1 files changed, 19 insertions, 13 deletions

diff --git a/scene/main/node.cpp b/scene/main/node.cpp
index e80de68e3b..5888760973 100644
--- a/scene/main/node.cpp
+++ b/scene/main/node.cpp
@@ -71,6 +71,8 @@ void Node::_notification(int p_notification) {
 
 		} break;
 		case NOTIFICATION_ENTER_TREE: {
+			ERR_FAIL_COND(!get_viewport());
+			ERR_FAIL_COND(!get_tree());
 
 			if (data.pause_mode == PAUSE_MODE_INHERIT) {
 
@@ -94,6 +96,8 @@ void Node::_notification(int p_notification) {
 
 		} break;
 		case NOTIFICATION_EXIT_TREE: {
+			ERR_FAIL_COND(!get_viewport());
+			ERR_FAIL_COND(!get_tree());
 
 			get_tree()->node_count--;
 			orphan_node_count++;
@@ -840,6 +844,8 @@ bool Node::is_processing_internal() const {
 void Node::set_process_priority(int p_priority) {
 	data.process_priority = p_priority;
 
+	ERR_FAIL_COND(!data.tree);
+
 	if (is_processing())
 		data.tree->make_group_changed("idle_process");
 
@@ -949,6 +955,7 @@ void Node::set_name(const String &p_name) {
 	if (is_inside_tree()) {
 
 		emit_signal("renamed");
+		get_tree()->node_renamed(this);
 		get_tree()->tree_changed();
 	}
 }
@@ -1164,7 +1171,7 @@ void Node::add_child(Node *p_child, bool p_legible_unique_name) {
 	ERR_FAIL_NULL(p_child);
 
 	if (p_child == this) {
-		ERR_EXPLAIN("Can't add child '" + p_child->get_name() + "' to itself.")
+		ERR_EXPLAIN("Can't add child '" + p_child->get_name() + "' to itself.");
 		ERR_FAIL_COND(p_child == this); // adding to itself!
 	}
 
@@ -1198,7 +1205,7 @@ void Node::add_child_below_node(Node *p_node, Node *p_child, bool p_legible_uniq
 	if (is_a_parent_of(p_node)) {
 		move_child(p_child, p_node->get_position_in_parent() + 1);
 	} else {
-		WARN_PRINTS("Cannot move under node " + p_node->get_name() + " as " + p_child->get_name() + " does not share a parent.")
+		WARN_PRINTS("Cannot move under node " + p_node->get_name() + " as " + p_child->get_name() + " does not share a parent.");
 	}
 }
 
@@ -1392,7 +1399,7 @@ Node *Node::get_node(const NodePath &p_path) const {
 	Node *node = get_node_or_null(p_path);
 	if (!node) {
 		ERR_EXPLAIN("Node not found: " + p_path);
-		ERR_FAIL_COND_V(!node, NULL);
+		ERR_FAIL_V(NULL);
 	}
 	return node;
 }
@@ -2076,7 +2083,9 @@ Node *Node::_duplicate(int p_flags, Map<const Node *, Node *> *r_duplimap) const
 		}
 	}
 
-	node->set_name(get_name());
+	if (get_name() != String()) {
+		node->set_name(get_name());
+	}
 
 #ifdef TOOLS_ENABLED
 	if ((p_flags & DUPLICATE_FROM_EDITOR) && r_duplimap)
@@ -2474,21 +2483,18 @@ bool Node::has_node_and_resource(const NodePath &p_path) const {
 
 	if (!has_node(p_path))
 		return false;
-	Node *node = get_node(p_path);
-
-	bool result = false;
-
-	node->get_indexed(p_path.get_subnames(), &result);
+	RES res;
+	Vector<StringName> leftover_path;
+	Node *node = get_node_and_resource(p_path, res, leftover_path, false);
 
-	return result;
+	return (node && res.is_valid());
 }
 
 Array Node::_get_node_and_resource(const NodePath &p_path) {
 
-	Node *node;
 	RES res;
 	Vector<StringName> leftover_path;
-	node = get_node_and_resource(p_path, res, leftover_path);
+	Node *node = get_node_and_resource(p_path, res, leftover_path, false);
 	Array result;
 
 	if (node)
@@ -2518,7 +2524,7 @@ Node *Node::get_node_and_resource(const NodePath &p_path, RES &r_res, Vector<Str
 
 		int j = 0;
 		// If not p_last_is_property, we shouldn't consider the last one as part of the resource
-		for (; j < p_path.get_subname_count() - p_last_is_property; j++) {
+		for (; j < p_path.get_subname_count() - (int)p_last_is_property; j++) {
 			RES new_res = j == 0 ? node->get(p_path.get_subname(j)) : r_res->get(p_path.get_subname(j));
 
 			if (new_res.is_null()) {