1 /* $Id$ */

     2 

     3 #ifndef TUNNEL_MAP_H

     4 #define TUNNEL_MAP_H

     5 

     6 #include "direction.h"

     7 #include "macros.h"

     8 #include "map.h"

     9 #include "rail.h"

    10 

    11 

    12 static inline DiagDirection GetTunnelDirection(TileIndex t)

    13 {

    14 	return (DiagDirection)GB(_m[t].m5, 0, 2);

    15 }

    16 

    17 

    18 static inline TransportType GetTunnelTransportType(TileIndex t)

    19 {

    20 	return (TransportType)GB(_m[t].m5, 2, 2);

    21 }

    22 

    23 

    24 TileIndex GetOtherTunnelEnd(TileIndex);

    25 

    26 

    27 static inline void MakeRoadTunnel(TileIndex t, Owner o, DiagDirection d)

    28 {

    29 	SetTileType(t, MP_TUNNELBRIDGE);

    30 	SetTileOwner(t, o);

    31 	_m[t].m2 = 0;

    32 	_m[t].m3 = 0;

    33 	_m[t].m4 = 0;

    34 	_m[t].m5 = TRANSPORT_ROAD << 2 | d;

    35 }

    36 

    37 static inline void MakeRailTunnel(TileIndex t, Owner o, DiagDirection d, RailType r)

    38 {

    39 	SetTileType(t, MP_TUNNELBRIDGE);

    40 	SetTileOwner(t, o);

    41 	_m[t].m2 = 0;

    42 	_m[t].m3 = r;

    43 	_m[t].m4 = 0;

    44 	_m[t].m5 = TRANSPORT_RAIL << 2 | d;

    45 }

    46 

    47 #endif