(svn r11940) -Codechange: Store short filename once per open file instead of once per sprite cache entry. Not all file types need this, but most of the time no sprite cache entry needed it either.
/* $Id$ */
/** @file road_internal.h Functions used internally by the roads. */
#ifndef ROAD_INTERNAL_H
#define ROAD_INTERNAL_H
#include "tile_cmd.h"
/**
* Clean up unneccesary RoadBits of a planed tile.
* @param tile current tile
* @param org_rb planed RoadBits
* @return optimised RoadBits
*/
RoadBits CleanUpRoadBits(const TileIndex tile, RoadBits org_rb);
/**
* Is it allowed to remove the given road bits from the given tile?
* @param tile the tile to remove the road from
* @param remove the roadbits that are going to be removed
* @param owner the actual owner of the roadbits of the tile
* @param edge_road are the removed bits from a town?
* @param rt the road type to remove the bits from
* @return true when it is allowed to remove the road bits
*/
bool CheckAllowRemoveRoad(TileIndex tile, RoadBits remove, Owner owner, bool *edge_road, RoadType rt);
/**
* Draw the catenary for tram road bits
* @param ti information about the tile (position, slope)
* @param tram the roadbits to draw the catenary for
*/
void DrawTramCatenary(TileInfo *ti, RoadBits tram);
#endif /* ROAD_INTERNAL_H */