Boss Rush PQ Rewarding System + minor patches

Introducing BRPQ rewarding system (KPQ/LPQ clear-like) and patched
issues regarding "no apparent party leader" after party leader
disconnects and reconnects.

scripts/portal/raid_rest.js

@@ -0,0 +1,38 @@
+/*
+	This file is part of the OdinMS Maple Story Server
+    Copyright (C) 2008 Patrick Huy <patrick.huy@frz.cc> 
+                       Matthias Butz <matze@odinms.de>
+                       Jan Christian Meyer <vimes@odinms.de>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License version 3
+    as published by the Free Software Foundation. You may not use, modify
+    or distribute this program under any other version of the
+    GNU Affero General Public License.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/*
+BossRushPQ - Rest Spot portal
+@author Ronan
+*/
+
+function enter(pi) {
+        var evLevel = ((pi.getMapId() - 1) % 5) + 1;
+        
+        if(pi.getPlayer().getEventInstance().giveEventReward(pi.getPlayer(), evLevel)) {
+                pi.warp(970030000);
+                return true;
+        }
+        else {
+                pi.message("You cannot receive an event prize without having an empty room in your EQUIP, USE, SET-UP or ETC inventory.");
+                return false;
+        }
+}

scripts/portal/raid_stage.js

@@ -25,11 +25,11 @@ BossRushPQ - Next Stage
 */
 
 function enter(pi) {
-    if(pi.getMap().getMonsters().size() == 0) {
+    if(pi.getMap().getMonsters().isEmpty()) {
         var nextStage;
         
-        if(pi.getMapId() % 5 == 0) nextStage = pi.getMapId() + 100;
-        else nextStage = 970030001 + (pi.getMapId() - 970030100 / 500);
+        if(pi.getMapId() % 500 != 0) nextStage = pi.getMapId() + 100;
+        else nextStage = 970030001 + ((pi.getMapId() - 970030100) / 500);
         
         pi.warp(nextStage);
         return true;