/*
   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: Silvan Nellen
   co-programmer: Benjamin Knecht
*/


#include "playable.h"

#include "weapons/weapon_manager.h"
#include "event_handler.h"
#include "player.h"


Playable::Playable()
{
  this->init();
}

Playable::~Playable()
{
  delete this->weaponMan;

  if (this->currentPlayer)
  {
    PRINTF(2)("There is Still a Player subscribed to this Playable (%s::%s)\n", this->getClassName(), this->getName());

  }
}

/**
 * initializes this Playable
 */
void Playable::init()
{
  this->setClassID(CL_PLAYABLE, "Playable");
  PRINTF(4)("PLAYABLE INIT\n");

  this->weaponMan = new WeaponManager(this);

  // the reference to the Current Player is NULL, because we dont have one at the beginning.
  this->currentPlayer = NULL;
}

/**
 * subscribe to all events the controllable needs
 * @param player the player that shall controll this Playable
 */
bool Playable::subscribePlayer(Player* player)
{
  if (this->currentPlayer != NULL)
  {
    PRINTF(1)("Already registered Player:%s to this Playable (%s:%s)\n", this->currentPlayer->getName(), this->getClassName(), this->getName());
    return false;
  }
  else
  {
    this->currentPlayer = player;
    /*EventHandler*/
    EventHandler* evh = EventHandler::getInstance();
    std::list<int>::iterator ev;
    for (ev = this->events.begin(); ev != events.end(); ev++)
      evh->subscribe(player, ES_GAME, (*ev));

    return true;
  }
}

/**
 * unsubscribe from all events the controllable needs
 * @param player the Player, that controlled this Ship.
 */
bool Playable::unsubscribePlayer(Player* player)
{
  if (this->currentPlayer != player)
  {
    PRINTF(1)("not the right Player to unregister from this Playable (%s:%s)\n", this->currentPlayer->getName(), this->getClassName(), this->getName());
    return false;
  }

  else
  {
    /*EventHandler*/
    EventHandler* evh = EventHandler::getInstance();
    std::list<int>::iterator ev;
    for (ev = this->events.begin(); ev != events.end(); ev++)
      evh->unsubscribe( ES_GAME, (*ev));

    this->currentPlayer = NULL;
    return true;
  }
}

/**
 * add an event to the event list of events this Playable can capture
 * @param eventType the Type of event to add
 */
void Playable::registerEvent(int eventType)
{
  this->events.push_back(eventType);

  if (this->currentPlayer != NULL)
    EventHandler::getInstance()->subscribe(this->currentPlayer, ES_GAME, eventType);
}

/**
 * remove an event to the event list this Playable can capture.
 * @param event the event to unregister.
 */
void Playable::unregisterEvent(int eventType)
{
  this->events.remove(eventType);

  if (this->currentPlayer != NULL)
    EventHandler::getInstance()->unsubscribe(ES_GAME, eventType);
}