signal_type.h

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00001 /* $Id$ */
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 SIGNAL_TYPE_H
00013 #define SIGNAL_TYPE_H
00014 
00015 #include "core/enum_type.hpp"
00016 #include "track_type.h"
00017 #include "tile_type.h"
00018 
00020 enum SignalVariant {
00021   SIG_ELECTRIC  = 0, 
00022   SIG_SEMAPHORE = 1  
00023 };
00024 
00026 enum SignalType {
00027   SIGTYPE_NORMAL     = 0, 
00028   SIGTYPE_ENTRY      = 1, 
00029   SIGTYPE_EXIT       = 2, 
00030   SIGTYPE_COMBO      = 3, 
00031   SIGTYPE_PBS        = 4, 
00032   SIGTYPE_PBS_ONEWAY = 5, 
00033   SIGTYPE_PROG       = 6, 
00034   SIGTYPE_SPEED      = 7, 
00035 
00036   SIGTYPE_END,
00037   SIGTYPE_LAST             = SIGTYPE_SPEED,
00038   SIGTYPE_FIRST_PBS_SPRITE = SIGTYPE_PBS
00039 };
00041 template <> struct EnumPropsT<SignalType> : MakeEnumPropsT<SignalType, byte, SIGTYPE_NORMAL, SIGTYPE_END, SIGTYPE_END, 3> {};
00042 
00048 struct SignalReference {
00049   inline SignalReference(TileIndex t, Track tr) : tile(t), track(tr) {}
00050   inline bool operator<(const SignalReference& o) const { return tile < o.tile || (tile == o.tile && track < o.track); }
00051   inline bool operator==(const SignalReference& o) const { return tile == o.tile && track == o.track; }
00052   inline bool operator!=(const SignalReference& o) const { return tile != o.tile || track != o.track; }
00053   
00054   TileIndex tile; 
00055   Track track;
00056 };
00057 
00058 #endif /* SIGNAL_TYPE_H */