First Code Commit

.idea/.idea.VRC_Collar/.idea/indexLayout.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="UserContentModel">
+    <attachedFolders />
+    <explicitIncludes />
+    <explicitExcludes />
+  </component>
+</project>

.idea/.idea.VRC_Collar/.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

OSCCollar/OSCCollar.cs

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+using BuildSoft.OscCore;
+
+namespace VRC_Console;
+
+public class OSCCollar
+{
+    private OscServer Server { get; init; }
+    private OscClient Client { get; init; }
+    private float _collarAngle, _collarStretch;
+    private const float StretchDeadzone = 0.1f;
+    private const float TurnDeadZone = 5f / 180f; //5 degrees
+    private DateTime _lastMessageSent = DateTime.UnixEpoch;
+    private bool _sendingMessage = false;
+
+    public OSCCollar()
+    {
+        this.Server = new OscServer(9001);
+        this.Client = new OscClient("127.0.0.1", 9000);
+        this._collarAngle = 0;
+        this._collarStretch = 0;
+        Server.TryAddMethodPair("/avatar/parameters/Collar_Angle", CollarAngleHandle, HandleCollarChange);
+        Server.TryAddMethodPair("/avatar/parameters/Collar_Stretch", CollarStretchHandle, HandleCollarChange);
+
+        Thread sendNullInputThread = new Thread(SendNullInput);
+        sendNullInputThread.Start();
+    }
+
+    private void CollarAngleHandle(OscMessageValues messageValues)
+    {
+        this._collarAngle = messageValues.ReadFloatElement(0);
+    }
+    
+    private void CollarStretchHandle(OscMessageValues messageValues)
+    {
+        this._collarStretch = messageValues.ReadFloatElement(0);
+    }
+
+    private void SendNullInput()
+    {
+        while (true)
+        {
+            if (!_sendingMessage)
+            {
+                this.Client.Send("/input/Vertical", 0f);
+                this.Client.Send("/input/LookHorizontal", 0f);
+                this._lastMessageSent = DateTime.Now;
+            }
+            Thread.Sleep(400);
+        }
+    }
+    
+    private static readonly TimeSpan MessageTimeoutSpan = TimeSpan.FromMilliseconds(10);
+    private void HandleCollarChange()
+    {
+        _sendingMessage = true;
+        TimeSpan messageTimeout = _lastMessageSent.Add(MessageTimeoutSpan).Subtract(DateTime.Now);
+        if(messageTimeout > TimeSpan.FromMilliseconds(0))
+            Thread.Sleep(messageTimeout);
+        
+        if (this._collarStretch > StretchDeadzone)
+            this.Client.Send("/input/Vertical", this._collarStretch);
+        else
+            this.Client.Send("/input/Vertical", 0f);
+
+        if (Math.Abs(this._collarAngle) > TurnDeadZone)
+            this.Client.Send("/input/LookHorizontal", CalculateTurnPower(this._collarAngle));
+        else
+            this.Client.Send("/input/LookHorizontal", 0f);
+        _sendingMessage = false;
+    }
+
+    private const float MaxAngle = 180f;
+    private const float MaxPower = 0.5f;
+    private static float CalculateTurnPower(float boneAngle)
+    {
+        return (boneAngle / MaxAngle) * MaxPower;
+    }
+}

OSCCollar/OSCCollar.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net7.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+        <RootNamespace>VRC_Console</RootNamespace>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <PackageReference Include="BuildSoft.OscCore" Version="1.2.1.1" />
+    </ItemGroup>
+
+</Project>

VRC_Collar.sln

@@ -1,8 +1,16 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "OSCCollar", "OSCCollar\OSCCollar.csproj", "{1D3DEA0F-4D6A-473D-AD77-834F4BC6FB02}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
 		Release|Any CPU = Release|Any CPU
 	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{1D3DEA0F-4D6A-473D-AD77-834F4BC6FB02}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{1D3DEA0F-4D6A-473D-AD77-834F4BC6FB02}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{1D3DEA0F-4D6A-473D-AD77-834F4BC6FB02}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{1D3DEA0F-4D6A-473D-AD77-834F4BC6FB02}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
 EndGlobal

VRC_Collar.sln.DotSettings

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+<wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
+	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=OSC/@EntryIndexedValue">OSC</s:String>
+	<s:Boolean x:Key="/Default/UserDictionary/Words/=Deadzone/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary>