source: orxonox.OLD/branches/camera/src/world_entities/blackscreen.cc @ 10339

/*
   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: Filip Gospodinov
   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 "blackscreen.h"
#include "debug.h"
#include "material.h"
#include "state.h"
#include "class_id_DEPRECATED.h"

ObjectListDefinition(blackscreen);
CREATE_FACTORY(blackscreen);



/**
 *
 */
blackscreen::blackscreen()
{
  this->init();


}


/**
 *
 */
blackscreen::blackscreen(const TiXmlElement* root)
{
  this->init();

  if( root != NULL)
    this->loadParams(root);

}


/**
 *
 */
blackscreen::~blackscreen()
{}


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

  this->material = new Material();
  this->material->setDiffuseMap("maps/black.png");
 // this->material->setIllum(3);
 // this->material->setTransparency(0.6);
  //this->material->setDiffuse(0,0,0);
  this->material->setBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 // this->material->setSpecular(0.0,0.0,0.0);
 // this->material->setAmbient(1, 1, 1);

  i=1;
  state=0;
  fadeSpeed=1;

}


/**
 * loads the Settings of a MD2Creature from an XML-element.
 * @param root the XML-element to load the MD2Creature's properties from
 */
void blackscreen::loadParams(const TiXmlElement* root)
{
  WorldEntity::loadParams(root);
}

void blackscreen::draw() const
{
//   if(!mediaLoaded)
//     false;

  glPushAttrib(GL_ENABLE_BIT);
  glDisable(GL_LIGHTING);
//   glDisable(GL_BLEND);
//
//   glEnable(GL_TEXTURE_2D);
//   glBindTexture(GL_TEXTURE_2D, media_container->getFrameTexture(counter));

  glPushMatrix();
 /* glTranslatef (this->getAbsCoor ().x,
                this->getAbsCoor ().y,
                this->getAbsCoor ().z);
  glRotatef(axis, 0.0f, 1.0f, 0.0f);*/
//PRINTF(0)("axis: %f\n", axis);
glEnable(GL_BLEND);     // Turn Blending On
//lDisable(GL_ALPHA_TEST);

//
//  Coord schould depend on CameraTarget
//
//
//

//glColor4f(0, 0, 0, i);

this->material->setTransparency(i);
this->material->select();

  glBegin(GL_QUADS);
  glVertex3f(State::getCameraNode()->getAbsCoorX()+3,State::getCameraNode()->getAbsCoorY() -100.0f,
             State::getCameraNode()->getAbsCoorZ()-100.0f);
  glVertex3f(State::getCameraNode()->getAbsCoorX()+3, State::getCameraNode()->getAbsCoorY()-100.0f,
             State::getCameraNode()->getAbsCoorZ()+100.0f);
  glVertex3f(State::getCameraNode()->getAbsCoorX()+3, State::getCameraNode()->getAbsCoorY() +100.0f,
             State::getCameraNode()->getAbsCoorZ()+100.0f);
  glVertex3f(State::getCameraNode()->getAbsCoorX()+3, State::getCameraNode()->getAbsCoorY()+100.0f,
             State::getCameraNode()->getAbsCoorZ()-100.0f);


/* glBegin(GL_QUADS);
glVertex3f(0,-100.0f,-100.0f);
glVertex3f(0,-100.0f,+100.0f);
glVertex3f(0,+100.0f,+100.0f);
glVertex3f(0,+100.0f,-100.0f);
*/


  glEnd();

  glPopMatrix();
  glPopAttrib();
}

/**
 *
 */
void blackscreen::tick (float time)
{
if (state == true)
  fadeOut();
else
  fadeIn();
}

void blackscreen::fadeIn()
{
  if (i>0)
    i=i-0.005*fadeSpeed;
}

void blackscreen::fadeOut()
{
  if (i<=1)
    i=i+0.005*fadeSpeed;
}

void  blackscreen::toggleFade ()
{

    this->state= !this->state;
}

void blackscreen::changeFadeSpeed(float newSpeed)
{
  fadeSpeed=newSpeed;
}

bool blackscreen::isBlack()
{
if (i==1)
  return 1;
else
  return 0;
}

bool blackscreen::isTrans()
{
  if (i==0)
    return 1;
  else
    return 0;
}