55 lines
1020 B
Rust
55 lines
1020 B
Rust
//! Marathon Sounds format handling.
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pub mod defs;
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pub mod snds;
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use crate::{bin::Ident, err::*};
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use std::{collections::BTreeMap, io::prelude::*};
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/// Reads all sounds from a Sound file.
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pub fn read(fp: &mut impl Read) -> ResultS<Vec<SoundTable>>
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{
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let mut b = Vec::new();
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fp.read_to_end(&mut b)?;
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read_data! {
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endian: BIG, buf: &b, size: 260, start: 0, data {
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let version = u32[0];
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let magic = Ident[4];
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let src_num = u16[8] usize;
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let snd_num = u16[10] usize;
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}
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}
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if version != 1 || magic != b"snd2" {
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bail!("bad sound header");
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}
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let mut sc = Vec::with_capacity(src_num);
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for i in 0..src_num {
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let p = 260 + i * 64;
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let mut st = SoundTable::new();
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for _ in 0..snd_num {
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if let Some((ofs, idx, mut def)) = defs::read(&b[p..p + 64])? {
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for &ofs in &ofs {
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def.sounds.push(snds::read(&b[ofs..])?);
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}
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st.insert(idx, def);
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}
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}
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sc.push(st);
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}
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Ok(sc)
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}
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/// A table of sound definitions.
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pub type SoundTable = BTreeMap<u16, defs::SoundDef>;
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// EOF
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