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2026-01-28 09:10:52 +01:00
commit a1d2e96f8a
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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.30011.22
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SmaHmaCrossoverAlert", "SmaHmaCrossoverAlert\SmaHmaCrossoverAlert.csproj", "{a1056547-1f1b-47ec-bc9f-dbee33be00dc}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{a1056547-1f1b-47ec-bc9f-dbee33be00dc}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{a1056547-1f1b-47ec-bc9f-dbee33be00dc}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{a1056547-1f1b-47ec-bc9f-dbee33be00dc}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{a1056547-1f1b-47ec-bc9f-dbee33be00dc}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal
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+using System;
+using cAlgo.API;
+using cAlgo.API.Internals;
+using cAlgo.API.Indicators;
+
+namespace cAlgo
+{
+    [Indicator(IsOverlay = true, TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
+    public class SmaHmaCrossoverAlert : Indicator
+    {
+        #region Parameters
+
+        [Parameter("SMA Period", DefaultValue = 200, MinValue = 1)]
+        public int SmaPeriod { get; set; }
+
+        [Parameter("HMA Period", DefaultValue = 250, MinValue = 1)]
+        public int HmaPeriod { get; set; }
+
+        [Parameter("Sound File Path", DefaultValue = @"C:\Windows\Media\Alarm05.wav")]
+        public string SoundFilePath { get; set; }
+
+        [Parameter("Source")]
+        public DataSeries Source { get; set; }
+
+        #endregion
+
+        #region Outputs
+
+        [Output("SMA", LineColor = "#FF01FF01", PlotType = PlotType.Line, Thickness = 2)]
+        public IndicatorDataSeries SmaResult { get; set; }
+
+        [Output("HMA", LineColor = "#FFFF6666", PlotType = PlotType.Line, Thickness = 2)]
+        public IndicatorDataSeries HmaResult { get; set; }
+
+        #endregion
+
+        #region Fields
+
+        private SimpleMovingAverage _sma;
+        private HullMovingAverage _hma;
+        private int _lastAlertBarIndex;
+
+        #endregion
+
+        protected override void Initialize()
+        {
+            _sma = Indicators.SimpleMovingAverage(Source, SmaPeriod);
+            _hma = Indicators.HullMovingAverage(Source, HmaPeriod);
+            _lastAlertBarIndex = -1;
+        }
+
+        public override void Calculate(int index)
+        {
+            // Update indicator values
+            SmaResult[index] = _sma.Result[index];
+            HmaResult[index] = _hma.Result[index];
+
+            // Ensure sufficient data exists
+            if ((index <= SmaPeriod) || (index <= HmaPeriod))
+            {
+                return;
+            }
+
+            // Processing alerts only for the last bar (real-time) to prevent playing sounds during backfill
+            if (!IsLastBar)
+            {
+                return;
+            }
+
+            // Prevent multiple alerts on the same bar
+            if (index == _lastAlertBarIndex)
+            {
+                return;
+            }
+
+            double smaCurr = _sma.Result[index];
+            double smaPrev = _sma.Result[index - 1];
+            double hmaCurr = _hma.Result[index];
+            double hmaPrev = _hma.Result[index - 1];
+
+            // Condition 1: SMA Slope
+            bool isSmaRising = smaCurr > smaPrev;
+            bool isSmaFalling = smaCurr < smaPrev;
+
+            // Condition 2: Crossover
+            // CrossUp: Previous HMA was below/equal SMA, Current HMA is above SMA
+            bool isCrossUp = (hmaPrev <= smaPrev) && (hmaCurr > smaCurr);
+            
+            // CrossDown: Previous HMA was above/equal SMA, Current HMA is below SMA
+            bool isCrossDown = (hmaPrev >= smaPrev) && (hmaCurr < smaCurr);
+
+            // Signal Evaluation
+            if ((isSmaRising) && (isCrossUp))
+            {
+                PlayAlert(index);
+            }
+            else if ((isSmaFalling) && (isCrossDown))
+            {
+                PlayAlert(index);
+            }
+        }
+
+        private void PlayAlert(int index)
+        {
+            _lastAlertBarIndex = index;
+            
+            // Try/Catch block to prevent indicator crash if file is missing
+            try
+            {
+                Notifications.PlaySound(SoundFilePath);
+            }
+            catch (Exception ex)
+            {
+                Print("Error playing sound: {0}", ex.Message);
+            }
+        }
+    }
+}
@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="cTrader.Automate" Version="*" />
+  </ItemGroup>
+</Project>