OpenTTD
road_map.cpp
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1 /* $Id: road_map.cpp 26482 2014-04-23 20:13:33Z rubidium $ */
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 #include "stdafx.h"
13 #include "station_map.h"
14 #include "tunnelbridge_map.h"
15 
16 #include "safeguards.h"
17 
18 
35 RoadBits GetAnyRoadBits(TileIndex tile, RoadType rt, bool straight_tunnel_bridge_entrance)
36 {
37  if (!HasTileRoadType(tile, rt)) return ROAD_NONE;
38 
39  switch (GetTileType(tile)) {
40  case MP_ROAD:
41  switch (GetRoadTileType(tile)) {
42  default:
43  case ROAD_TILE_NORMAL: return GetRoadBits(tile, rt);
44  case ROAD_TILE_CROSSING: return GetCrossingRoadBits(tile);
46  }
47 
48  case MP_STATION:
49  if (!IsRoadStopTile(tile)) return ROAD_NONE;
50  if (IsDriveThroughStopTile(tile)) return (GetRoadStopDir(tile) == DIAGDIR_NE) ? ROAD_X : ROAD_Y;
51  return DiagDirToRoadBits(GetRoadStopDir(tile));
52 
53  case MP_TUNNELBRIDGE:
55  return straight_tunnel_bridge_entrance ?
58 
59  default: return ROAD_NONE;
60  }
61 }