Allow building Bedrock programs as standalone executables

This commit adds a run_program() function to the root of the library.
Any Bedrock program can be compiled as a standalone native executable
by creating a thin Rust program that calls only that function, passing
in the bytecode of the program and a configuration object.

1 files changed, 22 insertions, 0 deletions

diff --git a/src/lib.rs b/src/lib.rs
index f260042..20e4e4e 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -29,3 +29,25 @@ pub const DEFAULT_SCREEN_SCALE: NonZeroU32 = unsafe { NonZeroU32::new_unchecked(
 
 pub type ScreenPosition = geometry::Point<u16>;
 pub type ScreenDimensions = geometry::Dimensions<u16>;
+
+
+pub fn run_program(bytecode: &[u8], config: EmulatorConfig) {
+    let mut args = switchboard::Switchboard::from_env();
+    args.named("verbose").short('v');
+    if args.get("verbose").as_bool() {
+        log::set_log_level(log::LogLevel::Info);
+    }
+
+    match Phosphor::new() {
+        Ok(phosphor) => {
+            info!("Starting graphical emulator");
+            let mut emulator = GraphicalEmulator::new(config, false);
+            emulator.load_program(&bytecode);
+            emulator.run(phosphor, true);
+        }
+        Err(err) => {
+            eprintln!("EventLoopError: {err:?}");
+            fatal!("Could not start graphical event loop");
+        }
+    }
+}