tron@3146: /* $Id$ */
tron@3146: 
belugas@6393: /** @file road_map.cpp */
belugas@6393: 
tron@3146: #include "stdafx.h"
tron@3146: #include "openttd.h"
tron@3196: #include "bridge_map.h"
rubidium@8119: #include "tile_cmd.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"
smatz@8083: #include "tunnelbridge_map.h"
tron@3146: 
tron@3146: 
rubidium@6661: RoadBits GetAnyRoadBits(TileIndex tile, RoadType rt)
tron@3146: {
skidd13@7928: 	if (!HasBit(GetRoadTypes(tile), rt)) return ROAD_NONE;
rubidium@6661: 
tron@3146: 	switch (GetTileType(tile)) {
rubidium@7370: 		case MP_ROAD:
rubidium@3793: 			switch (GetRoadTileType(tile)) {
tron@3146: 				default:
rubidium@6661: 				case ROAD_TILE_NORMAL:   return GetRoadBits(tile, rt);
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@5587: 			if (!IsRoadStopTile(tile)) return ROAD_NONE;
rubidium@6012: 			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:
smatz@8088: 			if (GetTunnelBridgeTransportType(tile) != TRANSPORT_ROAD) return ROAD_NONE;
smatz@8088: 			return DiagDirToRoadBits(ReverseDiagDir(GetTunnelBridgeDirection(tile)));
tron@3146: 
rubidium@5587: 		default: return ROAD_NONE;
tron@3146: 	}
tron@3146: }
tron@3150: 
tron@3150: 
rubidium@6661: TrackBits GetAnyRoadTrackBits(TileIndex tile, RoadType rt)
tron@3150: {
peter1138@4233: 	uint32 r;
peter1138@4233: 
rubidium@6418: 	/* Don't allow local authorities to build roads through road depots or road stops. */
skidd13@7928: 	if ((IsTileType(tile, MP_ROAD) && IsTileDepotType(tile, TRANSPORT_ROAD)) || (IsTileType(tile, MP_STATION) && !IsDriveThroughStopTile(tile)) || !HasBit(GetRoadTypes(tile), rt)) {
rubidium@5587: 		return TRACK_BIT_NONE;
KUDr@3927: 	}
peter1138@4233: 
rubidium@6683: 	r = GetTileTrackStatus(tile, TRANSPORT_ROAD, RoadTypeToRoadTypes(rt));
rubidium@6661: 
rubidium@5587: 	return (TrackBits)(byte)(r | (r >> 8));
tron@3150: }