/*
 * PVVMUD a 3D MUD
 * Copyright (C) 1998-1999  Programvareverkstedet (pvv@pvv.org)
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */
#include "pvvmud.H"
#include "worldanimation.H"
#include "worldworld.H"
#include "worldobject.H"

CWorldAnimationList::CWorldAnimationList(){
  m_lastTime = 0;
}

void CWorldAnimationList::add( CWorldAnimation * animation , DWORD time ){

  DWORD deltaTime;

  if (m_lastTime == 0)
    deltaTime = 0;
  else
    deltaTime = time - m_lastTime;

  if (animation->animate( time, deltaTime )){
    addLast( (CObject*)animation );
  } else {
    delete animation;
  }
}

void CWorldAnimationList::animate( DWORD time ){
  CObjectListItem * item = getFirst();
  while (item != NULL){
    CWorldAnimation * animation = (CWorldAnimation*)item->getObject();
    item = item->getNext();

//    if (time >= animation->getStartTime()){
//      if (time >= animation->getStopTime()) {
//        remove( animation );
//      } else {
   

        DWORD deltaTime;

        if (m_lastTime == 0)
          deltaTime = 0;
        else
          deltaTime = time - m_lastTime;

        m_lastTime = time;

        if (!animation->animate( time, deltaTime )){
          remove( animation );
          delete animation;
        }

//      }
//    }

  }
}

void CWorldAnimationList::clearList(){
  deleteAll();
}

void CWorldAnimationList::sendObjectAnimation( DWORD objectId,
                                               CListener * listener)
{
  CObjectListItem * item = getFirst();
  while (item != NULL){
    CWorldAnimation * animation = (CWorldAnimation*)item->getObject();
    item = item->getNext();

    if (animation->getObjectId() == objectId){
      listener->sendAnimation( animation );
    }
  }
}


CWorldAnimation::CWorldAnimation(DWORD objectId){
  m_world = NULL;
  m_startTime = m_stopTime = 0;
  m_objectId = objectId;
}

CWorldAnimation::~CWorldAnimation(){
}

CWorldWorld * CWorldAnimation::getWorld(){
  return m_world; 
}

void CWorldAnimation::setWorld( CWorldWorld * world ){
  m_world = world;
}

DWORD CWorldAnimation::getObjectId(){
  return m_objectId;
}

CWorldObject * CWorldAnimation::getObject(){
  return getWorld()->getObject( m_objectId );
}


//////////////////////////////////////////////////////////////////////////////
// Function : animate
// Return   : TRUE if more animation to do
//            FALSE if end of animation
//
int CWorldAnimation::animate( DWORD time, DWORD deltaTime ){
  return animate( time );
}

//////////////////////////////////////////////////////////////////////////////
// Function : animate
// Return   : TRUE if more animation to do
//            FALSE if end of animation
//
int CWorldAnimation::animate( DWORD time ){
  return FALSE;
}