GenericMovementGenerator.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_GENERICMOVEMENTGENERATOR_H
#define TRINITY_GENERICMOVEMENTGENERATOR_H
 
#include "MovementGenerator.h"
#include "MoveSplineInit.h"
#include "Timer.h"
#include <functional>
 
class Unit;
 
enum MovementGeneratorType : uint8;
 
struct GenericMovementGeneratorArgs
{
    Optional<uint32> ArrivalSpellId;
    Optional<ObjectGuid> ArrivalSpellTarget;
    Optional<Milliseconds> Duration;
    Scripting::v2::ActionResultSetter<MovementStopReason> ScriptResult;
};
 
class GenericMovementGenerator : public MovementGenerator
{
    public:
        explicit GenericMovementGenerator(std::function<void(Movement::MoveSplineInit& init)>&& initializer, MovementGeneratorType type, uint32 id,
            GenericMovementGeneratorArgs&& args = {});
 
        bool Initialize(Unit*) override;
        bool Reset(Unit*) override;
        bool Update(Unit*, uint32) override;
        void Deactivate(Unit*) override;
        void Finalize(Unit*, bool, bool) override;
        MovementGeneratorType GetMovementGeneratorType() const override { return _type; }
 
    private:
        void MovementInform(Unit*);
 
        std::function<void(Movement::MoveSplineInit& init)> _splineInit;
        MovementGeneratorType _type;
        uint32 _pointId;
        Optional<TimeTracker> _duration;
        bool _durationTracksSpline;
 
        uint32 _arrivalSpellId;
        ObjectGuid _arrivalSpellTargetGuid;
};
 
class ImmediateMovementGenerator : public MovementGenerator
{
public:
    explicit ImmediateMovementGenerator(std::function<void(Movement::MoveSplineInit& init)>&& initializer, MovementGeneratorType type, uint32 id);
 
    bool Initialize(Unit* owner) override;
 
    bool Reset(Unit* /*owner*/) override { return true; }
    bool Update(Unit* /*owner*/, uint32 /*diff*/) override { return true; }
    void Deactivate(Unit* /*owner*/) override { }
    void Finalize(Unit* owner, bool active, bool movementInform) override;
    MovementGeneratorType GetMovementGeneratorType() const override { return _type; }
 
private:
    std::function<void(Movement::MoveSplineInit& init)> _splineInit;
    MovementGeneratorType _type;
    uint32 _pointId;
};
 
#endif