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#ifndef TILE_H
#define TILE_H
#include "macros.h"
#include "map.h"
typedef enum TileType {
MP_CLEAR,
MP_RAILWAY,
MP_STREET,
MP_HOUSE,
MP_TREES,
MP_STATION,
MP_WATER,
MP_VOID, // invisible tiles at the SW and SE border
MP_INDUSTRY,
MP_TUNNELBRIDGE,
MP_UNMOVABLE
} TileType;
/* XXX: This should be moved out to a new file (rail.h) along with some other
* cleanups. I'll do that after 0.4) */
typedef enum {
RAILTYPE_RAIL = 0,
RAILTYPE_MONO = 1,
RAILTYPE_MAGLEV = 2,
RAILTYPE_END,
RAILTYPE_MASK = 0x3,
INVALID_RAILTYPE = 0xFF,
} RailType;
void SetMapExtraBits(TileIndex tile, byte flags);
uint GetMapExtraBits(TileIndex tile);
uint GetTileSlope(TileIndex tile, uint *h);
uint GetTileZ(TileIndex tile);
static inline bool CorrectZ(uint tileh)
{
/* tile height must be corrected if the north corner is not raised, but
* any other corner is. These are the cases 1 till 7 */
return IS_INT_INSIDE(tileh, 1, 8);
}
static inline uint TileHeight(TileIndex tile)
{
assert(tile < MapSize());
return GB(_map_type_and_height[tile], 0, 4);
}
static inline void SetTileHeight(TileIndex tile, uint height)
{
assert(tile < MapSize());
assert(height < 16);
SB(_map_type_and_height[tile], 0, 4, height);
}
static inline uint TilePixelHeight(TileIndex tile)
{
return TileHeight(tile) * 8;
}
static inline TileType GetTileType(TileIndex tile)
{
assert(tile < MapSize());
return GB(_map_type_and_height[tile], 4, 4);
}
static inline void SetTileType(TileIndex tile, TileType type)
{
assert(tile < MapSize());
SB(_map_type_and_height[tile], 4, 4, type);
}
static inline bool IsTileType(TileIndex tile, TileType type)
{
return GetTileType(tile) == type;
}
static inline Owner GetTileOwner(TileIndex tile)
{
assert(tile < MapSize());
assert(!IsTileType(tile, MP_HOUSE));
assert(!IsTileType(tile, MP_VOID));
assert(!IsTileType(tile, MP_INDUSTRY));
return _map_owner[tile];
}
static inline void SetTileOwner(TileIndex tile, Owner owner)
{
assert(tile < MapSize());
assert(!IsTileType(tile, MP_HOUSE));
assert(!IsTileType(tile, MP_VOID));
assert(!IsTileType(tile, MP_INDUSTRY));
_map_owner[tile] = owner;
}
static inline bool IsTileOwner(TileIndex tile, Owner owner)
{
return GetTileOwner(tile) == owner;
}
static inline bool IsLevelCrossing(TileIndex tile)
{
return (_map5[tile] & 0xF0) == 0x10;
}
#endif
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