train horn at the beginning of the game

src/main/java/ch/unibas/dmi/dbis/cs108/gamelogic/Game.java

@@ -122,6 +122,10 @@ public class Game implements Runnable {
 
     LOGGER.info(gameState.toGhostString());
     for (ClientHandler client : lobbyClients) {//begins filling the train with clients
+
+      //send train horn sound to client:
+      client.sendMsgToClient(Protocol.playSound + "$" + "TH");
+
       int index = order[i];
       if (passengerTrain[index].getIsGhost()) { //if there is a ghost
         GhostPlayer ghostPlayer = new GhostPlayer(passengerTrain[index].getPosition(),

src/main/java/ch/unibas/dmi/dbis/cs108/multiplayer/client/JClientProtocolParser.java

@@ -105,9 +105,13 @@ public class JClientProtocolParser {
           case "HV":
             Sound.voteforhuman();
             break;
+          case "TH":
+            Sound.trainhorn();
+            break;
           default:
             LOGGER.warn("Invalid sound request");
         }
+        break;
       default:
         System.out.println("Received unknown command: " + msg);
     }

src/main/java/ch/unibas/dmi/dbis/cs108/multiplayer/client/Sound.java

@@ -17,6 +17,9 @@ public class Sound {
   static URL bellURL = Sound.class.getResource("sounds/bell.wav");
   static AudioClip bell = new AudioClip(bellURL.toString());
 
+  static URL trainhornURL = Sound.class.getResource("sounds/trainhorn.wav");
+  static AudioClip trainhorn = new AudioClip(trainhornURL.toString());
+
   static URL daynoisesURL = Sound.class.getResource("sounds/daynoises.wav");
   static AudioClip daynoises = new AudioClip(daynoisesURL.toString());
 
@@ -103,6 +106,8 @@ public class Sound {
     bell.play(defaultvolume - 0.5);
   }
 
+  public static void trainhorn() {trainhorn.play(defaultvolume); }
+
   public static void startDaynoises() {
     daynoises.setCycleCount(AudioClip.INDEFINITE);
     daynoises.play(defaultvolume - 0.5);

src/main/java/ch/unibas/dmi/dbis/cs108/multiplayer/helpers/Protocol.java

@@ -215,7 +215,7 @@ public class Protocol {
   /**
    * Used to tell the client to play a sound, namely the sounds for when humans have voted for a human (PLSND$HV),
    * when humans have voted for a ghost (PLSND$GV), when humans have won (i.e. have voted for the OG - PLSND$HW)
-   * or when ghosts have won (PLSND$GW)
+   * or when ghosts have won (PLSND$GW), or the train horn at the start of the game (PLSND$TH). Not used for ghost sounds.
    */
   public static final String playSound = "PLSND";