//+------------------------------------------------------------------+
//| Heiken Ashi Ma T3.mq4 |
//+------------------------------------------------------------------+
//| mod by Raff |
//| 2009 mod by mladen |
//+------------------------------------------------------------------+
#property copyright "Copyright � 2008,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 Aqua
#property indicator_color6 Magenta
#property indicator_width1 1
#property indicator_width2 1
#property indicator_width3 2
#property indicator_width4 2
#property indicator_width5 1
#property indicator_width6 1
extern int MaMetod = 2;
extern int MaPeriod = 6;
extern int Step = 1;
extern bool BetterFormula = true;
extern int T3Period = 14;
extern bool T3Average = false;
extern double T3Hot = 0.70;
extern bool T3Original = false;
extern bool Alerts = true;
//
//
//
//
//
double ExtMapBuffer1[];
double ExtMapBuffer2[];
double ExtMapBuffer3[];
double ExtMapBuffer4[];
double UpArrow[];
double DnArrow[];
//
//
//
//
//
double emas[][24];
double alpha;
double c1;
double c2;
double c3;
double c4;
static bool TurnedUp = false;
static bool TurnedDown = false;
datetime timeprev = 0;
//+------------------------------------------------------------------+
//| |
//|------------------------------------------------------------------|
//
//
//
//
//
int init()
{
SetIndexBuffer(0, ExtMapBuffer1); SetIndexStyle(0,DRAW_HISTOGRAM);
SetIndexBuffer(1, ExtMapBuffer2); SetIndexStyle(1,DRAW_HISTOGRAM);
SetIndexBuffer(2, ExtMapBuffer3); SetIndexStyle(2,DRAW_HISTOGRAM);
SetIndexBuffer(3, ExtMapBuffer4); SetIndexStyle(3,DRAW_HISTOGRAM);
SetIndexBuffer(4, UpArrow); SetIndexStyle(4,DRAW_ARROW); SetIndexArrow(4,233);
SetIndexBuffer(5, DnArrow); SetIndexStyle(5,DRAW_ARROW); SetIndexArrow(5,234);
//
//
//
//
//
double a = T3Hot;
c1 = -a*a*a;
c2 = 3*(a*a+a*a*a);
c3 = -3*(2*a*a+a+a*a*a);
c4 = 1+3*a+a*a*a+3*a*a;
T3Period = MathMax(1,T3Period);
if (T3Original)
alpha = 2.0/(1.0 + T3Period);
else alpha = 2.0/(2.0 + (T3Period-1.0)/2.0);
return(0);
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
//
//
//
//
//
int start()
{
double maOpen, maClose, maLow, maHigh;
double haOpen, haClose, haLow, haHigh;
int counted_bars=IndicatorCounted();
int pointModifier;
int i,limit;
//
//
//
//
//
if(timeprev<iTime(NULL,0,0)) {TurnedDown=false; TurnedUp=false;timeprev=iTime(NULL,0,0);}
if(counted_bars<0) return(-1);
if(counted_bars>0) counted_bars--;
limit = Bars-counted_bars;
if (ArrayRange(emas,0) != Bars) ArrayResize(emas,Bars);
if (Digits==3 || Digits==5)
pointModifier = 10;
else pointModifier = 1;
//
//
//
//
//
for(int pos=limit; pos >= 0; pos--)
{
if (T3Average)
{
maOpen = iT3(Open[pos] ,pos, 0);
maClose = iT3(Close[pos],pos, 6);
maLow = iT3(Low[pos] ,pos,12);
maHigh = iT3(High[pos] ,pos,18);
}
else
{
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,PRICE_LOW, pos);
maHigh = iMA(NULL, 0, MaPeriod, 0, MaMetod,PRICE_HIGH, pos);
}
//
//
//
//
//
if (BetterFormula) {
if (maHigh!=maLow)
haClose = (maOpen+maClose)/2+(((maClose-maOpen)/(maHigh-maLow))*MathAbs((maClose-maOpen)/2));
else haClose = (maOpen+maClose)/2; }
else haClose = (maOpen+maHigh+maLow+maClose)/4;
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*pointModifier*Point ) ExtMapBuffer1[pos]=ExtMapBuffer1[pos+1];
if( MathAbs(ExtMapBuffer2[pos]-ExtMapBuffer2[pos+1]) < Step*pointModifier*Point ) ExtMapBuffer2[pos]=ExtMapBuffer2[pos+1];
if( MathAbs(ExtMapBuffer3[pos]-ExtMapBuffer3[pos+1]) < Step*pointModifier*Point ) ExtMapBuffer3[pos]=ExtMapBuffer3[pos+1];
if( MathAbs(ExtMapBuffer4[pos]-ExtMapBuffer4[pos+1]) < Step*pointModifier*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]-iATR(NULL,0,20,i)/2.0;
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]+iATR(NULL,0,20,i)/2.0;
if (DnArrow[0]!=EMPTY_VALUE && TurnedDown==false)
{
Alert("HAMa SELL: ",Symbol()," - ",Period()," at ", Close[0]," - ", TimeToStr(CurTime(),TIME_SECONDS));
TurnedUp=false;
TurnedDown=true;
}
}
}
}
}
return(0);
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
//
//
//
//
//
double iT3(double price,int shift,int buffer)
{
int i = Bars-shift-1;
if (i < 1)
{
emas[i][0+buffer] = price;
emas[i][1+buffer] = price;
emas[i][2+buffer] = price;
emas[i][3+buffer] = price;
emas[i][4+buffer] = price;
emas[i][5+buffer] = price;
}
else
{
emas[i][0+buffer] = emas[i-1][0+buffer]+alpha*(price -emas[i-1][0+buffer]);
emas[i][1+buffer] = emas[i-1][1+buffer]+alpha*(emas[i][0+buffer]-emas[i-1][1+buffer]);
emas[i][2+buffer] = emas[i-1][2+buffer]+alpha*(emas[i][1+buffer]-emas[i-1][2+buffer]);
emas[i][3+buffer] = emas[i-1][3+buffer]+alpha*(emas[i][2+buffer]-emas[i-1][3+buffer]);
emas[i][4+buffer] = emas[i-1][4+buffer]+alpha*(emas[i][3+buffer]-emas[i-1][4+buffer]);
emas[i][5+buffer] = emas[i-1][5+buffer]+alpha*(emas[i][4+buffer]-emas[i-1][5+buffer]);
}
return(c1*emas[i][5+buffer] + c2*emas[i][4+buffer] + c3*emas[i][3+buffer] + c4*emas[i][2+buffer]);
}