1 files changed, 28 insertions, 1 deletions

diff --git a/scene/main/scene_tree.cpp b/scene/main/scene_tree.cpp
index 71d91b970e..16b41c8f9b 100644
--- a/scene/main/scene_tree.cpp
+++ b/scene/main/scene_tree.cpp
@@ -899,7 +899,7 @@ Ref<ArrayMesh> SceneTree::get_debug_contact_mesh() {
 		return debug_contact_mesh;
 	}
 
-	debug_contact_mesh = Ref<ArrayMesh>(memnew(ArrayMesh));
+	debug_contact_mesh.instantiate();
 
 	Ref<StandardMaterial3D> mat = Ref<StandardMaterial3D>(memnew(StandardMaterial3D));
 	mat->set_shading_mode(StandardMaterial3D::SHADING_MODE_UNSHADED);
@@ -954,11 +954,14 @@ Ref<ArrayMesh> SceneTree::get_debug_contact_mesh() {
 
 void SceneTree::set_pause(bool p_enabled) {
 	ERR_FAIL_COND_MSG(!Thread::is_main_thread(), "Pause can only be set from the main thread.");
+	ERR_FAIL_COND_MSG(suspended, "Pause state cannot be modified while suspended.");
 
 	if (p_enabled == paused) {
 		return;
 	}
+
 	paused = p_enabled;
+
 #ifndef _3D_DISABLED
 	PhysicsServer3D::get_singleton()->set_active(!p_enabled);
 #endif // _3D_DISABLED
@@ -972,6 +975,30 @@ bool SceneTree::is_paused() const {
 	return paused;
 }
 
+void SceneTree::set_suspend(bool p_enabled) {
+	ERR_FAIL_COND_MSG(!Thread::is_main_thread(), "Suspend can only be set from the main thread.");
+
+	if (p_enabled == suspended) {
+		return;
+	}
+
+	suspended = p_enabled;
+
+	Engine::get_singleton()->set_freeze_time_scale(p_enabled);
+
+#ifndef _3D_DISABLED
+	PhysicsServer3D::get_singleton()->set_active(!p_enabled && !paused);
+#endif // _3D_DISABLED
+	PhysicsServer2D::get_singleton()->set_active(!p_enabled && !paused);
+	if (get_root()) {
+		get_root()->_propagate_suspend_notification(p_enabled);
+	}
+}
+
+bool SceneTree::is_suspended() const {
+	return suspended;
+}
+
 void SceneTree::_process_group(ProcessGroup *p_group, bool p_physics) {
 	// When reading this function, keep in mind that this code must work in a way where
 	// if any node is removed, this needs to continue working.