public void LoadGame(string path)
{
var game = new retro_game_info
{
path = Marshal.StringToHGlobalAnsi(path)
};
try
{
if (!retro_load_game(ref game))
{
throw new Exception($"Unable to load game: {path}");
}
retro_get_system_av_info(out _avInfo);
}
finally
{
Marshal.FreeHGlobal(game.path);
}
}
public static extern bool retro_load_game(ref retro_game_info game);
public bool ReplaceImageIndex(uint index, ref retro_game_info info) => _callback.replace_image_index(index, ref info);
public static unsafe extern int retro_load_game([MarshalAs(UnmanagedType.LPStruct)] retro_game_info game);
public bool LoadGameSpecial(uint gameType, ref retro_game_info game, uint numInfo)
{
return(_loadGameSpecial(gameType, ref game, numInfo));
}
public bool LoadGame(ref retro_game_info game)
{
return(_loadGame(ref game));
}
public bool Start(LibretroCore core, string gameDirectory, string gameName)
{
bool result = false;
_core = core;
Name = gameName;
if (!string.IsNullOrEmpty(gameName))
{
string directory = FileSystem.GetAbsolutePath(gameDirectory);
string gamePath = GetGamePath(directory, gameName);
if (gamePath == null)
{
// Try Zip archive
string archivePath = FileSystem.GetAbsolutePath($"{directory}/{gameName}.zip");
if (File.Exists(archivePath))
{
Guid gameGuid = Guid.NewGuid();
System.IO.Compression.ZipFile.ExtractToDirectory(archivePath, $"{ExtractDirectory}/{gameName}_{gameGuid}");
gamePath = GetGamePath($"{ExtractDirectory}/{gameName}_{gameGuid}", gameName);
_extractedPath = gamePath;
}
}
if (gamePath != null)
{
retro_game_info gameInfo = GetGameInfo(gamePath);
if (_core.retro_load_game(ref gameInfo))
{
try
{
SystemAVInfo = new retro_system_av_info();
_core.retro_get_system_av_info(ref SystemAVInfo);
Running = true;
result = true;
}
catch (Exception e)
{
Log.Exception(e, "Libretro.LibretroGame.Start");
}
}
}
else
{
Log.Error($"Game '{gameName}' not found in directory '{gameDirectory}'.", "Libretro.LibretroGame.Start");
}
}
else if (core.SupportNoGame)
{
retro_game_info gameInfo = new retro_game_info();
if (_core.retro_load_game(ref gameInfo))
{
try
{
SystemAVInfo = new retro_system_av_info();
_core.retro_get_system_av_info(ref SystemAVInfo);
Running = true;
result = true;
}
catch (Exception e)
{
Log.Exception(e, "Libretro.LibretroGame.Start");
}
}
}
else
{
Log.Warning($"Game not set, running '{core.CoreName}' core only.", "Libretro.LibretroGame.Start");
}
return(result);
}
