1 files changed, 29 insertions, 7 deletions
diff --git a/editor/editor_node.cpp b/editor/editor_node.cpp
index fbf6c86c35..0252358a27 100644
--- a/editor/editor_node.cpp
+++ b/editor/editor_node.cpp
@@ -269,6 +269,7 @@ void EditorNode::_notification(int p_what) {
 
 		Engine::get_singleton()->set_editor_hint(true);
 
+		get_tree()->get_root()->set_usage(Viewport::USAGE_2D_NO_SAMPLING); //reduce memory usage
 		get_tree()->get_root()->set_disable_3d(true);
 		get_tree()->get_root()->set_as_audio_listener(false);
 		get_tree()->get_root()->set_as_audio_listener_2d(false);
@@ -337,7 +338,13 @@ void EditorNode::_notification(int p_what) {
 
 		//_update_icons
 		for (int i = 0; i < singleton->main_editor_buttons.size(); i++) {
-			main_editor_buttons[i]->set_icon(gui_base->get_icon(singleton->main_editor_buttons[i]->get_name(), "EditorIcons"));
+			Ref<Texture> icon = singleton->main_editor_buttons[i]->get_icon();
+
+			if (icon.is_valid()) {
+				main_editor_buttons[i]->set_icon(icon);
+			} else if (singleton->gui_base->has_icon(singleton->main_editor_buttons[i]->get_name(), "EditorIcons")) {
+				main_editor_buttons[i]->set_icon(gui_base->get_icon(singleton->main_editor_buttons[i]->get_name(), "EditorIcons"));
+			}
 		}
 		play_button->set_icon(gui_base->get_icon("MainPlay", "EditorIcons"));
 		play_scene_button->set_icon(gui_base->get_icon("PlayScene", "EditorIcons"));
@@ -1394,11 +1401,13 @@ void EditorNode::_property_editor_back() {
 }
 
 void EditorNode::_menu_collapseall() {
-	property_editor->collapse_all_parent_nodes();
+
+	property_editor->collapse_all_folding();
 }
 
 void EditorNode::_menu_expandall() {
-	property_editor->expand_all_parent_nodes();
+
+	property_editor->expand_all_folding();
 }
 
 void EditorNode::_save_default_environment() {
@@ -1495,7 +1504,7 @@ void EditorNode::_edit_current() {
 			if (FileAccess::exists(base_path + ".import")) {
 				editable_warning = TTR("This resource belongs to a scene that was imported, so it's not editable.\nPlease read the documentation relevant to importing scenes to better understand this workflow.");
 			} else {
-				if (!get_edited_scene() || get_edited_scene()->get_filename() != base_path) {
+				if ((!get_edited_scene() || get_edited_scene()->get_filename() != base_path) && ResourceLoader::get_resource_type(base_path) == "PackedScene") {
 					editable_warning = TTR("This resource belongs to a scene that was instanced or inherited.\nChanges to it will not be kept when saving the current scene.");
 				}
 			}
@@ -1674,7 +1683,6 @@ void EditorNode::_resource_selected(const RES &p_res, const String &p_property)
 void EditorNode::_run(bool p_current, const String &p_custom) {
 
 	if (editor_run.get_status() == EditorRun::STATUS_PLAY) {
-
 		play_button->set_pressed(!_playing_edited);
 		play_scene_button->set_pressed(_playing_edited);
 		return;
@@ -1806,6 +1814,7 @@ void EditorNode::_run(bool p_current, const String &p_custom) {
 		play_button->set_pressed(true);
 		play_button->set_icon(gui_base->get_icon("Reload", "EditorIcons"));
 	}
+	stop_button->set_disabled(false);
 
 	_playing_edited = p_current;
 }
@@ -2277,6 +2286,8 @@ void EditorNode::_menu_option_confirm(int p_option, bool p_confirmed) {
 			play_scene_button->set_icon(gui_base->get_icon("PlayScene", "EditorIcons"));
 			play_custom_scene_button->set_pressed(false);
 			play_custom_scene_button->set_icon(gui_base->get_icon("PlayCustom", "EditorIcons"));
+			stop_button->set_disabled(true);
+
 			if (bool(EDITOR_DEF("run/output/always_close_output_on_stop", true))) {
 				for (int i = 0; i < bottom_panel_items.size(); i++) {
 					if (bottom_panel_items[i].control == log) {
@@ -2668,7 +2679,14 @@ void EditorNode::add_editor_plugin(EditorPlugin *p_editor) {
 		tb->set_toggle_mode(true);
 		tb->connect("pressed", singleton, "_editor_select", varray(singleton->main_editor_buttons.size()));
 		tb->set_text(p_editor->get_name());
-		tb->set_icon(singleton->gui_base->get_icon(p_editor->get_name(), "EditorIcons"));
+		Ref<Texture> icon = p_editor->get_icon();
+
+		if (icon.is_valid()) {
+			tb->set_icon(icon);
+		} else if (singleton->gui_base->has_icon(p_editor->get_name(), "EditorIcons")) {
+			tb->set_icon(singleton->gui_base->get_icon(p_editor->get_name(), "EditorIcons"));
+		}
+
 		tb->set_name(p_editor->get_name());
 		singleton->main_editor_buttons.push_back(tb);
 		singleton->main_editor_button_vb->add_child(tb);
@@ -3346,6 +3364,8 @@ void EditorNode::register_editor_types() {
 	ClassDB::register_virtual_class<EditorInterface>();
 	ClassDB::register_class<EditorExportPlugin>();
 	ClassDB::register_class<EditorResourceConversionPlugin>();
+	ClassDB::register_class<EditorSceneImporter>();
+
 
 	// FIXME: Is this stuff obsolete, or should it be ported to new APIs?
 	ClassDB::register_class<EditorScenePostImport>();
@@ -5017,6 +5037,7 @@ EditorNode::EditorNode() {
 	scene_root_parent->set_v_size_flags(Control::SIZE_EXPAND_FILL);
 
 	scene_root = memnew(Viewport);
+	scene_root->set_usage(Viewport::USAGE_2D);
 	scene_root->set_disable_3d(true);
 
 	VisualServer::get_singleton()->viewport_set_hide_scenario(scene_root->get_viewport_rid(), true);
@@ -5264,6 +5285,7 @@ EditorNode::EditorNode() {
 	stop_button->set_icon(gui_base->get_icon("Stop", "EditorIcons"));
 	stop_button->connect("pressed", this, "_menu_option", make_binds(RUN_STOP));
 	stop_button->set_tooltip(TTR("Stop the scene."));
+	stop_button->set_disabled(true);
 	stop_button->set_shortcut(ED_SHORTCUT("editor/stop", TTR("Stop"), KEY_F8));
 
 	run_native = memnew(EditorRunNative);
@@ -5441,7 +5463,7 @@ EditorNode::EditorNode() {
 	property_editor->set_use_doc_hints(true);
 	property_editor->set_hide_script(false);
 	property_editor->set_enable_capitalize_paths(bool(EDITOR_DEF("interface/editor/capitalize_properties", true)));
-	property_editor->set_use_folding(bool(EDITOR_DEF("interface/editor/expand_all_properties", false)) == false);
+	property_editor->set_use_folding(!bool(EDITOR_DEF("interface/editor/disable_inspector_folding", false)));
 
 	property_editor->hide_top_label();
 	property_editor->register_text_enter(search_box);