/// <summary>
/// 不需要实例化的资源的卸载，根据对象
/// </summary>
/// <param name="obj"></param>
/// <param name="destoryObj"></param>
/// <returns></returns>
public bool ReleaseResource(Object obj, bool destoryObj = false)
{
if (obj == null)
{
return(false);
}
ResouceItem item = null;
foreach (ResouceItem res in AssetDic.Values)
{
if (res.m_Guid == obj.GetInstanceID())
{
item = res;
}
}
if (item == null)
{
DebugPlus.LogError("AssetDic里不存在改资源：" + obj.name + " 可能释放了多次");
return(false);
}
item.RefCount--;
DestoryResouceItme(item, destoryObj);
return(true);
}
/// <summary>
/// 针对ObjectManager的异步加载接口
/// </summary>
/// <param name="path"></param>
/// <param name="resObj"></param>
/// <param name="dealfinish"></param>
/// <param name="priority"></param>
public void AsyncLoadResource(string path, ResouceObj resObj, OnAsyncFinsih dealfinish, LoadResPriority priority)
{
ResouceItem item = GetCacheResouceItem(resObj.m_Crc);
if (item != null)
{
resObj.m_ResItem = item;
if (dealfinish != null)
{
dealfinish(path, resObj);
}
return;
}
//判断是否在加载中
AsyncLoadResParam para = null;
if (!m_LoadingAssetDic.TryGetValue(resObj.m_Crc, out para) || para == null)
{
para = m_AsyncLoadResParamPool.Spawn(true);
para.m_Crc = resObj.m_Crc;
para.m_Path = path;
para.m_Priority = priority;
m_LoadingAssetDic.Add(resObj.m_Crc, para);
m_LoadingAssetList[(int)priority].Add(para);
}
//往回调列表里面加回调
AsyncCallBack callBack = m_AsyncCallBackPool.Spawn(true);
callBack.m_DealFinish = dealfinish;
callBack.m_ResObj = resObj;
para.m_CallBackList.Add(callBack);
}
/// <summary>
/// 回收一个资源
/// </summary>
/// <param name="item"></param>
/// <param name="destroy"></param>
protected void DestoryResouceItme(ResouceItem item, bool destroyCache = false)
{
if (item == null || item.RefCount > 0)
{
return;
}
if (!destroyCache)
{
m_NoRefrenceAssetMapList.InsertToHead(item);
return;
}
if (!AssetDic.Remove(item.m_Crc))
{
return;
}
m_NoRefrenceAssetMapList.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.m_Crc);
if (item.m_Obj != null)
{
item.m_Obj = null;
#if UNITY_EDITOR
Resources.UnloadUnusedAssets();
#endif
}
}
/// <summary>
/// 根据crc朝赵ResouceItem
/// </summary>
/// <param name="crc"></param>
/// <returns></returns>
public ResouceItem FindResourceItme(uint crc)
{
ResouceItem item = null;
m_ResouceItemDic.TryGetValue(crc, out item);
return(item);
}
/// <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 CacheResource(string path, ref ResouceItem 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)
{
DebugPlus.LogError("ResouceItem is null, path: " + path);
}
if (obj == null)
{
DebugPlus.LogError("ResouceLoad Fail : " + path);
}
item.m_Obj = obj;
item.m_Guid = obj.GetInstanceID();
item.m_LastUseTime = Time.realtimeSinceStartup;
item.RefCount += addrefcount;
ResouceItem oldItme = null;
if (AssetDic.TryGetValue(item.m_Crc, out oldItme))
{
AssetDic[item.m_Crc] = item;
}
else
{
AssetDic.Add(item.m_Crc, item);
}
}
/// <summary>
/// 根据路径的crc加载中间类ResoucItem
/// </summary>
/// <param name="crc"></param>
/// <returns></returns>
public ResouceItem LoadResouceAssetBundle(uint crc)
{
ResouceItem item = null;
if (!m_ResouceItemDic.TryGetValue(crc, out item) || item == null)
{
DebugPlus.LogError(string.Format("LoadResourceAssetBundle error: can not find crc {0} in AssetBundleConfig", crc.ToString()));
return(item);
}
if (item.m_AssetBundle != null)
{
return(item);
}
item.m_AssetBundle = LoadAssetBundle(item.m_ABName);
if (item.m_DependAssetBundle != null)
{
for (int i = 0; i < item.m_DependAssetBundle.Count; i++)
{
LoadAssetBundle(item.m_DependAssetBundle[i]);
}
}
return(item);
}
/// <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);
ResouceItem item = GetCacheResouceItem(crc, 0);
if (item != null)
{
return;
}
Object obj = null;
#if UNITY_EDITOR
if (!m_LoadFormAssetBundle)
{
item = AssetBundleManager.Instance.FindResourceItme(crc);
if (item != null && item.m_Obj != null)
{
obj = item.m_Obj as Object;
}
else
{
if (item == null)
{
item = new ResouceItem();
item.m_Crc = crc;
}
obj = LoadAssetByEditor <Object>(path);
}
}
#endif
if (obj == null)
{
item = AssetBundleManager.Instance.LoadResouceAssetBundle(crc);
if (item != null && item.m_AssetBundle != null)
{
if (item.m_Obj != null)
{
obj = item.m_Obj;
}
else
{
obj = item.m_AssetBundle.LoadAsset <Object>(item.m_AssetName);
}
}
}
CacheResource(path, ref item, crc, obj);
//跳场景不清空缓存
item.m_Clear = false;
ReleaseResource(obj, false);
}
public void Reset()
{
m_Crc = 0;
m_CloneObj = null;
m_bClear = true;
m_Guid = 0;
m_ResItem = null;
m_Already = false;
m_SetSceneParent = false;
m_DealFinish = null;
m_Param1 = m_Param2 = m_Param3 = null;
}
/// <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 (m_NoRefrenceAssetMapList.Size() >= MAXCACHECOUNT)
{
for (int i = 0; i < MAXCACHECOUNT / 2; i++)
{
ResouceItem item = m_NoRefrenceAssetMapList.Back();
DestoryResouceItme(item, true);
}
}
}
/// <summary>
/// 根据路径减少引用计数
/// </summary>
/// <param name="crc"></param>
/// <param name="count"></param>
/// <returns></returns>
public int DecreaseResoucerRef(uint crc, int count = 1)
{
ResouceItem item = null;
if (!AssetDic.TryGetValue(crc, out item) || item == null)
{
return(0);
}
item.RefCount -= count;
return(item.RefCount);
}
/// <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)
{
ResouceItem item = null;
if (!AssetDic.TryGetValue(crc, out item) || item == null)
{
return(0);
}
item.RefCount += count;
item.m_LastUseTime = 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>
ResouceItem GetCacheResouceItem(uint crc, int addrefcount = 1)
{
ResouceItem item = null;
if (AssetDic.TryGetValue(crc, out item))
{
if (item != null)
{
item.RefCount += addrefcount;
item.m_LastUseTime = Time.realtimeSinceStartup;
}
}
return(item);
}
/// <summary>
/// 释放资源
/// </summary>
/// <param name="item"></param>
public void ReleaseAsset(ResouceItem item)
{
if (item == null)
{
return;
}
if (item.m_DependAssetBundle != null && item.m_DependAssetBundle.Count > 0)
{
for (int i = 0; i < item.m_DependAssetBundle.Count; i++)
{
UnLoadAssetBundle(item.m_DependAssetBundle[i]);
}
}
UnLoadAssetBundle(item.m_ABName);
}
/// <summary>
/// 加载ab配置表
/// </summary>
/// <returns></returns>
public bool LoadAssetBundleConfig()
{
#if UNITY_EDITOR
if (!ResourceManager.m_LoadFormAssetBundle)
{
return(false);
}
#endif
m_ResouceItemDic.Clear();
AssetBundle configAB = null;
configAB = AssetBundle.LoadFromFile(Application.streamingAssetsPath + "/assetbundleconfig");
//configAB = AssetBundle.LoadFromFile(ABLoadPath + "assetbundleconfig");
TextAsset textAsset = configAB.LoadAsset <TextAsset>(m_ABConfigABName);
if (textAsset == null)
{
DebugPlus.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];
ResouceItem item = new ResouceItem();
item.m_Crc = abBase.Crc;
item.m_AssetName = abBase.AssetName;
item.m_ABName = abBase.ABName;
item.m_DependAssetBundle = abBase.ABDependce;
if (m_ResouceItemDic.ContainsKey(item.m_Crc))
{
DebugPlus.LogError("重复的Crc 资源名:" + item.m_AssetName + " ab包名：" + item.m_ABName);
}
else
{
m_ResouceItemDic.Add(item.m_Crc, item);
}
}
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="destoryObj"></param>
/// <returns></returns>
public bool ReleaseResource(string path, bool destoryObj = false)
{
if (string.IsNullOrEmpty(path))
{
return(false);
}
uint crc = CRC32.GetCrc32(path);
ResouceItem item = null;
if (!AssetDic.TryGetValue(crc, out item) || null == item)
{
DebugPlus.LogError("AssetDic里不存在改资源：" + path + " 可能释放了多次");
}
item.RefCount--;
DestoryResouceItme(item, destoryObj);
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，图片等等）
/// </summary>
public void AsyncLoadResource(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);
}
ResouceItem item = GetCacheResouceItem(crc);
if (item != null)
{
if (dealFinish != null)
{
dealFinish(path, item.m_Obj, param1, param2, param3);
}
return;
}
//判断是否在加载中
AsyncLoadResParam para = null;
if (!m_LoadingAssetDic.TryGetValue(crc, out para) || para == null)
{
para = m_AsyncLoadResParamPool.Spawn(true);
para.m_Crc = crc;
para.m_Path = path;
para.m_Sprite = isSprite;
para.m_Priority = priority;
m_LoadingAssetDic.Add(crc, para);
m_LoadingAssetList[(int)priority].Add(para);
}
//往回调列表里面加回调
AsyncCallBack callBack = m_AsyncCallBackPool.Spawn(true);
callBack.m_DealObjFinish = dealFinish;
callBack.m_Param1 = param1;
callBack.m_Param2 = param2;
callBack.m_Param3 = param3;
para.m_CallBackList.Add(callBack);
}
/// <summary>
/// 根据ResouceObj卸载资源
/// </summary>
/// <param name="resObj"></param>
/// <param name="destoryObj"></param>
/// <returns></returns>
public bool ReleaseResource(ResouceObj resObj, bool destoryObj = false)
{
if (resObj == null)
{
return(false);
}
ResouceItem item = null;
if (!AssetDic.TryGetValue(resObj.m_Crc, out item) || null == item)
{
DebugPlus.LogError("AssetDic里不存在改资源：" + resObj.m_CloneObj.name + " 可能释放了多次");
}
GameObject.Destroy(resObj.m_CloneObj);
item.RefCount--;
DestoryResouceItme(item, destoryObj);
return(true);
}
/// <summary>
/// 同步加载资源，针对给ObjectManager的接口
/// </summary>
/// <param name="path"></param>
/// <param name="resObj"></param>
/// <returns></returns>
public ResouceObj LoadResource(string path, ResouceObj resObj)
{
if (resObj == null)
{
return(null);
}
uint crc = resObj.m_Crc == 0 ? CRC32.GetCrc32(path) : resObj.m_Crc;
ResouceItem item = GetCacheResouceItem(crc);
if (item != null)
{
resObj.m_ResItem = item;
return(resObj);
}
Object obj = null;
#if UNITY_EDITOR
if (!m_LoadFormAssetBundle)
{
item = AssetBundleManager.Instance.FindResourceItme(crc);
if (item != null && item.m_Obj != null)
{
obj = item.m_Obj as Object;
}
else
{
if (item == null)
{
item = new ResouceItem();
item.m_Crc = crc;
}
obj = LoadAssetByEditor <Object>(path);
}
}
#endif
if (obj == null)
{
item = AssetBundleManager.Instance.LoadResouceAssetBundle(crc);
if (item != null && item.m_AssetBundle != null)
{
if (item.m_Obj != null)
{
obj = item.m_Obj as Object;
}
else
{
obj = item.m_AssetBundle.LoadAsset <Object>(item.m_AssetName);
}
}
}
CacheResource(path, ref item, crc, obj);
resObj.m_ResItem = item;
item.m_Clear = resObj.m_bClear;
return(resObj);
}
/// <summary>
/// 异步加载
/// </summary>
/// <returns></returns>
IEnumerator AsyncLoadCor()
{
List <AsyncCallBack> callBackList = null;
//上一次yield的视角
long lastYiledTime = System.DateTime.Now.Ticks;
while (true)
{
bool haveYield = false;
for (int i = 0; i < (int)LoadResPriority.RES_NUM; i++)
{
if (m_LoadingAssetList[(int)LoadResPriority.RES_HIGHT].Count > 0)
{
i = (int)LoadResPriority.RES_HIGHT;
}
else if (m_LoadingAssetList[(int)LoadResPriority.RES_MIDDLE].Count > 0)
{
i = (int)LoadResPriority.RES_MIDDLE;
}
List <AsyncLoadResParam> loadingList = m_LoadingAssetList[i];
if (loadingList.Count <= 0)
{
continue;
}
AsyncLoadResParam loadingItem = loadingList[0];
loadingList.RemoveAt(0);
callBackList = loadingItem.m_CallBackList;
Object obj = null;
ResouceItem item = null;
#if UNITY_EDITOR
if (!m_LoadFormAssetBundle)
{
if (loadingItem.m_Sprite)
{
obj = LoadAssetByEditor <Sprite>(loadingItem.m_Path);
}
else
{
obj = LoadAssetByEditor <Object>(loadingItem.m_Path);
}
//模拟异步加载
yield return(new WaitForEndOfFrame());
item = AssetBundleManager.Instance.FindResourceItme(loadingItem.m_Crc);
if (item == null)
{
item = new ResouceItem();
item.m_Crc = loadingItem.m_Crc;
}
}
#endif
if (obj == null)
{
item = AssetBundleManager.Instance.LoadResouceAssetBundle(loadingItem.m_Crc);
if (item != null && item.m_AssetBundle != null)
{
AssetBundleRequest abRequest = null;
if (loadingItem.m_Sprite)
{
abRequest = item.m_AssetBundle.LoadAssetAsync <Sprite>(item.m_AssetName);
}
else
{
abRequest = item.m_AssetBundle.LoadAssetAsync(item.m_AssetName);
}
yield return(abRequest);
if (abRequest.isDone)
{
obj = abRequest.asset;
}
lastYiledTime = System.DateTime.Now.Ticks;
}
}
CacheResource(loadingItem.m_Path, ref item, loadingItem.m_Crc, obj, callBackList.Count);
for (int j = 0; j < callBackList.Count; j++)
{
AsyncCallBack callBack = callBackList[j];
if (callBack != null && callBack.m_DealFinish != null && callBack.m_ResObj != null)
{
ResouceObj tempResObj = callBack.m_ResObj;
tempResObj.m_ResItem = item;
callBack.m_DealFinish(loadingItem.m_Path, tempResObj, tempResObj.m_Param1, tempResObj.m_Param2, tempResObj.m_Param3);
callBack.m_DealFinish = null;
tempResObj = null;
}
if (callBack != null && callBack.m_DealObjFinish != null)
{
callBack.m_DealObjFinish(loadingItem.m_Path, obj, callBack.m_Param1, callBack.m_Param2, callBack.m_Param3);
callBack.m_DealObjFinish = null;
}
callBack.Reset();
m_AsyncCallBackPool.Recycle(callBack);
}
obj = null;
callBackList.Clear();
m_LoadingAssetDic.Remove(loadingItem.m_Crc);
loadingItem.Reset();
m_AsyncLoadResParamPool.Recycle(loadingItem);
if (System.DateTime.Now.Ticks - lastYiledTime > MAXLOADRESTIME)
{
yield return(null);
lastYiledTime = System.DateTime.Now.Ticks;
haveYield = true;
}
}
if (!haveYield || System.DateTime.Now.Ticks - lastYiledTime > MAXLOADRESTIME)
{
lastYiledTime = System.DateTime.Now.Ticks;
yield return(null);
}
}
}
/// <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 LoadResource <T>(string path) where T : UnityEngine.Object
{
if (string.IsNullOrEmpty(path))
{
return(null);
}
uint crc = CRC32.GetCrc32(path);
ResouceItem item = GetCacheResouceItem(crc);
if (item != null)
{
return(item.m_Obj as T);
}
T obj = null;
#if UNITY_EDITOR
if (!m_LoadFormAssetBundle)
{
item = AssetBundleManager.Instance.FindResourceItme(crc);
if (item != null && item.m_AssetBundle != null)
{
if (item.m_Obj != null)
{
obj = (T)item.m_Obj;
}
else
{
obj = item.m_AssetBundle.LoadAsset <T>(item.m_AssetName);
}
}
else
{
if (item == null)
{
item = new ResouceItem();
item.m_Crc = crc;
}
obj = LoadAssetByEditor <T>(path);
}
}
#endif
if (obj == null)
{
item = AssetBundleManager.Instance.LoadResouceAssetBundle(crc);
if (item != null && item.m_AssetBundle != null)
{
if (item.m_Obj != null)
{
obj = item.m_Obj as T;
}
else
{
obj = item.m_AssetBundle.LoadAsset <T>(item.m_AssetName);
}
}
}
CacheResource(path, ref item, crc, obj);
return(obj);
}