private List <HotUpdateAssetItem> CheckDifferent(HotUpdateAssetsList localList, HotUpdateAssetsList serverList)
{
var differentList = new List <HotUpdateAssetItem>();
Dictionary <string, HotUpdateAssetItem> dictionary = new Dictionary <string, HotUpdateAssetItem>();
for (int i = 0; i < localList.assetList.Count; i++)
{
var item = localList.assetList[i];
dictionary.Add(item.assetPath, item);
}
for (int i = 0; i < serverList.assetList.Count; i++)
{
var item = serverList.assetList[i];
if (dictionary.ContainsKey(item.assetPath))
{
if (dictionary[item.assetPath].md5 != item.md5)
{
differentList.Add(item);
}
}
else
{
differentList.Add(item);
}
}
return(differentList);
}
public void CheckNeedUpdate()
{
//从资源服务器下载，资源列表
_resourceLoader.LoadRemoteAsset(Path.Combine(Application.platform.ToString(), assetsListName), "", (data) =>
{
string jsonStr = System.Text.Encoding.UTF8.GetString(data);
HotUpdateAssetsList serverAssetsList = JsonUtility.FromJson <HotUpdateAssetsList>(jsonStr);
//读取本地资源维护表
string localAssetOutAppFilePath = Path.Combine(Application.persistentDataPath, localAssetOutAppName);
if (File.Exists(localAssetOutAppFilePath))
{
localAssetOutAppList = JsonUtility.FromJson <HotUpdateAssetsList>(File.ReadAllText(localAssetOutAppFilePath));
}
else
{
localAssetOutAppList = new HotUpdateAssetsList();//记录本地已经热更新过得资源
}
//读取本地资源md5文件
string localListPath = "";
if (!File.Exists(Path.Combine(Application.persistentDataPath, assetsListName)))//应该是没更新过，本地资源列表还在app包内
{
// FileStream file = new FileStream(filePath, System.IO.FileMode.Open);
localListPath = UrlCombine.GetLocalUrl(assetsListName, true, Application.platform);
}
else
{
localListPath = UrlCombine.GetLocalUrl(assetsListName, false, Application.platform);
}
//加载本地表，加载完成后比较本地和服务器返回表
string localAssetListJsonStr = File.ReadAllText(localListPath);
HotUpdateAssetsList localAssetList = JsonUtility.FromJson <HotUpdateAssetsList>(localAssetListJsonStr);
List <HotUpdateAssetItem> needUpdateAssetList = CheckDifferent(localAssetList, serverAssetsList);
//加在更新资源
int loadedAssetCouint = 0;
for (int i = 0; i < needUpdateAssetList.Count; i++)
{
var assetInfo = needUpdateAssetList[i];
_resourceLoader.LoadRemoteAsset(assetInfo.assetPath, assetInfo.md5, (assetBytes) =>
{
loadedAssetCouint++;
UpdateOutAppAssetPath(assetInfo);
string assetPath = Path.Combine(Application.persistentDataPath, assetInfo.assetPath);
WriteFile(assetPath, assetBytes);
if (loadedAssetCouint == needUpdateAssetList.Count)
{
//全部资源更新完成,更新本地表格
string assetListJsonString = JsonUtility.ToJson(serverAssetsList);
WriteFile(Path.Combine(Application.persistentDataPath, assetsListName), assetListJsonString);
string assetOutAppJsonString = JsonUtility.ToJson(localAssetOutAppList);
WriteFile(localAssetOutAppFilePath, assetOutAppJsonString);
}
});
}
});
}
private static void CreateAssetList(string assetBundleFullPath)
{
EditorUtility.DisplayProgressBar("CreateAssetsList", "progress: ", 0);
//读取所有文件，并创建md5文件
HotUpdateAssetsList hotUpdateAssetsList = new HotUpdateAssetsList();
DirectoryInfo directoryInfo = new DirectoryInfo(assetBundleFullPath);
FileInfo[] allAsset = directoryInfo.GetFiles();
for (int i = 0; i < allAsset.Length; i++)
{
EditorUtility.DisplayProgressBar("CreateAssetsList", "progress: ", 1f * i / allAsset.Length);
FileInfo fileInfo = allAsset[i];
string fullName = fileInfo.FullName.Replace("\\", "/");
string rootDirectoryPath = assetBundleFullPath.Replace("\\", "/");
string assetName = fullName.Substring(rootDirectoryPath.Length + 1);
if (assetName == assetListName)
{
continue;
}
if (assetName.Split('.').Length > 0)
{
assetName = assetName.Split('.')[0];
}
//StreamReader fileStream = fileInfo.OpenText();
//string fileStr = fileStream.ReadToEnd();
//fileStream.Close();
string md5 = MD5Builder.BuildMD5(fileInfo.FullName);
HotUpdateAssetItem hotUpdateAssetItem = new HotUpdateAssetItem(assetName, md5);
hotUpdateAssetsList.assetList.Add(hotUpdateAssetItem);
}
EditorUtility.ClearProgressBar();
EditorUtility.DisplayProgressBar("Write \"CreateAssetsList to file\" ", "progress: ", 0);
string assetListJsonStr = JsonUtility.ToJson(hotUpdateAssetsList);
string assetListPath = Path.Combine(assetBundleFullPath, assetListName);
File.WriteAllText(assetListPath, assetListJsonStr);
EditorUtility.ClearProgressBar();
}
