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https://github.com/JGRennison/OpenTTD-patches.git
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123 lines
4.2 KiB
C
123 lines
4.2 KiB
C
/* $Id$ */
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/*
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* This file is part of OpenTTD.
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* 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.
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* 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.
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* 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/>.
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*/
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/** @file aircraft.h Base for aircraft. */
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#ifndef AIRCRAFT_H
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#define AIRCRAFT_H
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#include "station_map.h"
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#include "vehicle_base.h"
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struct Aircraft;
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/** An aircraft can be one ot those types */
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enum AircraftSubType {
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AIR_HELICOPTER = 0, ///< an helicopter
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AIR_AIRCRAFT = 2, ///< an airplane
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AIR_SHADOW = 4, ///< shadow of the aircraft
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AIR_ROTOR = 6 ///< rotor of an helicopter
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};
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/** Handle Aircraft specific tasks when a an Aircraft enters a hangar
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* @param *v Vehicle that enters the hangar
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*/
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void HandleAircraftEnterHangar(Aircraft *v);
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/** Get the size of the sprite of an aircraft sprite heading west (used for lists)
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* @param engine The engine to get the sprite from
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* @param width The width of the sprite
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* @param height The height of the sprite
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*/
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void GetAircraftSpriteSize(EngineID engine, uint &width, uint &height);
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/**
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* Updates the status of the Aircraft heading or in the station
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* @param st Station been updated
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*/
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void UpdateAirplanesOnNewStation(const Station *st);
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/** Update cached values of an aircraft.
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* Currently caches callback 36 max speed.
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* @param v Vehicle
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*/
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void UpdateAircraftCache(Aircraft *v);
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void AircraftLeaveHangar(Aircraft *v);
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void AircraftNextAirportPos_and_Order(Aircraft *v);
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void SetAircraftPosition(Aircraft *v, int x, int y, int z);
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byte GetAircraftFlyingAltitude(const Aircraft *v);
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/** Cached oftenly queried (NewGRF) values */
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struct AircraftCache {
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uint16 cached_max_speed; ///< Cached maximum speed of the aircraft.
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};
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/**
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* Aircraft, helicopters, rotors and their shadows belong to this class.
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*/
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struct Aircraft : public SpecializedVehicle<Aircraft, VEH_AIRCRAFT> {
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AircraftCache acache; ///< Cache of often used calculated values
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uint16 crashed_counter;
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byte pos;
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byte previous_pos;
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StationID targetairport;
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byte state;
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DirectionByte last_direction;
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byte number_consecutive_turns;
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/** Ticks between each turn to prevent > 45 degree turns. */
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byte turn_counter;
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/** We don't want GCC to zero our struct! It already is zeroed and has an index! */
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Aircraft() : SpecializedVehicle<Aircraft, VEH_AIRCRAFT>() {}
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/** We want to 'destruct' the right class. */
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virtual ~Aircraft() { this->PreDestructor(); }
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const char *GetTypeString() const { return "aircraft"; }
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void MarkDirty();
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void UpdateDeltaXY(Direction direction);
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ExpensesType GetExpenseType(bool income) const { return income ? EXPENSES_AIRCRAFT_INC : EXPENSES_AIRCRAFT_RUN; }
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bool IsPrimaryVehicle() const { return this->IsNormalAircraft(); }
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SpriteID GetImage(Direction direction) const;
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int GetDisplaySpeed() const { return this->cur_speed; }
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int GetDisplayMaxSpeed() const { return this->max_speed; }
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Money GetRunningCost() const;
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bool IsInDepot() const { return (this->vehstatus & VS_HIDDEN) != 0 && IsHangarTile(this->tile); }
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bool Tick();
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void OnNewDay();
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uint Crash(bool flooded = false);
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TileIndex GetOrderStationLocation(StationID station);
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bool FindClosestDepot(TileIndex *location, DestinationID *destination, bool *reverse);
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/**
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* Check if the aircraft type is a normal flying device; eg
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* not a rotor or a shadow
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* @return Returns true if the aircraft is a helicopter/airplane and
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* false if it is a shadow or a rotor
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*/
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FORCEINLINE bool IsNormalAircraft() const
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{
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/* To be fully correct the commented out functionality is the proper one,
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* but since value can only be 0 or 2, it is sufficient to only check <= 2
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* return (this->subtype == AIR_HELICOPTER) || (this->subtype == AIR_AIRCRAFT); */
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return this->subtype <= AIR_AIRCRAFT;
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}
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};
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#define FOR_ALL_AIRCRAFT(var) FOR_ALL_VEHICLES_OF_TYPE(Aircraft, var)
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SpriteID GetRotorImage(const Aircraft *v);
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Station *GetTargetAirportIfValid(const Aircraft *v);
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#endif /* AIRCRAFT_H */
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