48 uint GetMapExtraBits(TileIndex tile);

    48 uint GetMapExtraBits(TileIndex tile);

    49 

    49 

    50 uint GetTileh(uint n, uint w, uint e, uint s, uint *h);

    50 uint GetTileh(uint n, uint w, uint e, uint s, uint *h);

    51 uint GetTileSlope(TileIndex tile, uint *h);

    51 uint GetTileSlope(TileIndex tile, uint *h);

    52 uint GetTileZ(TileIndex tile);

    52 uint GetTileZ(TileIndex tile);

    53 

    54 

    54 static inline bool CorrectZ(uint tileh)

    55 static inline bool CorrectZ(uint tileh)

    55 {

    56 {

    56 	/* tile height must be corrected if the north corner is not raised, but

    57 	/* tile height must be corrected if the north corner is not raised, but

    57 	 * any other corner is. These are the cases 1 till 7 */

    58 	 * any other corner is. These are the cases 1 till 7 */