public AssetUpdateDifferenceList Compare(AssetUpdateAssetList newAssetList, AssetUpdateAssetList oldAssetList)
{
if (oldAssetList == null || newAssetList == null)
{
return(this);
}
var oldDict = oldAssetList.GetDictByPath();
var newDict = newAssetList.GetDictByPath();
int maxCount = Math.Max(oldAssetList.fileItems.Length, newAssetList.fileItems.Length);
for (int i = 0; i < maxCount; i++)
{
var oldItem = i < oldAssetList.fileItems.Length ? oldAssetList.fileItems[i] : null;
var newItem = i < newAssetList.fileItems.Length ? newAssetList.fileItems[i] : null;
if (newItem != null)
{
if (oldDict.TryGetValue(newItem.filePath, out var sideOldItem))
{
//变更的
if (string.Compare(newItem.fileMd5, sideOldItem.fileMd5, true) != 0)
{
var item = new Item(newItem);
var modifyGroup = GetModifyGroup();
var modifyList = modifyGroup.GetDict();
modifyList.Add(item.filePath, item);
modifyGroup.size += newItem.fileSize;
}
}
else //新增的
{
var item = new Item(newItem);
var addGroup = GetAddGroup();
var addList = addGroup.GetDict();
addList.Add(item.filePath, item);
addGroup.size += newItem.fileSize;
}
}
if (oldItem != null)
{
if (!newDict.ContainsKey(oldItem.filePath)) //移除的
{
var item = new Item(oldItem);
var removeGroup = GetRemoveGroup();
var removeList = removeGroup.GetDict();
removeList.Add(item.filePath, item);
removeGroup.size += oldItem.fileSize;
}
}
}
return(this);
}
////////////////////////////
protected IEnumerator OnUpdateAsset()
{
AssetUpdateAssetList newAssetList = new AssetUpdateAssetList(); //从服务器下载下来的资源列表
AssetUpdateAssetList oldAssetList = new AssetUpdateAssetList();
//从远端下载资源列表到本地
bool isNetworkDownloadFinish = false;
var networkAssetList = GetNetworkAssetPath();
if (!File.Exists(networkAssetList))
{
var networkAssetListUrl = GetNetworkAssetUrl();
var task = AssetDownloadManager.GetInstance().Download(new string[] { networkAssetListUrl }, new string[] { networkAssetList });
task.onCompleted = (_) => { isNetworkDownloadFinish = true; };
//等待下载结束
while (!isNetworkDownloadFinish)
{
yield return(null);
}
}
if (File.Exists(assetFolderPath))
{
oldAssetList.Import(assetFolderPath);
}
else
{
onFinish?.Invoke(-1);
yield break;
}
//读取本地资源列表
var localAssetList = GetLocalAssetListPath();
if (!File.Exists(localAssetList))
{
oldAssetList.Scan(assetFolderPath);
oldAssetList.Export(localAssetList);
}
else
{
oldAssetList.Import(assetFolderPath);
}
//配置列表读取
var networkConfigList = GetNetworkConfigPath();
AssetUpdateConfigList configList = null;
if (File.Exists(networkConfigList))
{
configList = new AssetUpdateConfigList();
configList.Import(networkConfigList);
}
//做资源对比
AssetUpdateDifferenceList differenceList = new AssetUpdateDifferenceList();
differenceList.Compare(newAssetList, oldAssetList);
if (differenceList.IsVerify()) //资源一致,不需要更新
{
onFinish?.Invoke(0);
yield break;
}
//差异表转成更新列表去更新
AssetUpdateUpdateList assetUpdateUpdateList = new AssetUpdateUpdateList(updateDownloadUrl, downloadFolderPath, assetFolderPath);
assetUpdateUpdateList.Convert(differenceList, configList);
//启动更新
bool isUpdateFinsin = false;
AssetUpdateUpdater updater = new AssetUpdateUpdater(assetUpdateUpdateList);
updater.Update();
updater.onFinish = () => { isUpdateFinsin = true; };
while (!isUpdateFinsin)
{
yield return(null);
}
onFinish?.Invoke(1);
yield break;
}