SplineChainMovementGenerator.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_SPLINECHAINMOVEMENTGENERATOR_H
#define TRINITY_SPLINECHAINMOVEMENTGENERATOR_H
 
#include "SplineChain.h"
#include "MovementGenerator.h"
#include "Optional.h"
#include <vector>
 
class Unit;
 
class TC_GAME_API SplineChainMovementGenerator : public MovementGenerator
{
 public:
 explicit SplineChainMovementGenerator(uint32 id, std::vector<SplineChainLink> const& chain, bool walk = false);
 explicit SplineChainMovementGenerator(SplineChainResumeInfo const& info);
 
 void Initialize(Unit*) override;
 void Reset(Unit*) override;
 bool Update(Unit*, uint32) override;
 void Deactivate(Unit*) override;
 void Finalize(Unit*, bool, bool) override;
 MovementGeneratorType GetMovementGeneratorType() const override;
 
 // Builds info that can later be used to resume this spline chain movement at the current position
 static void GetResumeInfo(SplineChainResumeInfo& info, Unit const* owner, Optional<uint32> id = {});
 // Leaving the object method public for people that know what they're doing to use
 // But really, 99% of the time you should be using the static one instead
 SplineChainResumeInfo GetResumeInfo(Unit const* owner) const;
 uint32 GetId() const { return _id; }
 
 private:
 void SendSplineFor(Unit* owner, uint32 index, uint32& duration);
 uint32 SendPathSpline(Unit* owner, float velocity, Movement::PointsArray const& path) const;
 
 uint32 const _id;
 std::vector<SplineChainLink> const& _chain;
 uint8 const _chainSize;
 bool const _walk;
 uint8 _nextIndex;
 uint8 _nextFirstWP; // only used for resuming
 uint32 _msToNext;
};
 
#endif