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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 waypoint_base.h Base of waypoints. */
#ifndef WAYPOINT_BASE_H
#define WAYPOINT_BASE_H
#include "base_station_base.h"
/** Representation of a waypoint. */
struct Waypoint FINAL : SpecializedStation<Waypoint, true> {
uint16 town_cn; ///< The N-1th waypoint for this town (consecutive number)
/**
* Create a waypoint at the given tile.
* @param tile The location of the waypoint.
*/
Waypoint(TileIndex tile = INVALID_TILE) : SpecializedStation<Waypoint, true>(tile) { }
~Waypoint();
void UpdateVirtCoord() override;
inline bool TileBelongsToRailStation(TileIndex tile) const override
{
return IsRailWaypointTile(tile) && GetStationIndex(tile) == this->index;
}
uint32 GetNewGRFVariable(const struct ResolverObject &object, byte variable, byte parameter, bool *available) const override;
void GetTileArea(TileArea *ta, StationType type) const override;
uint GetPlatformLength(TileIndex tile, DiagDirection dir) const override
{
return 1;
}
uint GetPlatformLength(TileIndex tile) const override
{
return 1;
}
/**
* Is this a single tile waypoint?
* @return true if it is.
*/
inline bool IsSingleTile() const
{
return (this->facilities & FACIL_TRAIN) != 0 && this->train_station.w == 1 && this->train_station.h == 1;
}
/**
* Is the "type" of waypoint the same as the given waypoint,
* i.e. are both a rail waypoint or are both a buoy?
* @param wp The waypoint to compare to.
* @return true iff their types are equal.
*/
inline bool IsOfType(const Waypoint *wp) const
{
return this->string_id == wp->string_id;
}
};
/**
* Iterate over all waypoints.
* @param var The variable used for iteration.
*/
#define FOR_ALL_WAYPOINTS(var) FOR_ALL_BASE_STATIONS_OF_TYPE(Waypoint, var)
#endif /* WAYPOINT_BASE_H */
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