BETA: NPE Fixes thanks Starter for report.

L2J_Server_BETA/java/com/l2jserver/gameserver/instancemanager/TownManager.java

@@ -66,8 +66,7 @@ public class TownManager
 	
 	public final static boolean townHasCastleInSiege(int x, int y)
 	{
-		int curtown = MapRegionManager.getInstance().getMapRegion(x, y).getLocId();
-		return townHasCastleInSiege(curtown);
+		return townHasCastleInSiege(MapRegionManager.getInstance().getMapRegionLocId(x, y));
 	}
 	
 	public final static L2TownZone getTown(int townId)

L2J_Server_BETA/java/com/l2jserver/gameserver/model/actor/instance/L2AuctioneerInstance.java

@@ -637,7 +637,7 @@ public final class L2AuctioneerInstance extends L2Npc
 	
 	private String getPictureName(L2PcInstance plyr)
 	{
-		int nearestTownId = MapRegionManager.getInstance().getMapRegion(plyr).getLocId();
+		int nearestTownId = MapRegionManager.getInstance().getMapRegionLocId(plyr);
 		String nearestTown;
 		
 		switch (nearestTownId)

L2J_Server_BETA/java/com/l2jserver/gameserver/model/entity/clanhall/ClanHallSiegeEngine.java

@@ -478,11 +478,11 @@ public abstract class ClanHallSiegeEngine extends Quest implements Siegable
 	public final void broadcastNpcSay(final L2Npc npc, final int type, final int messageId)
 	{
 		final NpcSay npcSay = new NpcSay(npc.getObjectId(), type, npc.getNpcId(), NpcStringId.getNpcStringId(messageId));
-		int sourceRegion = MapRegionManager.getInstance().getMapRegion(npc.getX(), npc.getY()).getLocId();
+		int sourceRegion = MapRegionManager.getInstance().getMapRegionLocId(npc);
 		final L2PcInstance[] charsInside = L2World.getInstance().getAllPlayersArray();
 		
 		for(L2PcInstance pc : charsInside)
-			if(pc != null && MapRegionManager.getInstance().getMapRegion(pc.getX(), pc.getY()).getLocId() == sourceRegion)
+			if(pc != null && MapRegionManager.getInstance().getMapRegionLocId(pc) == sourceRegion)
 				pc.sendPacket(npcSay);
 	}