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xMQL5/BKPS/14030505/Documents/BKP/Ideas/x-saherelm.xmgtd.mq5
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///////////////////////////////////////////////////////
// SaherElm IT Center MQL5 Indicator
// -------------------------------------------
// Name: XMGTD
// Description: Mega Trend ...
//
// Maintainer:
// ------------
// Hadi Khazaee Asl (hadi_khazaee_asl@yahoo.com)
//
//////////////////////////////////////////////////////
//
// Global Properties ...
#property copyright "Copyright 2023, SaherElm IT Center"
#property link "https://saherelm.ir"
#property version "1.00"
#property description "SaherElm XMGTD Indicator"
#property strict
//
#define ShortName "XMGTD"
//
// Imports ...
#include "../Libraries/x-saherelm.common.lib.mq5"
//
// Inputs ...
//
input group "Market";
input int length = 14; // Length
input double coeff = 2.0; // Coefficient
input double multiplier = 3.0; // Multiplier
input ENUM_APPLIED_PRICE appliedTo = PRICE_CLOSE; // Applied To
//
input group "Presentation";
input bool show = true; // Show
input bool showSTR = false; // Show STR
input bool showHTD = false; // Show HTR
input bool showATSL = false; // Show ATSL
//
// Buffers ...
//
#property indicator_chart_window
//
#property indicator_buffers 13
#property indicator_plots 6
//
#define mainBufferIndex 0
double mainBuffer[];
//
#define mainBufferColorIndex 1
double mainBufferColor[];
//
#define hideColorIDX 0
#define bullColorIDX 1
#define bearColorIDX 2
//
#property indicator_label1 "XMGTD"
#property indicator_type1 DRAW_COLOR_LINE
#property indicator_color1 CLR_NONE, clrGreen, clrDarkRed
#property indicator_style1 STYLE_DOT
#property indicator_width1 1
//
#define atslBufferIndex 2
#define atslBufferPlotIndex 1
double atslBuffer[];
//
#define atslBufferColorIndex 3
double atslBufferColor[];
//
#property indicator_label2 "XATSL"
#property indicator_type2 DRAW_COLOR_LINE
#property indicator_color2 CLR_NONE, clrGreen, clrDarkRed
#property indicator_style2 STYLE_DOT
#property indicator_width2 1
//
#define htdBufferIndex 4
#define htdBufferPlotIndex 2
double htdBuffer[];
//
#define htdBufferColorIndex 5
double htdBufferColor[];
//
#property indicator_label3 "XHTD"
#property indicator_type3 DRAW_COLOR_LINE
#property indicator_color3 CLR_NONE, clrGreen, clrDarkRed
#property indicator_style3 STYLE_DOT
#property indicator_width3 1
//
#define hlBufferIndex 6
double hlBuffer[];
//
#define wmaBufferIndex 7
double wmaBuffer[];
//
#define tmpBufferIndex 8
double tmpBuffer[];
//
#define diffBufferIndex 9
double diffBuffer[];
//
#define upBufferIndex 10
double upBuffer[];
//
#define downBufferIndex 11
double downBuffer[];
//
#define directionBufferIndex 12
double directionBuffer[];
//
// Variables ...
//
int maPeriod;
double kpi;
//
// Event Handlers ...
//
// Initialization ...
int OnInit()
{
//
// Validate Inputs ...
if (!ValidateInputs())
{
return INIT_PARAMETERS_INCORRECT;
}
//
maPeriod = int(length < 1 ? 1 : length);
double n1 = 2.0 * double(maPeriod - 1);
kpi = 2.0 / (n1 + 1);
//
// Define Index Buffers ...
DefineBuffers();
//
// Set Indicator ShortName ...
SetIndicatorName();
//
// Init Succeed ...
return INIT_SUCCEEDED;
}
//
// DeInitialization ...
void OnDeinit(const int reason)
{
//
// REASON_PROGRAM 0 The EA has stopped working calling the ExpertRemove() function
// REASON_REMOVE 1 Program removed from a chart
// REASON_RECOMPILE 2 Program recompiled
// REASON_CHARTCHANGE 3 A symbol or a chart period is changed
// REASON_CHARTCLOSE 4 Chart closed
// REASON_PARAMETERS 5 Inputs changed by a user
// REASON_ACCOUNT 6 Another account has been activated or reconnection to the trade server has occurred due to changes in the account settings
// REASON_TEMPLATE 7 Another chart template applied
// REASON_INITFAILED 8 The OnInit() handler returned a non-zero value
// REASON_CLOSE 9 Terminal closed
}
//
// Calculating what we want ...
int OnCalculate(
const int rates_total, // Total Bars on Chart ...
const int prev_calculated, // Total Calculated Bars on Charts ...
const datetime &time[], // History of Open Time ...
const double &open[], // History of Open Price ...
const double &high[], // History of High Price ...
const double &low[], // History of Low Price ...
const double &close[], // History of Close Price ...
const long &tick_volume[], // History of Tick Volumes on Bar ...
const long &volume[], // History of Trade Volumes ...
const int &spread[] // History of Spread Price ...
)
{
//
ArraySetAsSeries(high, true);
ArraySetAsSeries(low, true);
ArraySetAsSeries(close, true);
//
if (rates_total < maPeriod)
{
return 0;
}
//
int limit = rates_total - prev_calculated;
if (limit > 1)
{
//
limit = rates_total - 2;
//
ArrayInitialize(atslBuffer, EMPTY_VALUE);
ArrayInitialize(hlBuffer, 0);
ArrayInitialize(diffBuffer, 0);
ArrayInitialize(wmaBuffer, 0);
ArrayInitialize(tmpBuffer, 0);
}
//
for (int i = limit; i >= 0 && !IsStopped(); i--)
{
//
hlBuffer[i] = high[i] - low[i];
//
double href = 0;
double lref = 0;
//
double sma = MAOnArray(hlBuffer, 0, maPeriod, 0, MODE_SMA, i);
double hiLo = fmin(hlBuffer[i], sma);
//
href = (low[i] <= high[i + 1] ? high[i] - close[i + 1] : (hlBuffer[i] - close[i + 1] + high[i + 1]) / 2);
lref = (high[i] >= low[i + 1] ? close[i + 1] - low[i] : (close[i + 1] - low[i + 1] + hlBuffer[i]) / 2);
//
diffBuffer[i] = fmax(hiLo, fmax(href, lref));
}
//
for (int i = limit; i >= 0 && !IsStopped(); i--)
{
//
if (i == rates_total - 2)
{
wmaBuffer[i] = MAOnArray(diffBuffer, 0, maPeriod, 0, MODE_EMA, i);
}
else
{
wmaBuffer[i] = (diffBuffer[i] - wmaBuffer[i + 1]) * kpi + wmaBuffer[i + 1];
}
}
//
for (int i = limit; i >= 0 && !IsStopped(); i--)
{
//
double loss = wmaBuffer[i] * coeff;
if (close[i] > tmpBuffer[i + 1] && close[i + 1] > tmpBuffer[i + 1])
{
//
tmpBuffer[i] = fmax(tmpBuffer[i + 1], close[i] - loss);
//
atslBuffer[i] = tmpBuffer[i];
}
else
{
//
if (close[i] < tmpBuffer[i + 1] && close[i + 1] < tmpBuffer[i + 1])
{
//
tmpBuffer[i] = fmin(tmpBuffer[i + 1], close[i] + loss);
//
atslBuffer[i] = tmpBuffer[i];
}
else
{
//
if (close[i] > tmpBuffer[i + 1])
{
//
tmpBuffer[i] = close[i] - loss;
//
atslBuffer[i] = tmpBuffer[i];
}
else
{
//
tmpBuffer[i] = close[i] + loss;
//
atslBuffer[i] = tmpBuffer[i];
}
}
}
//
// Define Color Buffer ...
double clrValue = !showATSL
? hideColorIDX
: atslBuffer[i] > close[i]
? bearColorIDX
: bullColorIDX;
atslBufferColor[i] = clrValue;
}
//
return rates_total;
}
//
// Custom Functions ...
//
// Validate Input Args for Initialization ...
bool ValidateInputs()
{
//
bool result = false;
//
result = length >= 2 &&
coeff > 0;
//
return result;
}
//
// Set Indicator Short Name and also we can define Buffers Labels ...
void SetIndicatorName()
{
IndicatorSetString(INDICATOR_SHORTNAME, ShortName);
}
//
// Define Indexes and Styles ...
//
void DefineBuffers()
{
//
// Main ...
ENUM_DRAW_TYPE mainDrawType = show ? DRAW_COLOR_LINE : DRAW_NONE;
//
ArraySetAsSeries(mainBuffer, true);
ArraySetAsSeries(mainBufferColor, true);
PlotIndexSetInteger(mainBufferIndex, PLOT_SHOW_DATA, show);
SetIndexBuffer(mainBufferIndex, mainBuffer, INDICATOR_DATA);
PlotIndexSetInteger(mainBufferIndex, PLOT_DRAW_TYPE, mainDrawType);
SetIndexBuffer(mainBufferColorIndex, mainBufferColor, INDICATOR_COLOR_INDEX);
//
// XATSL ...
ENUM_DRAW_TYPE atslDrawType = showATSL ? DRAW_COLOR_LINE : DRAW_NONE;
//
ArraySetAsSeries(atslBuffer, true);
ArraySetAsSeries(atslBufferColor, true);
SetIndexBuffer(atslBufferIndex, atslBuffer, INDICATOR_DATA);
SetIndexBuffer(atslBufferColorIndex, atslBufferColor, INDICATOR_COLOR_INDEX);
PlotIndexSetInteger(atslBufferPlotIndex, PLOT_SHOW_DATA, showATSL);
PlotIndexSetInteger(atslBufferPlotIndex, PLOT_DRAW_TYPE, atslDrawType);
//
// XHTD ...
ENUM_DRAW_TYPE htdDrawType = showHTD ? DRAW_COLOR_LINE : DRAW_NONE;
//
SetIndexBuffer(htdBufferIndex, htdBuffer, INDICATOR_DATA);
SetIndexBuffer(htdBufferColorIndex, htdBufferColor, INDICATOR_COLOR_INDEX);
PlotIndexSetInteger(htdBufferPlotIndex, PLOT_SHOW_DATA, showHTD);
PlotIndexSetInteger(htdBufferPlotIndex, PLOT_DRAW_TYPE, htdDrawType);
//
ArraySetAsSeries(hlBuffer, true);
SetIndexBuffer(hlBufferIndex, hlBuffer, INDICATOR_CALCULATIONS);
//
ArraySetAsSeries(wmaBuffer, true);
SetIndexBuffer(wmaBufferIndex, wmaBuffer, INDICATOR_CALCULATIONS);
//
ArraySetAsSeries(tmpBuffer, true);
SetIndexBuffer(tmpBufferIndex, tmpBuffer, INDICATOR_CALCULATIONS);
//
ArraySetAsSeries(diffBuffer, true);
SetIndexBuffer(diffBufferIndex, diffBuffer, INDICATOR_CALCULATIONS);
//
SetIndexBuffer(upBufferIndex, upBuffer, INDICATOR_CALCULATIONS);
SetIndexBuffer(downBufferIndex, downBuffer, INDICATOR_CALCULATIONS);
SetIndexBuffer(directionBufferIndex, directionBuffer, INDICATOR_CALCULATIONS);
}
//
// Hull Handler ...
double workHull[][2];
double iHull(
double price,
double period,
int r,
int bars,
int instanceNo = 0 //
)
{
//
if (ArrayRange(workHull, 0) != bars)
{
ArrayResize(workHull, bars);
}
//
int HmaPeriod = (int)MathMax(period, 2);
int HalfPeriod = (int)MathFloor(HmaPeriod / 2);
int HullPeriod = (int)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 (int 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 (int k = 1; k < HullPeriod && (r - k) >= 0; k++)
{
//
weight = HullPeriod - k;
hmw += weight;
hma += weight * workHull[r - k][1 + instanceNo];
}
//
return (hma / hmw);
}
//
double getPrice(ENUM_APPLIED_PRICE price, const double &open[], const double &close[], const double &high[], const double &low[], int i, int bars)
{
switch (price)
{
case PRICE_CLOSE:
return (close[i]);
case PRICE_OPEN:
return (open[i]);
case PRICE_HIGH:
return (high[i]);
case PRICE_LOW:
return (low[i]);
case PRICE_MEDIAN:
return ((high[i] + low[i]) / 2.0);
case PRICE_TYPICAL:
return ((high[i] + low[i] + close[i]) / 3.0);
case PRICE_WEIGHTED:
return ((high[i] + low[i] + close[i] + close[i]) / 4.0);
// case PRICE_AVERAGE: return((high[i]+low[i]+close[i]+open[i])/4.0);
}
return (0);
}
//