Prefabs实例化 ResourceMgr

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来源与小宝个人笔记【稍作修改】

//使用  Prefabs/Resources/stone1

ResourceMgr.GetInstance().CreateGameObject ("stone1",image,true);

using UnityEngine;
using System.Collections;

public class ResourceMgr : MonoBehaviour
{
	#region 初始化
	private static ResourceMgr mInstance;

	/// <summary>
	/// 获取资源加载实例
	/// </summary>
	/// <returns></returns>
	public static ResourceMgr GetInstance()
	{
			if(mInstance == null)
			{
					mInstance = new GameObject("_ResourceMgr").AddComponent<ResourceMgr>();
			}
			return mInstance;
	}
	private ResourceMgr()
	{
			Debug.LogError ("---------------");
			hashtable = new Hashtable();
	}
	#endregion

	/// <summary> 资源缓存容器 </summary>
	private Hashtable hashtable;
	/// <summary>
	/// Load 资源
	/// </summary>
	/// <typeparam name="T">资源类型</typeparam>
	/// <param name="path">资源路径</param>
	/// <param name="cacheAsset">是否要缓存资源</param>
	/// <returns></returns>
	public T Load<T>(string path, bool cache) where T : Object
	{
		if (hashtable.Contains(path))
		{
			return hashtable[path] as T;
		}

		Debug.Log(string.Format("Load assset frome resource folder,path:{0},cache:{1}", path, cache));
		T assetObj = Resources.Load<T>(path);
		if (assetObj == null)
		{
			Debug.LogWarning("Resources中找不到资源：" + path);
		}
		if (cache)
		{
			hashtable.Add(path, assetObj);
			Debug.Log("Asset对象被缓存,Resource'path=" + path);
		}
		return assetObj;
	}

	/// <summary>
	/// 创建Resource中GameObject对象
	/// </summary>
	/// <param name="path"资源路径</param>
	/// <param name="cacheAsset">是否要缓存Asset对象</param>
	/// <returns></returns>
	public GameObject CreateGameObject(string path,GameObject parent, bool cache)
	{
		GameObject assetObj = Load<GameObject>(path, cache);
		GameObject go = Instantiate(assetObj) as GameObject;
		if (go != null && parent != null)
		{
			Transform t = go.transform;
			t.parent = parent.transform;
			t.localPosition = Vector3.zero;
			t.localRotation = Quaternion.identity;
			t.localScale = Vector3.one;
			go.layer = parent.layer;
		}
		if (go == null)
		{
			Debug.LogWarning("从Resource创建对象失败：" + path);
		}
		return go;
	}

	// Use this for initialization
	void Start () {

	}

	// Update is called once per frame
	void Update () {

	}
}