src/tunnelbridge.h
author smatz
Wed, 24 Sep 2008 16:40:06 +0000
changeset 10184 bf4e3ff4cf16
parent 8973 749e572f9378
permissions -rw-r--r--
(svn r14395) -Fix [FS#2285]: crashes and GUI desyncs when order is deleted/modified while the timetable window is open
-Fix: close any dropdown and child windows in the Order and Timetable windows when selected order is deselected, deleted, ...
/* $Id$ */

/** @file tunnelbridge.h Header file for things common for tunnels and bridges */

#ifndef TUNNELBRIDGE_H
#define TUNNELBRIDGE_H

#include "tile_type.h"

/**
 * Calculates the length of a tunnel or a bridge (without end tiles)
 * @return length of bridge/tunnel middle
 */
static inline uint GetTunnelBridgeLength(TileIndex begin, TileIndex end)
{
	int x1 = TileX(begin);
	int y1 = TileY(begin);
	int x2 = TileX(end);
	int y2 = TileY(end);

	return abs(x2 + y2 - x1 - y1) - 1;
}

extern TileIndex _build_tunnel_endtile;

#endif /* TUNNELBRIDGE_H */