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//+------------------------------------------------------------------+
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//| TSI_Combo_MTF_Pro.mq5 |
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//| Copyright 2026, xxxxxxxx|
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2026, xxxxxxxx"
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#property version "1.10" // O(1) Incremental HTF Optimization
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#property description "True Strength Index Combo (Multi-Timeframe)."
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#property description "Displays Main Line, Signal Line, and Histogram from a Higher Timeframe."
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#property indicator_separate_window
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#property indicator_buffers 3
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#property indicator_plots 3
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//--- Plot 1: Histogram (Background)
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#property indicator_label1 "Oscillator"
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#property indicator_type1 DRAW_HISTOGRAM
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#property indicator_color1 clrSilver
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#property indicator_style1 STYLE_SOLID
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#property indicator_width1 1
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//--- Plot 2: TSI Line
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#property indicator_label2 "TSI"
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#property indicator_type2 DRAW_LINE
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#property indicator_color2 clrDodgerBlue
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#property indicator_style2 STYLE_SOLID
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#property indicator_width2 1
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//--- Plot 3: Signal Line
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#property indicator_label3 "Signal"
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#property indicator_type3 DRAW_LINE
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#property indicator_color3 clrOrangeRed
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#property indicator_style3 STYLE_SOLID
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#property indicator_width3 1
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//--- Institutional Levels
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#property indicator_level1 -50.0
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#property indicator_level2 -37.5
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#property indicator_level3 -25.0
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#property indicator_level4 25.0
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#property indicator_level5 37.5
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#property indicator_level6 50.0
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#property indicator_levelstyle STYLE_DOT
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#include <MyIncludes\TSI_Calculator.mqh>
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//--- Input Parameters ---
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input ENUM_TIMEFRAMES InpTimeframe = PERIOD_H1; // Target Timeframe
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input group "TSI Calculation Settings"
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input int InpSlowPeriod = 25;
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input ENUM_MA_TYPE InpSlowMAType = EMA;
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input int InpFastPeriod = 13;
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input ENUM_MA_TYPE InpFastMAType = EMA;
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input ENUM_APPLIED_PRICE_HA_ALL InpSourcePrice = PRICE_CLOSE_STD;
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input group "Signal Line Settings"
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input int InpSignalPeriod = 13;
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input ENUM_MA_TYPE InpSignalMAType = EMA;
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//--- Indicator Buffers ---
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double BufferOsc[];
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double BufferTSI[];
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double BufferSignal[];
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//--- Internal HTF Data Arrays ---
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double h_open[], h_high[], h_low[], h_close[];
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datetime h_time[];
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double h_main[], h_sig[], h_osc[]; // Results
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//--- Global calculator object ---
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CTSICalculator *g_calc;
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//+------------------------------------------------------------------+
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//| Init |
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//+------------------------------------------------------------------+
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int OnInit()
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{
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if(InpTimeframe <= Period() && InpTimeframe != PERIOD_CURRENT)
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{
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Print("Warning: Target Timeframe should be strictly > Current Timeframe.");
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}
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SetIndexBuffer(0, BufferOsc, INDICATOR_DATA);
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SetIndexBuffer(1, BufferTSI, INDICATOR_DATA);
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SetIndexBuffer(2, BufferSignal, INDICATOR_DATA);
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ArraySetAsSeries(BufferOsc, false);
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ArraySetAsSeries(BufferTSI, false);
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ArraySetAsSeries(BufferSignal, false);
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// Factory Logic for Heikin Ashi support
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if(InpSourcePrice <= PRICE_HA_CLOSE)
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g_calc = new CTSICalculator_HA();
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else
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g_calc = new CTSICalculator();
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if(CheckPointer(g_calc) == POINTER_INVALID ||
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!g_calc.Init(InpSlowPeriod, InpSlowMAType, InpFastPeriod, InpFastMAType, InpSignalPeriod, InpSignalMAType))
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{
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Print("Init Failed.");
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return(INIT_FAILED);
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}
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string tf_name = StringSubstr(EnumToString(InpTimeframe), 7);
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string type = (InpSourcePrice <= PRICE_HA_CLOSE) ? " HA" : "";
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IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("TSI Combo MTF %s%s(%d,%d,%d)", tf_name, type, InpSlowPeriod, InpFastPeriod, InpSignalPeriod));
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IndicatorSetInteger(INDICATOR_DIGITS, 2);
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return(INIT_SUCCEEDED);
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}
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void OnDeinit(const int r) { if(CheckPointer(g_calc) != POINTER_INVALID) delete g_calc; }
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//+------------------------------------------------------------------+
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//| Calculate |
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//+------------------------------------------------------------------+
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int OnCalculate(const int rates_total,
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const int prev_calculated,
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const datetime &time[],
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const double &open[],
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const double &high[],
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const double &low[],
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const double &close[],
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const long &tick_volume[],
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const long &volume[],
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const int &spread[])
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{
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// 1. Validate HTF Data Availability
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int htf_bars = iBars(_Symbol, InpTimeframe);
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if(htf_bars < InpSlowPeriod + InpFastPeriod + InpSignalPeriod)
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return 0;
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int count = MathMin(htf_bars, 3000); // Limit deep history for MTF mapping
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ArraySetAsSeries(h_time, false);
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ArraySetAsSeries(h_open, false);
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ArraySetAsSeries(h_high, false);
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ArraySetAsSeries(h_low, false);
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ArraySetAsSeries(h_close, false);
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// Fetch HTF Data
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if(CopyTime(_Symbol, InpTimeframe, 0, count, h_time) != count)
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return 0;
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if(CopyOpen(_Symbol, InpTimeframe, 0, count, h_open) != count)
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return 0;
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if(CopyHigh(_Symbol, InpTimeframe, 0, count, h_high) != count)
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return 0;
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if(CopyLow(_Symbol, InpTimeframe, 0, count, h_low) != count)
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return 0;
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if(CopyClose(_Symbol, InpTimeframe, 0, count, h_close) != count)
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return 0;
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if(ArraySize(h_osc) != count)
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{
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ArrayResize(h_main, count);
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ArrayResize(h_sig, count);
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ArrayResize(h_osc, count);
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}
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// 2. Incremental HTF Calculation (O(1) Optimization)
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static int htf_prev_calculated = 0;
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if(prev_calculated == 0)
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htf_prev_calculated = 0;
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ENUM_APPLIED_PRICE price_type = (InpSourcePrice <= PRICE_HA_CLOSE) ? (ENUM_APPLIED_PRICE)(-(int)InpSourcePrice) : (ENUM_APPLIED_PRICE)InpSourcePrice;
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g_calc.Calculate(count, htf_prev_calculated, price_type, h_open, h_high, h_low, h_close, h_main, h_sig, h_osc);
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// Prepare for next tick
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htf_prev_calculated = count - 1;
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// 3. Map HTF values to Current Timeframe (O(1) Incremental)
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int start = (prev_calculated > 0) ? prev_calculated - 1 : 0;
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for(int i = start; i < rates_total; i++)
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{
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datetime t = time[i];
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int shift_htf = iBarShift(_Symbol, InpTimeframe, t, false);
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if(shift_htf >= 0)
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{
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// Convert descending shift (0 = newest) to ascending chronological index
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int idx_htf = count - 1 - shift_htf;
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if(idx_htf >= 0 && idx_htf < count)
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{
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BufferTSI[i] = h_main[idx_htf];
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BufferSignal[i] = h_sig[idx_htf];
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BufferOsc[i] = h_osc[idx_htf];
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}
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else
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{
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BufferTSI[i] = EMPTY_VALUE;
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BufferSignal[i] = EMPTY_VALUE;
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BufferOsc[i] = EMPTY_VALUE;
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}
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}
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}
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return(rates_total);
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}
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//+------------------------------------------------------------------+
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//+------------------------------------------------------------------+
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