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Add conditional buy n sell code for opening a trade and reverse closing code in the following ea code
- entry of buy at onset of blue dot
- exit of buy at onset of Pink dot
- entry of Sell at onset of pink dot
- exit of Sell at onset of blue dot
//+------------------------------------------------------------------+
//| var_mov_avg.mq4 |
//| Copyright © 2016, Dmitri Migunov |
//| sniper_dragon@mail.ru |
//| |
//| Thanks for previous version 2004, GOODMAN & Mstera è AF |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2016, Dmitri Migunov"
#property link "sniper_dragon@mail.ru"
#property version "1.00"
#property indicator_chart_window
#property indicator_buffers 4
#property indicator_color1 clrSienna
#property indicator_color2 clrBlue
#property indicator_color3 clrMagenta
#property indicator_color4 clrYellow
//---- input parameters
input
int
periodAMA = 50, // period of AMA
nfast = 15, // first noise filter parameter. Higher values make indicator less sensitive to spikes.
nslow = 10; // second noise filter parameter. Higher values make indicator less sensitive to spikes.
input
double
G = 1.0, // the power of filtered part in the moving average. Another way to make the signal line smoother.
dK = 0.1; // doesn't really influence anything much.
input
bool
UseAlert = false, // if true then alerts will be used.
UseSound = false; // if true then sound will be used in alerts.
input
string
SoundFile = "expert.wav"; // name of the sound file for alerts.
input
int
offsetInPips = 30; // maximal offset signal dots from current price
//---- buffers
double
kAMAbuffer[],
kAMAupsig[],
kAMAdownsig[],
signalBuffer[];
//+------------------------------------------------------------------+
int
cbars = 0;
double
slowSC,
fastSC,
dSC,
dKPoint;
bool
SoundBuy = false,
SoundSell = false;
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int OnInit(void){
//---- indicators
SetIndexStyle( 0, DRAW_LINE, 0, 2 );
SetIndexStyle( 1, DRAW_ARROW, STYLE_SOLID, 2 );
SetIndexArrow( 1, 159 );
SetIndexStyle( 2, DRAW_ARROW, STYLE_SOLID, 2 );
SetIndexArrow( 2, 159 );
SetIndexStyle( 3, DRAW_ARROW, STYLE_SOLID, 1 );
SetIndexArrow( 3, 159 );
SetIndexBuffer( 0, kAMAbuffer );
SetIndexBuffer( 1, kAMAupsig );
SetIndexBuffer( 2, kAMAdownsig );
SetIndexBuffer( 3, signalBuffer );
IndicatorDigits( Digits );
//--- calculate this variables when start
slowSC = 2.0 / ( nslow + 1 );
fastSC = 2.0 / ( nfast + 1 );
dSC = fastSC - slowSC;
dKPoint = dK * Point;
//--- initialization done
return(INIT_SUCCEEDED);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int OnCalculate (const int rates_total,
const int prev_calculated,
const datetime &time[],
const double &open[],
const double &high[],
const double &low[],
const double &close[],
const long &tick_volume[],
const long &volume[],
const int &spread[])
{
int
pos = 0;
double
AMA,
AMA0,
signal,
ER,
ERSC,
SSC,
ddK;
string
message;
if( prev_calculated == rates_total ) return( rates_total );
cbars = prev_calculated;
if( rates_total <= ( periodAMA+2 ) ){
return( rates_total );
}
//---- check for possible errors
if( cbars < 0 ) return(-1);
//---- last counted bar will be recounted
if( cbars > 0 ) cbars--;
pos = rates_total - periodAMA - 2;
AMA0 = close[ pos+1 ];
for( int p=pos; p>=0; p-- ){
signal = MathAbs( close[ p ] - close[ p+periodAMA ] );
ER = signal / getNoise( close, p );
ERSC = ER * dSC;
SSC = ERSC + slowSC;
ddK = MathPow( SSC, G ) * ( close[p] - AMA0 );
AMA = AMA0 + ddK;
AMA0 = AMA;
int
offset = ( high[p] - low[p] ) / Point() * 2;
if( offset < 5 ) offset = 5;
if( offset > offsetInPips ) offset = offsetInPips;
kAMAbuffer[p] = AMA;
kAMAupsig[p] = 0;
kAMAdownsig[p] = 0;
signalBuffer[p] = 0;
if( MathAbs( ddK ) <= dKPoint ) continue;
if( ddK > 0 ) kAMAupsig[p] = AMA;
if( ddK < 0 ) kAMAdownsig[p] = AMA;
if( kAMAupsig[p] != EMPTY_VALUE && kAMAupsig[p] != 0 && SoundBuy ){
SoundBuy = false;
signalBuffer[p] = MathMin( close[p+1], low[p] ) - offset * Point;
if( 0 == p ) showAlert( "BUY @ " + Ask );
}
if ( !SoundBuy && ( EMPTY_VALUE == kAMAupsig[p] || 0 == kAMAupsig[p] ) ){
SoundBuy = true;
}
if ( kAMAdownsig[p] != EMPTY_VALUE && kAMAdownsig[p] != 0 && SoundSell ){
SoundSell = false;
signalBuffer[p] = MathMax( close[ p+1 ], high[p] ) + offset * Point;
if( 0 == p ) showAlert( "Sell @" + Bid );
}
if( !SoundSell && ( EMPTY_VALUE == kAMAdownsig[p] || 0 == kAMAdownsig[p] )){
SoundSell = true;
}
}
return( rates_total );
}
double getNoise( const double &close[], const int pos ){
double
noise = 0.000000001;
for( int i=0; i<periodAMA; i++ ){
noise += MathAbs( close[ pos+i ] - close[ pos+i+1 ] );
}
return noise;
}
void showAlert( string message ){
message = TimeCurrent() + " " + Symbol() + " " + Period() + "M " + message;
Comment( message );
if( ! UseAlert ) return;
if( UseSound ) PlaySound( SoundFile );
Alert( message );
}
Thanks