/*
 *   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:
 *      Martin Polak
 *      Fabian 'x3n' Landau
 *   Co-authors:
 *      Johannes Sager
 *
 */

#ifndef _WeaponMode_H__
#define _WeaponMode_H__

#include "OrxonoxPrereqs.h"

#include <string>
#include <vector>
#include "util/Math.h"
#include "core/BaseObject.h"
#include "core/class/SubclassIdentifier.h"
#include "tools/Timer.h"
#include "Munition.h"

namespace orxonox
{
    /**
    @brief
        A WeaponMode defines how a Weapon is used. It specifies what kind of
        @ref orxonox::Projectile is created when you fire it, how much time it takes to reload,
        what sound you hear while shooting, how much damage the projectile deals to a target, ...
    */
    class _OrxonoxExport WeaponMode : public BaseObject
    {
        public:
            WeaponMode(Context* context);
            virtual ~WeaponMode();

            virtual void XMLPort(Element& xmlelement, XMLPort::Mode mode) override;

            virtual bool push(float* reloadTime);
            virtual bool release(float* reloadTime);
            virtual bool fire(float* reloadTime);
            bool reload();

            // Munition
            inline Munition* getMunition() const
                { return this->munition_; }

            void setMunitionType(Identifier* identifier);
            inline Identifier* getMunitionType() const
                { return this->munitiontype_; }

            void setMunitionName(const std::string& munitionname);
            inline const std::string& getMunitionName() const
                { return this->munitionname_; }

            inline void setInitialMunition(unsigned int amount)
                { this->initialMunition_ = amount; }
            inline unsigned int getInitialMunition() const
                { return this->initialMunition_; }

            inline void setInitialMagazines(unsigned int amount)
                { this->initialMagazines_ = amount; }
            inline unsigned int getInitialMagazines() const
                { return this->initialMagazines_; }

            inline void setMunitionPerShot(unsigned int amount)
                { this->munitionPerShot_ = amount; }
            inline unsigned int getMunitionPerShot() const
                { return this->munitionPerShot_; }


            // Reloading
            inline void setReloadTime(float time)
                { this->reloadTime_ = time; }
            inline float getReloadTime() const
                { return this->reloadTime_; }

            inline void setAutoReload(bool autoreload)
                { this->bAutoReload_ = autoreload; }
            inline bool getAutoReload() const
                { return this->bAutoReload_; }

            inline void setParallelReload(bool parallelreload)
                { this->bParallelReload_ = parallelreload; }
            inline bool getParallelReload() const
                { return this->bParallelReload_; }
            inline bool getReloading() const
                { return this->bReloading_; }


            // Fire
            inline unsigned int getMaxCharges()                 // get the maximum of charges one can have
                { return this->maxCharges_;}
            inline unsigned int getCharges()                    // get the current amount of charges
                { return this->charges_;}
            inline bool isChargeable()                          // returns if the weaponmode is chargeable
                { return this->chargeable_;}
            inline void setDamage(float damage)
                { this->damage_ = damage;}
            inline float getDamage() const
                { return this->damage_; }
            inline void setHealthDamage(float healthdamage)
                { this->healthdamage_ = healthdamage; }
            inline float getHealthDamage() const
                { return this->healthdamage_; }

            inline void setShieldDamage(float shielddamage)
                { this->shielddamage_ = shielddamage;}
            inline float getShieldDamage() const
                { return this->shielddamage_; }

            inline void setMuzzleOffset(const Vector3& offset)
                { this->muzzleOffset_ = offset; }
            inline const Vector3& getMuzzleOffset() const
                { return this->muzzleOffset_; }

            void computeMuzzleParameters(const Vector3& target);
            const Vector3& getMuzzlePosition() const
                { return this->muzzlePosition_; }
            const Quaternion& getMuzzleOrientation() const
                { return this->muzzleOrientation_; }
            Vector3 getMuzzleDirection() const;


            // Weapon
            inline void setWeapon(Weapon* weapon)
                { this->weapon_ = weapon; this->updateMunition(); }
            inline Weapon* getWeapon() const
                { return this->weapon_; }

            inline void setMode(unsigned int mode)
                { this->mode_ = mode; }
            inline unsigned int getMode() const
                { return this->mode_; }

            Vector3 getTarget();

            inline const std::string& getHUDImageString() const
                { return this->hudImageString_; }            

            void updateMunition();
        protected:
            // Interacting with the firing sound
            void setFireSound(const std::string& soundPath, const float soundVolume = 1.0);
            const std::string& getFireSound();
            void playFireSound();

            // Interacting with the reloading sound
            void setReloadSound(const std::string& soundPath, const float soundVolume = 1.0);
            const std::string& getReloadSound();
            void playReloadSound();

            virtual void fire() = 0;

            unsigned int initialMunition_;
            unsigned int initialMagazines_;
            unsigned int munitionPerShot_;
            unsigned int charges_;                  // current amount of charges only matters for chargeable weapons(chargeable == true)
            unsigned int maxCharges_;               // maximum amount of charges (is initialized with 100 in weaponmode.cc) only matters for chargeable weapons(chargeable == true)

            float reloadTime_;
            bool bAutoReload_;                      // If true, the weapon reloads the magazine automatically.
            bool bParallelReload_;                  // If true, the weapon reloads in parallel to the magazine reloading.
            bool chargeable_;                       // If true, the weapon charges up on push and fires on release

            float damage_;
            float healthdamage_;
            float shielddamage_;
            Vector3 muzzleOffset_;

            std::string hudImageString_;

        private:            
            void reloaded();

            Weapon* weapon_;
            unsigned int mode_;

            Munition* munition_;
            SubclassIdentifier<Munition> munitiontype_;
            std::string munitionname_;

            Timer reloadTimer_;
            bool bReloading_;                       // If true, this weapon mode is marked as reloading.

            Vector3 muzzlePosition_;
            Quaternion muzzleOrientation_;

            std::string fireSoundPath_;             // The path of the sound played when fireing
            float fireSoundVolume_;                 // The volume of the sound played when fireing
            std::vector<WorldSound*> fireSounds_;   // List of sounds used by the weapon mode. Because multiple sounds may overlap, we need mor than one WorldSound instance.
            std::string reloadSoundPath_;           // The path of the sound played when reloading
            float reloadSoundVolume_;               // The volume of the sound played when reloading
            WorldSound* reloadSound_;
    };
}

#endif /* _WeaponMode_H__ */