src/ship.h

   1 /*
   2  * This file is part of OpenTTD.
   3  * 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.
   4  * 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.
   5  * 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/>.
   6  */
   7
   8 /** @file ship.h Base for ships. */
   9
  10 #ifndef SHIP_H
  11 #define SHIP_H
  12
  13 #include <deque>
  14
  15 #include "vehicle_base.h"
  16 #include "water_map.h"
  17
  18 void GetShipSpriteSize(EngineID engine, uint &width, uint &height, int &xoffs, int &yoffs, EngineImageType image_type);
  19 WaterClass GetEffectiveWaterClass(TileIndex tile);
  20
  21 typedef std::deque<Trackdir> ShipPathCache;
  22
  23 /**
  24  * All ships have this type.
  25  */
  26 struct Ship FINAL : public SpecializedVehicle<Ship, VEH_SHIP> {
  27         TrackBits state;      ///< The "track" the ship is following.
  28         ShipPathCache path;   ///< Cached path.
  29         Direction rotation;   ///< Visible direction.
  30         int16 rotation_x_pos; ///< NOSAVE: X Position before rotation.
  31         int16 rotation_y_pos; ///< NOSAVE: Y Position before rotation.
  32
  33         /** We don't want GCC to zero our struct! It already is zeroed and has an index! */
  34         Ship() : SpecializedVehicleBase() {}
  35         /** We want to 'destruct' the right class. */
  36         virtual ~Ship() { this->PreDestructor(); }
  37
  38         void MarkDirty();
  39         void UpdateDeltaXY();
  40         ExpensesType GetExpenseType(bool income) const { return income ? EXPENSES_SHIP_INC : EXPENSES_SHIP_RUN; }
  41         void PlayLeaveStationSound() const;
  42         bool IsPrimaryVehicle() const { return true; }
  43         void GetImage(Direction direction, EngineImageType image_type, VehicleSpriteSeq *result) const;
  44         int GetDisplaySpeed() const { return this->cur_speed / 2; }
  45         int GetDisplayMaxSpeed() const { return this->vcache.cached_max_speed / 2; }
  46         int GetCurrentMaxSpeed() const { return std::min<int>(this->vcache.cached_max_speed, this->current_order.GetMaxSpeed() * 2); }
  47         Money GetRunningCost() const;
  48         bool IsInDepot() const { return this->state == TRACK_BIT_DEPOT; }
  49         bool Tick();
  50         void OnNewDay();
  51         Trackdir GetVehicleTrackdir() const;
  52         TileIndex GetOrderStationLocation(StationID station);
  53         bool FindClosestDepot(TileIndex *location, DestinationID *destination, bool *reverse);
  54         void UpdateCache();
  55         void SetDestTile(TileIndex tile);
  56 };
  57
  58 bool IsShipDestinationTile(TileIndex tile, StationID station);
  59
  60 #endif /* SHIP_H */