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35 lines
1.1 KiB
C
35 lines
1.1 KiB
C
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/* $Id$ */
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/** @file road_internal.h Functions used internally by the roads. */
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#ifndef ROAD_INTERNAL_H
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#define ROAD_INTERNAL_H
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/**
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* Clean up unneccesary RoadBits of a planed tile.
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* @param tile current tile
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* @param org_rb planed RoadBits
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* @return optimised RoadBits
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*/
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RoadBits CleanUpRoadBits(const TileIndex tile, RoadBits org_rb);
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/**
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* Is it allowed to remove the given road bits from the given tile?
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* @param tile the tile to remove the road from
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* @param remove the roadbits that are going to be removed
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* @param owner the actual owner of the roadbits of the tile
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* @param edge_road are the removed bits from a town?
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* @param rt the road type to remove the bits from
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* @return true when it is allowed to remove the road bits
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*/
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bool CheckAllowRemoveRoad(TileIndex tile, RoadBits remove, Owner owner, bool *edge_road, RoadType rt);
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/**
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* Draw the catenary for tram road bits
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* @param ti information about the tile (position, slope)
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* @param tram the roadbits to draw the catenary for
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*/
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void DrawTramCatenary(TileInfo *ti, RoadBits tram);
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#endif /* ROAD_INTERNAL_H */
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