tron@3146: /* $Id$ */
tron@3146: 
tron@3146: #include "stdafx.h"
tron@3146: #include "openttd.h"
tron@3150: #include "functions.h"
tron@3146: #include "road_map.h"
tron@3146: #include "station.h"
tron@3154: #include "tunnel_map.h"
tron@3146: 
tron@3146: 
tron@3146: RoadBits GetAnyRoadBits(TileIndex tile)
tron@3146: {
tron@3146: 	switch (GetTileType(tile)) {
tron@3146: 		case MP_STREET:
tron@3146: 			switch (GetRoadType(tile)) {
tron@3146: 				default:
tron@3146: 				case ROAD_NORMAL:   return GetRoadBits(tile);
tron@3146: 				case ROAD_CROSSING: return GetCrossingRoadBits(tile);
tron@3167: 				case ROAD_DEPOT:    return DiagDirToRoadBits(GetRoadDepotDirection(tile));
tron@3146: 			}
tron@3146: 
tron@3146: 		case MP_STATION:
tron@3146: 			if (!IsRoadStationTile(tile)) return 0;
tron@3146: 			return DiagDirToRoadBits(GetRoadStationDir(tile));
tron@3146: 
tron@3146: 		case MP_TUNNELBRIDGE:
tron@3146: 			if (_m[tile].m5 & 0x80) {
tron@3146: 				// bridge
tron@3146: 				if (_m[tile].m5 & 0x40) {
tron@3146: 					// middle part
tron@3146: 					if ((_m[tile].m5 & 0x38) != 0x28) return 0; // no road under bridge
tron@3146: 					return _m[tile].m5 & 1 ? ROAD_X : ROAD_Y;
tron@3146: 				} else {
tron@3146: 					// ending
tron@3146: 					if (GB(_m[tile].m5, 1, 2) != TRANSPORT_ROAD) return 0; // not a road bridge
tron@3146: 					return _m[tile].m5 & 1 ? ROAD_Y : ROAD_X;
tron@3146: 				}
tron@3146: 			} else {
tron@3146: 				// tunnel
tron@3154: 				if (GetTunnelTransportType(tile) != TRANSPORT_ROAD) return 0;
tron@3154: 				return DiagDirToRoadBits(ReverseDiagDir(GetTunnelDirection(tile)));
tron@3146: 			}
tron@3146: 
tron@3146: 		default: return 0;
tron@3146: 	}
tron@3146: }
tron@3150: 
tron@3150: 
tron@3150: TrackBits GetAnyRoadTrackBits(TileIndex tile)
tron@3150: {
tron@3150: 	uint32 r = GetTileTrackStatus(tile, TRANSPORT_ROAD);
tron@3150: 	return (byte)(r | (r >> 8));
tron@3150: }