Initial commit

Assets/YooAsset/Runtime/PatchSystem/PlayMode/HostPlayModeImpl.cs

@@ -0,0 +1,252 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+
+namespace YooAsset
+{
+	internal class HostPlayModeImpl : IBundleServices
+	{
+		// 补丁清单
+		internal PatchManifest AppPatchManifest;
+		internal PatchManifest LocalPatchManifest;
+
+		// 参数相关
+		internal bool ClearCacheWhenDirty { private set; get; }
+		internal bool IgnoreResourceVersion { private set; get; }
+		private string _defaultHostServer;
+		private string _fallbackHostServer;
+
+		/// <summary>
+		/// 异步初始化
+		/// </summary>
+		public InitializationOperation InitializeAsync(bool clearCacheWhenDirty, bool ignoreResourceVersion,
+			 string defaultHostServer, string fallbackHostServer)
+		{
+			ClearCacheWhenDirty = clearCacheWhenDirty;
+			IgnoreResourceVersion = ignoreResourceVersion;
+			_defaultHostServer = defaultHostServer;
+			_fallbackHostServer = fallbackHostServer;
+
+			var operation = new HostPlayModeInitializationOperation(this);
+			OperationUpdater.ProcessOperaiton(operation);
+			return operation;
+		}
+
+		/// <summary>
+		/// 异步更新补丁清单
+		/// </summary>
+		public UpdateManifestOperation UpdatePatchManifestAsync(int updateResourceVersion, int timeout)
+		{
+			var operation = new HostPlayModeUpdateManifestOperation(this, updateResourceVersion, timeout);
+			OperationUpdater.ProcessOperaiton(operation);
+			return operation;
+		}
+
+		/// <summary>
+		/// 获取资源版本号
+		/// </summary>
+		public int GetResourceVersion()
+		{
+			if (LocalPatchManifest == null)
+				return 0;
+			return LocalPatchManifest.ResourceVersion;
+		}
+
+		/// <summary>
+		/// 获取内置资源标记列表
+		/// </summary>
+		public string[] GetManifestBuildinTags()
+		{
+			if (LocalPatchManifest == null)
+				return new string[0];
+			return LocalPatchManifest.GetBuildinTags();
+		}
+
+		/// <summary>
+		/// 创建补丁下载器
+		/// </summary>
+		public PatchDownloader CreateDLCDownloader(string[] dlcTags, int fileLoadingMaxNumber, int failedTryAgain)
+		{
+			List<AssetBundleInfo> downloadList = GetDLCDownloadList(dlcTags);
+			PatchDownloader downlader = new PatchDownloader(this, downloadList, fileLoadingMaxNumber, failedTryAgain);
+			return downlader;
+		}
+		private List<AssetBundleInfo> GetDLCDownloadList(string[] dlcTags)
+		{
+			List<PatchBundle> downloadList = new List<PatchBundle>(1000);
+			foreach (var patchBundle in LocalPatchManifest.BundleList)
+			{
+				// 忽略缓存文件
+				if (DownloadSystem.ContainsVerifyFile(patchBundle.Hash))
+					continue;
+
+				// 忽略APP资源
+				// 注意：如果是APP资源并且哈希值相同，则不需要下载
+				if (AppPatchManifest.Bundles.TryGetValue(patchBundle.BundleName, out PatchBundle appPatchBundle))
+				{
+					if (appPatchBundle.IsBuildin && appPatchBundle.Hash == patchBundle.Hash)
+						continue;
+				}
+
+				// 如果是纯内置资源，则统一下载
+				// 注意：可能是新增的或者变化的内置资源
+				// 注意：可能是由热更资源转换的内置资源
+				if (patchBundle.IsPureBuildin())
+				{
+					downloadList.Add(patchBundle);
+				}
+				else
+				{
+					// 查询DLC资源
+					if (patchBundle.HasTag(dlcTags))
+					{
+						downloadList.Add(patchBundle);
+					}
+				}
+			}
+
+			return ConvertToDownloadList(downloadList);
+		}
+
+		/// <summary>
+		/// 创建补丁下载器
+		/// </summary>
+		public PatchDownloader CreateBundleDownloader(List<string> assetPaths, int fileLoadingMaxNumber, int failedTryAgain)
+		{
+			List<AssetBundleInfo> downloadList = GetBundleDownloadList(assetPaths);
+			PatchDownloader downlader = new PatchDownloader(this, downloadList, fileLoadingMaxNumber, failedTryAgain);
+			return downlader;
+		}
+		private List<AssetBundleInfo> GetBundleDownloadList(List<string> assetPaths)
+		{
+			// 获取资源对象的资源包和所有依赖资源包
+			List<PatchBundle> checkList = new List<PatchBundle>();
+			foreach (var assetPath in assetPaths)
+			{
+				string mainBundleName = LocalPatchManifest.GetAssetBundleName(assetPath);
+				if (string.IsNullOrEmpty(mainBundleName) == false)
+				{
+					if (LocalPatchManifest.Bundles.TryGetValue(mainBundleName, out PatchBundle mainBundle))
+					{
+						if (checkList.Contains(mainBundle) == false)
+							checkList.Add(mainBundle);
+					}
+				}
+
+				string[] dependBundleNames = LocalPatchManifest.GetAllDependencies(assetPath);
+				foreach (var dependBundleName in dependBundleNames)
+				{
+					if (LocalPatchManifest.Bundles.TryGetValue(dependBundleName, out PatchBundle dependBundle))
+					{
+						if (checkList.Contains(dependBundle) == false)
+							checkList.Add(dependBundle);
+					}
+				}
+			}
+
+			List<PatchBundle> downloadList = new List<PatchBundle>(1000);
+			foreach (var patchBundle in checkList)
+			{
+				// 忽略缓存文件
+				if (DownloadSystem.ContainsVerifyFile(patchBundle.Hash))
+					continue;
+
+				// 忽略APP资源
+				// 注意：如果是APP资源并且哈希值相同，则不需要下载
+				if (AppPatchManifest.Bundles.TryGetValue(patchBundle.BundleName, out PatchBundle appPatchBundle))
+				{
+					if (appPatchBundle.IsBuildin && appPatchBundle.Hash == patchBundle.Hash)
+						continue;
+				}
+
+				downloadList.Add(patchBundle);
+			}
+
+			return ConvertToDownloadList(downloadList);
+		}
+
+		// WEB相关
+		internal string GetPatchDownloadMainURL(int resourceVersion, string fileName)
+		{
+			if (IgnoreResourceVersion)
+				return $"{_defaultHostServer}/{fileName}";
+			else
+				return $"{_defaultHostServer}/{resourceVersion}/{fileName}";
+		}
+		internal string GetPatchDownloadFallbackURL(int resourceVersion, string fileName)
+		{
+			if (IgnoreResourceVersion)
+				return $"{_fallbackHostServer}/{fileName}";
+			else
+				return $"{_fallbackHostServer}/{resourceVersion}/{fileName}";
+		}
+
+		// 下载相关
+		private AssetBundleInfo ConvertToDownloadInfo(PatchBundle patchBundle)
+		{
+			// 注意：资源版本号只用于确定下载路径
+			string sandboxPath = PatchHelper.MakeSandboxCacheFilePath(patchBundle.Hash);
+			string remoteMainURL = GetPatchDownloadMainURL(patchBundle.Version, patchBundle.Hash);
+			string remoteFallbackURL = GetPatchDownloadFallbackURL(patchBundle.Version, patchBundle.Hash);
+			AssetBundleInfo bundleInfo = new AssetBundleInfo(patchBundle, sandboxPath, remoteMainURL, remoteFallbackURL);
+			return bundleInfo;
+		}
+		private List<AssetBundleInfo> ConvertToDownloadList(List<PatchBundle> downloadList)
+		{
+			List<AssetBundleInfo> result = new List<AssetBundleInfo>(downloadList.Count);
+			foreach (var patchBundle in downloadList)
+			{
+				var bundleInfo = ConvertToDownloadInfo(patchBundle);
+				result.Add(bundleInfo);
+			}
+			return result;
+		}
+
+		#region IBundleServices接口
+		AssetBundleInfo IBundleServices.GetAssetBundleInfo(string bundleName)
+		{
+			if (string.IsNullOrEmpty(bundleName))
+				return new AssetBundleInfo(string.Empty, string.Empty);
+
+			if (LocalPatchManifest.Bundles.TryGetValue(bundleName, out PatchBundle patchBundle))
+			{
+				// 查询APP资源
+				if (AppPatchManifest.Bundles.TryGetValue(bundleName, out PatchBundle appPatchBundle))
+				{
+					if (appPatchBundle.IsBuildin && appPatchBundle.Hash == patchBundle.Hash)
+					{
+						string appLoadPath = AssetPathHelper.MakeStreamingLoadPath(appPatchBundle.Hash);
+						AssetBundleInfo bundleInfo = new AssetBundleInfo(appPatchBundle, appLoadPath);
+						return bundleInfo;
+					}
+				}
+
+				// 查询沙盒资源				
+				if (DownloadSystem.ContainsVerifyFile(patchBundle.Hash))
+				{
+					string sandboxLoadPath = PatchHelper.MakeSandboxCacheFilePath(patchBundle.Hash);
+					AssetBundleInfo bundleInfo = new AssetBundleInfo(patchBundle, sandboxLoadPath);
+					return bundleInfo;
+				}
+
+				// 从服务端下载
+				return ConvertToDownloadInfo(patchBundle);
+			}
+			else
+			{
+				Logger.Warning($"Not found bundle in patch manifest : {bundleName}");
+				AssetBundleInfo bundleInfo = new AssetBundleInfo(bundleName, string.Empty);
+				return bundleInfo;
+			}
+		}
+		string IBundleServices.GetAssetBundleName(string assetPath)
+		{
+			return LocalPatchManifest.GetAssetBundleName(assetPath);
+		}
+		string[] IBundleServices.GetAllDependencies(string assetPath)
+		{
+			return LocalPatchManifest.GetAllDependencies(assetPath);
+		}
+		#endregion
+	}
+}