1 files changed, 21 insertions, 7 deletions

diff --git a/scene/main/scene_tree.cpp b/scene/main/scene_tree.cpp
index 9f32c65f7b..9aaddfd373 100644
--- a/scene/main/scene_tree.cpp
+++ b/scene/main/scene_tree.cpp
@@ -54,6 +54,7 @@
 #include "window.h"
 
 #include <stdio.h>
+#include <stdlib.h>
 
 void SceneTreeTimer::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_time_left", "time"), &SceneTreeTimer::set_time_left);
@@ -534,12 +535,7 @@ void SceneTree::finalize() {
 }
 
 void SceneTree::quit(int p_exit_code) {
-	if (p_exit_code >= 0) {
-		// Override the exit code if a positive argument is given (the default is `-1`).
-		// This is a shorthand for calling `set_exit_code()` on the OS singleton then quitting.
-		OS::get_singleton()->set_exit_code(p_exit_code);
-	}
-
+	OS::get_singleton()->set_exit_code(p_exit_code);
 	_quit = true;
 }
 
@@ -956,6 +952,21 @@ bool SceneTree::has_group(const StringName &p_identifier) const {
 	return group_map.has(p_identifier);
 }
 
+Node *SceneTree::get_first_node_in_group(const StringName &p_group) {
+	Map<StringName, Group>::Element *E = group_map.find(p_group);
+	if (!E) {
+		return nullptr; //no group
+	}
+
+	_update_group_order(E->get()); //update order just in case
+
+	if (E->get().nodes.size() == 0) {
+		return nullptr;
+	}
+
+	return E->get().nodes[0];
+}
+
 void SceneTree::get_nodes_in_group(const StringName &p_group, List<Node *> *p_list) {
 	Map<StringName, Group>::Element *E = group_map.find(p_group);
 	if (!E) {
@@ -1190,7 +1201,7 @@ void SceneTree::_bind_methods() {
 
 	ClassDB::bind_method(D_METHOD("get_node_count"), &SceneTree::get_node_count);
 	ClassDB::bind_method(D_METHOD("get_frame"), &SceneTree::get_frame);
-	ClassDB::bind_method(D_METHOD("quit", "exit_code"), &SceneTree::quit, DEFVAL(-1));
+	ClassDB::bind_method(D_METHOD("quit", "exit_code"), &SceneTree::quit, DEFVAL(EXIT_SUCCESS));
 
 	ClassDB::bind_method(D_METHOD("queue_delete", "obj"), &SceneTree::queue_delete);
 
@@ -1216,6 +1227,7 @@ void SceneTree::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_group", "group", "property", "value"), &SceneTree::set_group);
 
 	ClassDB::bind_method(D_METHOD("get_nodes_in_group", "group"), &SceneTree::_get_nodes_in_group);
+	ClassDB::bind_method(D_METHOD("get_first_node_in_group", "group"), &SceneTree::get_first_node_in_group);
 
 	ClassDB::bind_method(D_METHOD("set_current_scene", "child_node"), &SceneTree::set_current_scene);
 	ClassDB::bind_method(D_METHOD("get_current_scene"), &SceneTree::get_current_scene);
@@ -1334,6 +1346,8 @@ SceneTree::SceneTree() {
 	collision_debug_contacts = GLOBAL_DEF("debug/shapes/collision/max_contacts_displayed", 10000);
 	ProjectSettings::get_singleton()->set_custom_property_info("debug/shapes/collision/max_contacts_displayed", PropertyInfo(Variant::INT, "debug/shapes/collision/max_contacts_displayed", PROPERTY_HINT_RANGE, "0,20000,1")); // No negative
 
+	GLOBAL_DEF("debug/shapes/collision/draw_2d_outlines", true);
+
 	// Create with mainloop.
 
 	root = memnew(Window);