From be652f160d02c5286765905462f6332ec7cf5ca1 Mon Sep 17 00:00:00 2001
From: A Thousand Ships <96648715+AThousandShips@users.noreply.github.com>
Date: Wed, 10 Apr 2024 12:28:02 +0200
Subject: [PATCH] [Audio] Prevent crash in interactive playback

---
 modules/interactive_music/audio_stream_interactive.cpp | 2 ++
 modules/interactive_music/register_types.cpp           | 6 +++---
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/modules/interactive_music/audio_stream_interactive.cpp b/modules/interactive_music/audio_stream_interactive.cpp
index 01764d66ed1..d7762295eb0 100644
--- a/modules/interactive_music/audio_stream_interactive.cpp
+++ b/modules/interactive_music/audio_stream_interactive.cpp
@@ -976,6 +976,8 @@ void AudioStreamPlaybackInteractive::switch_to_clip_by_name(const StringName &p_
 		return;
 	}
 
+	ERR_FAIL_COND_MSG(stream.is_null(), "Attempted to switch while not playing back any stream.");
+
 	for (int i = 0; i < stream->get_clip_count(); i++) {
 		if (stream->get_clip_name(i) == p_name) {
 			switch_request = i;
diff --git a/modules/interactive_music/register_types.cpp b/modules/interactive_music/register_types.cpp
index 5baea13f817..6175ea6493f 100644
--- a/modules/interactive_music/register_types.cpp
+++ b/modules/interactive_music/register_types.cpp
@@ -42,11 +42,11 @@
 void initialize_interactive_music_module(ModuleInitializationLevel p_level) {
 	if (p_level == MODULE_INITIALIZATION_LEVEL_SCENE) {
 		GDREGISTER_CLASS(AudioStreamPlaylist);
-		GDREGISTER_VIRTUAL_CLASS(AudioStreamPlaybackPlaylist);
+		GDREGISTER_ABSTRACT_CLASS(AudioStreamPlaybackPlaylist);
 		GDREGISTER_CLASS(AudioStreamInteractive);
-		GDREGISTER_VIRTUAL_CLASS(AudioStreamPlaybackInteractive);
+		GDREGISTER_ABSTRACT_CLASS(AudioStreamPlaybackInteractive);
 		GDREGISTER_CLASS(AudioStreamSynchronized);
-		GDREGISTER_VIRTUAL_CLASS(AudioStreamPlaybackSynchronized);
+		GDREGISTER_ABSTRACT_CLASS(AudioStreamPlaybackSynchronized);
 	}
 #ifdef TOOLS_ENABLED
 	if (p_level == MODULE_INITIALIZATION_LEVEL_EDITOR) {