1 /* $Id$ */

     2 

     3 /** @file tile_type.h Types related to tiles. */

     4 

     5 #ifndef TILE_TYPE_H

     6 #define TILE_TYPE_H

     7 

     8 #include "core/enum_type.hpp"

     9 

    10 enum {

    11 	TILE_SIZE   = 16,   ///< Tiles are 16x16 "units" in size

    12 	TILE_PIXELS = 32,   ///< a tile is 32x32 pixels

    13 	TILE_HEIGHT =  8,   ///< The standard height-difference between tiles on two levels is 8 (z-diff 8)

    14 

    15 	MAX_TILE_HEIGHT     = 15,                    ///< Maximum allowed tile height

    16 	MAX_SNOWLINE_HEIGHT = (MAX_TILE_HEIGHT - 2), ///< Maximum allowed snowline height

    17 };

    18 

    19 

    20 /**

    21  * The different type of a tile.

    22  *

    23  * Each tile belongs to one type, according whatever is build on it.

    24  *

    25  * @note A railway with a crossing street is marked as MP_ROAD.

    26  */

    27 enum TileType {

    28 	MP_CLEAR,               ///< A tile without any structures, i.e. grass, rocks, farm fields etc.

    29 	MP_RAILWAY,             ///< A railway

    30 	MP_ROAD,                ///< A tile with road (or tram tracks)

    31 	MP_HOUSE,               ///< A house by a town

    32 	MP_TREES,               ///< Tile got trees

    33 	MP_STATION,             ///< A tile of a station

    34 	MP_WATER,               ///< Water tile

    35 	MP_VOID,                ///< Invisible tiles at the SW and SE border

    36 	MP_INDUSTRY,            ///< Part of an industry

    37 	MP_TUNNELBRIDGE,        ///< Tunnel entry/exit and bridge heads

    38 	MP_UNMOVABLE,           ///< Contains an object with cannot be removed like transmitters

    39 };

    40 

    41 /**

    42  * Additional infos of a tile on a tropic game.

    43  *

    44  * Each non-water tile in a tropic game is either a rainforest tile or a

    45  * desert one.

    46  */

    47 enum TropicZone {

    48 	TROPICZONE_INVALID    = 0,      ///< Invalid tropiczone-type

    49 	TROPICZONE_DESERT     = 1,      ///< Tile is desert

    50 	TROPICZONE_RAINFOREST = 2,      ///< Rainforest tile

    51 };

    52 

    53 /**

    54  * The index/ID of a Tile.

    55  */

    56 typedef uint32 TileIndex;

    57 

    58 /**

    59  * The very nice invalid tile marker

    60  */

    61 static const TileIndex INVALID_TILE = (TileIndex)-1;

    62 

    63 #endif /* TILE_TYPE_H */