rubidium@8144: /* $Id$ */
rubidium@8144: 
rubidium@8144: /** @file  vehicle_base.h Base class for all vehicles. */
rubidium@8144: 
rubidium@8144: #ifndef VEHICLE_BASE_H
rubidium@8144: #define VEHICLE_BASE_H
rubidium@8144: 
rubidium@8144: #include "vehicle_type.h"
rubidium@8144: #include "track_type.h"
rubidium@8144: #include "rail_type.h"
rubidium@8144: #include "road_type.h"
rubidium@8144: #include "cargo_type.h"
rubidium@8144: #include "direction_type.h"
rubidium@8144: #include "window_type.h"
rubidium@8144: #include "gfx_type.h"
rubidium@8144: #include "command_type.h"
rubidium@8144: #include "date_type.h"
rubidium@8254: #include "player_type.h"
rubidium@8144: #include "oldpool.h"
rubidium@8144: #include "order.h"
rubidium@8144: #include "cargopacket.h"
rubidium@8144: #include "texteff.hpp"
rubidium@8144: 
rubidium@8144: /** Road vehicle states */
rubidium@8144: enum RoadVehicleStates {
rubidium@8144: 	/*
rubidium@8144: 	 * Lower 4 bits are used for vehicle track direction. (Trackdirs)
rubidium@8144: 	 * When in a road stop (bit 5 or bit 6 set) these bits give the
rubidium@8144: 	 * track direction of the entry to the road stop.
rubidium@8144: 	 * As the entry direction will always be a diagonal
rubidium@8144: 	 * direction (X_NE, Y_SE, X_SW or Y_NW) only bits 0 and 3
rubidium@8144: 	 * are needed to hold this direction. Bit 1 is then used to show
rubidium@8144: 	 * that the vehicle is using the second road stop bay.
rubidium@8144: 	 * Bit 2 is then used for drive-through stops to show the vehicle
rubidium@8144: 	 * is stopping at this road stop.
rubidium@8144: 	 */
rubidium@8144: 
rubidium@8144: 	/* Numeric values */
rubidium@8144: 	RVSB_IN_DEPOT                = 0xFE,                      ///< The vehicle is in a depot
rubidium@8144: 	RVSB_WORMHOLE                = 0xFF,                      ///< The vehicle is in a tunnel and/or bridge
rubidium@8144: 
rubidium@8144: 	/* Bit numbers */
rubidium@8144: 	RVS_USING_SECOND_BAY         =    1,                      ///< Only used while in a road stop
rubidium@8144: 	RVS_IS_STOPPING              =    2,                      ///< Only used for drive-through stops. Vehicle will stop here
rubidium@8144: 	RVS_DRIVE_SIDE               =    4,                      ///< Only used when retrieving move data
rubidium@8144: 	RVS_IN_ROAD_STOP             =    5,                      ///< The vehicle is in a road stop
rubidium@8144: 	RVS_IN_DT_ROAD_STOP          =    6,                      ///< The vehicle is in a drive-through road stop
rubidium@8144: 
rubidium@8144: 	/* Bit sets of the above specified bits */
rubidium@8144: 	RVSB_IN_ROAD_STOP            = 1 << RVS_IN_ROAD_STOP,     ///< The vehicle is in a road stop
rubidium@8144: 	RVSB_IN_ROAD_STOP_END        = RVSB_IN_ROAD_STOP + TRACKDIR_END,
rubidium@8144: 	RVSB_IN_DT_ROAD_STOP         = 1 << RVS_IN_DT_ROAD_STOP,  ///< The vehicle is in a drive-through road stop
rubidium@8144: 	RVSB_IN_DT_ROAD_STOP_END     = RVSB_IN_DT_ROAD_STOP + TRACKDIR_END,
rubidium@8144: 
rubidium@8144: 	RVSB_TRACKDIR_MASK           = 0x0F,                      ///< The mask used to extract track dirs
rubidium@8144: 	RVSB_ROAD_STOP_TRACKDIR_MASK = 0x09                       ///< Only bits 0 and 3 are used to encode the trackdir for road stops
rubidium@8144: };
rubidium@8144: 
rubidium@8144: enum VehStatus {
rubidium@8144: 	VS_HIDDEN          = 0x01,
rubidium@8144: 	VS_STOPPED         = 0x02,
rubidium@8144: 	VS_UNCLICKABLE     = 0x04,
rubidium@8144: 	VS_DEFPAL          = 0x08,
rubidium@8144: 	VS_TRAIN_SLOWING   = 0x10,
rubidium@8144: 	VS_SHADOW          = 0x20,
rubidium@8144: 	VS_AIRCRAFT_BROKEN = 0x40,
rubidium@8144: 	VS_CRASHED         = 0x80,
rubidium@8144: };
rubidium@8144: 
rubidium@8144: enum VehicleFlags {
rubidium@8144: 	VF_LOADING_FINISHED,
rubidium@8144: 	VF_CARGO_UNLOADING,
rubidium@8144: 	VF_BUILT_AS_PROTOTYPE,
rubidium@8144: 	VF_TIMETABLE_STARTED,  ///< Whether the vehicle has started running on the timetable yet.
rubidium@8144: 	VF_AUTOFILL_TIMETABLE, ///< Whether the vehicle should fill in the timetable automatically.
rubidium@8144: };
rubidium@8144: 
rubidium@8144: struct VehicleRail {
rubidium@8144: 	uint16 last_speed; // NOSAVE: only used in UI
rubidium@8144: 	uint16 crash_anim_pos;
rubidium@8144: 
rubidium@8144: 	/* cached values, recalculated on load and each time a vehicle is added to/removed from the consist. */
rubidium@8144: 	uint16 cached_max_speed;  // max speed of the consist. (minimum of the max speed of all vehicles in the consist)
rubidium@8144: 	uint32 cached_power;      // total power of the consist.
peter1138@8178: 	bool cached_tilt;         // train can tilt; feature provides a bonus in curves
rubidium@8144: 	uint8 cached_veh_length;  // length of this vehicle in units of 1/8 of normal length, cached because this can be set by a callback
rubidium@8144: 	uint16 cached_total_length; ///< Length of the whole train, valid only for first engine.
rubidium@8144: 
rubidium@8144: 	/* cached values, recalculated when the cargo on a train changes (in addition to the conditions above) */
rubidium@8144: 	uint32 cached_weight;     // total weight of the consist.
rubidium@8144: 	uint32 cached_veh_weight; // weight of the vehicle.
rubidium@8144: 	uint32 cached_max_te;     // max tractive effort of consist
rubidium@8144: 	/**
rubidium@8144: 	 * Position/type of visual effect.
rubidium@8144: 	 * bit 0 - 3 = position of effect relative to vehicle. (0 = front, 8 = centre, 15 = rear)
rubidium@8144: 	 * bit 4 - 5 = type of effect. (0 = default for engine class, 1 = steam, 2 = diesel, 3 = electric)
rubidium@8144: 	 * bit     6 = disable visual effect.
rubidium@8144: 	 * bit     7 = disable powered wagons.
rubidium@8144: 	 */
rubidium@8144: 	byte cached_vis_effect;
rubidium@8144: 	byte user_def_data;
rubidium@8144: 
rubidium@8144: 	/* NOSAVE: for wagon override - id of the first engine in train
rubidium@8144: 	 * 0xffff == not in train */
rubidium@8144: 	EngineID first_engine;
rubidium@8144: 
rubidium@8144: 	TrackBitsByte track;
rubidium@8144: 	byte force_proceed;
rubidium@8144: 	RailTypeByte railtype;
rubidium@8236: 	RailTypes compatible_railtypes;
rubidium@8144: 
rubidium@8144: 	byte flags;
rubidium@8144: 
rubidium@8144: 	/* Link between the two ends of a multiheaded engine */
rubidium@8144: 	Vehicle *other_multiheaded_part;
rubidium@8144: 
rubidium@8144: 	/* Cached wagon override spritegroup */
rubidium@8144: 	const struct SpriteGroup *cached_override;
rubidium@8144: };
rubidium@8144: 
rubidium@8144: enum {
rubidium@8144: 	VRF_REVERSING         = 0,
rubidium@8144: 
rubidium@8144: 	/* used to calculate if train is going up or down */
rubidium@8144: 	VRF_GOINGUP           = 1,
rubidium@8144: 	VRF_GOINGDOWN         = 2,
rubidium@8144: 
rubidium@8144: 	/* used to store if a wagon is powered or not */
rubidium@8144: 	VRF_POWEREDWAGON      = 3,
rubidium@8144: 
rubidium@8144: 	/* used to reverse the visible direction of the vehicle */
rubidium@8144: 	VRF_REVERSE_DIRECTION = 4,
rubidium@8144: 
rubidium@8144: 	/* used to mark train as lost because PF can't find the route */
rubidium@8144: 	VRF_NO_PATH_TO_DESTINATION = 5,
rubidium@8144: 
rubidium@8144: 	/* used to mark that electric train engine is allowed to run on normal rail */
rubidium@8144: 	VRF_EL_ENGINE_ALLOWED_NORMAL_RAIL = 6,
rubidium@8144: };
rubidium@8144: 
rubidium@8144: struct VehicleAir {
rubidium@8144: 	uint16 crashed_counter;
rubidium@8144: 	uint16 cached_max_speed;
rubidium@8144: 	byte pos;
rubidium@8144: 	byte previous_pos;
rubidium@8144: 	StationID targetairport;
rubidium@8144: 	byte state;
rubidium@8144: };
rubidium@8144: 
rubidium@8144: struct VehicleRoad {
rubidium@8144: 	byte state;             ///< @see RoadVehicleStates
rubidium@8144: 	byte frame;
rubidium@8144: 	uint16 blocked_ctr;
rubidium@8144: 	byte overtaking;
rubidium@8144: 	byte overtaking_ctr;
rubidium@8144: 	uint16 crashed_ctr;
rubidium@8144: 	byte reverse_ctr;
rubidium@8144: 	struct RoadStop *slot;
rubidium@8144: 	byte slot_age;
rubidium@8144: 	EngineID first_engine;
rubidium@8144: 	byte cached_veh_length;
rubidium@8144: 
rubidium@8144: 	RoadType roadtype;
rubidium@8144: 	RoadTypes compatible_roadtypes;
rubidium@8144: };
rubidium@8144: 
rubidium@8144: struct VehicleSpecial {
rubidium@8144: 	uint16 animation_state;
rubidium@8144: 	byte animation_substate;
rubidium@8144: };
rubidium@8144: 
rubidium@8144: struct VehicleDisaster {
rubidium@8144: 	uint16 image_override;
rubidium@8144: 	VehicleID big_ufo_destroyer_target;
rubidium@8144: };
rubidium@8144: 
rubidium@8144: struct VehicleShip {
rubidium@8144: 	TrackBitsByte state;
rubidium@8144: };
rubidium@8144: 
rubidium@8144: DECLARE_OLD_POOL(Vehicle, Vehicle, 9, 125)
rubidium@8144: 
rubidium@8144: /* Some declarations of functions, so we can make them friendly */
rubidium@8144: struct SaveLoad;
rubidium@8144: extern const SaveLoad *GetVehicleDescription(VehicleType vt);
peter1138@8172: extern void AfterLoadVehicles(bool clear_te_id);
rubidium@8144: struct LoadgameState;
rubidium@8144: extern bool LoadOldVehicle(LoadgameState *ls, int num);
rubidium@8144: 
rubidium@8144: struct Vehicle : PoolItem<Vehicle, VehicleID, &_Vehicle_pool>, BaseVehicle {
rubidium@8144: 	byte subtype;            // subtype (Filled with values from EffectVehicles/TrainSubTypes/AircraftSubTypes)
rubidium@8144: 
rubidium@8144: private:
rubidium@8144: 	Vehicle *next;           // pointer to the next vehicle in the chain
rubidium@8144: 	Vehicle *previous;       // NOSAVE: pointer to the previous vehicle in the chain
rubidium@8144: 	Vehicle *first;          // NOSAVE: pointer to the first vehicle in the chain
rubidium@8144: public:
rubidium@8144: 	friend const SaveLoad *GetVehicleDescription(VehicleType vt); // So we can use private/protected variables in the saveload code
peter1138@8172: 	friend void AfterLoadVehicles(bool clear_te_id);              // So we can set the previous and first pointers while loading
rubidium@8144: 	friend bool LoadOldVehicle(LoadgameState *ls, int num);       // So we can set the proper next pointer while loading
rubidium@8144: 
rubidium@8144: 	Vehicle *depot_list;     // NOSAVE: linked list to tell what vehicles entered a depot during the last tick. Used by autoreplace
rubidium@8144: 
peter1138@8258: 	char *name;              ///< Name of vehicle
rubidium@8144: 
rubidium@8144: 	UnitID unitnumber;       // unit number, for display purposes only
rubidium@8144: 	PlayerByte owner;        // which player owns the vehicle?
rubidium@8144: 
rubidium@8144: 	TileIndex tile;          // Current tile index
rubidium@8144: 	TileIndex dest_tile;     // Heading for this tile
rubidium@8144: 
rubidium@8144: 	int32 x_pos;             // coordinates
rubidium@8144: 	int32 y_pos;
rubidium@8144: 	byte z_pos;
rubidium@8144: 	DirectionByte direction; // facing
rubidium@8144: 
rubidium@8144: 	byte spritenum;          // currently displayed sprite index
rubidium@8144: 	                         // 0xfd == custom sprite, 0xfe == custom second head sprite
rubidium@8144: 	                         // 0xff == reserved for another custom sprite
rubidium@8144: 	uint16 cur_image;        // sprite number for this vehicle
rubidium@8144: 	byte sprite_width;       // width of vehicle sprite
rubidium@8144: 	byte sprite_height;      // height of vehicle sprite
rubidium@8144: 	byte z_height;           // z-height of vehicle sprite
rubidium@8144: 	int8 x_offs;             // x offset for vehicle sprite
rubidium@8144: 	int8 y_offs;             // y offset for vehicle sprite
rubidium@8144: 	EngineID engine_type;
rubidium@8144: 
rubidium@8144: 	TextEffectID fill_percent_te_id; // a text-effect id to a loading indicator object
rubidium@8144: 
rubidium@8144: 	/* for randomized variational spritegroups
rubidium@8144: 	 * bitmask used to resolve them; parts of it get reseeded when triggers
rubidium@8144: 	 * of corresponding spritegroups get matched */
rubidium@8144: 	byte random_bits;
rubidium@8144: 	byte waiting_triggers;   // triggers to be yet matched
rubidium@8144: 
rubidium@8144: 	uint16 max_speed;        // maximum speed
rubidium@8144: 	uint16 cur_speed;        // current speed
rubidium@8144: 	byte subspeed;           // fractional speed
rubidium@8144: 	byte acceleration;       // used by train & aircraft
rubidium@8144: 	byte progress;
rubidium@8144: 	uint32 motion_counter;
rubidium@8144: 
rubidium@8144: 	byte vehstatus;          // Status
rubidium@8144: 	StationID last_station_visited;
rubidium@8144: 
rubidium@8144: 	CargoID cargo_type;      // type of cargo this vehicle is carrying
rubidium@8144: 	uint16 cargo_cap;        // total capacity
rubidium@8144: 	byte cargo_subtype;      ///< Used for livery refits (NewGRF variations)
rubidium@8144: 	CargoList cargo;         ///< The cargo this vehicle is carrying
rubidium@8144: 
rubidium@8144: 
smatz@8556: 	byte day_counter;        ///< Increased by one for each day
smatz@8556: 	byte tick_counter;       ///< Increased by one for each tick
smatz@8556: 	byte running_ticks;      ///< Number of ticks this vehicle was not stopped this day
rubidium@8144: 
rubidium@8144: 	/* Begin Order-stuff */
rubidium@8144: 	Order current_order;     ///< The current order (+ status, like: loading)
rubidium@8144: 	VehicleOrderID cur_order_index; ///< The index to the current order
rubidium@8144: 
rubidium@8144: 	Order *orders;           ///< Pointer to the first order for this vehicle
rubidium@8144: 	VehicleOrderID num_orders;      ///< How many orders there are in the list
rubidium@8144: 
rubidium@8144: 	Vehicle *next_shared;    ///< If not NULL, this points to the next vehicle that shared the order
rubidium@8144: 	Vehicle *prev_shared;    ///< If not NULL, this points to the prev vehicle that shared the order
rubidium@8144: 	/* End Order-stuff */
rubidium@8144: 
rubidium@8144: 	/* Boundaries for the current position in the world and a next hash link.
rubidium@8144: 	 * NOSAVE: All of those can be updated with VehiclePositionChanged() */
rubidium@8144: 	int32 left_coord;
rubidium@8144: 	int32 top_coord;
rubidium@8144: 	int32 right_coord;
rubidium@8144: 	int32 bottom_coord;
rubidium@8144: 	Vehicle *next_hash;
rubidium@8144: 	Vehicle *next_new_hash;
rubidium@8144: 	Vehicle **old_new_hash;
rubidium@8144: 
rubidium@8144: 	/* Related to age and service time */
rubidium@8144: 	Date age;     // Age in days
rubidium@8144: 	Date max_age; // Maximum age
rubidium@8144: 	Date date_of_last_service;
rubidium@8144: 	Date service_interval;
rubidium@8144: 	uint16 reliability;
rubidium@8144: 	uint16 reliability_spd_dec;
rubidium@8144: 	byte breakdown_ctr;
rubidium@8144: 	byte breakdown_delay;
rubidium@8144: 	byte breakdowns_since_last_service;
rubidium@8144: 	byte breakdown_chance;
rubidium@8144: 	Year build_year;
rubidium@8144: 
rubidium@8144: 	bool leave_depot_instantly; // NOSAVE: stores if the vehicle needs to leave the depot it just entered. Used by autoreplace
rubidium@8144: 
rubidium@8144: 	uint16 load_unload_time_rem;
rubidium@8144: 	byte vehicle_flags;         // Used for gradual loading and other miscellaneous things (@see VehicleFlags enum)
rubidium@8144: 
smatz@8556: 	Money profit_this_year;        ///< Profit this year << 8, low 8 bits are fract
smatz@8556: 	Money profit_last_year;        ///< Profit last year << 8, low 8 bits are fract
rubidium@8144: 	Money value;
rubidium@8144: 
rubidium@8144: 	GroupID group_id;              ///< Index of group Pool array
rubidium@8144: 
rubidium@8144: 	/* Used for timetabling. */
rubidium@8144: 	uint32 current_order_time;     ///< How many ticks have passed since this order started.
rubidium@8144: 	int32 lateness_counter;        ///< How many ticks late (or early if negative) this vehicle is.
rubidium@8144: 
rubidium@8144: 	SpriteID colormap; // NOSAVE: cached color mapping
rubidium@8144: 
rubidium@8144: 	union {
rubidium@8144: 		VehicleRail rail;
rubidium@8144: 		VehicleAir air;
rubidium@8144: 		VehicleRoad road;
rubidium@8144: 		VehicleSpecial special;
rubidium@8144: 		VehicleDisaster disaster;
rubidium@8144: 		VehicleShip ship;
rubidium@8144: 	} u;
rubidium@8144: 
rubidium@8144: 
rubidium@8144: 	/**
rubidium@8144: 	 * Allocates a lot of vehicles.
rubidium@8144: 	 * @param vl pointer to an array of vehicles to get allocated. Can be NULL if the vehicles aren't needed (makes it test only)
rubidium@8144: 	 * @param num number of vehicles to allocate room for
rubidium@8144: 	 * @return true if there is room to allocate all the vehicles
rubidium@8144: 	 */
rubidium@8144: 	static bool AllocateList(Vehicle **vl, int num);
rubidium@8144: 
rubidium@8144: 	/** Create a new vehicle */
rubidium@8144: 	Vehicle();
rubidium@8144: 
rubidium@8144: 	/** Destroy all stuff that (still) needs the virtual functions to work properly */
rubidium@8144: 	void PreDestructor();
rubidium@8144: 	/** We want to 'destruct' the right class. */
rubidium@8144: 	virtual ~Vehicle();
rubidium@8144: 
rubidium@8144: 	void BeginLoading();
rubidium@8144: 	void LeaveStation();
rubidium@8144: 
rubidium@8144: 	/**
rubidium@8144: 	 * Handle the loading of the vehicle; when not it skips through dummy
rubidium@8144: 	 * orders and does nothing in all other cases.
rubidium@8144: 	 * @param mode is the non-first call for this vehicle in this tick?
rubidium@8144: 	 */
rubidium@8144: 	void HandleLoading(bool mode = false);
rubidium@8144: 
rubidium@8144: 	/**
rubidium@8144: 	 * Get a string 'representation' of the vehicle type.
rubidium@8144: 	 * @return the string representation.
rubidium@8144: 	 */
rubidium@8144: 	virtual const char* GetTypeString() const { return "base vehicle"; }
rubidium@8144: 
rubidium@8144: 	/**
rubidium@8144: 	 * Marks the vehicles to be redrawn and updates cached variables
rubidium@8144: 	 *
rubidium@8144: 	 * This method marks the area of the vehicle on the screen as dirty.
rubidium@8144: 	 * It can be use to repaint the vehicle.
rubidium@8144: 	 *
rubidium@8144: 	 * @ingroup dirty
rubidium@8144: 	 */
rubidium@8144: 	virtual void MarkDirty() {}
rubidium@8144: 
rubidium@8144: 	/**
rubidium@8144: 	 * Updates the x and y offsets and the size of the sprite used
rubidium@8144: 	 * for this vehicle.
rubidium@8144: 	 * @param direction the direction the vehicle is facing
rubidium@8144: 	 */
rubidium@8144: 	virtual void UpdateDeltaXY(Direction direction) {}
rubidium@8144: 
rubidium@8144: 	/**
rubidium@8144: 	 * Sets the expense type associated to this vehicle type
rubidium@8144: 	 * @param income whether this is income or (running) expenses of the vehicle
rubidium@8144: 	 */
rubidium@8144: 	virtual ExpensesType GetExpenseType(bool income) const { return EXPENSES_OTHER; }
rubidium@8144: 
rubidium@8144: 	/**
rubidium@8144: 	 * Invalidates the vehicle list window of this type of vehicle
rubidium@8144: 	 */
rubidium@8144: 	virtual WindowClass GetVehicleListWindowClass() const { return WC_NONE; }
rubidium@8144: 
rubidium@8144: 	/**
rubidium@8144: 	 * Play the sound associated with leaving the station
rubidium@8144: 	 */
rubidium@8144: 	virtual void PlayLeaveStationSound() const {}
rubidium@8144: 
rubidium@8144: 	/**
rubidium@8144: 	 * Whether this is the primary vehicle in the chain.
rubidium@8144: 	 */
rubidium@8144: 	virtual bool IsPrimaryVehicle() const { return false; }
rubidium@8144: 
rubidium@8144: 	/**
rubidium@8144: 	 * Gets the sprite to show for the given direction
rubidium@8144: 	 * @param direction the direction the vehicle is facing
rubidium@8144: 	 * @return the sprite for the given vehicle in the given direction
rubidium@8144: 	 */
rubidium@8144: 	virtual int GetImage(Direction direction) const { return 0; }
rubidium@8144: 
rubidium@8144: 	/**
rubidium@8144: 	 * Gets the speed in mph that can be sent into SetDParam for string processing.
rubidium@8144: 	 * @return the vehicle's speed
rubidium@8144: 	 */
rubidium@8144: 	virtual int GetDisplaySpeed() const { return 0; }
rubidium@8144: 
rubidium@8144: 	/**
rubidium@8144: 	 * Gets the maximum speed in mph that can be sent into SetDParam for string processing.
rubidium@8144: 	 * @return the vehicle's maximum speed
rubidium@8144: 	 */
rubidium@8144: 	virtual int GetDisplayMaxSpeed() const { return 0; }
rubidium@8144: 
rubidium@8144: 	/**
rubidium@8144: 	 * Gets the running cost of a vehicle
rubidium@8144: 	 * @return the vehicle's running cost
rubidium@8144: 	 */
rubidium@8144: 	virtual Money GetRunningCost() const { return 0; }
rubidium@8144: 
rubidium@8144: 	/**
rubidium@8144: 	 * Check whether the vehicle is in the depot.
rubidium@8144: 	 * @return true if and only if the vehicle is in the depot.
rubidium@8144: 	 */
rubidium@8144: 	virtual bool IsInDepot() const { return false; }
rubidium@8144: 
rubidium@8144: 	/**
rubidium@8144: 	 * Check whether the vehicle is in the depot *and* stopped.
rubidium@8144: 	 * @return true if and only if the vehicle is in the depot and stopped.
rubidium@8144: 	 */
rubidium@8144: 	virtual bool IsStoppedInDepot() const { return this->IsInDepot() && (this->vehstatus & VS_STOPPED) != 0; }
rubidium@8144: 
rubidium@8144: 	/**
rubidium@8144: 	 * Calls the tick handler of the vehicle
rubidium@8144: 	 */
rubidium@8144: 	virtual void Tick() {};
rubidium@8144: 
rubidium@8144: 	/**
glx@8467: 	 * Calls the new day handler of the vehicle
glx@8467: 	 */
glx@8467: 	virtual void OnNewDay() {};
glx@8467: 
glx@8467: 	/**
rubidium@8144: 	 * Gets the running cost of a vehicle  that can be sent into SetDParam for string processing.
rubidium@8144: 	 * @return the vehicle's running cost
rubidium@8144: 	 */
rubidium@8144: 	Money GetDisplayRunningCost() const { return (this->GetRunningCost() >> 8); }
rubidium@8144: 
rubidium@8144: 	/**
rubidium@8144: 	 * Set the next vehicle of this vehicle.
rubidium@8144: 	 * @param next the next vehicle. NULL removes the next vehicle.
rubidium@8144: 	 */
rubidium@8144: 	void SetNext(Vehicle *next);
rubidium@8144: 
rubidium@8144: 	/**
rubidium@8144: 	 * Get the next vehicle of this vehicle.
rubidium@8144: 	 * @note articulated parts are also counted as vehicles.
rubidium@8144: 	 * @return the next vehicle or NULL when there isn't a next vehicle.
rubidium@8144: 	 */
rubidium@8144: 	inline Vehicle *Next() const { return this->next; }
rubidium@8144: 
rubidium@8144: 	/**
rubidium@8144: 	 * Get the previous vehicle of this vehicle.
rubidium@8144: 	 * @note articulated parts are also counted as vehicles.
rubidium@8144: 	 * @return the previous vehicle or NULL when there isn't a previous vehicle.
rubidium@8144: 	 */
rubidium@8144: 	inline Vehicle *Previous() const { return this->previous; }
rubidium@8144: 
rubidium@8144: 	/**
rubidium@8144: 	 * Get the first vehicle of this vehicle chain.
rubidium@8144: 	 * @return the first vehicle of the chain.
rubidium@8144: 	 */
rubidium@8144: 	inline Vehicle *First() const { return this->first; }
belugas@8469: 
belugas@8469: 	/**
belugas@8469: 	 * Check if we share our orders with another vehicle.
belugas@8469: 	 * This is done by checking the previous and next pointers in the shared chain.
belugas@8469: 	 * @return true if there are other vehicles sharing the same order
belugas@8469: 	 */
belugas@8469: 	inline bool IsOrderListShared() const { return this->next_shared != NULL || this->prev_shared != NULL; };
rubidium@8144: };
rubidium@8144: 
rubidium@8144: /**
rubidium@8144:  * This class 'wraps' Vehicle; you do not actually instantiate this class.
rubidium@8144:  * You create a Vehicle using AllocateVehicle, so it is added to the pool
rubidium@8144:  * and you reinitialize that to a Train using:
rubidium@8144:  *   v = new (v) Train();
rubidium@8144:  *
rubidium@8144:  * As side-effect the vehicle type is set correctly.
rubidium@8144:  *
rubidium@8144:  * A special vehicle is one of the following:
rubidium@8144:  *  - smoke
rubidium@8144:  *  - electric sparks for trains
rubidium@8144:  *  - explosions
rubidium@8144:  *  - bulldozer (road works)
rubidium@8144:  *  - bubbles (industry)
rubidium@8144:  */
rubidium@8144: struct SpecialVehicle : public Vehicle {
rubidium@8144: 	/** Initializes the Vehicle to a special vehicle */
rubidium@8144: 	SpecialVehicle() { this->type = VEH_SPECIAL; }
rubidium@8144: 
rubidium@8144: 	/** We want to 'destruct' the right class. */
rubidium@8144: 	virtual ~SpecialVehicle() {}
rubidium@8144: 
rubidium@8144: 	const char *GetTypeString() const { return "special vehicle"; }
rubidium@8144: 	void UpdateDeltaXY(Direction direction);
rubidium@8144: 	void Tick();
rubidium@8144: };
rubidium@8144: 
rubidium@8144: /**
rubidium@8144:  * This class 'wraps' Vehicle; you do not actually instantiate this class.
rubidium@8144:  * You create a Vehicle using AllocateVehicle, so it is added to the pool
rubidium@8144:  * and you reinitialize that to a Train using:
rubidium@8144:  *   v = new (v) Train();
rubidium@8144:  *
rubidium@8144:  * As side-effect the vehicle type is set correctly.
rubidium@8144:  */
rubidium@8144: struct DisasterVehicle : public Vehicle {
rubidium@8144: 	/** Initializes the Vehicle to a disaster vehicle */
rubidium@8144: 	DisasterVehicle() { this->type = VEH_DISASTER; }
rubidium@8144: 
rubidium@8144: 	/** We want to 'destruct' the right class. */
rubidium@8144: 	virtual ~DisasterVehicle() {}
rubidium@8144: 
rubidium@8144: 	const char *GetTypeString() const { return "disaster vehicle"; }
rubidium@8144: 	void UpdateDeltaXY(Direction direction);
rubidium@8144: 	void Tick();
rubidium@8144: };
rubidium@8144: 
rubidium@8144: /**
rubidium@8144:  * This class 'wraps' Vehicle; you do not actually instantiate this class.
rubidium@8144:  * You create a Vehicle using AllocateVehicle, so it is added to the pool
rubidium@8144:  * and you reinitialize that to a Train using:
rubidium@8144:  *   v = new (v) Train();
rubidium@8144:  *
rubidium@8144:  * As side-effect the vehicle type is set correctly.
rubidium@8144:  */
rubidium@8144: struct InvalidVehicle : public Vehicle {
rubidium@8144: 	/** Initializes the Vehicle to a invalid vehicle */
rubidium@8144: 	InvalidVehicle() { this->type = VEH_INVALID; }
rubidium@8144: 
rubidium@8144: 	/** We want to 'destruct' the right class. */
rubidium@8144: 	virtual ~InvalidVehicle() {}
rubidium@8144: 
rubidium@8144: 	const char *GetTypeString() const { return "invalid vehicle"; }
rubidium@8144: 	void Tick() {}
rubidium@8144: };
rubidium@8144: 
rubidium@8144: #define BEGIN_ENUM_WAGONS(v) do {
rubidium@8144: #define END_ENUM_WAGONS(v) } while ((v = v->Next()) != NULL);
rubidium@8144: 
rubidium@8144: static inline VehicleID GetMaxVehicleIndex()
rubidium@8144: {
rubidium@8144: 	/* TODO - This isn't the real content of the function, but
rubidium@8144: 	 *  with the new pool-system this will be replaced with one that
rubidium@8144: 	 *  _really_ returns the highest index. Now it just returns
rubidium@8144: 	 *  the next safe value we are sure about everything is below.
rubidium@8144: 	 */
rubidium@8144: 	return GetVehiclePoolSize() - 1;
rubidium@8144: }
rubidium@8144: 
rubidium@8144: static inline uint GetNumVehicles()
rubidium@8144: {
rubidium@8144: 	return GetVehiclePoolSize();
rubidium@8144: }
rubidium@8144: 
rubidium@8144: #define FOR_ALL_VEHICLES_FROM(v, start) for (v = GetVehicle(start); v != NULL; v = (v->index + 1U < GetVehiclePoolSize()) ? GetVehicle(v->index + 1) : NULL) if (v->IsValid())
rubidium@8144: #define FOR_ALL_VEHICLES(v) FOR_ALL_VEHICLES_FROM(v, 0)
rubidium@8144: 
rubidium@8144: /**
rubidium@8144:  * Check if an index is a vehicle-index (so between 0 and max-vehicles)
rubidium@8144:  * @param index of the vehicle to query
rubidium@8144:  * @return Returns true if the vehicle-id is in range
rubidium@8144:  */
rubidium@8144: static inline bool IsValidVehicleID(uint index)
rubidium@8144: {
rubidium@8144: 	return index < GetVehiclePoolSize() && GetVehicle(index)->IsValid();
rubidium@8144: }
rubidium@8144: 
rubidium@8144: /* Returns order 'index' of a vehicle or NULL when it doesn't exists */
rubidium@8144: static inline Order *GetVehicleOrder(const Vehicle *v, int index)
rubidium@8144: {
rubidium@8144: 	Order *order = v->orders;
rubidium@8144: 
rubidium@8144: 	if (index < 0) return NULL;
rubidium@8144: 
rubidium@8144: 	while (order != NULL && index-- > 0)
rubidium@8144: 		order = order->next;
rubidium@8144: 
rubidium@8144: 	return order;
rubidium@8144: }
rubidium@8144: 
rubidium@8144: /**
rubidium@8144:  * Returns the last order of a vehicle, or NULL if it doesn't exists
rubidium@8144:  * @param v Vehicle to query
rubidium@8144:  * @return last order of a vehicle, if available
rubidium@8144:  */
rubidium@8144: static inline Order *GetLastVehicleOrder(const Vehicle *v)
rubidium@8144: {
rubidium@8144: 	Order *order = v->orders;
rubidium@8144: 
rubidium@8144: 	if (order == NULL) return NULL;
rubidium@8144: 
rubidium@8144: 	while (order->next != NULL)
rubidium@8144: 		order = order->next;
rubidium@8144: 
rubidium@8144: 	return order;
rubidium@8144: }
rubidium@8144: 
rubidium@8144: /** Get the first vehicle of a shared-list, so we only have to walk forwards
rubidium@8144:  * @param v Vehicle to query
rubidium@8144:  * @return first vehicle of a shared-list
rubidium@8144:  */
rubidium@8144: static inline Vehicle *GetFirstVehicleFromSharedList(const Vehicle *v)
rubidium@8144: {
rubidium@8144: 	Vehicle *u = (Vehicle *)v;
rubidium@8144: 	while (u->prev_shared != NULL) u = u->prev_shared;
rubidium@8144: 
rubidium@8144: 	return u;
rubidium@8144: }
rubidium@8144: 
rubidium@8144: /**
rubidium@8144:  * Returns the Trackdir on which the vehicle is currently located.
rubidium@8144:  * Works for trains and ships.
rubidium@8144:  * Currently works only sortof for road vehicles, since they have a fuzzy
rubidium@8144:  * concept of being "on" a trackdir. Dunno really what it returns for a road
rubidium@8144:  * vehicle that is halfway a tile, never really understood that part. For road
rubidium@8144:  * vehicles that are at the beginning or end of the tile, should just return
rubidium@8144:  * the diagonal trackdir on which they are driving. I _think_.
rubidium@8144:  * For other vehicles types, or vehicles with no clear trackdir (such as those
rubidium@8144:  * in depots), returns 0xFF.
rubidium@8144:  */
rubidium@8144: Trackdir GetVehicleTrackdir(const Vehicle* v);
rubidium@8144: 
rubidium@8144: void CheckVehicle32Day(Vehicle *v);
rubidium@8144: 
rubidium@8144: #endif /* VEHICLE_BASE_H */