Hashlink bytecode parser and patcher
Download for windows, requires .NET 8.0 runtime.
It also contains 2 example patches for dead cells:
- InfiniteJumps - gives you infinite jumps, requires -r flag
- UnserializerOutput - adds logging to the unserializer, -r flag must not be present
Dead Cells if patched without -r flag will crash soon after steam init due to an unknown deserialization issue, UnserializerOutput patch is aimed to help fix it
Usage: hlpatch [-r | --raw] [-p | --patch <file>]... [-s | --sequential] [-v | --verbose] <input> <output>
-r | --raw Patch unparsed bytecode, will only invoke PatchBytecode and not PatchParsedBytecode in patches
-p | --patch <file> Patch file to be applied, can define multiple, file is the path to the dll
-s | --sequential Do not enable parallelization, will run much slower
-v | --verbose Log every step
<input> Path to the bytecode file to be patched
<output> Path where the resulting patched bytecode will be saved
Example: hlpatch -r --patch patch1.dll -p "./patches here/patch2.dll" bytecode.hl ./output/output.bin
To extract the bytecode from the game automatically you can use N3rdL0rd's script or manually open the game's executable with 7zip and look for HLBOOT.DAT.
If you chose the manual way you'll also need to replace steam_api.dll with the one from Goldberg Emulator and add hl.exe from HashLink 1.10 (other versions might work as well but I'm sure with this one).
Now you can run the game from command line like this hl.exe bytecode.bin
File extensions don't matter
Now to patch the game with infinite jumps:
hlpatch.exe -r -p DeadCellsInfiniteJumps.dll "path/to/deadcells/bytecode.dat" patched.dathl.exe patched.dat