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/* $Id$ */
/*
* 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 "tile_type.h"
#include "vehicle_type.h"
#include "direction_type.h"
#include "slope_type.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 */
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