tron@3146: /* $Id$ */
tron@3146: 
tron@3146: #include "stdafx.h"
tron@3146: #include "openttd.h"
tron@3196: #include "bridge_map.h"
tron@3150: #include "functions.h"
tron@3146: #include "road_map.h"
tron@3146: #include "station.h"
tron@3154: #include "tunnel_map.h"
celestar@3404: #include "station_map.h"
KUDr@3927: #include "depot.h"
tron@3146: 
tron@3146: 
tron@3146: RoadBits GetAnyRoadBits(TileIndex tile)
tron@3146: {
tron@3146: 	switch (GetTileType(tile)) {
tron@3146: 		case MP_STREET:
rubidium@3793: 			switch (GetRoadTileType(tile)) {
tron@3146: 				default:
rubidium@3793: 				case ROAD_TILE_NORMAL:   return GetRoadBits(tile);
rubidium@3793: 				case ROAD_TILE_CROSSING: return GetCrossingRoadBits(tile);
rubidium@3793: 				case ROAD_TILE_DEPOT:    return DiagDirToRoadBits(GetRoadDepotDirection(tile));
tron@3146: 			}
tron@3146: 
tron@3146: 		case MP_STATION:
rubidium@5838: 			if (!IsRoadStopTile(tile)) return ROAD_NONE;
rubidium@6338: 			if (IsDriveThroughStopTile(tile)) return (GetRoadStopDir(tile) == DIAGDIR_NE) ? ROAD_X : ROAD_Y;
celestar@3404: 			return DiagDirToRoadBits(GetRoadStopDir(tile));
tron@3146: 
tron@3146: 		case MP_TUNNELBRIDGE:
celestar@5573: 			if (IsTunnel(tile)) {
rubidium@5838: 				if (GetTunnelTransportType(tile) != TRANSPORT_ROAD) return ROAD_NONE;
tron@3154: 				return DiagDirToRoadBits(ReverseDiagDir(GetTunnelDirection(tile)));
celestar@5573: 			} else {
rubidium@5838: 				if (GetBridgeTransportType(tile) != TRANSPORT_ROAD) return ROAD_NONE;
celestar@5573: 				return DiagDirToRoadBits(ReverseDiagDir(GetBridgeRampDirection(tile)));
tron@3146: 			}
tron@3146: 
rubidium@5838: 		default: return ROAD_NONE;
tron@3146: 	}
tron@3146: }
tron@3150: 
tron@3150: 
tron@3150: TrackBits GetAnyRoadTrackBits(TileIndex tile)
tron@3150: {
peter1138@4233: 	uint32 r;
peter1138@4233: 
KUDr@4615: 	// Don't allow local authorities to build roads through road depots or road stops.
rubidium@6338: 	if ((IsTileType(tile, MP_STREET) && IsTileDepotType(tile, TRANSPORT_ROAD)) || (IsTileType(tile, MP_STATION) && !IsDriveThroughStopTile(tile))) {
rubidium@5838: 		return TRACK_BIT_NONE;
KUDr@3927: 	}
peter1138@4233: 
peter1138@4233: 	r = GetTileTrackStatus(tile, TRANSPORT_ROAD);
rubidium@5838: 	return (TrackBits)(byte)(r | (r >> 8));
tron@3150: }