/// <summary>
/// 服务器的AssetBundle 配置
/// </summary>
protected virtual IEnumerator GetServerAssetConfigureRecordText(System.Action callback)
{
Debug.LogInfor("GetServerABundleRecordText");
WWW ww = new WWW(m_ServerAseetPath + m_AssetConfigurePath + ".txt");
yield return(ww);
if (string.IsNullOrEmpty(ww.error) == false)
{
Debug.LogError("GetServerABundleRecordText Fail Error: " + ww.error);
OnDownLoadServerConfigFail();
yield break;
}
m_ServerConfigureStr = ww.text; //保存配置文件
m_ServerAssetRecord = JsonMapper.ToObject <HotAssetRecordInfor>(ww.text);
if (m_ServerAssetRecord == null)
{
Debug.LogError("Server ABInfor Can't Identify");
OnDownLoadServerConfigFail();
yield break;
}
if (callback != null)
{
callback();
}
}
/// <summary>
/// 加载本地的AB资源配置文件
/// </summary>
protected void GetLocalAseetConfigureRecordText()
{
string assetText = "";
string filePath = m_AssetSaveTopPath + m_AssetConfigurePath + ".txt";
//****首先读取外部的配置文件
if (File.Exists(filePath))
{
Debug.LogInfor("GetLocalAseetConfigureRecordText is OutStorage directory");
assetText = File.ReadAllText(filePath);
}
else
{
Debug.LogInfor("GetLocalAseetConfigureRecordText is Resources directory");
TextAsset textAsset = Resources.Load <TextAsset>(m_AssetConfigurePath);
if (textAsset == null)
{
Debug.LogInfor("Resource Configure Not Exit");
m_LocalAssetRecord = null;
return;
}
assetText = textAsset.text;
}//随包的 配置文件
m_LocalAssetRecord = JsonMapper.ToObject <HotAssetRecordInfor>(assetText);
}
/// <summary>
/// 重置状态
/// </summary>
protected virtual void InitialState()
{
m_TotalDownLoadAssetCount = 0;
m_AllNeedDownLoadAssetCount = m_CurrentDownLoadCount = 0;
m_AllDownLoadFailAssetRecord.Clear();
m_AllNeedUpdateAssetPath.Clear();
m_AllCompleteDownLoadAssetDic.Clear();
m_LocalAssetRecord = m_ServerAssetRecord = null;
m_IsCompleteMD5 = m_IsDownLoadServerConfigure = false;
m_IsCompleteUpdate = false;
m_IsUpdateRecorded = false;
if (Directory.Exists(m_AssetSaveTopPath) == false)
{
Directory.CreateDirectory(m_AssetSaveTopPath); //ABundle 资源目录初始化
}
}
/// <summary>
/// 更新本地的配置文件 防止由于意外下载完成一半而导致部分 Asset 已经更新但是配置文件没有更新的问题
/// </summary>
/// <param name="forceRecord">是否忽略下载的文件个数限制</param>
protected virtual void UpdateLocalRecordConfigureText(bool forceRecord)
{
if (m_IsCompleteUpdate || m_AllCompleteDownLoadAssetDic.Count == 0)
{
//Debug.LogInfor("UpdateLocalRecordConfigureText No Need");
return;
}//已经完成正常的更新流程
if (m_ServerAssetRecord == null)
{
Debug.LogError("UpdateLocalRecordConfigureText Fail ,Server Configure is Null");
return;
}//服务器的配置文件不存在
if (forceRecord == false && m_TotalDownLoadAssetCount % S_DownLoadCoutToRecord != 0)
{
return; //避免频繁写入文件
}
m_IsUpdateRecorded = true;
if (m_LocalAssetRecord == null)
{
m_LocalAssetRecord = new HotAssetRecordInfor();
}
#region 对比更新本地配置文件数据
HotAssetInfor bundleInfor = null;
List <string> allNewRecordKeys = new List <string>();
foreach (var abundleRecord in m_AllCompleteDownLoadAssetDic)
{
if (abundleRecord.Value)
{
continue; //已经被记录到本地了
}
if (m_LocalAssetRecord.m_AllAssetRecordsDic.TryGetValue(abundleRecord.Key, out bundleInfor))
{
if (bundleInfor.m_MD5Code != m_ServerAssetRecord.m_AllAssetRecordsDic[abundleRecord.Key].m_MD5Code)
{
// Debug.LogInfor("Need Update AssetBundle :" + abundleRecord.Key);
m_LocalAssetRecord.m_AllAssetRecordsDic[abundleRecord.Key] = m_ServerAssetRecord.m_AllAssetRecordsDic[abundleRecord.Key];
allNewRecordKeys.Add(abundleRecord.Key);
continue;
}
}
else
{
//Debug.LogInfor("New Add AssetBundle :: " + abundleRecord.Key);
if (m_ServerAssetRecord.m_AllAssetRecordsDic.ContainsKey(abundleRecord.Key))
{
m_LocalAssetRecord.m_AllAssetRecordsDic.Add(abundleRecord.Key, m_ServerAssetRecord.m_AllAssetRecordsDic[abundleRecord.Key]);
allNewRecordKeys.Add(abundleRecord.Key);
}
continue;
}
}
for (int dex = 0; dex < allNewRecordKeys.Count; ++dex)
{
m_AllCompleteDownLoadAssetDic[allNewRecordKeys[dex]] = true;
}
allNewRecordKeys.Clear();
#endregion
//***********更新本地配置文件
if (File.Exists(m_AssetSaveTopPath + m_AssetConfigurePath))
{
File.Delete(m_AssetSaveTopPath + m_AssetConfigurePath);
}
File.WriteAllText(m_AssetSaveTopPath + m_AssetConfigurePath + ".txt", JsonMapper.ToJson(m_LocalAssetRecord)); //更新配置文件
}