Files @ r11784:1f7706fe8337
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Location: cpp/openttd-patchpack/source/src/bridge_map.cpp

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(svn r16179) -Update: WebTranslator2 update to 2009-04-27 17:41:22
brazilian_portuguese - 24 fixed by tucalipe (24)
dutch - 10 fixed by habell (10)
estonian - 8 changed by kristjans (8)
hungarian - 10 fixed by IPG (10)
italian - 1 changed by lorenzodv (1)
malay - 22 fixed by Syed (22)
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polish - 336 fixed, 104 changed by konrad (440)
/* $Id$ */

/** @file bridge_map.cpp Map accessor functions for bridges. */

#include "stdafx.h"
#include "bridge_map.h"
#include "landscape.h"
#include "tunnelbridge_map.h"


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

	dir = ReverseDiagDir(dir);
	do {
		tile += delta;
	} while (!IsBridgeTile(tile) || GetTunnelBridgeDirection(tile) != dir);

	return tile;
}


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


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


TileIndex GetOtherBridgeEnd(TileIndex tile)
{
	assert(IsBridgeTile(tile));
	return GetBridgeEnd(tile, GetTunnelBridgeDirection(tile));
}

uint GetBridgeHeight(TileIndex t)
{
	uint h;
	Slope tileh = GetTileSlope(t, &h);
	Foundation f = GetBridgeFoundation(tileh, DiagDirToAxis(GetTunnelBridgeDirection(t)));

	/* one height level extra for the ramp */
	return h + TILE_HEIGHT + ApplyFoundationToSlope(f, &tileh);
}