0.1.0-0-pre.7

crates/apps/game-android-entrypoint/src/lib.rs

@@ -0,0 +1,53 @@
+// file: crates/apps/game-android-entrypoint/src/lib.rs
+// version: 1
+
+#![warn(missing_docs)]
+#![deny(unreachable_pub)]
+#![allow(unsafe_code)]
+
+//! Minimal SDL3 Android entry point.
+//!
+//! This crate is the only normalized Rust FFI export exception in the current workspace.
+//! It uses one unsafe export attribute to expose `SDL_main` to `SDLActivity`; it contains no unsafe block and no unsafe function.
+
+#[cfg(test)]
+#[path = "../unit_tests/selection.rs"]
+mod tests;
+
+#[unsafe(export_name = "SDL_main")]
+extern "C" fn sdl_main(_argc: core::ffi::c_int, _argv: *mut *mut core::ffi::c_char) -> core::ffi::c_int {
+    return run_selected_game();
+}
+
+#[cfg(feature = "reflex")]
+fn run_selected_game() -> core::ffi::c_int {
+    let runtime = engine_v1_sdl::SdlRuntime::new("Reflex POC", 405, 720, std::time::Duration::from_millis(16));
+    let mut game = game_reflex_poc::ReflexState::new();
+    return run_game(&runtime, &mut game);
+}
+
+#[cfg(all(not(feature = "reflex"), feature = "snake"))]
+fn run_selected_game() -> core::ffi::c_int {
+    let runtime = engine_v1_sdl::SdlRuntime::new("Snake POC", 405, 720, std::time::Duration::from_millis(16));
+    let mut game = game_snake_poc::SnakeState::new();
+    return run_game(&runtime, &mut game);
+}
+
+#[cfg(not(any(feature = "reflex", feature = "snake")))]
+fn run_selected_game() -> core::ffi::c_int {
+    return 2;
+}
+
+#[cfg(any(feature = "reflex", feature = "snake"))]
+fn run_game<G>(runtime: &engine_v1_sdl::SdlRuntime, game: &mut G) -> core::ffi::c_int
+where
+    G: engine_v1_common::EngineGame,
+{
+    match runtime.run(game) {
+        std::result::Result::Ok(()) => return 0,
+        std::result::Result::Err(error) => {
+            eprintln!("Android SDL3 runtime error: {error}");
+            return 1;
+        },
+    }
+}