mirror of https://github.com/OpenTTD/OpenTTD.git
49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
/* $Id$ */
|
|
|
|
#include "town.h"
|
|
|
|
static inline int GetHouseType(TileIndex t)
|
|
{
|
|
assert(IsTileType(t, MP_HOUSE));
|
|
return _m[t].m4;
|
|
}
|
|
|
|
static inline uint GetTownIndex(TileIndex t)
|
|
{
|
|
assert(IsTileType(t, MP_HOUSE) || IsTileType(t, MP_STREET)); // XXX incomplete
|
|
return _m[t].m2;
|
|
}
|
|
|
|
static inline Town* GetTownByTile(TileIndex t)
|
|
{
|
|
return GetTown(GetTownIndex(t));
|
|
}
|
|
|
|
static inline void MakeHouseTile(TileIndex t, TownID tid, byte counter, byte stage, byte type)
|
|
{
|
|
assert(IsTileType(t, MP_CLEAR));
|
|
|
|
SetTileType(t, MP_HOUSE);
|
|
_m[t].m1 = 0;
|
|
_m[t].m2 = tid;
|
|
SB(_m[t].m3, 6, 2, stage);
|
|
_m[t].m4 = type;
|
|
SB(_m[t].m5, 0, 2, counter);
|
|
|
|
MarkTileDirtyByTile(t);
|
|
}
|
|
|
|
enum {
|
|
TWO_BY_TWO_BIT = 2, ///< House is two tiles in X and Y directions
|
|
ONE_BY_TWO_BIT = 1, ///< House is two tiles in Y direction
|
|
TWO_BY_ONE_BIT = 0, ///< House is two tiles in X direction
|
|
};
|
|
|
|
static inline void MakeTownHouse(TileIndex t, TownID tid, byte counter, byte stage, byte size, byte type)
|
|
{
|
|
MakeHouseTile(t, tid, counter, stage, type);
|
|
if (HASBIT(size, TWO_BY_TWO_BIT) || HASBIT(size, ONE_BY_TWO_BIT)) MakeHouseTile(t + TileDiffXY(0, 1), tid, counter, stage, ++type);
|
|
if (HASBIT(size, TWO_BY_TWO_BIT) || HASBIT(size, TWO_BY_ONE_BIT)) MakeHouseTile(t + TileDiffXY(1, 0), tid, counter, stage, ++type);
|
|
if (HASBIT(size, TWO_BY_TWO_BIT)) MakeHouseTile(t + TileDiffXY(1, 1), tid, counter, stage, ++type);
|
|
}
|