Savior Commit

Fixed some bugs regarding dojo, updated drop data, minor tweaks on
Mystic Doors, added expeditions for Showa Manor, Zakum and Pink Bean,
smart search for item slots on quest/npc rewarding system, attempt on
boss HPbar to focus on player's current target, quests with selectable
rewards now hands the item correctly, after the first PQ instance next
ones are loaded more smoothly.

scripts/portal/s4tornado_enter.js

@@ -25,8 +25,17 @@
  */
 function enter(pi) {
     if(pi.isQuestStarted(6230) || pi.haveItem(4001110)) {
-        pi.warp(922020200, 1);
-        return true;
+        if(pi.getWarpMap(922020200).countPlayers() == 0) {
+            pi.resetMapObjects(922020200);
+            pi.warp(922020200, 0);
+            
+            return true;
+        } else {
+            pi.getPlayer().message("Some other player is currently inside.");
+            return false;
+        }
     }
+    
+    pi.getPlayer().message("A mysterious force won't let you in.");
     return false;
 }