private IEnumerator LoadingAsset(string assetName, bool isOnlyDownLoad, DownLoadOrderType downLoadOrderType)
{
if (m_AllAssets.ContainsKey(assetName))
{
AssetPack assetPack = m_AllAssets[assetName];
string strNetLoadName = assetName + m_strAssetExtension;
if (WWWDownLoaderConfig.CheckResNeedUpdate(strNetLoadName)) //检查版本,区分是加载or下载;
{
DownLoadPack downloadPack = WWWDownLoader.InsertDownLoad(strNetLoadName, m_strAssetNetDir + strNetLoadName, DownLoadAssetType.AssetBundle, null, null, downLoadOrderType);
if (downloadPack != null)
{
while (!downloadPack.AssetReady)
{
assetPack.State = downloadPack.State;
yield return(null);
}
//资源交给AssetLoader;结束后删除wwwdownloader的任务;
assetPack.m_AssetBundle = downloadPack.Bundle;
assetPack.State = downloadPack.State;
}
else
{
assetPack.State = AssetState.Finish; //临时处理，若不下载直接标记该资源已经被释放
}
WWWDownLoader.RemoveDownLoad(strNetLoadName, null);
if (isOnlyDownLoad) //如果预下载流程;
{
assetPack.UnloadAssetBundle(true); //only下载,下载完卸载资源,结束后删除wwwdownloader的任务;
}
}
else
{
if (!isOnlyDownLoad)
{
IEnumerator itor = assetPack.LoadAsset(m_strAssetWWWDir, m_strAssetDir, m_strInAssetWWWDir, m_strAssetExtension);
while (itor.MoveNext())
{
yield return(null);
}
}
else
{
assetPack.State = AssetState.Finish;
}
}
if (assetPack.m_CallBack != null)
{
assetPack.m_CallBack(assetName);
}
//下载完后判断是不是需要自主卸载,keepLoading的情况;
assetPack.m_nKeepLoadingRefer = 0;
if (!assetPack.m_IsResident && assetPack.m_AssetRefer <= 0 && assetPack.m_nKeepLoadingRefer <= 0) //非常驻资源,没有外部使用,并且下载完成的情况下;
{
ReleaseAsset(assetName, null, false);
}
else
{
ReleaseDownLoadCoroutine(assetName);
}
}
else
{
Debug.LogError("AssetLoader LoadingAsset, m_AllAssets dont has key : " + assetName);
}
}
/// <summary>
/// 内部下载接口;
/// </summary>
private void LoadAsset(string assetName, bool bResident, Callback <string> callBack, bool isOnlyDownLoad, DownLoadOrderType downLoadOrderType, bool isKeepLoading)
{
AssetPack assetPack = null;
if (m_AllAssets.ContainsKey(assetName))
{
assetPack = m_AllAssets[assetName];
if (!assetPack.m_IsResident)
{
if (bResident)
{
assetPack.m_IsResident = true;
assetPack.m_AssetRefer = 0;
}
else
{
if (isKeepLoading) //如果外部设置为KeepLoading,那么资源会切换为KeepLoading状态;
{
assetPack.m_nKeepLoadingRefer++;
}
assetPack.m_AssetRefer++;
}
}
assetPack.m_CallBack += callBack;
if (assetPack.AssetReady)
{
if (callBack != null)
{
callBack(assetName);
}
}
}
else
{
assetPack = new AssetPack(assetName, bResident, isKeepLoading);
m_AllAssets.Add(assetName, assetPack);
assetPack.m_CallBack += callBack;
DownLoadCoroutine gtDLC = GetAssetLoadCoroutine(assetName);
if (gtDLC != null)
{
gtDLC.StartCoroutine(LoadingAsset(assetName, isOnlyDownLoad, downLoadOrderType));
}
else
{
Debug.LogError("AssetLoader LoadAssetAsync,Coroutine Obj can not be null.");
}
}
}
/// <summary>
/// 对外接口同步下载;
/// </summary>
public IEnumerator LoadAssetSync(string assetName, bool bResident, bool isOnlyDownLoad, DownLoadOrderType downLoadOrderType, bool isKeepLoading)
{
LoadAsset(assetName, bResident, null, isOnlyDownLoad, downLoadOrderType, isKeepLoading);
while (!ChechLoadReady(assetName))
{
yield return(null);
}
Messenger.Broadcast(MessangerEventDef.LOAD_ONEASSET_FINISH, MessengerMode.DONT_REQUIRE_LISTENER);
}
/// <summary>
/// 对外接口异步下载;
/// </summary>
public void LoadAssetAsync(string assetName, bool bResident, Callback <string> callBack, bool isOnlyDownLoad, DownLoadOrderType downLoadOrderType, bool isKeepLoading)
{
LoadAsset(assetName, bResident, callBack, isOnlyDownLoad, downLoadOrderType, isKeepLoading);
}
/// <summary>
/// 下载任务;
/// </summary>
/// <param name="strName">资源唯一key;</param>
/// <param name="strURL">资源下载完整URL(包含资源名,由外部组合. 不包含服务器IP地址)</param>
/// <param name="assetType">资源类型;</param>
/// <param name="callBack">外部的回调;</param>
/// <param name="exData">附加信息(音效提取有附加参数);</param>
static public DownLoadPack InsertDownLoad(string strName, string strURL, DownLoadAssetType assetType, Callback <object> callBack, object exData, DownLoadOrderType downLoadOrderType, bool debugError)
{
DownLoadPack pack = null;
if (!m_IgnoreDownLoad)
{
pack = AddDownLoadAssetPack(strName, strURL, assetType, callBack, exData, debugError);
switch (downLoadOrderType)
{
case DownLoadOrderType.Head:
{
if (m_AssetPackNameList.Contains(strName)) //重复情况,重新插入队首;
{
m_AssetPackNameList.Remove(strName);
}
m_AssetPackNameList.Insert(0, strName);
}
break;
case DownLoadOrderType.AfterRunning:
{
int nIndex = 0; //第一个等待下载的资源索引;
DownLoadPack curResPack = null;
for (nIndex = 0; nIndex < m_AssetPackNameList.Count; nIndex++)
{
if (m_AssetPackMap.ContainsKey(strName))
{
DownLoadPack gtPack = m_AssetPackMap[m_AssetPackNameList[nIndex]];
if (gtPack == null)
{
Debug.LogWarning("WWWDownLoader InsertDownLoadToWaittingBegin, gtPack can not be null.");
continue;
}
else
{
//获取第一个等待下载的资源的索引;
if (gtPack.State == AssetState.Waitting || gtPack.State == AssetState.HasRelease)
{
break;
}
//从下载队列里面获取目标资源;
if (gtPack.AssetInfo.m_strName.Equals(strName))
{
curResPack = gtPack;
}
}
}
}
if (curResPack == null || curResPack.State != AssetState.DownLoading)
{
if (m_AssetPackNameList.Contains(strName))
{
m_AssetPackNameList.Remove(strName);
}
m_AssetPackNameList.Insert(nIndex, strName);
}
}
break;
default:
Debug.LogError("WWWDownLoader InsertDownLoad, error name : " + strName + " ,downLoadOrderType: " + downLoadOrderType);
break;
}
if (m_IsShowTipsBox)
{
m_WaittingAssetPackList.Add(strName);
Messenger <Callback, Callback> .Broadcast(MessangerEventDef.DOWNLOAD_MOBILE_TIPSBOX, TipBoxCallBackYes, TipBoxCallBackNo);
}
else
{
StartAll();
}
}
return(pack);
}
static public DownLoadPack InsertDownLoad(string strName, string strURL, DownLoadAssetType assetType, Callback <object> callBack, object exData, DownLoadOrderType downLoadOrderType)
{
return(InsertDownLoad(strName, strURL, assetType, callBack, exData, downLoadOrderType, false));
}
