Added in-code documentation for client & server protocol parsers.

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

@@ -17,15 +17,20 @@ public class JClientProtocolParser {
     } catch (IndexOutOfBoundsException e) {
       System.out.println("Received unknown command");
     }
-    //System.out.println(header);     helpful for debugging
     switch (header) {
       case "SPING":
+        //sends a pingback to the server
         c.sendMsgToServer("PINGB");
         break;
       case "PINGB":
+        //registers pingback from server
         c.clientPinger.setGotPingBack(true);
         break;
       case "CHATM":
+        /* prints out incoming chat messages / announcements into the user's console.
+         * any string that follows CHATM$ is printed as is, so the message that follows
+         * already has to be formatted the way it should be shown to the client.
+         */
         System.out.println(msg.substring(6));
         break;
       default:

src/main/java/ch/unibas/dmi/dbis/cs108/multiplayer/server/JServerProtocolParser.java

@@ -16,21 +16,26 @@ public class JServerProtocolParser {
     } catch (IndexOutOfBoundsException e) {
       System.out.println("Received unknown command");
     }
-    //System.out.println(header);     //helpful for debugging
     switch (header) {
       case "CHATA":
+        //sends chat message to all connected clients
         h.broadcastMessage(msg.substring(6));
         break;
       case "NAMEC":
+        //changes name to whatever follows NAMEC$. If the new name is already in use, it will append
+        //random numbers to the name.
         h.changeUsername(msg.substring(6));
         break;
       case "CPING":
+        //sends a pingback to the client
         h.sendMsgToClient("PINGB");
         break;
       case "PINGB":
+        //registers pingback from client
         h.serverPinger.setGotPingBack(true);
         break;
       case "QUITS":
+        //safely disconnects the user
         h.closeEverything(h.getSocket(), h.getIn(), h.getOut());
         break;
       default: