/*
   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
*/

#define DEBUG_SPECIAL_MODULE DEBUG_MODULE_WORLD

#include "multi_player_world.h"

#include "state.h"
#include "class_list.h"

#include "load_param.h"
#include "fast_factory.h"
#include "factory.h"




SHELL_COMMAND(speed, MultiPlayerWorld, setSpeed);
SHELL_COMMAND(togglePNodeVisibility, MultiPlayerWorld, togglePNodeVisibility);
SHELL_COMMAND(toggleBVVisibility, MultiPlayerWorld, toggleBVVisibility);

using namespace std;

//! This creates a Factory to fabricate a MultiPlayerWorld
CREATE_FACTORY(MultiPlayerWorld, CL_WORLD);

MultiPlayerWorld::MultiPlayerWorld(const TiXmlElement* root)
{
  this->constuctorInit("", -1);
  this->path = NULL;

  this->loadParams(root);
}

/**
 *  remove the MultiPlayerWorld from memory
 *
 *  delete everything explicitly, that isn't contained in the parenting tree!
 *  things contained in the tree are deleted automaticaly
 */
MultiPlayerWorld::~MultiPlayerWorld ()
{
  delete this->shell;
  PRINTF(3)("MultiPlayerWorld::~MultiPlayerWorld() - deleting current world\n");

  delete this->localPlayer;

  // delete all the initialized Engines.
  FastFactory::flushAll(true);
  delete LightManager::getInstance();
  delete ParticleEngine::getInstance();
  delete AnimationPlayer::getInstance();
  delete PhysicsEngine::getInstance();

  // external engines initialized by the orxonox-class get deleted
  SoundEngine::getInstance()->flushAllBuffers();
  SoundEngine::getInstance()->flushAllSources();

  if (State::getObjectManager() == &this->objectManager)
    State::setObjectManager(NULL);
  // erease everything that is left.
  delete PNode::getNullParent();

  //secondary cleanup of PNodes;
  const std::list<BaseObject*>* nodeList = ClassList::getList(CL_PARENT_NODE);
  if (nodeList != NULL)
    while (!nodeList->empty())
      delete nodeList->front();

  Shader::suspendShader();

  // unload the resources !!
  ResourceManager::getInstance()->unloadAllByPriority(RP_LEVEL);
}

/**
 * initializes the world.
 * @param name the name of the world
 * @param worldID the ID of this world
 *
 * set all stuff here that is world generic and does not use to much memory
 * because the real init() function StoryEntity::init() will be called
 * shortly before start of the game.
 * since all worlds are initiated/referenced before they will be started.
 * NO LEVEL LOADING HERE - NEVER!
*/
void MultiPlayerWorld::constuctorInit(const char* name, int worldID)
{
  this->setClassID(CL_WORLD, "MultiPlayerWorld");
  PRINTF(0)("START\n");

  this->setName(name);
  this->gameTime = 0.0f;
  this->setSpeed(1.0);
  this->music = NULL;
  this->shell = NULL;
  this->localPlayer = NULL;
  this->localCamera = NULL;

  this->showPNodes = false;
  this->showBV = false;
}


/**
 * loads the parameters of a MultiPlayerWorld from an XML-element
 * @param root the XML-element to load from
 */
void MultiPlayerWorld::loadParams(const TiXmlElement* root)
{
  static_cast<GameWorld*>(this)->loadParams(root);

  PRINTF(4)("Creating a MultiPlayerWorld\n");
}



/**
 * this is executed just before load
 *
 * since the load function sometimes needs data, that has been initialized
 * before the load and after the proceeding storyentity has finished
 */
ErrorMessage GameWorld::preLoad()
{
  static_cast<GameWorld*>(this)->preLoad();

  /* the the single player specific stuff */
}


/**
 *  loads the GameWorld by initializing all resources, and set their default values.
 */
ErrorMessage GameWorld::load()
{
  static_cast<GameWorld*>(this)->load();

  /* the the single player specific stuff here */

  /* some static world entities */
  for(int i = 0; i < 100; i++)
  {
    WorldEntity* tmp = new NPCTest1();
    char npcChar[10];
    sprintf (npcChar, "NPC_%d", i);
    tmp->setName(npcChar);
    tmp->setAbsCoor(((float)rand()/RAND_MAX) * 5000, 50/*+ (float)rand()/RAND_MAX*20*/, ((float)rand()/RAND_MAX -.5) *30);
    this->spawn(tmp);
  }
}


/**
 *  post loads the GameWorld by initializing all resources, and set their default values.
 */
ErrorMessage GameWorld::postLoad()
{
  static_cast<GameWorld*>(this)->postLoad();

  /* the single player specific stuff here */
}