/*
   orxonox - the future of 3D-vertical-scrollers

   Copyright (C) 2004 orx

   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, or (at your option)
   any later version.

   ### File Specific
   main-programmer: Patrick Boenzli patrick@orxonox.net
   co-programmer:
*/
#define DEBUG_SPECIAL_MODULE DEBUG_MODULE_WORLD_ENTITY


#include "executor/executor.h"
#include "util/loading/factory.h"
#include "util/loading/load_param.h"


#include "mount_point.h"
#include "debug.h"
#include "state.h"


ObjectListDefinition(MountPoint);
CREATE_FACTORY(MountPoint);


/**
 * construct
 */
MountPoint::MountPoint (const Vector& up, const Vector& forward, const Vector& center, const std::string& name)
{
  PRINTF(0)("Created mount point %s\n", name.c_str());

  this->_name = name;
  this->setAbsCoor( center);
  this->setAbsDir( Quaternion(forward, up));

  this->init();
}



/**
 * deconstructor
 */
MountPoint::~MountPoint ()
{}


/**
 * initializing function
 */
void MountPoint::init()
{
  this->registerObject(this, MountPoint::_objectList);
  this->toList(OM_GROUP_00);

  this->_mount = NULL;
}


/**
 * loads the Settings of a MD2Creature from an XML-element.
 * @param root the XML-element to load the MD2Creature's properties from
 */
void MountPoint::initMountPoint(const TiXmlElement* root)
{
  const TiXmlElement* element = root->FirstChildElement("MountPoints");
  if( element == NULL)
  {
    PRINTF(1)("Object Information file is missing a proper 'MountPoints' section\n");
  }
  else
  {
    element = element->FirstChildElement();
    // parse the information for this mount point

    PRINTF(4)("Loading WorldEntities\n");
    while( element != NULL)
    {
      BaseObject* created = Factory::fabricate(element);
      if( created != NULL )
        PRINTF(4)("Created a %s: %s\n", created->getClassCName(), created->getCName());

      //todo do this more elegant
      if( element->Value() == "SkyBox" && created->isA(SkyBox::staticClassID()))
      {
        this->sky = dynamic_cast<WorldEntity*>(created);
        State::setSkyBox(dynamic_cast<SkyBox*>(this->sky));
      }
      if( element->Value() == "Terrain" && created->isA(Terrain::staticClassID()))
      {
        this->terrain = dynamic_cast<Terrain*>(created);
        CDEngine::getInstance()->setTerrain(terrain);
      }
      element = element->NextSiblingElement();
      this->glmis->step(); //! @todo temporary
    }
    PRINTF(4)("Done loading WorldEntities\n");
  }
}



/**
 * tick
 * @param time  time passed since the last tick
 */
void MountPoint::tick (float time)
{


}


/**
 * draw this entity
 */
void MountPoint::draw() const
{

}



/**
 *  function called to draw the mount point itself for debug purposes only
 */
void MountPoint::debugDraw() const
{
  // invoke the underlying pnode debug draw
  this->debugDraw();
}


/**
 * adds an entity to this mount point
 * @param entity entity to be added
 */
void MountPoint::mount(WorldEntity* entity)
{
  this->_mount = entity;
}


/**
 * removes an entity from this mount point
 */
void MountPoint::unmount()
{
  this->_mount = NULL;
}