/*
 *   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:
 *      Benjamin de Capitani
 *   Co-authors:
 *      ...
 *
 */

#include "BigExplosion.h"

#include "util/Exception.h"
#include "core/CoreIncludes.h"
#include "core/GameMode.h"
#include "core/command/Executor.h"
#include "tools/ParticleInterface.h"
#include "Scene.h"
#include "graphics/ParticleSpawner.h"
#include "graphics/Model.h"
#include "MovableEntity.h"

namespace orxonox
{
    RegisterClass(BigExplosion);

    BigExplosion::BigExplosion(Context* context) : MobileEntity(context)
    {
        RegisterObject(BigExplosion);

        if ( GameMode::showsGraphics() && ( !this->getScene() || !this->getScene()->getSceneManager() ) )
            ThrowException(AbortLoading, "Can't create BigExplosion, no scene or no scene manager given.");

        this->bStop_ = false;
        this->LOD_ = LODParticle::Normal;

        if ( GameMode::showsGraphics() )
        {
            try
            {
                this->init();
            }
            catch (const std::exception& ex)
            {
                orxout(internal_error) << "Couldn't load particle effect in BigExplosion: " << ex.what() << endl;
                this->initZero();
            }
        }
        else
        {
            this->initZero();
        }

        if (GameMode::isMaster())
        {
            this->destroyTimer_.setTimer(rnd(2, 4), false, createExecutor(createFunctor(&BigExplosion::stop, this)));
        }

        this->registerVariables();
    }

    BigExplosion::BigExplosion(Context* context, Vector3 initVelocity) : MobileEntity(context)
    {
        RegisterObject(BigExplosion);
        this->setVelocity(initVelocity);

        if ( GameMode::showsGraphics() && ( !this->getScene() || !this->getScene()->getSceneManager() ) )
            ThrowException(AbortLoading, "Can't create BigExplosion, no scene or no scene manager given.");

        this->bStop_ = false;
        this->LOD_ = LODParticle::Normal;

        if ( GameMode::showsGraphics() )
        {
            try
            {
                this->init();
            }
            catch (const std::exception& ex)
            {
                orxout(internal_error) << "Couldn't load particle effect in BigExplosion: " << ex.what() << endl;
                this->initZero();
            }
        }
        else
        {
            this->initZero();
        }

        if (GameMode::isMaster())
        {
            this->destroyTimer_.setTimer(rnd(2, 4), false, createExecutor(createFunctor(&BigExplosion::stop, this)));
        }

        this->registerVariables();
    }

    void BigExplosion::init()
    {
        this->debrisEntity1_ = new MovableEntity(this->getContext());
        this->debrisEntity2_ = new MovableEntity(this->getContext());
        this->debrisEntity3_ = new MovableEntity(this->getContext());
        this->debrisEntity4_ = new MovableEntity(this->getContext());

        this->debrisEntity1_->setSyncMode(0);
        this->debrisEntity2_->setSyncMode(0);
        this->debrisEntity3_->setSyncMode(0);
        this->debrisEntity4_->setSyncMode(0);

        this->debris1_ = new Model(this->getContext());
        this->debris2_ = new Model(this->getContext());
        this->debris3_ = new Model(this->getContext());
        this->debris4_ = new Model(this->getContext());

        this->debris1_->setSyncMode(0);
        this->debris2_->setSyncMode(0);
        this->debris3_->setSyncMode(0);
        this->debris4_->setSyncMode(0);

        this->explosion_ = new MobileEntity(this->getContext());
        this->explosion_->setSyncMode(0);

        this->debrisSmoke1_ = new ParticleInterface(this->getScene()->getSceneManager(), "Orxonox/smoke7", this->LOD_);
        this->debrisSmoke2_ =  new ParticleInterface(this->getScene()->getSceneManager(), "Orxonox/smoke7", this->LOD_);
        this->debrisSmoke3_ =  new ParticleInterface(this->getScene()->getSceneManager(), "Orxonox/smoke7", this->LOD_);
        this->debrisSmoke4_ =  new ParticleInterface(this->getScene()->getSceneManager(), "Orxonox/smoke7", this->LOD_);

        this->debrisFire1_ = new ParticleInterface(this->getScene()->getSceneManager(), "Orxonox/fire4", this->LOD_);
        this->debrisFire2_ = new ParticleInterface(this->getScene()->getSceneManager(), "Orxonox/fire4", this->LOD_);
        this->debrisFire3_ = new ParticleInterface(this->getScene()->getSceneManager(), "Orxonox/fire4", this->LOD_);
        this->debrisFire4_ = new ParticleInterface(this->getScene()->getSceneManager(), "Orxonox/fire4", this->LOD_);

        this->debris1_->attachOgreObject(this->debrisSmoke1_->getParticleSystem());
        this->debris1_->attachOgreObject(this->debrisFire1_->getParticleSystem());
        this->debris2_->attachOgreObject(this->debrisSmoke2_->getParticleSystem());
        this->debris2_->attachOgreObject(this->debrisFire2_->getParticleSystem());
        this->debris3_->attachOgreObject(this->debrisSmoke3_->getParticleSystem());
        this->debris3_->attachOgreObject(this->debrisFire3_->getParticleSystem());
        this->debris4_->attachOgreObject(this->debrisSmoke4_->getParticleSystem());
        this->debris4_->attachOgreObject(this->debrisFire4_->getParticleSystem());

        this->debris1_->setMeshSource("CockpitDebris.mesh");
        this->debris2_->setMeshSource("WingDebris1.mesh");
        this->debris3_->setMeshSource("BodyDebris1.mesh");
        this->debris4_->setMeshSource("WingDebris2.mesh");

        this->debrisEntity1_->setVelocity(Vector3(rnd(-1, 1), rnd(-1, 1), rnd(-1, 1))*rnd(50,100));
        this->debrisEntity1_->setAngularVelocity(Vector3(rnd(-1, 1), rnd(-1, 1), rnd(-1, 1)).normalisedCopy() * Degree(400).valueRadians());
        this->debrisEntity1_->setScale(4);

        this->debrisEntity2_->setVelocity(Vector3(rnd(-1, 1), rnd(-1, 1), rnd(-1, 1))*rnd(50,100));
        this->debrisEntity2_->setAngularVelocity(Vector3(rnd(-1, 1), rnd(-1, 1), rnd(-1, 1)).normalisedCopy() * Degree(400).valueRadians());
        this->debrisEntity2_->setScale(4);

        this->debrisEntity3_->setVelocity(Vector3(rnd(-1, 1), rnd(-1, 1), rnd(-1, 1))*rnd(50,100));
        this->debrisEntity3_->setAngularVelocity(Vector3(rnd(-1, 1), rnd(-1, 1), rnd(-1, 1)).normalisedCopy() * Degree(400).valueRadians());
        this->debrisEntity3_->setScale(4);

        this->debrisEntity4_->setVelocity(Vector3(rnd(-1, 1), rnd(-1, 1), rnd(-1, 1))*rnd(50,100));
        this->debrisEntity4_->setAngularVelocity(Vector3(rnd(-1, 1), rnd(-1, 1), rnd(-1, 1)).normalisedCopy() * Degree(400).valueRadians());
        this->debrisEntity4_->setScale(4);

        this->debrisEntity1_->attach(debris1_);
        this->debrisEntity2_->attach(debris2_);
        this->debrisEntity3_->attach(debris3_);
        this->debrisEntity4_->attach(debris4_);

        // ///////////////////////
        // TODO: particleSpawner is a static entity. It should probably be dynamic, for better explosions.
        //
        ParticleSpawner* effect = new ParticleSpawner(this->getContext());
        orxout() << "vel " << this->getVelocity() << endl;
        // effect->setVelocity(this->getVelocity());
        effect->setDestroyAfterLife(true);
        effect->setSource("Orxonox/explosion2b");
        effect->setLifetime(4.0f);
        effect->setSyncMode(0);

        ParticleSpawner* effect2 = new ParticleSpawner(this->getContext());
        // effect2->setVelocity(Vector3(rnd(-1, 1), rnd(-1, 1), rnd(-1, 1))*rnd(10, 200));
        effect2->setDestroyAfterLife(true);
        effect2->setSource("Orxonox/smoke6");
        effect2->setLifetime(4.0f);
        effect2->setSyncMode(0);

        this->explosion_->attach(effect);
        this->explosion_->attach(effect2);

        this->attach(explosion_);
        this->attach(debrisEntity1_);
        this->attach(debrisEntity2_);
        this->attach(debrisEntity3_);
        this->attach(debrisEntity4_);


        for(int i=0;i<10;i++)
        {
            Model* part1 = new Model(this->getContext());
            Model* part2 = new Model(this->getContext());

            MovableEntity* partEntity1 = new MovableEntity(this->getContext());
            MovableEntity* partEntity2 = new MovableEntity(this->getContext());

            part1->setSyncMode(0);
            part2->setSyncMode(0);
            partEntity1->setSyncMode(0);
            partEntity2->setSyncMode(0);

            partEntity1->setVelocity(Vector3(rnd(-1, 1), rnd(-1, 1), rnd(-1, 1))*rnd(10,100));
            partEntity1->setAngularVelocity(Vector3(rnd(-1, 1), rnd(-1, 1), rnd(-1, 1)).normalisedCopy() * Degree(400).valueRadians());
            partEntity1->setScale(rnd(1, 3));

            partEntity2->setVelocity(Vector3(rnd(-1, 1), rnd(-1, 1), rnd(-1, 1))*rnd(10, 100));
            partEntity2->setAngularVelocity(Vector3(rnd(-1, 1), rnd(-1, 1), rnd(-1, 1)).normalisedCopy() * Degree(400).valueRadians());
            partEntity2->setScale(rnd(1, 3));

            part1->setMeshSource("SmallPart1.mesh");
            part2->setMeshSource("SmallPart2.mesh");

            partEntity1->attach(part1);
            partEntity2->attach(part2);

            this->attach(partEntity1);
            this->attach(partEntity2);
        }
    }

    void BigExplosion::initZero()
    {
        this->debrisFire1_ = 0;
        this->debrisFire2_ = 0;
        this->debrisFire3_ = 0;
        this->debrisFire4_ = 0;

        this->debrisSmoke1_ = 0;
        this->debrisSmoke2_ = 0;
        this->debrisSmoke3_ = 0;
        this->debrisSmoke4_ = 0;

        this->explosionSmoke_=0;
        this->explosionFire_=0;
    }

    BigExplosion::~BigExplosion()
    {
        if (this->isInitialized())
        {
            if (this->debrisFire1_)
            {
                this->debris1_->detachOgreObject(this->debrisFire1_->getParticleSystem());
                delete this->debrisFire1_;
            }
            if (this->debrisSmoke1_)
            {
                this->debris1_->detachOgreObject(this->debrisSmoke1_->getParticleSystem());
                delete this->debrisSmoke1_;
            }

            if (this->debrisFire2_)
            {
                this->debris2_->detachOgreObject(this->debrisFire2_->getParticleSystem());
                delete this->debrisFire2_;
            }
            if (this->debrisSmoke2_)
            {
                this->debris2_->detachOgreObject(this->debrisSmoke2_->getParticleSystem());
                delete this->debrisSmoke2_;
            }

            if (this->debrisFire3_)
            {
                this->debris3_->detachOgreObject(this->debrisFire3_->getParticleSystem());
                delete this->debrisFire3_;
            }
            if (this->debrisSmoke3_)
            {
                this->debris3_->detachOgreObject(this->debrisSmoke3_->getParticleSystem());
                delete this->debrisSmoke3_;
            }

            if (this->debrisFire4_)
            {
                this->debris4_->detachOgreObject(this->debrisFire4_->getParticleSystem());
                delete this->debrisFire4_;
            }
            if (this->debrisSmoke4_)
            {
                this->debris4_->detachOgreObject(this->debrisSmoke4_->getParticleSystem());
                delete this->debrisSmoke4_;
            }
        }
    }

    void BigExplosion::registerVariables()
    {
        registerVariable((int&)(this->LOD_), VariableDirection::ToClient, new NetworkCallback<BigExplosion>(this, &BigExplosion::LODchanged));
        registerVariable(this->bStop_,       VariableDirection::ToClient, new NetworkCallback<BigExplosion>(this, &BigExplosion::checkStop));
    }

    void BigExplosion::LODchanged()
    {
        if (this->debrisFire1_)
            this->debrisFire1_->setDetailLevel(this->LOD_);
        if (this->debrisSmoke1_)
            this->debrisSmoke1_->setDetailLevel(this->LOD_);

        if (this->debrisFire2_)
            this->debrisFire2_->setDetailLevel(this->LOD_);
        if (this->debrisSmoke2_)
            this->debrisSmoke2_->setDetailLevel(this->LOD_);

        if (this->debrisFire3_)
            this->debrisFire3_->setDetailLevel(this->LOD_);
        if (this->debrisSmoke3_)
            this->debrisSmoke3_->setDetailLevel(this->LOD_);

        if (this->debrisFire4_)
            this->debrisFire4_->setDetailLevel(this->LOD_);
        if (this->debrisSmoke4_)
            this->debrisSmoke4_->setDetailLevel(this->LOD_);
    }

    void BigExplosion::checkStop()
    {
        if (this->bStop_)
            this->stop();
    }

    void BigExplosion::stop()
    {
        if (this->debrisFire1_)
            this->debrisFire1_->setEnabled(false);
        if (this->debrisSmoke1_)
            this->debrisSmoke1_->setEnabled(false);

        if (this->debrisFire2_)
            this->debrisFire2_->setEnabled(false);
        if (this->debrisSmoke2_)
            this->debrisSmoke2_->setEnabled(false);

        if (this->debrisFire3_)
            this->debrisFire3_->setEnabled(false);
        if (this->debrisSmoke3_)
            this->debrisSmoke3_->setEnabled(false);

        if (this->debrisFire4_)
            this->debrisFire4_->setEnabled(false);
        if (this->debrisSmoke4_)
            this->debrisSmoke4_->setEnabled(false);

        if (GameMode::isMaster())
        {
            this->bStop_ = true;
            this->destroyTimer_.setTimer(1.0f, false, createExecutor(createFunctor(&BigExplosion::destroy, this)));
        }
    }

/* TODO

    void BigExplosion::setDebrisMeshes()
    {

    }
    void BigExplosion::getDebrisMeshes()
    {

    }
*/
}