Cycle identifier wAlert

//+——————————————————————+
//| CycleIdentifier.mq4 |
// |
//+——————————————————————+

/*
Modified by Zen to add alert when top or bottom is detected on previous candle.
*/

#property copyright “”
#property link “”

#property indicator_separate_window
#property indicator_buffers 6
#property indicator_color1 DarkGray

#property indicator_color2 Lime
#property indicator_color3 Red
#property indicator_color4 DarkGreen
#property indicator_color5 Brown

#property indicator_minimum -1.2
#property indicator_maximum 1.2

extern int PriceActionFilter=1;
extern int Length=3;
extern int MajorCycleStrength=4;
extern bool UseCycleFilter=false;
extern int UseFilterSMAorRSI=1;
extern int FilterStrengthSMA=12;
extern int FilterStrengthRSI=21;
extern bool SoundAlert = true;
extern bool WaitForClose = true;

double LineBuffer[];
double MajorCycleBuy[];
double MajorCycleSell[];
double MinorCycleBuy[];
double MinorCycleSell[];
double ZL1[];

double CyclePrice = 0.0, Strength =0.0, SweepA = 0.0, SweepB = 0.0;
int Switch = 0, Switch2 = 0, SwitchA = 0, SwitchB = 0, SwitchC = 0, SwitchD = 0, SwitchE = 0, SwitchAA = 0, SwitchBB = 0;
double Price1BuyA = 0.0, Price2BuyA = 0.0;
int Price1BuyB = 1.0, Price2BuyB = 1.0;
double Price1SellA = 0.0, Price2SellA = 0.0;
int Price1SellB = 0.0, Price2SellB = 0.0;
bool ActiveSwitch = True, BuySwitchA = FALSE, BuySwitchB = FALSE, SellSwitchA = FALSE, SellSwitchB = FALSE;
int BuySellFac = 01;
bool Condition1, Condition2, Condition3, Condition6;

datetime TopAlertTime, BottomAlertTime;
int SignalIndex = 0;
int init() {
SetIndexStyle(0,DRAW_LINE,STYLE_SOLID,2);
SetIndexBuffer(0,LineBuffer);

SetIndexStyle(1,DRAW_HISTOGRAM,STYLE_SOLID,3);
SetIndexBuffer(1,MajorCycleBuy);

SetIndexStyle(2,DRAW_HISTOGRAM,STYLE_SOLID,3);
SetIndexBuffer(2,MajorCycleSell);

SetIndexStyle(3,DRAW_HISTOGRAM,STYLE_SOLID,1);
SetIndexBuffer(3,MinorCycleBuy);

SetIndexStyle(4,DRAW_HISTOGRAM,STYLE_SOLID,1);
SetIndexBuffer(4,MinorCycleSell);

SetIndexStyle(5,DRAW_NONE);
SetIndexBuffer(5,ZL1);

SetIndexEmptyValue(1,0.0);
SetIndexEmptyValue(2,0.0);
SetIndexEmptyValue(3,0.0);
SetIndexEmptyValue(4,0.0);
SetIndexEmptyValue(5,0.0);

TopAlertTime = 0;
BottomAlertTime = 0;
if (WaitForClose)
{
SignalIndex = 1;
}
else
{
SignalIndex = 0;
}
return(0);
}

int deinit() {return(0);}

int start() {
int counted_bars=IndicatorCounted();
if(counted_bars<0) return(-1);
// if(counted_bars>0) counted_bars–;
// int position=Bars-1;
int position=Bars-counted_bars;
if (position<0) position=0;

int rnglength = 250;
double range = 0.0, srange = 0.0;
for (int pos = position; pos >=0; pos–)
{
srange = 0.0;
int j = 0;
for (int i=0;i<rnglength;i++)
{
j++;
int posr = pos + i;
if (posr >= Bars)
break;

srange = srange + (High[posr] – Low[posr]);
}
range = srange / j * Length;
int BarNumber = Bars-pos; //??????????
if (BarNumber < 0)
BarNumber = 0;

CyclePrice = iMA(NULL, 0, PriceActionFilter, 0, MODE_SMMA, PRICE_CLOSE, pos);

if (UseFilterSMAorRSI == 1)
ZL1[pos] = ZeroLag(CyclePrice,FilterStrengthSMA, pos);
if (UseFilterSMAorRSI == 2)
ZL1[pos] = ZeroLag( iRSI(NULL, 0, 14, CyclePrice, FilterStrengthRSI ), FilterStrengthRSI, pos);

if (ZL1[pos] > ZL1[pos+1])
SwitchC = 1;
if (ZL1[pos] < ZL1[pos+1])
SwitchC = 2;

if (BarNumber <= 1)
{
if (Strength == 0)
SweepA = range;
else
SweepA = Strength;
Price1BuyA = CyclePrice;
Price1SellA = CyclePrice;
}

/* ***************************************************************** */

if (BarNumber > 1)
{
if (Switch > -1)
{
if (CyclePrice < Price1BuyA)
{

if (UseCycleFilter && (SwitchC == 2) && BuySwitchA )
{
MinorCycleBuy[pos + BarNumber – Price1BuyB] = 0; //MinorBuySell
LineBuffer[pos + BarNumber – Price1BuyB ] = 0; //line
}

if (!UseCycleFilter && BuySwitchA)
{
MinorCycleBuy[pos +BarNumber – Price1BuyB] = 0;
LineBuffer[pos +BarNumber – Price1BuyB] = 0;
}
Price1BuyA = CyclePrice;
Price1BuyB = BarNumber;
BuySwitchA = TRUE;
}
else if (CyclePrice > Price1BuyA)
{

SwitchA = BarNumber – Price1BuyB;

if (!UseCycleFilter)
{
MinorCycleBuy[pos +SwitchA] = -1;//MinorBuySell – DarkGreen
LineBuffer[pos +SwitchA] = -1;//line
}

if (UseCycleFilter && SwitchC == 1)
{
MinorCycleBuy[pos +SwitchA] = -1; //MinorBuySell
LineBuffer[pos +SwitchA] = -1; //line
SwitchD = 1;
}
else
{
SwitchD = 0;
}

BuySwitchA = TRUE;

double cyclePrice1 = iMA(NULL, 0, PriceActionFilter, 0, MODE_SMMA, PRICE_CLOSE, pos + SwitchA);
if (ActiveSwitch)
{
Condition1 = CyclePrice – cyclePrice1 >= SweepA;
}
else
{
Condition1 = CyclePrice >= cyclePrice1 * (1 + SweepA / 1000);
}
if (Condition1 && SwitchA >= BuySellFac)
{
Switch = – 1;
Price1SellA = CyclePrice;
Price1SellB = BarNumber;
SellSwitchA = FALSE;
BuySwitchA = FALSE;
}
}
}
if(Switch < 1)
{
if (CyclePrice > Price1SellA)
{
if (UseCycleFilter && SwitchC == 1 && SellSwitchA )
{
MinorCycleSell[pos +BarNumber – Price1SellB] = 0; //MinorBuySell
LineBuffer[pos +BarNumber – Price1SellB ] = 0; //line
}
if (!UseCycleFilter && SellSwitchA )
{
MinorCycleSell[pos +BarNumber – Price1SellB] = 0;//MinorBuySell
LineBuffer[pos +BarNumber – Price1SellB] = 0;//line
}
Price1SellA = CyclePrice;
Price1SellB = BarNumber;
SellSwitchA = TRUE;
}
else if (CyclePrice < Price1SellA)
{
SwitchA = BarNumber – Price1SellB;
if (!UseCycleFilter)
{
MinorCycleSell[pos +SwitchA] = 1; // MinorBuySell darkRed
LineBuffer[pos +SwitchA] = 1; //”CycleLine”
}
if (UseCycleFilter && (SwitchC == 2))
{
MinorCycleSell[pos +SwitchA] = 1;//MinorBuySell darkRed
LineBuffer[pos +SwitchA] = 1;//CycleLine
SwitchD = 2;
}
else
SwitchD = 0;

SellSwitchA = TRUE;
double cyclePrice2 = iMA(NULL, 0, PriceActionFilter, 0, MODE_SMMA, PRICE_CLOSE, pos + SwitchA);

if (ActiveSwitch)
Condition1 = (cyclePrice2 – CyclePrice) >= SweepA;
else
Condition1 = CyclePrice <= (cyclePrice2 * (1 – SweepA / 1000));

if (Condition1 && SwitchA >= BuySellFac)
{
Switch = 1;
Price1BuyA = CyclePrice;
Price1BuyB = BarNumber;
SellSwitchA = FALSE;
BuySwitchA = FALSE;
}
}
}
}

LineBuffer[pos] = 0;
MinorCycleBuy[pos] = 0;
MinorCycleSell[pos] = 0;

if (BarNumber == 1)
{
if (Strength == 0)
SweepB = range * MajorCycleStrength;
else
SweepB = Strength * MajorCycleStrength;

Price2BuyA = CyclePrice;
Price2SellA = CyclePrice;
}

if (BarNumber > 1)
{
if (Switch2 > – 1)
{
if (CyclePrice < Price2BuyA)
{
if (UseCycleFilter && SwitchC == 2 && BuySwitchB )
{
MajorCycleBuy [pos +BarNumber – Price2BuyB] = 0; //MajorBuySell,green
// LineBuffer[pos + BarNumber – Price2BuyB ] = 0; //line —–
}
if (!UseCycleFilter && BuySwitchB )
{
MajorCycleBuy [pos +BarNumber – Price2BuyB] = 0;//MajorBuySell,green
// LineBuffer[pos + BarNumber – Price2BuyB ] = 0; //line———–
}
Price2BuyA = CyclePrice;
Price2BuyB = BarNumber;
BuySwitchB = TRUE;
}
else if (CyclePrice > Price2BuyA)
{
SwitchB = BarNumber – Price2BuyB;

if (!UseCycleFilter)
{
MajorCycleBuy [pos +SwitchB] = -1; //MajorBuySell green
// LineBuffer[pos + SwitchB] = -1; //line————–
}
if (UseCycleFilter && SwitchC == 1)
{
MajorCycleBuy [pos +SwitchB] = -1; //MajorBuySell green
// LineBuffer[pos + SwitchB] = -1; //line—————–
SwitchE = 1;
}
else
SwitchE = 0;

BuySwitchB = TRUE;
double cyclePrice3 = iMA(NULL, 0, PriceActionFilter, 0, MODE_SMMA, PRICE_CLOSE, pos + SwitchB);
if (ActiveSwitch)
Condition6 = CyclePrice – cyclePrice3 >= SweepB;
else
Condition6 = CyclePrice >= cyclePrice3 * (1 + SweepB / 1000);

if (Condition6 && SwitchB >= BuySellFac)
{
Switch2 = – 1;
Price2SellA = CyclePrice;
Price2SellB = BarNumber;
SellSwitchB = FALSE;
BuySwitchB = FALSE;
}
}
}

if (Switch2 < 1)
{
if (CyclePrice > Price2SellA )
{
if (UseCycleFilter && SwitchC == 1 && SellSwitchB )
{
MajorCycleSell [pos +BarNumber – Price2SellB] = 0; //”MajorBuySell”,red
// LineBuffer[pos + BarNumber – Price2SellB ] = 0; //line —–
}
if (!UseCycleFilter && SellSwitchB )
{
MajorCycleSell [pos +BarNumber – Price2SellB] = 0;//”MajorBuySell”,red
// LineBuffer[pos + BarNumber – Price2SellB ] = 0; //line —–
}
Price2SellA = CyclePrice;
Price2SellB = BarNumber;
SellSwitchB = TRUE;
}
else if (CyclePrice < Price2SellA)
{
SwitchB = BarNumber – Price2SellB ;

if (!UseCycleFilter)
{
MajorCycleSell[pos + SwitchB] = 1; //”MajorBuySell”,red
// LineBuffer[pos + SwitchB ] = 1; //line —–
}
if (UseCycleFilter && SwitchC == 2)
{
MajorCycleSell [pos + SwitchB] = 1; //”MajorBuySell”,red
// LineBuffer[pos + SwitchB ] = 1; //line —–
SwitchE = 2;
}
else
SwitchE = 0;

SellSwitchB = TRUE;
double cyclePrice4 = iMA(NULL, 0, PriceActionFilter, 0, MODE_SMMA, PRICE_CLOSE, pos + SwitchB);
if (ActiveSwitch)
Condition6 = cyclePrice4 – CyclePrice >= SweepB;
else
Condition6 = CyclePrice <= cyclePrice4 * (1.0 – SweepB / 1000.0);

if (Condition6 && SwitchB >= BuySellFac)
{
Switch2 = 1;
Price2BuyA = CyclePrice;
Price2BuyB = BarNumber;
SellSwitchB = FALSE;
BuySwitchB = FALSE;
}
}
}
}
LineBuffer[pos] = 0;
MajorCycleSell[pos] = 0;
MajorCycleBuy[pos] = 0;
}

if (SoundAlert)
{
if (LineBuffer[SignalIndex] == 1 && TopAlertTime < Time[SignalIndex])
{
Alert (Symbol(), ” Cycle Top Detected at “,TimeToStr(Time[SignalIndex],TIME_DATE|TIME_MINUTES|TIME_SECONDS));
TopAlertTime = Time[SignalIndex];
}
if (LineBuffer[SignalIndex] == -1 && BottomAlertTime < Time[SignalIndex])
{
Alert (Symbol(), ” Cycle Bottom Detected at “,TimeToStr(Time[SignalIndex],TIME_DATE|TIME_MINUTES|TIME_SECONDS));
BottomAlertTime = Time[SignalIndex];
}
}

return(0);
}

double ZeroLag(double price, int length, int pos)
{
if (length < 3)
{
return(price);
}
double aa = MathExp(-1.414*3.14159 / length);
double bb = 2*aa*MathCos(1.414*180 / length);
double CB = bb;
double CC = -aa*aa;
double CA = 1 – CB – CC;
double CD = CA*price + CB*ZL1[pos+1] + CC*ZL1[pos+2];
return(CD);
}