Added "PleaseHelp" option that does some stuff to the values that the…

… OG library does too
Sekoree · Jul 15, 2022 · c50b53d · c50b53d
1 parent 4557e6a
commit c50b53d
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Showing 3 changed files with 49 additions and 5 deletions.
diff --git a/RendererUI/ViewModels/MainWindowViewModel.cs b/RendererUI/ViewModels/MainWindowViewModel.cs
@@ -56,6 +56,16 @@ public bool UseImaginaryAndRealAverage
                 this.RaisePropertyChanged();
             }
         }
+
+        public bool UsePleaseHelpMe
+        {
+            get => _renderer.UsePleaseHelpMe;
+            set
+            {
+                _renderer.UsePleaseHelpMe = value;
+                this.RaisePropertyChanged();
+            }
+        }
 
         [Reactive] public ObservableCollection<string> FFTWindows { get; set; } = new();
         [Reactive] public string SelectedFFTWindow { get; set; }
@@ -123,9 +133,10 @@ public async Task BrowseForOutputPathAsync()
             }
         }
 
-        public void RenderSongAsync()
+        public async Task RenderSongAsync()
         {
             ShowDoneText = false;
+            await Task.Delay(1000);
             if (!File.Exists(FileToRender) || !Directory.Exists(OutputPath))
             {
                 OutputText = "Invalid file or output path";

diff --git a/RendererUI/Views/MainWindow.axaml b/RendererUI/Views/MainWindow.axaml
@@ -56,6 +56,8 @@
                       SelectedItem="{Binding SelectedFFTWindow}"/>
             <CheckBox IsChecked="{Binding UseImaginaryAndRealAverage}"
                       Content="Use Real + Imaginary FFT Average"/>
+            <CheckBox IsChecked="{Binding UsePleaseHelpMe}"
+                      Content="PleaseGodI'mHavingABreakdown"/>
         </StackPanel>
 
         <StackPanel Grid.Column="0"
@@ -71,7 +73,7 @@
             <CheckBox IsChecked="{Binding UseFFTPositions}"
                       Content="Use FFT Positions"/>
 
-            <TextBlock IsVisible="{Binding ShowDoneText}"
+            <TextBlock IsVisible="{Binding ShowDoneText, Mode=TwoWay}"
                        VerticalAlignment="Center"
                        FontWeight="ExtraBold"
                        FontSize="20"

diff --git a/SekoRenderer/Renderer.cs b/SekoRenderer/Renderer.cs
@@ -14,6 +14,7 @@ public class Renderer
     public bool UseFFTPositions { get; set; }
     public bool UseImaginaryFFTValues { get; set; }
     public bool UseImaginaryAndRealAverage { get; set; }
+    public bool UsePleaseHelpMe { get; set; } = false;
 
     public delegate double _fftWindow(int n, int frameSize);
     public _fftWindow FFTWindow { get; set; }
@@ -27,6 +28,8 @@ public Renderer(int fftResolution = 512)
         UseImaginaryAndRealAverage = false;
         FFTWindow = FastFourierTransform.HannWindow;
         _fftResolution = fftResolution;
+        var could = Bass.Init();
+        Console.WriteLine("Bass.Init returned " + could);
     }
 
     public Renderer(ref _fftWindow fftWindow, bool useFFTPositions = true, bool useImaginaryFFTValues = true, bool useImaginaryAndRealAverage = false, int fftResolution = 512)
@@ -36,6 +39,8 @@ public Renderer(ref _fftWindow fftWindow, bool useFFTPositions = true, bool useI
         UseImaginaryAndRealAverage = useImaginaryAndRealAverage;
         FFTWindow = fftWindow;
         _fftResolution = fftResolution;
+        var could = Bass.Init();
+        Console.WriteLine("Bass.Init returned " + could);
     }
 
     public string Md5HashFile(string fileName)
@@ -123,8 +128,6 @@ public List<float> DecodeSongSums(string path)
     {
         var fft = new float[_fftResolution];
 
-        var could = Bass.Init();
-        Console.WriteLine("Bass.Init returned " + could);
         var chan = Bass.CreateStream(path, Flags: BassFlags.Decode | BassFlags.Float | BassFlags.Prescan);
 
         Console.WriteLine("Prescan2 complete");
@@ -178,6 +181,34 @@ private float FastDecodeStepAsync(int chan, float[] ffts)
 
         FastFourierTransform.FFT(false, (int)Math.Log(_fftResolution, 2.0), ref complexFFTs);
 
+
+        if (UsePleaseHelpMe)
+        {
+            //get avg of real and imaginary parts
+            //var avg = (ulong)complexFFTs[i];
+            var the3CThing = new Complex();
+            complexFFTs[0] = new Complex(0, 0);
+            complexFFTs[1] = new Complex(0, 0);
+            for (var i = 0; i < complexFFTs.Length; i++)
+            {
+                var current = complexFFTs[i];
+                var next = new Complex();
+                if (i + 1 < complexFFTs.Length)
+                {
+                    next = complexFFTs[i + 1];
+                }
+
+                var sqrt = Complex.Sqrt(current * current + next * next) * 0.0009765625f;
+                complexFFTs[i] = sqrt;
+
+                if (sqrt.Real <= the3CThing.Real)
+                {
+                    sqrt = the3CThing;
+                }
+                the3CThing = sqrt;
+            }
+        }
+
         int fFT512KISS = data;
         if (fFT512KISS < 1)
         {
@@ -192,7 +223,7 @@ private float FastDecodeStepAsync(int chan, float[] ffts)
                 var avg = (complexFFTs[i].Real + complexFFTs[i].Imaginary) / 2;
                 num += (float)Math.Sqrt(Math.Max(0f, avg));
             }
-            else if (UseImaginaryFFTValues)
+            else if (UseImaginaryFFTValues && !UsePleaseHelpMe)
             {
                 num += (float)Math.Sqrt(Math.Max(0f, complexFFTs[i].Imaginary));
             }