public static async Task <LoaderRequest> Load(string rURL)
{
LoaderRequest rRequest = new LoaderRequest(rURL);
string rVersionURL = rRequest.Url;
WWWAssist.LoaderRequest rWWWVersionRequest = await WWWAssist.LoadFile(rVersionURL);
if (rWWWVersionRequest.Bytes == null || rWWWVersionRequest.Bytes.Length == 0)
{
return(null);
}
ABVersion rVersion = new ABVersion();
using (var ms = new MemoryStream(rWWWVersionRequest.Bytes))
{
using (var br = new BinaryReader(ms))
{
rVersion.Deserialize(br);
}
}
rRequest.Version = rVersion;
return(rRequest);
}
public IEnumerator Initialize()
{
GameLoading.Instance.StartLoading(1.0f, "游戏初始化阶段，开始检查资源更新...");
// 加载Streaming空间下的版本MD5码
var rStreamingMD5Request = WWWAssist.LoadFile(ABPlatform.Instance.GetStreamingUrl_CurPlatform(ABVersion.ABVersion_File_MD5));
yield return(rStreamingMD5Request);
mStreamingMD5 = rStreamingMD5Request.Text;
Debug.Log("--- Streaming MD5: " + mStreamingMD5);
if (!ABPlatform.Instance.IsDevelopeMode())
{
// 加载Persitent空间下的版本MD5码
var rPersistentMD5Request = WWWAssist.LoadFile(ABPlatform.Instance.GetPersistentUrl_CurPlatform(ABVersion.ABVersion_File_MD5));
yield return(rPersistentMD5Request);
mPersistentMD5 = rPersistentMD5Request.Text;
Debug.Log("--- Persistent MD5: " + mPersistentMD5);
// 加载服务器上的版本MD5码
var rServerMD5Request = WebRequestAssist.DownloadFile(ABPlatform.Instance.GetServerUrl_CurPlatform(ABVersion.ABVersion_File_MD5));
yield return(rServerMD5Request);
mServerMD5 = rServerMD5Request.Text;
Debug.Log("--- Server MD5: " + mServerMD5);
// 加载Persisntent空间的版本信息文件
var rPersistentVersionRequest = ABVersion.Load(ABPlatform.Instance.GetPersistentUrl_CurPlatform(ABVersion.ABVersion_File_Bin));
yield return(rPersistentVersionRequest);
mPersistentVersion = rPersistentVersionRequest.Version;
if (!string.IsNullOrEmpty(mServerMD5) && !mServerMD5.Equals(mPersistentMD5))
{
GameLoading.Instance.Hide();
// 开始下载
yield return(this.UpdateResource_Sync());
}
}
GameLoading.Instance.StartLoading(0.2f, "游戏初始化阶段，开始加载资源...");
// 加载Streaming空间的版本信息文件
var rStreamingVersionRequest = ABVersion.Load(ABPlatform.Instance.GetStreamingUrl_CurPlatform(ABVersion.ABVersion_File_Bin));
yield return(rStreamingVersionRequest);
mStreamingVersion = rStreamingVersionRequest.Version;
// 生成最终用于资源加载的版本信息
this.GenerateCombineVersion();
GameLoading.Instance.Hide();
}
/// <summary>
/// 加载Manifest
/// </summary>
private static IEnumerator LoadManifest(string rManifestURL, Action <AssetBundleManifest> rLoadCompleted)
{
WWW www = new WWW(rManifestURL);
yield return(www);
if (www == null || !string.IsNullOrEmpty(www.error))
{
Debug.Log("加载Manifest出错: " + www.error);
UtilTool.SafeExecute(rLoadCompleted, null);
yield break;
}
var rABManifest = www.assetBundle.LoadAsset <AssetBundleManifest>("AssetBundleManifest") as AssetBundleManifest;
WWWAssist.Dispose(ref www);
UtilTool.SafeExecute(rLoadCompleted, rABManifest);
}
private static IEnumerator Load_Async(LoaderRequest rRequest)
{
string rVersionURL = rRequest.Url;
WWWAssist.LoaderRequest rWWWVersionRequest = WWWAssist.LoadFile(rVersionURL);
yield return(rWWWVersionRequest);
if (rWWWVersionRequest.Bytes == null || rWWWVersionRequest.Bytes.Length == 0)
{
yield break;
}
ABVersion rVersion = new ABVersion();
using (var ms = new MemoryStream(rWWWVersionRequest.Bytes))
{
using (var br = new BinaryReader(ms))
{
rVersion.Deserialize(br);
}
}
rRequest.Version = rVersion;
}
private IEnumerator LoadManifest_Async(string rManifrestUrl)
{
isManifestLoadCompleted = false;
WWW www = WWWAssist.Load(rManifrestUrl);
yield return(www);
if (!string.IsNullOrEmpty(www.error))
{
isManifestLoadCompleted = true;
yield break;
}
this.manifest = www.assetBundle.LoadAsset("AssetBundleManifest") as AssetBundleManifest;
WWWAssist.Destroy(ref www);
string[] rALLAB = this.manifest.GetAllAssetBundles();
assetLoadInfos = new Dict <string, AssetLoadInfo>();
for (int i = 0; i < rALLAB.Length; i++)
{
// 开始构建AssetLoadInfo
AssetLoadInfo rAssetLoadInfo = new AssetLoadInfo();
rAssetLoadInfo.abPath = rALLAB[i];
rAssetLoadInfo.abName = rALLAB[i];
string[] rDependABs = this.manifest.GetDirectDependencies(rALLAB[i]);
rAssetLoadInfo.abDependNames = rDependABs;
rAssetLoadInfo.isLoading = false;
rAssetLoadInfo.isLoadCompleted = false;
rAssetLoadInfo.cacheAsset = null;
rAssetLoadInfo.refCount = 0;
assetLoadInfos.Add(rAssetLoadInfo.abName, rAssetLoadInfo);
}
isManifestLoadCompleted = true;
}
private IEnumerator LoadAsset_Async(LoaderRequest rRequest)
{
// 确认Manifest已经加载完成
while (!isManifestLoadCompleted)
{
yield return(0);
}
AssetLoadInfo rAssetLoadInfo = null;
if (!assetLoadInfos.TryGetValue(rRequest.path, out rAssetLoadInfo))
{
Debug.LogErrorFormat("找不到该资源 -- {0}", rRequest.path);
rRequest.asset = null;
yield break;
}
// 确认该资源是否已经加载完成或者正在被加载
while (rAssetLoadInfo.isLoading && !rAssetLoadInfo.isLoadCompleted)
{
yield return(0);
}
//引用计数加1
rAssetLoadInfo.refCount++;
// 如果该资源加载完成了
if (!rAssetLoadInfo.isLoading && rAssetLoadInfo.isLoadCompleted)
{
if (!string.IsNullOrEmpty(rRequest.assetName))
{
AssetBundleRequest rABRequest = rAssetLoadInfo.cacheAsset.LoadAssetAsync(rRequest.assetName);
yield return(rABRequest);
rRequest.asset = rABRequest.asset;
}
yield break;
}
// 开始加载资源依赖项
if (rAssetLoadInfo.abDependNames != null)
{
for (int i = rAssetLoadInfo.abDependNames.Length - 1; i >= 0; i--)
{
string rDependABPath = rAssetLoadInfo.abDependNames[i];
string rDependABName = rDependABPath;
LoaderRequest rDependAssetRequest = new LoaderRequest(rDependABName, "", false);
rDependAssetRequest.Start(LoadAsset_Async(rDependAssetRequest));
yield return(rDependAssetRequest.Coroutine);
}
}
//开始加载当前的资源包
rAssetLoadInfo.isLoading = true;
rAssetLoadInfo.isLoadCompleted = false;
string rAssetLoadUrl = AssetPlatformManager.Instance.GetStreamingUrl_CurPlatform(rAssetLoadInfo.abPath);
WWW www = new WWW(rAssetLoadUrl);
yield return(www);
// 如果是一个直接的资源，将资源的对象取出来
rAssetLoadInfo.cacheAsset = www.assetBundle;
WWWAssist.Destroy(ref www);
// 加载Object
if (!string.IsNullOrEmpty(rRequest.assetName))
{
if (!rRequest.isScene)
{
AssetBundleRequest rABRequest = rAssetLoadInfo.cacheAsset.LoadAssetAsync(rRequest.assetName);
yield return(rABRequest);
rRequest.asset = rABRequest.asset;
}
else
{
rAssetLoadInfo.cacheAsset.GetAllScenePaths();
}
}
rAssetLoadInfo.isLoading = false;
rAssetLoadInfo.isLoadCompleted = true;
}