FormationMovementGenerator.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_FORMATIONMOVEMENTGENERATOR_H
#define TRINITY_FORMATIONMOVEMENTGENERATOR_H
 
#include "AbstractFollower.h"
#include "MovementGenerator.h"
#include "Position.h"
#include "Timer.h"
 
class Creature;
 
class FormationMovementGenerator : public MovementGeneratorMedium<Creature, FormationMovementGenerator>, public AbstractFollower
{
    public:
        explicit FormationMovementGenerator(Unit* leader, float range, float angle, uint32 point1, uint32 point2);
 
        MovementGeneratorType GetMovementGeneratorType() const override;
 
        void DoInitialize(Creature*);
        void DoReset(Creature*);
        bool DoUpdate(Creature*, uint32);
        void DoDeactivate(Creature*);
        void DoFinalize(Creature*, bool, bool);
 
    private:
        void MovementInform(Creature*);
        void LaunchMovement(Creature* owner, Unit* target);
 
        static constexpr uint32 FORMATION_MOVEMENT_INTERVAL = 1200; // sniffed (3 batch update cycles)
        float const _range;
        float _angle;
        uint32 const _point1;
        uint32 const _point2;
        uint32 _lastLeaderSplineID;
        bool _hasPredictedDestination;
 
        Position _lastLeaderPosition;
        TimeTracker _nextMoveTimer;
};
 
#endif // TRINITY_FORMATIONMOVEMENTGENERATOR_H