OpenTTD: src/tunnelbridge_map.h Source File

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tunnelbridge_map.h
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1 /* $Id: tunnelbridge_map.h 24900 2013-01-08 22:46:42Z planetmaker $ */
2
3 /*
4 * This file is part of OpenTTD.
5 * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
6 * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
7 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
8 */
9
12 #ifndef TUNNELBRIDGE_MAP_H
13 #define TUNNELBRIDGE_MAP_H
14
15 #include "bridge_map.h"
16 #include "tunnel_map.h"
17
18
28 static inline DiagDirection GetTunnelBridgeDirection(TileIndex t)
29 {
30 assert(IsTileType(t, MP_TUNNELBRIDGE));
31 return (DiagDirection)GB(_m[t].m5, 0, 2);
32 }
33
41 static inline TransportType GetTunnelBridgeTransportType(TileIndex t)
42 {
43 assert(IsTileType(t, MP_TUNNELBRIDGE));
44 return (TransportType)GB(_m[t].m5, 2, 2);
45 }
46
54 static inline bool HasTunnelBridgeSnowOrDesert(TileIndex t)
55 {
56 assert(IsTileType(t, MP_TUNNELBRIDGE));
57 return HasBit(_me[t].m7, 5);
58 }
59
68 static inline void SetTunnelBridgeSnowOrDesert(TileIndex t, bool snow_or_desert)
69 {
70 assert(IsTileType(t, MP_TUNNELBRIDGE));
71 SB(_me[t].m7, 5, 1, snow_or_desert);
72 }
73
80 static inline TileIndex GetOtherTunnelBridgeEnd(TileIndex t)
81 {
82 assert(IsTileType(t, MP_TUNNELBRIDGE));
83 return IsTunnel(t) ? GetOtherTunnelEnd(t) : GetOtherBridgeEnd(t);
84 }
85
86
93 static inline bool HasTunnelBridgeReservation(TileIndex t)
94 {
95 assert(IsTileType(t, MP_TUNNELBRIDGE));
96 assert(GetTunnelBridgeTransportType(t) == TRANSPORT_RAIL);
97 return HasBit(_m[t].m5, 4);
98 }
99
106 static inline void SetTunnelBridgeReservation(TileIndex t, bool b)
107 {
108 assert(IsTileType(t, MP_TUNNELBRIDGE));
109 assert(GetTunnelBridgeTransportType(t) == TRANSPORT_RAIL);
110 SB(_m[t].m5, 4, 1, b ? 1 : 0);
111 }
112
119 static inline TrackBits GetTunnelBridgeReservationTrackBits(TileIndex t)
120 {
121 return HasTunnelBridgeReservation(t) ? DiagDirToDiagTrackBits(GetTunnelBridgeDirection(t)) : TRACK_BIT_NONE;
122 }
123
124 #endif /* TUNNELBRIDGE_MAP_H */