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rubidium

(svn r26708) -Codechange: replace C preprocessor with all kinds of options to prevent adding certain things to the result and the sed script to remove everything that shouldn't be in the resulting nfo file but came out of the C preprocessor by a small-ish awk program. This means no more breaking if a C preprocessor decides to add more data to the processed file (like GCC's inclusion of stdc-predef.h when not passing -nostdinc). It furthermore more than halfs the time needed for the assemble step of the extra GRF compilation

/* $Id$ */

/*
 * This file is part of OpenTTD.
 * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
 * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
 */

/** @file depot_func.h Functions related to depots. */

#ifndef DEPOT_FUNC_H
#define DEPOT_FUNC_H

#include "vehicle_type.h"
#include "slope_func.h"

void ShowDepotWindow(TileIndex tile, VehicleType type);

void DeleteDepotHighlightOfVehicle(const Vehicle *v);

/**
 * Find out if the slope of the tile is suitable to build a depot of given direction
 * @param direction The direction in which the depot's exit points
 * @param tileh The slope of the tile in question
 * @return true if the construction is possible
 */
static inline bool CanBuildDepotByTileh(DiagDirection direction, Slope tileh)
{
	assert(tileh != SLOPE_FLAT);
	Slope entrance_corners = InclinedSlope(direction);
	/* For steep slopes both entrance corners must be raised (i.e. neither of them is the lowest corner),
	 * For non-steep slopes at least one corner must be raised. */
	return IsSteepSlope(tileh) ? (tileh & entrance_corners) == entrance_corners : (tileh & entrance_corners) != 0;
}

#endif /* DEPOT_FUNC_H */