DynamicAsset.cs

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using System;
using System.Collections.Generic;
using UnityEngine;
 
[Serializable]
public class DynamicAsset<T> where T : MonoBehaviour
{
    [NonSerialized]
    public static List<Func<string, T>> assetLoaders = new List<Func<string, T>> { Resources.Load<T> };
 
    public string groupId = "";
 
    public List<T> list = new List<T>();
 
    public Dictionary<string, T> map;
 
    public bool usePool;
 
    public bool instantiate = true;
 
    private bool initialized;
 
    public DynamicAsset()
    {
    }
 
    public DynamicAsset(string groupId, bool instantiate)
    {
        this.groupId = groupId;
        this.instantiate = instantiate;
    }
 
    private void Init()
    {
        map = new Dictionary<string, T>();
        foreach (T item in list)
        {
            map.Add(item.name, item);
        }
        initialized = true;
    }
 
    public T GetNew(string id, Transform parent = null)
    {
        T original = GetOriginal(id);
        if (!instantiate || original == null)
        {
            return original;
        }
        T val = (usePool ? PoolManager.Spawn<T>(groupId + "/" + id, groupId + "/" + id) : UnityEngine.Object.Instantiate(original).GetComponent<T>());
        if ((bool)parent)
        {
            val.transform.SetParent(parent, worldPositionStays: false);
        }
        return val;
    }
 
    public T GetOriginal(string id)
    {
        if (!initialized)
        {
            Init();
        }
        if (map.TryGetValue(id, out var value))
        {
            return value;
        }
        string arg = groupId + "/" + id;
        for (int i = 0; i < assetLoaders.Count; i++)
        {
            try
            {
                value = assetLoaders[i](arg);
                if ((bool)value)
                {
                    break;
                }
            }
            catch
            {
            }
        }
        map[id] = value;
        list.Add(value);
        return value;
    }
}