refactor: Optimized with Forming LTF Block Flat-Force, OnTimer Guard and dynamic HTF volume routing

This commit is contained in:
Toh4iem9
2026-06-23 13:41:12 +02:00
parent 1842703c1d
commit 826c400bf7
+179 -39
View File
@@ -3,9 +3,9 @@
//| Copyright 2026, xxxxxxxx|
//+------------------------------------------------------------------+
#property copyright "Copyright 2026, xxxxxxxx"
#property version "1.00"
#property version "1.20" // Optimized with Forming LTF Block Flat-Force, OnTimer Guard and dynamic HTF volume routing
#property description "Relative Volume (Multi-Timeframe)."
#property description "Displays Normalized Volume of Higher Timeframe."
#property description "Displays Normalized Volume of Higher Timeframe cleanly without live-bar warping."
#property indicator_separate_window
#property indicator_buffers 2
@@ -28,50 +28,89 @@
#include <MyIncludes\RelativeVolume_Calculator.mqh>
//--- Input Parameters
input ENUM_TIMEFRAMES InpTimeframe = PERIOD_M15; // Target Timeframe
input int InpPeriod = 20; // Average Period
input double InpThreshold = 2.0; // High Activity Level
input ENUM_TIMEFRAMES InpTimeframe = PERIOD_M5; // Target Higher Timeframe
input int InpPeriod = 20; // Volume Average Lookback Period
input double InpThreshold = 2.0; // High Volume Threshold
//--- Buffers
double BufRVOL[];
double BufRatio[];
double BufColor[];
//--- Internal HTF Data
//--- Internal HTF Data Caches
long h_vol[];
datetime h_time[];
double h_res[]; // Result
double h_res[]; // HTF Results cached
//--- Global HTF State Tracking
CRelativeVolumeCalculator *g_calc;
datetime g_last_htf_time = 0;
int g_htf_count = 0;
bool g_data_ready = false;
bool g_data_synced = false;
//+------------------------------------------------------------------+
//| Init |
//| EnsureHTFDataReady |
//+------------------------------------------------------------------+
bool EnsureHTFDataReady(const string symbol, const ENUM_TIMEFRAMES timeframe, const int required_bars)
{
ResetLastError();
if(!SymbolInfoInteger(symbol, SYMBOL_SELECT))
{
SymbolSelect(symbol, true);
}
datetime times[];
int copied = CopyTime(symbol, timeframe, 0, required_bars, times);
return (copied >= required_bars);
}
//+------------------------------------------------------------------+
//| OnInit |
//+------------------------------------------------------------------+
int OnInit()
{
g_data_ready = false;
g_data_synced = false;
g_last_htf_time = 0;
g_htf_count = 0;
if(InpTimeframe <= Period() && InpTimeframe != PERIOD_CURRENT)
{
Print("Warning: Target Timeframe should be > Current Timeframe.");
}
SetIndexBuffer(0, BufRVOL, INDICATOR_DATA);
SetIndexBuffer(0, BufRatio, INDICATOR_DATA);
SetIndexBuffer(1, BufColor, INDICATOR_COLOR_INDEX);
ArraySetAsSeries(BufRatio, false);
ArraySetAsSeries(BufColor, false);
string tf_name = StringSubstr(EnumToString(InpTimeframe), 7);
string name = StringFormat("RVOL MTF %s(%d)", tf_name, InpPeriod);
IndicatorSetString(INDICATOR_SHORTNAME, name);
IndicatorSetInteger(INDICATOR_DIGITS, 2);
g_calc = new CRelativeVolumeCalculator();
if(!g_calc.Init(InpPeriod))
if(CheckPointer(g_calc) == POINTER_INVALID || !g_calc.Init(InpPeriod))
return INIT_FAILED;
//--- Initialize 1-second timer for weekend/async chart refreshes
EventSetTimer(1);
return(INIT_SUCCEEDED);
}
void OnDeinit(const int r) { if(CheckPointer(g_calc)==POINTER_DYNAMIC) delete g_calc; }
//+------------------------------------------------------------------+
//| OnDeinit |
//+------------------------------------------------------------------+
void OnDeinit(const int r)
{
EventKillTimer();
if(CheckPointer(g_calc) != POINTER_INVALID)
delete g_calc;
}
//+------------------------------------------------------------------+
//| Calculate |
//| OnCalculate |
//+------------------------------------------------------------------+
int OnCalculate(const int rates_total,
const int prev_calculated,
@@ -84,30 +123,109 @@ int OnCalculate(const int rates_total,
const long &volume[],
const int &spread[])
{
// 1. Fetch HTF Data
int htf_bars = iBars(_Symbol, InpTimeframe);
if(htf_bars < InpPeriod + 10)
//--- Ensure target timeframe history is ready
int required_bars = InpPeriod + 10;
if(!EnsureHTFDataReady(_Symbol, InpTimeframe, required_bars))
{
g_data_synced = false;
return 0; // Wait for next tick to let history load
}
g_data_synced = true;
//--- Determine best volume array (Use Real Volume if available, otherwise fallback to Tick Volume)
long volume_limit = (long)SymbolInfoDouble(_Symbol, SYMBOL_VOLUME_LIMIT);
//--- 1. Check if a new HTF bar has formed
datetime htf_time_current = iTime(_Symbol, InpTimeframe, 0);
bool htf_updated = (htf_time_current != g_last_htf_time);
if(htf_updated || prev_calculated == 0)
{
g_last_htf_time = htf_time_current;
int htf_bars = iBars(_Symbol, InpTimeframe);
if(htf_bars < required_bars)
{
g_data_ready = false;
return 0;
}
g_htf_count = MathMin(htf_bars, 3000);
ArrayResize(h_time, g_htf_count);
ArrayResize(h_vol, g_htf_count);
ArrayResize(h_res, g_htf_count);
if(CopyTime(_Symbol, InpTimeframe, 0, g_htf_count, h_time) != g_htf_count)
{
g_data_ready = false;
return 0;
}
//--- High-Performance dynamic volume routing on the HTF Timeline
int copied_vol = 0;
if(volume_limit > 0)
copied_vol = CopyRealVolume(_Symbol, InpTimeframe, 0, g_htf_count, h_vol);
else
copied_vol = CopyTickVolume(_Symbol, InpTimeframe, 0, g_htf_count, h_vol);
if(copied_vol != g_htf_count)
{
g_data_ready = false;
return 0;
}
//--- Calculate Relative Volume on HTF (Closed bars and forming bar initialized)
g_calc.Calculate(g_htf_count, 0, h_vol, h_res);
g_data_ready = true;
}
if(!g_data_ready)
return 0;
int count = MathMin(htf_bars, 3000);
//--- 2. Live Update for the Current Forming HTF Bar (Index: g_htf_count - 1) on every tick!
int live_idx = g_htf_count - 1;
if(live_idx >= InpPeriod)
{
long vol[1];
int shift = iBarShift(_Symbol, InpTimeframe, htf_time_current, false);
if(shift >= 0)
{
// Copy dynamic volume (Real or Tick depending on volume_limit) from the forming HTF bar
int copied = 0;
if(volume_limit > 0)
copied = CopyRealVolume(_Symbol, InpTimeframe, shift, 1, vol);
else
copied = CopyTickVolume(_Symbol, InpTimeframe, shift, 1, vol);
ArraySetAsSeries(h_time, false);
ArraySetAsSeries(h_vol, false);
if(copied == 1)
{
h_vol[live_idx] = vol[0];
// Use Tick Volume mostly
if(CopyTime(_Symbol, InpTimeframe, 0, count, h_time) != count)
return 0;
if(CopyTickVolume(_Symbol, InpTimeframe, 0, count, h_vol) != count)
return 0;
// Incremental recalculation on the live HTF index (O(1) tick performance)
g_calc.Calculate(g_htf_count, live_idx, h_vol, h_res);
}
}
}
// 2. Calc on HTF
if(ArraySize(h_res) != count)
ArrayResize(h_res, count);
g_calc.Calculate(count, 0, h_vol, h_res);
// 3. Map to Current Chart
//--- 3. FIXED: Dynamically adjust 'start' to the beginning of the current forming HTF bar
//--- This forces the entire forming LTF step block to remain perfectly flat, updating on every tick!
int start = (prev_calculated > 0) ? prev_calculated - 1 : 0;
int first_bar_of_forming_htf = rates_total - 1;
while(first_bar_of_forming_htf > 0 &&
iBarShift(_Symbol, InpTimeframe, time[first_bar_of_forming_htf], false) == 0)
{
first_bar_of_forming_htf--;
}
first_bar_of_forming_htf++; // This is the start of the forming step on lower TF chart
if(start > first_bar_of_forming_htf)
start = first_bar_of_forming_htf;
//--- 4. Incremental Mapping of HTF results to Current Chart Timeframe (O(1) per tick)
for(int i = start; i < rates_total; i++)
{
datetime t = time[i];
@@ -115,30 +233,52 @@ int OnCalculate(const int rates_total,
if(shift_htf >= 0)
{
int idx_htf = count - 1 - shift_htf;
if(idx_htf >= 0 && idx_htf < count)
int idx_htf = g_htf_count - 1 - shift_htf;
if(idx_htf >= 0 && idx_htf < g_htf_count)
{
double val = h_res[idx_htf];
BufRVOL[i] = val;
BufRatio[i] = val;
// Color Logic
// Color Logic (Low, Normal, High)
if(val > InpThreshold)
BufColor[i] = 2.0; // High
BufColor[i] = 2.0; // Index 2: OrangeRed (High activity / Institutional Spike)
else
if(val > 1.0)
BufColor[i] = 1.0; // Normal
BufColor[i] = 1.0; // Index 1: DodgerBlue (Normal activity)
else
BufColor[i] = 0.0; // Low
BufColor[i] = 0.0; // Index 0: Gray (Low activity / Calm)
}
else
{
BufRVOL[i] = EMPTY_VALUE;
BufRatio[i] = EMPTY_VALUE;
BufColor[i] = 0.0;
}
}
else
{
BufRatio[i] = EMPTY_VALUE;
BufColor[i] = 0.0;
}
}
return(rates_total);
}
//+------------------------------------------------------------------+
//| OnTimer |
//| Handles loading checks and force-redraws |
//+------------------------------------------------------------------+
void OnTimer()
{
if(!g_data_synced)
{
int required_bars = InpPeriod + 5;
if(EnsureHTFDataReady(_Symbol, InpTimeframe, required_bars))
{
g_data_synced = true;
ChartRedraw(); // Force MT5 to invoke OnCalculate
}
}
}
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+