From 8ff42771a49587b239e1e628c464ec251b949b19 Mon Sep 17 00:00:00 2001
From: Juan Linietsky <reduzio@gmail.com>
Date: Sun, 29 Jul 2018 21:20:41 -0300
Subject: [PATCH] Ensure process notification is received only if really
 enabled, fixes #7894

(cherry picked from commit 15db793ef277b6d2c3aae5e5a075ba2ece31b27a)
---
 scene/main/node.cpp       | 13 ++++++++++++-
 scene/main/node.h         |  1 +
 scene/main/scene_tree.cpp |  2 ++
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/scene/main/node.cpp b/scene/main/node.cpp
index 17b8238b0d..a3562de7da 100644
--- a/scene/main/node.cpp
+++ b/scene/main/node.cpp
@@ -238,7 +238,7 @@ void Node::_propagate_enter_tree() {
 
 void Node::_propagate_exit_tree() {
 
-	//block while removing children
+//block while removing children
 
 #ifdef DEBUG_ENABLED
 
@@ -990,6 +990,17 @@ bool Node::can_call_rset(const StringName &p_property, int p_from) const {
 	return false;
 }
 
+bool Node::can_process_notification(int p_what) const {
+	switch (p_what) {
+		case NOTIFICATION_PHYSICS_PROCESS: return data.physics_process;
+		case NOTIFICATION_PROCESS: return data.idle_process;
+		case NOTIFICATION_INTERNAL_PROCESS: return data.idle_process_internal;
+		case NOTIFICATION_INTERNAL_PHYSICS_PROCESS: return data.physics_process_internal;
+	}
+
+	return true;
+}
+
 bool Node::can_process() const {
 
 	ERR_FAIL_COND_V(!is_inside_tree(), false);
diff --git a/scene/main/node.h b/scene/main/node.h
index e9e010c937..d07fb101e4 100644
--- a/scene/main/node.h
+++ b/scene/main/node.h
@@ -355,6 +355,7 @@ public:
 	void set_pause_mode(PauseMode p_mode);
 	PauseMode get_pause_mode() const;
 	bool can_process() const;
+	bool can_process_notification(int p_what) const;
 
 	void request_ready();
 
diff --git a/scene/main/scene_tree.cpp b/scene/main/scene_tree.cpp
index 12b5a1498d..ab1a4d403b 100644
--- a/scene/main/scene_tree.cpp
+++ b/scene/main/scene_tree.cpp
@@ -932,6 +932,8 @@ void SceneTree::_notify_group_pause(const StringName &p_group, int p_notificatio
 
 		if (!n->can_process())
 			continue;
+		if (!n->can_process_notification(p_notification))
+			continue;
 
 		n->notification(p_notification);
 		//ERR_FAIL_COND(node_count != g.nodes.size());