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));
}