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15 changed files with 606 additions and 406 deletions
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@@ -42,9 +42,9 @@ dependencies = [
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name = "windows-interface"
version = "0.58.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "053c4c462dc91d3b1504c6fe5a726dd15e216ba718e84a0e46a88fbe5ded3515"
dependencies = [
"proc-macro2",
"quote",
"syn",
]
[[package]]
name = "windows-result"
version = "0.1.2"
@@ -2684,6 +2635,25 @@ dependencies = [
"windows-targets 0.52.6",
]
[[package]]
name = "windows-result"
version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1d1043d8214f791817bab27572aaa8af63732e11bf84aa21a45a78d6c317ae0e"
dependencies = [
"windows-targets 0.52.6",
]
[[package]]
name = "windows-strings"
version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4cd9b125c486025df0eabcb585e62173c6c9eddcec5d117d3b6e8c30e2ee4d10"
dependencies = [
"windows-result 0.2.0",
"windows-targets 0.52.6",
]
[[package]]
name = "windows-sys"
version = "0.45.0"
@@ -3009,9 +2979,9 @@ checksum = "b9cc00251562a284751c9973bace760d86c0276c471b4be569fe6b068ee97a56"
[[package]]
name = "xml-rs"
version = "0.8.22"
version = "0.8.23"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "af4e2e2f7cba5a093896c1e150fbfe177d1883e7448200efb81d40b9d339ef26"
checksum = "af310deaae937e48a26602b730250b4949e125f468f11e6990be3e5304ddd96f"
[[package]]
name = "zerocopy"
@@ -3030,5 +3000,5 @@ checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.87",
"syn",
]
+2 -2
View File
@@ -10,7 +10,7 @@ bytemuck = { version = "1", features = ["derive"] }
clap = { version = "4", features = ["derive"] }
cpal = "0.15"
imgui = { version = "0.12", features = ["tables-api"] }
imgui-wgpu = { git = "https://github.com/Yatekii/imgui-wgpu-rs", rev = "2edd348" }
imgui-wgpu = { git = "https://github.com/SupernaviX/imgui-wgpu-rs", rev = "5bb8673" }
imgui-winit-support = "0.13"
itertools = "0.13"
native-dialog = "0.7"
@@ -20,7 +20,7 @@ pollster = "0.4"
rtrb = "0.3"
rubato = "0.16"
thread-priority = "1"
wgpu = "22.1"
wgpu = "23.0"
winit = "0.30"
[build-dependencies]
+3 -1
View File
@@ -5,8 +5,10 @@ fn main() {
cc::Build::new()
.include(Path::new("shrooms-vb-core/core"))
.opt_level(2)
.flag_if_supported("-flto")
.flag_if_supported("-fno-strict-aliasing")
.define("VB_LITTLE_ENDIAN", None)
.define("VB_SIGNED_PROPAGATE", None)
.define("VB_DIV_GENERIC", None)
.file(Path::new("shrooms-vb-core/core/vb.c"))
.compile("vb");
}
+34 -23
View File
@@ -5,6 +5,7 @@ use std::{
};
use game::GameWindow;
use input::InputWindow;
use winit::{
application::ApplicationHandler,
event::{Event, WindowEvent},
@@ -14,7 +15,7 @@ use winit::{
use crate::{
controller::ControllerState,
emulator::{EmulatorClient, EmulatorCommand},
emulator::{EmulatorClient, EmulatorCommand, SimId},
input::InputMapper,
};
@@ -28,6 +29,7 @@ pub struct App {
input_mapper: Arc<RwLock<InputMapper>>,
controller: ControllerState,
proxy: EventLoopProxy<UserEvent>,
player_2_window: Option<WindowId>,
}
impl App {
@@ -40,19 +42,19 @@ impl App {
input_mapper,
controller,
proxy,
player_2_window: None,
}
}
}
impl ApplicationHandler<UserEvent> for App {
fn resumed(&mut self, event_loop: &ActiveEventLoop) {
let mut window = GameWindow::new(
let window = GameWindow::new(
event_loop,
SimId::Player1,
self.client.clone(),
self.input_mapper.clone(),
self.proxy.clone(),
);
window.init();
self.windows.insert(window.id(), Box::new(window));
}
@@ -63,9 +65,9 @@ impl ApplicationHandler<UserEvent> for App {
event: WindowEvent,
) {
if let WindowEvent::KeyboardInput { event, .. } = &event {
if self.controller.key_event(event) {
if let Some((sim_id, pressed)) = self.controller.key_event(event) {
self.client
.send_command(EmulatorCommand::SetKeys(self.controller.pressed()));
.send_command(EmulatorCommand::SetKeys(sim_id, pressed));
}
}
let Some(window) = self.windows.get_mut(&window_id) else {
@@ -74,13 +76,30 @@ impl ApplicationHandler<UserEvent> for App {
window.handle_event(event_loop, &Event::WindowEvent { window_id, event });
}
fn user_event(&mut self, _event_loop: &ActiveEventLoop, event: UserEvent) {
fn user_event(&mut self, event_loop: &ActiveEventLoop, event: UserEvent) {
match event {
UserEvent::OpenWindow(mut window) => {
window.init();
self.windows.insert(window.id(), window);
UserEvent::OpenInputWindow => {
let window =
InputWindow::new(event_loop, self.input_mapper.clone(), self.proxy.clone());
self.windows.insert(window.id(), Box::new(window));
}
UserEvent::OpenPlayer2Window => {
if self.player_2_window.is_some() {
return;
}
let window = GameWindow::new(
event_loop,
SimId::Player2,
self.client.clone(),
self.proxy.clone(),
);
self.player_2_window = Some(window.id());
self.windows.insert(window.id(), Box::new(window));
}
UserEvent::Close(window_id) => {
if self.player_2_window == Some(window_id) {
self.player_2_window.take();
}
UserEvent::CloseWindow(window_id) => {
self.windows.remove(&window_id);
}
}
@@ -112,20 +131,12 @@ impl ApplicationHandler<UserEvent> for App {
pub trait AppWindow {
fn id(&self) -> WindowId;
fn init(&mut self);
fn handle_event(&mut self, event_loop: &ActiveEventLoop, event: &Event<UserEvent>);
}
#[derive(Debug)]
pub enum UserEvent {
OpenWindow(Box<dyn AppWindow>),
CloseWindow(WindowId),
}
impl Debug for UserEvent {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
Self::OpenWindow(window) => f.debug_tuple("OpenWindow").field(&window.id()).finish(),
Self::CloseWindow(window_id) => f.debug_tuple("CloseWindow").field(window_id).finish(),
}
}
OpenInputWindow,
OpenPlayer2Window,
Close(WindowId),
}
+41 -42
View File
@@ -1,7 +1,4 @@
use std::{
sync::{Arc, RwLock},
time::Instant,
};
use std::time::Instant;
use wgpu::util::DeviceExt as _;
use winit::{
dpi::LogicalSize,
@@ -11,24 +8,22 @@ use winit::{
};
use crate::{
emulator::{EmulatorClient, EmulatorCommand},
input::InputMapper,
renderer::GameRenderer,
emulator::{EmulatorClient, EmulatorCommand, SimId},
graphics::TextureSink,
};
use super::{
common::{ImguiState, WindowState, WindowStateBuilder},
input::InputWindow,
AppWindow, UserEvent,
};
pub struct GameWindow {
window: WindowState,
imgui: Option<ImguiState>,
imgui: ImguiState,
pipeline: wgpu::RenderPipeline,
bind_group: wgpu::BindGroup,
sim_id: SimId,
client: EmulatorClient,
input_mapper: Arc<RwLock<InputMapper>>,
proxy: EventLoopProxy<UserEvent>,
paused_due_to_minimize: bool,
}
@@ -36,22 +31,23 @@ pub struct GameWindow {
impl GameWindow {
pub fn new(
event_loop: &ActiveEventLoop,
sim_id: SimId,
client: EmulatorClient,
input_mapper: Arc<RwLock<InputMapper>>,
proxy: EventLoopProxy<UserEvent>,
) -> Self {
let title = if sim_id == SimId::Player2 {
"Shrooms VB (Player 2)"
} else {
"Shrooms VB"
};
let window = WindowStateBuilder::new(event_loop)
.with_title("Shrooms VB")
.with_title(title)
.with_inner_size(LogicalSize::new(384, 244))
.build();
let device = &window.device;
let eyes = Arc::new(GameRenderer::create_texture(device, "eye"));
client.send_command(EmulatorCommand::SetRenderer(GameRenderer {
queue: window.queue.clone(),
eyes: eyes.clone(),
}));
let eyes = eyes.create_view(&wgpu::TextureViewDescriptor::default());
let (sink, texture_view) = TextureSink::new(device, window.queue.clone());
client.send_command(EmulatorCommand::SetRenderer(sim_id, sink));
let sampler = device.create_sampler(&wgpu::SamplerDescriptor::default());
let colors = Colors {
left: [1.0, 0.0, 0.0, 1.0],
@@ -100,7 +96,7 @@ impl GameWindow {
entries: &[
wgpu::BindGroupEntry {
binding: 0,
resource: wgpu::BindingResource::TextureView(&eyes),
resource: wgpu::BindingResource::TextureView(&texture_view),
},
wgpu::BindGroupEntry {
binding: 1,
@@ -125,13 +121,13 @@ impl GameWindow {
layout: Some(&render_pipeline_layout),
vertex: wgpu::VertexState {
module: &shader,
entry_point: "vs_main",
entry_point: Some("vs_main"),
buffers: &[],
compilation_options: wgpu::PipelineCompilationOptions::default(),
},
fragment: Some(wgpu::FragmentState {
module: &shader,
entry_point: "fs_main",
entry_point: Some("fs_main"),
targets: &[Some(wgpu::ColorTargetState {
format: wgpu::TextureFormat::Bgra8UnormSrgb,
blend: Some(wgpu::BlendState::REPLACE),
@@ -158,13 +154,15 @@ impl GameWindow {
cache: None,
});
let imgui = ImguiState::new(&window);
Self {
window,
imgui: None,
imgui,
pipeline: render_pipeline,
bind_group,
sim_id,
client,
input_mapper,
proxy,
paused_due_to_minimize: false,
}
@@ -172,7 +170,7 @@ impl GameWindow {
fn draw(&mut self, event_loop: &ActiveEventLoop) {
let window = &mut self.window;
let imgui = self.imgui.as_mut().unwrap();
let imgui = &mut self.imgui;
let mut context = imgui.context.lock().unwrap();
let mut new_size = None;
@@ -204,7 +202,8 @@ impl GameWindow {
.show_open_single_file()
.unwrap();
if let Some(path) = rom {
self.client.send_command(EmulatorCommand::LoadGame(path));
self.client
.send_command(EmulatorCommand::LoadGame(self.sim_id, path));
}
}
if ui.menu_item("Quit") {
@@ -240,14 +239,14 @@ impl GameWindow {
});
ui.menu("Input", || {
if ui.menu_item("Bind Inputs") {
let input_window = Box::new(InputWindow::new(
event_loop,
self.input_mapper.clone(),
self.proxy.clone(),
));
self.proxy
.send_event(UserEvent::OpenWindow(input_window))
.unwrap();
self.proxy.send_event(UserEvent::OpenInputWindow).unwrap();
}
});
ui.menu("Multiplayer", || {
if self.sim_id == SimId::Player1 && ui.menu_item("Open Player 2") {
self.client
.send_command(EmulatorCommand::StartSecondSim(None));
self.proxy.send_event(UserEvent::OpenPlayer2Window).unwrap();
}
});
});
@@ -321,11 +320,6 @@ impl AppWindow for GameWindow {
self.window.window.id()
}
fn init(&mut self) {
self.imgui = Some(ImguiState::new(&self.window));
self.window.window.request_redraw();
}
fn handle_event(&mut self, event_loop: &ActiveEventLoop, event: &Event<UserEvent>) {
match event {
Event::WindowEvent { event, .. } => match event {
@@ -341,7 +335,14 @@ impl AppWindow for GameWindow {
self.paused_due_to_minimize = false;
}
}
WindowEvent::CloseRequested => event_loop.exit(),
WindowEvent::CloseRequested => {
if self.sim_id == SimId::Player2 {
self.client.send_command(EmulatorCommand::StopSecondSim);
self.proxy.send_event(UserEvent::Close(self.id())).unwrap();
} else {
event_loop.exit();
}
}
WindowEvent::RedrawRequested => self.draw(event_loop),
_ => (),
},
@@ -351,9 +352,7 @@ impl AppWindow for GameWindow {
_ => (),
}
let window = &self.window;
let Some(imgui) = self.imgui.as_mut() else {
return;
};
let imgui = &mut self.imgui;
let mut context = imgui.context.lock().unwrap();
imgui
.platform
+25 -26
View File
@@ -7,10 +7,12 @@ use winit::{
dpi::LogicalSize,
event::{Event, KeyEvent, WindowEvent},
event_loop::{ActiveEventLoop, EventLoopProxy},
platform::modifier_supplement::KeyEventExtModifierSupplement,
};
use crate::{input::InputMapper, shrooms_vb_core::VBKey};
use crate::{
emulator::{SimId, VBKey},
input::InputMapper,
};
use super::{
common::{ImguiState, UiExt, WindowState, WindowStateBuilder},
@@ -19,10 +21,10 @@ use super::{
pub struct InputWindow {
window: WindowState,
imgui: Option<ImguiState>,
imgui: ImguiState,
input_mapper: Arc<RwLock<InputMapper>>,
proxy: EventLoopProxy<UserEvent>,
now_binding: Option<VBKey>,
now_binding: Option<(SimId, VBKey)>,
}
const KEY_NAMES: [(VBKey, &str); 14] = [
@@ -52,9 +54,10 @@ impl InputWindow {
.with_title("Bind Inputs")
.with_inner_size(LogicalSize::new(600, 400))
.build();
let imgui = ImguiState::new(&window);
Self {
window,
imgui: None,
imgui,
input_mapper,
now_binding: None,
proxy,
@@ -63,7 +66,7 @@ impl InputWindow {
fn draw(&mut self) {
let window = &mut self.window;
let imgui = self.imgui.as_mut().unwrap();
let imgui = &mut self.imgui;
let mut context = imgui.context.lock().unwrap();
let now = Instant::now();
@@ -85,11 +88,11 @@ impl InputWindow {
.expect("Failed to prepare frame");
let ui = context.new_frame();
let mut render_key_bindings = || {
let mut render_key_bindings = |sim_id: SimId| {
if let Some(table) = ui.begin_table("controls", 2) {
let binding_names = {
let mapper = self.input_mapper.read().unwrap();
mapper.binding_names()
mapper.binding_names(&sim_id)
};
ui.table_next_row();
@@ -100,20 +103,20 @@ impl InputWindow {
ui.group(|| {
ui.right_align_text(name, space * 0.20);
ui.same_line();
let label_text = if self.now_binding == Some(key) {
let label_text = if self.now_binding == Some((sim_id, key)) {
"Press any input"
} else {
binding.unwrap_or("")
};
let label = format!("{}##{}", label_text, name);
if ui.button_with_size(label, [space * 0.60, 0.0]) {
self.now_binding = Some(key);
self.now_binding = Some((sim_id, key));
}
});
ui.same_line();
if ui.button(format!("Clear##{name}")) {
let mut mapper = self.input_mapper.write().unwrap();
mapper.clear_binding(key);
mapper.clear_binding(sim_id, key);
}
}
@@ -124,7 +127,11 @@ impl InputWindow {
if let Some(window) = ui.fullscreen_window() {
if let Some(tabs) = ui.tab_bar("tabs") {
if let Some(tab) = ui.tab_item("Player 1") {
render_key_bindings();
render_key_bindings(SimId::Player1);
tab.end();
}
if let Some(tab) = ui.tab_item("Player 2") {
render_key_bindings(SimId::Player2);
tab.end();
}
tabs.end();
@@ -175,11 +182,11 @@ impl InputWindow {
if !event.state.is_pressed() {
return;
}
let Some(vb) = self.now_binding.take() else {
let Some((sim_id, vb)) = self.now_binding.take() else {
return;
};
let mut mapper = self.input_mapper.write().unwrap();
mapper.bind_key(vb, event.key_without_modifiers());
mapper.bind_key(sim_id, vb, event.physical_key);
}
}
@@ -188,19 +195,13 @@ impl AppWindow for InputWindow {
self.window.window.id()
}
fn init(&mut self) {
self.imgui = Some(ImguiState::new(&self.window));
self.window.window.request_redraw();
}
fn handle_event(&mut self, _: &ActiveEventLoop, event: &Event<UserEvent>) {
match event {
Event::WindowEvent { event, .. } => match event {
WindowEvent::Resized(size) => self.window.handle_resize(size),
WindowEvent::CloseRequested => self
.proxy
.send_event(UserEvent::CloseWindow(self.id()))
.unwrap(),
WindowEvent::CloseRequested => {
self.proxy.send_event(UserEvent::Close(self.id())).unwrap()
}
WindowEvent::KeyboardInput { event, .. } => self.try_bind_key(event),
WindowEvent::RedrawRequested => self.draw(),
_ => (),
@@ -212,9 +213,7 @@ impl AppWindow for InputWindow {
}
let window = &self.window;
let Some(imgui) = self.imgui.as_mut() else {
return;
};
let imgui = &mut self.imgui;
let mut context = imgui.context.lock().unwrap();
imgui
.platform
+3 -1
View File
@@ -1,3 +1,5 @@
use std::time::Duration;
use anyhow::{bail, Result};
use cpal::traits::{DeviceTrait, HostTrait, StreamTrait};
use itertools::Itertools;
@@ -95,7 +97,7 @@ impl Audio {
}
while self.sample_sink.slots() < self.sampler.output_frames_max() * 2 {
std::hint::spin_loop();
std::thread::sleep(Duration::from_micros(500));
}
}
}
+18 -20
View File
@@ -2,48 +2,46 @@ use std::sync::{Arc, RwLock};
use winit::event::{ElementState, KeyEvent};
use crate::{input::InputMapper, shrooms_vb_core::VBKey};
use crate::{
emulator::{SimId, VBKey},
input::InputMapper,
};
pub struct ControllerState {
input_mapper: Arc<RwLock<InputMapper>>,
pressed: VBKey,
pressed: Vec<VBKey>,
}
impl ControllerState {
pub fn new(input_mapper: Arc<RwLock<InputMapper>>) -> Self {
Self {
input_mapper,
pressed: VBKey::SGN,
pressed: vec![VBKey::SGN; 2],
}
}
pub fn pressed(&self) -> VBKey {
self.pressed
}
pub fn key_event(&mut self, event: &KeyEvent) -> bool {
let Some(input) = self.key_event_to_input(event) else {
return false;
};
pub fn key_event(&mut self, event: &KeyEvent) -> Option<(SimId, VBKey)> {
let (sim_id, input) = self.key_event_to_input(event)?;
let pressed = &mut self.pressed[sim_id.to_index()];
match event.state {
ElementState::Pressed => {
if self.pressed.contains(input) {
return false;
if pressed.contains(input) {
return None;
}
self.pressed.insert(input);
true
pressed.insert(input);
Some((sim_id, *pressed))
}
ElementState::Released => {
if !self.pressed.contains(input) {
return false;
if !pressed.contains(input) {
return None;
}
self.pressed.remove(input);
true
pressed.remove(input);
Some((sim_id, *pressed))
}
}
}
fn key_event_to_input(&self, event: &KeyEvent) -> Option<VBKey> {
fn key_event_to_input(&self, event: &KeyEvent) -> Option<(SimId, VBKey)> {
let mapper = self.input_mapper.read().unwrap();
mapper.key_event(event)
}
+101 -28
View File
@@ -1,4 +1,5 @@
use std::{
collections::HashMap,
fs,
path::{Path, PathBuf},
sync::{
@@ -10,11 +11,11 @@ use std::{
use anyhow::Result;
use crate::{
audio::Audio,
renderer::GameRenderer,
shrooms_vb_core::{CoreVB, VBKey},
};
use crate::{audio::Audio, graphics::TextureSink};
use shrooms_vb_core::Sim;
pub use shrooms_vb_core::VBKey;
mod shrooms_vb_core;
pub struct EmulatorBuilder {
rom: Option<PathBuf>,
@@ -23,6 +24,23 @@ pub struct EmulatorBuilder {
has_game: Arc<AtomicBool>,
}
#[derive(PartialEq, Eq, Hash, Clone, Copy, Debug)]
pub enum SimId {
Player1,
Player2,
}
impl SimId {
pub const fn values() -> [Self; 2] {
[Self::Player1, Self::Player2]
}
pub const fn to_index(self) -> usize {
match self {
Self::Player1 => 0,
Self::Player2 => 1,
}
}
}
impl EmulatorBuilder {
pub fn new() -> (Self, EmulatorClient) {
let (queue, commands) = mpsc::channel();
@@ -50,17 +68,17 @@ impl EmulatorBuilder {
pub fn build(self) -> Result<Emulator> {
let mut emulator = Emulator::new(self.commands, self.running, self.has_game)?;
if let Some(path) = self.rom {
emulator.load_rom(&path)?;
emulator.load_rom_from_file(SimId::Player1, &path)?;
}
Ok(emulator)
}
}
pub struct Emulator {
sim: CoreVB,
sims: Vec<Sim>,
audio: Audio,
commands: mpsc::Receiver<EmulatorCommand>,
renderer: Option<GameRenderer>,
renderers: HashMap<SimId, TextureSink>,
running: Arc<AtomicBool>,
has_game: Arc<AtomicBool>,
}
@@ -72,24 +90,52 @@ impl Emulator {
has_game: Arc<AtomicBool>,
) -> Result<Self> {
Ok(Self {
sim: CoreVB::new(),
sims: vec![],
audio: Audio::init()?,
commands,
renderer: None,
renderers: HashMap::new(),
running,
has_game,
})
}
pub fn load_rom(&mut self, path: &Path) -> Result<()> {
pub fn load_rom_from_file(&mut self, sim_id: SimId, path: &Path) -> Result<()> {
let bytes = fs::read(path)?;
self.sim.reset();
self.sim.load_rom(bytes)?;
self.load_rom(sim_id, bytes)?;
Ok(())
}
pub fn start_second_sim(&mut self, rom: Option<PathBuf>) -> Result<()> {
let bytes = if let Some(path) = rom {
fs::read(path)?
} else if let Some(rom) = self.sims.first().and_then(|s| s.clone_rom()) {
rom
} else {
return Ok(());
};
self.load_rom(SimId::Player2, bytes)?;
let (first, second) = self.sims.split_at_mut(1);
first[0].link(&mut second[0]);
Ok(())
}
fn load_rom(&mut self, sim_id: SimId, bytes: Vec<u8>) -> Result<()> {
while self.sims.len() <= sim_id.to_index() {
self.sims.push(Sim::new());
}
let sim = &mut self.sims[sim_id.to_index()];
sim.reset();
sim.load_rom(bytes)?;
self.has_game.store(true, Ordering::Release);
self.running.store(true, Ordering::Release);
Ok(())
}
pub fn stop_second_sim(&mut self) {
self.renderers.remove(&SimId::Player2);
self.sims.truncate(1);
}
pub fn run(&mut self) {
let mut eye_contents = vec![0u8; 384 * 224 * 2];
let mut audio_samples = vec![];
@@ -97,15 +143,26 @@ impl Emulator {
let mut idle = true;
if self.running.load(Ordering::Acquire) {
idle = false;
self.sim.emulate_frame();
Sim::emulate_many(&mut self.sims);
}
if let Some(renderer) = &mut self.renderer {
if self.sim.read_pixels(&mut eye_contents) {
for sim_id in SimId::values() {
let Some(renderer) = self.renderers.get_mut(&sim_id) else {
continue;
};
let Some(sim) = self.sims.get_mut(sim_id.to_index()) else {
continue;
};
if sim.read_pixels(&mut eye_contents) {
idle = false;
renderer.render(&eye_contents);
if renderer.queue_render(&eye_contents).is_err() {
self.renderers.remove(&sim_id);
}
}
self.sim.read_samples(&mut audio_samples);
}
let weight = 1.0 / self.sims.len() as f32;
for sim in self.sims.iter_mut() {
sim.read_samples(&mut audio_samples, weight);
}
if !audio_samples.is_empty() {
idle = false;
self.audio.update(&audio_samples);
@@ -137,14 +194,22 @@ impl Emulator {
fn handle_command(&mut self, command: EmulatorCommand) {
match command {
EmulatorCommand::SetRenderer(renderer) => {
self.renderer = Some(renderer);
EmulatorCommand::SetRenderer(sim_id, renderer) => {
self.renderers.insert(sim_id, renderer);
}
EmulatorCommand::LoadGame(path) => {
if let Err(error) = self.load_rom(&path) {
EmulatorCommand::LoadGame(sim_id, path) => {
if let Err(error) = self.load_rom_from_file(sim_id, &path) {
eprintln!("error loading rom: {}", error);
}
}
EmulatorCommand::StartSecondSim(path) => {
if let Err(error) = self.start_second_sim(path) {
eprintln!("error starting second sim: {}", error);
}
}
EmulatorCommand::StopSecondSim => {
self.stop_second_sim();
}
EmulatorCommand::Pause => {
self.running.store(false, Ordering::Release);
}
@@ -154,11 +219,17 @@ impl Emulator {
}
}
EmulatorCommand::Reset => {
self.sim.reset();
for sim in self.sims.iter_mut() {
sim.reset();
}
if !self.sims.is_empty() {
self.running.store(true, Ordering::Release);
}
EmulatorCommand::SetKeys(keys) => {
self.sim.set_keys(keys);
}
EmulatorCommand::SetKeys(sim_id, keys) => {
if let Some(sim) = self.sims.get_mut(sim_id.to_index()) {
sim.set_keys(keys);
}
}
}
}
@@ -166,12 +237,14 @@ impl Emulator {
#[derive(Debug)]
pub enum EmulatorCommand {
SetRenderer(GameRenderer),
LoadGame(PathBuf),
SetRenderer(SimId, TextureSink),
LoadGame(SimId, PathBuf),
StartSecondSim(Option<PathBuf>),
StopSecondSim,
Pause,
Resume,
Reset,
SetKeys(VBKey),
SetKeys(SimId, VBKey),
}
#[derive(Clone)]
@@ -25,6 +25,12 @@ enum VBDataType {
F32 = 5,
}
#[repr(i32)]
#[derive(FromPrimitive, ToPrimitive)]
enum VBOption {
PseudoHalt = 0,
}
bitflags! {
#[repr(transparent)]
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
@@ -52,10 +58,12 @@ type OnFrame = extern "C" fn(sim: *mut VB) -> c_int;
#[link(name = "vb")]
extern "C" {
#[link_name = "vbEmulate"]
fn vb_emulate(sim: *mut VB, cycles: *mut u32) -> c_int;
#[link_name = "vbEmulateEx"]
fn vb_emulate_ex(sims: *mut *mut VB, count: c_uint, cycles: *mut u32) -> c_int;
#[link_name = "vbGetCartROM"]
fn vb_get_cart_rom(sim: *mut VB, size: *mut u32) -> *mut c_void;
#[link_name = "vbGetPeer"]
fn vb_get_peer(sim: *mut VB) -> *mut VB;
#[link_name = "vbGetPixels"]
fn vb_get_pixels(
sim: *mut VB,
@@ -81,10 +89,14 @@ extern "C" {
fn vb_reset(sim: *mut VB);
#[link_name = "vbSetCartROM"]
fn vb_set_cart_rom(sim: *mut VB, rom: *mut c_void, size: u32) -> c_int;
#[link_name = "vbSetKeys"]
fn vb_set_keys(sim: *mut VB, keys: u16) -> u16;
#[link_name = "vbSetFrameCallback"]
fn vb_set_frame_callback(sim: *mut VB, on_frame: OnFrame);
#[link_name = "vbSetKeys"]
fn vb_set_keys(sim: *mut VB, keys: u16) -> u16;
#[link_name = "vbSetOption"]
fn vb_set_option(sim: *mut VB, key: VBOption, value: c_int);
#[link_name = "vbSetPeer"]
fn vb_set_peer(sim: *mut VB, peer: *mut VB);
#[link_name = "vbSetSamples"]
fn vb_set_samples(
sim: *mut VB,
@@ -113,14 +125,15 @@ struct VBState {
frame_seen: bool,
}
pub struct CoreVB {
#[repr(transparent)]
pub struct Sim {
sim: *mut VB,
}
// SAFETY: the memory pointed to by sim is valid
unsafe impl Send for CoreVB {}
unsafe impl Send for Sim {}
impl CoreVB {
impl Sim {
pub fn new() -> Self {
// init the VB instance itself
let size = unsafe { vb_size_of() };
@@ -128,6 +141,7 @@ impl CoreVB {
let memory = vec![0u64; size.div_ceil(4)];
let sim: *mut VB = Box::into_raw(memory.into_boxed_slice()).cast();
unsafe { vb_init(sim) };
unsafe { vb_set_option(sim, VBOption::PseudoHalt, 1) };
unsafe { vb_reset(sim) };
// set up userdata
@@ -140,7 +154,7 @@ impl CoreVB {
let samples: *mut c_void = Box::into_raw(audio_buffer.into_boxed_slice()).cast();
unsafe { vb_set_samples(sim, samples, VBDataType::F32, AUDIO_CAPACITY_SAMPLES as u32) };
CoreVB { sim }
Sim { sim }
}
pub fn reset(&mut self) {
@@ -162,6 +176,17 @@ impl CoreVB {
}
}
pub fn clone_rom(&self) -> Option<Vec<u8>> {
let mut size = 0;
let rom = unsafe { vb_get_cart_rom(self.sim, &mut size) };
if rom.is_null() {
return None;
}
// SAFETY: rom definitely points to a valid array of `size` bytes
let slice: &[u8] = unsafe { slice::from_raw_parts(rom.cast(), size as usize) };
Some(slice.to_vec())
}
fn unload_rom(&mut self) -> Option<Vec<u8>> {
let mut size = 0;
let rom = unsafe { vb_get_cart_rom(self.sim, &mut size) };
@@ -173,9 +198,15 @@ impl CoreVB {
Some(vec)
}
pub fn emulate_frame(&mut self) {
pub fn link(&mut self, peer: &mut Sim) {
unsafe { vb_set_peer(self.sim, peer.sim) };
}
pub fn emulate_many(sims: &mut [Sim]) {
let mut cycles = 20_000_000;
unsafe { vb_emulate(self.sim, &mut cycles) };
let count = sims.len() as c_uint;
let sims = sims.as_mut_ptr().cast();
unsafe { vb_emulate_ex(sims, count, &mut cycles) };
}
pub fn read_pixels(&mut self, buffers: &mut [u8]) -> bool {
@@ -203,14 +234,17 @@ impl CoreVB {
true
}
pub fn read_samples(&mut self, samples: &mut Vec<f32>) {
pub fn read_samples(&mut self, samples: &mut Vec<f32>, weight: f32) {
let mut position = 0;
let ptr =
unsafe { vb_get_samples(self.sim, ptr::null_mut(), ptr::null_mut(), &mut position) };
// SAFETY: position is an offset in a buffer of (f32, f32). so, position * 2 is an offset in a buffer of f32.
let read_samples: &mut [f32] =
unsafe { slice::from_raw_parts_mut(ptr.cast(), position as usize * 2) };
samples.extend_from_slice(read_samples);
let read_samples: &[f32] =
unsafe { slice::from_raw_parts(ptr.cast(), position as usize * 2) };
samples.resize(read_samples.len(), 0.0);
for (index, sample) in read_samples.iter().enumerate() {
samples[index] += sample * weight;
}
unsafe {
vb_set_samples(
@@ -227,7 +261,7 @@ impl CoreVB {
}
}
impl Drop for CoreVB {
impl Drop for Sim {
fn drop(&mut self) {
let ptr =
unsafe { vb_get_samples(self.sim, ptr::null_mut(), ptr::null_mut(), ptr::null_mut()) };
@@ -243,6 +277,12 @@ impl Drop for CoreVB {
// SAFETY: we made this pointer ourselves, we can for sure free it
unsafe { drop(Box::from_raw(ptr)) };
// If we're linked to another sim, unlink them from ourselves.
let peer = unsafe { vb_get_peer(self.sim) };
if !peer.is_null() {
unsafe { vb_set_peer(peer, ptr::null_mut()) };
}
let len = unsafe { vb_size_of() }.div_ceil(4);
// SAFETY: the sim's memory originally came from a Vec<u64>
let bytes: Vec<u64> = unsafe { Vec::from_raw_parts(self.sim.cast(), len, len) };
+143
View File
@@ -0,0 +1,143 @@
use std::{
sync::{
atomic::{AtomicU64, Ordering},
mpsc, Arc, Mutex, MutexGuard,
},
thread,
};
use anyhow::{bail, Result};
use itertools::Itertools as _;
use wgpu::{
Device, Extent3d, ImageCopyTexture, ImageDataLayout, Origin3d, Queue, Texture,
TextureDescriptor, TextureFormat, TextureUsages, TextureView, TextureViewDescriptor,
};
#[derive(Debug)]
pub struct TextureSink {
buffers: Arc<BufferPool>,
sink: mpsc::Sender<u64>,
}
impl TextureSink {
pub fn new(device: &Device, queue: Arc<Queue>) -> (Self, TextureView) {
let texture = Self::create_texture(device);
let view = texture.create_view(&TextureViewDescriptor::default());
let buffers = Arc::new(BufferPool::new());
let (sink, source) = mpsc::channel();
let bufs = buffers.clone();
thread::spawn(move || {
let mut local_buf = vec![0; 384 * 224 * 2];
while let Ok(id) = source.recv() {
{
let Some(bytes) = bufs.read(id) else {
continue;
};
local_buf.copy_from_slice(bytes.as_slice());
}
Self::write_texture(&queue, &texture, local_buf.as_slice());
}
});
let sink = Self { buffers, sink };
(sink, view)
}
pub fn queue_render(&mut self, bytes: &[u8]) -> Result<()> {
let id = {
let (mut buf, id) = self.buffers.write()?;
buf.copy_from_slice(bytes);
id
};
self.sink.send(id)?;
Ok(())
}
fn create_texture(device: &Device) -> Texture {
let desc = TextureDescriptor {
label: Some("eyes"),
size: Extent3d {
width: 384,
height: 224,
depth_or_array_layers: 1,
},
mip_level_count: 1,
sample_count: 1,
dimension: wgpu::TextureDimension::D2,
format: TextureFormat::Rg8Unorm,
usage: TextureUsages::COPY_SRC
| TextureUsages::COPY_DST
| TextureUsages::TEXTURE_BINDING,
view_formats: &[TextureFormat::Rg8Unorm],
};
device.create_texture(&desc)
}
fn write_texture(queue: &Queue, texture: &Texture, bytes: &[u8]) {
let texture = ImageCopyTexture {
texture,
mip_level: 0,
origin: Origin3d::ZERO,
aspect: wgpu::TextureAspect::All,
};
let size = Extent3d {
width: 384,
height: 224,
depth_or_array_layers: 1,
};
let data_layout = ImageDataLayout {
offset: 0,
bytes_per_row: Some(384 * 2),
rows_per_image: Some(224),
};
queue.write_texture(texture, bytes, data_layout, size);
}
}
#[derive(Debug)]
struct BufferPool {
buffers: [Buffer; 3],
}
impl BufferPool {
fn new() -> Self {
Self {
buffers: std::array::from_fn(|i| Buffer::new(i as u64)),
}
}
fn read(&self, id: u64) -> Option<MutexGuard<'_, Vec<u8>>> {
let buf = self
.buffers
.iter()
.find(|buf| buf.id.load(Ordering::Acquire) == id)?;
buf.data.lock().ok()
}
fn write(&self) -> Result<(MutexGuard<'_, Vec<u8>>, u64)> {
let (min, max) = self
.buffers
.iter()
.minmax_by_key(|buf| buf.id.load(Ordering::Acquire))
.into_option()
.unwrap();
let Ok(lock) = min.data.lock() else {
bail!("lock was poisoned")
};
let id = max.id.load(Ordering::Acquire) + 1;
min.id.store(id, Ordering::Release);
Ok((lock, id))
}
}
#[derive(Debug)]
struct Buffer {
data: Mutex<Vec<u8>>,
id: AtomicU64,
}
impl Buffer {
fn new(id: u64) -> Self {
Self {
data: Mutex::new(vec![0; 384 * 224 * 2]),
id: AtomicU64::new(id),
}
}
}
+49 -32
View File
@@ -2,15 +2,14 @@ use std::collections::HashMap;
use winit::{
event::KeyEvent,
keyboard::{Key, NamedKey},
platform::modifier_supplement::KeyEventExtModifierSupplement,
keyboard::{KeyCode, PhysicalKey},
};
use crate::shrooms_vb_core::VBKey;
use crate::emulator::{SimId, VBKey};
pub struct InputMapper {
vb_bindings: HashMap<VBKey, Key>,
key_bindings: HashMap<Key, VBKey>,
vb_bindings: HashMap<SimId, HashMap<VBKey, PhysicalKey>>,
key_bindings: HashMap<PhysicalKey, (SimId, VBKey)>,
}
impl InputMapper {
@@ -19,30 +18,48 @@ impl InputMapper {
vb_bindings: HashMap::new(),
key_bindings: HashMap::new(),
};
mapper.bind_key(VBKey::SEL, Key::Character("a".into()));
mapper.bind_key(VBKey::STA, Key::Character("s".into()));
mapper.bind_key(VBKey::B, Key::Character("d".into()));
mapper.bind_key(VBKey::A, Key::Character("f".into()));
mapper.bind_key(VBKey::LT, Key::Character("e".into()));
mapper.bind_key(VBKey::RT, Key::Character("r".into()));
mapper.bind_key(VBKey::RU, Key::Character("i".into()));
mapper.bind_key(VBKey::RL, Key::Character("j".into()));
mapper.bind_key(VBKey::RD, Key::Character("k".into()));
mapper.bind_key(VBKey::RR, Key::Character("l".into()));
mapper.bind_key(VBKey::LU, Key::Named(NamedKey::ArrowUp));
mapper.bind_key(VBKey::LL, Key::Named(NamedKey::ArrowLeft));
mapper.bind_key(VBKey::LD, Key::Named(NamedKey::ArrowDown));
mapper.bind_key(VBKey::LR, Key::Named(NamedKey::ArrowRight));
mapper.bind_key(SimId::Player1, VBKey::SEL, PhysicalKey::Code(KeyCode::KeyA));
mapper.bind_key(SimId::Player1, VBKey::STA, PhysicalKey::Code(KeyCode::KeyS));
mapper.bind_key(SimId::Player1, VBKey::B, PhysicalKey::Code(KeyCode::KeyD));
mapper.bind_key(SimId::Player1, VBKey::A, PhysicalKey::Code(KeyCode::KeyF));
mapper.bind_key(SimId::Player1, VBKey::LT, PhysicalKey::Code(KeyCode::KeyE));
mapper.bind_key(SimId::Player1, VBKey::RT, PhysicalKey::Code(KeyCode::KeyR));
mapper.bind_key(SimId::Player1, VBKey::RU, PhysicalKey::Code(KeyCode::KeyI));
mapper.bind_key(SimId::Player1, VBKey::RL, PhysicalKey::Code(KeyCode::KeyJ));
mapper.bind_key(SimId::Player1, VBKey::RD, PhysicalKey::Code(KeyCode::KeyK));
mapper.bind_key(SimId::Player1, VBKey::RR, PhysicalKey::Code(KeyCode::KeyL));
mapper.bind_key(
SimId::Player1,
VBKey::LU,
PhysicalKey::Code(KeyCode::ArrowUp),
);
mapper.bind_key(
SimId::Player1,
VBKey::LL,
PhysicalKey::Code(KeyCode::ArrowLeft),
);
mapper.bind_key(
SimId::Player1,
VBKey::LD,
PhysicalKey::Code(KeyCode::ArrowDown),
);
mapper.bind_key(
SimId::Player1,
VBKey::LR,
PhysicalKey::Code(KeyCode::ArrowRight),
);
mapper
}
pub fn binding_names(&self) -> HashMap<VBKey, String> {
self.vb_bindings
pub fn binding_names(&self, sim_id: &SimId) -> HashMap<VBKey, String> {
let Some(bindings) = self.vb_bindings.get(sim_id) else {
return HashMap::new();
};
bindings
.iter()
.map(|(k, v)| {
let name = match v {
Key::Character(char) => char.to_string(),
Key::Named(key) => format!("{:?}", key),
PhysicalKey::Code(code) => format!("{code:?}"),
k => format!("{:?}", k),
};
(*k, name)
@@ -50,22 +67,22 @@ impl InputMapper {
.collect()
}
pub fn bind_key(&mut self, vb: VBKey, key: Key) {
if let Some(old) = self.vb_bindings.insert(vb, key.clone()) {
pub fn bind_key(&mut self, sim_id: SimId, vb: VBKey, key: PhysicalKey) {
let vb_bindings = self.vb_bindings.entry(sim_id).or_default();
if let Some(old) = vb_bindings.insert(vb, key) {
self.key_bindings.remove(&old);
}
self.key_bindings.insert(key, vb);
self.key_bindings.insert(key, (sim_id, vb));
}
pub fn clear_binding(&mut self, vb: VBKey) {
if let Some(old) = self.vb_bindings.remove(&vb) {
pub fn clear_binding(&mut self, sim_id: SimId, vb: VBKey) {
let vb_bindings = self.vb_bindings.entry(sim_id).or_default();
if let Some(old) = vb_bindings.remove(&vb) {
self.key_bindings.remove(&old);
}
}
pub fn key_event(&self, event: &KeyEvent) -> Option<VBKey> {
self.key_bindings
.get(&event.key_without_modifiers())
.cloned()
pub fn key_event(&self, event: &KeyEvent) -> Option<(SimId, VBKey)> {
self.key_bindings.get(&event.physical_key).copied()
}
}
+1 -2
View File
@@ -11,9 +11,8 @@ mod app;
mod audio;
mod controller;
mod emulator;
mod graphics;
mod input;
mod renderer;
mod shrooms_vb_core;
#[derive(Parser)]
struct Args {
-53
View File
@@ -1,53 +0,0 @@
use std::sync::Arc;
use wgpu::{
Extent3d, ImageCopyTexture, ImageDataLayout, Origin3d, Queue, Texture, TextureDescriptor,
TextureFormat, TextureUsages,
};
#[derive(Debug)]
pub struct GameRenderer {
pub queue: Arc<Queue>,
pub eyes: Arc<Texture>,
}
impl GameRenderer {
pub fn render(&self, buffer: &[u8]) {
let texture = ImageCopyTexture {
texture: &self.eyes,
mip_level: 0,
origin: Origin3d::ZERO,
aspect: wgpu::TextureAspect::All,
};
let size = Extent3d {
width: 384,
height: 224,
depth_or_array_layers: 1,
};
let data_layout = ImageDataLayout {
offset: 0,
bytes_per_row: Some(384 * 2),
rows_per_image: Some(224),
};
self.queue.write_texture(texture, buffer, data_layout, size);
}
pub fn create_texture(device: &wgpu::Device, name: &str) -> Texture {
let desc = TextureDescriptor {
label: Some(name),
size: Extent3d {
width: 384,
height: 224,
depth_or_array_layers: 1,
},
mip_level_count: 1,
sample_count: 1,
dimension: wgpu::TextureDimension::D2,
format: TextureFormat::Rg8Unorm,
usage: TextureUsages::COPY_SRC
| TextureUsages::COPY_DST
| TextureUsages::TEXTURE_BINDING,
view_formats: &[TextureFormat::Rg8Unorm],
};
device.create_texture(&desc)
}
}