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rubidium

(svn r13621) -Fix: building roadbits in the wrong direction on bridges or building roadbits from underneath the bridge to the bridgehead is impossible, so don't silently ignore that error when building over houses and industries is not ignored.

/* $Id$ */

/** @file elrail_func.h header file for electrified rail specific functions */

#ifndef ELRAIL_FUNC_H
#define ELRAIL_FUNC_H

#include "rail.h"
#include "transparency.h"
#include "tile_cmd.h"
#include "settings_type.h"

/**
 * Test if a rail type has catenary
 * @param rt Rail type to test
 */
static inline bool HasCatenary(RailType rt)
{
	return HasBit(GetRailTypeInfo(rt)->flags, RTF_CATENARY);
}

/**
 * Test if we should draw rail catenary
 * @param rt Rail type to test
 */
static inline bool HasCatenaryDrawn(RailType rt)
{
	return HasCatenary(rt) && !IsInvisibilitySet(TO_CATENARY) && !_settings_game.vehicle.disable_elrails;
}

/**
 * Draws overhead wires and pylons for electric railways.
 * @param ti The TileInfo struct of the tile being drawn
 * @see DrawCatenaryRailway
 */
void DrawCatenary(const TileInfo *ti);
void DrawCatenaryOnTunnel(const TileInfo *ti);
void DrawCatenaryOnBridge(const TileInfo *ti);

int32 SettingsDisableElrail(int32 p1); ///< _settings_game.disable_elrail callback

#endif /* ELRAIL_FUNC_H */