implement quest support

.cargo/config.toml

@@ -0,0 +1,2 @@
+[target.aarch64-linux-android.openxr_loader]
+rustc-link-search = ["runtime_libs/arm64-v8a"]

.github/workflows/cd_android_gh-pages.yml

@@ -0,0 +1,33 @@
+name: deploy android/quest apk to gh-pages
+on:
+  workflow_run:
+    branches: [main]
+    workflows: [CI]
+    types: [completed]
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v4
+      - name: Cache
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.cargo/bin/
+            ~/.cargo/registry/index/
+            ~/.cargo/registry/cache/
+            ~/.cargo/git/db/
+            target/
+          key: ${{ runner.os }}-android
+
+      - run: mkdir dist
+      - run: cp target/x/release/android/osmeta.apk dist/osmeta.apk
+
+      - uses: peaceiris/actions-gh-pages@v3
+        if: github.ref == 'refs/heads/main'
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./dist
+          keep_files: true

.github/workflows/ci.yml

@@ -77,3 +77,33 @@ jobs:
         run: rustup component add rustfmt
       - name: Run cargo fmt
         run: cargo fmt --all -- --check
+
+  android:
+    runs-on: ubuntu-latest
+    timeout-minutes: 40
+    steps:
+      - name: Install Dependencies
+        run: sudo apt-get update; sudo apt-get install pkg-config libx11-dev libasound2-dev libudev-dev lld llvm
+      - uses: actions/checkout@v4
+      - run: git submodule update --init
+      - name: Cache
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.cargo/bin/
+            ~/.cargo/registry/index/
+            ~/.cargo/registry/cache/
+            ~/.cargo/git/db/
+            target/
+          key: ${{ runner.os }}-android
+      - uses: dtolnay/rust-toolchain@stable
+      - name: Add Android targets
+        run: rustup target add aarch64-linux-android armv7-linux-androideabi
+      - name: Install cargo-binstall
+        run: curl -L --proto '=https' --tlsv1.2 -sSf https://raw.githubusercontent.com/cargo-bins/cargo-binstall/main/install-from-binstall-release.sh | bash
+      - name: Install xbuild
+        run: cargo binstall --git https://github.com/NiklasEi/xbuild --bin-dir x xbuild -y
+      - name: show deps
+        run: x doctor
+      - name: Build app bundle
+        run: x build --release --platform android --format apk --arch arm64

.gitmodules

@@ -0,0 +1,4 @@
+[submodule "runtime_libs"]
+	path = runtime_libs
+	url = https://github.com/DerKarlos/OSMeta.git
+	branch = binaries

CONTRIBUTING.md

@@ -0,0 +1,13 @@
+## Build for android
+
+On windows hosts, install `llvm` (contains `clang`) from https://github.com/llvm/llvm-project/releases/
+
+```
+cargo install --git https://github.com/NiklasEi/xbuild
+```
+
+run `x doctor` to see what else you need to install for android, then run
+
+```
+x build --release --platform android --format apk --arch arm64
+```

Cargo.toml

@@ -2,7 +2,8 @@
 name = "osmeta"   # OSMeta ???  `#[warn(non_snake_case)]` on by default
 version = "0.1.0"
 edition = "2021"
-
+links="openxr_loader"
+build="build.rs"
 
 # Enable a small amount of optimization in debug mode
 [profile.dev]
@@ -36,3 +37,10 @@ default = ["xr"]
 # path = "examples/test.rs"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+
+# we need to split our crate into a lib and a binary, because android targets don't want a binary.
+# our binary is now just a tiny dummy thing that invokes the library's main function.
+[lib]
+name = "osmeta"
+crate-type = ["staticlib", "cdylib", "lib"]

build.rs

@@ -0,0 +1,3 @@
+fn main() {
+    println!("cargo:rerun-if-changed=build.rs");
+}

manifest.yaml

@@ -0,0 +1,27 @@
+android:
+  runtime_libs:
+    - "runtime_libs"
+  manifest:
+    package: "osm.eta.app"
+    application:
+      label: "OSMeta"
+      theme: "@android:style/Theme.DeviceDefault.NoActionBar.Fullscreen"
+      meta_data:
+        - name: "com.oculus.intent.category.VR"
+          value: "vr_only"
+        - name: "com.samsung.android.vr.application.mode"
+          value: "vr_only"
+        - name: "com.oculus.supportedDevices"
+          value: "quest|quest2|quest3|questpro"
+      activities:
+        - config_changes: "density|keyboard|keyboardHidden|navigation|orientation|screenLayout|screenSize|uiMode"
+          launch_mode: "singleTask"
+          orientation: "landscape"
+          intent_filters:
+            - actions:
+                - "android.intent.action.MAIN"
+              categories:
+                - "com.oculus.intent.category.VR"
+                - "android.intent.category.LAUNCHER"
+    sdk:
+      target_sdk_version: 32

src/bin/demo.rs

@@ -0,0 +1,3 @@
+fn main() {
+    osmeta::main();
+}

src/main.rs → src/lib.rs

@@ -17,7 +17,8 @@ mod tilemap;
 #[cfg(feature = "xr")]
 mod xr;
 
-fn main() {
+#[bevy_main]
+pub fn main() {
     let mut app = App::new();
     if std::env::args().any(|arg| arg == "xr") {
         #[cfg(feature = "xr")]