//+------------------------------------------------------------------+
//| CCI nrp.mq4 |
//+------------------------------------------------------------------+
#property copyright "www,forex-tsd.com"
#property link "www,forex-tsd.com"
#property indicator_separate_window
#property indicator_buffers 5
#property indicator_color1 MediumOrchid
#property indicator_width2 2
#property indicator_width3 2
#property indicator_width4 2
#property indicator_width5 2
//
//
//
//
//
extern string TimeFrame = "current time frame";
extern int CciPeriod = 14;
extern int CciMaMethod = MODE_SMA;
extern int CciPrice = PRICE_TYPICAL;
extern int SmoothPeriod = 0;
extern int SmoothMethod = MODE_SMA;
extern double OverSold = -200;
extern double OverBought = 200;
extern color OverSoldColor = DeepSkyBlue;
extern color OverBoughtColor = Red;
extern bool divergenceVisible = false;
extern bool divergenceOnIndicatorVisible = true;
extern bool divergenceOnChartVisible = true;
extern color divergenceBullishColor = DeepSkyBlue;
extern color divergenceBearishColor = PaleVioletRed;
extern string divergenceUniqueID = "ccidiv1";
extern bool Interpolate = true;
extern bool alertsOn = true;
extern bool alertsOnZeroCross = false;
extern bool alertsOnObOs = true;
extern bool alertsOnCurrent = false;
extern bool alertsMessage = true;
extern bool alertsSound = true;
extern bool alertsNotify = false;
extern bool alertsEmail = false;
extern bool arrowsVisible = true;
extern string arrowsIdentifier = "Cci Arrows1";
extern double arrowsDisplacement = 1.0;
extern bool arrowsOnZeroCross = false;
extern color arrowsUpZeroCrossColor = DeepSkyBlue;
extern color arrowsDnZeroCrossColor = Red;
extern int arrowsUpZeroCrossCode = 233;
extern int arrowsDnZeroCrossCode = 234;
extern int arrowsUpZeroCrossSize = 1;
extern int arrowsDnZeroCrossSize = 1;
extern bool arrowsOnObOs = true;
extern color arrowsUpObOsColor = LimeGreen;
extern color arrowsDnObOsColor = Red;
extern int arrowsUpObOsCode = 119;
extern int arrowsDnObOsCode = 119;
extern int arrowsUpObOsSize = 2;
extern int arrowsDnObOsSize = 2;
extern string MaMethods = "";
extern string __0 = "SMA";
extern string __1 = "EMA";
extern string __2 = "Double smoothed EMA";
extern string __3 = "Double EMA (DEMA)";
extern string __4 = "Triple EMA (TEMA)";
extern string __5 = "Smoothed MA";
extern string __6 = "Linear weighted MA";
extern string __7 = "Parabolic weighted MA";
extern string __8 = "Alexander MA";
extern string __9 = "Volume weghted MA";
extern string __10 = "Hull MA";
extern string __11 = "Triangular MA";
extern string __12 = "Sine weighted MA";
extern string __13 = "Linear regression";
extern string __14 = "IE/2";
extern string __15 = "NonLag MA";
extern string __16 = "Zero lag EMA";
extern string __17 = "Leader EMA";
extern string __18 = "Super smoother";
extern string __19 = "Smoother";
//
//
//
//
//
double cci[];
double cciUpa[];
double cciUpb[];
double cciDna[];
double cciDnb[];
double prices[];
double trend[];
double cross[];
//
//
//
//
//
string indicatorFileName;
bool calculateValue;
bool returnBars;
int timeFrame;
string shortName;
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
//
//
//
//
//
int init()
{
IndicatorBuffers(8);
SetIndexBuffer(0,cci);
SetIndexBuffer(1,cciUpa); SetIndexStyle(1,DRAW_LINE,EMPTY,EMPTY,OverSoldColor);
SetIndexBuffer(2,cciUpb); SetIndexStyle(2,DRAW_LINE,EMPTY,EMPTY,OverSoldColor);
SetIndexBuffer(3,cciDna); SetIndexStyle(3,DRAW_LINE,EMPTY,EMPTY,OverBoughtColor);
SetIndexBuffer(4,cciDnb); SetIndexStyle(4,DRAW_LINE,EMPTY,EMPTY,OverBoughtColor);
SetIndexBuffer(5,prices);
SetIndexBuffer(6,trend);
SetIndexBuffer(7,cross);
SetLevelValue(0,0);
SetLevelValue(1,OverBought);
SetLevelValue(2,OverSold);
//
//
//
//
//
SmoothPeriod = MathMax(1,SmoothPeriod);
indicatorFileName = WindowExpertName();
returnBars = (TimeFrame=="returnBars"); if (returnBars) return(0);
calculateValue = (TimeFrame=="calculateValue");
if (calculateValue)
{
int s = StringFind(divergenceUniqueID,":",0);
shortName = divergenceUniqueID;
divergenceUniqueID = StringSubstr(divergenceUniqueID,0,s);
return(0);
}
timeFrame = stringToTimeFrame(TimeFrame);
//
//
//
//
//
string add = " - "+getAverageName(SmoothMethod)+" smoothed (";
if (SmoothPeriod <= 1) add = " (";
shortName = divergenceUniqueID+": "+timeFrameToString(timeFrame)+" cci of "+getAverageName(CciMaMethod)+add+CciPeriod+","+SmoothPeriod+")";
IndicatorShortName(shortName);
return(0);
}
//
//
//
//
//
int deinit()
{
int lookForLength = StringLen(divergenceUniqueID);
for (int i=ObjectsTotal()-1; i>=0; i--)
{
string name = ObjectName(i); if (StringSubstr(name,0,lookForLength) == divergenceUniqueID) ObjectDelete(name);
}
if (!calculateValue && arrowsVisible) deleteArrows();
return(0);
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
//
//
//
//
int start()
{
int limit,n,counted_bars=IndicatorCounted();
if(counted_bars<0) return(-1);
if(counted_bars>0) counted_bars--;
limit = MathMin(Bars-counted_bars,Bars-2);
if (returnBars) { cci[0] = limit; return(0); }
//
//
//
//
//
if (calculateValue || timeFrame==Period())
{
if (trend[limit]== 1) CleanPoint(limit,cciUpa,cciUpb);
if (trend[limit]==-1) CleanPoint(limit,cciDna,cciDnb);
for(int i=limit; i>=0; i--)
{
prices[i] = getPrice(CciPrice,i);
double avg = iCustomMa(CciMaMethod,prices[i],CciPeriod,i,0);
double dev = 0; for(int k=0; k<CciPeriod; k++) dev += MathAbs(prices[i+k]-avg); dev /= CciPeriod;
if (dev!=0)
cci[i] = iCustomMa(SmoothMethod,(prices[i]-avg)/(0.015*dev),SmoothPeriod,i,1);
else cci[i] = iCustomMa(SmoothMethod,0 ,SmoothPeriod,i,1);
if (divergenceVisible)
{
CatchBullishDivergence(cci,i);
CatchBearishDivergence(cci,i);
}
//
//
//
//
//
cciUpa[i] = EMPTY_VALUE;
cciUpb[i] = EMPTY_VALUE;
cciDna[i] = EMPTY_VALUE;
cciDnb[i] = EMPTY_VALUE;
trend[i] = trend[i+1];
cross[i] = cross[i+1];
if (cci[i]>OverSold && cci[i]<OverBought) trend[i] = 0;
if (cci[i]>OverBought) trend[i] =-1;
if (cci[i]<OverSold) trend[i] = 1;
if (cci[i] > 0) cross[i] = 1;
if (cci[i] < 0) cross[i] =-1;
if (trend[i] == 1) PlotPoint(i,cciUpa,cciUpb,cci);
if (trend[i] == -1) PlotPoint(i,cciDna,cciDnb,cci);
manageArrow(i);
}
manageAlerts();
return(0);
}
//
//
//
//
//
limit = MathMax(limit,MathMin(Bars-1,iCustom(NULL,timeFrame,indicatorFileName,"returnBars",0,0)*timeFrame/Period()));
if (trend[limit]== 1) CleanPoint(limit,cciUpa,cciUpb);
if (trend[limit]==-1) CleanPoint(limit,cciDna,cciDnb);
for (i=limit;i>=0;i--)
{
int y = iBarShift(NULL,timeFrame,Time[i]);
cci[i] = iCustom(NULL,timeFrame,indicatorFileName,"calculateValue",CciPeriod,CciMaMethod,CciPrice,SmoothPeriod,SmoothMethod,OverSold,OverBought,OverSoldColor,OverBoughtColor,divergenceVisible,divergenceOnIndicatorVisible,divergenceOnChartVisible,divergenceBullishColor,divergenceBearishColor,shortName,Interpolate,0,y);
trend[i] = iCustom(NULL,timeFrame,indicatorFileName,"calculateValue",CciPeriod,CciMaMethod,CciPrice,SmoothPeriod,SmoothMethod,OverSold,OverBought,OverSoldColor,OverBoughtColor,divergenceVisible,divergenceOnIndicatorVisible,divergenceOnChartVisible,divergenceBullishColor,divergenceBearishColor,shortName,Interpolate,6,y);
cross[i] = iCustom(NULL,timeFrame,indicatorFileName,"calculateValue",CciPeriod,CciMaMethod,CciPrice,SmoothPeriod,SmoothMethod,OverSold,OverBought,OverSoldColor,OverBoughtColor,divergenceVisible,divergenceOnIndicatorVisible,divergenceOnChartVisible,divergenceBullishColor,divergenceBearishColor,shortName,Interpolate,7,y);
cciUpa[i] = EMPTY_VALUE;
cciUpb[i] = EMPTY_VALUE;
cciDna[i] = EMPTY_VALUE;
cciDnb[i] = EMPTY_VALUE;
manageArrow(i);
//
//
//
//
//
if (!Interpolate || y==iBarShift(NULL,timeFrame,Time[i-1])) continue;
//
//
//
//
//
datetime time = iTime(NULL,timeFrame,y);
for(n = 1; i+n < Bars && Time[i+n] >= time; n++) continue;
for(k = 1; k < n; k++)
cci[i+k] = cci[i] + (cci[i+n]-cci[i])*k/n;
}
for (i=limit;i>=0;i--)
{
if (trend[i]== 1) PlotPoint(i,cciUpa,cciUpb,cci);
if (trend[i]==-1) PlotPoint(i,cciDna,cciDnb,cci);
}
manageAlerts();
return(0);
}
//+-------------------------------------------------------------------
//|
//+-------------------------------------------------------------------
//
//
//
//
//
void CleanPoint(int i,double& first[],double& second[])
{
if ((second[i] != EMPTY_VALUE) && (second[i+1] != EMPTY_VALUE))
second[i+1] = EMPTY_VALUE;
else
if ((first[i] != EMPTY_VALUE) && (first[i+1] != EMPTY_VALUE) && (first[i+2] == EMPTY_VALUE))
first[i+1] = EMPTY_VALUE;
}
//
//
//
//
//
void PlotPoint(int i,double& first[],double& second[],double& from[])
{
if (first[i+1] == EMPTY_VALUE)
{
if (first[i+2] == EMPTY_VALUE) {
first[i] = from[i];
first[i+1] = from[i+1];
second[i] = EMPTY_VALUE;
}
else {
second[i] = from[i];
second[i+1] = from[i+1];
first[i] = EMPTY_VALUE;
}
}
else
{
first[i] = from[i];
second[i] = EMPTY_VALUE;
}
}
//
//
//
//
//
void manageAlerts()
{
if (!calculateValue && alertsOn)
{
if (alertsOnCurrent)
int whichBar = 0;
else whichBar = 1; whichBar = iBarShift(NULL,0,iTime(NULL,timeFrame,whichBar));
//
//
//
//
//
static datetime time1 = 0;
static string mess1 = "";
if (alertsOnZeroCross && cross[whichBar] != cross[whichBar+1])
{
if (cross[whichBar] == 1) doAlert(time1,mess1,whichBar,"Crossed zero line up");
if (cross[whichBar] == -1) doAlert(time1,mess1,whichBar,"Crossed zero line down");
}
static datetime time2 = 0;
static string mess2 = "";
if (alertsOnObOs && trend[whichBar] != trend[whichBar+1])
{
if (trend[whichBar] == 1) doAlert(time2,mess2,whichBar,"Oversold");
if (trend[whichBar] == -1) doAlert(time2,mess2,whichBar,"Overbought");
}
}
}
//
//
//
//
//
void doAlert(datetime& previousTime, string& previousAlert, int forBar, string doWhat)
{
string message;
if (previousAlert != doWhat || previousTime != Time[forBar]) {
previousAlert = doWhat;
previousTime = Time[forBar];
//
//
//
//
//
message = StringConcatenate(Symbol()," ",timeFrameToString(timeFrame)," at ",TimeToStr(TimeLocal(),TIME_SECONDS)," CCI ",doWhat);
if (alertsMessage) Alert(message);
if (alertsNotify) SendNotification(message);
if (alertsEmail) SendMail(StringConcatenate(Symbol()," CCI "),message);
if (alertsSound) PlaySound("alert2.wav");
}
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
//
//
//
//
//
void manageArrow(int i)
{
if (!calculateValue && arrowsVisible)
{
deleteArrow(Time[i]);
if (arrowsOnZeroCross && cross[i] != cross[i+1])
{
if (cross[i] == 1) drawArrow(i,arrowsUpZeroCrossColor,arrowsUpZeroCrossCode,arrowsUpZeroCrossSize,false);
if (cross[i] ==-1) drawArrow(i,arrowsDnZeroCrossColor,arrowsDnZeroCrossCode,arrowsDnZeroCrossSize,true);
}
if (arrowsOnObOs && trend[i]!= trend[i+1])
{
if (trend[i] == 1) drawArrow(i,arrowsUpObOsColor,arrowsUpObOsCode,arrowsUpObOsSize,false);
if (trend[i] ==-1) drawArrow(i,arrowsDnObOsColor,arrowsDnObOsCode,arrowsDnObOsSize,true);
}
}
}
//
//
//
//
//
void drawArrow(int i,color theColor,int theCode,int theSize, bool up)
{
string name = arrowsIdentifier+":"+Time[i];
double gap = iATR(NULL,0,20,i);
//
//
//
//
//
ObjectCreate(name,OBJ_ARROW,0,Time[i],0);
ObjectSet(name,OBJPROP_ARROWCODE,theCode );
ObjectSet(name,OBJPROP_COLOR, theColor);
ObjectSet(name,OBJPROP_WIDTH, theSize );
if (up)
ObjectSet(name,OBJPROP_PRICE1,High[i] + arrowsDisplacement * gap);
else ObjectSet(name,OBJPROP_PRICE1, Low[i] - arrowsDisplacement * gap);
}
//
//
//
//
//
void deleteArrows()
{
string lookFor = arrowsIdentifier+":";
int lookForLength = StringLen(lookFor);
for (int i=ObjectsTotal()-1; i>=0; i--)
{
string objectName = ObjectName(i);
if (StringSubstr(objectName,0,lookForLength) == lookFor) ObjectDelete(objectName);
}
}
//
//
//
//
//
void deleteArrow(datetime time)
{
string lookFor = arrowsIdentifier+":"+time; ObjectDelete(lookFor);
}
//+------------------------------------------------------------------
//|
//+------------------------------------------------------------------
//
//
//
//
//
double getPrice(int type, int i)
{
switch (type)
{
case 7: return((Open[i]+Close[i])/2.0);
case 8: return((Open[i]+High[i]+Low[i]+Close[i])/4.0);
default : return(iMA(NULL,0,1,0,MODE_SMA,MathMax(MathMin(type,6),1),i));
}
}
//------------------------------------------------------------------
//
//------------------------------------------------------------------
//
//
//
//
//
string methodNames[] = {"SMA","EMA","Double smoothed EMA","Double EMA","Triple EMA","Smoothed MA","Linear weighted MA","Parabolic weighted MA","Alexander MA","Volume weghted MA","Hull MA","Triangular MA","Sine weighted MA","Linear regression","IE/2","NonLag MA","Zero lag EMA","Leader EMA","Super smoother","Smoothed"};
string getAverageName(int& method)
{
int max = ArraySize(methodNames)-1;
method=MathMax(MathMin(method,max),0); return(methodNames[method]);
}
//
//
//
//
//
#define _maWorkBufferx1 2
#define _maWorkBufferx2 4
#define _maWorkBufferx3 6
#define _maWorkBufferx5 10
double iCustomMa(int mode, double price, double length, int i, int instanceNo=0)
{
int r = Bars-i-1;
switch (mode)
{
case 0 : return(iSma(price,length,r,instanceNo));
case 1 : return(iEma(price,length,r,instanceNo));
case 2 : return(iDsema(price,length,r,instanceNo));
case 3 : return(iDema(price,length,r,instanceNo));
case 4 : return(iTema(price,length,r,instanceNo));
case 5 : return(iSmma(price,length,r,instanceNo));
case 6 : return(iLwma(price,length,r,instanceNo));
case 7 : return(iLwmp(price,length,r,instanceNo));
case 8 : return(iAlex(price,length,r,instanceNo));
case 9 : return(iWwma(price,length,r,instanceNo));
case 10 : return(iHull(price,length,r,instanceNo));
case 11 : return(iTma(price,length,r,instanceNo));
case 12 : return(iSineWMA(price,length,r,instanceNo));
case 13 : return(iLinr(price,length,r,instanceNo));
case 14 : return(iIe2(price,length,r,instanceNo));
case 15 : return(iNonLagMa(price,length,r,instanceNo));
case 16 : return(iZeroLag(price,length,r,instanceNo));
case 17 : return(iLeader(price,length,r,instanceNo));
case 18 : return(iSsm(price,length,r,instanceNo));
case 19 : return(iSmooth(price,length,r,instanceNo));
default : return(0);
}
}
//------------------------------------------------------------------
//
//------------------------------------------------------------------
//
//
//
//
//
double workSma[][_maWorkBufferx2];
double iSma(double price, int period, int r, int instanceNo=0)
{
if (ArrayRange(workSma,0)!= Bars) ArrayResize(workSma,Bars); instanceNo *= 2;
//
//
//
//
//
workSma[r][instanceNo] = price;
if (r>=period)
workSma[r][instanceNo+1] = workSma[r-1][instanceNo+1]+(workSma[r][instanceNo]-workSma[r-period][instanceNo])/period;
else { workSma[r][instanceNo+1] = 0; for(int k=0; k<period && (r-k)>=0; k++) workSma[r][instanceNo+1] += workSma[r-k][instanceNo];
workSma[r][instanceNo+1] /= k; }
return(workSma[r][instanceNo+1]);
}
//
//
//
//
//
double workEma[][_maWorkBufferx1];
double iEma(double price, double period, int r, int instanceNo=0)
{
if (ArrayRange(workEma,0)!= Bars) ArrayResize(workEma,Bars);
//
//
//
//
//
double alpha = 2.0 / (1.0+period);
workEma[r][instanceNo] = workEma[r-1][instanceNo]+alpha*(price-workEma[r-1][instanceNo]);
return(workEma[r][instanceNo]);
}
//
//
//
//
//
double workDsema[][_maWorkBufferx2];
#define _ema1 0
#define _ema2 1
double iDsema(double price, double period, int r, int instanceNo=0)
{
if (ArrayRange(workDsema,0)!= Bars) ArrayResize(workDsema,Bars); instanceNo*=2;
//
//
//
//
//
double alpha = 2.0 /(1.0+MathSqrt(period));
workDsema[r][_ema1+instanceNo] = workDsema[r-1][_ema1+instanceNo]+alpha*(price -workDsema[r-1][_ema1+instanceNo]);
workDsema[r][_ema2+instanceNo] = workDsema[r-1][_ema2+instanceNo]+alpha*(workDsema[r][_ema1+instanceNo]-workDsema[r-1][_ema2+instanceNo]);
return(workDsema[r][_ema2+instanceNo]);
}
//
//
//
//
//
double workDema[][_maWorkBufferx2];
#define _dema1 0
#define _dema2 1
double iDema(double price, double period, int r, int instanceNo=0)
{
if (ArrayRange(workDema,0)!= Bars) ArrayResize(workDema,Bars); instanceNo*=2;
//
//
//
//
//
double alpha = 2.0 / (1.0+period);
workDema[r][_dema1+instanceNo] = workDema[r-1][_dema1+instanceNo]+alpha*(price -workDema[r-1][_dema1+instanceNo]);
workDema[r][_dema2+instanceNo] = workDema[r-1][_dema2+instanceNo]+alpha*(workDema[r][_dema1+instanceNo]-workDema[r-1][_dema2+instanceNo]);
return(workDema[r][_dema1+instanceNo]*2.0-workDema[r][_dema2+instanceNo]);
}
//
//
//
//
//
double workTema[][_maWorkBufferx3];
#define _tema1 0
#define _tema2 1
#define _tema3 2
double iTema(double price, double period, int r, int instanceNo=0)
{
if (ArrayRange(workTema,0)!= Bars) ArrayResize(workTema,Bars); instanceNo*=3;
//
//
//
//
//
double alpha = 2.0 / (1.0+period);
workTema[r][_tema1+instanceNo] = workTema[r-1][_tema1+instanceNo]+alpha*(price -workTema[r-1][_tema1+instanceNo]);
workTema[r][_tema2+instanceNo] = workTema[r-1][_tema2+instanceNo]+alpha*(workTema[r][_tema1+instanceNo]-workTema[r-1][_tema2+instanceNo]);
workTema[r][_tema3+instanceNo] = workTema[r-1][_tema3+instanceNo]+alpha*(workTema[r][_tema2+instanceNo]-workTema[r-1][_tema3+instanceNo]);
return(workTema[r][_tema3+instanceNo]+3.0*(workTema[r][_tema1+instanceNo]-workTema[r][_tema2+instanceNo]));
}
//
//
//
//
//
double workSmma[][_maWorkBufferx1];
double iSmma(double price, double period, int r, int instanceNo=0)
{
if (ArrayRange(workSmma,0)!= Bars) ArrayResize(workSmma,Bars);
//
//
//
//
//
if (r<period)
workSmma[r][instanceNo] = price;
else workSmma[r][instanceNo] = workSmma[r-1][instanceNo]+(price-workSmma[r-1][instanceNo])/period;
return(workSmma[r][instanceNo]);
}
//
//
//
//
//
double workLwma[][_maWorkBufferx1];
double iLwma(double price, double period, int r, int instanceNo=0)
{
if (ArrayRange(workLwma,0)!= Bars) ArrayResize(workLwma,Bars);
//
//
//
//
//
workLwma[r][instanceNo] = price;
double sumw = period;
double sum = period*price;
for(int k=1; k<period && (r-k)>=0; k++)
{
double weight = period-k;
sumw += weight;
sum += weight*workLwma[r-k][instanceNo];
}
return(sum/sumw);
}
//
//
//
//
//
double workLwmp[][_maWorkBufferx1];
double iLwmp(double price, double period, int r, int instanceNo=0)
{
if (ArrayRange(workLwmp,0)!= Bars) ArrayResize(workLwmp,Bars);
//
//
//
//
//
workLwmp[r][instanceNo] = price;
double sumw = period*period;
double sum = sumw*price;
for(int k=1; k<period && (r-k)>=0; k++)
{
double weight = (period-k)*(period-k);
sumw += weight;
sum += weight*workLwmp[r-k][instanceNo];
}
return(sum/sumw);
}
//
//
//
//
//
double workAlex[][_maWorkBufferx1];
double iAlex(double price, double period, int r, int instanceNo=0)
{
if (ArrayRange(workAlex,0)!= Bars) ArrayResize(workAlex,Bars);
if (period<4) return(price);
//
//
//
//
//
workAlex[r][instanceNo] = price;
double sumw = period-2;
double sum = sumw*price;
for(int k=1; k<period && (r-k)>=0; k++)
{
double weight = period-k-2;
sumw += weight;
sum += weight*workAlex[r-k][instanceNo];
}
return(sum/sumw);
}
//
//
//
//
//
double workTma[][_maWorkBufferx1];
double iTma(double price, double period, int r, int instanceNo=0)
{
if (ArrayRange(workTma,0)!= Bars) ArrayResize(workTma,Bars);
//
//
//
//
//
workTma[r][instanceNo] = price;
double half = (period+1.0)/2.0;
double sum = price;
double sumw = 1;
for(int k=1; k<period && (r-k)>=0; k++)
{
double weight = k+1; if (weight > half) weight = period-k;
sumw += weight;
sum += weight*workTma[r-k][instanceNo];
}
return(sum/sumw);
}
//
//
//
//
//
double workSineWMA[][_maWorkBufferx1];
#define Pi 3.14159265358979323846264338327950288
double iSineWMA(double price, int period, int r, int instanceNo=0)
{
if (period<1) return(price);
if (ArrayRange(workSineWMA,0)!= Bars) ArrayResize(workSineWMA,Bars);
//
//
//
//
//
workSineWMA[r][instanceNo] = price;
double sum = 0;
double sumw = 0;
for(int k=0; k<period && (r-k)>=0; k++)
{
double weight = MathSin(Pi*(k+1.0)/(period+1.0));
sumw += weight;
sum += weight*workSineWMA[r-k][instanceNo];
}
return(sum/sumw);
}
//
//
//
//
//
double workWwma[][_maWorkBufferx1];
double iWwma(double price, double period, int r, int instanceNo=0)
{
if (ArrayRange(workWwma,0)!= Bars) ArrayResize(workWwma,Bars);
//
//
//
//
//
workWwma[r][instanceNo] = price;
int i = Bars-r-1;
double sumw = Volume[i];
double sum = sumw*price;
for(int k=1; k<period && (r-k)>=0; k++)
{
double weight = Volume[i+k];
sumw += weight;
sum += weight*workWwma[r-k][instanceNo];
}
return(sum/sumw);
}
//
//
//
//
//
double workHull[][_maWorkBufferx2];
double iHull(double price, double period, int r, int instanceNo=0)
{
if (ArrayRange(workHull,0)!= Bars) ArrayResize(workHull,Bars);
//
//
//
//
//
int HmaPeriod = MathMax(period,2);
int HalfPeriod = MathFloor(HmaPeriod/2);
int HullPeriod = MathFloor(MathSqrt(HmaPeriod));
double hma,hmw,weight; instanceNo *= 2;
workHull[r][instanceNo] = price;
//
//
//
//
//
hmw = HalfPeriod; hma = hmw*price;
for(int k=1; k<HalfPeriod && (r-k)>=0; k++)
{
weight = HalfPeriod-k;
hmw += weight;
hma += weight*workHull[r-k][instanceNo];
}
workHull[r][instanceNo+1] = 2.0*hma/hmw;
hmw = HmaPeriod; hma = hmw*price;
for(k=1; k<period && (r-k)>=0; k++)
{
weight = HmaPeriod-k;
hmw += weight;
hma += weight*workHull[r-k][instanceNo];
}
workHull[r][instanceNo+1] -= hma/hmw;
//
//
//
//
//
hmw = HullPeriod; hma = hmw*workHull[r][instanceNo+1];
for(k=1; k<HullPeriod && (r-k)>=0; k++)
{
weight = HullPeriod-k;
hmw += weight;
hma += weight*workHull[r-k][1+instanceNo];
}
return(hma/hmw);
}
//
//
//
//
//
double workLinr[][_maWorkBufferx1];
double iLinr(double price, double period, int r, int instanceNo=0)
{
if (ArrayRange(workLinr,0)!= Bars) ArrayResize(workLinr,Bars);
//
//
//
//
//
period = MathMax(period,1);
workLinr[r][instanceNo] = price;
double lwmw = period; double lwma = lwmw*price;
double sma = price;
for(int k=1; k<period && (r-k)>=0; k++)
{
double weight = period-k;
lwmw += weight;
lwma += weight*workLinr[r-k][instanceNo];
sma += workLinr[r-k][instanceNo];
}
return(3.0*lwma/lwmw-2.0*sma/period);
}
//
//
//
//
//
double workIe2[][_maWorkBufferx1];
double iIe2(double price, double period, int r, int instanceNo=0)
{
if (ArrayRange(workIe2,0)!= Bars) ArrayResize(workIe2,Bars);
//
//
//
//
//
period = MathMax(period,1);
workIe2[r][instanceNo] = price;
double sumx=0, sumxx=0, sumxy=0, sumy=0;
for (int k=0; k<period; k++)
{
price = workIe2[r-k][instanceNo];
sumx += k;
sumxx += k*k;
sumxy += k*price;
sumy += price;
}
double slope = (period*sumxy - sumx*sumy)/(sumx*sumx-period*sumxx);
double average = sumy/period;
return(((average+slope)+(sumy+slope*sumx)/period)/2.0);
}
//
//
//
//
//
double workLeader[][_maWorkBufferx2];
double iLeader(double price, double period, int r, int instanceNo=0)
{
if (ArrayRange(workLeader,0)!= Bars) ArrayResize(workLeader,Bars); instanceNo*=2;
//
//
//
//
//
period = MathMax(period,1);
double alpha = 2.0/(period+1.0);
workLeader[r][instanceNo ] = workLeader[r-1][instanceNo ]+alpha*(price -workLeader[r-1][instanceNo ]);
workLeader[r][instanceNo+1] = workLeader[r-1][instanceNo+1]+alpha*(price-workLeader[r][instanceNo]-workLeader[r-1][instanceNo+1]);
return(workLeader[r][instanceNo]+workLeader[r][instanceNo+1]);
}
//
//
//
//
//
double workZl[][_maWorkBufferx2];
#define _price 0
#define _zlema 1
double iZeroLag(double price, double length, int r, int instanceNo=0)
{
if (ArrayRange(workZl,0)!=Bars) ArrayResize(workZl,Bars); instanceNo *= 2;
//
//
//
//
//
double alpha = 2.0/(1.0+length);
int per = (length-1.0)/2.0;
workZl[r][_price+instanceNo] = price;
if (r<per)
workZl[r][_zlema+instanceNo] = price;
else workZl[r][_zlema+instanceNo] = workZl[r-1][_zlema+instanceNo]+alpha*(2.0*price-workZl[r-per][_price+instanceNo]-workZl[r-1][_zlema+instanceNo]);
return(workZl[r][_zlema+instanceNo]);
}
//
//
//
//
//
double workSmooth[][_maWorkBufferx5];
double iSmooth(double price,int length,int r, int instanceNo=0)
{
if (ArrayRange(workSmooth,0)!=Bars) ArrayResize(workSmooth,Bars); instanceNo *= 5;
if(r<=2) { workSmooth[r][instanceNo] = price; workSmooth[r][instanceNo+2] = price; workSmooth[r][instanceNo+4] = price; return(price); }
//
//
//
//
//
double alpha = 0.45*(length-1.0)/(0.45*(length-1.0)+2.0);
workSmooth[r][instanceNo+0] = price+alpha*(workSmooth[r-1][instanceNo]-price);
workSmooth[r][instanceNo+1] = (price - workSmooth[r][instanceNo])*(1-alpha)+alpha*workSmooth[r-1][instanceNo+1];
workSmooth[r][instanceNo+2] = workSmooth[r][instanceNo+0] + workSmooth[r][instanceNo+1];
workSmooth[r][instanceNo+3] = (workSmooth[r][instanceNo+2] - workSmooth[r-1][instanceNo+4])*MathPow(1.0-alpha,2) + MathPow(alpha,2)*workSmooth[r-1][instanceNo+3];
workSmooth[r][instanceNo+4] = workSmooth[r][instanceNo+3] + workSmooth[r-1][instanceNo+4];
return(workSmooth[r][instanceNo+4]);
}
//
//
//
//
//
double workSsm[][_maWorkBufferx2];
#define _tprice 0
#define _ssm 1
double workSsmCoeffs[][4];
#define _period 0
#define _c1 1
#define _c2 2
#define _c3 3
//
//
//
//
//
double iSsm(double price, double period, int i, int instanceNo)
{
if (ArrayRange(workSsm,0) !=Bars) ArrayResize(workSsm,Bars);
if (ArrayRange(workSsmCoeffs,0) < (instanceNo+1)) ArrayResize(workSsmCoeffs,instanceNo+1);
if (workSsmCoeffs[instanceNo][_period] != period)
{
workSsmCoeffs[instanceNo][_period] = period;
double a1 = MathExp(-1.414*Pi/period);
double b1 = 2.0*a1*MathCos(1.414*Pi/period);
workSsmCoeffs[instanceNo][_c2] = b1;
workSsmCoeffs[instanceNo][_c3] = -a1*a1;
workSsmCoeffs[instanceNo][_c1] = 1.0 - workSsmCoeffs[instanceNo][_c2] - workSsmCoeffs[instanceNo][_c3];
}
//
//
//
//
//
int s = instanceNo*2;
workSsm[i][s+_tprice] = price;
workSsm[i][s+_ssm] = workSsmCoeffs[instanceNo][_c1]*(workSsm[i][s+_tprice]+workSsm[i-1][s+_price])/2.0 +
workSsmCoeffs[instanceNo][_c2]*workSsm[i-1][s+_ssm] +
workSsmCoeffs[instanceNo][_c3]*workSsm[i-2][s+_ssm];
return(workSsm[i][s+_ssm]);
}
//
//
//
//
//
#define _length 0
#define _len 1
#define _weight 2
double nlmvalues[3][_maWorkBufferx1];
double nlmprices[ ][_maWorkBufferx1];
double nlmalphas[ ][_maWorkBufferx1];
//
//
//
//
//
double iNonLagMa(double price, double length, int r, int instanceNo=0)
{
if (ArrayRange(nlmprices,0) != Bars) ArrayResize(nlmprices,Bars);
if (ArrayRange(nlmvalues,0) < instanceNo) ArrayResize(nlmvalues,instanceNo);
nlmprices[r][instanceNo]=price;
if (length<3 || r<3) return(nlmprices[r][instanceNo]);
//
//
//
//
//
if (nlmvalues[_length][instanceNo] != length || ArraySize(nlmalphas)==0)
{
double Cycle = 4.0;
double Coeff = 3.0*Pi;
int Phase = length-1;
nlmvalues[_length][instanceNo] = length;
nlmvalues[_len ][instanceNo] = length*4 + Phase;
nlmvalues[_weight][instanceNo] = 0;
if (ArrayRange(nlmalphas,0) < nlmvalues[_len][instanceNo]) ArrayResize(nlmalphas,nlmvalues[_len][instanceNo]);
for (int k=0; k<nlmvalues[_len][instanceNo]; k++)
{
if (k<=Phase-1)
double t = 1.0 * k/(Phase-1);
else t = 1.0 + (k-Phase+1)*(2.0*Cycle-1.0)/(Cycle*length-1.0);
double beta = MathCos(Pi*t);
double g = 1.0/(Coeff*t+1); if (t <= 0.5 ) g = 1;
nlmalphas[k][instanceNo] = g * beta;
nlmvalues[_weight][instanceNo] += nlmalphas[k][instanceNo];
}
}
//
//
//
//
//
if (nlmvalues[_weight][instanceNo]>0)
{
double sum = 0;
for (k=0; k < nlmvalues[_len][instanceNo]; k++) sum += nlmalphas[k][instanceNo]*nlmprices[r-k][instanceNo];
return( sum / nlmvalues[_weight][instanceNo]);
}
else return(0);
}
//+------------------------------------------------------------------
//|
//+------------------------------------------------------------------
//
//
//
//
//
void CatchBullishDivergence(double& buff[], int i)
{
i++; ObjectDelete(divergenceUniqueID+"l"+DoubleToStr(Time[i],0));
ObjectDelete(divergenceUniqueID+"l"+"os" + DoubleToStr(Time[i],0));
if (!IsIndicatorLow(buff,i)) return;
int currentLow = i; int lastLow = GetIndicatorLastLow(buff,i+1); checkBullishDivergence(buff,currentLow,lastLow);
}
//
//
//
//
//
bool checkBullishDivergence(double& buff[], int currentLow, int lastLow)
{
bool answer=false;
//
//
//
//
//
if (buff[currentLow] > buff[lastLow] && Low[currentLow] < Low[lastLow])
{
if(divergenceOnChartVisible) DrawPriceTrendLine("l",Time[currentLow],Time[lastLow],Low[currentLow],Low[lastLow],divergenceBullishColor,STYLE_SOLID);
if(divergenceOnIndicatorVisible) DrawIndicatorTrendLine("l",Time[currentLow],Time[lastLow],buff[currentLow],buff[lastLow],divergenceBullishColor,STYLE_SOLID);
answer= true;
}
if (buff[currentLow] < buff[lastLow] && Low[currentLow] > Low[lastLow])
{
if(divergenceOnChartVisible) DrawPriceTrendLine("l",Time[currentLow],Time[lastLow],Low[currentLow],Low[lastLow], divergenceBullishColor, STYLE_DOT);
if(divergenceOnIndicatorVisible) DrawIndicatorTrendLine("l",Time[currentLow],Time[lastLow],buff[currentLow],buff[lastLow], divergenceBullishColor, STYLE_DOT);
answer= true;
}
return(answer);
}
//
//
//
//
//
void CatchBearishDivergence(double& buff[], int i)
{
i++; ObjectDelete(divergenceUniqueID+"h"+DoubleToStr(Time[i],0));
ObjectDelete(divergenceUniqueID+"h"+"os" + DoubleToStr(Time[i],0));
if (IsIndicatorPeak(buff,i) == false) return;
int currentPeak = i; int lastPeak = GetIndicatorLastPeak(buff,i+1); checkBearishDivergence(buff,currentPeak,lastPeak);
}
//
//
//
//
//
bool checkBearishDivergence(double& buff[], int currentPeak, int lastPeak)
{
bool answer=false;
//
//
//
//
//
if (buff[currentPeak] < buff[lastPeak] && High[currentPeak] > High[lastPeak])
{
if (divergenceOnChartVisible) DrawPriceTrendLine("h",Time[currentPeak],Time[lastPeak],High[currentPeak],High[lastPeak],divergenceBearishColor,STYLE_SOLID);
if (divergenceOnIndicatorVisible) DrawIndicatorTrendLine("h",Time[currentPeak],Time[lastPeak],buff[currentPeak],buff[lastPeak],divergenceBearishColor,STYLE_SOLID);
answer= true;
}
if(buff[currentPeak] > buff[lastPeak] && High[currentPeak] < High[lastPeak])
{
if (divergenceOnChartVisible) DrawPriceTrendLine("h",Time[currentPeak],Time[lastPeak],High[currentPeak],High[lastPeak], divergenceBearishColor, STYLE_DOT);
if (divergenceOnIndicatorVisible) DrawIndicatorTrendLine("h",Time[currentPeak],Time[lastPeak],buff[currentPeak],buff[lastPeak], divergenceBearishColor, STYLE_DOT);
answer= true;
}
return(answer);
}
//
//
//
//
//
bool IsIndicatorPeak(double& buff[], int i) { return(buff[i] >= buff[i+1] && buff[i] > buff[i+2] && buff[i] > buff[i-1]); }
bool IsIndicatorLow( double& buff[], int i) { return(buff[i] <= buff[i+1] && buff[i] < buff[i+2] && buff[i] < buff[i-1]); }
int GetIndicatorLastPeak(double& buff[], int shift)
{
for(int i = shift+5; i<Bars; i++) if (buff[i] >= buff[i+1] && buff[i] > buff[i+2] && buff[i] >= buff[i-1] && buff[i] > buff[i-2]) return(i);
return(-1);
}
int GetIndicatorLastLow(double& buff[], int shift)
{
for(int i = shift+5; i<Bars; i++) if (buff[i] <= buff[i+1] && buff[i] < buff[i+2] && buff[i] <= buff[i-1] && buff[i] < buff[i-2]) return(i);
return(-1);
}
//+------------------------------------------------------------------
//|
//+------------------------------------------------------------------
//
//
//
//
//
void DrawPriceTrendLine(string first,datetime t1, datetime t2, double p1, double p2, color lineColor, double style)
{
string label = divergenceUniqueID+first+"os"+DoubleToStr(t1,0);
if (Interpolate) t2 += Period()*60-1;
ObjectDelete(label);
ObjectCreate(label, OBJ_TREND, 0, t1+Period()*60-1, p1, t2, p2, 0, 0);
ObjectSet(label, OBJPROP_RAY, false);
ObjectSet(label, OBJPROP_COLOR, lineColor);
ObjectSet(label, OBJPROP_STYLE, style);
}
//
//
//
//
//
void DrawIndicatorTrendLine(string first,datetime t1, datetime t2, double p1, double p2, color lineColor, double style)
{
int indicatorWindow = WindowFind(shortName);
if (indicatorWindow < 0) return;
if (Interpolate) t2 += Period()*60-1;
string label = divergenceUniqueID+first+DoubleToStr(t1,0);
ObjectDelete(label);
ObjectCreate(label, OBJ_TREND, indicatorWindow, t1+Period()*60-1, p1, t2, p2, 0, 0);
ObjectSet(label, OBJPROP_RAY, false);
ObjectSet(label, OBJPROP_COLOR, lineColor);
ObjectSet(label, OBJPROP_STYLE, style);
}
//+-------------------------------------------------------------------
//|
//+-------------------------------------------------------------------
string sTfTable[] = {"M1","M5","M15","M30","H1","H4","D1","W1","MN"};
int iTfTable[] = {1,5,15,30,60,240,1440,10080,43200};
//
//
//
//
//
int stringToTimeFrame(string tfs) {
tfs = stringUpperCase(tfs);
for (int i=ArraySize(iTfTable)-1; i>=0; i--)
if (tfs==sTfTable[i] || tfs==""+iTfTable[i]) return(MathMax(iTfTable[i],Period()));
return(Period());
}
string timeFrameToString(int tf) {
for (int i=ArraySize(iTfTable)-1; i>=0; i--)
if (tf==iTfTable[i]) return(sTfTable[i]);
return("");
}
//
//
//
//
//
string stringUpperCase(string str) {
string s = str;
for (int length=StringLen(str)-1; length>=0; length--) {
int tchar = StringGetChar(s, length);
if((tchar > 96 && tchar < 123) || (tchar > 223 && tchar < 256))
s = StringSetChar(s, length, tchar - 32);
else if(tchar > -33 && tchar < 0)
s = StringSetChar(s, length, tchar + 224);
}
return(s);
}