From fe6e8bcf65843549447cf82e09b8a8a64550664e Mon Sep 17 00:00:00 2001
From: Piotr Siuszko <siuszko@zoho.com>
Date: Fri, 22 Dec 2023 17:40:42 +0100
Subject: [PATCH] Init

---
 .gitignore        |   4 +
 .idea/.gitignore  |   8 ++
 .idea/modules.xml |   8 ++
 .idea/vcs.xml     |   6 +
 Cargo.lock        | 301 ++++++++++++++++++++++++++++++++++++++++++++++
 Cargo.toml        |  11 ++
 src/main.rs       | 104 ++++++++++++++++
 7 files changed, 442 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 .idea/.gitignore
 create mode 100644 .idea/modules.xml
 create mode 100644 .idea/vcs.xml
 create mode 100644 Cargo.lock
 create mode 100644 Cargo.toml
 create mode 100644 src/main.rs

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..4cc2554
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+/target
+/output
+*unitypackage
+/tmp_dir
diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..13566b8
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..704159f
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?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>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..53f4336
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,301 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "adler"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
+
+[[package]]
+name = "anstream"
+version = "0.6.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d664a92ecae85fd0a7392615844904654d1d5f5514837f471ddef4a057aba1b6"
+dependencies = [
+ "anstyle",
+ "anstyle-parse",
+ "anstyle-query",
+ "anstyle-wincon",
+ "colorchoice",
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7079075b41f533b8c61d2a4d073c4676e1f8b249ff94a393b0595db304e0dd87"
+
+[[package]]
+name = "anstyle-parse"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c75ac65da39e5fe5ab759307499ddad880d724eed2f6ce5b5e8a26f4f387928c"
+dependencies = [
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle-query"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e28923312444cdd728e4738b3f9c9cac739500909bb3d3c94b43551b16517648"
+dependencies = [
+ "windows-sys",
+]
+
+[[package]]
+name = "anstyle-wincon"
+version = "3.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1cd54b81ec8d6180e24654d0b371ad22fc3dd083b6ff8ba325b72e00c87660a7"
+dependencies = [
+ "anstyle",
+ "windows-sys",
+]
+
+[[package]]
+name = "bitflags"
+version = "1.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
+
+[[package]]
+name = "bitflags"
+version = "2.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "327762f6e5a765692301e5bb513e0d9fef63be86bbc14528052b1cd3e6f03e07"
+
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
+[[package]]
+name = "clap"
+version = "4.4.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bfaff671f6b22ca62406885ece523383b9b64022e341e53e009a62ebc47a45f2"
+dependencies = [
+ "clap_builder",
+]
+
+[[package]]
+name = "clap_builder"
+version = "4.4.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a216b506622bb1d316cd51328dce24e07bdff4a6128a47c7e7fad11878d5adbb"
+dependencies = [
+ "anstream",
+ "anstyle",
+ "clap_lex",
+ "strsim",
+]
+
+[[package]]
+name = "clap_lex"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "702fc72eb24e5a1e48ce58027a675bc24edd52096d5397d4aea7c6dd9eca0bd1"
+
+[[package]]
+name = "colorchoice"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
+
+[[package]]
+name = "crc32fast"
+version = "1.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b540bd8bc810d3885c6ea91e2018302f68baba2129ab3e88f32389ee9370880d"
+dependencies = [
+ "cfg-if",
+]
+
+[[package]]
+name = "errno"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a258e46cdc063eb8519c00b9fc845fc47bcfca4130e2f08e88665ceda8474245"
+dependencies = [
+ "libc",
+ "windows-sys",
+]
+
+[[package]]
+name = "filetime"
+version = "0.2.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ee447700ac8aa0b2f2bd7bc4462ad686ba06baa6727ac149a2d6277f0d240fd"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "redox_syscall",
+ "windows-sys",
+]
+
+[[package]]
+name = "flate2"
+version = "1.0.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "46303f565772937ffe1d394a4fac6f411c6013172fadde9dcdb1e147a086940e"
+dependencies = [
+ "crc32fast",
+ "miniz_oxide",
+]
+
+[[package]]
+name = "libc"
+version = "0.2.151"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "302d7ab3130588088d277783b1e2d2e10c9e9e4a16dd9050e6ec93fb3e7048f4"
+
+[[package]]
+name = "linux-raw-sys"
+version = "0.4.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c4cd1a83af159aa67994778be9070f0ae1bd732942279cabb14f86f986a21456"
+
+[[package]]
+name = "lwa_unity_unpack"
+version = "0.1.0"
+dependencies = [
+ "clap",
+ "flate2",
+ "tar",
+]
+
+[[package]]
+name = "miniz_oxide"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
+dependencies = [
+ "adler",
+]
+
+[[package]]
+name = "redox_syscall"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4722d768eff46b75989dd134e5c353f0d6296e5aaa3132e776cbdb56be7731aa"
+dependencies = [
+ "bitflags 1.3.2",
+]
+
+[[package]]
+name = "rustix"
+version = "0.38.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72e572a5e8ca657d7366229cdde4bd14c4eb5499a9573d4d366fe1b599daa316"
+dependencies = [
+ "bitflags 2.4.1",
+ "errno",
+ "libc",
+ "linux-raw-sys",
+ "windows-sys",
+]
+
+[[package]]
+name = "strsim"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
+
+[[package]]
+name = "tar"
+version = "0.4.40"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b16afcea1f22891c49a00c751c7b63b2233284064f11a200fc624137c51e2ddb"
+dependencies = [
+ "filetime",
+ "libc",
+ "xattr",
+]
+
+[[package]]
+name = "utf8parse"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
+
+[[package]]
+name = "windows-sys"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
+dependencies = [
+ "windows-targets",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a18201040b24831fbb9e4eb208f8892e1f50a37feb53cc7ff887feb8f50e7cd"
+dependencies = [
+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
+]
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cb7764e35d4db8a7921e09562a0304bf2f93e0a51bfccee0bd0bb0b666b015ea"
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbaa0368d4f1d2aaefc55b6fcfee13f41544ddf36801e793edbbfd7d7df075ef"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a28637cb1fa3560a16915793afb20081aba2c92ee8af57b4d5f28e4b3e7df313"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ffe5e8e31046ce6230cc7215707b816e339ff4d4d67c65dffa206fd0f7aa7b9a"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d6fa32db2bc4a2f5abeacf2b69f7992cd09dca97498da74a151a3132c26befd"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a657e1e9d3f514745a572a6846d3c7aa7dbe1658c056ed9c3344c4109a6949e"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dff9641d1cd4be8d1a070daf9e3773c5f67e78b4d9d42263020c057706765c04"
+
+[[package]]
+name = "xattr"
+version = "1.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a7dae5072fe1f8db8f8d29059189ac175196e410e40ba42d5d4684ae2f750995"
+dependencies = [
+ "libc",
+ "linux-raw-sys",
+ "rustix",
+]
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..90178e9
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,11 @@
+[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"
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..1cc9bdc
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,104 @@
+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();
+}
+
+