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fix bad compression and make example multithreaded

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This commit is contained in:
spuds 2023-01-14 19:33:54 +00:00
parent 0959394241
commit 7dda23967d
4 changed files with 23 additions and 11 deletions
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BIN
examples/rando_p.pak
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14
examples/subcommands/unpack.rs
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@ -6,12 +6,22 @@ pub fn unpack(path: String, key: String) -> Result<(), unpak::Error> {
.unwrap_or_default(),
);
let mut pak = super::load_pak(path.clone(), key)?;
std::thread::scope(|scope| -> Result<(), unpak::Error> {
for file in pak.files() {
std::fs::create_dir_all(folder.join(&file).parent().expect("will be a file"))?;
match pak.get(&file).expect("file should be in pak") {
Ok(data) => std::fs::write(folder.join(&file), data)?,
Ok(data) => {
scope.spawn(move || -> Result<(), unpak::Error> {
std::fs::create_dir_all(
folder.join(&file).parent().expect("will be a file"),
)?;
println!("{file}");
std::fs::write(folder.join(&file), data)?;
Ok(())
});
}
Err(e) => eprintln!("{e}"),
}
}
Ok(())
})
}

5
examples/unpak.rs
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@ -7,14 +7,13 @@ fn main() {
help()
};
// can't map key to &[u8] because refers to owned data
match match args.next().unwrap_or_default().as_str() {
if let Err(e) = match args.next().unwrap_or_default().as_str() {
"version" => subcommands::version(path, args.next().unwrap_or_default()),
"list" => subcommands::list(path, args.next().unwrap_or_default()),
"unpack" | "" => subcommands::unpack(path, args.next().unwrap_or_default()),
"help" | _ => help(),
} {
Ok(_) => println!("success!"),
Err(e) => eprintln!("{e}"),
eprintln!("{e}")
}
}

5
src/entry.rs
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@ -98,7 +98,10 @@ impl Entry {
io::copy(
&mut <$decompressor>::new(
&data[match version >= Version::RelativeChunkOffsets {
true => block.start as usize..block.end as usize,
true => {
(block.start - (data_offset - self.offset)) as usize
..(block.end - (data_offset - self.offset)) as usize
}
false => {
(block.start - data_offset) as usize
..(block.end - data_offset) as usize