tron@3154: /* $Id$ */
tron@3154: 
tron@3154: #ifndef TUNNEL_MAP_H
tron@3154: #define TUNNEL_MAP_H
tron@3154: 
tron@3154: #include "direction.h"
tron@3154: #include "macros.h"
tron@3154: #include "map.h"
tron@3154: #include "rail.h"
tron@3154: 
tron@3154: 
tron@3184: static inline bool IsTunnel(TileIndex t)
tron@3184: {
tron@3369: 	assert(IsTileType(t, MP_TUNNELBRIDGE));
tron@3184: 	return !HASBIT(_m[t].m5, 7);
tron@3184: }
tron@3184: 
tron@3184: 
tron@3184: static inline bool IsTunnelTile(TileIndex t)
tron@3184: {
tron@3184: 	return IsTileType(t, MP_TUNNELBRIDGE) && IsTunnel(t);
tron@3184: }
tron@3184: 
tron@3184: 
tron@3154: static inline DiagDirection GetTunnelDirection(TileIndex t)
tron@3154: {
tron@3369: 	assert(IsTunnelTile(t));
tron@3154: 	return (DiagDirection)GB(_m[t].m5, 0, 2);
tron@3154: }
tron@3154: 
tron@3154: 
tron@3154: static inline TransportType GetTunnelTransportType(TileIndex t)
tron@3154: {
tron@3369: 	assert(IsTunnelTile(t));
tron@3154: 	return (TransportType)GB(_m[t].m5, 2, 2);
tron@3154: }
tron@3154: 
tron@3154: 
tron@3154: TileIndex GetOtherTunnelEnd(TileIndex);
tron@3156: bool IsTunnelInWay(TileIndex, uint z);
tron@3154: 
tron@3154: 
tron@3154: static inline void MakeRoadTunnel(TileIndex t, Owner o, DiagDirection d)
tron@3154: {
tron@3154: 	SetTileType(t, MP_TUNNELBRIDGE);
tron@3154: 	SetTileOwner(t, o);
tron@3154: 	_m[t].m2 = 0;
tron@3154: 	_m[t].m3 = 0;
tron@3154: 	_m[t].m4 = 0;
tron@3154: 	_m[t].m5 = TRANSPORT_ROAD << 2 | d;
tron@3154: }
tron@3154: 
tron@3154: static inline void MakeRailTunnel(TileIndex t, Owner o, DiagDirection d, RailType r)
tron@3154: {
tron@3154: 	SetTileType(t, MP_TUNNELBRIDGE);
tron@3154: 	SetTileOwner(t, o);
tron@3154: 	_m[t].m2 = 0;
tron@3154: 	_m[t].m3 = r;
tron@3154: 	_m[t].m4 = 0;
tron@3154: 	_m[t].m5 = TRANSPORT_RAIL << 2 | d;
tron@3154: }
tron@3154: 
peter1138@4666: #endif /* TUNNEL_MAP_H */