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This project is a WAD library/manager, it can be used as a base for other WAD projects like a GUI, a CLI, etc..
I have played around with some well known IWAD like doom.wad and doom2.wad (registered).
To test the IWAD/PWAD generated, I have used two engines:
(tests + screenshots)
(tests + preview in multiple contexts)
Some use cases you could use in a DOOM modding context.
use tinywad::error::WadError;
use tinywad::models::operation::WadOp;
use tinywad::wad::Wad;
fn main() -> Result<(), WadError> {
let mut doom_2 = Wad::new();
doom_2.load_from_file("wads/doom2.wad")?;
let gate = doom_2.lump("GATE3").unwrap();
let mut doom_1 = Wad::new();
doom_1.load_from_file("doom1.wad")?;
doom_1.select("^FLAT|FLOOR");
doom_1.update_lumps_raw(&gate.data().buffer);
doom_1.save("doom1.wad");
Ok(())
}
So basically (above) it loads a first IWAD file, in our case it is doom2.wad. It borrows a lump (GATE3) into the variable gate, then we load a second IWAD which is doom1.wad, it selects desired lumps, then it update the selected lumps in DOOM1 and finally overwrite the file.
use std::fs;
use tinywad::dir::MAX_PAL;
use tinywad::error::WadError;
use tinywad::models::operation::WadOp;
use tinywad::wad::Wad;
fn main() -> Result<(), WadError> {
let mut doom_2 = Wad::new();
doom_2.load_from_file("wads/doom2.wad")?;
for pal in 0..MAX_PAL {
doom_2.set_palette(pal);
doom_2.reload()?;
doom_2.select("^BOSF");
let dirpath = format!("doom2/pal_{}", pal);
fs::create_dir_all(dirpath.clone()).unwrap();
doom_2.save_lumps(dirpath);
}
Ok(())
}
In this part of code, it extracts as PNG the selected lumps with different palettes (13).
use tinywad::error::WadError;
use tinywad::models::operation::WadOp;
use tinywad::wad::Wad;
fn main() -> Result<(), WadError> {
let mut src = Wad::new();
src.load_from_file("wads/hexen.wad")?;
src.dump();
Ok(())
}
Name: XXTIC, Size: 8, Offset: 12 Name: STARTUP, Size: 153648, Offset: 20 Name: PLAYPAL, Size: 21504, Offset: 153668, Palettes amount: 28 Name: COLORMAP, Size: 8704, Offset: 175172 Name: FOGMAP, Size: 8704, Offset: 183876 Name: TINTTAB, Size: 65536, Offset: 192580 Name: TRANTBL0, Size: 256, Offset: 258116 Name: TRANTBL1, Size: 256, Offset: 258372 Name: TRANTBL2, Size: 256, Offset: 258628 ...
use tinywad::error::WadError;
use tinywad::lump::{LumpAdd, LumpAddKind};
use tinywad::models::operation::WadOp;
use tinywad::wad::{Wad, WadKind,};
fn main() -> Result<(), WadError> {
let mut src = Wad::new();
let lump_names = [
"FLOOR0_1", "FLOOR0_3", "FLOOR0_6",
"FLOOR1_1", "FLOOR1_7", "FLOOR3_3",
"FLOOR4_1", "FLOOR4_5", "FLOOR4_6",
"FLOOR4_8", "FLOOR5_1", "FLOOR5_2",
"FLOOR5_3", "FLOOR5_4", "FLOOR6_1",
"FLOOR6_2", "FLOOR7_1", "FLOOR7_2",
];
src.load_from_file("doom.wad")?;
let gate = src.lump("FLOOR6_1").unwrap();
let mut dest = Wad::new();
dest.set_kind(WadKind::Pwad);
dest.add_lump_raw(
LumpAdd::new(
LumpAddKind::Back,
&vec![],
"FF_START",
)
)?;
for lump_name in lump_names {
dest.add_lump_raw(
LumpAdd::new(
LumpAddKind::Back,
&gate.data().buffer,
lump_name,
)
)?;
}
dest.add_lump_raw(
LumpAdd::new(
LumpAddKind::Back,
&vec![],
"F_END",
)
)?;
dest.save("doom1_patch.wad");
Ok(())
}
To take the screenshot (below) doom1_patch.wad has been injected into GZDOOM with the IWAD doom.wad (registered).
Extracting every musics from the IWAD doom.wad.
use tinywad::error::WadError;
use tinywad::models::operation::WadOp;
use tinywad::wad::{Wad};
fn main() -> Result<(), WadError> {
let mut src = Wad::new();
src.load_from_file("doom.wad")?;
src.select("D_");
src.save_lumps(".");
Ok(())
}
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