From 1c0b0886642a417131ed02ecbf1ef45f1fd0b5d4 Mon Sep 17 00:00:00 2001
From: ivanmilevtues <ivanmilevtues@gmail.com>
Date: Sat, 10 Oct 2026 21:02:15 +0200
Subject: [PATCH] Record recent launches in LaunchHistory

---
 Bloxstrap/Integrations/LaunchHistory.cs | 47 +++++++++++++++++++++++++
 Bloxstrap/LaunchHandler.cs              |  2 ++
 2 files changed, 49 insertions(+)
 create mode 100644 Bloxstrap/Integrations/LaunchHistory.cs

diff --git a/Bloxstrap/Integrations/LaunchHistory.cs b/Bloxstrap/Integrations/LaunchHistory.cs
new file mode 100644
index 000000000..f77608253
--- /dev/null
+++ b/Bloxstrap/Integrations/LaunchHistory.cs
@@ -0,0 +1,47 @@
+using System.Text.Json;
+
+namespace Bloxstrap.Integrations
+{
+    /// <summary>
+    /// Keeps the last few launches (mode and time) next to Bloxstrap's own data, so the
+    /// settings window can show when Roblox or Studio was last opened.
+    /// </summary>
+    public static class LaunchHistory
+    {
+        private const int MaxEntries = 20;
+
+        private static string FilePath => Path.Combine(Paths.Base, "LaunchHistory.json");
+
+        public record Entry(LaunchMode Mode, DateTime LaunchedAt);
+
+        public static IReadOnlyList<Entry> Load()
+        {
+            try
+            {
+                if (!File.Exists(FilePath))
+                    return Array.Empty<Entry>();
+
+                return JsonSerializer.Deserialize<List<Entry>>(File.ReadAllText(FilePath)) ?? new List<Entry>();
+            }
+            catch (Exception ex)
+            {
+                App.Logger.WriteException("LaunchHistory::Load", ex);
+                return Array.Empty<Entry>();
+            }
+        }
+
+        public static void Record(LaunchMode mode)
+        {
+            var entries = Load().Prepend(new Entry(mode, DateTime.UtcNow)).Take(MaxEntries).ToList();
+
+            try
+            {
+                File.WriteAllText(FilePath, JsonSerializer.Serialize(entries));
+            }
+            catch (Exception ex)
+            {
+                App.Logger.WriteException("LaunchHistory::Record", ex);
+            }
+        }
+    }
+}
diff --git a/Bloxstrap/LaunchHandler.cs b/Bloxstrap/LaunchHandler.cs
index f21829f6a..342373c63 100644
--- a/Bloxstrap/LaunchHandler.cs
+++ b/Bloxstrap/LaunchHandler.cs
@@ -23,11 +23,13 @@ public static void ProcessNextAction(NextAction action, bool isUnfinishedInstall
 
                 case NextAction.LaunchRoblox:
                     App.Logger.WriteLine(LOG_IDENT, "Opening Roblox");
+                    Integrations.LaunchHistory.Record(LaunchMode.Player);
                     LaunchRoblox(LaunchMode.Player);
                     break;
 
                 case NextAction.LaunchRobloxStudio:
                     App.Logger.WriteLine(LOG_IDENT, "Opening Roblox Studio");
+                    Integrations.LaunchHistory.Record(LaunchMode.Studio);
                     LaunchRoblox(LaunchMode.Studio);
                     break;