# tunnelbridge_map.h

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    00001 /* $Id: tunnelbridge_map.h 18809 2010-01-15 16:41:15Z rubidium $ */
    00002
    00003 /*
    00004  * This file is part of OpenTTD.
    00005  * 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.
    00006  * 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.
    00007  * 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/>.
    00008  */
    00009
    00012 #ifndef TUNNELBRIDGE_MAP_H
    00013 #define TUNNELBRIDGE_MAP_H
    00014
    00015 #include "bridge_map.h"
    00016 #include "tunnel_map.h"
    00017
    00018
    00028 static inline DiagDirection GetTunnelBridgeDirection(TileIndex t)
    00029 {
    00030   assert(IsTileType(t, MP_TUNNELBRIDGE));
    00031   return (DiagDirection)GB(_m[t].m5, 0, 2);
    00032 }
    00033
    00041 static inline TransportType GetTunnelBridgeTransportType(TileIndex t)
    00042 {
    00043   assert(IsTileType(t, MP_TUNNELBRIDGE));
    00044   return (TransportType)GB(_m[t].m5, 2, 2);
    00045 }
    00046
    00054 static inline bool HasTunnelBridgeSnowOrDesert(TileIndex t)
    00055 {
    00056   assert(IsTileType(t, MP_TUNNELBRIDGE));
    00057   return HasBit(_me[t].m7, 5);
    00058 }
    00059
    00068 static inline void SetTunnelBridgeSnowOrDesert(TileIndex t, bool snow_or_desert)
    00069 {
    00070   assert(IsTileType(t, MP_TUNNELBRIDGE));
    00071   SB(_me[t].m7, 5, 1, snow_or_desert);
    00072 }
    00073
    00080 static inline TileIndex GetOtherTunnelBridgeEnd(TileIndex t)
    00081 {
    00082   assert(IsTileType(t, MP_TUNNELBRIDGE));
    00083   return IsTunnel(t) ? GetOtherTunnelEnd(t) : GetOtherBridgeEnd(t);
    00084 }
    00085
    00086
    00093 static inline bool HasTunnelBridgeReservation(TileIndex t)
    00094 {
    00095   assert(IsTileType(t, MP_TUNNELBRIDGE));
    00096   assert(GetTunnelBridgeTransportType(t) == TRANSPORT_RAIL);
    00097   return HasBit(_m[t].m5, 4);
    00098 }
    00099
    00106 static inline void SetTunnelBridgeReservation(TileIndex t, bool b)
    00107 {
    00108   assert(IsTileType(t, MP_TUNNELBRIDGE));
    00109   assert(GetTunnelBridgeTransportType(t) == TRANSPORT_RAIL);
    00110   SB(_m[t].m5, 4, 1, b ? 1 : 0);
    00111 }
    00112
    00119 static inline TrackBits GetTunnelBridgeReservationTrackBits(TileIndex t)
    00120 {
    00121   return HasTunnelBridgeReservation(t) ? DiagDirToDiagTrackBits(GetTunnelBridgeDirection(t)) : TRACK_BIT_NONE;
    00122 }
    00123
    00124 #endif /* TUNNELBRIDGE_MAP_H */