bitsquid_dt/dtmt
bitsquid_dt/dtmt
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Darktide Mod Manager #39

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lucas merged 91 commits from feat/dtmm into master 2023-03-01 22:27:42 +01:00
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1 changed files with 11 additions and 6 deletions
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Showing only changes of commit cb9f154f1e - Show all commits

17
lib/sdk/src/filetype/lua.rs
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@ -1,10 +1,12 @@
use std::ffi::CStr; use std::ffi::CStr;
use std::io::Cursor; use std::io::Cursor;
use std::io::Write;
use color_eyre::eyre; use color_eyre::eyre;
use color_eyre::Result; use color_eyre::Result;
use luajit2_sys as lua; use luajit2_sys as lua;
use crate::binary::sync::WriteExt;
use crate::bundle::file::{BundleFileVariant, UserFile}; use crate::bundle::file::{BundleFileVariant, UserFile};
use crate::{BundleFile, BundleFileType}; use crate::{BundleFile, BundleFileType};
@ -83,16 +85,19 @@ where
} }
}; };
// TODO: How are these twelve bytes generated? let mut data = Cursor::new(Vec::with_capacity(bytecode.len() + 12));
let mut data = vec![0x0; 12]; data.write_u32(bytecode.len() as u32)?;
// Set Fatshark's custom LuaJIT magic bytes // TODO: Figure out what these two values are
data.extend_from_slice(&[0x1b, 0x46, 0x53, 0x82]); data.write_u32(0x2)?;
data.extend_from_slice(&bytecode[4..]); data.write_u32(0x0)?;
// Use Fatshark's custom magic bytes
data.write_all(&[0x1b, 0x46, 0x53, 0x82])?;
data.write_all(&bytecode[4..])?;
let mut file = BundleFile::new(name, BundleFileType::Lua); let mut file = BundleFile::new(name, BundleFileType::Lua);
let mut variant = BundleFileVariant::new(); let mut variant = BundleFileVariant::new();
variant.set_data(data); variant.set_data(data.into_inner());
file.add_variant(variant); file.add_variant(variant);
Ok(file) Ok(file)