/// <summary>
/// 克隆（浅克隆）
/// </summary>
/// <returns>一个新的BundleLoadInfo实例</returns>
public BundleLoadInfo clone()
{
BundleLoadInfo newInfo = new BundleLoadInfo();
newInfo.fullName = fullName;
newInfo.loadProgressNum = loadProgressNum;
newInfo.unZipProgressNum = unZipProgressNum;
newInfo.error = error;
newInfo.assetBundle = assetBundle;
newInfo.priority = priority;
newInfo.loadType = loadType;
newInfo.www = www;
newInfo.assets = assets;
newInfo.loadStart = loadStart;
newInfo.loadProgress = loadProgress;
newInfo.loadEnd = loadEnd;
newInfo.loadFail = loadFail;
return newInfo;
}
/// <summary>
/// 存储数据
/// </summary>
private void store(BundleLoadInfo loadInfo)
{
WWW www = loadInfo.www;
if (www.url.Contains(LoadConstant.CDN))
{
ManifestVO vo = ManifestManager.instance.getManifestVO(loadInfo.fullName);
File.WriteAllBytes(LoadConstant.localFilesPath + "/" + loadInfo.fullName + "@" + vo.crc, www.bytes);
}
BundleLoadInfo newInfo = new BundleLoadInfo();
newInfo.fullName = loadInfo.fullName;
newInfo.loadProgressNum = 1;
newInfo.assetBundle = www.assetBundle;
cacheDic.Add(newInfo.fullName, newInfo);
}
/// <summary>
/// 加载具体的项
/// </summary>
/// <param name="loadInfo"></param>
private void addLoadItem(BundleLoadInfo loadInfo)
{
ManifestVO vo = ManifestManager.instance.getManifestVO(loadInfo.fullName);
if (File.Exists(LoadConstant.localFilesPath + "/" + loadInfo.fullName + "@" + vo.crc))
{
if (loadInfo.loadType == LoadType.web)
{
if (loadInfo.loadStart != null)
{
loadInfo.loadStart(LoadData.getLoadData(loadInfo.fullName));
}
if (loadInfo.loadEnd != null)
{
loadInfo.loadEnd(LoadData.getLoadData(loadInfo.fullName, 1));
}
return;
}
else
{
loadInfo.loadType = LoadType.local;
}
}
else
{
if (loadInfo.loadType == LoadType.local)
{
Debug.LogWarning(loadInfo.fullName + "加载失败：" + LoadConstant.LOCAL_LOAD_ERROR);
if (loadInfo.loadStart != null)
{
loadInfo.loadStart(LoadData.getLoadData(loadInfo.fullName));
}
if (loadInfo.loadFail != null)
{
loadInfo.loadFail(LoadData.getLoadData(loadInfo.fullName, 0, LoadConstant.LOCAL_LOAD_ERROR));
}
return;
}
else
{
loadInfo.loadType = LoadType.web;
}
}
//已经在缓存中
if (cacheDic.ContainsKey(loadInfo.fullName))
{
if (loadInfo.loadStart != null)
{
loadInfo.loadStart(LoadData.getLoadData(loadInfo.fullName));
}
if (loadInfo.loadEnd != null)
{
loadInfo.loadEnd(LoadData.getLoadData(loadInfo.fullName, 1, null, cacheDic[loadInfo.fullName].assetBundle));
}
return;
}
//已经在加载过程中
BundleLoadInfo info = getInLoadingList(loadInfo.fullName);
if (info != null)
{
if (loadInfo.loadStart != null)
{
loadInfo.loadStart(LoadData.getLoadData(loadInfo.fullName));
}
delegateAddition(info.loadProgress, loadInfo.loadProgress);
delegateAddition(info.loadEnd, loadInfo.loadEnd);
delegateAddition(info.loadFail, loadInfo.loadFail);
return;
}
//已经在等待列表中
info = getInWaitList(loadInfo.fullName);
if (info != null)
{
//如果优先级不一致，则转为优先级较高的（即数字小的）
if ((int)info.priority > (int)loadInfo.priority)
{
waitLists[(int)loadInfo.priority].add(loadInfo.fullName, info);
waitLists[(int)info.priority].remove(loadInfo.fullName);
info.priority = loadInfo.priority;
}
delegateAddition(info.loadStart, loadInfo.loadStart);
delegateAddition(info.loadProgress, loadInfo.loadProgress);
delegateAddition(info.loadEnd, loadInfo.loadEnd);
delegateAddition(info.loadFail, loadInfo.loadFail);
return;
}
//添加到等待列表中
waitLists[(int)loadInfo.priority].add(loadInfo.fullName, loadInfo);
loadNext();
}
/// <summary>
/// 加载资源，如果资源已经加载过，则直接从缓存中获取
/// </summary>
/// <param name="loadInfo">加载资源的相关信息</param>
public void addLoad(BundleLoadInfo loadInfo)
{
if (string.IsNullOrEmpty(loadInfo.fullName))
{
throw new Exception("BundleLoadManager.instance.load()的fullName不能为空");
}
List<string> dependencies = ManifestManager.instance.getAllDependencies(loadInfo.fullName);
if (dependencies == null)
{
throw new Exception("未找到" + loadInfo.fullName + "的Manifest信息");
}
dependencies.Add(loadInfo.fullName);
BundleLoadInfo newInfo;
for (int i = 0, len = dependencies.Count; i < len; i++ )
{
newInfo = loadInfo.clone();
newInfo.fullName = dependencies[i];
addLoadItem(newInfo);
}
}
/// <summary>
/// 加载资源，如果资源已经加载过，则直接从缓存中获取
/// </summary>
/// <param name="fullName">全名</param>
/// <param name="priority">优先级</param>
/// <param name="loadType">加载类型</param>
/// <param name="loadStart">加载开始前执行的方法</param>
/// <param name="loadProgress">加载开始后且在结束前每帧执行的方法</param>
/// <param name="loadEnd">加载结束后执行的方法</param>
/// <param name="loadFail">加载失败后执行的方法</param>
public void addLoad(string fullName, LoadPriority priority = LoadPriority.two, LoadType loadType = LoadType.local,
LoadFunctionDele loadStart = null, LoadFunctionDele loadProgress = null,
LoadFunctionDele loadEnd = null, LoadFunctionDele loadFail = null)
{
BundleLoadInfo loadInfo = new BundleLoadInfo();
loadInfo.fullName = fullName;
loadInfo.priority = priority;
loadInfo.loadType = loadType;
loadInfo.loadStart = loadStart;
loadInfo.loadProgress = loadProgress;
loadInfo.loadEnd = loadEnd;
loadInfo.loadFail = loadFail;
addLoad(loadInfo);
}