Files
@ r7362:10cac61763f7
Branch filter:
Location: cpp/openttd-patchpack/source/src/tunnel_map.h
r7362:10cac61763f7
3.1 KiB
text/x-c
(svn r10725) -Codechange: move some window related code out of gfx.cpp to windows.cpp
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 | /* $Id$ */
/** @file tunnel_map.h */
#ifndef TUNNEL_MAP_H
#define TUNNEL_MAP_H
#include "direction.h"
#include "macros.h"
#include "map.h"
#include "rail.h"
#include "road.h"
/**
* Is this a tunnel (entrance)?
* @param t the tile that might be a tunnel
* @pre IsTileType(t, MP_TUNNELBRIDGE)
* @return true if and only if this tile is a tunnel (entrance)
*/
static inline bool IsTunnel(TileIndex t)
{
assert(IsTileType(t, MP_TUNNELBRIDGE));
return !HASBIT(_m[t].m5, 7);
}
/**
* Is this a tunnel (entrance)?
* @param t the tile that might be a tunnel
* @return true if and only if this tile is a tunnel (entrance)
*/
static inline bool IsTunnelTile(TileIndex t)
{
return IsTileType(t, MP_TUNNELBRIDGE) && IsTunnel(t);
}
/**
* Gets the direction facing out of the tunnel
* @param t the tile to get the tunnel facing direction of
* @pre IsTunnelTile(t)
* @return the direction the tunnel is facing
*/
static inline DiagDirection GetTunnelDirection(TileIndex t)
{
assert(IsTunnelTile(t));
return (DiagDirection)GB(_m[t].m5, 0, 2);
}
/**
* Gets the transport type of the tunnel (road or rail)
* @param t the tunnel entrance tile to get the type of
* @pre IsTunnelTile(t)
* @return the transport type in the tunnel
*/
static inline TransportType GetTunnelTransportType(TileIndex t)
{
assert(IsTunnelTile(t));
return (TransportType)GB(_m[t].m5, 2, 2);
}
/**
* Is this tunnel entrance in a snowy or desert area?
* @param t the tunnel entrance tile
* @pre IsTunnelTile(t)
* @return true if and only if the tunnel entrance is in a snowy/desert area
*/
static inline bool HasTunnelSnowOrDesert(TileIndex t)
{
assert(IsTunnelTile(t));
return HASBIT(_m[t].m4, 7);
}
/**
* Places this tunnel entrance in a snowy or desert area,
* or takes it out of there.
* @param t the tunnel entrance tile
* @param snow_or_desert is the entrance in snow or desert (true), when
* not in snow and not in desert false
* @pre IsTunnelTile(t)
*/
static inline void SetTunnelSnowOrDesert(TileIndex t, bool snow_or_desert)
{
assert(IsTunnelTile(t));
SB(_m[t].m4, 7, 1, snow_or_desert);
}
TileIndex GetOtherTunnelEnd(TileIndex);
bool IsTunnelInWay(TileIndex, uint z);
bool IsTunnelInWayDir(TileIndex tile, uint z, DiagDirection dir);
/**
* Makes a road tunnel entrance
* @param t the entrance of the tunnel
* @param o the owner of the entrance
* @param d the direction facing out of the tunnel
* @param r the road type used in the tunnel
*/
static inline void MakeRoadTunnel(TileIndex t, Owner o, DiagDirection d, RoadTypes r)
{
SetTileType(t, MP_TUNNELBRIDGE);
SetTileOwner(t, o);
_m[t].m2 = 0;
_m[t].m3 = r;
_m[t].m4 = 0;
_m[t].m5 = TRANSPORT_ROAD << 2 | d;
}
/**
* Makes a rail tunnel entrance
* @param t the entrance of the tunnel
* @param o the owner of the entrance
* @param d the direction facing out of the tunnel
* @param r the rail type used in the tunnel
*/
static inline void MakeRailTunnel(TileIndex t, Owner o, DiagDirection d, RailType r)
{
SetTileType(t, MP_TUNNELBRIDGE);
SetTileOwner(t, o);
_m[t].m2 = 0;
_m[t].m3 = r;
_m[t].m4 = 0;
_m[t].m5 = TRANSPORT_RAIL << 2 | d;
}
#endif /* TUNNEL_MAP_H */
|