*Add some distance check functions. By VladimirMangos.

--HG--
branch : trunk

src/game/LootHandler.cpp

@@ -224,7 +224,7 @@ void WorldSession::HandleLootMoneyOpcode( WorldPacket & /*recv_data*/ )
                 Player* playerGroup = itr->getSource();
                 if(!playerGroup)
                     continue;
-                if (player->GetDistance2d(playerGroup) < sWorld.getConfig(CONFIG_GROUP_XP_DISTANCE))
+                if (player->IsWithinDist(playerGroup,sWorld.getConfig(CONFIG_GROUP_XP_DISTANCE),false))
                     playersNear.push_back(playerGroup);
             }