Resolve "Beep on button for audio sync"

Closes #94 (closed)

overcooked_simulator/gui_2d_vis/overcooked_gui.py

 import argparse
 import dataclasses
-import glob
 import json
 import logging
 import random
@@ -14,6 +13,7 @@ import numpy as np
 import pygame
 import pygame_gui
 import requests
+import simpleaudio
 import yaml
 from websockets.sync.client import connect
 
@@ -155,6 +155,8 @@ class PyGameGUI:
 
         self.sub_processes = []
 
+        self.beeped_once = False
+
     def get_window_sizes_from_state(self, state: dict):
         self.kitchen_width = state["kitchen"]["width"]
         self.kitchen_height = state["kitchen"]["height"]
@@ -382,7 +384,12 @@ class PyGameGUI:
 
         self.layout_file_paths = {
             str(p.name): p
-            for p in [Path(f) for f in sorted((ROOT_DIR / "game_content" / "layouts").rglob("*.layout"))]
+            for p in [
+                Path(f)
+                for f in sorted(
+                    (ROOT_DIR / "game_content" / "layouts").rglob("*.layout")
+                )
+            ]
         }
 
         assert len(self.layout_file_paths) != 0, "No layout files."
@@ -1016,6 +1023,13 @@ class PyGameGUI:
         for websocket in self.websockets.values():
             websocket.close()
 
+    def play_bell_sound(self):
+        wave_obj = simpleaudio.WaveObject.from_wave_file(
+            str(ROOT_DIR / "gui_2d_vis" / "sync_bell_project.wav")
+        )
+        wave_obj.play()
+        log.log(logging.INFO, "Started game, played bell sound")
+
     def start_pygame(self):
         """Starts pygame and the gui loop. Each frame the game state is visualized and keyboard inputs are read."""
         log.debug(f"Starting pygame gui at {self.FPS} fps")
@@ -1143,6 +1157,10 @@ class PyGameGUI:
                     case MenuStates.Game:
                         state = self.request_state()
 
+                        if not self.beeped_once and state["play_beep"]:
+                            self.beeped_once = True
+                            self.play_bell_sound()
+
                         self.handle_keys()
 
                         if state["ended"]: