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Implement BinWrite for BlockHeader

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This commit is contained in:
Joshua Goins 2024-06-29 12:37:14 -04:00
parent 30ed0180ce
commit ee5a484730
1 changed files with 6 additions and 4 deletions
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10
src/dat.rs
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@ -162,21 +162,23 @@ pub enum CompressionMode {
},
}
#[binrw::binread]
#[binrw]
#[derive(Debug)]
#[br(little)]
#[brw(little)]
pub struct BlockHeader {
#[br(pad_after = 4)]
#[brw(pad_after = 4)]
pub size: u32,
#[br(temp)]
#[bw(calc = match compression { CompressionMode::Compressed{ compressed_length, .. } => { *compressed_length } CompressionMode::Uncompressed{ .. } => { 32000 }})]
x: i32,
#[br(temp)]
#[bw(calc = match compression { CompressionMode::Compressed{ decompressed_length, .. } => { *decompressed_length } CompressionMode::Uncompressed{ file_size } => { *file_size }})]
y: i32,
#[br(args { x, y })]
#[br(restore_position)]
#[brw(restore_position)]
pub compression: CompressionMode,
}