//+------------------------------------------------------------------+
//| Heiken Ashi Ma T3.mq4 |
//| |
//| mod by Raff |
//+------------------------------------------------------------------+
#property copyright "Copyright � 2006, Forex-TSD.com "
#property link "http://www.forex-tsd.com/"
//----
#property indicator_chart_window
#property indicator_buffers 6
#property indicator_color1 Red
#property indicator_color2 RoyalBlue
#property indicator_color3 Red
#property indicator_color4 RoyalBlue
#property indicator_color5 Lime
#property indicator_color6 Magenta
#property indicator_width1 1
#property indicator_width2 1
#property indicator_width3 1
#property indicator_width4 1
#property indicator_width5 1
#property indicator_width6 1
//---- parameters
extern int MaPeriod=10;
extern int MaMetod =2;
extern int Step=10;
extern int CountBars=4000;
extern bool UseT3=true;
extern double b=0.88;
extern bool Alerts=true;
//---- buffers
double ExtMapBuffer1[];
double ExtMapBuffer2[];
double ExtMapBuffer3[];
double ExtMapBuffer4[];
double UpArrow[];
double DnArrow[];
//----
double e1,e2,e3,e4,e5,e6;
double c1,c2,c3,c4;
double n,w1,w2,b2,b3;
//----
int ExtCountedBars=0;
static bool TurnedUp=false;
static bool TurnedDown=false;
datetime timeprev=0;
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//|------------------------------------------------------------------|
int init()
{
//---- indicators
IndicatorBuffers(6);
SetIndexStyle(0,DRAW_HISTOGRAM);
SetIndexBuffer(0, ExtMapBuffer1);
SetIndexStyle(1,DRAW_HISTOGRAM);
SetIndexBuffer(1, ExtMapBuffer2);
SetIndexStyle(2,DRAW_HISTOGRAM);
SetIndexBuffer(2, ExtMapBuffer3);
SetIndexStyle(3,DRAW_HISTOGRAM);
SetIndexBuffer(3, ExtMapBuffer4);
SetIndexBuffer(4, UpArrow);
SetIndexStyle(4,DRAW_ARROW);
SetIndexArrow(4,233);
SetIndexBuffer(5,DnArrow);
SetIndexStyle(5,DRAW_ARROW);
SetIndexArrow(5,234);
//---- indicator buffers mapping
SetIndexBuffer(0,ExtMapBuffer1);
SetIndexBuffer(1,ExtMapBuffer2);
SetIndexBuffer(2,ExtMapBuffer3);
SetIndexBuffer(3,ExtMapBuffer4);
SetIndexBuffer(4,UpArrow);
SetIndexBuffer(5,DnArrow);
//---- variable reset
e1=0; e2=0; e3=0; e4=0; e5=0; e6=0;
c1=0; c2=0; c3=0; c4=0;
n=0;
w1=0; w2=0;
b2=0; b3=0;
b2=b*b;
b3=b2*b;
c1=-b3;
c2=(3*(b2+b3));
c3=-3*(2*b2+b+b3);
c4=(1+3*b+b3+3*b2);
n=MaPeriod;
if (n<1) n=1;
n=1 + 0.5*(n-1);
w1=2/(n + 1);
w2=1 - w1;
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
if(timeprev<iTime(NULL,0,0)) {TurnedDown=false; TurnedUp=false;timeprev=iTime(NULL,0,0);}
if (CountBars>Bars-1) CountBars=Bars-1;
double maOpen, maClose, maLow, maHigh;
double haOpen, haHigh, haLow, haClose;
if(Bars<=10) return(0);
//ExtCountedBars=IndicatorCounted();
//---- check for possible errors
//if (ExtCountedBars<0) return(-1);
//---- last counted bar will be recounted
//if (ExtCountedBars>0) ExtCountedBars--;
int pos=CountBars;//-ExtCountedBars-1;
while(pos>=0)
{
if (UseT3)
{
maOpen=CalcT3(Open[pos]);
maClose=CalcT3(Close[pos]);
maLow=CalcT3(Low[pos]);
maHigh=CalcT3(High[pos]);
}
else
if (!UseT3)
{
maOpen=iMA(NULL,0,MaPeriod,0,MaMetod,PRICE_OPEN,pos);
maClose=iMA(NULL,0,MaPeriod,0,MaMetod,PRICE_CLOSE,pos);
maLow=iMA(NULL,0,MaPeriod,0,MaMetod,MODE_LOW,pos);
maHigh=iMA(NULL,0,MaPeriod,0,MaMetod,MODE_HIGH,pos);
}
haClose=(maOpen+maHigh+maLow+maClose)/4;
//haClose=(maOpen+maClose)/2+(((maClose-maOpen)/(maHigh-maLow))*MathAbs((maClose-maOpen)/2));
haOpen=(ExtMapBuffer3[pos+1]+ExtMapBuffer4[pos+1])/2;
haHigh=MathMax(maHigh, MathMax(haOpen, haClose));
haLow=MathMin(maLow, MathMin(haOpen, haClose));
if (haOpen<haClose)
{
ExtMapBuffer1[pos]=haLow;
ExtMapBuffer2[pos]=haHigh;
}
else
{
ExtMapBuffer1[pos]=haHigh;
ExtMapBuffer2[pos]=haLow;
}
ExtMapBuffer3[pos]=haOpen;
ExtMapBuffer4[pos]=haClose;
if (Step>0) if(MathAbs(ExtMapBuffer1[pos]-ExtMapBuffer1[pos+1]) < Step*Point)ExtMapBuffer1[pos]=ExtMapBuffer1[pos+1];
if (Step>0) if(MathAbs(ExtMapBuffer2[pos]-ExtMapBuffer2[pos+1]) < Step*Point)ExtMapBuffer2[pos]=ExtMapBuffer2[pos+1];
if (Step>0) if(MathAbs(ExtMapBuffer3[pos]-ExtMapBuffer3[pos+1]) < Step*Point)ExtMapBuffer3[pos]=ExtMapBuffer3[pos+1];
if (Step>0) if(MathAbs(ExtMapBuffer4[pos]-ExtMapBuffer4[pos+1]) < Step*Point)ExtMapBuffer4[pos]=ExtMapBuffer4[pos+1];
if (Alerts==true)
{
UpArrow[pos]=EMPTY_VALUE; DnArrow[pos]=EMPTY_VALUE;
if (ExtMapBuffer3[pos]<ExtMapBuffer4[pos] && ExtMapBuffer4[pos+1]<ExtMapBuffer3[pos+1])
{
UpArrow[pos]=ExtMapBuffer4[pos+1]-(Ask-Bid);
if (UpArrow[0]!=EMPTY_VALUE && TurnedUp==false)
{
Alert("HAMa BUY: ",Symbol()," - ",Period()," at ", Close[0]," - ", TimeToStr(CurTime(),TIME_SECONDS));
TurnedDown=false;
TurnedUp=true;
}
}
if (ExtMapBuffer3[pos]>ExtMapBuffer4[pos] && ExtMapBuffer4[pos+1]>ExtMapBuffer3[pos+1])
{
DnArrow[pos]=ExtMapBuffer4[pos+1]+(Ask-Bid);
if (DnArrow[0]!=EMPTY_VALUE && TurnedDown==false)
{
Alert("HAMa SELL: ",Symbol()," - ",Period()," at ", Close[0]," - ", TimeToStr(CurTime(),TIME_SECONDS));
TurnedUp=false;
TurnedDown=true;
}
}
}
pos--;
}
//----
return(0);
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
double CalcT3(double CalcPrice)
{
e1=w1*CalcPrice+w2*e1;
e2=w1*e1 + w2*e2;
e3=w1*e2 + w2*e3;
e4=w1*e3 + w2*e4;
e5=w1*e4 + w2*e5;
e6=w1*e5 + w2*e6;
double T3=c1*e6 + c2*e5 + c3*e4 + c4*e3;
return(T3);
}
//+------------------------------------------------------------------+