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Neuron.CCI.mq4
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Neuron.CCI.mq4
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#property copyright "Niketion"
#property link "https://www.github.com/Niketion/Neuron"
#property version "2.0.0-rc.1"
#property indicator_separate_window
#property indicator_buffers 1
#property indicator_color1 White
//---- input parameters
int CCIPeriod=14;
int CCIHigh=200;
int CCILow=-200;
int PlayedSoundH = False;
int PlayedSoundL = False;
//---- buffers
double CCIBuffer[];
double RelBuffer[];
double DevBuffer[];
double MovBuffer[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
string short_name;
//---- 3 additional buffers are used for counting.
IndicatorBuffers(4);
SetIndexBuffer(1, RelBuffer);
SetIndexBuffer(2, DevBuffer);
SetIndexBuffer(3, MovBuffer);
//---- indicator lines
SetIndexStyle(0,DRAW_LINE);
SetIndexBuffer(0,CCIBuffer);
//---- name for DataWindow and indicator subwindow label
short_name="Neuron.CCI";
IndicatorShortName(short_name);
SetIndexLabel(0,short_name);
//----
SetIndexDrawBegin(0,CCIPeriod);
//----
return(0);
}
//+------------------------------------------------------------------+
//| Commodity Channel Index |
//+------------------------------------------------------------------+
int start()
{
int i,k,counted_bars=IndicatorCounted();
double price,sum,mul;
if(Bars<=CCIPeriod) return(0);
//---- initial zero
if(counted_bars<1)
{
for(i=1;i<=CCIPeriod;i++) CCIBuffer[Bars-i]=0.0;
for(i=1;i<=CCIPeriod;i++) DevBuffer[Bars-i]=0.0;
for(i=1;i<=CCIPeriod;i++) MovBuffer[Bars-i]=0.0;
}
//---- last counted bar will be recounted
int limit=Bars-counted_bars;
if(counted_bars>0) limit++;
//---- moving average
for(i=0; i<limit; i++)
MovBuffer[i]=iMA(NULL,0,CCIPeriod,0,MODE_SMA,PRICE_TYPICAL,i);
//---- standard deviations
i=Bars-CCIPeriod+1;
if(counted_bars>CCIPeriod-1) i=Bars-counted_bars-1;
mul=0.015/CCIPeriod;
while(i>=0)
{
sum=0.0;
k=i+CCIPeriod-1;
while(k>=i)
{
price=(High[k]+Low[k]+Close[k])/3;
sum+=MathAbs(price-MovBuffer[i]);
k--;
}
DevBuffer[i]=sum*mul;
i--;
}
i=Bars-CCIPeriod+1;
if(counted_bars>CCIPeriod-1) i=Bars-counted_bars-1;
while(i>=0)
{
price=(High[i]+Low[i]+Close[i])/3;
RelBuffer[i]=price-MovBuffer[i];
i--;
}
//---- cci counting
i=Bars-CCIPeriod+1;
if(counted_bars>CCIPeriod-1) i=Bars-counted_bars-1;
while(i>=0)
{
if(DevBuffer[i]==0.0) CCIBuffer[i]=0.0;
else CCIBuffer[i]=RelBuffer[i]/DevBuffer[i];
i--;
}
if(CCIBuffer[0]>=CCIHigh){
Alerts();
} else if(CCIBuffer[0]<=CCILow){
Alerts();
} else {
ObjectSetText("cci", "n", 15, "Wingdings", clrRed);
GlobalVariableSet("neuron.cci." + Symbol(), false);
}
//----
return(0);
}
void Alerts() {
GlobalVariableSet("neuron.cci." + Symbol(), true);
ObjectSetText("cci", "n", 15, "Wingdings", clrGreen);
}
//+------------------------------------------------------------------+