public LibretroEmulator(CoreComm comm, IGameInfo game, string corePath, bool analysis = false)
{
try
{
cbHandler = bridge.LibretroBridge_CreateCallbackHandler();
if (cbHandler == IntPtr.Zero)
{
throw new Exception("Failed to create callback handler!");
}
UpdateCallbackHandler();
api = BizInvoker.GetInvoker <LibretroApi>(
new DynamicLibraryImportResolver(corePath, hasLimitedLifetime: false), CallingConventionAdapters.Native);
_serviceProvider = new(this);
Comm = comm;
if (api.retro_api_version() != 1)
{
throw new InvalidOperationException("Unsupported Libretro API version (or major error in interop)");
}
var SystemDirectory = RetroString(Comm.CoreFileProvider.GetRetroSystemPath(game));
var SaveDirectory = RetroString(Comm.CoreFileProvider.GetRetroSaveRAMDirectory(game));
var CoreDirectory = RetroString(Path.GetDirectoryName(corePath));
var CoreAssetsDirectory = RetroString(Path.GetDirectoryName(corePath));
bridge.LibretroBridge_SetDirectories(cbHandler, SystemDirectory, SaveDirectory, CoreDirectory, CoreAssetsDirectory);
ControllerDefinition = CreateControllerDefinition();
// check if we're just analysing the core and the core path matches the loaded core path anyways
if (analysis && corePath == LoadedCorePath)
{
Description = CalculateDescription();
Description.SupportsNoGame = LoadedCoreSupportsNoGame;
// don't set init, we don't want the core deinit later
}
else
{
api.retro_set_environment(cb_procs.retro_environment_proc);
Description = CalculateDescription();
}
if (!analysis)
{
LoadedCorePath = corePath;
LoadedCoreSupportsNoGame = Description.SupportsNoGame;
}
}
catch
{
Dispose();
throw;
}
}
public LibretroCore(CoreComm nextComm, string corePath)
{
//TODO: codepath just for introspection (lighter weight; no speex, no controls, etc.)
ServiceProvider = new BasicServiceProvider(this);
_SyncSettings = new SyncSettings();
CoreComm = nextComm;
string dllPath = Path.Combine(CoreComm.CoreFileProvider.DllPath(), "LibretroBridge.dll");
api = new LibretroApi(dllPath, corePath);
if (api.comm->env.retro_api_version != 1)
{
throw new InvalidOperationException("Unsupported Libretro API version (or major error in interop)");
}
//SO: I think I need these paths set before I call retro_set_environment
//and I need retro_set_environment set so I can find out if the core supports no-game
//therefore, I need a complete environment (including pathing) before I can complete my introspection of the core.
//Sucky, but that's life.
//I dont even know for sure what paths I should use until... (what?)
//not sure about each of these.. but we may be doing things different than retroarch.
//I wish I could initialize these with placeholders during a separate introspection codepath..
string SystemDirectory = CoreComm.CoreFileProvider.GetRetroSystemPath();
string SaveDirectory = CoreComm.CoreFileProvider.GetRetroSaveRAMDirectory();
string CoreDirectory = Path.GetDirectoryName(corePath);
string CoreAssetsDirectory = Path.GetDirectoryName(corePath);
api.CopyAscii(LibretroApi.BufId.SystemDirectory, SystemDirectory);
api.CopyAscii(LibretroApi.BufId.SaveDirectory, SaveDirectory);
api.CopyAscii(LibretroApi.BufId.CoreDirectory, CoreDirectory);
api.CopyAscii(LibretroApi.BufId.CoreAssetsDirectory, CoreAssetsDirectory);
api.CMD_SetEnvironment();
//TODO: IT'S A BOWL OF SPAGHETTI! I KNOW, IM GOING TO FIX IT
api.core = this;
Description = api.CalculateDescription();
ControllerDefinition = CreateControllerDefinition(_SyncSettings);
}