#include "fx_flash.h"
#include "effect.h"

#define FLASHTIME 10 //in ms

FX_Flash::FX_Flash(int numpixels,Adafruit_NeoPixel *strip,uint32_t flashcolor)
{
  _numpixels=numpixels;
  _strip=strip;
  _flashcolor=flashcolor;
  _starttime=millis();
}

FX_Flash::FX_Flash()
{
}

void FX_Flash::updateRoutine(float updatedelayms)
{
}

void FX_Flash::updateGraphics()
{
  for(int i=0;i<_numpixels;i++){
      
    uint8_t _r = _flashcolor >> 16;
    uint8_t _g = _flashcolor >> 8;
    uint8_t _b = _flashcolor;


    uint32_t _pxcolor=_strip->getPixelColor(i); //get current color of that pixel
    uint8_t _pxr = _pxcolor >> 16;
    uint8_t _pxg = _pxcolor >> 8;
    uint8_t _pxb = _pxcolor;
    uint16_t _tmpr=_pxr+_r; //add colors
    uint16_t _tmpg=_pxg+_g;
    uint16_t _tmpb=_pxb+_b;
    if (_tmpr>255){ //clamp
      _tmpr=255;
    }
    if (_tmpg>255){
      _tmpg=255;
    }
    if (_tmpb>255){
      _tmpb=255;
    }
    _strip->setPixelColor(i,_tmpr,_tmpg,_tmpb); //draw pixel
    
  }
}

bool FX_Flash::active()
{
  if (millis()-_starttime>FLASHTIME){
    return false;
  }
  return true;
}