cpp/openttd-patchpack/source Files · bridge_map.c

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Location: cpp/openttd-patchpack/source/bridge_map.c

r3983:b2c269b85722 605 B text/x-c Show Annotation Show as Raw Download as Raw

tron

(svn r5171) Get rid of an ungly hack in the load routine, which temporarily turned house and road tiles into void tiles to calculate the closest town

/* $Id$ */

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


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

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

	return tile;
}