/// <summary>
/// 解析cache.txt 文本 string ab源资源名字（Assets/perfabs/cube.perfab），value为该ab的哈希值等其他详细信息
/// </summary>
private Dictionary <string, CacheFileDataModel> ResolveCacheFile(string cacheFileText)
{
try
{
Dictionary <string, CacheFileDataModel> cacheFileDataModelDic = new Dictionary <string, CacheFileDataModel>();
using (StringReader sr = new StringReader(cacheFileText))
{
//TODO 版本比较(暂时不作处理)
string vString = sr.ReadLine();
//读取缓存ab的信息
while (true)
{
string path = sr.ReadLine();//ab资源的源路径（打包前的路径）
if (path == null)
{
break;
}
CacheFileDataModel cache = new CacheFileDataModel();
cache.fileHash = sr.ReadLine();
cache.metaHash = sr.ReadLine();
cache.bundleCrc = sr.ReadLine();
int depsCount = Convert.ToInt32(sr.ReadLine());
cache.depNames = new string[depsCount];
for (int i = 0; i < depsCount; i++)
{
cache.depNames[i] = sr.ReadLine();
}
cacheFileDataModelDic.Add(path, cache);
}
}
return(cacheFileDataModelDic);
}
catch (Exception e)
{
DebugManager.LogError("解析cache.txt 文本 出错！" + e.Message);
}
return(null);
}
/// <summary>
/// 【从参数1文件夹】中拷贝【参数3中的文件名】到【参数2文件夹】中
/// </summary>
private IEnumerator CopyAssetBundle(string resDicUrl, string targetDicUrl, IEnumerable fileNames)
{
foreach (var v in fileNames)
{
using (WWW www = new WWW(resDicUrl + v))
{
yield return(www);
if (www.isDone && string.IsNullOrEmpty(www.error))
{
using (FileStream fs = new FileStream(targetDicUrl + v, FileMode.OpenOrCreate))
{
fs.Write(www.bytes, 0, www.bytes.Length);
fs.Close();
}
}
else
{
DebugManager.LogError("文件拷贝出错!" + resDicUrl + v + "error:" + www.error);
}
}
}
}
/// <summary>
/// 下载文本文件 参数1：文件下载路径 回调参数：下载好的text
/// </summary>
private static IEnumerator DownLoadFileText(string url, Action <string> onComplete)
{
using (WWW www = new WWW(url))
{
yield return(www);
if (www.isDone)
{
if (string.IsNullOrEmpty(www.error))
{
onComplete(www.text);
}
else
{
DebugManager.LogError("文本文件下载出错！error:" + www.error + " url:" + url);
}
}
else
{
DebugManager.LogError("文本文件下载失败 ！url:" + url);
}
}
}
/// <summary>
/// 任务下载器
/// </summary>
private IEnumerator DownloadTaskMangage(AssetBundleDownloadTaskModel task)
{
downloadTaskMangageState = true;//状态位标志
string downLoadUrl = ABDataConfig.GetAssetBundleUrl + ABDataConfig.getAssetBundleApiName;
DebugManager.Log("任务开始下载：" + task.ToString());
AssetBundleDownloadModel tempABModel = null;//中间变量
#region 遍历未下载列表资源，开启下载
for (int i = 0; i < task.downloadNOModels.Count; ++i)
{
tempABModel = task.downloadNOModels[i];
DownloadModel downModel = new DownloadModel();
//下载资源文件
task.taskMessage = "下载资源" + tempABModel.assetBundleFileName;
downModel.postDatas = System.Text.Encoding.UTF8.GetBytes(tempABModel.assetBundleFileName);
yield return(DownloadABFile(downLoadUrl, downModel));
tempABModel.assetBundleData = downModel.resultDatas;
//下载资源mainfest文件
task.taskMessage = "下载资源" + tempABModel.assetBundleManifestFileName;
downModel.postDatas = System.Text.Encoding.UTF8.GetBytes(tempABModel.assetBundleManifestFileName);
yield return(DownloadABFile(downLoadUrl, downModel));
tempABModel.assetBundleManifestData = downModel.resultDatas;
if (tempABModel != null && tempABModel.assetBundleManifestData != null && tempABModel.assetBundleData != null)
{
DebugManager.Log("资源：" + tempABModel.assetBundleName + "下载成功！准备写入本地文件！");
//TODO 写入文件
bool result = FileManager.CreateFile(ABDataConfig.localABFullName + tempABModel.assetBundleFileName, tempABModel.assetBundleData);
if (result)
{
result = FileManager.CreateFile(ABDataConfig.localABFullName + tempABModel.assetBundleManifestFileName, tempABModel.assetBundleManifestData);
}
if (result)
{
task.downloadOKModels.Add(tempABModel);//添加到成功队列中
}
else
{
DebugManager.Log("资源：" + tempABModel.assetBundleName + "下载成功，写入文件异常！");
task.downloadErrorModels.Add(tempABModel);//添加到失败队列中
}
}
else
{
DebugManager.Log("资源：" + tempABModel.assetBundleName + "下载异常！数据错误！");
task.downloadErrorModels.Add(tempABModel);//添加到失败队列中
}
task.downloadNOModels.RemoveAt(i--);//移出未下载队列
tempABModel = null;
}
#endregion
//判断任务是否成功或者失败
if (task.downloadErrorModels != null && task.downloadErrorModels.Count > 0)
{
DebugManager.LogWarning("任务：" + task.ToString() + "下载失败！");
task.taskState = TaskState.TaskError;
task.taskMessage = task.downloadErrorModels.Count + "个资源下载失败！重新下载！";
downloadErrorTasks.Enqueue(task);
}
else
{
DebugManager.LogWarning("任务：" + task.ToString() + "下载成功！");
task.taskState = TaskState.TaskOk;
task.taskMessage = "下载完成";
downloadSuccessTasks.Add(task);
}
//当前任务下载结束
downloadTaskMangageState = false;
}