public async Task <GamePlayerViewModel.Parameter> GenerateGameLaunchEnvironmentAsync(GameSystemViewModel system, IFileInfo file, IDirectoryInfo rootFolder) { var dependenciesMet = await system.CheckDependenciesMetAsync(); if (!dependenciesMet || (system.CheckRootFolderRequired(file) && rootFolder == null)) { return(null); } var vfsRomPath = "ROM"; var vfsSystemPath = "System"; var vfsSavePath = "Save"; var core = system.Core; string virtualMainFilePath = null; var provider = default(IStreamProvider); if (core.NativeArchiveSupport || !ArchiveStreamProvider.SupportedExtensions.Contains(Path.GetExtension(file.Name))) { virtualMainFilePath = $"{vfsRomPath}{Path.DirectorySeparatorChar}{file.Name}"; provider = new SingleFileStreamProvider(virtualMainFilePath, file); if (rootFolder != null) { virtualMainFilePath = file.FullName.Substring(rootFolder.FullName.Length + 1); virtualMainFilePath = $"{vfsRomPath}{Path.DirectorySeparatorChar}{virtualMainFilePath}"; provider = new FolderStreamProvider(vfsRomPath, rootFolder); } } else { var archiveProvider = new ArchiveStreamProvider(vfsRomPath, file); await archiveProvider.InitializeAsync(); provider = archiveProvider; var entries = await provider.ListEntriesAsync(); virtualMainFilePath = entries.FirstOrDefault(d => system.SupportedExtensions.Contains(Path.GetExtension(d))); } var systemFolder = await system.GetSystemDirectoryAsync(); var systemProvider = new FolderStreamProvider(vfsSystemPath, systemFolder); core.SystemRootPath = vfsSystemPath; var saveFolder = await system.GetSaveDirectoryAsync(); var saveProvider = new FolderStreamProvider(vfsSavePath, saveFolder); core.SaveRootPath = vfsSavePath; provider = new CombinedStreamProvider(new HashSet <IStreamProvider>() { provider, systemProvider, saveProvider }); return(new GamePlayerViewModel.Parameter(core, provider, virtualMainFilePath)); }
public async Task <Tuple <GameLaunchEnvironment, GameLaunchEnvironment.GenerateResult> > GenerateGameLaunchEnvironmentAsync(GameSystemViewModel system, IFileInfo file, IDirectoryInfo rootFolder) { var dependenciesMet = await system.CheckDependenciesMetAsync(); if (!dependenciesMet) { return(Tuple.Create(default(GameLaunchEnvironment), GameLaunchEnvironment.GenerateResult.DependenciesUnmet)); } if (system.CheckRootFolderRequired(file) && rootFolder == null) { return(Tuple.Create(default(GameLaunchEnvironment), GameLaunchEnvironment.GenerateResult.RootFolderRequired)); } var vfsRomPath = "ROM"; var vfsSystemPath = "System"; var vfsSavePath = "Save"; var core = system.Core; string virtualMainFilePath = null; var provider = default(IStreamProvider); if (ArchiveStreamProvider.SupportedExtensions.Contains(Path.GetExtension(file.Name)) && core.NativeArchiveSupport == false) { var archiveProvider = new ArchiveStreamProvider(vfsRomPath, file); provider = archiveProvider; var entries = await provider.ListEntriesAsync(); virtualMainFilePath = entries.FirstOrDefault(d => system.SupportedExtensions.Contains(Path.GetExtension(d))); if (string.IsNullOrEmpty(virtualMainFilePath)) { return(Tuple.Create(default(GameLaunchEnvironment), GameLaunchEnvironment.GenerateResult.NoMainFileFound)); } } else { virtualMainFilePath = Path.Combine(vfsRomPath, file.Name); provider = new SingleFileStreamProvider(virtualMainFilePath, file); if (rootFolder != null) { virtualMainFilePath = file.FullName.Substring(rootFolder.FullName.Length + 1); virtualMainFilePath = Path.Combine(vfsRomPath, virtualMainFilePath); provider = new FolderStreamProvider(vfsRomPath, rootFolder); } } var systemFolder = await system.GetSystemDirectoryAsync(); var systemProvider = new FolderStreamProvider(vfsSystemPath, systemFolder); core.SystemRootPath = vfsSystemPath; var saveFolder = await system.GetSaveDirectoryAsync(); var saveProvider = new FolderStreamProvider(vfsSavePath, saveFolder); core.SaveRootPath = vfsSavePath; provider = new CombinedStreamProvider(new HashSet <IStreamProvider>() { provider, systemProvider, saveProvider }); return(Tuple.Create(new GameLaunchEnvironment(core, provider, virtualMainFilePath), GameLaunchEnvironment.GenerateResult.Success)); }