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122 lines
4.6 KiB
C++
122 lines
4.6 KiB
C++
/*
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* Copyright (C) 2005-2011 MaNGOS <http://getmangos.com/>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef MANGOS_TARGETEDMOVEMENTGENERATOR_H
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#define MANGOS_TARGETEDMOVEMENTGENERATOR_H
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#include "MovementGenerator.h"
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#include "DestinationHolder.h"
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#include "Traveller.h"
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#include "FollowerReference.h"
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class MANGOS_DLL_SPEC TargetedMovementGeneratorBase
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{
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public:
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TargetedMovementGeneratorBase(Unit &target) { i_target.link(&target, this); }
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void stopFollowing() { }
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protected:
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FollowerReference i_target;
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};
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template<class T, typename D>
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class MANGOS_DLL_SPEC TargetedMovementGeneratorMedium
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: public MovementGeneratorMedium< T, D >, public TargetedMovementGeneratorBase
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{
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protected:
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TargetedMovementGeneratorMedium()
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: TargetedMovementGeneratorBase(), i_offset(0), i_angle(0), i_recalculateTravel(false) {}
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TargetedMovementGeneratorMedium(Unit &target)
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: TargetedMovementGeneratorBase(target), i_offset(0), i_angle(0), i_recalculateTravel(false) {}
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TargetedMovementGeneratorMedium(Unit &target, float offset, float angle)
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: TargetedMovementGeneratorBase(target), i_offset(offset), i_angle(angle), i_recalculateTravel(false) {}
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~TargetedMovementGeneratorMedium() {}
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public:
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bool Update(T &, const uint32 &);
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Unit* GetTarget() const { return i_target.getTarget(); }
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bool GetDestination(float &x, float &y, float &z) const
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{
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if(!i_destinationHolder.HasDestination()) return false;
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i_destinationHolder.GetDestination(x,y,z);
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return true;
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}
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void unitSpeedChanged() { i_recalculateTravel=true; }
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void UpdateFinalDistance(float fDistance);
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protected:
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void _setTargetLocation(T &);
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float i_offset;
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float i_angle;
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DestinationHolder< Traveller<T> > i_destinationHolder;
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bool i_recalculateTravel;
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};
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template<class T>
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class MANGOS_DLL_SPEC ChaseMovementGenerator : public TargetedMovementGeneratorMedium<T, ChaseMovementGenerator<T> >
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{
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public:
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ChaseMovementGenerator(Unit &target)
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: TargetedMovementGeneratorMedium<T, ChaseMovementGenerator<T> >(target) {}
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ChaseMovementGenerator(Unit &target, float offset, float angle)
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: TargetedMovementGeneratorMedium<T, ChaseMovementGenerator<T> >(target, offset, angle) {}
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~ChaseMovementGenerator() {}
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MovementGeneratorType GetMovementGeneratorType() const { return CHASE_MOTION_TYPE; }
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void Initialize(T &);
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void Finalize(T &);
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void Interrupt(T &);
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void Reset(T &);
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static void _clearUnitStateMove(T &u) { u.clearUnitState(UNIT_STAT_CHASE_MOVE); }
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static void _addUnitStateMove(T &u) { u.addUnitState(UNIT_STAT_CHASE_MOVE); }
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bool _lostTarget(T &u) const { return u.getVictim() != this->GetTarget(); }
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void _reachTarget(T &);
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};
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template<class T>
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class MANGOS_DLL_SPEC FollowMovementGenerator : public TargetedMovementGeneratorMedium<T, FollowMovementGenerator<T> >
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{
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public:
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FollowMovementGenerator(Unit &target)
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: TargetedMovementGeneratorMedium<T, FollowMovementGenerator<T> >(target){}
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FollowMovementGenerator(Unit &target, float offset, float angle)
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: TargetedMovementGeneratorMedium<T, FollowMovementGenerator<T> >(target, offset, angle) {}
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~FollowMovementGenerator() {}
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MovementGeneratorType GetMovementGeneratorType() const { return FOLLOW_MOTION_TYPE; }
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void Initialize(T &);
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void Finalize(T &);
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void Interrupt(T &);
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void Reset(T &);
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static void _clearUnitStateMove(T &u) { u.clearUnitState(UNIT_STAT_FOLLOW_MOVE); }
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static void _addUnitStateMove(T &u) { u.addUnitState(UNIT_STAT_FOLLOW_MOVE); }
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bool _lostTarget(T &) const { return false; }
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void _reachTarget(T &) {}
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private:
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void _updateWalkMode(T &u);
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void _updateSpeed(T &u);
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};
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#endif
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