# road_map.cpp

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    00001 /* $Id: road_map.cpp 17248 2009-08-21 20:21:05Z 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 #include "stdafx.h"
    00013 #include "station_map.h"
    00014 #include "tunnelbridge_map.h"
    00015
    00016
    00017 RoadBits GetAnyRoadBits(TileIndex tile, RoadType rt, bool straight_tunnel_bridge_entrance)
    00018 {
    00019   if (!HasTileRoadType(tile, rt)) return ROAD_NONE;
    00020
    00021   switch (GetTileType(tile)) {
    00022     case MP_ROAD:
    00023       switch (GetRoadTileType(tile)) {
    00024         default:
    00025         case ROAD_TILE_NORMAL:   return GetRoadBits(tile, rt);
    00026         case ROAD_TILE_CROSSING: return GetCrossingRoadBits(tile);
    00027         case ROAD_TILE_DEPOT:    return DiagDirToRoadBits(GetRoadDepotDirection(tile));
    00028       }
    00029
    00030     case MP_STATION:
    00031       if (!IsRoadStopTile(tile)) return ROAD_NONE;
    00032       if (IsDriveThroughStopTile(tile)) return (GetRoadStopDir(tile) == DIAGDIR_NE) ? ROAD_X : ROAD_Y;
    00033       return DiagDirToRoadBits(GetRoadStopDir(tile));
    00034
    00035     case MP_TUNNELBRIDGE:
    00036       if (GetTunnelBridgeTransportType(tile) != TRANSPORT_ROAD) return ROAD_NONE;
    00037       return straight_tunnel_bridge_entrance ?
    00038           AxisToRoadBits(DiagDirToAxis(GetTunnelBridgeDirection(tile))) :
    00039           DiagDirToRoadBits(ReverseDiagDir(GetTunnelBridgeDirection(tile)));
    00040
    00041     default: return ROAD_NONE;
    00042   }
    00043 }