This commit is contained in:
Piotr Siuszko 2023-12-22 17:40:42 +01:00
commit fe6e8bcf65
7 changed files with 442 additions and 0 deletions

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.gitignore vendored Normal file
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/target
/output
*unitypackage
/tmp_dir

8
.idea/.gitignore vendored Normal file
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# Default ignored files
/shelf/
/workspace.xml
# Editor-based HTTP Client requests
/httpRequests/
# Datasource local storage ignored files
/dataSources/
/dataSources.local.xml

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.idea/modules.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectModuleManager">
<modules>
<module fileurl="file://$PROJECT_DIR$/.idea/lwa_unity_unpack.iml" filepath="$PROJECT_DIR$/.idea/lwa_unity_unpack.iml" />
</modules>
</component>
</project>

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.idea/vcs.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="" vcs="Git" />
</component>
</project>

301
Cargo.lock generated Normal file
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11
Cargo.toml Normal file
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[package]
name = "lwa_unity_unpack"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
clap = "4.4"
flate2 = "1.0"
tar = "0.4"

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src/main.rs Normal file
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use std::fs::File;
use std::{fs, io};
use std::path::Path;
use flate2::read::GzDecoder;
use tar::Archive;
use std::collections::HashMap;
use std::ffi::OsStr;
use std::io::prelude::*;
use std::io::BufReader;
use std::process::Command;
pub fn extract_archive(archive_path: &Path, extract_to: &Path) -> io::Result<()> {
let tar_gz = File::open(archive_path)?;
let tar = GzDecoder::new(tar_gz);
let mut archive = Archive::new(tar);
archive.unpack(extract_to)?;
Ok(())
}
fn main() {
let archive_path = Path::new("C:\\PROJECTS\\lwa_unity_unpack\\POLYGON_Snow_Kit_Unity_2020_3_v1_4.unitypackage");
let tmp_dir = Path::new("./tmp_dir");
let output_dir = Path::new("./output");
if tmp_dir.exists() {
println!("Temp directory exits, cleaning up first.");
fs::remove_dir_all(tmp_dir).unwrap();
}
if let Err(e) = extract_archive(archive_path,tmp_dir) {
println!("Failed to extract archive: {}", e);
}
if output_dir.exists() {
println!("Output directory exits, cleaning up first.");
fs::remove_dir_all(output_dir).unwrap();
}
fs::create_dir(output_dir).unwrap();
let mut mapping: HashMap<String, String> = HashMap::new();
for entry in fs::read_dir(tmp_dir).unwrap() {
let entry = entry.unwrap();
let root_file = entry.path();
let asset = entry.file_name().into_string().unwrap();
if root_file.is_dir() {
let mut real_path = String::new();
let mut has_asset = false;
for sub_entry in fs::read_dir(root_file.clone()).unwrap() {
let sub_entry = sub_entry.unwrap();
let file_name = sub_entry.file_name().into_string().unwrap();
if file_name == "pathname" {
let path = sub_entry.path();
let file = File::open(path).unwrap();
let mut buf_reader = BufReader::new(file);
let line = buf_reader.lines().next();
match line {
Some(Ok(path)) => real_path = path,
_ => continue,
}
} else if file_name == "asset" {
has_asset = true;
}
}
if has_asset {
mapping.insert(asset, real_path);
}
}
}
println!("Results:");
for (asset_hash, asset_path) in &mapping {
println!("{}: {}", asset_hash, asset_path);
let path = Path::new(asset_path);
let source_asset = Path::new(tmp_dir).join(asset_hash).join("asset");
let result_path = output_dir.join(path);
let result_dir = result_path.parent().unwrap();
if !result_dir.exists() {
fs::create_dir_all(result_dir).unwrap();
}
if !source_asset.exists() {
panic!("SOURCE ASSET DOES NOT EXIST: {}", source_asset.display());
}
if let Some("fbx") = path.extension().and_then(OsStr::to_str) {
let out_path = result_path.with_extension("");
println!("{:?}",&["--input", source_asset.to_str().unwrap(),"--output",out_path.to_str().unwrap()]);
let output = Command::new("C:\\tools\\FBX2glTF.exe")
.args(&["--input", source_asset.to_str().unwrap(),"-b","--output",out_path.to_str().unwrap()])
.output().unwrap();
let output_result = String::from_utf8_lossy(&output.stdout);
println!("output: {}", output_result);
continue;
}
fs::rename(source_asset,result_path).unwrap();
}
//fs::remove_dir_all(tmp_dir).unwrap();
}