/* colorModifier.cc
   allow to modify the color of a cell

   Copyright (C) 2000  Mathias Broxvall
   		       Yannick Perret

   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 "general.h"
#include "glHelp.h"
#include "animated.h"
#include "map.h"
#include "game.h"
#include "colorModifier.h"
#include "ball.h"
#include "player.h"
#include "sign.h"
#include "scoreSign.h"
#include "sound.h"

using namespace std;

ColorModifier::ColorModifier(int col, int x, int y, Real min, Real max, Real freq, Real phase)  {
  this->x=x;
  this->y=y;
  this->min=min;
  this->max=max;
  this->freq=freq;
  this->phase=phase;
  if ((col < 0)||(col > 3))  {
	fprintf(stderr, "Warning: erroneous color ID (%d) of ColorModifier (%d,%d). Using '0' instead.\n", col, x, y);
        col = 0;
  }
  this->colors=col;
  // not used
  position[0] = 0.;
  position[1] = 0.;  
  position[2] = 0.;
  primaryColor[0] = 1.;
  primaryColor[1] = 1.;
  primaryColor[2] = 1.;
  secondaryColor[0] = 1.;
  secondaryColor[1] = 1.;
  secondaryColor[2] = 1.;
  is_on=1;
}

void ColorModifier::draw() {
}

void ColorModifier::tick(Real t) {
  int i;
  double tt=Game::current->gameTime;
  Cell& c=Game::current->map->cell(x,y);
  if(!is_on) return;
  float v = min + (max-min)*(1. + cos(phase+(tt*freq)*2.*3.14159)) / 2.;  
  switch(colors)
    {
    case 0:
      for(i=0;i<5;i++)  {
        c.colors[i][0] = v;
        c.colors[i][1] = v;
        c.colors[i][2] = v;
      }
      break;
    case 1:
      for(i=0;i<5;i++)
        c.colors[i][0] = v;
      break;
    case 2:
      for(i=0;i<5;i++)
        c.colors[i][1] = v;
      break;
    case 3:
      for(i=0;i<5;i++)
        c.colors[i][2] = v;
      break;
    }
}