//! Dump one BGM bank's waves as RIFF/XMA so they can be decoded and compared
//! against a capture of the running game.
//!
//!     cargo run -p sylpheed-formats --example bgm_dump -- BGM_103.slb OUTDIR
use sylpheed_formats::media::{self, DirectorySource};
use sylpheed_formats::slb;

fn main() {
    let name = std::env::args().nth(1).unwrap_or_else(|| "BGM_103.slb".into());
    let out = std::env::args().nth(2).expect("OUTDIR");
    let disc = std::env::var("SYLPHEED_DISC").expect("SYLPHEED_DISC");
    let src = DirectorySource::new(std::path::PathBuf::from(&disc));
    std::fs::create_dir_all(&out).expect("outdir");
    let h = sylpheed_formats::hash::name_hash(&name);
    let bytes = media::read_sound_bank(&src, h).expect("bank");
    println!("{name}: {} B", bytes.len());
    for (i, r) in slb::to_xma_riffs(&bytes).iter().enumerate() {
        let p = format!("{out}/{}_{i}.xma", name.trim_end_matches(".slb"));
        std::fs::write(&p, r).expect("write");
        println!("  wave {i}: {} B (byte_size {}) -> {p}", r.len(), r.len() - 60);
    }
}