Inital solution commit.

.gitignore

@@ -328,3 +328,4 @@ ASALocalRun/
 
 # MFractors (Xamarin productivity tool) working folder 
 .mfractor/
+BeatSaberDiscordPresence/libs/

BeatSaberDiscordPresence.sln

@@ -0,0 +1,16 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BeatSaberDiscordPresence", "BeatSaberDiscordPresence\BeatSaberDiscordPresence.csproj", "{0A3B23AC-9395-49EF-BD55-57BAC10947AE}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{0A3B23AC-9395-49EF-BD55-57BAC10947AE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{0A3B23AC-9395-49EF-BD55-57BAC10947AE}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{0A3B23AC-9395-49EF-BD55-57BAC10947AE}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{0A3B23AC-9395-49EF-BD55-57BAC10947AE}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal

BeatSaberDiscordPresence/BeatSaberDiscordPresence.csproj

@@ -0,0 +1,68 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{0A3B23AC-9395-49EF-BD55-57BAC10947AE}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>BeatSaberDiscordPresence</RootNamespace>
+    <AssemblyName>BeatSaberDiscordPresence</AssemblyName>
+    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="Assembly-CSharp, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null">
+      <HintPath>D:\SteamLibrary\steamapps\common\Beat Saber\Beat Saber_Data\Managed\Assembly-CSharp.dll</HintPath>
+    </Reference>
+    <Reference Include="discord-rpc">
+      <HintPath>libs\discord-rpc.dll</HintPath>
+    </Reference>
+    <Reference Include="IllusionPlugin, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null">
+      <HintPath>D:\SteamLibrary\steamapps\common\Beat Saber\Beat Saber_Data\Managed\IllusionPlugin.dll</HintPath>
+    </Reference>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Xml" />
+    <Reference Include="UnityEngine, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null">
+      <HintPath>D:\SteamLibrary\steamapps\common\Beat Saber\Beat Saber_Data\Managed\UnityEngine.dll</HintPath>
+    </Reference>
+    <Reference Include="UnityEngine.CoreModule, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null">
+      <HintPath>D:\SteamLibrary\steamapps\common\Beat Saber\Beat Saber_Data\Managed\UnityEngine.CoreModule.dll</HintPath>
+    </Reference>
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="DiscordRpc.cs" />
+    <Compile Include="Plugin.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+         Other similar extension points exist, see Microsoft.Common.targets.
+    <Target Name="BeforeBuild">
+    </Target>
+    <Target Name="AfterBuild">
+    </Target>
+    -->
+</Project>

BeatSaberDiscordPresence/DiscordRpc.cs

@@ -0,0 +1,223 @@
+using System;
+using System.Collections.Generic;
+using System.Runtime.InteropServices;
+using System.Text;
+
+namespace BeatSaberDiscordPresence
+{
+    public class DiscordRpc
+    {
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate void ReadyCallback(ref DiscordUser connectedUser);
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate void DisconnectedCallback(int errorCode, string message);
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate void ErrorCallback(int errorCode, string message);
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate void JoinCallback(string secret);
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate void SpectateCallback(string secret);
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate void RequestCallback(ref DiscordUser request);
+
+        public struct EventHandlers
+        {
+            public ReadyCallback readyCallback;
+            public DisconnectedCallback disconnectedCallback;
+            public ErrorCallback errorCallback;
+            public JoinCallback joinCallback;
+            public SpectateCallback spectateCallback;
+            public RequestCallback requestCallback;
+        }
+
+        [Serializable, StructLayout(LayoutKind.Sequential)]
+        public struct RichPresenceStruct
+        {
+            public IntPtr state; /* max 128 bytes */
+            public IntPtr details; /* max 128 bytes */
+            public long startTimestamp;
+            public long endTimestamp;
+            public IntPtr largeImageKey; /* max 32 bytes */
+            public IntPtr largeImageText; /* max 128 bytes */
+            public IntPtr smallImageKey; /* max 32 bytes */
+            public IntPtr smallImageText; /* max 128 bytes */
+            public IntPtr partyId; /* max 128 bytes */
+            public int partySize;
+            public int partyMax;
+            public IntPtr matchSecret; /* max 128 bytes */
+            public IntPtr joinSecret; /* max 128 bytes */
+            public IntPtr spectateSecret; /* max 128 bytes */
+            public bool instance;
+        }
+
+        [Serializable]
+        public struct DiscordUser
+        {
+            public string userId;
+            public string username;
+            public string discriminator;
+            public string avatar;
+        }
+
+        public enum Reply
+        {
+            No = 0,
+            Yes = 1,
+            Ignore = 2
+        }
+
+        [DllImport("discord-rpc", EntryPoint = "Discord_Initialize", CallingConvention = CallingConvention.Cdecl)]
+        public static extern void Initialize(string applicationId, ref EventHandlers handlers, bool autoRegister, string optionalSteamId);
+
+        [DllImport("discord-rpc", EntryPoint = "Discord_Shutdown", CallingConvention = CallingConvention.Cdecl)]
+        public static extern void Shutdown();
+
+        [DllImport("discord-rpc", EntryPoint = "Discord_RunCallbacks", CallingConvention = CallingConvention.Cdecl)]
+        public static extern void RunCallbacks();
+
+        [DllImport("discord-rpc", EntryPoint = "Discord_UpdatePresence", CallingConvention = CallingConvention.Cdecl)]
+        private static extern void UpdatePresenceNative(ref RichPresenceStruct presence);
+
+        [DllImport("discord-rpc", EntryPoint = "Discord_ClearPresence", CallingConvention = CallingConvention.Cdecl)]
+        public static extern void ClearPresence();
+
+        [DllImport("discord-rpc", EntryPoint = "Discord_Respond", CallingConvention = CallingConvention.Cdecl)]
+        public static extern void Respond(string userId, Reply reply);
+
+        [DllImport("discord-rpc", EntryPoint = "Discord_UpdateHandlers", CallingConvention = CallingConvention.Cdecl)]
+        public static extern void UpdateHandlers(ref EventHandlers handlers);
+
+        public static void UpdatePresence(RichPresence presence)
+        {
+            var presencestruct = presence.GetStruct();
+            UpdatePresenceNative(ref presencestruct);
+            presence.FreeMem();
+        }
+
+        public class RichPresence
+        {
+            private RichPresenceStruct _presence;
+            private readonly List<IntPtr> _buffers = new List<IntPtr>(10);
+
+            public string state; /* max 128 bytes */
+            public string details; /* max 128 bytes */
+            public long startTimestamp;
+            public long endTimestamp;
+            public string largeImageKey; /* max 32 bytes */
+            public string largeImageText; /* max 128 bytes */
+            public string smallImageKey; /* max 32 bytes */
+            public string smallImageText; /* max 128 bytes */
+            public string partyId; /* max 128 bytes */
+            public int partySize;
+            public int partyMax;
+            public string matchSecret; /* max 128 bytes */
+            public string joinSecret; /* max 128 bytes */
+            public string spectateSecret; /* max 128 bytes */
+            public bool instance;
+
+            /// <summary>
+            /// Get the <see cref="RichPresenceStruct"/> reprensentation of this instance
+            /// </summary>
+            /// <returns><see cref="RichPresenceStruct"/> reprensentation of this instance</returns>
+            internal RichPresenceStruct GetStruct()
+            {
+                if (_buffers.Count > 0)
+                {
+                    FreeMem();
+                }
+
+                _presence.state = StrToPtr(state, 128);
+                _presence.details = StrToPtr(details, 128);
+                _presence.startTimestamp = startTimestamp;
+                _presence.endTimestamp = endTimestamp;
+                _presence.largeImageKey = StrToPtr(largeImageKey, 32);
+                _presence.largeImageText = StrToPtr(largeImageText, 128);
+                _presence.smallImageKey = StrToPtr(smallImageKey, 32);
+                _presence.smallImageText = StrToPtr(smallImageText, 128);
+                _presence.partyId = StrToPtr(partyId, 128);
+                _presence.partySize = partySize;
+                _presence.partyMax = partyMax;
+                _presence.matchSecret = StrToPtr(matchSecret, 128);
+                _presence.joinSecret = StrToPtr(joinSecret, 128);
+                _presence.spectateSecret = StrToPtr(spectateSecret, 128);
+                _presence.instance = instance;
+
+                return _presence;
+            }
+
+            /// <summary>
+            /// Returns a pointer to a representation of the given string with a size of maxbytes
+            /// </summary>
+            /// <param name="input">String to convert</param>
+            /// <param name="maxbytes">Max number of bytes to use</param>
+            /// <returns>Pointer to the UTF-8 representation of <see cref="input"/></returns>
+            private IntPtr StrToPtr(string input, int maxbytes)
+            {
+                if (string.IsNullOrEmpty(input)) return IntPtr.Zero;
+                var convstr = StrClampBytes(input, maxbytes);
+                var convbytecnt = Encoding.UTF8.GetByteCount(convstr);
+                var buffer = Marshal.AllocHGlobal(convbytecnt);
+                _buffers.Add(buffer);
+                Marshal.Copy(Encoding.UTF8.GetBytes(convstr), 0, buffer, convbytecnt);
+                return buffer;
+            }
+
+            /// <summary>
+            /// Convert string to UTF-8 and add null termination
+            /// </summary>
+            /// <param name="toconv">string to convert</param>
+            /// <returns>UTF-8 representation of <see cref="toconv"/> with added null termination</returns>
+            private static string StrToUtf8NullTerm(string toconv)
+            {
+                var str = toconv.Trim();
+                var bytes = Encoding.Default.GetBytes(str);
+                if (bytes.Length > 0 && bytes[bytes.Length - 1] != 0)
+                {
+                    str += "\0\0";
+                }
+                return Encoding.UTF8.GetString(Encoding.UTF8.GetBytes(str));
+            }
+
+            /// <summary>
+            /// Clamp the string to the given byte length preserving null termination
+            /// </summary>
+            /// <param name="toclamp">string to clamp</param>
+            /// <param name="maxbytes">max bytes the resulting string should have (including null termination)</param>
+            /// <returns>null terminated string with a byte length less or equal to <see cref="maxbytes"/></returns>
+            private static string StrClampBytes(string toclamp, int maxbytes)
+            {
+                var str = StrToUtf8NullTerm(toclamp);
+                var strbytes = Encoding.UTF8.GetBytes(str);
+
+                if (strbytes.Length <= maxbytes)
+                {
+                    return str;
+                }
+
+                var newstrbytes = new byte[] { };
+                Array.Copy(strbytes, 0, newstrbytes, 0, maxbytes - 1);
+                newstrbytes[newstrbytes.Length - 1] = 0;
+                newstrbytes[newstrbytes.Length - 2] = 0;
+
+                return Encoding.UTF8.GetString(newstrbytes);
+            }
+
+            /// <summary>
+            /// Free the allocated memory for conversion to <see cref="RichPresenceStruct"/>
+            /// </summary>
+            internal void FreeMem()
+            {
+                for (var i = _buffers.Count - 1; i >= 0; i--)
+                {
+                    Marshal.FreeHGlobal(_buffers[i]);
+                    _buffers.RemoveAt(i);
+                }
+            }
+        }
+    }
+}

BeatSaberDiscordPresence/Properties/AssemblyInfo.cs

@@ -0,0 +1,35 @@
+using System.Reflection;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following 
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("BeatSaberDiscordPresence")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("BeatSaberDiscordPresence")]
+[assembly: AssemblyCopyright("Copyright ©  2018")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible 
+// to COM components.  If you need to access a type in this assembly from 
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("0A3B23AC-9395-49EF-BD55-57BAC10947AE")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version 
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers 
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]