*Fix a crash in CORPSE_MAP_POSITION_RESPONSE handler.

--HG--
branch : trunk

src/game/DBCStructure.h

@@ -1152,6 +1152,16 @@ struct MapEntry
             MapID==616 || MapID==595;                       // Eye Of Eternity, The Culling of Stratholme
     }
 
+    bool GetEntrancePos(int32 &mapid, float &x, float &y) const
+    {
+        if(entrance_map < 0)
+            return false;
+        mapid = entrance_map;
+        x = entrance_x;
+        y = entrance_y;
+        return true;
+    }
+
     bool IsContinent() const
     {
         return MapID == 0 || MapID == 1 || MapID == 530 || MapID == 571;

src/game/Map.h

@@ -369,12 +369,7 @@ class TRINITY_DLL_SPEC Map : public GridRefManager<NGridType>, public Trinity::O
         {
             if(!i_mapEntry)
                 return false;
-            if(i_mapEntry->entrance_map < 0)
+            return i_mapEntry->GetEntrancePos(mapid, x, y);
-                return false;
-            mapid = i_mapEntry->entrance_map;
-            x = i_mapEntry->entrance_x;
-            y = i_mapEntry->entrance_y;
-            return true;
         }
 
         void AddObjectToRemoveList(WorldObject *obj);

src/game/QueryHandler.cpp

@@ -471,17 +471,17 @@ void WorldSession::HandleCorpseMapPositionQuery( WorldPacket & recv_data )
 
     WorldPacket data(CMSG_CORPSE_MAP_POSITION_QUERY_RESPONSE, 4+4+4+4);
 
-    Map* map = corpse->GetMap();
-
     float cx, cy, cz;
 
-    if (map->IsDungeon())
+    int32 mapId = corpse->GetMapId();
+    MapEntry const * corpseMapEntry = sMapStore.LookupEntry(mapId);
+    if (corpseMapEntry->IsDungeon())
     {
-        int32 mapId;
         float mx, my;
-        map->GetEntrancePos(mapId, mx, my);
+        bool entranceFound = corpseMapEntry->GetEntrancePos(mapId, mx, my);
+        assert(entranceFound);
 
-        const Map* newMap = MapManager::Instance().CreateBaseMap(mapId);
+        Map const * newMap = MapManager::Instance().CreateBaseMap(mapId);
         uint32 zoneId = newMap->GetZoneId(mx, my, 0);
 
         float _mx = mx;
@@ -494,7 +494,7 @@ void WorldSession::HandleCorpseMapPositionQuery( WorldPacket & recv_data )
 
         cx = x - mx;
         cy = y - my;
-        cz = corpse->GetPositionZ() - map->GetHeight(_mx, _my, MAX_HEIGHT);
+        cz = corpse->GetPositionZ() - newMap->GetHeight(_mx, _my, MAX_HEIGHT);
     }
     else
     {