Test Rust extension

.github/workflows/build.yml

@@ -16,11 +16,17 @@ jobs:
         build: [macos, windows, linux]
         include:
           - build: linux
+            rustflags: ""
             target-bin: 'cusf_launcher.x86_64'
+            target-triple: x86_64-unknown-linux-gnu
           - build: macos
+            rustflags: ""
             target-bin: 'cusf_launcher.dmg'
+            target-triple: x86_64-apple-darwin
           - build: windows
+            rustflags: "-C linker=/usr/bin/x86_64-w64-mingw32-gcc"
             target-bin: 'cusf_launcher.exe'
+            target-triple: x86_64-pc-windows-gnu
 
     steps:
       - uses: actions/checkout@v3
@@ -34,6 +40,16 @@ jobs:
       - name: Verify Setup
         run: godot --version
 
+      - name: Install latest stable Rust toolchain
+        uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: stable
+          target: ${{ matrix.target-triple }}
+
+      - name: Install mingw-w64
+        run: sudo apt install mingw-w64
+        if: ${{ matrix.target-triple == 'x86_64-pc-windows-gnu' }}
+
       - name: Import certificate to Keychain
         if: ${{ matrix.build == 'macos' }}
         run: |
@@ -61,6 +77,14 @@ jobs:
       - name: Initialize godot cache
         run: python3 .github/scripts/godot_ci_cache.py
 
+      - name: Build rust extensions
+        run: |
+          pushd cusf_launcher_crypto
+          cargo build --release --target ${{ matrix.target-triple }}
+          popd
+        env:
+          RUSTFLAGS: ${{ matrix.rustflags }}
+
       - name: Export build
         run: |
           name="${{fromJSON('{"windows": "Windows", "macos": "Mac", "linux": "Linux"}')[matrix.build] }}"

README.md

@@ -1,21 +1,34 @@
 # cusf_launcher
 
-Requirements:
-Godot v4.3 :
-https://github.com/godotengine/godot/releases/tag/4.3-stable
+## Requirements:
+* Godot v4.3 : https://github.com/godotengine/godot/releases/tag/4.3-stable
+* Rust/Cargo : https://rustup.rs/
 
-Command line build instructions:
+If cross-compiling for Windows, mingw-64 is required.
 
-Linux:
+## Command line build instructions:
 
-`godot --headless --path cusf_launcher/ --export-release "Linux" cusf_launcher.x86_64`
+Linux:
+```
+pushd cusf_launcher_crypto
+cargo build --release --target x86_64-unknown-linux-gnu
+popd
+godot --headless --path cusf_launcher/ --export-release "Linux" cusf_launcher.x86_64
+```
 
 Windows:
-
-`godot --headless --path cusf_launcher/ --export-release "Windows" cusf_launcher.exe`
+```
+pushd cusf_launcher_crypto
+RUSTFLAGS="-C linker=/usr/bin/x86_64-w64-mingw32-gcc" cargo build --release --target x86_64-pc-windows-gnu
+popd
+godot --headless --path cusf_launcher/ --export-release "Windows" cusf_launcher.exe
+```
 
 Mac:
-
-`godot --headless --path cusf_launcher/ --export-release "Mac" cusf_launcher.dmg`
-
+```
+pushd cusf_launcher_crypto
+cargo build --release --target x86_64-apple-darwin
+popd
+godot --headless --path cusf_launcher/ --export-release "Mac" cusf_launcher.dmg`
+```
 

cusf_launcher/CusfLauncherCrypto.gdextension

@@ -0,0 +1,14 @@
+[configuration]
+entry_symbol = "gdext_cusf_launcher_crypto_init"
+compatibility_minimum = 4.1
+reloadable = true
+
+[libraries]
+linux.debug.x86_64 =     "res://../cusf_launcher_crypto/target/x86_64-unknown-linux-gnu/debug/libcusf_launcher_crypto.so"
+linux.release.x86_64 =   "res://../cusf_launcher_crypto/target/x86_64-unknown-linux-gnu/release/libcusf_launcher_crypto.so"
+windows.debug.x86_64 =   "res://../cusf_launcher_crypto/target/x86_64-pc-windows-gnu/debug/cusf_launcher_crypto.dll"
+windows.release.x86_64 = "res://../cusf_launcher_crypto/target/x86_64-pc-windows-gnu/release/cusf_launcher_crypto.dll"
+macos.debug =            "res://../cusf_launcher_crypto/target/x86_64-apple-darwin/debug/libcusf_launcher_crypto.dylib"
+macos.release =          "res://../cusf_launcher_crypto/target/x86_64-apple-darwin/release/libcusf_launcher_crypto.dylib"
+macos.debug.arm64 =      "res://../cusf_launcher_crypto/target/aarch64-apple-darwin/debug/libcusf_launcher_crypto.dylib"
+macos.release.arm64 =    "res://../cusf_launcher_crypto/target/aarch64-apple-darwin/release/libcusf_launcher_crypto.dylib"

cusf_launcher_crypto/.gitignore

@@ -0,0 +1 @@
+/target