mirror of
https://github.com/JGRennison/OpenTTD-patches.git
synced 2024-11-16 00:12:51 +00:00
86 lines
1.6 KiB
C
86 lines
1.6 KiB
C
/* $Id$ */
|
|
|
|
#ifndef ROAD_H
|
|
#define ROAD_H
|
|
|
|
#include "macros.h"
|
|
#include "rail.h"
|
|
#include "tile.h"
|
|
|
|
typedef enum RoadBits {
|
|
ROAD_NW = 1,
|
|
ROAD_SW = 2,
|
|
ROAD_SE = 4,
|
|
ROAD_NE = 8,
|
|
ROAD_X = ROAD_SW | ROAD_NE,
|
|
ROAD_Y = ROAD_NW | ROAD_SE,
|
|
ROAD_ALL = ROAD_X | ROAD_Y
|
|
} RoadBits;
|
|
|
|
static inline RoadBits ComplementRoadBits(RoadBits r)
|
|
{
|
|
return ROAD_ALL ^ r;
|
|
}
|
|
|
|
static inline RoadBits GetRoadBits(TileIndex tile)
|
|
{
|
|
return GB(_m[tile].m5, 0, 4);
|
|
}
|
|
|
|
static inline RoadBits GetCrossingRoadBits(TileIndex tile)
|
|
{
|
|
return _m[tile].m5 & 8 ? ROAD_Y : ROAD_X;
|
|
}
|
|
|
|
static inline TrackBits GetCrossingRailBits(TileIndex tile)
|
|
{
|
|
return _m[tile].m5 & 8 ? TRACK_BIT_X : TRACK_BIT_Y;
|
|
}
|
|
|
|
|
|
typedef enum RoadType {
|
|
ROAD_NORMAL,
|
|
ROAD_CROSSING,
|
|
ROAD_DEPOT
|
|
} RoadType;
|
|
|
|
static inline RoadType GetRoadType(TileIndex tile)
|
|
{
|
|
return GB(_m[tile].m5, 4, 4);
|
|
}
|
|
|
|
|
|
static inline void MakeRoadNormal(TileIndex t, Owner owner, RoadBits bits, uint town)
|
|
{
|
|
SetTileType(t, MP_STREET);
|
|
SetTileOwner(t, owner);
|
|
_m[t].m2 = town;
|
|
_m[t].m3 = 0;
|
|
_m[t].m4 = 0 << 7 | 0 << 4 | 0;
|
|
_m[t].m5 = ROAD_NORMAL << 4 | bits;
|
|
}
|
|
|
|
|
|
static inline void MakeRoadCrossing(TileIndex t, Owner road, Owner rail, Axis roaddir, RailType rt, uint town)
|
|
{
|
|
SetTileType(t, MP_STREET);
|
|
SetTileOwner(t, rail);
|
|
_m[t].m2 = town;
|
|
_m[t].m3 = road;
|
|
_m[t].m4 = 0 << 7 | 0 << 4 | rt;
|
|
_m[t].m5 = ROAD_CROSSING << 4 | roaddir << 3 | 0 << 2;
|
|
}
|
|
|
|
|
|
static inline void MakeRoadDepot(TileIndex t, Owner owner, DiagDirection dir)
|
|
{
|
|
SetTileType(t, MP_STREET);
|
|
SetTileOwner(t, owner);
|
|
_m[t].m2 = 0;
|
|
_m[t].m3 = 0;
|
|
_m[t].m4 = 0;
|
|
_m[t].m5 = ROAD_DEPOT << 4 | dir;
|
|
}
|
|
|
|
#endif
|