Anti drop iteme in mapa

I.Deschidem char_item.cpp (sursa game ):

*Cauta :

bool CHARACTER::DropItem(TItemPos Cell, BYTE bCount)
{
    LPITEM item = NULL;

*Sub add :

switch (GetMapIndex())
    {
    case 1:  // map_a1
    case 3:  // map_a3
    case 21: // map_b1
    case 23: // map_b3
    case 41: // map_c1
    case 43: // map_c3
        {
        ChatPacket(CHAT_TYPE_INFO, "Nu poti arunca iteme pe jos in aceasta mapa..");
        return false;
        }
    default: break;
    }