public unsafe void Setup()
{
ScreenTexture = new Texture2D(256, 240, TextureFormat.BGRA32, false);
ScreenTexture.wrapMode = TextureWrapMode.Mirror;
LibRetro.retro_set_environment(environment_callback);
log("set_environment");
LibRetro.retro_set_video_refresh(video_refresh_callback);
log("set_video_refresh");
LibRetro.retro_set_audio_sample_batch(audio_sample_batch_callback);
log("set_audio_sample_batch");
LibRetro.retro_set_input_poll(input_poll_callback);
LibRetro.retro_set_input_state(input_state_callback);
LibRetro.retro_init();
log("retro_init");
string path = Path.Combine(Application.persistentDataPath, "castle.nes");
byte[] rom = System.IO.File.ReadAllBytes(path);
LibRetro.retro_game_info gameInfo = new LibRetro.retro_game_info {
path = path, data = rom, size = (UInt64)rom.Length, meta = new byte[0]
};
if (LibRetro.retro_load_game(gameInfo) == 0)
{
Debug.LogError("Load failed");
}
}
public void SaveState()
{
var len = LibRetro.retro_serialize_size();
var buf = new byte[len];
if (!LibRetro.retro_serialize(buf, len))
{
throw new Exception("Serialize failed");
}
File.WriteAllBytes(savePath(), buf);
Debug.Log($"save len={len}");
}
public void RunOneFrame()
{
Profiler.BeginSample("retro_run");
LibRetro.retro_run();
Profiler.EndSample();
//Debug.Log("retru_run");
// Clear inputs.
for (int i = 0; i < KeyInputs.Length; i++)
{
KeyInputs[i] = 0;
}
}
public void LoadState()
{
if (!File.Exists(savePath()))
{
return;
}
var len = LibRetro.retro_serialize_size();
var buf = File.ReadAllBytes(savePath());
if (!LibRetro.retro_unserialize(buf, len))
{
throw new Exception("Unserialize failed");
}
Debug.Log($"load len={len}");
}
public void ResetMachine()
{
LibRetro.retro_reset();
}
