From 01e6f5846335d3741395c741c3f244e71ef36446 Mon Sep 17 00:00:00 2001
From: Ottermandias <nickroederspam+git1@gmail.com>
Date: Fri, 28 Mar 2025 16:53:43 +0100
Subject: [PATCH] Add Launching IPC Event. API 5.8

---
 Penumbra.Api                         |  2 +-
 Penumbra/Api/Api/PenumbraApi.cs      |  5 ++++-
 Penumbra/Api/IpcLaunchingProvider.cs | 28 ++++++++++++++++++++++++++++
 Penumbra/Penumbra.cs                 |  2 ++
 4 files changed, 35 insertions(+), 2 deletions(-)
 create mode 100644 Penumbra/Api/IpcLaunchingProvider.cs

diff --git a/Penumbra.Api b/Penumbra.Api
index 2cbf4bac..bd56d828 160000
--- a/Penumbra.Api
+++ b/Penumbra.Api
@@ -1 +1 @@
-Subproject commit 2cbf4bace53a5749d3eab1ff03025a6e6bd9fc37
+Subproject commit bd56d82816b8366e19dddfb2dc7fd7f167e264ee
diff --git a/Penumbra/Api/Api/PenumbraApi.cs b/Penumbra/Api/Api/PenumbraApi.cs
index 36f799a0..47d44cfc 100644
--- a/Penumbra/Api/Api/PenumbraApi.cs
+++ b/Penumbra/Api/Api/PenumbraApi.cs
@@ -16,13 +16,16 @@ public class PenumbraApi(
     TemporaryApi temporary,
     UiApi ui) : IDisposable, IApiService, IPenumbraApi
 {
+    public const int BreakingVersion = 5;
+    public const int FeatureVersion  = 8;
+
     public void Dispose()
     {
         Valid = false;
     }
 
     public (int Breaking, int Feature) ApiVersion
-        => (5, 7);
+        => (BreakingVersion, FeatureVersion);
 
     public bool                     Valid        { get; private set; } = true;
     public IPenumbraApiCollection   Collection   { get; }              = collection;
diff --git a/Penumbra/Api/IpcLaunchingProvider.cs b/Penumbra/Api/IpcLaunchingProvider.cs
new file mode 100644
index 00000000..ff851003
--- /dev/null
+++ b/Penumbra/Api/IpcLaunchingProvider.cs
@@ -0,0 +1,28 @@
+using Dalamud.Plugin;
+using OtterGui.Log;
+using OtterGui.Services;
+using Penumbra.Api.Api;
+using Serilog.Events;
+
+namespace Penumbra.Api;
+
+public sealed class IpcLaunchingProvider : IApiService
+{
+    public IpcLaunchingProvider(IDalamudPluginInterface pi, Logger log)
+    {
+        try
+        {
+            using var subscriber = log.MainLogger.IsEnabled(LogEventLevel.Debug)
+                ? IpcSubscribers.Launching.Subscriber(pi,
+                    (major, minor) => log.Debug($"[IPC] Invoked Penumbra.Launching IPC with API Version {major}.{minor}."))
+                : null;
+
+            using var provider = IpcSubscribers.Launching.Provider(pi);
+            provider.Invoke(PenumbraApi.BreakingVersion, PenumbraApi.FeatureVersion);
+        }
+        catch (Exception ex)
+        {
+            log.Error($"[IPC] Could not invoke Penumbra.Launching IPC:\n{ex}");
+        }
+    }
+}
diff --git a/Penumbra/Penumbra.cs b/Penumbra/Penumbra.cs
index b6009627..79c7f2db 100644
--- a/Penumbra/Penumbra.cs
+++ b/Penumbra/Penumbra.cs
@@ -58,6 +58,8 @@ public class Penumbra : IDalamudPlugin
         {
             HookOverrides.Instance = HookOverrides.LoadFile(pluginInterface);
             _services              = StaticServiceManager.CreateProvider(this, pluginInterface, Log);
+            // Invoke the IPC Penumbra.Launching method before any hooks or other services are created.
+            _services.GetService<IpcLaunchingProvider>();
             Messager               = _services.GetService<MessageService>();
             _validityChecker       = _services.GetService<ValidityChecker>();
             _services.EnsureRequiredServices();