bridge_map.c
author bjarni
Fri, 08 Sep 2006 12:10:37 +0000
changeset 4579 08d9f17eb963
parent 4559 c853d2440065
child 5573 afa6f92a71fd
permissions -rw-r--r--
(svn r6429) -Fix: [autoreplace GUI] selecting an empty line will now deselect the engine instead of selecting the first in the list (consistent with all other windows)
-Fix: [autoreplace GUI] engine info is now drawn in the right side even if the left list is empty
/* $Id$ */

#include "stdafx.h"
#include "openttd.h"
#include "bridge_map.h"


TileIndex GetBridgeEnd(TileIndex tile, DiagDirection dir)
{
	TileIndexDiff delta = TileOffsByDiagDir(dir);

	assert(DiagDirToAxis(dir) == GetBridgeAxis(tile));

	do {
		tile += delta;
	} while (!IsBridgeRamp(tile));

	return tile;
}


TileIndex GetSouthernBridgeEnd(TileIndex t)
{
	return GetBridgeEnd(t, AxisToDiagDir(GetBridgeAxis(t)));
}


TileIndex GetOtherBridgeEnd(TileIndex tile)
{
	TileIndexDiff delta = TileOffsByDiagDir(GetBridgeRampDirection(tile));

	do {
		tile += delta;
	} while (!IsBridgeRamp(tile));

	return tile;
}