From 90cf873979a0e5b13a2cbc97eb077ee9266e48a5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pawe=C5=82=20Fertyk?= <pfertyk@pfertyk.me>
Date: Thu, 23 Nov 2023 13:41:05 +0100
Subject: [PATCH] Fix AudioStreamPlayer not paused on pause mode change

Fixes #58543.
---
 scene/main/node.cpp | 36 ++++++++++++++++++++++++------------
 scene/main/node.h   |  1 +
 2 files changed, 25 insertions(+), 12 deletions(-)

diff --git a/scene/main/node.cpp b/scene/main/node.cpp
index e528a4a6723..d73526f54ed 100644
--- a/scene/main/node.cpp
+++ b/scene/main/node.cpp
@@ -517,25 +517,27 @@ void Node::set_pause_mode(PauseMode p_mode) {
 	}
 
 	bool prev_inherits = data.pause_mode == PAUSE_MODE_INHERIT;
+	bool prev_can_process = is_inside_tree() && can_process();
 	data.pause_mode = p_mode;
 	if (!is_inside_tree()) {
 		return; //pointless
 	}
-	if ((data.pause_mode == PAUSE_MODE_INHERIT) == prev_inherits) {
-		return; ///nothing changed
-	}
+	if ((data.pause_mode == PAUSE_MODE_INHERIT) != prev_inherits) {
+		Node *owner = nullptr;
 
-	Node *owner = nullptr;
-
-	if (data.pause_mode == PAUSE_MODE_INHERIT) {
-		if (data.parent) {
-			owner = data.parent->data.pause_owner;
+		if (data.pause_mode == PAUSE_MODE_INHERIT) {
+			if (data.parent) {
+				owner = data.parent->data.pause_owner;
+			}
+		} else {
+			owner = this;
 		}
-	} else {
-		owner = this;
-	}
 
-	_propagate_pause_owner(owner);
+		_propagate_pause_owner(owner);
+	}
+	if (prev_can_process != can_process()) {
+		_propagate_pause_change_notification(can_process() ? NOTIFICATION_UNPAUSED : NOTIFICATION_PAUSED);
+	}
 }
 
 Node::PauseMode Node::get_pause_mode() const {
@@ -552,6 +554,16 @@ void Node::_propagate_pause_owner(Node *p_owner) {
 	}
 }
 
+void Node::_propagate_pause_change_notification(int p_notification) {
+	notification(p_notification);
+
+	for (int i = 0; i < data.children.size(); i++) {
+		if (data.children[i]->data.pause_mode == PAUSE_MODE_INHERIT) {
+			data.children[i]->_propagate_pause_change_notification(p_notification);
+		}
+	}
+}
+
 void Node::set_network_master(int p_peer_id, bool p_recursive) {
 	data.network_master = p_peer_id;
 
diff --git a/scene/main/node.h b/scene/main/node.h
index 133d01dbfb7..e7c57473efc 100644
--- a/scene/main/node.h
+++ b/scene/main/node.h
@@ -208,6 +208,7 @@ private:
 	void _print_stray_nodes();
 	void _propagate_pause_owner(Node *p_owner);
 	void _propagate_groups_dirty();
+	void _propagate_pause_change_notification(int p_notification);
 	Array _get_node_and_resource(const NodePath &p_path);
 
 	void _duplicate_signals(const Node *p_original, Node *p_copy) const;