874 	if (flags & DC_QUERY_COST) return value;

   874 	if (flags & DC_QUERY_COST) return value;

   875 

   875 

   876 	/* The ai_new queries the vehicle cost before building the route,

   876 	/* The ai_new queries the vehicle cost before building the route,

   877 	 * so we must check against cheaters no sooner than now. --pasky */

   877 	 * so we must check against cheaters no sooner than now. --pasky */

   878 	if (!IsTileDepotType(tile, TRANSPORT_WATER)) return CMD_ERROR;

   878 	if (!IsTileDepotType(tile, TRANSPORT_WATER)) return CMD_ERROR;

   880 

   880 

   881 	v = AllocateVehicle();

   881 	v = AllocateVehicle();

   882 	if (v == NULL || IsOrderPoolFull() ||

   882 	if (v == NULL || IsOrderPoolFull() ||

   883 			(unit_num = GetFreeUnitNumber(VEH_Ship)) > _patches.max_ships)

   883 			(unit_num = GetFreeUnitNumber(VEH_Ship)) > _patches.max_ships)

   884 		return_cmd_error(STR_00E1_TOO_MANY_VEHICLES_IN_GAME);

   884 		return_cmd_error(STR_00E1_TOO_MANY_VEHICLES_IN_GAME);