76 

    77 private:

    78 	int32 Valuate(int32 tile) const;

    79 };

    80 

    81 /**

    82  * Check the height of the tiles in an AITileList instance.

    83  * @note resulting items are of the type int32 (height, ranging from 0 to 15)

    84  * @note the input items are of the type TileIndex

    85  */

    86 class AITileListHeight : public AIAbstractList::Valuator {

    87 public:

    88 	/**

    89 	 * The name of the class, needed by several sub-processes.

    90 	 */

    91 	static const char *GetClassName() { return "AITileListHeight"; }