1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
#![feature(array_chunks)]
use anyhow::anyhow;
use std::{
env::args,
fs::{File, create_dir_all},
io::{BufReader, BufWriter, Write},
};
use unity_tools::{
classes::mesh::{Mesh, VertexDataChannel},
object::parser::FromValue,
serialized_file::SerializedFile,
unityfs::UnityFS,
};
fn main() -> anyhow::Result<()> {
env_logger::init_from_env("LOG");
let file = || BufReader::new(File::open(args().nth(1).unwrap()).unwrap());
let mut fs = UnityFS::open(file())?;
// let mut fs2 = UnityFS::open(file())?;
let mut i = 0;
create_dir_all("/tmp/a").unwrap();
let cabfile = fs
.nodes()
.iter()
.find(|n| !n.name.ends_with(".resource") && !n.name.ends_with(".resS"))
.ok_or(anyhow!("no CAB file found"))?
.to_owned();
let mut cab = fs.read(&cabfile)?;
let mut file = SerializedFile::read(&mut cab)?;
for ob in file.objects.clone() {
if file.get_object_type_tree(&ob)?.type_string != "Mesh" {
continue;
}
let value = file.read_object(ob)?;
let mesh = Mesh::from_value(value).unwrap();
let mut obj = BufWriter::new(File::create(format!(
"/tmp/a/{}_{i}.obj",
mesh.name.replace("/", "-").replace(".", "-")
))?);
let (pos_dims, positions) = mesh
.vertex_data
.read_channel(VertexDataChannel::Position)
.unwrap();
assert_eq!(pos_dims, 3);
for [x, y, z] in positions.array_chunks() {
writeln!(obj, "v {x} {y} {z}")?;
}
for [a, b, c] in mesh.read_indecies() {
writeln!(obj, "f {} {} {}", a + 1, b + 1, c + 1)?;
}
i += 1;
}
Ok(())
}
|
