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use audio for netplay messages (#256)

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* use audio for netplay messages

* more
This commit is contained in:
Logan McNaughton 2025-02-16 11:04:59 +01:00 committed by GitHub
parent 91a5483452
commit dc5a78a75e
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GPG Key ID: B5690EEEBB952194
10 changed files with 71 additions and 64 deletions
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38
src/netplay.rs
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@ -1,5 +1,4 @@
use crate::{device, ui};
use eframe::egui;
use std::io::{Read, Write};
//UDP packet formats
const UDP_SEND_KEY_INFO: u8 = 0;
@ -29,8 +28,6 @@ pub struct Netplay {
status: u8,
buffer_target: u8,
pub fast_forward: bool,
pub error_notifier: tokio::sync::mpsc::Sender<String>,
pub gui_ctx: egui::Context,
}
pub struct PlayerData {
@ -45,11 +42,13 @@ struct InputEvent {
plugin: u8,
}
fn send_error(netplay: &mut Netplay, error: String) {
netplay.error_notifier.try_send(error).unwrap();
netplay.gui_ctx.request_repaint(); // this is so the window pops up right away
}
pub const NETPLAY_ERROR_DESYNC: u32 = 0;
pub const NETPLAY_ERROR_LOST_CONNECTION: u32 = 1;
pub const NETPLAY_ERROR_PLAYER_DISCONNECTED: u32 = 2;
pub const NETPLAY_ERROR_PLAYER_1_DISCONNECTED: u32 = 3;
pub const NETPLAY_ERROR_PLAYER_2_DISCONNECTED: u32 = 4;
pub const NETPLAY_ERROR_PLAYER_3_DISCONNECTED: u32 = 5;
pub const NETPLAY_ERROR_PLAYER_4_DISCONNECTED: u32 = 6;
pub fn send_save(netplay: &mut Netplay, save_type: &str, save_data: &[u8], size: usize) {
let mut request: Vec<u8> = [TCP_SEND_SAVE].to_vec();
@ -109,7 +108,7 @@ pub fn get_input(device: &mut device::Device, channel: usize) -> (u32, bool) {
let timeout = std::time::Instant::now() + std::time::Duration::from_secs(10);
let mut request_timer = std::time::Instant::now() - std::time::Duration::from_millis(5);
while input.is_none() {
process_incoming(netplay); // we execute process_incoming before request_input so that we send an accurate buffer count
process_incoming(netplay, &mut device.ui); // we execute process_incoming before request_input so that we send an accurate buffer count
if std::time::Instant::now() > request_timer {
// sends a request packet every 5ms
request_input(netplay, channel);
@ -120,10 +119,7 @@ pub fn get_input(device: &mut device::Device, channel: usize) -> (u32, bool) {
.remove(&netplay.player_data[channel].count);
if std::time::Instant::now() > timeout {
send_error(
netplay,
"Timed out waiting for input. Lost connection to server".to_string(),
);
ui::audio::play_netplay_audio(&mut device.ui, NETPLAY_ERROR_LOST_CONNECTION);
input = Some(InputEvent {
input: 0,
plugin: 0,
@ -154,7 +150,7 @@ fn request_input(netplay: &Netplay, channel: usize) {
netplay.udp_socket.send(&request).unwrap();
}
fn process_incoming(netplay: &mut Netplay) {
fn process_incoming(netplay: &mut Netplay, ui: &mut ui::Ui) {
let mut buf: [u8; 1024] = [0; 1024];
while let Ok(_incoming) = netplay.udp_socket.recv(&mut buf) {
match buf[0] {
@ -168,15 +164,15 @@ fn process_incoming(netplay: &mut Netplay) {
}
if current_status != netplay.status {
if ((current_status & 0x1) ^ (netplay.status & 0x1)) != 0 {
send_error(
netplay,
format!("Players have desynced at VI {}", netplay.vi_counter),
);
ui::audio::play_netplay_audio(ui, NETPLAY_ERROR_DESYNC);
}
for dis in 1..5 {
if ((current_status & (0x1 << dis)) ^ (netplay.status & (0x1 << dis))) != 0
{
send_error(netplay, format!("Player {} has disconnected", dis));
ui::audio::play_netplay_audio(
ui,
NETPLAY_ERROR_PLAYER_DISCONNECTED + dis,
);
}
}
netplay.status = current_status;
@ -218,8 +214,6 @@ pub fn init(
mut peer_addr: std::net::SocketAddr,
session: ui::gui::gui_netplay::NetplayRoom,
player_number: u8,
error_notifier: tokio::sync::mpsc::Sender<String>,
gui_ctx: egui::Context,
) -> Netplay {
peer_addr.set_port(session.port.unwrap() as u16);
let udp_socket;
@ -283,8 +277,6 @@ pub fn init(
status: 0,
buffer_target,
fast_forward: false,
error_notifier,
gui_ctx,
player_data: [
PlayerData {
lag: 0,

17
src/ui.rs
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@ -22,10 +22,10 @@ pub struct Ui {
pub game_hash: String,
pub paths: storage::Paths,
pub saves: storage::Saves,
pub pak_audio: audio::PakAudio,
pub event_audio: audio::EventAudio,
pub window: *mut sdl3_sys::video::SDL_Window,
pub audio_stream: *mut sdl3_sys::audio::SDL_AudioStream,
pub pak_audio_stream: *mut sdl3_sys::audio::SDL_AudioStream,
pub event_audio_stream: *mut sdl3_sys::audio::SDL_AudioStream,
pub audio_device: u32,
pub num_joysticks: i32,
pub fullscreen: bool,
@ -129,14 +129,23 @@ impl Ui {
sdcard: (Vec::new(), false),
romsave: (std::collections::HashMap::new(), false),
},
pak_audio: audio::PakAudio {
event_audio: audio::EventAudio {
mempak: include_bytes!("../data/mempak.wav").to_vec(),
rumblepak: include_bytes!("../data/rumblepak.wav").to_vec(),
transferpak: include_bytes!("../data/transferpak.wav").to_vec(),
netplay_desync: include_bytes!("../data/netplay_desync.wav").to_vec(),
netplay_lost_connection: include_bytes!("../data/netplay_lost_connection.wav")
.to_vec(),
netplay_disconnected: [
include_bytes!("../data/netplay_p1_disconnected.wav").to_vec(),
include_bytes!("../data/netplay_p2_disconnected.wav").to_vec(),
include_bytes!("../data/netplay_p3_disconnected.wav").to_vec(),
include_bytes!("../data/netplay_p4_disconnected.wav").to_vec(),
],
},
window: std::ptr::null_mut(),
audio_stream: std::ptr::null_mut(),
pak_audio_stream: std::ptr::null_mut(),
event_audio_stream: std::ptr::null_mut(),
audio_device: 0,
fullscreen: false,
num_joysticks,

61
src/ui/audio.rs
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@ -1,10 +1,14 @@
use crate::device;
use crate::netplay;
use crate::ui;
pub struct PakAudio {
pub struct EventAudio {
pub mempak: Vec<u8>,
pub rumblepak: Vec<u8>,
pub transferpak: Vec<u8>,
pub netplay_desync: Vec<u8>,
pub netplay_lost_connection: Vec<u8>,
pub netplay_disconnected: [Vec<u8>; 4],
}
pub fn init(ui: &mut ui::Ui, frequency: u64) {
@ -46,8 +50,9 @@ pub fn init(ui: &mut ui::Ui, frequency: u64) {
channels: 1,
};
ui.pak_audio_stream = unsafe { sdl3_sys::audio::SDL_CreateAudioStream(&wav_audio_spec, &dst) };
if !unsafe { sdl3_sys::audio::SDL_BindAudioStream(ui.audio_device, ui.pak_audio_stream) } {
ui.event_audio_stream =
unsafe { sdl3_sys::audio::SDL_CreateAudioStream(&wav_audio_spec, &dst) };
if !unsafe { sdl3_sys::audio::SDL_BindAudioStream(ui.audio_device, ui.event_audio_stream) } {
panic!("Could not bind audio stream");
}
}
@ -58,33 +63,53 @@ pub fn close(ui: &mut ui::Ui) {
sdl3_sys::audio::SDL_DestroyAudioStream(ui.audio_stream);
ui.audio_stream = std::ptr::null_mut();
}
if !ui.pak_audio_stream.is_null() {
sdl3_sys::audio::SDL_DestroyAudioStream(ui.pak_audio_stream);
ui.pak_audio_stream = std::ptr::null_mut();
if !ui.event_audio_stream.is_null() {
sdl3_sys::audio::SDL_DestroyAudioStream(ui.event_audio_stream);
ui.event_audio_stream = std::ptr::null_mut();
}
sdl3_sys::audio::SDL_CloseAudioDevice(ui.audio_device);
ui.audio_device = 0;
}
}
pub fn play_netplay_audio(ui: &mut ui::Ui, error: u32) {
if ui.event_audio_stream.is_null() {
return;
}
let sound = match error {
netplay::NETPLAY_ERROR_DESYNC => &ui.event_audio.netplay_desync,
netplay::NETPLAY_ERROR_LOST_CONNECTION => &ui.event_audio.netplay_lost_connection,
netplay::NETPLAY_ERROR_PLAYER_1_DISCONNECTED => &ui.event_audio.netplay_disconnected[0],
netplay::NETPLAY_ERROR_PLAYER_2_DISCONNECTED => &ui.event_audio.netplay_disconnected[1],
netplay::NETPLAY_ERROR_PLAYER_3_DISCONNECTED => &ui.event_audio.netplay_disconnected[2],
netplay::NETPLAY_ERROR_PLAYER_4_DISCONNECTED => &ui.event_audio.netplay_disconnected[3],
_ => panic!("Invalid netplay error"),
};
if !unsafe {
sdl3_sys::audio::SDL_PutAudioStreamData(
ui.event_audio_stream,
sound.as_ptr() as *const std::ffi::c_void,
sound.len() as i32,
)
} {
panic!("Could not play audio");
}
}
pub fn play_pak_switch(ui: &mut ui::Ui, pak: device::controller::PakType) {
if ui.pak_audio_stream.is_null() {
if ui.event_audio_stream.is_null() {
return;
}
let sound;
if pak == device::controller::PakType::RumblePak {
sound = &ui.pak_audio.rumblepak;
} else if pak == device::controller::PakType::MemPak {
sound = &ui.pak_audio.mempak;
} else if pak == device::controller::PakType::TransferPak {
sound = &ui.pak_audio.transferpak;
} else {
return;
}
let sound = match pak {
device::controller::PakType::RumblePak => &ui.event_audio.rumblepak,
device::controller::PakType::MemPak => &ui.event_audio.mempak,
device::controller::PakType::TransferPak => &ui.event_audio.transferpak,
_ => panic!("Invalid pak type"),
};
if !unsafe {
sdl3_sys::audio::SDL_PutAudioStreamData(
ui.pak_audio_stream,
ui.event_audio_stream,
sound.as_ptr() as *const std::ffi::c_void,
sound.len() as i32,
)

19
src/ui/gui.rs
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@ -20,7 +20,6 @@ pub struct GopherEguiApp {
dinput: bool,
show_vru_dialog: bool,
vru_window_receiver: Option<tokio::sync::mpsc::Receiver<Vec<String>>>,
netplay_error_receiver: Option<tokio::sync::mpsc::Receiver<String>>,
vru_word_notifier: Option<tokio::sync::mpsc::Sender<String>>,
vru_word_list: Vec<String>,
pub netplay: gui_netplay::GuiNetplay,
@ -111,7 +110,6 @@ impl GopherEguiApp {
show_vru_dialog: false,
dinput: false,
controller_paths,
netplay_error_receiver: None,
vru_window_receiver: None,
vru_word_notifier: None,
vru_word_list: Vec::new(),
@ -267,11 +265,6 @@ pub fn open_rom(app: &mut GopherEguiApp, ctx: &egui::Context) {
player_number = Some(app.netplay.player_number);
}
let (netplay_error_notifier, netplay_error_receiver): (
tokio::sync::mpsc::Sender<String>,
tokio::sync::mpsc::Receiver<String>,
) = tokio::sync::mpsc::channel(1);
let (vru_window_notifier, vru_window_receiver): (
tokio::sync::mpsc::Sender<Vec<String>>,
tokio::sync::mpsc::Receiver<Vec<String>>,
@ -282,9 +275,6 @@ pub fn open_rom(app: &mut GopherEguiApp, ctx: &egui::Context) {
tokio::sync::mpsc::Receiver<String>,
) = tokio::sync::mpsc::channel(1);
if netplay {
app.netplay_error_receiver = Some(netplay_error_receiver);
}
if emulate_vru && !netplay {
app.vru_window_receiver = Some(vru_window_receiver);
app.vru_word_notifier = Some(vru_word_notifier);
@ -336,8 +326,6 @@ pub fn open_rom(app: &mut GopherEguiApp, ctx: &egui::Context) {
peer_addr.unwrap(),
session.unwrap(),
player_number.unwrap(),
netplay_error_notifier,
gui_ctx,
));
device.ui.fullscreen = fullscreen;
device::run_game(rom_contents, &mut device);
@ -381,13 +369,6 @@ impl eframe::App for GopherEguiApp {
gui_netplay::netplay_wait(self, ctx);
}
if self.netplay_error_receiver.is_some() {
let result = self.netplay_error_receiver.as_mut().unwrap().try_recv();
if result.is_ok() {
self.netplay.error = result.unwrap();
}
}
if !self.netplay.error.is_empty() {
gui_netplay::netplay_error(self, ctx, self.netplay.error.clone());
}