88 lines
2.6 KiB
Rust
88 lines
2.6 KiB
Rust
extern crate crossbeam_channel;
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extern crate ferretro_components;
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extern crate ffmpeg_next as ffmpeg;
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extern crate sdl2;
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use std::path::PathBuf;
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use structopt::StructOpt;
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use ferretro_components::prelude::*;
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use ferretro_components::provided::{
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ffmpeg::FfmpegComponent,
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sdl2::*,
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stdlib::{PathBufComponent, StderrLogComponent, SleepFramerateLimitComponent},
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};
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use ferretro_components::base::ControlFlow;
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#[derive(StructOpt)]
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struct Opt {
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/// Core module to use.
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#[structopt(short, long, parse(from_os_str))]
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core: PathBuf,
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/// ROM to load using the core.
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#[structopt(short, long, parse(from_os_str))]
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rom: PathBuf,
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/// Save state to load at startup.
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#[structopt(long, parse(from_os_str))]
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state: Option<PathBuf>,
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/// System directory, often containing BIOS files
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#[structopt(short, long, parse(from_os_str))]
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system: Option<PathBuf>,
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/// Recorded video to write.
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#[structopt(short, long, parse(from_os_str))]
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video: Option<PathBuf>,
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}
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pub fn main() -> Result<(), Box<dyn std::error::Error>> {
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let opt: Opt = Opt::from_args();
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let mut emu = RetroComponentBase::new(&opt.core);
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let mut sdl_context = sdl2::init()?;
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let mut stderr_log = StderrLogComponent::default();
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stderr_log.prefix = "{log} ".to_string();
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emu.register_component(stderr_log)?;
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// must register before opengl so it can have priority in queries about what N64 plugin to use
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// (only supports software-rendered 2D frames currently)
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if let Some(video) = opt.video {
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ffmpeg::log::set_level(ffmpeg::log::Level::Info);
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ffmpeg::init()?;
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let ffmpeg_comp = FfmpegComponent::new(emu.libretro_core(), video);
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emu.register_component(ffmpeg_comp)?;
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}
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let sdl2_ogl = SimpleSdl2OpenglComponent::new(&mut sdl_context, emu.libretro_core())?;
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emu.register_component(sdl2_ogl)?;
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let sdl2_audio = SimpleSdl2AudioComponent::new(&mut sdl_context, emu.libretro_core())?;
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emu.register_component(sdl2_audio)?;
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emu.register_component(SimpleSdl2GamepadComponent::new(&mut sdl_context))?;
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emu.register_component(SleepFramerateLimitComponent::new())?;
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emu.register_component(PathBufComponent {
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sys_path: opt.system.clone(),
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libretro_path: Some(opt.core.to_path_buf()),
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core_assets_path: None,
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save_path: Some(std::env::temp_dir()),
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})?;
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emu.init()?;
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emu.load_game(&opt.rom)?;
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if let Some(state) = opt.state {
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emu.unserialize_path(state)?;
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}
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let mut frame = 0;
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while let ControlFlow::Continue = emu.run() {
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frame += 1;
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}
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eprintln!("Ran for {} frames.", frame);
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Ok(())
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}
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