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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 ship.h Base for ships. */
#ifndef SHIP_H
#define SHIP_H
#include <deque>
#include "vehicle_base.h"
#include "water_map.h"
void GetShipSpriteSize(EngineID engine, uint &width, uint &height, int &xoffs, int &yoffs, EngineImageType image_type);
WaterClass GetEffectiveWaterClass(TileIndex tile);
typedef std::deque<TrackdirByte> ShipPathCache;
/**
* All ships have this type.
*/
struct Ship FINAL : public SpecializedVehicle<Ship, VEH_SHIP> {
TrackBitsByte state; ///< The "track" the ship is following.
ShipPathCache path; ///< Cached path.
/** We don't want GCC to zero our struct! It already is zeroed and has an index! */
Ship() : SpecializedVehicleBase() {}
/** We want to 'destruct' the right class. */
virtual ~Ship() { this->PreDestructor(); }
void MarkDirty();
void UpdateDeltaXY();
ExpensesType GetExpenseType(bool income) const { return income ? EXPENSES_SHIP_INC : EXPENSES_SHIP_RUN; }
void PlayLeaveStationSound() const;
bool IsPrimaryVehicle() const { return true; }
void GetImage(Direction direction, EngineImageType image_type, VehicleSpriteSeq *result) const;
int GetDisplaySpeed() const { return this->cur_speed / 2; }
int GetDisplayMaxSpeed() const { return this->vcache.cached_max_speed / 2; }
int GetCurrentMaxSpeed() const { return min(this->vcache.cached_max_speed, this->current_order.GetMaxSpeed() * 2); }
Money GetRunningCost() const;
bool IsInDepot() const { return this->state == TRACK_BIT_DEPOT; }
bool Tick();
void OnNewDay();
Trackdir GetVehicleTrackdir() const;
TileIndex GetOrderStationLocation(StationID station);
bool FindClosestDepot(TileIndex *location, DestinationID *destination, bool *reverse);
void UpdateCache();
void SetDestTile(TileIndex tile);
};
static const uint SHIP_MAX_ORDER_DISTANCE = 130;
/**
* Iterate over all ships.
* @param var The variable used for iteration.
*/
#define FOR_ALL_SHIPS(var) FOR_ALL_VEHICLES_OF_TYPE(Ship, var)
#endif /* SHIP_H */
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