game ticks api

src/runner/runner.rs

@@ -130,4 +130,23 @@ impl Runnable<'_>{
 		// No need to schedule the thread here
 		Ok(())
 	}
+	pub fn has_scheduled_threads(&self)->Result<bool,mlua::Error>{
+		scheduler_mut(&self.lua,|scheduler|
+			Ok(scheduler.has_scheduled_threads())
+		)
+	}
+	pub fn game_tick(&self)->Result<(),mlua::Error>{
+		if let Some(threads)=scheduler_mut(&self.lua,|scheduler|Ok(scheduler.tick_threads()))?{
+			for thread in threads{
+				//TODO: return dt and total run time
+				let result=thread.resume::<mlua::MultiValue>((1.0/20.0,0.0))
+					.map_err(|error|Error::Lua{source:"source unavailable".to_owned(),error});
+				match result{
+					Ok(_)=>(),
+					Err(e)=>println!("game_tick Error: {e}"),
+				}
+			}
+		}
+		Ok(())
+	}
 }

src/scheduler.rs

@@ -43,6 +43,9 @@ impl Scheduler{
 	pub const fn tick(&self)->Tick{
 		self.tick
 	}
+	pub fn has_scheduled_threads(&self)->bool{
+		!self.schedule.is_empty()
+	}
 	pub fn schedule_thread(&mut self,delay:u64,thread:mlua::Thread){
 		self.schedule.entry(self.tick+delay.max(1))
 		.or_insert(Vec::new())