From 5b714b0650849b0cff767c45ffb2420e81cb14f0 Mon Sep 17 00:00:00 2001
From: fallenoak <git@fallenoak.me>
Date: Thu, 27 Nov 2025 11:29:12 -0600
Subject: [PATCH] feat(sound): add SI2::StopOrFadeOut

---
 src/sound/SI2.cpp | 18 +++++++++++++++++-
 src/sound/SI2.hpp |  1 +
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/src/sound/SI2.cpp b/src/sound/SI2.cpp
index df38bdc..e5dcc28 100644
--- a/src/sound/SI2.cpp
+++ b/src/sound/SI2.cpp
@@ -992,7 +992,7 @@ void SI2::StartGlueMusic(const char* name) {
     // Stop playing credits music
 
     EventUnregister(EVENT_ID_POLL, &SI2::CreditsMusicUpdate);
-    // TODO SI2::Sub4C6390(&s_CreditsMusicObject, 0, 3.0, 1);
+    SI2::StopOrFadeOut(&s_CreditsMusicObject, 0, 3.0f, 1);
 
     if (!name) {
         return;
@@ -1017,3 +1017,19 @@ void SI2::StartGlueMusic(const char* name) {
 
     EventRegister(EVENT_ID_POLL, &SI2::GlueMusicUpdate);
 }
+
+int32_t SI2::StopOrFadeOut(SOUNDKITOBJECT* object, int32_t stop, float fadeOutTime, int32_t a4) {
+    auto userData = static_cast<SI2USERDATA*>(object->m_sound.GetUserData());
+
+    if (userData) {
+        // TODO
+    }
+
+    object->m_sound.StopOrFadeOut(stop, fadeOutTime);
+
+    if (a4) {
+        // TODO
+    }
+
+    return 0;
+}
diff --git a/src/sound/SI2.hpp b/src/sound/SI2.hpp
index 957c78a..5c58f45 100644
--- a/src/sound/SI2.hpp
+++ b/src/sound/SI2.hpp
@@ -36,6 +36,7 @@ class SI2 {
         static void RegisterUserCVars();
         static void RegisterScriptFunctions();
         static void StartGlueMusic(const char* name);
+        static int32_t StopOrFadeOut(SOUNDKITOBJECT* object, int32_t stop, float fadeOutTime, int32_t a4);
 };
 
 #endif