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2026-05-26 00:24:12 +02:00

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//+------------------------------------------------------------------+
//| VWMA_Pro.mq5 |
//| Copyright 2026, xxxxxxxx|
//+------------------------------------------------------------------+
#property copyright "Copyright 2026, xxxxxxxx"
#property version "1.20" // Optimized for incremental calculation
#property description "Volume-Weighted Moving Average (VWMA) Professional Indicator"
#property indicator_chart_window
#property indicator_buffers 1
#property indicator_plots 1
#property indicator_label1 "VWMA"
#property indicator_type1 DRAW_LINE
#property indicator_color1 clrDodgerBlue
#property indicator_style1 STYLE_SOLID
#property indicator_width1 1
#include <MyIncludes\VWMA_Calculator.mqh>
//--- Input Parameters ---
input int InpPeriod = 20; // Lookback Period
input ENUM_APPLIED_PRICE_HA_ALL InpSourcePrice = PRICE_CLOSE_STD; // Price Source
//--- Indicator Buffers ---
double BufferVWMA[];
//--- Global calculator object ---
CVWMA_Calculator *g_calculator;
//+------------------------------------------------------------------+
//| OnInit |
//+------------------------------------------------------------------+
int OnInit()
{
SetIndexBuffer(0, BufferVWMA, INDICATOR_DATA);
ArraySetAsSeries(BufferVWMA, false);
//--- Factory instantiation based on Price Source (Standard vs Heikin Ashi)
if(InpSourcePrice <= PRICE_HA_CLOSE)
g_calculator = new CVWMA_Calculator_HA();
else
g_calculator = new CVWMA_Calculator();
if(CheckPointer(g_calculator) == POINTER_INVALID || !g_calculator.Init(InpPeriod))
{
Print("Failed to initialize VWMA Calculator.");
return(INIT_FAILED);
}
//--- Dynamic name initialization
string short_name = StringFormat("VWMA%s(%d)", (InpSourcePrice <= PRICE_HA_CLOSE ? " HA" : ""), InpPeriod);
IndicatorSetString(INDICATOR_SHORTNAME, short_name);
PlotIndexSetString(0, PLOT_LABEL, short_name);
PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, InpPeriod - 1);
IndicatorSetInteger(INDICATOR_DIGITS, _Digits);
return(INIT_SUCCEEDED);
}
//+------------------------------------------------------------------+
//| OnDeinit |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
{
if(CheckPointer(g_calculator) != POINTER_INVALID)
{
delete g_calculator;
}
}
//+------------------------------------------------------------------+
//| OnCalculate |
//+------------------------------------------------------------------+
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[])
{
if(CheckPointer(g_calculator) == POINTER_INVALID)
return 0;
//--- Convert custom HA price mapping back to standard ENUM_APPLIED_PRICE
ENUM_APPLIED_PRICE price_type = (InpSourcePrice <= PRICE_HA_CLOSE) ? (ENUM_APPLIED_PRICE)(-(int)InpSourcePrice) : (ENUM_APPLIED_PRICE)InpSourcePrice;
//--- Determine the best volume array to use (MQL5 Standard)
long volume_limit = (long)SymbolInfoDouble(_Symbol, SYMBOL_VOLUME_LIMIT);
//--- Safe dynamic array routing without local array reference variables
if(volume_limit > 0)
{
g_calculator.Calculate(rates_total, prev_calculated, price_type, open, high, low, close, volume, BufferVWMA);
}
else
{
g_calculator.Calculate(rates_total, prev_calculated, price_type, open, high, low, close, tick_volume, BufferVWMA);
}
return(rates_total);
}
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+