Vehicle.h

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/*
 * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
 *
 * This program 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; either version 2 of the License, or (at your
 * option) any later version.
 *
 * This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef __TRINITY_VEHICLE_H
#define __TRINITY_VEHICLE_H
 
#include "ObjectDefines.h"
#include "Object.h"
#include "UniqueTrackablePtr.h"
#include "Unit.h"
#include "VehicleDefines.h"
#include <list>
 
struct VehicleEntry;
class Unit;
class VehicleJoinEvent;
 
class TC_GAME_API Vehicle : public TransportBase
{
    public:
        Vehicle(Unit* unit, VehicleEntry const* vehInfo, uint32 creatureEntry);
        ~Vehicle();
 
        void Install();
        void Uninstall();
        void Reset(bool evading = false);
        void InstallAllAccessories(bool evading);
        void ApplyAllImmunities();
        void InstallAccessory(uint32 entry, int8 seatId, bool minion, uint8 type, uint32 summonTime);   
 
        Unit* GetBase() const { return _me; }
        VehicleEntry const* GetVehicleInfo() const { return _vehicleInfo; }
        uint32 GetCreatureEntry() const { return _creatureEntry; }
 
        bool HasEmptySeat(int8 seatId) const;
        Unit* GetPassenger(int8 seatId) const;
        SeatMap::const_iterator GetNextEmptySeat(int8 seatId, bool next) const;
        VehicleSeatAddon const* GetSeatAddonForSeatOfPassenger(Unit const* passenger) const;
        uint8 GetAvailableSeatCount() const;
 
        bool AddPassenger(Unit* passenger, int8 seatId = -1);
        void EjectPassenger(Unit* passenger, Unit* controller);
        Vehicle* RemovePassenger(Unit* passenger);
        void RelocatePassengers();
        void RemoveAllPassengers();
        bool IsVehicleInUse() const;
        bool IsControllableVehicle() const;
 
        SeatMap Seats;                                      
 
        VehicleSeatEntry const* GetSeatForPassenger(Unit const* passenger) const;
 
        void RemovePendingEventsForPassenger(Unit* passenger);
 
        Milliseconds GetDespawnDelay();
 
        std::string GetDebugInfo() const;
 
        Trinity::unique_weak_ptr<Vehicle> GetWeakPtr() const;
 
    protected:
        friend class VehicleJoinEvent;
        uint32 UsableSeatNum;                               
 
    private:
        enum Status
        {
            STATUS_NONE,
            STATUS_INSTALLED,
            STATUS_UNINSTALLING,
        };
 
        SeatMap::iterator GetSeatIteratorForPassenger(Unit* passenger);
        void InitMovementInfoForBase();
 
        void CalculatePassengerPosition(float& x, float& y, float& z, float* o /*= nullptr*/) const override
        {
            TransportBase::CalculatePassengerPosition(x, y, z, o,
                GetBase()->GetPositionX(), GetBase()->GetPositionY(),
                GetBase()->GetPositionZ(), GetBase()->GetOrientation());
        }
 
        void CalculatePassengerOffset(float& x, float& y, float& z, float* o /*= nullptr*/) const override
        {
            TransportBase::CalculatePassengerOffset(x, y, z, o,
                GetBase()->GetPositionX(), GetBase()->GetPositionY(),
                GetBase()->GetPositionZ(), GetBase()->GetOrientation());
        }
 
        void RemovePendingEvent(VehicleJoinEvent* e);
        void RemovePendingEventsForSeat(int8 seatId);
 
        bool HasPendingEventForSeat(int8 seatId) const;
 
    private:
        Unit* _me;                                          
        VehicleEntry const* _vehicleInfo;                   
        GuidSet vehiclePlayers;
 
        uint32 _creatureEntry;                              
        Status _status;                                     
 
        typedef std::list<VehicleJoinEvent*> PendingJoinEventContainer;
        PendingJoinEventContainer _pendingJoinEvents;       
};
 
class TC_GAME_API VehicleJoinEvent : public BasicEvent
{
    friend class Vehicle;
    protected:
        VehicleJoinEvent(Vehicle* v, Unit* u) : Target(v), Passenger(u), Seat(Target->Seats.end()) { }
        bool Execute(uint64, uint32) override;
        void Abort(uint64) override;
 
        Vehicle* Target;
        Unit* Passenger;
        SeatMap::iterator Seat;
};
 
#endif