Add project files.

InfinityNikkiRichPresence.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.12.35527.113 d17.12
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "InfinityNikkiRichPresence", "InfinityNikkiRichPresence\InfinityNikkiRichPresence.csproj", "{441A799A-7E21-4171-9678-E6943F550598}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{441A799A-7E21-4171-9678-E6943F550598}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{441A799A-7E21-4171-9678-E6943F550598}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{441A799A-7E21-4171-9678-E6943F550598}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{441A799A-7E21-4171-9678-E6943F550598}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

InfinityNikkiRichPresence/InfinityNikkiRichPresence.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <ApplicationIcon>InfinityNikkiIcon.ico</ApplicationIcon>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Content Include="InfinityNikkiIcon.ico" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="DiscordRichPresence" Version="1.2.1.24" />
+  </ItemGroup>
+
+</Project>

InfinityNikkiRichPresence/Program.cs

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+using DiscordRPC;
+using Newtonsoft.Json;
+using System;
+using System.Diagnostics;
+using System.IO;
+using System.Threading;
+
+class Program
+{
+    static DiscordRpcClient client;
+    static Stopwatch stopwatch;
+    static string gameProcessName = "X6Game-Win64-Shipping";  // The game process you want to monitor
+    static bool isGameRunning = false;
+    static TotalPlaytime totalPlaytime;
+    static string playtimeFilePath = "playtime.json";  // File path to store the total playtime
+
+    static void Main()
+    {
+        // Initialize total playtime from file
+        totalPlaytime = LoadTotalPlaytime();
+
+        // Start a background thread to check the game process
+        Thread gameDetectionThread = new Thread(GameDetectionLoop);
+        gameDetectionThread.IsBackground = true; // This ensures the thread stops when the main application exits
+        gameDetectionThread.Start();
+
+        Console.WriteLine("Monitoring game... Press any key to exit.");
+        Console.ReadKey();  // Keeps the application running until the user presses a key
+
+        // Clean up and dispose the Discord client when the application exits
+        client?.Dispose();
+    }
+
+    static void GameDetectionLoop()
+    {
+        while (true)
+        {
+            Process[] processes = Process.GetProcessesByName(gameProcessName);
+
+            if (processes.Length > 0 && !isGameRunning)
+            {
+                // Game has started and was not previously detected
+                Console.WriteLine("Game started! Running Call to make RichPresence!");
+                isGameRunning = true;
+                stopwatch = new Stopwatch();
+                stopwatch.Start();
+
+                // Initialize Discord Rich Presence after detecting the game
+                client = new DiscordRpcClient("1318345278088024128");  // Replace with your app ID
+                client.Initialize();
+            }
+            else if (processes.Length == 0 && isGameRunning)
+            {
+                // Game has stopped, and it was previously running
+                Console.WriteLine("Game stopped! Running Call to Stop RichPresence!");
+                isGameRunning = false;
+                stopwatch.Stop();
+                totalPlaytime.ElapsedTime += stopwatch.Elapsed; // Update total playtime
+                SaveTotalPlaytime(); // Save the updated total playtime
+                stopwatch.Reset();
+
+                // Clear Discord Rich Presence when the game is not running
+                client.ClearPresence();
+            }
+
+            // Update Rich Presence every 5 seconds if the game is running
+            if (isGameRunning)
+            {
+                UpdateRichPresence();
+            }
+
+            // Sleep for 5 seconds before checking again to prevent timeouts with Discord
+            Thread.Sleep(5000);  // 5 seconds
+        }
+    }
+
+    static void UpdateRichPresence()
+    {
+        // Calculate total accumulated playtime
+        TimeSpan totalPlaytimeElapsed = totalPlaytime.ElapsedTime + stopwatch.Elapsed;
+
+        // Update Rich Presence with total playtime only
+        client.SetPresence(new RichPresence()
+        {
+            Details = "Playing Infinity Nikki",  // Game title
+            State = $"Total Playtime: {totalPlaytimeElapsed.Hours}h {totalPlaytimeElapsed.Minutes}m", // Only show total playtime
+            Timestamps = new Timestamps() { Start = DateTime.UtcNow - stopwatch.Elapsed },  // Session start time
+        });
+    }
+
+
+    static TotalPlaytime LoadTotalPlaytime()
+    {
+        // Check if the playtime file exists
+        if (File.Exists(playtimeFilePath))
+        {
+            // Read the file and deserialize the total playtime data
+            string json = File.ReadAllText(playtimeFilePath);
+            return JsonConvert.DeserializeObject<TotalPlaytime>(json);
+        }
+        else
+        {
+            // If the file doesn't exist, initialize total playtime to 0 hours and 0 minutes
+            return new TotalPlaytime { ElapsedTime = TimeSpan.Zero };
+        }
+    }
+
+    static void SaveTotalPlaytime()
+    {
+        // Serialize the total playtime to JSON and save it to the file
+        string json = JsonConvert.SerializeObject(totalPlaytime, Formatting.Indented);
+        File.WriteAllText(playtimeFilePath, json);
+    }
+}
+
+// Class to hold the total playtime data
+public class TotalPlaytime
+{
+    public TimeSpan ElapsedTime { get; set; }  // Total accumulated playtime
+}