fixed writing to support weird unity byte alignment

Author: ByteZ1337

src/command/pack.rs

@@ -66,25 +66,20 @@ fn pack_dat(art_key: &String, input: &PathBuf, output: &PathBuf) -> anyhow::Resu
     let mut assets: Vec<AssetMetadata> = Vec::new();
     let mut asset_bytes: Vec<u8> = Vec::new();
 
-    // let localized_assets = match locale_mode {
-    //     I18nCompatMode::None => Vec::new(),
-    //     _ => find_localized_assets(&args.game).unwrap_or_else(|e| {
-    //         eprintln!("Error while finding localized assets: {}. Disabling localization mode.", e);
-    //         Vec::new()
-    //     }),
-    // };
-
     for file in WalkDir::new(input) {
         let file = file.unwrap();
         if file.file_type().is_dir() {
             continue;
         }
 
         let path = file.path();
-        let name = path.strip_prefix(input)?.to_str()
+        let mut name = path.strip_prefix(input)?.to_str()
             .context("Failed to convert path to string")?
             .to_string();
         let size = path.metadata()?.len() as usize;
+        if !name.starts_with("assets/") {
+            name = format!("assets/{}", name);
+        }
 
         println!("Packing asset: {} ({} bytes)", name, size);
         assets.push(AssetMetadata { name, size });
@@ -110,32 +105,3 @@ fn pack_dat(art_key: &String, input: &PathBuf, output: &PathBuf) -> anyhow::Resu
 
     Ok(())
 }
-
-// fn find_localized_assets(game_dir: &PathBuf) -> anyhow::Result<Vec<String>> {
-//     let english_loc = game_dir
-//         .join("PapersPlease_Data")
-//         .join("StreamingAssets")
-//         .join("loc")
-//         .join("en.zip");
-//
-//     if !english_loc.exists() {
-//         anyhow::bail!("English localization not found at: {}", english_loc.display());
-//     }
-//     let mut assets: Vec<String> = Vec::new();
-//     let zip_handle = File::open(english_loc)?;
-//     let mut zip = ZipArchive::new(zip_handle)?;
-//     for i in 0..zip.len() {
-//         let file = zip.by_index(i)?;
-//         if file.is_dir() {
-//             continue;
-//         }
-//
-//         // TODO: bail or skip?
-//         assets.push(format!("assets/{}", file
-//             .enclosed_name().ok_or_else(|| anyhow::anyhow!("Failed to get zip entry name"))?
-//             .to_str().ok_or_else(|| anyhow::anyhow!("Failed to convert file name to string"))?
-//         ));
-//     }
-//
-//     Ok(assets)
-// }

src/command/patch/assets_patcher.rs

@@ -143,10 +143,6 @@ fn pack_to_assets(temp_dir: &PathBuf, patched: &PathBuf, repack: RepackInfo) ->
     let mut objects = Vec::new();
     let mut current_offset = 0;
     for obj in &assets.content.objects {
-        if current_offset % 4 != 0 {
-            current_offset += 4 - (current_offset % 4);
-        }
-
         let mut new_object = ObjectInfo {
             path_id: obj.path_id,
             byte_start: current_offset,
@@ -159,6 +155,14 @@ fn pack_to_assets(temp_dir: &PathBuf, patched: &PathBuf, repack: RepackInfo) ->
             new_object.byte_size = obj.byte_size;
         }
         current_offset += new_object.byte_size as u64;
+        if current_offset % 8 != 0 {
+            let padding = 8 - (current_offset % 8);
+            if padding > 4 {
+                new_object.byte_size += (padding % 4) as u32;
+            }
+            current_offset += padding;
+        }
+
         objects.push(new_object);
     }
     header.file_size = header.offset_first_file + current_offset;
@@ -179,7 +183,6 @@ fn pack_to_assets(temp_dir: &PathBuf, patched: &PathBuf, repack: RepackInfo) ->
         .context("Failed to open original assets file")?);
     let original_file_offset = &assets.header.offset_first_file;
     for (obj, old_obj) in new_assets.content.objects.iter().zip(assets.content.objects) {
-
         let pos = writer.stream_position()
             .context("Failed to get current position in output file")?;
         if pos != obj.byte_start + original_file_offset {
@@ -208,9 +211,8 @@ fn pack_to_assets(temp_dir: &PathBuf, patched: &PathBuf, repack: RepackInfo) ->
             std::io::copy(&mut art_file, &mut writer)
                 .context("Failed to copy new art file to assets file")?;
         }
-
     }
 
-    println!("Packed objets to: {}", output.display());
+    println!("Packed objects to: {}", output.display());
     Ok(output)
 }