tron@3214: /* $Id$ */
tron@3214: 
tron@3214: #include "stdafx.h"
tron@3214: #include "openttd.h"
tron@3214: #include "bridge_map.h"
tron@3214: 
tron@3214: 
tron@3225: TileIndex GetBridgeEnd(TileIndex tile, DiagDirection dir)
tron@3225: {
Darkvater@4559: 	TileIndexDiff delta = TileOffsByDiagDir(dir);
tron@3225: 
tron@3977: 	assert(DiagDirToAxis(dir) == GetBridgeAxis(tile));
tron@3977: 
tron@3977: 	do {
tron@3977: 		tile += delta;
tron@3977: 	} while (!IsBridgeRamp(tile));
tron@3225: 
tron@3225: 	return tile;
tron@3225: }
tron@3225: 
tron@3225: 
tron@3225: TileIndex GetSouthernBridgeEnd(TileIndex t)
tron@3225: {
tron@3225: 	return GetBridgeEnd(t, AxisToDiagDir(GetBridgeAxis(t)));
tron@3225: }
tron@3225: 
tron@3225: 
tron@3214: TileIndex GetOtherBridgeEnd(TileIndex tile)
tron@3214: {
Darkvater@4559: 	TileIndexDiff delta = TileOffsByDiagDir(GetBridgeRampDirection(tile));
celestar@3933: 
tron@3977: 	do {
tron@3977: 		tile += delta;
tron@3977: 	} while (!IsBridgeRamp(tile));
celestar@3933: 
tron@3977: 	return tile;
tron@3214: }