ActionpointController.h

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/*
 *   ORXONOX - the hottest 3D action shooter ever to exist
 *                    > www.orxonox.net <
 *
 *
 *   License notice:
 *
 *   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, write to the Free Software
 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 *   Author:
 *      Gani Aliguzhinov
 *   Co-authors:
 *      ...
 *
 */

#ifndef _ActionpointController_H__
#define _ActionpointController_H__

#include "controllers/FightingController.h"
#include "tools/Timer.h"
#include "tools/interfaces/Tickable.h"
#include <map>

namespace orxonox
{
    enum class Action
    {  
        NONE, FLY, FIGHT, PROTECT, FIGHTALL, ATTACK
    };
    
    struct Point {
        Action action;
        std::string name;
        Vector3 position;
        bool inLoop;
    };

    class _OrxonoxExport ActionpointController : public FightingController, public Tickable
    {
        public:
           
            ActionpointController(Context* context);
            virtual ~ActionpointController();
            virtual void XMLPort(Element& xmlelement, XMLPort::Mode mode) override;
               
            virtual void tick(float dt) override;
            void addActionpoint(WorldEntity* actionpoint); 
            WorldEntity* getActionpoint(unsigned int index) const;    
            void setDefaultFightAll(bool value)
                { this->bDefaultFightAll_ = value; }
            bool getDefaultFightAll ()
                { return this->bDefaultFightAll_; }
            void setDefaultPatrol(bool value)
                { this->bDefaultPatrol_ = value; }
            bool getDefaultPatrol ()
                { return this->bDefaultPatrol_; }
               

            virtual void stayNearProtect();
            virtual void action(); //<! action() is called in regular intervals managing the bot's behaviour. Only gets called by MasterController
            virtual void takeActionpoints (const std::vector<Point>& vector, const std::vector<Point>& loop, bool b);

            virtual Action getAction ();
            virtual std::string getActionName();

            void setAction (Action action);
            void setAction (Action action, ControllableEntity* target);
            void setAction (Action action, const Vector3& target);
            void setAction (Action action, const Vector3& target,  const Quaternion& orient );

            virtual bool setWingman(ActionpointController* wingman)
                { return false; }
            virtual bool hasWingman()
                { return true; }
            virtual bool setFollower(ActionpointController* myFollower)
                { return false; }
            virtual bool hasFollower()
                { return true; }


        protected:
                void startAttackingEnemiesThatAreClose();
                WeakPtr<ActionpointController> myWingman_;
                WeakPtr<ActionpointController> myFollower_;
                WeakPtr<ActionpointController> myDivisionLeader_;
            //----[Actionpoint information]----
                Action action_;
                std::string protectName_;
                std::string targetName_;
                std::vector<WeakPtr<WorldEntity>> actionpoints_;
                float squaredaccuracy_;
                std::vector<Point> parsedActionpoints_; //<! actionpoints as they are stored here after being parsed from XML
                std::vector<Point> loopActionpoints_;   //<! actionpoints that are to be looped
                bool bInLoop_;                          //<! variable for addActionpoint method
                bool bLoop_;                            //<! is state machine looping?
                bool bEndLoop_;                         //<! variable for addActionpoint method
                bool bTakenOver_;                       //<! are actionpoints taken over from the leader when he died? if yes, top actionpoint 
                                                        //<! is to be executed for the state machine to start working
            //----[/Actionpoint information]----
                void setProtect (ControllableEntity* protect);
                ControllableEntity* getProtect (); 
                WeakPtr<ControllableEntity> protect_;   //<! entity that is to be protected if this->action_ == Action::PROTECT
                void fillLoop();                        //<! moves actionpoints that are should be in loop from parsedActionpoints_ to loopActionpoints_
                void fillLoopReversed();
                void moveBackToTop();                   //<! analog of removing back actionpoint for loopActionpoints_: instead of removing it, 
                                                        //<! move it to the top, so that it will be executed later on.
                void setClosestTarget();
                Pawn* closestTarget();
            //----[Actionpoint methods]----
                void executeActionpoint();  
                void nextActionpoint();                 
            //----[Actionpoint methods]----          

                bool bDefaultFightAll_;     //<! if true, when no action set, this will fight all

                bool bPatrolling_;        //<! true if current action_ is FIGHT because this found enemies that are close, need this to correctly go back to looping if was looping
                bool bDefaultPatrol_;       //<! if true, this will look out for enemies that are close if this is just flying or doing nothing
                unsigned int ticks_;     //<! local tick counter            
    };
}

#endif /* _ActionpointController_H__ */