/// <summary>
/// 回收一个资源
/// </summary>
/// <param name="item"></param>
/// <param name="destroy"></param>
protected void DestroyResouceItem(TResouceItem item, bool destroyCache = false)
{
if (item == null || item.RefCount > 0)
{
return;
}
if (!destroyCache)
{
mNoRefrenceAssetMapList.InsertToHead(item);
return;
}
if (!mAssetDic.Remove(item.Crc))
{
return;
}
mNoRefrenceAssetMapList.Remove(item);
// 释放assetbundle引用
AssetBundleManager.Instance.ReleaseAsset(item);
//清空资源对应的对象池
ObjectManager.Instance.ClearPoolObject(item.Crc);
if (item.Obj != null)
{
item.Obj = null;
#if UNITY_EDITOR
Resources.UnloadUnusedAssets();
#endif
}
}
/// <summary>
/// 根据crc查找ResourceItem
/// </summary>
/// <param name="crc"></param>
/// <returns></returns>
public TResouceItem FindResouceItem(uint crc)
{
TResouceItem item = null;
mResouceItemDic.TryGetValue(crc, out item);
return(item);
}
/// <summary>
/// 针对ObjectManager异步加载的接口
/// </summary>
/// <param name="path"></param>
/// <param name="resObj"></param>
/// <param name="dealfinish"></param>
/// <param name="priority"></param>
public void AsyncLoadResouce(string path, TResouceObj resObj, OnAsyncFinish dealfinish, LoadResPriority priority)
{
TResouceItem item = GetCacheResouceItem(resObj.Crc);
if (item != null)
{
resObj.ResItem = item;
dealfinish?.Invoke(path, resObj);
}
//判断是否在加载中
TAsyncLoadResParam para = null;
if (!mLoadingAssetDic.TryGetValue(resObj.Crc, out para) || para == null)
{
para = mAsyncLoadResParamPool.Allocate();
para.Crc = resObj.Crc;
para.Path = path;
para.Priority = priority;
mLoadingAssetDic.Add(resObj.Crc, para);
mLoadingAssetList[(int)priority].Add(para);
}
//往回调列表里面加回调
TAsyncCallBack callBack = mAsyncCallBackPool.Allocate();
callBack.DealFinish = dealfinish;
callBack.ResObj = resObj;
para.CallbackList.Add(callBack);
}
/// <summary>
/// 缓存加载的资源
/// </summary>
/// <param name="path"></param>
/// <param name="item"></param>
/// <param name="crc"></param>
/// <param name="obj"></param>
/// <param name="addrefcount"></param>
void CacheResouce(string path, ref TResouceItem item, uint crc, Object obj, int addrefcount = 1)
{
//缓存太多,清除最早没有使用的资源
WashOut();
if (item == null)
{
Debug.LogError("ResourceItem is null,path:" + path);
}
if (obj == null)
{
Debug.LogError("Resource Fail:" + path);
}
item.Obj = obj;
item.Guid = obj.GetInstanceID();
item.LastUserTime = Time.realtimeSinceStartup;
item.RefCount += addrefcount;
TResouceItem oldItem = null;
if (mAssetDic.TryGetValue(item.Crc, out oldItem))
{
mAssetDic[item.Crc] = item;
}
else
{
mAssetDic.Add(item.Crc, item);
}
}
/// <summary>
/// 同步资源加载，外部直接调用，仅加载不需要实例化的资源，例如Texture,音频等等
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="path"></param>
/// <returns></returns>
public T LoadResouce <T>(string path) where T : UnityEngine.Object
{
if (string.IsNullOrEmpty(path))
{
return(null);
}
uint crc = CRC32.GetCRC32(path);
TResouceItem item = GetCacheResouceItem(crc);
if (item != null)
{
return(item.Obj as T);
}
T obj = null;
#if UNITY_EDITOR
if (!AppConfig.UseAssetBundle)
{
item = AssetBundleManager.Instance.FindResouceItem(crc);
if (item != null && item.AssetBundle != null)
{
if (item.Obj != null)
{
obj = (T)item.Obj;
}
else
{
obj = item.AssetBundle.LoadAsset <T>(item.AssetName);
}
}
else
{
if (item == null)
{
item = new TResouceItem();
item.Crc = crc;
}
obj = LoadAssetByEditor <T>(path);
}
}
#endif
if (obj == null)
{
item = AssetBundleManager.Instance.LoadResouceAssetBundle(crc);
if (item != null && item.AssetBundle != null)
{
if (item.Obj != null)
{
obj = item.Obj as T;
}
else
{
obj = item.AssetBundle.LoadAsset <T>(item.AssetName);
}
}
}
CacheResouce(path, ref item, crc, obj);
return(obj);
}
/// <summary>
/// 同步资源加载，外部直接调用，仅加载不需要实例化的资源,例如Texture,音频等
/// </summary>
/// <param name="path"></param>
/// <param name="resObj"></param>
/// <returns></returns>
public TResouceObj LoadResouce(string path, TResouceObj resObj)
{
if (resObj == null)
{
return(null);
}
uint crc = resObj.Crc == 0 ? CRC32.GetCRC32(path) : resObj.Crc;
TResouceItem item = GetCacheResouceItem(crc);
if (item != null)
{
resObj.ResItem = item;
return(resObj);
}
Object obj = null;
#if UNITY_EDITOR
if (!AppConfig.UseAssetBundle)
{
item = AssetBundleManager.Instance.FindResouceItem(crc);
if (item != null && item.Obj != null)
{
obj = item.Obj as Object;
}
else
{
if (item == null)
{
item = new TResouceItem();
item.Crc = crc;
}
obj = LoadAssetByEditor <Object>(path);
}
}
#endif
if (obj == null)
{
item = AssetBundleManager.Instance.LoadResouceAssetBundle(crc);
if (item != null && item.AssetBundle != null)
{
if (item.Obj != null)
{
obj = item.Obj as Object;
}
else
{
obj = item.AssetBundle.LoadAsset <Object>(item.AssetName);
}
}
}
CacheResouce(path, ref item, crc, obj);
resObj.ResItem = item;
item.Clear = resObj.Clear;
return(resObj);
}
/// <summary>
/// 预加载资源
/// </summary>
/// <param name="path"></param>
public void PreloadRes(string path)
{
if (string.IsNullOrEmpty(path))
{
return;
}
uint crc = CRC32.GetCRC32(path);
TResouceItem item = GetCacheResouceItem(crc, 0);
if (item != null)
{
return;
}
Object obj = null;
#if UNITY_EDITOR
if (!AppConfig.UseAssetBundle)
{
item = AssetBundleManager.Instance.FindResouceItem(crc);
if (item != null && item.Obj != null)
{
obj = item.Obj as Object;
}
else
{
if (item == null)
{
item = new TResouceItem();
item.Crc = crc;
}
obj = LoadAssetByEditor <Object>(path);
}
}
#endif
if (obj == null)
{
item = AssetBundleManager.Instance.LoadResouceAssetBundle(crc);
if (item != null && item.AssetBundle != null)
{
if (item.Obj != null)
{
obj = item.Obj;
}
else
{
obj = item.AssetBundle.LoadAsset <Object>(item.AssetName);
}
}
}
CacheResouce(path, ref item, crc, obj);
//跳场景不清空缓存
item.Clear = false;
ReleaseResouce(obj, false);
}
/// <summary>
/// 根据路径减少引用计数
/// </summary>
/// <param name="crc"></param>
/// <param name="count"></param>
/// <returns></returns>
public int DecreaseResouceRef(uint crc = 0, int count = 1)
{
TResouceItem item = null;
if (!mAssetDic.TryGetValue(crc, out item) || item == null)
{
return(0);
}
item.RefCount -= count;
return(item.RefCount);
}
/// <summary>
/// 缓存太多,清除最早没有使用的资源
/// </summary>
protected void WashOut()
{
//当大于缓存个数时，进行一半释放
while (mNoRefrenceAssetMapList.Size() >= MAXCACHECOUNT)
{
for (int i = 0; i < MAXCACHECOUNT / 2; i++)
{
TResouceItem item = mNoRefrenceAssetMapList.Back();
DestroyResouceItem(item, true);
}
}
}
/// <summary>
/// 根据path增加引用计数
/// </summary>
/// <param name="crc"></param>
/// <param name="count"></param>
/// <returns></returns>
public int IncreaseResouceRef(uint crc = 0, int count = 1)
{
TResouceItem item = null;
if (!mAssetDic.TryGetValue(crc, out item) || item == null)
{
return(0);
}
item.RefCount += count;
item.LastUserTime = Time.realtimeSinceStartup;
return(item.RefCount);
}
/// <summary>
/// 从资源池获取缓存资源
/// </summary>
/// <param name="crc"></param>
/// <param name="addrefcount"></param>
/// <returns></returns>
TResouceItem GetCacheResouceItem(uint crc, int addrefcount = 1)
{
TResouceItem item = null;
if (mAssetDic.TryGetValue(crc, out item))
{
if (item != null)
{
item.RefCount += addrefcount;
item.LastUserTime = Time.realtimeSinceStartup;
}
}
return(item);
}
/// <summary>
/// 释放资源
/// </summary>
/// <param name="item"></param>
public void ReleaseAsset(TResouceItem item)
{
if (item == null)
{
return;
}
if (item.DependAssetBundle != null && item.DependAssetBundle.Count > 0)
{
for (int i = 0; i < item.DependAssetBundle.Count; i++)
{
UnLoadAssetBundle(item.DependAssetBundle[i]);
}
}
UnLoadAssetBundle(item.AbName);
}
public void Reset()
{
Crc = 0;
CloneObj = null;
Clear = true;
Guid = 0;
ResItem = null;
Already = false;
SetSceneParent = false;
DealFinish = null;
Param1 = null;
Param2 = null;
Param3 = null;
OffData = null;
}
/// <summary>
/// 根据ResouceObj卸载资源
/// </summary>
/// <param name="resObj"></param>
/// <param name="destroyObj">是否将ResouceItem从缓存引用计数的资源列表中移除</param>
/// <returns></returns>
public bool ReleaseResouce(TResouceObj resObj, bool destroyObj = false)
{
if (resObj == null)
{
return(false);
}
TResouceItem item = null;
if (!mAssetDic.TryGetValue(resObj.Crc, out item) || item == null)
{
Debug.LogError("AssetDic里不存在该资源:" + resObj.CloneObj.name + " 可能释放了多次");
}
GameObject.Destroy(resObj.CloneObj);
item.RefCount--;
DestroyResouceItem(item, destroyObj);
return(true);
}
/// <summary>
/// 不需要实例化的资源卸载,根据路径
/// </summary>
/// <param name="path"></param>
/// <param name="destroyObj"></param>
/// <returns></returns>
public bool ReleaseResouce(string path, bool destroyObj = false)
{
if (string.IsNullOrEmpty(path))
{
return(false);
}
uint crc = CRC32.GetCRC32(path);
TResouceItem item = null;
if (!mAssetDic.TryGetValue(crc, out item) || null == item)
{
Debug.LogError("AssetDic里不存在资源" + path + "可能释放了多次");
}
item.RefCount--;
DestroyResouceItem(item, destroyObj);
return(true);
}
/// <summary>
/// 加载Ab配置表
/// </summary>
/// <returns></returns>
public bool LoadAssetBundleConfig()
{
#if UNITY_EDITOR
if (!AppConfig.UseAssetBundle)
{
return(false);
}
#endif
mResouceItemDic.Clear();
string configPath = ABLoadPath + mAbConfigABName;
string hotAbPath = HotPatchManager.Instance.ComputeABPath(mAbConfigABName);
configPath = string.IsNullOrEmpty(hotAbPath) ? configPath : hotAbPath;
byte[] bytes = AES.AESFileByteDecrypt(configPath, EdgeFrameworkConst.AESKEY);
AssetBundle configAB = AssetBundle.LoadFromMemory(bytes);
TextAsset textAsset = configAB.LoadAsset <TextAsset>(mAbConfigABName);
if (textAsset == null)
{
Debug.LogError("AssetBundleConfig is no exist!");
return(false);
}
MemoryStream stream = new MemoryStream(textAsset.bytes);
BinaryFormatter bf = new BinaryFormatter();
AssetBundleConfig config = (AssetBundleConfig)bf.Deserialize(stream);
stream.Close();
for (int i = 0; i < config.AbList.Count; i++)
{
ABBase abBase = config.AbList[i];
TResouceItem item = new TResouceItem();
item.Crc = abBase.Crc;
item.AssetName = abBase.AssetName;
item.AbName = abBase.AbName;
item.DependAssetBundle = abBase.AbDependce;
if (mResouceItemDic.ContainsKey(item.Crc))
{
Debug.LogError("重复的Crc:" + item.AssetName + "ab包名:" + item.AbName);
}
else
{
mResouceItemDic.Add(item.Crc, item);
}
}
return(true);
}
/// <summary>
/// 异步加载资源（仅仅是不需要实例化的资源，例如音频，图片等）
/// </summary>
/// <param name="path"></param>
/// <param name="dealFinish"></param>
/// <param name="priority"></param>
/// <param name="param1"></param>
/// <param name="param2"></param>
/// <param name="param3"></param>
/// <param name="crc"></param>
public void AsyncLoadResouce(string path, OnAsyncObjFinish dealFinish, LoadResPriority priority, bool isSprite = false, object param1 = null, object param2 = null, object param3 = null, uint crc = 0)
{
if (crc == 0)
{
crc = CRC32.GetCRC32(path);
}
TResouceItem item = GetCacheResouceItem(crc);
if (item != null)
{
if (dealFinish != null)
{
dealFinish(path, item.Obj, param1, param2, param3);
}
return;
}
//判断是否在加载中
TAsyncLoadResParam para = null;
if (!mLoadingAssetDic.TryGetValue(crc, out para) || para == null)
{
para = mAsyncLoadResParamPool.Allocate();
para.Crc = crc;
para.Path = path;
para.IsSprite = isSprite;
para.Priority = priority;
mLoadingAssetDic.Add(crc, para);
mLoadingAssetList[(int)priority].Add(para);
}
//往回调列表里面加回调
TAsyncCallBack callBack = mAsyncCallBackPool.Allocate();
callBack.DealObjFinish = dealFinish;
callBack.Param1 = param1;
callBack.Param2 = param2;
callBack.Param3 = param3;
para.CallbackList.Add(callBack);
}
/// <summary>
/// 根据路径的crc加载中间类ResouceItem
/// </summary>
/// <param name="crc"></param>
/// <returns></returns>
public TResouceItem LoadResouceAssetBundle(uint crc)
{
TResouceItem item = null;
if (!mResouceItemDic.TryGetValue(crc, out item) || item == null)
{
Debug.LogError(string.Format("LoadResourceAssetBundle Erro:can not find crc {0} in AssetBundleConfig", crc.ToString()));
return(item);
}
//if (item.assetBundle != null)
//{
// item.RefCount++;
// return item;
//}
item.AssetBundle = LoadAssetBundle(item.AbName);
if (item.DependAssetBundle != null)
{
for (int i = 0; i < item.DependAssetBundle.Count; i++)
{
LoadAssetBundle(item.DependAssetBundle[i]);
}
}
return(item);
}
/// <summary>
/// 不需要实例化的资源卸载，根据对象
/// </summary>
/// <param name="obj"></param>
/// <param name="destroyObj"></param>
/// <returns></returns>
public bool ReleaseResouce(Object obj, bool destroyObj = false)
{
if (obj == null)
{
return(false);
}
TResouceItem item = null;
foreach (TResouceItem res in mAssetDic.Values)
{
if (res.Guid == obj.GetInstanceID())
{
item = res;
}
}
if (item == null)
{
Debug.LogError("AssetDic里不存在资源" + obj.name + "可能释放了多次");
return(false);
}
item.RefCount--;
DestroyResouceItem(item, destroyObj);
return(true);
}
/// <summary>
/// 异步加载
/// </summary>
/// <returns></returns>
IEnumerator AsyncLoadCor()
{
List <TAsyncCallBack> callBackList = null;
//上一次yild的时间
long lastYildTime = System.DateTime.Now.Ticks;
while (true)
{
bool haveYield = false;
for (int i = 0; i < (int)LoadResPriority.RES_NUM; i++)
{
if (mLoadingAssetList[(int)LoadResPriority.RES_HIGHT].Count > 0)
{
i = (int)LoadResPriority.RES_HIGHT;
}
else if (mLoadingAssetList[(int)LoadResPriority.RES_MIDDLE].Count > 0)
{
i = (int)LoadResPriority.RES_MIDDLE;
}
List <TAsyncLoadResParam> loadingList = mLoadingAssetList[i];
if (loadingList.Count <= 0)
{
continue;
}
TAsyncLoadResParam loadingItem = loadingList[0];
loadingList.RemoveAt(0);
callBackList = loadingItem.CallbackList;
Object obj = null;
TResouceItem item = null;
#if UNITY_EDITOR
if (!AppConfig.UseAssetBundle)
{
if (loadingItem.IsSprite)
{
obj = LoadAssetByEditor <Sprite>(loadingItem.Path);
}
else
{
obj = LoadAssetByEditor <Object>(loadingItem.Path);
}
//模拟异步加载
yield return(new WaitForSeconds(0.5f));
item = AssetBundleManager.Instance.FindResouceItem(loadingItem.Crc);
if (item == null)
{
item = new TResouceItem();
item.Crc = loadingItem.Crc;
}
}
#endif
if (obj == null)
{
item = AssetBundleManager.Instance.LoadResouceAssetBundle(loadingItem.Crc);
if (item != null && item.AssetBundle != null)
{
AssetBundleRequest abRequest = null;
if (loadingItem.IsSprite)
{
abRequest = item.AssetBundle.LoadAssetAsync <Sprite>(item.AssetName);
}
else
{
abRequest = item.AssetBundle.LoadAssetAsync(item.AssetName);
}
yield return(abRequest);
if (abRequest.isDone)
{
obj = abRequest.asset;
}
lastYildTime = System.DateTime.Now.Ticks;
}
}
CacheResouce(loadingItem.Path, ref item, loadingItem.Crc, obj, callBackList.Count);
for (int j = 0; j < callBackList.Count; j++)
{
TAsyncCallBack callBack = callBackList[j];
if (callBack != null && callBack.DealFinish != null && callBack.ResObj != null)
{
TResouceObj tempResObj = callBack.ResObj;
tempResObj.ResItem = item;
callBack.DealFinish(loadingItem.Path, tempResObj, tempResObj.Param1, tempResObj.Param2, tempResObj.Param3);
callBack.DealFinish = null;
tempResObj = null;
}
if (callBack != null && callBack.DealObjFinish != null)
{
callBack.DealObjFinish(loadingItem.Path, obj, callBack.Param1, callBack.Param2, callBack.Param3);
callBack.DealObjFinish = null;
}
callBack.Reset();
mAsyncCallBackPool.Recycle(callBack);
}
obj = null;
callBackList.Clear();
mLoadingAssetDic.Remove(loadingItem.Crc);
loadingItem.Reset();
mAsyncLoadResParamPool.Recycle(loadingItem);
if (System.DateTime.Now.Ticks - lastYildTime > MAXLOADRESTIME)
{
yield return(null);
lastYildTime = System.DateTime.Now.Ticks;
haveYield = true;
}
}
if (!haveYield || System.DateTime.Now.Ticks - lastYildTime > MAXLOADRESTIME)
{
lastYildTime = System.DateTime.Now.Ticks;
yield return(null);
}
yield return(null);
}
}
