source: orxonox.OLD/branches/avi_play/src/lib/graphics/importer/movie_player.cc @ 6325

/*
   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: David Hasenfratz
   co-programmer:
*/



/* this is for debug output. It just says, that all calls to PRINT() belong to the DEBUG_MODULE_MEDIA module
   For more information refere to https://www.orxonox.net/cgi-bin/trac.cgi/wiki/DebugOutput
*/
#define DEBUG_MODULE_MEDIA


/* include your own header */
#include "movie_player.h"

/* header for debug output */
#include "debug.h"


/**
 * Default constructor
 */
MoviePlayer::MoviePlayer(const char* filename)
{
  media_container = new MediaContainer(filename);

  this->init();
}

MoviePlayer::MoviePlayer()
{
  media_container = new MediaContainer();

  this->init();
}

/**
 * Default destructor
 */
MoviePlayer::~MoviePlayer()
{
  delete media_container;
}

void MoviePlayer::init()
{
  status = STOP;
  timer = 0;
  speed = 1;

  material = new Material;

  material->setDiffuseMap("maps/radialTransparency.png");

  model = new PrimitiveModel(PRIM_PLANE, 10.0);

  LightManager* lightMan = LightManager::getInstance();
  lightMan->setAmbientColor(.1,.1,.1);
  (new Light())->setAbsCoor(5.0, 10.0, 40.0);
  (new Light())->setAbsCoor(-10, -20, -100);
}

void MoviePlayer::loadMovie(const char* filename)
{
  media_container->loadMedia(filename);
}

void MoviePlayer::printInformation()
{
  media_container->printMediaInformation();
}

void MoviePlayer::start(unsigned int start_frame)
{
  status = PLAY;
  timer = 0;
  fps = media_container->getFPS();

  media_container->gotoFrame(start_frame);

   PRINTF(0)("start\n");
}

void MoviePlayer::resume()
{
  if(status == STOP)
    this->start(0);
  else
    status = PLAY;

   PRINTF(0)("resume\n");
}

void MoviePlayer::pause()
{
  if(status != STOP)
    status = PAUSE;

  PRINTF(0)("pause\n");
}

void MoviePlayer::stop()
{
  status = STOP;
  texture = NULL;

  PRINTF(0)("stop\n");
}

void MoviePlayer::tick(float dt)
{
  if(status == PLAY)
  {
    current_frame = media_container->getFrameNumber();
    timer += dt;
    actuel_frame = timer * fps * speed;

    if(actuel_frame != current_frame)
    {
      if(actuel_frame - current_frame == 1)
        texture = media_container->getNextFrame();
      else
        texture = media_container->skipFrame(actuel_frame - current_frame - 1);
    }   
    //PRINTF(0)("frame_number: %i\n", media_container->getFrameNumber());

    if(texture == NULL && current_frame != 0)
      this->stop();
  }
}

const void MoviePlayer::draw()
{
  material->select();
  glBindTexture(GL_TEXTURE_2D, texture);
  model->draw();

  LightManager::getInstance()->draw();
}

void MoviePlayer::setSpeed(float speed)
{
  if(speed > 0)
    this->speed = speed;
}

float MoviePlayer::getSpeed()
{
  return this->speed;
}

const MP_STATUS MoviePlayer::getStatus()
{
  return this->status;
}