separate prepare and run emulator

gb-emu/src/bin/cli.rs

@@ -5,9 +5,9 @@ use camera::Webcam;
 use clap::{ArgGroup, Parser, Subcommand, ValueEnum};
 use gb_emu_lib::{
     config::ConfigManager,
-    connect::{SerialTarget, SramType, StdoutType},
+    connect::{EmulatorMessage, SerialTarget, SramType, StdoutType},
 };
-use std::path::PathBuf;
+use std::{path::PathBuf, sync::mpsc::channel};
 
 #[cfg(all(feature = "vulkan", feature = "pixels"))]
 compile_error!("select only one rendering backend!");
@@ -159,6 +159,15 @@ fn main() {
             }
         }
     } else {
-        gb_emu::run(args.into());
+        let (sender, receiver) = channel::<EmulatorMessage>();
+
+        {
+            let sender = sender.clone();
+            ctrlc::set_handler(move || {
+                sender.send(EmulatorMessage::Exit).unwrap();
+            })
+            .unwrap();
+        }
+        gb_emu::run(gb_emu::prepare(args.into(), sender, receiver));
     }
 }

gb-emu/src/bin/macos/mod.rs

@@ -1,4 +1,5 @@
 use std::path::PathBuf;
+use std::sync::mpsc::channel;
 use std::sync::RwLock;
 
 use cacao::appkit::menu::{Menu, MenuItem};
@@ -6,6 +7,7 @@ use cacao::appkit::window::{Window, WindowConfig, WindowStyle, WindowToolbarStyl
 use cacao::appkit::{App, AppDelegate};
 use cacao::filesystem::FileSelectPanel;
 use cacao::notification_center::Dispatcher;
+use gb_emu_lib::connect::EmulatorMessage;
 
 use self::preferences::{PreferencesMessage, PreferencesUi};
 
@@ -40,8 +42,12 @@ impl TwincUiApp {
 }
 
 fn open_file(path: PathBuf) {
-    println!("open {path:?}");
-    // gb_emu::run(gb_emu::RunOptions::new(path));
+    let (sender, receiver) = channel::<EmulatorMessage>();
+    gb_emu::run(gb_emu::prepare(
+        gb_emu::RunOptions::new(path),
+        sender,
+        receiver,
+    ));
 }
 
 impl Default for TwincUiApp {

gb-emu/src/lib.rs

@@ -6,15 +6,18 @@ use debug::Debugger;
 use gb_emu_lib::{
     config::{ConfigManager, NamedConfig},
     connect::{
-        CgbRomType, EmulatorCoreTrait, EmulatorMessage, EmulatorOptions, NoCamera, RomFile,
-        SerialTarget, SramType,
+        AudioOutput, CameraWrapper, CgbRomType, EmulatorCoreTrait, EmulatorMessage,
+        EmulatorOptions, NoCamera, Rom, RomFile, SerialTarget, SramType,
     },
     EmulatorCore,
 };
 use serde::{Deserialize, Serialize};
 use std::{
     path::PathBuf,
-    sync::{mpsc::channel, OnceLock},
+    sync::{
+        mpsc::{Receiver, Sender},
+        Arc, Mutex, OnceLock,
+    },
     time::{Duration, Instant},
 };
 use window::WindowManager;
@@ -96,17 +99,31 @@ impl RunOptions {
     }
 }
 
-pub fn run(options: RunOptions) -> ! {
-    let (sender, receiver) = channel::<EmulatorMessage>();
-
+pub struct PreparedEmulator<C>
+where
+    C: gb_emu_lib::connect::PocketCamera,
 {
-        let sender = sender.clone();
-        ctrlc::set_handler(move || {
-            sender.send(EmulatorMessage::Exit).unwrap();
-        })
-        .unwrap();
+    sender: Sender<EmulatorMessage>,
+    stream: cpal::Stream,
+    scale_override: usize,
+    shader_path: Option<PathBuf>,
+    resizable: bool,
+    rom: Rom<C>,
+    output: AudioOutput,
+    receiver: Receiver<EmulatorMessage>,
+    camera: Arc<Mutex<CameraWrapper<C>>>,
+    serial: SerialTarget,
+    tile_window: bool,
+    layer_window: bool,
+    debug: bool,
+    record: bool,
 }
 
+pub fn prepare(
+    options: RunOptions,
+    sender: Sender<EmulatorMessage>,
+    receiver: Receiver<EmulatorMessage>,
+) -> PreparedEmulator<NoCamera> {
     let config_manager = ConfigManager::get().expect("Could not open config folder");
     let config = config_manager.load_or_create_base_config();
     let standalone_config: StandaloneConfig = config_manager.load_or_create_config();
@@ -152,25 +169,54 @@ pub fn run(options: RunOptions) -> ! {
     }
     .unwrap_or(configs.standalone_config.scale_factor);
 
-    let mut window_manager = WindowManager::new(sender, stream, options.record);
+    PreparedEmulator {
+        sender,
+        stream,
+        scale_override,
+        shader_path,
+        resizable,
+        rom,
+        output,
+        receiver,
+        camera,
+        serial: options.serial,
+        tile_window: options.tile_window,
+        layer_window: options.layer_window,
+        debug: options.debug,
+        record: options.record,
+    }
+}
 
-    let window = window_manager.add_main(scale_override, shader_path, resizable);
+pub fn run(prepared: PreparedEmulator<NoCamera>) -> ! {
+    let configs = access_config();
+    let mut window_manager = WindowManager::new(prepared.sender, prepared.stream, prepared.record);
 
-    let tile_window = if options.tile_window {
+    let window = window_manager.add_main(
+        prepared.scale_override,
+        prepared.shader_path,
+        prepared.resizable,
+    );
+
+    let tile_window = if prepared.tile_window {
         Some(window_manager.add(configs.standalone_config.scale_factor, None, false))
     } else {
         None
     };
 
-    let layer_window = if options.layer_window {
+    let layer_window = if prepared.layer_window {
         Some(window_manager.add(configs.standalone_config.scale_factor.min(2), None, false))
     } else {
         None
     };
 
-    let emulator_options =
-        EmulatorOptions::new_with_config(config, config_manager.dir(), window, rom, output)
-            .with_serial_target(options.serial)
+    let emulator_options = EmulatorOptions::new_with_config(
+        configs.emu_config.clone(),
+        configs.config_dir.clone(),
+        window,
+        prepared.rom,
+        prepared.output,
+    )
+    .with_serial_target(prepared.serial)
     .with_tile_window(tile_window)
     .with_layer_window(layer_window);
 
@@ -192,9 +238,9 @@ pub fn run(options: RunOptions) -> ! {
     //     EmulatorTypes::Normal(core)
     // };
 
-    let mut core = EmulatorCore::init(true, receiver, emulator_options, camera);
+    let mut core = EmulatorCore::init(true, prepared.receiver, emulator_options, prepared.camera);
 
-    if options.debug {
+    if prepared.debug {
         let mut debugger = Debugger::new(Box::new(core));
         let mut since = Instant::now();
         loop {

lib/src/connect/mod.rs

@@ -9,7 +9,7 @@ pub use crate::processor::memory::mmio::joypad::{JoypadButtons, JoypadState};
 pub use crate::processor::memory::mmio::serial::{SerialTarget, StdoutType};
 use crate::processor::memory::rom::sram_save::SaveDataLocation;
 pub use crate::processor::memory::rom::CgbRomType;
-use crate::processor::memory::Rom;
+pub use crate::processor::memory::Rom;
 pub use crate::{HEIGHT, WIDTH};
 use async_ringbuf::{AsyncHeapConsumer, AsyncHeapProducer, AsyncHeapRb};
 
@@ -211,7 +211,7 @@ where
     }
 }
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub enum SramType {
     File(PathBuf),
     RawBuffer(Arc<RwLock<Vec<u8>>>),