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Indicators/MyIndicators/Quant/TrendScore_Pro.mq5

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+//+------------------------------------------------------------------+
+//|                                               TrendScore_Pro.mq5 |
+//|                                          Copyright 2026, xxxxxxxx|
+//+------------------------------------------------------------------+
+#property copyright "Copyright 2026, xxxxxxxx"
+#property version   "1.00"
+#property description "DSMA Trend Score (Histogram) & Slope (Line)."
+#property description "Quantifies trend extension and acceleration in ATR units."
+
+#property indicator_separate_window
+#property indicator_buffers 4
+#property indicator_plots   2
+
+//--- Levels
+#property indicator_level1 1.0
+#property indicator_level2 -1.0
+#property indicator_level3 0.0
+#property indicator_levelcolor clrSilver
+#property indicator_levelstyle STYLE_DOT
+
+//--- Plot 1: Trend Score (Distance from DSMA)
+#property indicator_label1  "Trend Score"
+#property indicator_type1   DRAW_COLOR_HISTOGRAM
+#property indicator_color1  clrGray, clrLime, clrRed // Neutral, Bullish Ext, Bearish Ext
+#property indicator_style1  STYLE_SOLID
+#property indicator_width1  2
+
+//--- Plot 2: Trend Slope (Acceleration)
+#property indicator_label2  "Trend Slope"
+#property indicator_type2   DRAW_LINE
+#property indicator_color2  clrGold
+#property indicator_style2  STYLE_SOLID
+#property indicator_width2  1
+
+//--- Includes
+#include <MyIncludes\DSMA_Calculator.mqh>
+#include <MyIncludes\ATR_Calculator.mqh>
+#include <MyIncludes\Metrics_Tools.mqh>
+
+//--- Input Parameters
+input int      InpDSMAPeriod     = 40;    // Trend Period
+input int      InpATRPeriod      = 14;    // Normalization Period
+input int      InpSlopeLookback  = 5;     // Slope Bars Back
+input double   InpScoreThresh    = 1.0;   // Color Threshold for Score
+
+//--- Buffers
+double BufScore[];
+double BufScoreColors[];
+double BufSlope[];
+double BufDSMA_Internal[]; // Hidden buffer for DSMA calculation
+
+//--- Objects
+CDSMACalculator *g_dsma;
+CATRCalculator  *g_atr;
+
+//+------------------------------------------------------------------+
+//| OnInit                                                           |
+//+------------------------------------------------------------------+
+int OnInit()
+  {
+   SetIndexBuffer(0, BufScore, INDICATOR_DATA);
+   SetIndexBuffer(1, BufScoreColors, INDICATOR_COLOR_INDEX);
+   SetIndexBuffer(2, BufSlope, INDICATOR_DATA);
+   SetIndexBuffer(3, BufDSMA_Internal, INDICATOR_CALCULATIONS);
+
+   string name = StringFormat("TrendScore(%d)", InpDSMAPeriod);
+   IndicatorSetString(INDICATOR_SHORTNAME, name);
+   IndicatorSetInteger(INDICATOR_DIGITS, 2);
+
+   g_dsma = new CDSMACalculator();
+   if(!g_dsma.Init(InpDSMAPeriod))
+      return INIT_FAILED;
+
+   g_atr = new CATRCalculator();
+   if(!g_atr.Init(InpATRPeriod, ATR_POINTS))
+      return INIT_FAILED;
+
+   return(INIT_SUCCEEDED);
+  }
+
+//+------------------------------------------------------------------+
+//| OnDeinit                                                         |
+//+------------------------------------------------------------------+
+void OnDeinit(const int reason)
+  {
+   if(CheckPointer(g_dsma)==POINTER_DYNAMIC)
+      delete g_dsma;
+   if(CheckPointer(g_atr)==POINTER_DYNAMIC)
+      delete g_atr;
+  }
+
+//+------------------------------------------------------------------+
+//| 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(rates_total < MathMax(InpDSMAPeriod, InpATRPeriod) + InpSlopeLookback)
+      return 0;
+
+// 1. Calculate DSMA
+   g_dsma.Calculate(rates_total, prev_calculated, PRICE_CLOSE, open, high, low, close, BufDSMA_Internal);
+
+// 2. Calculate ATR
+   double atr_buf[];
+   if(ArraySize(atr_buf) != rates_total)
+      ArrayResize(atr_buf, rates_total);
+
+   g_atr.Calculate(rates_total, prev_calculated, open, high, low, close, atr_buf);
+
+// 3. Main Loop
+   int start = (prev_calculated > 0) ? prev_calculated - 1 : InpDSMAPeriod + InpSlopeLookback;
+
+   for(int i = start; i < rates_total; i++)
+     {
+      double atr = atr_buf[i];
+      if(atr == 0)
+        {
+         BufScore[i]=0;
+         BufSlope[i]=0;
+         continue;
+        }
+
+      // --- Trend Score ---
+      // (Price - DSMA) / ATR
+      double dsma = BufDSMA_Internal[i];
+      // REFACTORED: Use Metrics Tools
+      double score = CMetricsTools::CalculateDeviation(close[i], dsma, atr);
+      BufScore[i] = score;
+
+      // Color Logic
+      if(score > InpScoreThresh)
+         BufScoreColors[i] = 1.0;      // Lime (Extensions)
+      else
+         if(score < -InpScoreThresh)
+            BufScoreColors[i] = 2.0;   // Red
+         else
+            BufScoreColors[i] = 0.0;   // Gray
+
+      // --- Trend Slope ---
+      // (DSMA - DesmaPrev) / ATR
+      // Using Metrics Tools logic but applied to DSMA array
+      BufSlope[i] = CMetricsTools::CalculateSlope(dsma, BufDSMA_Internal[i-InpSlopeLookback], atr, InpSlopeLookback);
+     }
+
+   return(rates_total);
+  }
+//+------------------------------------------------------------------+
+//+------------------------------------------------------------------+