xavo95/repak
1
0
Fork 0
mirror of https://github.com/xavo95/repak.git synced 2025-02-22 15:53:45 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Increase compression block size

Browse source
This commit is contained in:
Truman Kilen 2025-01-30 19:29:44 -06:00
parent aaa16b7800
commit 71d0664474
2 changed files with 6 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
repak/src/data.rs
View file

@ -153,7 +153,7 @@ where
Some(compression) => { Some(compression) => {
// https://github.com/EpicGames/UnrealEngine/commit/3aad0ff7976be1073005dca2c1282af548b45d89 // https://github.com/EpicGames/UnrealEngine/commit/3aad0ff7976be1073005dca2c1282af548b45d89
// Block size must fit into flags field or it may cause unreadable paks for earlier Unreal Engine versions // Block size must fit into flags field or it may cause unreadable paks for earlier Unreal Engine versions
compression_block_size = 0x10000; compression_block_size = 0x3e << 11; // max possible block size
let mut compressed_size = 0; let mut compressed_size = 0;
let mut blocks = vec![]; let mut blocks = vec![];
for chunk in data.as_ref().chunks(compression_block_size as usize) { for chunk in data.as_ref().chunks(compression_block_size as usize) {

5
repak/src/entry.rs
View file

@ -282,6 +282,11 @@ impl Entry {
let is_uncompressed_size_32_bit_safe = self.uncompressed <= u32::MAX as u64; let is_uncompressed_size_32_bit_safe = self.uncompressed <= u32::MAX as u64;
let is_offset_32_bit_safe = self.offset <= u32::MAX as u64; let is_offset_32_bit_safe = self.offset <= u32::MAX as u64;
assert!(
compression_blocks_count < 0x10_000,
"compression blocks count fits in 16 bits"
);
let flags = (compression_block_size) let flags = (compression_block_size)
| (compression_blocks_count << 6) | (compression_blocks_count << 6)
| ((self.is_encrypted() as u32) << 22) | ((self.is_encrypted() as u32) << 22)