MA-Heiken.mq4

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//----
#property indicator_chart_window
#property indicator_buffers 3
#property indicator_color1 Green
#property indicator_style1 STYLE_SOLID
#property indicator_color2 Yellow
#property indicator_style2 STYLE_SOLID
#property indicator_color3 Aqua
#property indicator_style3 STYLE_SOLID
#property indicator_width1 2
#property indicator_width2 2
#property indicator_width3 2

//---- input parameters
extern int MA_Period = 8;
extern int MA_method = 1;

//---- buffers
double mahup[];
double mahdown[];
double maheven[];
double Hp[];

//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{

IndicatorBuffers(4);
SetIndexBuffer(3, Hp);
SetIndexStyle(2, DRAW_LINE);
SetIndexBuffer(2, mahdown);
SetIndexStyle(1, DRAW_LINE);
SetIndexBuffer(1, mahup);
SetIndexStyle(0, DRAW_LINE);
SetIndexBuffer(0, maheven);

return(0);
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
int start()
{
int i;
double mahp , mahpre;
int limit;
int counted_bars=IndicatorCounted();

//---- check for possible errors
if(counted_bars<0) return(-1);

//---- last counted bar will be recounted
if(counted_bars>0) counted_bars--;
limit=Bars-counted_bars;

for(i=0; i < limit; i++)
{
Hp[i] = ((Open[i+2] + Close[i+2] + Open[i+1] + Close[i+1])/4 +
(Open[i] + Close[i] + High[i] + Low[i])/4)/2;

}
for(i=0; i < limit; i++)
{
mahp = iMAOnArray(Hp,0,MA_Period,0,MA_method,i);
mahpre = iMAOnArray(Hp,0,MA_Period,0,MA_method,i+1);

mahup[i] = mahp;
mahdown[i] = mahp;
maheven[i] = mahp;

if (mahpre > mahp)
{
mahup[i] = EMPTY_VALUE;

}
else if (mahpre < mahp)
{
mahdown[i] = EMPTY_VALUE;

}
else
{

mahup[i]=EMPTY_VALUE;
mahdown[i]=EMPTY_VALUE;
}
}

return(0);
}
//+------------------------------------------------------------------+

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