/*
   orxonox - the future of 3D-vertical-scrollers

   Copyright (C) 2006 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:
*/

#include "blink.h"

#include "util/loading/load_param.h"
#include "util/loading/factory.h"
#include "debug.h"
#include "state.h"


#include "material.h"






ObjectListDefinition(Blink);
CREATE_FACTORY(Blink);

/**
 * standart constructor
 */
Blink::Blink (const TiXmlElement* root)
{
  this->init();

  if( root)
    this->loadParams(root);
}


/**
 * destroys a Blink
 */
Blink::~Blink ()
{
  if (this->material)
    delete this->material;
}


/**
 * initializes the Blink
 */
void Blink::init()
{
  this->registerObject(this, Blink::_objectList);
  this->setName("Blink");

  this->toList(OM_COMMON);

  this->material = new Material();
  //this->material->setIllum(0);
  //this->material->setDiffuse(1.0,1.0,1.0);
  //this->material->setTransparency(0.0);
 // this->material->setSpecular(0.0,0.0,0.0);
 // this->material->setAmbient(1.0, 1.0, 1.0);
  //this->material->setBlendFunc(GL_ZERO,GL_ZERO);
  //this->material->setDiffuseMap("pictures/rblink2.png");
  this->material->setDiffuseMap("maps/star_alpha.png");
  //this->setAbsCoor(0, 0, 0);d
  //this->setVisibiliy(true);
  // this->setSize(5, 5);

  //srand((unsigned)time(NULL));


  /// Standard values
  this->setAbsCoor(0, 0, 0); 
  this->position = Vector(0, 0, 0); ///remove
  this->color = Vector(255, 255, 255);
  this->size = 10;
  this->omega = 10;
  this->angle = rand() % 1000;
  PRINTF(0)("\n\n\n\n\n\n\nangle: %f\n\n\n\n\n\n\n\n", this->angle);
  this->angle *= 2 * M_PI;
  PRINTF(0)("\n\n\n\n\n\n\nangle: %f\n\n\n\n\n\n\n\n", this->angle);
}


/**
 *  load params
 * @param root TiXmlElement object
 */
void Blink::loadParams(const TiXmlElement* root)
{
  WorldEntity::loadParams(root);

  LoadParam(root, "position", this, Blink, setPosition);
  LoadParam(root, "size", this, Blink, setSize);
  LoadParam(root, "color", this, Blink, setColor);
  LoadParam(root, "omega", this, Blink, setOmega);
//   LoadParam(root, "watersize", this, Blink, setWaterSize);
//   LoadParam(root, "wateruv", this, Blink, setWaterUV);
//   LoadParam(root, "waterflow", this, Blink, setWaterFlow);
//   LoadParam(root, "lightpos", this, Blink, setLightPos);
//   LoadParam(root, "waterangle", this, Blink, setWaterAngle);
//   LoadParam(root, "normalmapscale", this, Blink, setNormalMapScale);
//   LoadParam(root, "shinesize", this, Blink, setShineSize);
//   LoadParam(root, "shinestrength", this, Blink, setShineStrength);
//   LoadParam(root, "reflstrength", this, Blink, setReflStrength);
//   LoadParam(root, "refraction", this, Blink, setRefraction);
//   LoadParam(root, "watercolor", this, Blink, setWaterColor);
  /*LoadParam(root, "texture", this->material, Material, setDiffuseMap)
      .describe("the texture-file to load onto the Blink");

  LoadParam(root, "size", this, Blink, setSize)
  .describe("the size of the Blink in Pixels");*/
}


/**
 * ticks the Blink
 * @param dt the time to ticks
 */
void Blink::tick(float dt)
{
  this->angle += dt * this->omega;

  if (this->angle > 2 * M_PI)
    this->angle -= 2 * M_PI;

  this->blinkStr = sinf(angle);
}


/**
 * draws the blink
 */
void Blink::draw() const
{
  glPushAttrib(GL_ENABLE_BIT);
  glEnable(GL_LIGHTING); //glDisable(GL_LIGHTING);
  glDisable(GL_FOG);
  glMatrixMode(GL_MODELVIEW);
  glPushMatrix();

//   Vector pos = this->getAbsCoor();
//   Vector dir = pos - State::getCameraNode()->getAbsCoor();
//   dir.normalize();
// 
//   Vector up = Vector(0, 1, 0);
//   Vector h = dir.cross(up);
// 
//   Vector pos = this->getAbsCoor();
//   glTranslatef(pos.x, pos.y, pos.z);

    /* translate */
//     glTranslatef (this->getAbsCoor ().x,
//                   this->getAbsCoor ().y,
//                   this->getAbsCoor ().z);
//     Vector tmpRot = this->getAbsDir().getSpacialAxis();
//     glRotatef (this->getAbsDir().getSpacialAxisAngle(), tmpRot.x, tmpRot.y, tmpRot.z );

//   glBlendFunc(GL_SRC_ALPHA,GL_ONE); // Set The Blending Function For Translucency
//   glEnable(GL_BLEND);
//   glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
//   glShadeModel(GL_SMOOTH);


  Vector camCoor = State::getCameraNode()->getAbsCoor();
  Vector diff = camCoor - this->position;

  //glTranslatef(position.x + size/2, position.y + size/2, position.z);

  glTranslatef(this->position.x - this->size/2, this->position.y - this->size/2, this->position.z);

//   Vector view = this->getAbsCoor() - State::getCameraNode()->getAbsCoor();
//   view.normalize();
// 
//   Vector up = Vector(0, 1, 0);
//   Vector h = view.cross(up);

  this->material->select();


  glColor4ub(this->color.x, this->color.y, this->color.z, 127.5*(this->blinkStr + 1));
  glBegin(GL_QUADS);
    glTexCoord2f(1, 1); glVertex3f(0, 0, 0);
    glTexCoord2f(1, 0); glVertex3f(this->size, 0, 0);
    glTexCoord2f(0, 0); glVertex3f(this->size, this->size, 0);
    glTexCoord2f(0, 1); glVertex3f(0, this->size, 0);
  glEnd();


  glPopMatrix();
  glPopAttrib();
}