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mql5/Indicators/MyIndicators/Chandelier_Exit_Pro.mq5
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//+------------------------------------------------------------------+
//| Chandelier_Exit_Pro.mq5|
//| Copyright 2026, xxxxxxxx|
//+------------------------------------------------------------------+
#property copyright "Copyright 2026, xxxxxxxx"
#property version "1.00" // Unified Standard & MTF Chandelier Exit release
#property description "Charles LeBeau Chandelier Exit (ATR Trailing Stop) system."
#property description "Leverages ATR v3.00 and Heikin Ashi dynamic routing with non-warping MTF steps."
#property indicator_chart_window
#property indicator_buffers 2
#property indicator_plots 1
//--- Plot 1: Chandelier Stop Line (Color Line)
#property indicator_label1 "Chandelier Stop"
#property indicator_type1 DRAW_COLOR_LINE
#property indicator_style1 STYLE_SOLID
#property indicator_width1 1
// Index 0: Bullish (clrDodgerBlue), Index 1: Bearish (clrTomato)
#property indicator_color1 clrDodgerBlue, clrTomato
//--- Included Engines & Core Tools
#include <MyIncludes\Chandelier_Exit_Calculator.mqh>
#include <MyIncludes\DataSync_Tools.mqh> // Centralized MTF synchronization daemon
//--- Input Parameters ---
input group "--- Timeframe Settings ---"
input ENUM_TIMEFRAMES InpTimeframe = PERIOD_CURRENT; // Target Higher Timeframe
input group "--- Chandelier Settings ---"
input int InpAtrPeriod = 22; // ATR & Extreme Lookback Period
input double InpMultiplier = 3.0; // ATR Multiplier
input ENUM_APPLIED_PRICE_HA_ALL InpSourcePrice = PRICE_CLOSE_STD; // Price Source (Supports HA)
//--- Visual Indicator Buffers ---
double BufferStopLine[];
double BufferColor[];
//--- Internal HTF Data Caches
double h_open[], h_high[], h_low[], h_close[];
double h_res_stop[], h_res_color[];
datetime h_time[];
//--- Global Objects & Synchronizer State
CChandelierExitCalculator *g_calculator;
bool g_is_mtf_mode = false;
ENUM_TIMEFRAMES g_calc_timeframe;
bool g_data_ready = false;
bool g_data_synced = false;
int g_htf_count = 0;
datetime g_last_htf_time = 0;
//+------------------------------------------------------------------+
//| Custom Indicator Initialization |
//+------------------------------------------------------------------+
int OnInit()
{
g_data_ready = false;
g_data_synced = false;
g_htf_count = 0;
g_last_htf_time = 0;
//--- 1. Resolve Timeframe and validate direction
g_calc_timeframe = InpTimeframe;
if(g_calc_timeframe == PERIOD_CURRENT)
g_calc_timeframe = (ENUM_TIMEFRAMES)Period();
if(g_calc_timeframe < Period())
{
PrintFormat("Critical Error: Target timeframe (%s) must be >= current timeframe (%s).",
EnumToString(g_calc_timeframe), EnumToString(Period()));
return(INIT_FAILED);
}
g_is_mtf_mode = (g_calc_timeframe > Period());
//--- 2. Bind buffers to index mapping
SetIndexBuffer(0, BufferStopLine, INDICATOR_DATA);
SetIndexBuffer(1, BufferColor, INDICATOR_COLOR_INDEX);
//--- Force strict chronological alignment (false = old to new)
ArraySetAsSeries(BufferStopLine, false);
ArraySetAsSeries(BufferColor, false);
bool is_ha = (InpSourcePrice <= PRICE_HA_CLOSE);
//--- 3. Initialize Physical Chandelier Calculator
g_calculator = new CChandelierExitCalculator();
if(CheckPointer(g_calculator) == POINTER_INVALID)
{
Print("Critical Error: Failed to allocate Chandelier Exit Calculator memory.");
return(INIT_FAILED);
}
if(!g_calculator.Init(InpAtrPeriod, InpMultiplier, is_ha))
{
Print("Critical Error: Failed to initialize Chandelier Exit Calculator.");
return(INIT_FAILED);
}
//--- 4. Dynamic Setup of Indicator Shortname
string tf_str = g_is_mtf_mode ? (" " + EnumToString(g_calc_timeframe)) : "";
string short_name = StringFormat("Chandelier Exit%s%s(%d, %.1f)",
is_ha ? " HA" : "",
tf_str,
InpAtrPeriod,
InpMultiplier);
IndicatorSetString(INDICATOR_SHORTNAME, short_name);
//--- Drawing offset configuration
int draw_begin = InpAtrPeriod + 5;
if(g_is_mtf_mode)
draw_begin = 0; // Handled dynamically in mapped buffers
PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, draw_begin);
IndicatorSetInteger(INDICATOR_DIGITS, _Digits);
//--- 5. Initialize Background Synchronization Timer Daemon (Only if MTF is active)
if(g_is_mtf_mode)
EventSetTimer(1);
return(INIT_SUCCEEDED);
}
//+------------------------------------------------------------------+
//| Custom Indicator Deinitialization |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
{
EventKillTimer();
if(CheckPointer(g_calculator) != POINTER_INVALID)
delete g_calculator;
}
//+------------------------------------------------------------------+
//| Custom Indicator Calculation Loop |
//+------------------------------------------------------------------+
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 required_bars = InpAtrPeriod + 15;
if(rates_total < required_bars)
return 0;
if(CheckPointer(g_calculator) == POINTER_INVALID)
return 0;
//--- Force chronological indexing on current timeframe arrays
ArraySetAsSeries(time, false);
ArraySetAsSeries(open, false);
ArraySetAsSeries(high, false);
ArraySetAsSeries(low, false);
ArraySetAsSeries(close, false);
ENUM_APPLIED_PRICE price_type = (InpSourcePrice <= PRICE_HA_CLOSE) ?
(ENUM_APPLIED_PRICE)(-(int)InpSourcePrice) :
(ENUM_APPLIED_PRICE)InpSourcePrice;
//===================================================================
// MODE 1: Current Timeframe calculation (Standard ultra-high speed)
//===================================================================
if(!g_is_mtf_mode)
{
g_calculator.Calculate(rates_total, prev_calculated, open, high, low, close,
BufferStopLine, BufferColor);
return(rates_total);
}
//===================================================================
// MODE 2: Multi-Timeframe Engine (Warp-free step synchronization)
//===================================================================
if(!CDataSync::EnsureHTFDataReady(_Symbol, g_calc_timeframe, required_bars))
{
g_data_synced = false;
return 0; // Wait for next tick to let history synchronize
}
g_data_synced = true;
//--- Check if a new HTF candle has opened
datetime htf_time_current = iTime(_Symbol, g_calc_timeframe, 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, g_calc_timeframe);
if(htf_bars < required_bars)
{
g_data_ready = false;
return 0;
}
g_htf_count = MathMin(htf_bars, 3000); // Guard rails to prevent memory overload
// Resize all HTF caching arrays
ArrayResize(h_time, g_htf_count);
ArrayResize(h_open, g_htf_count);
ArrayResize(h_high, g_htf_count);
ArrayResize(h_low, g_htf_count);
ArrayResize(h_close, g_htf_count);
ArrayResize(h_res_stop, g_htf_count);
ArrayResize(h_res_color, g_htf_count);
// Force chronological structure on high-level arrays
ArraySetAsSeries(h_time, false);
ArraySetAsSeries(h_open, false);
ArraySetAsSeries(h_high, false);
ArraySetAsSeries(h_low, false);
ArraySetAsSeries(h_close, false);
ArraySetAsSeries(h_res_stop, false);
ArraySetAsSeries(h_res_color, false);
// Copy basic pricing data
if(CopyTime(_Symbol, g_calc_timeframe, 0, g_htf_count, h_time) != g_htf_count ||
CopyOpen(_Symbol, g_calc_timeframe, 0, g_htf_count, h_open) != g_htf_count ||
CopyHigh(_Symbol, g_calc_timeframe, 0, g_htf_count, h_high) != g_htf_count ||
CopyLow(_Symbol, g_calc_timeframe, 0, g_htf_count, h_low) != g_htf_count ||
CopyClose(_Symbol, g_calc_timeframe, 0, g_htf_count, h_close) != g_htf_count)
{
g_data_ready = false;
return 0;
}
//--- Calculate core indicators directly on high timeframe (Initial setup)
g_calculator.Calculate(g_htf_count, 0, h_open, h_high, h_low, h_close, h_res_stop, h_res_color);
g_data_ready = true;
}
if(!g_data_ready)
return 0;
//--- 5. Real-Time Update for the active forming HTF candle (Index: g_htf_count - 1) on every tick
int live_idx = g_htf_count - 1;
if(live_idx >= required_bars)
{
double o[1], h[1], l[1], c[1];
int shift = iBarShift(_Symbol, g_calc_timeframe, htf_time_current, false);
if(shift >= 0 &&
CopyOpen(_Symbol, g_calc_timeframe, shift, 1, o) == 1 &&
CopyHigh(_Symbol, g_calc_timeframe, shift, 1, h) == 1 &&
CopyLow(_Symbol, g_calc_timeframe, shift, 1, l) == 1 &&
CopyClose(_Symbol, g_calc_timeframe, shift, 1, c) == 1)
{
h_open[live_idx] = o[0];
h_high[live_idx] = h[0];
h_low[live_idx] = l[0];
h_close[live_idx] = c[0];
// Stateful, O(1) mock update for the live bar
g_calculator.Calculate(g_htf_count, g_htf_count, h_open, h_high, h_low, h_close, h_res_stop, h_res_color);
}
}
//--- 6. Warp-free step force (Staircase Solution anchor determination)
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, g_calc_timeframe, time[first_bar_of_forming_htf], false) == 0)
{
first_bar_of_forming_htf--;
}
first_bar_of_forming_htf++; // Anchor set to start of current HTF period block
if(start > first_bar_of_forming_htf)
start = first_bar_of_forming_htf;
//--- 7. Map HTF Calculated results cleanly to the lower chart timeframe (O(1) complexity)
for(int i = start; i < rates_total; i++)
{
datetime t = time[i];
int shift_htf = iBarShift(_Symbol, g_calc_timeframe, t, false);
if(shift_htf >= 0)
{
int idx_htf = g_htf_count - 1 - shift_htf;
if(idx_htf >= 0 && idx_htf < g_htf_count)
{
BufferStopLine[i] = h_res_stop[idx_htf];
BufferColor[i] = h_res_color[idx_htf];
}
else
{
BufferStopLine[i] = EMPTY_VALUE;
BufferColor[i] = 0.0;
}
}
else
{
BufferStopLine[i] = EMPTY_VALUE;
BufferColor[i] = 0.0;
}
}
return(rates_total);
}
//+------------------------------------------------------------------+
//| OnTimer Event Handler |
//+------------------------------------------------------------------+
void OnTimer()
{
//--- Delegate asynchronous history checking and forced redraws to DataSync daemon using correct lookback period
int required_bars = InpAtrPeriod + 15;
CDataSync::OnTimerUpdate(_Symbol, g_calc_timeframe, required_bars, g_data_synced);
}
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+
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