/*
 *   ORXONOX - the hottest 3D action shooter ever to exist
 *
 *
 *   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:
 *      ...
 *   Co-authors:
 *      ...
 *
 */

/**
 * @file ParticleInterface.cc
 * @brief class to control praticle effects
 */

#include "ParticleInterface.h"
// #include <OgreParticleSystem.h>
// #include <Ogre.h>
//#include <OIS/OIS.h>
// #include <CEGUI/CEGUI.h>
// #include <CEGUIRenderer.h>


using namespace Ogre;

namespace particle {

  ParticleInterface::ParticleInterface( SceneManager *sceneManager, String name, String templateName )
  {
    sceneManager_ = sceneManager;
    particleSystem_ = sceneManager->createParticleSystem(name, templateName);

    //Variabeln einlesen, Emitter1_ ist Referenz-Emitter
    velocity_ = particleSystem_->getSpeedFactor();
    colour_ = particleSystem_->getEmitter(0)->getColour();
    rate_ = particleSystem_->getEmitter(0)->getEmissionRate();
    distance_ = particleSystem_->getEmitter(0)->getTimeToLive();

    //Anzahl der Emitter
    numberOfEmitters_ = particleSystem_->getNumEmitters();
    standardizeEmitters();
  }

  ParticleInterface::~ParticleInterface(void)
  {
    sceneManager_->destroyParticleSystem(particleSystem_);
  }

  void ParticleInterface::standardizeEmitters(void)
  {
    //Abgleichen der anderen Emitter an die Variabeln
    for (int i=1; i<numberOfEmitters_; i++) {
      particleSystem_->getEmitter(i)->setColour( colour_ );
      particleSystem_->getEmitter(i)->setTimeToLive( distance_ );
      particleSystem_->getEmitter(i)->setEmissionRate( rate_ );
    }

  }

  void ParticleInterface::setVelocity(Real v)
  {
    velocity_ = v;
    //partikel anpassen
    particleSystem_->setSpeedFactor(v);
  }

  void ParticleInterface::setRate(int r)
  {
    rate_ = r;
    //partikel anpassen
    for (int i=0; i<numberOfEmitters_; i++) {
      particleSystem_->getEmitter(i)->setEmissionRate(rate_);
    }
  }

  void ParticleInterface::setDistance(Real d)
  {
    distance_ = d;
    //partikel anpassen
    for (int i=0; i < numberOfEmitters_; i++) {
      particleSystem_->getEmitter(i)->setTimeToLive(distance_);
    }
  }

  void ParticleInterface::setColour(ColourValue colour)
  {
    colour_ = colour;
    //partikel anpassen
    for (int i=0; i < numberOfEmitters_; i++) {
      particleSystem_->getEmitter(i)->setColour(colour_);
    }
  }

  ParticleEmitter* ParticleInterface::getEmitter( int emitterNr )
  {
    if ( (emitterNr >= numberOfEmitters_) || (emitterNr < 0) ) return NULL;
    return particleSystem_->getEmitter(emitterNr);
  }

  void ParticleInterface::newEmitter ()
  {
    particleSystem_->addEmitter(particleSystem_->getEmitter(0)->getType());
    particleSystem_->getEmitter(0)->copyParametersTo( particleSystem_->getEmitter(numberOfEmitters_) );
    numberOfEmitters_++;
  }

 // TODO check if this really works
  Vector3 ParticleInterface::getPositionOfEmitter ( int emitterNr )
  {
    return particleSystem_->getEmitter(0)->getPosition();
  }

  void ParticleInterface::setDirection ( Vector3 direction )
  {
    for(int i=0; i<numberOfEmitters_; i++) {
      particleSystem_->getEmitter(i)->setDirection(direction);
    }
  }

  void ParticleInterface::switchEnable(){
    bool enable=(!(particleSystem_->getEmitter(0)->getEnabled()));
    for(int i=0; i<numberOfEmitters_; i++) {
      particleSystem_->getEmitter(i)->setEnabled(enable);
    }
  }

}