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@ -1,17 +1,18 @@
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use std::collections::HashMap;
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use std::fs::File;
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use std::fs;
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use std::io;
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extern crate nom;
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use nom::{IResult};
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use nom::combinator::verify;
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use nom::multi::count;
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use nom::number::complete::*;
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use nom::sequence::tuple;
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use nom::IResult;
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#[derive(Debug)]
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pub struct BhdHeader {
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pub magic: u32,
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pub unk04: i8, // PC=0, PS3=-1
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pub unk04: i8, // PC=0, PS3=-1
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pub unk05: i8,
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pub unk06: i8,
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pub unk07: i8,
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@ -24,23 +25,28 @@ pub struct BhdHeader {
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const MAGIC: u32 = 0x35444842;
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fn parse_header(i: &[u8]) -> IResult<&[u8], BhdHeader> {
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let (i, (magic, flags, unk08, file_len, num_buckets, ofs_buckets)) =
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tuple((
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verify(le_u32, |m| *m == MAGIC),
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count(le_i8, 4),
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le_u32,
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le_u32,
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le_u32,
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le_u32,
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))(i)?;
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Ok((i, BhdHeader {
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magic,
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unk04: flags[0], unk05: flags[1], unk06: flags[2], unk07: flags[3],
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unk08,
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file_len,
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num_buckets,
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ofs_buckets,
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}))
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let (i, (magic, flags, unk08, file_len, num_buckets, ofs_buckets)) = tuple((
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verify(le_u32, |m| *m == MAGIC),
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count(le_i8, 4),
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le_u32,
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le_u32,
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le_u32,
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le_u32,
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))(i)?;
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Ok((
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i,
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BhdHeader {
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magic,
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unk04: flags[0],
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unk05: flags[1],
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unk06: flags[2],
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unk07: flags[3],
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unk08,
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file_len,
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num_buckets,
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ofs_buckets,
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},
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))
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}
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#[derive(Debug)]
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@ -79,7 +85,7 @@ pub fn parse(i: &[u8]) -> IResult<&[u8], Bhd> {
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let (i, header) = parse_header(i)?;
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let (i, bucket_infos) = count(parse_bucket_info, header.num_buckets as usize)(i)?;
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let mut buckets: Vec<Vec<BhdFile>> = vec!();
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let mut buckets: Vec<Vec<BhdFile>> = vec![];
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for b in 0..header.num_buckets {
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let bucket_info = &bucket_infos[b as usize];
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let bucket_data = &full_file[bucket_info.offset as usize..];
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@ -87,10 +93,23 @@ pub fn parse(i: &[u8]) -> IResult<&[u8], Bhd> {
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buckets.push(bucket);
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}
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Ok((i, Bhd { header, bucket_infos, buckets }))
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Ok((
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i,
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Bhd {
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header,
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bucket_infos,
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buckets,
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},
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))
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}
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/// Extract files from a BHD/BDT pair.
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pub fn extract(bhd: &Bhd, bdt_file: &File, names: &HashMap<String, String>, outputpath: &str) {
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// TODO
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pub fn extract(
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bhd: &Bhd,
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bdt_file: &fs::File,
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names: &HashMap<String, String>,
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outputpath: &str,
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) -> Result<(), io::Error> {
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fs::create_dir(outputpath)?;
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Ok(())
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}
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