public bool RedKeycard { get; set; }
	
	private List<LootItem> _items = new List<LootItem>();

	[Signal]
	public delegate void ItemAddedEventHandler(LootItem item);
	
	[Signal]
	public delegate void ItemRemovedEventHandler(LootItem item);
	
	// Called when the node enters the scene tree for the first time.
	public override void _Ready()
	{
	}

	// Called every frame. 'delta' is the elapsed time since the previous frame.
	public override void _Process(double delta)
	{
	}

	public bool HasItems(List<ItemTypes> items)
	{
		return items.Aggregate(false, (current, item) => current || HasItem(item));
	}
	
	public bool HasItem(ItemTypes type)
	{
		return _items.Any(x => x.Item == type && x.Amount > 0);
	}
	
	public bool AddItem(ItemTypes type, int amount = 1)
	{
		var item = new LootItem() { Item = type, Amount = amount };
		_items.Add(item);
		GD.Print($"Added {type} x{amount}");
		EmitSignal(nameof(ItemAdded), item);
		// switch (type)
		// {
		// 	// case ItemTypes.KeycardRed:
		// 	// 	RedKeycard = true;
		// 	// 	GD.Print($"Red Keycard x{amount}");
		// 	// 	break;
		// 	// case ItemTypes.KeycardBlue:
		// 	// 	GD.Print($"Blue Keycard x{amount}");
		// 	// 	break;
		// 	// case ItemTypes.KeycardGreen:
		// 	// 	GD.Print($"Green Keycard x{amount}");
		// 	// 	break;
		// 	// case ItemTypes.Ammo:
		// 	// 	GD.Print($"Ammo x{amount}");
		// 	// 	break;
		// 	// case ItemTypes.Medkit:
		// 	// 	GD.Print($"Medkit x{amount}");
		// 	// 	break;
		// 	// case ItemTypes.CrabBomb:
		// 	// 	GD.Print($"CrabBomb x{amount}");
		// 	// 	break;
		// 	// case ItemTypes.Bomb:
		// 	// 	GD.Print($"Bomb x{amount}");
		// 	// 	break;
		// 	// case ItemTypes.Mine:
		// 	// 	GD.Print($"Mine x{amount}");
		// 	// 	break;
		// 	// case ItemTypes.Battery:
		// 	// 	GD.Print($"Battery x{amount}");
		// 	// 	break;
		// 	// default:
		// 	// 	return false;
		// }

		return true; // TODO: Return false if could not be added
	}
	
	public void AddRedKeycard()
	{
		RedKeycard = true;
	}

	public void RemoveRedKeycard()
	{
		RedKeycard = false;
	}
}