Hello everyOne, I have Super trend AFL, AmiBroker, Indicator Code, Plz Help To convert INTO MQ4.

/* Done      by    Rajandran R */
/* Author of www.marketcalls.in  */

_SECTION_BEGIN("SuperTrend");
SetBarsRequired(100000,0);
GraphXSpace = 15;
SetChartOptions(0,chartShowArrows|chartShowDates);

Plot( C, "Close", ParamColor("Color", colorBlack ), styleNoTitle |
ParamStyle("Style") | GetPriceStyle() ); 


_N(Title = StrFormat("{{NAME}} - {{INTERVAL}} {{DATE}} Open %g, Hi %g, Lo %g,
Close %g (%.1f%%) {{VALUES}}", O, H, L, C, SelectedValue( ROC( C, 1 ) ) ));

PositionSize = 100000;

Factor=Optimize("Factor",2,2,10,1);
Pd=Optimize("ATR Periods",11,1,20,1);
Up=(H+L)/2+(Factor*ATR(Pd));
Dn=(H+L)/2-(Factor*ATR(Pd));
iATR=ATR(Pd);
TrendUp=TrendDown=Null;
trend[0]=1;
changeOfTrend=0;
flag=flagh=0;

for (i = 1; i <BarCount-1; i++) {
      TrendUp[i] = Null;
      TrendDown[i] = Null;
     
      trend[i]=1;
   
      
      if (Close[i]>Up[i-1]) {
         trend[i]=1;
         if (trend[i-1] == -1) changeOfTrend = 1;
         
      }
      else if (Close[i]<Dn[i-1]) {
         trend[i]=-1;
         if (trend[i-1] == 1) changeOfTrend = 1;
      }
      else if (trend[i-1]==1) {
         trend[i]=1;
         changeOfTrend = 0;       
      }
      else if (trend[i-1]==-1) {
         trend[i]=-1;
         changeOfTrend = 0;
      }

      if (trend[i]<0 && trend[i-1]>0) {
         flag=1;
      }
      else {
         flag=0;
      }
      
      if (trend[i]>0 && trend[i-1]<0) {
         flagh=1;
      }
      else {
         flagh=0;
      }
      
      if (trend[i]>0 && Dn[i]<Dn[i-1]){
         Dn[i]=Dn[i-1];
                }
      
      if (trend[i]<0 && Up[i]>Up[i-1])
        { Up[i]=Up[i-1];
                }
      
      if (flag==1)
       {  Up[i]=(H[i]+L[i])/2+(Factor*iATR[i]);;
        } 
      if (flagh==1)
        { Dn[i]=(H[i]+L[i])/2-(Factor*iATR[i]);;
         }
      if (trend[i]==1) {
         TrendUp[i]=Dn[i];
         if (changeOfTrend == 1) {
            TrendUp[i-1] = TrendDown[i-1];
            changeOfTrend = 0;
         }
      }
      else if (trend[i]==-1) {
         TrendDown[i]=Up[i];
         if (changeOfTrend == 1) {
            TrendDown[i-1] = TrendUp[i-1];
            changeOfTrend = 0;
         }
      }
   } 

Plot(TrendUp,"Trend",colorGreen);
Plot(TrendDown,"Down",colorRed);

Buy = trend==1;
Sell=trend==-1;

Buy=ExRem(Buy,Sell);
Sell=ExRem(Sell,Buy);
Short=Sell;
Cover=Buy;


BuyPrice=ValueWhen(Buy,C);
SellPrice=ValueWhen(Sell,C);
ShortPrice=ValueWhen(Short,C);
CoverPrice=ValueWhen(Cover,C);


Title = EncodeColor(colorWhite)+ "Super Trend AFL code from www.marketcalls.in"
+ " - " +  Name() + " - " + EncodeColor(colorRed)+ Interval(2) +
EncodeColor(colorWhite) +
 "  - " + Date() +" - "+"\n" +EncodeColor(colorRed) +"Op-"+O+"  "+"Hi-"+H+" 
"+"Lo-"+L+"  "+
"Cl-"+C+"  "+ "Vol= "+ WriteVal(V)+"\n"+ 
EncodeColor(colorLime)+
WriteIf (Buy , " GO LONG / Reverse Signal at "+C+"  ","")+
WriteIf (Sell , " EXIT LONG / Reverse Signal at "+C+" 
","")+"\n"+EncodeColor(colorYellow)+
WriteIf(Sell , "Total Profit/Loss for the Last Trade Rs."+(C-BuyPrice)+"","")+
WriteIf(Buy  , "Total Profit/Loss for the Last trade
Rs."+(SellPrice-C)+"","");

PlotShapes(IIf(Buy, shapeSquare, shapeNone),colorGreen, 0, L, Offset=-40);
PlotShapes(IIf(Buy, shapeSquare, shapeNone),colorLime, 0,L, Offset=-50);       
              
PlotShapes(IIf(Buy, shapeUpArrow, shapeNone),colorWhite, 0,L, Offset=-45); 
PlotShapes(IIf(Short, shapeSquare, shapeNone),colorRed, 0, H, Offset=40);
PlotShapes(IIf(Short, shapeSquare, shapeNone),colorOrange, 0,H, Offset=50);    
                 
PlotShapes(IIf(Short, shapeDownArrow, shapeNone),colorWhite, 0,H, Offset=-45);

_SECTION_END();