src/road_map.cpp
author KUDr
Tue, 13 Feb 2007 23:49:01 +0000
branchcpp_gui
changeset 6251 cd413fa2e252
parent 5838 9c3129cb019b
child 6254 abc6ad7c035c
permissions -rw-r--r--
(svn r8720) [cpp_gui] -Codechange: SetWindowWidgetLoweredState(), ToggleWidgetLoweredState(), LowerWindowWidget(), RaiseWindowWidget() and IsWindowWidgetLowered() turned into Window methods
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/* $Id$ */
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#include "stdafx.h"
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#include "openttd.h"
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#include "bridge_map.h"
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#include "functions.h"
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#include "road_map.h"
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#include "station.h"
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#include "tunnel_map.h"
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#include "station_map.h"
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#include "depot.h"
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RoadBits GetAnyRoadBits(TileIndex tile)
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{
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	switch (GetTileType(tile)) {
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		case MP_STREET:
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			switch (GetRoadTileType(tile)) {
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				default:
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				case ROAD_TILE_NORMAL:   return GetRoadBits(tile);
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				case ROAD_TILE_CROSSING: return GetCrossingRoadBits(tile);
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				case ROAD_TILE_DEPOT:    return DiagDirToRoadBits(GetRoadDepotDirection(tile));
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			}
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		case MP_STATION:
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			if (!IsRoadStopTile(tile)) return ROAD_NONE;
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			return DiagDirToRoadBits(GetRoadStopDir(tile));
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		case MP_TUNNELBRIDGE:
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			if (IsTunnel(tile)) {
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				if (GetTunnelTransportType(tile) != TRANSPORT_ROAD) return ROAD_NONE;
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				return DiagDirToRoadBits(ReverseDiagDir(GetTunnelDirection(tile)));
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			} else {
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				if (GetBridgeTransportType(tile) != TRANSPORT_ROAD) return ROAD_NONE;
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				return DiagDirToRoadBits(ReverseDiagDir(GetBridgeRampDirection(tile)));
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			}
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		default: return ROAD_NONE;
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	}
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}
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TrackBits GetAnyRoadTrackBits(TileIndex tile)
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{
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	uint32 r;
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	// Don't allow local authorities to build roads through road depots or road stops.
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	if ((IsTileType(tile, MP_STREET) && IsTileDepotType(tile, TRANSPORT_ROAD)) || IsTileType(tile, MP_STATION)) {
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		return TRACK_BIT_NONE;
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	}
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	r = GetTileTrackStatus(tile, TRANSPORT_ROAD);
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	return (TrackBits)(byte)(r | (r >> 8));
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}