Add per-arena option: display-waves-as-level

If true, this option will cause wave numbers to be displayed as the
players' level to aid in wave tracking. It does NOT replace the
announcements, which can still be disabled by putting blank values
in the announcements-file.

resources/res/settings.yml

@@ -34,3 +34,4 @@ player-time-in-arena: world
 auto-ignite-tnt: false
 auto-start-timer: 0
 use-class-chests: false
+display-waves-as-level: false

src/com/garbagemule/MobArena/MASpawnThread.java

@@ -35,7 +35,7 @@ public class MASpawnThread implements Runnable
     private MonsterManager monsterManager;
 
     private int playerCount, monsterLimit;
-    private boolean waveClear, bossClear, preBossClear;
+    private boolean waveClear, bossClear, preBossClear, wavesAsLevel;
 
     /**
      * Create a new monster spawner for the input arena.
@@ -65,6 +65,7 @@ public class MASpawnThread implements Runnable
         waveClear = arena.getSettings().getBoolean("clear-wave-before-next", false);
         bossClear = arena.getSettings().getBoolean("clear-boss-before-next", false);
         preBossClear = arena.getSettings().getBoolean("clear-wave-before-boss", false);
+        wavesAsLevel = arena.getSettings().getBoolean("display-waves-as-level", false);
     }
 
     public void run() {
@@ -127,6 +128,14 @@ public class MASpawnThread implements Runnable
 
         w.announce(arena, wave);
         
+        // Set the players' level to the wave number
+        if (wavesAsLevel) {
+            for (Player p : arena.getPlayersInArena()) {
+                p.setLevel(wave);
+                p.setExp(0.0f);
+            }
+        }
+
         if (w.getType() == WaveType.UPGRADE) {
             handleUpgradeWave(w);
             return;