using System.Collections.Generic;
using Godot;
using Godot.Collections;

namespace Core;

/// <summary>
///     资源集合（便于打包多个定义到一个 .tres）
/// </summary>
[GlobalClass]
public partial class ContentCollectionResource : Resource, IContentResourceCollection {
	/// <summary>
	///     资源列表
	/// </summary>
	[Export]
    public Array<Resource> Items { get; set; } = new();

	/// <summary>
	///     获取资源项
	/// </summary>
	/// <returns>资源项集合</returns>
	public IEnumerable<IContentResource> GetItems() {
        foreach (var item in Items)
            if (item is IContentResource content)
                yield return content;
    }
}