add

Assets/CoolapeFrame/Scripts/assets/CLAssetsManager.cs

@@ -0,0 +1,179 @@
+/*
+******************************************************************************** 
+  *Copyright(C),coolae.net 
+  *Author:  chenbin
+  *Version:  2.0 
+  *Date:  2017-01-09
+  *Description:   管理assetsBundle的加载释放
+  *Others:  
+  *History:
+*********************************************************************************
+*/ 
+
+using UnityEngine;
+using System.Collections;
+
+namespace Coolape
+{
+	public class CLAssetsManager : MonoBehaviour
+	{
+		public static CLAssetsManager self;
+		public bool isPuase = false;
+		// 暂停释放资源（比如战斗中，先不释放）
+
+		#if UNITY_EDITOR
+		public string debugKey = "";
+		#endif
+
+		public CLAssetsManager ()
+		{
+			self = this;
+		}
+
+		//未使用超过x时间就释放该资源(秒)
+		public int timeOutSec4Realse = 300;
+
+		public static int realseTime {
+			get {
+				return self.timeOutSec4Realse;
+			}
+			set {
+				self.timeOutSec4Realse = value;
+			}
+		}
+
+		public Hashtable assetsMap = System.Collections.Hashtable.Synchronized (new Hashtable ());
+
+		public class AssetsInfor
+		{
+			public string key;
+			public string name;
+			public long lastUsedTime;
+			public int usedCount;
+			public AssetBundle asset;
+			public Callback doRealse;
+		}
+
+		public void pause ()
+		{
+			isPuase = true;
+		}
+
+		public void regain ()
+		{
+			isPuase = false;
+		}
+
+		public void addAsset (string key, string name, AssetBundle asset, Callback onRealse)
+		{
+			AssetsInfor ai = new AssetsInfor ();
+			ai.name = name;
+			ai.lastUsedTime = System.DateTime.Now.ToFileTime ();
+			ai.usedCount = 0;
+			ai.asset = asset;
+			ai.doRealse = onRealse;
+			ai.key = key;
+			assetsMap [key] = ai;
+		}
+
+		public void useAsset (string key)
+		{
+			AssetsInfor ai = (AssetsInfor)(assetsMap [key]);
+			if (ai != null) {
+				ai.usedCount++;
+				ai.lastUsedTime = System.DateTime.Now.ToFileTime ();
+				assetsMap [key] = ai;
+
+				#if UNITY_EDITOR
+				if (!string.IsNullOrEmpty(debugKey) && key.Contains(debugKey)) 
+					Debug.LogWarning (ai.usedCount + "====useAsset===" + key);
+				#endif
+			}
+		}
+
+		public void unUseAsset (string key)
+		{
+			AssetsInfor ai = (AssetsInfor)(assetsMap [key]);
+			if (ai != null) {
+				ai.usedCount--;
+				if (ai.usedCount < 0) {
+					Debug.LogError ("["+ai.key+"] is use time less then zero!!");
+					ai.usedCount = 0;
+				}
+				ai.lastUsedTime = System.DateTime.Now.ToFileTime ();
+				assetsMap [key] = ai;
+
+				#if UNITY_EDITOR
+				if (!string.IsNullOrEmpty(debugKey) && key.Contains(debugKey)) 
+					Debug.LogWarning (ai.usedCount + "===unUseAsset====" + key);
+				#endif
+			}
+		}
+
+		public object getAsset (string key)
+		{
+			AssetsInfor ai = (AssetsInfor)(assetsMap [key]);
+			if (ai != null) {
+				return ai.asset;
+			}
+			return null;
+		}
+
+		void Start ()
+		{
+			InvokeRepeating ("releaseAsset", 10, 6);	
+		}
+
+		void OnDestroy ()
+		{
+			CancelInvoke ();
+		}
+
+		public void releaseAsset ()
+		{
+			releaseAsset (false);
+		}
+
+		public void releaseAsset (bool isForceRelease)
+		{
+			try {
+				if (isPuase && !isForceRelease) {
+					return;
+				}
+				AssetsInfor ai = null;
+				ArrayList list = new ArrayList ();
+				list.AddRange (assetsMap.Values);
+				bool isHadRealseAssets = false;
+				for (int i = 0; i < list.Count; i++) {
+					ai = (AssetsInfor)(list [i]);
+					if (ai == null) {
+						continue;
+					}
+					if (ai.usedCount <= 0 &&
+					    ((System.DateTime.Now.ToFileTime () - ai.lastUsedTime) / 10000000 > realseTime || isForceRelease)) {
+						if (ai.doRealse != null) {
+							ai.doRealse (ai.name);
+						}
+						assetsMap.Remove (ai.key);
+						if (ai.asset != null) {
+							ai.asset.Unload (true);
+							ai.asset = null;
+						}
+						ai = null;
+						isHadRealseAssets = true;
+					}
+				}
+//            UnityEngine.Resources.UnloadUnusedAssets();
+				list.Clear ();
+				list = null;
+
+				if (isHadRealseAssets) {
+					//这种情况是处理当图片已经destory了，材质球却未来得及destory的情况
+					releaseAsset(isForceRelease);
+				}
+			} catch (System.Exception e) {
+				Debug.LogError (e);
+			}
+		}
+	}
+}