src/bin/json.rs


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use std::{
    env::{args, var},
    fs::File,
    io::{BufReader, Seek, SeekFrom, stdout},
};
use unity_tools::{object::read_value, serialized_file::read_serialized_file, unityfs::UnityFS};

fn main() -> anyhow::Result<()> {
    env_logger::init_from_env("LOG");
    let file = BufReader::new(File::open(args().nth(1).unwrap())?);
    let mut fs = UnityFS::open(file)?;
    let filter = args().nth(2);
    let pretty = var("PRETTY").is_ok();

    for node in fs.nodes().to_vec() {
        if node.name.ends_with(".resource") || node.name.ends_with(".resS") {
            continue;
        }
        let mut cab = fs.read(&node)?;
        let file = read_serialized_file(&mut cab)?;
        for ob in file.objects {
            cab.seek(SeekFrom::Start(ob.data_offset))?;
            let typetree = if ob.type_id < 0 {
                unimplemented!()
            } else {
                &file.types[ob.type_id as usize]
            };
            if let Some(typetree) = &typetree.type_tree {
                if let Some(f) = &filter {
                    if typetree.type_string != *f && ob.path_id.to_string() != *f {
                        continue;
                    }
                }
                let value = read_value(typetree, file.endianness, &mut cab)?;
                if pretty {
                    serde_json::to_writer_pretty(stdout(), &value.to_json()).unwrap();
                } else {
                    serde_json::to_writer(stdout(), &value.to_json()).unwrap();
                }
                println!()
            }
        }
    }

    Ok(())
}