initial commit
This commit is contained in:
Vivian Lim
commit
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/target
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**/*.rs.bk
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|
||||
"checksum unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "826e7639553986605ec5979c7dd957c7895e93eabed50ab2ffa7f6128a75097c"
|
||||
"checksum vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "05c78687fb1a80548ae3250346c3db86a80a7cdd77bda190189f2d0a0987c81a"
|
||||
"checksum winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "8093091eeb260906a183e6ae1abdba2ef5ef2257a21801128899c3fc699229c6"
|
||||
"checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
|
||||
"checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
||||
|
|
@ -0,0 +1,19 @@
|
|||
[package]
|
||||
name = "ferretro-synced"
|
||||
version = "0.1.0"
|
||||
authors = ["viv <vvnl+git@protonmail.com>"]
|
||||
edition = "2018"
|
||||
|
||||
[build-dependencies]
|
||||
cc = "^1"
|
||||
|
||||
[dependencies]
|
||||
ferretro = { path = "../rustro-2" }
|
||||
failure = "^0.1"
|
||||
libloading = "^0.5"
|
||||
|
||||
[dev-dependencies]
|
||||
# example: sdl2_emulator
|
||||
sdl2 = "^0.32"
|
||||
crossbeam-channel = "^0.4"
|
||||
structopt = "^0.3"
|
||||
|
|
@ -0,0 +1,474 @@
|
|||
extern crate crossbeam_channel;
|
||||
extern crate ferretro;
|
||||
extern crate sdl2;
|
||||
|
||||
use ferretro::retro;
|
||||
use ferretro::retro::ffi::{GameGeometry, SystemInfo, SystemAvInfo, MemoryMap};
|
||||
use ferretro::retro::constants::{InputIndex, JoypadButton, AnalogAxis, DeviceType};
|
||||
use ferretro::retro::wrapped_types::{ControllerDescription2, InputDescriptor2, InputDeviceId, SubsystemInfo2, Variable2};
|
||||
use ferretro::retro::wrapper::LibretroWrapper;
|
||||
|
||||
use std::ffi::CStr;
|
||||
use std::io::Read;
|
||||
use std::path::{Path, PathBuf};
|
||||
use std::pin::Pin;
|
||||
use std::time::{Duration, Instant};
|
||||
|
||||
use structopt::StructOpt;
|
||||
|
||||
use sdl2::audio::{AudioCallback, AudioFormat, AudioSpec, AudioSpecDesired, AudioDevice};
|
||||
use sdl2::controller::{GameController, Button, Axis};
|
||||
use sdl2::event::Event;
|
||||
use sdl2::keyboard::Keycode;
|
||||
use sdl2::rect::Rect;
|
||||
use sdl2::render::WindowCanvas;
|
||||
|
||||
struct MyEmulator {
|
||||
retro: retro::wrapper::LibretroWrapper,
|
||||
core_path: PathBuf,
|
||||
sys_path: Option<PathBuf>,
|
||||
|
||||
preferred_pad: Option<u32>,
|
||||
|
||||
sys_info: SystemInfo,
|
||||
av_info: SystemAvInfo,
|
||||
|
||||
sdl_context: sdl2::Sdl,
|
||||
|
||||
// video bits
|
||||
canvas: WindowCanvas,
|
||||
pixel_format: sdl2::pixels::PixelFormatEnum,
|
||||
|
||||
// audio bits
|
||||
audio_buffer: Vec<i16>,
|
||||
audio_spec: AudioSpec,
|
||||
audio_device: AudioDevice<MySdlAudio>,
|
||||
audio_sender: crossbeam_channel::Sender<Vec<i16>>,
|
||||
|
||||
// input bits
|
||||
gamepad_subsys: sdl2::GameControllerSubsystem,
|
||||
gamepads: Vec<GameController>,
|
||||
pressed_keys: Vec<Keycode>,
|
||||
}
|
||||
|
||||
impl MyEmulator {
|
||||
pub fn new(core_path: impl AsRef<Path>, sys_path: &Option<impl AsRef<Path>>) -> Pin<Box<Self>> {
|
||||
let core_path = PathBuf::from(core_path.as_ref());
|
||||
let lib = libloading::Library::new(&core_path).unwrap();
|
||||
let raw_retro = retro::loading::LibretroApi::from_library(lib).unwrap();
|
||||
let retro = retro::wrapper::LibretroWrapper::from(raw_retro);
|
||||
|
||||
let sys_info = retro.get_system_info();
|
||||
let title = format!(
|
||||
"{} - rust libretro",
|
||||
unsafe { CStr::from_ptr(sys_info.library_name) }.to_string_lossy()
|
||||
);
|
||||
|
||||
let mut av_info = retro.get_system_av_info();
|
||||
let pixel_format = sdl2::pixels::PixelFormatEnum::ARGB1555;
|
||||
|
||||
// HACK: some cores don't report this 'til we get an environ call to set_system_av_info...
|
||||
// which is too late for this constructor to pass along to SDL.
|
||||
if av_info.timing.sample_rate == 0.0 {
|
||||
av_info.timing.sample_rate = 32040.0;
|
||||
}
|
||||
|
||||
let sdl_context = sdl2::init().unwrap();
|
||||
|
||||
let window = sdl_context
|
||||
.video()
|
||||
.unwrap()
|
||||
.window(title.as_str(), av_info.geometry.base_width, av_info.geometry.base_height)
|
||||
.opengl()
|
||||
.build()
|
||||
.unwrap();
|
||||
|
||||
let canvas = window.into_canvas().build().unwrap();
|
||||
|
||||
let (audio_sender, audio_receiver) = crossbeam_channel::bounded(2);
|
||||
|
||||
let audio = sdl_context.audio().unwrap();
|
||||
let desired_spec = AudioSpecDesired {
|
||||
freq: Some(av_info.timing.sample_rate.round() as i32),
|
||||
channels: Some(2),
|
||||
samples: None,
|
||||
};
|
||||
let mut audio_spec = None;
|
||||
let audio_device = audio
|
||||
.open_playback(None, &desired_spec, |spec| {
|
||||
if spec.format != AudioFormat::S16LSB {
|
||||
println!("unsupported audio format {:?}", spec.format);
|
||||
}
|
||||
audio_spec = Some(spec.clone());
|
||||
MySdlAudio {
|
||||
audio_spec: spec,
|
||||
audio_receiver,
|
||||
}
|
||||
})
|
||||
.unwrap();
|
||||
|
||||
let gamepad_subsys = sdl_context.game_controller().unwrap();
|
||||
let mut gamepads = Vec::new();
|
||||
for i in 0..gamepad_subsys.num_joysticks().unwrap() {
|
||||
gamepads.extend(gamepad_subsys.open(i).into_iter());
|
||||
}
|
||||
|
||||
let pressed_keys = Vec::new();
|
||||
|
||||
let emu = MyEmulator {
|
||||
retro,
|
||||
core_path,
|
||||
sys_path: sys_path.as_ref().map(|p| p.as_ref().to_path_buf()),
|
||||
preferred_pad: None,
|
||||
av_info,
|
||||
sys_info,
|
||||
sdl_context,
|
||||
canvas,
|
||||
pixel_format,
|
||||
audio_buffer: Default::default(),
|
||||
audio_spec: audio_spec.unwrap(),
|
||||
audio_device,
|
||||
audio_sender,
|
||||
gamepad_subsys,
|
||||
gamepads,
|
||||
pressed_keys,
|
||||
};
|
||||
let mut pin_emu = Box::pin(emu);
|
||||
retro::wrapper::set_handler(pin_emu.as_mut());
|
||||
pin_emu.retro.init();
|
||||
pin_emu
|
||||
}
|
||||
|
||||
pub fn run(&mut self) {
|
||||
self.audio_device.resume();
|
||||
let mut event_pump = self.sdl_context.event_pump().unwrap();
|
||||
'running: loop {
|
||||
let frame_begin = Instant::now();
|
||||
|
||||
for event in event_pump.poll_iter() {
|
||||
match event {
|
||||
Event::Quit { .. }
|
||||
| Event::KeyDown {
|
||||
keycode: Some(Keycode::Escape),
|
||||
..
|
||||
} => break 'running,
|
||||
_ => {}
|
||||
}
|
||||
}
|
||||
|
||||
self.update_key_state(&event_pump.keyboard_state());
|
||||
|
||||
// The rest of the game loop goes here...
|
||||
self.retro.run();
|
||||
self.canvas.present();
|
||||
|
||||
// similar hack to the sample rate, make sure we don't divide by zero.
|
||||
let mut spf = 1.0 / self.av_info.timing.fps;
|
||||
if spf.is_nan() {
|
||||
spf = 1.0 / 60.0;
|
||||
}
|
||||
Duration::from_secs_f64(spf)
|
||||
.checked_sub(frame_begin.elapsed())
|
||||
.map(std::thread::sleep);
|
||||
}
|
||||
}
|
||||
|
||||
pub fn load_game(&self, rom: impl AsRef<Path>) {
|
||||
let path = rom.as_ref();
|
||||
let mut data = None;
|
||||
let mut v = Vec::new();
|
||||
if !self.sys_info.need_fullpath {
|
||||
if let Ok(mut f) = std::fs::File::open(path) {
|
||||
if f.read_to_end(&mut v).is_ok() {
|
||||
data = Some(v.as_ref());
|
||||
}
|
||||
}
|
||||
}
|
||||
self.retro
|
||||
.load_game(Some(path), data, None)
|
||||
.unwrap();
|
||||
if let Some(device) = self.preferred_pad {
|
||||
for port in 0..self.gamepads.len() as u32 {
|
||||
self.retro.set_controller_port_device(port, device);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn update_key_state<'a>(&mut self, keyboard_state: &sdl2::keyboard::KeyboardState<'a>){
|
||||
let keys: Vec<Keycode> = keyboard_state.pressed_scancodes().filter_map(Keycode::from_scancode).collect();
|
||||
self.pressed_keys = keys;
|
||||
}
|
||||
|
||||
fn send_audio_samples(&mut self) {
|
||||
let stereo_samples = self.audio_spec.samples as usize * 2;
|
||||
while self.audio_buffer.len() >= stereo_samples {
|
||||
let remainder = self.audio_buffer.split_off(stereo_samples);
|
||||
let msg = std::mem::replace(&mut self.audio_buffer, remainder);
|
||||
let _ = self.audio_sender.try_send(msg);
|
||||
}
|
||||
}
|
||||
|
||||
fn input_state_gamepad(&mut self, port: u32, device: &InputDeviceId, index: &InputIndex) -> i16 {
|
||||
match self.gamepads.get(port as usize) {
|
||||
Some(gamepad) => {
|
||||
match device {
|
||||
InputDeviceId::Joypad(button) => {
|
||||
match button_map(&button) {
|
||||
Some(x) => gamepad.button(x) as i16,
|
||||
None => match button {
|
||||
JoypadButton::L2 => gamepad.axis(Axis::TriggerLeft),
|
||||
JoypadButton::R2 => gamepad.axis(Axis::TriggerRight),
|
||||
_ => 0,
|
||||
}
|
||||
}
|
||||
}
|
||||
InputDeviceId::Analog(axis) => gamepad.axis(axis_map(index, axis)),
|
||||
_ => 0,
|
||||
}
|
||||
}
|
||||
None => 0,
|
||||
}
|
||||
}
|
||||
|
||||
fn input_state_keyboard(&mut self, port: u32, device: &InputDeviceId, index: &InputIndex) -> i16 {
|
||||
if port != 0 { // Keyboard only controls the first port.
|
||||
return 0;
|
||||
}
|
||||
|
||||
match device {
|
||||
InputDeviceId::Joypad(button) => {
|
||||
match keyboard_map(&button) {
|
||||
Some(x) => return if self.pressed_keys.contains(&x) {1} else {0},
|
||||
None => 0
|
||||
}
|
||||
},
|
||||
_ => 0
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Drop for MyEmulator {
|
||||
fn drop(&mut self) {
|
||||
retro::wrapper::unset_handler();
|
||||
}
|
||||
}
|
||||
|
||||
impl retro::wrapper::Handler for MyEmulator {
|
||||
fn libretro_core(&mut self) -> &mut LibretroWrapper {
|
||||
&mut self.retro
|
||||
}
|
||||
|
||||
fn video_refresh(&mut self, data: &[u8], width: u32, height: u32, pitch: u32) {
|
||||
let rect = Rect::new(0, 0, width, height);
|
||||
|
||||
if let Ok(mut tex) =
|
||||
self.canvas
|
||||
.texture_creator()
|
||||
.create_texture_static(self.pixel_format, width, height)
|
||||
{
|
||||
if tex.update(rect, data, pitch as usize).is_ok() {
|
||||
self.canvas.clear();
|
||||
self.canvas.copy(&tex, None, None).unwrap();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn audio_sample(&mut self, left: i16, right: i16) {
|
||||
self.audio_buffer.push(left);
|
||||
self.audio_buffer.push(right);
|
||||
self.send_audio_samples()
|
||||
}
|
||||
|
||||
fn audio_sample_batch(&mut self, stereo_pcm: &[i16]) -> usize {
|
||||
self.audio_buffer.extend(stereo_pcm);
|
||||
self.send_audio_samples();
|
||||
stereo_pcm.len()
|
||||
}
|
||||
|
||||
fn input_poll(&mut self) {
|
||||
self.gamepad_subsys.update();
|
||||
}
|
||||
|
||||
fn input_state(&mut self, port: u32, device: InputDeviceId, index: InputIndex) -> i16 {
|
||||
let gamepad_state = self.input_state_gamepad(port, &device, &index);
|
||||
if gamepad_state > 0 {
|
||||
return gamepad_state;
|
||||
}
|
||||
|
||||
return self.input_state_keyboard(port, &device, &index);
|
||||
}
|
||||
|
||||
fn get_can_dupe(&mut self) -> Option<bool> { Some(true) }
|
||||
|
||||
fn get_system_directory(&mut self) -> Option<PathBuf> {
|
||||
self.sys_path.clone()
|
||||
}
|
||||
|
||||
fn set_pixel_format(&mut self, pix_fmt: retro::ffi::PixelFormat) -> bool {
|
||||
self.pixel_format = match pix_fmt {
|
||||
retro::ffi::PixelFormat::ARGB1555 => sdl2::pixels::PixelFormatEnum::RGB555,
|
||||
retro::ffi::PixelFormat::ARGB8888 => sdl2::pixels::PixelFormatEnum::ARGB8888,
|
||||
retro::ffi::PixelFormat::RGB565 => sdl2::pixels::PixelFormatEnum::RGB565,
|
||||
};
|
||||
true
|
||||
}
|
||||
fn get_variable(&mut self, key: &str) -> Option<String> {
|
||||
match key {
|
||||
"beetle_saturn_analog_stick_deadzone" => Some("15%".to_string()),
|
||||
"parallel-n64-gfxplugin" => Some("angrylion".to_string()),
|
||||
"parallel-n64-astick-deadzone" => Some("15%".to_string()),
|
||||
_ => None,
|
||||
}
|
||||
}
|
||||
|
||||
fn set_variables(&mut self, variables: Vec<Variable2>) -> bool {
|
||||
for v in variables {
|
||||
eprintln!("{:?}", v);
|
||||
}
|
||||
true
|
||||
}
|
||||
|
||||
fn get_libretro_path(&mut self) -> Option<PathBuf> {
|
||||
Some(self.core_path.clone())
|
||||
}
|
||||
|
||||
fn get_input_device_capabilities(&mut self) -> Option<u64> {
|
||||
let bits = (1 << (DeviceType::Joypad as u32)) | (1 << (DeviceType::Analog as u32));
|
||||
Some(bits as u64)
|
||||
}
|
||||
|
||||
fn get_save_directory(&mut self) -> Option<PathBuf> {
|
||||
Some(std::env::temp_dir())
|
||||
}
|
||||
|
||||
fn set_system_av_info(&mut self, av_info: SystemAvInfo) -> bool {
|
||||
self.set_geometry(av_info.geometry.clone());
|
||||
self.av_info = av_info;
|
||||
true
|
||||
}
|
||||
|
||||
fn set_subsystem_info(&mut self, subsystem_info: Vec<SubsystemInfo2>) -> bool {
|
||||
println!("subsystem info: {:?}", subsystem_info);
|
||||
true
|
||||
}
|
||||
|
||||
fn set_controller_info(&mut self, controller_info: Vec<ControllerDescription2>) -> bool {
|
||||
for ci in controller_info {
|
||||
// so we can have analog support in beetle/mednafen saturn
|
||||
if ci.name.as_str() == "3D Control Pad" {
|
||||
self.preferred_pad = Some(ci.device_id());
|
||||
break;
|
||||
}
|
||||
}
|
||||
true
|
||||
}
|
||||
|
||||
fn set_input_descriptors(&mut self, descriptors: Vec<InputDescriptor2>) -> bool {
|
||||
for id in descriptors {
|
||||
println!("{:?}", id);
|
||||
}
|
||||
true
|
||||
}
|
||||
|
||||
fn set_geometry(&mut self, geom: GameGeometry) -> bool {
|
||||
let _ = self.canvas.window_mut().set_size(geom.base_width, geom.base_height);
|
||||
let _ = self.canvas.set_logical_size(geom.base_width, geom.base_height);
|
||||
self.av_info.geometry = geom;
|
||||
true
|
||||
}
|
||||
|
||||
fn log_print(&mut self, level: retro::ffi::LogLevel, msg: &str) {
|
||||
eprint!("[{:?}] {}", level, msg);
|
||||
}
|
||||
}
|
||||
|
||||
struct MySdlAudio {
|
||||
audio_spec: AudioSpec,
|
||||
audio_receiver: crossbeam_channel::Receiver<Vec<i16>>,
|
||||
}
|
||||
|
||||
impl AudioCallback for MySdlAudio {
|
||||
type Channel = i16;
|
||||
|
||||
fn callback(&mut self, out: &mut [Self::Channel]) {
|
||||
if self.audio_spec.format == AudioFormat::S16LSB {
|
||||
if let Ok(samples) = self.audio_receiver.recv() {
|
||||
out.copy_from_slice(&samples[..out.len()]);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn main() -> failure::Fallible<()> {
|
||||
let opt: Opt = Opt::from_args();
|
||||
let mut emu = MyEmulator::new(&opt.core, &opt.system);
|
||||
emu.load_game(&opt.rom);
|
||||
emu.run();
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
#[derive(StructOpt)]
|
||||
struct Opt {
|
||||
/// Core module to use.
|
||||
#[structopt(short, long, parse(from_os_str))]
|
||||
core: PathBuf,
|
||||
/// ROM to load using the core.
|
||||
#[structopt(short, long, parse(from_os_str))]
|
||||
rom: PathBuf,
|
||||
/// System directory, often containing BIOS files
|
||||
#[structopt(short, long, parse(from_os_str))]
|
||||
system: Option<PathBuf>,
|
||||
}
|
||||
|
||||
fn button_map(retro_button: &JoypadButton) -> Option<Button> {
|
||||
match retro_button {
|
||||
JoypadButton::B => Some(Button::A),
|
||||
JoypadButton::Y => Some(Button::X),
|
||||
JoypadButton::Select => Some(Button::Back),
|
||||
JoypadButton::Start => Some(Button::Start),
|
||||
JoypadButton::Up => Some(Button::DPadUp),
|
||||
JoypadButton::Down => Some(Button::DPadDown),
|
||||
JoypadButton::Left => Some(Button::DPadLeft),
|
||||
JoypadButton::Right => Some(Button::DPadRight),
|
||||
JoypadButton::A => Some(Button::B),
|
||||
JoypadButton::X => Some(Button::Y),
|
||||
JoypadButton::L => Some(Button::LeftShoulder),
|
||||
JoypadButton::R => Some(Button::RightShoulder),
|
||||
// SDL2 controller API doesn't have L2/R2 as buttons, they're considered axes
|
||||
JoypadButton::L2 => None,
|
||||
JoypadButton::R2 => None,
|
||||
JoypadButton::L3 => Some(Button::LeftStick),
|
||||
JoypadButton::R3 => Some(Button::RightStick),
|
||||
}
|
||||
}
|
||||
|
||||
fn keyboard_map(retro_button: &JoypadButton) -> Option<Keycode> {
|
||||
match retro_button {
|
||||
JoypadButton::B => Some(Keycode::K),
|
||||
JoypadButton::Y => Some(Keycode::J),
|
||||
JoypadButton::Select => Some(Keycode::Num5),
|
||||
JoypadButton::Start => Some(Keycode::Num6),
|
||||
JoypadButton::Up => Some(Keycode::W),
|
||||
JoypadButton::Down => Some(Keycode::S),
|
||||
JoypadButton::Left => Some(Keycode::A),
|
||||
JoypadButton::Right => Some(Keycode::D),
|
||||
JoypadButton::A => Some(Keycode::L),
|
||||
JoypadButton::X => Some(Keycode::I),
|
||||
JoypadButton::L => Some(Keycode::Num1),
|
||||
JoypadButton::R => Some(Keycode::Num0),
|
||||
JoypadButton::L2 => None,
|
||||
JoypadButton::R2 => None,
|
||||
JoypadButton::L3 => None,
|
||||
JoypadButton::R3 => None,
|
||||
}
|
||||
}
|
||||
|
||||
fn axis_map(index: &InputIndex, axis: &AnalogAxis) -> Axis {
|
||||
match (index, axis) {
|
||||
(InputIndex::Left, AnalogAxis::X) => Axis::LeftX,
|
||||
(InputIndex::Left, AnalogAxis::Y) => Axis::LeftY,
|
||||
(InputIndex::Right, AnalogAxis::X) => Axis::RightX,
|
||||
(InputIndex::Right, AnalogAxis::Y) => Axis::RightY,
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,3 @@
|
|||
extern crate ferretro;
|
||||
|
||||
pub mod sync;
|
||||
|
|
@ -0,0 +1 @@
|
|||
pub mod pokemon_rb;
|
||||
|
|
@ -0,0 +1,13 @@
|
|||
use ferretro::retro::wrapper::LibretroWrapper; // want LibretroWrapper.api : LibretroApi.get_memory()
|
||||
|
||||
pub struct SyncedPokemonRedBlue {
|
||||
active_pokemon_raw: [u8; 0x27],
|
||||
player_and_party: [u8; 0x19e],
|
||||
pokemon_out: u8,
|
||||
}
|
||||
|
||||
impl SyncedPokemonRedBlue {
|
||||
pub fn copy_from_emu () {
|
||||
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue