Add support for loading mpq archives from buffers

file-formats/archives/wow-mpq/.cargo/config.toml

@@ -0,0 +1,2 @@
+[target.wasm32-unknown-unknown]
+rustflags = ['--cfg', 'getrandom_backend="wasm_js"']

file-formats/archives/wow-mpq/Cargo.toml

@@ -37,8 +37,8 @@ implode = "0.1.1"
 
 # Data structures and utilities
 bytes = "1.10"
+rand = "0.9"
 byteorder = "1.5"
-rand = { workspace = true }
 tempfile = { workspace = true }
 
 # Parallel processing
@@ -50,6 +50,9 @@ directories = "5.0"
 chrono = "0.4"
 glob = "0.3"
 
+[target.'cfg(feature = "target_wasm32")'.build-dependencies]
+# remove os_rng feature for wasm32-unknown-unknown
+rand = { version = "0.9", default-features = false, features = ["std", "std_rng", "small_rng", "thread_rng"] }
 
 [dev-dependencies]
 criterion = { workspace = true }

file-formats/archives/wow-mpq/src/path.rs

@@ -65,7 +65,7 @@ pub fn normalize_mpq_path(path: &str) -> String {
 /// assert_eq!(mpq_path_to_system("dir\\file.txt"), "dir\\file.txt");
 /// ```
 pub fn mpq_path_to_system(path: &str) -> String {
-    #[cfg(unix)]
+    #[cfg(any(unix, target_arch = "wasm32"))]
     {
         path.replace('\\', "/")
     }

file-formats/archives/wow-mpq/src/test_utils/mod.rs

@@ -19,7 +19,6 @@
 //! The [`wow_data`] module provides utilities for locating World of Warcraft
 //! game data directories across different versions and platforms, making
 //! examples portable and independent of hardcoded paths.
-
 pub mod data_generator;
 pub mod mpq_builder;
 pub mod wow_data;

flake.nix

@@ -0,0 +1,37 @@
+{
+  description = "OpenSCBW";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+    rust-overlay.url = "github:oxalica/rust-overlay";
+    flake-utils.url  = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, rust-overlay, flake-utils, ... }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        overlays = [ (import rust-overlay) ];
+        pkgs = import nixpkgs {
+          inherit system overlays;
+        };
+      in
+      with pkgs;
+      {
+        devShells.default = mkShell {
+          buildInputs = [
+            openssl
+            pkg-config
+            (
+              rust-bin.selectLatestNightlyWith (toolchain: toolchain.default.override {
+                targets = ["wasm32-unknown-unknown"];
+                extensions = [
+                  "rust-src"
+                  "rust-analyzer"
+                ];
+              })
+            )
+          ];
+        };
+      }
+    );
+}