Add grouping to 3D editor

editor/plugins/spatial_editor_plugin.cpp

@@ -269,11 +269,21 @@ void SpatialEditorViewport::_select_clicked(bool p_append, bool p_single) {
 	if (!clicked)
 		return;
 
-	Spatial *sp = Object::cast_to<Spatial>(ObjectDB::get_instance(clicked));
-	if (!sp)
+	Node *node = Object::cast_to<Node>(ObjectDB::get_instance(clicked));
+	Spatial *selected = Object::cast_to<Spatial>(node);
+	if (!selected)
 		return;
 
-	_select(sp, clicked_wants_append, true);
+	// Replace the node by the group if grouped
+	while (node && node != editor->get_edited_scene()->get_parent()) {
+		Spatial *selected_tmp = Object::cast_to<Spatial>(node);
+		if (selected_tmp && node->has_meta("_edit_group_")) {
+			selected = selected_tmp;
+		}
+		node = node->get_parent();
+	}
+
+	_select(selected, clicked_wants_append, true);
 }
 
 void SpatialEditorViewport::_select(Node *p_node, bool p_append, bool p_single) {
@@ -511,6 +521,19 @@ void SpatialEditorViewport::_select_region() {
 			item = item->get_owner();
 		}
 
+		// Replace the node by the group if grouped
+		if (item->is_class("Spatial")) {
+			Spatial *sel = Object::cast_to<Spatial>(item);
+			while (item && item != editor->get_edited_scene()->get_parent()) {
+				Spatial *selected_tmp = Object::cast_to<Spatial>(item);
+				if (selected_tmp && item->has_meta("_edit_group_")) {
+					sel = selected_tmp;
+				}
+				item = item->get_parent();
+			}
+			item = sel;
+		}
+
 		if (selected.find(item) != -1) continue;
 
 		Ref<EditorSpatialGizmo> seg = sp->get_gizmo();
@@ -4527,6 +4550,44 @@ void SpatialEditor::_menu_item_pressed(int p_option) {
 				emit_signal("item_lock_status_changed");
 			}
 
+			_refresh_menu_icons();
+		} break;
+		case MENU_GROUP_SELECTED: {
+
+			List<Node *> &selection = editor_selection->get_selected_node_list();
+
+			for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
+
+				Spatial *spatial = Object::cast_to<Spatial>(E->get());
+				if (!spatial || !spatial->is_visible_in_tree())
+					continue;
+
+				if (spatial->get_viewport() != EditorNode::get_singleton()->get_scene_root())
+					continue;
+
+				spatial->set_meta("_edit_group_", true);
+				emit_signal("item_group_status_changed");
+			}
+
+			_refresh_menu_icons();
+		} break;
+		case MENU_UNGROUP_SELECTED: {
+
+			List<Node *> &selection = editor_selection->get_selected_node_list();
+
+			for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
+
+				Spatial *spatial = Object::cast_to<Spatial>(E->get());
+				if (!spatial || !spatial->is_visible_in_tree())
+					continue;
+
+				if (spatial->get_viewport() != EditorNode::get_singleton()->get_scene_root())
+					continue;
+
+				spatial->set_meta("_edit_group_", Variant());
+				emit_signal("item_group_status_changed");
+			}
+
 			_refresh_menu_icons();
 		} break;
 	}
@@ -4971,11 +5032,13 @@ bool SpatialEditor::is_any_freelook_active() const {
 void SpatialEditor::_refresh_menu_icons() {
 
 	bool all_locked = true;
+	bool all_grouped = true;
 
 	List<Node *> &selection = editor_selection->get_selected_node_list();
 
 	if (selection.empty()) {
 		all_locked = false;
+		all_grouped = false;
 	} else {
 		for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
 			if (Object::cast_to<Spatial>(E->get()) && !Object::cast_to<Spatial>(E->get())->has_meta("_edit_lock_")) {
@@ -4983,11 +5046,21 @@ void SpatialEditor::_refresh_menu_icons() {
 				break;
 			}
 		}
+		for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
+			if (Object::cast_to<Spatial>(E->get()) && !Object::cast_to<Spatial>(E->get())->has_meta("_edit_group_")) {
+				all_grouped = false;
+				break;
+			}
+		}
 	}
 
 	tool_button[TOOL_LOCK_SELECTED]->set_visible(!all_locked);
 	tool_button[TOOL_LOCK_SELECTED]->set_disabled(selection.empty());
 	tool_button[TOOL_UNLOCK_SELECTED]->set_visible(all_locked);
+
+	tool_button[TOOL_GROUP_SELECTED]->set_visible(!all_grouped);
+	tool_button[TOOL_GROUP_SELECTED]->set_disabled(selection.empty());
+	tool_button[TOOL_UNGROUP_SELECTED]->set_visible(all_grouped);
 }
 
 template <typename T>
@@ -5157,6 +5230,8 @@ void SpatialEditor::_notification(int p_what) {
 		tool_button[SpatialEditor::TOOL_MODE_LIST_SELECT]->set_icon(get_icon("ListSelect", "EditorIcons"));
 		tool_button[SpatialEditor::TOOL_LOCK_SELECTED]->set_icon(get_icon("Lock", "EditorIcons"));
 		tool_button[SpatialEditor::TOOL_UNLOCK_SELECTED]->set_icon(get_icon("Unlock", "EditorIcons"));
+		tool_button[SpatialEditor::TOOL_GROUP_SELECTED]->set_icon(get_icon("Group", "EditorIcons"));
+		tool_button[SpatialEditor::TOOL_UNGROUP_SELECTED]->set_icon(get_icon("Ungroup", "EditorIcons"));
 
 		tool_option_button[SpatialEditor::TOOL_OPT_LOCAL_COORDS]->set_icon(get_icon("Object", "EditorIcons"));
 		tool_option_button[SpatialEditor::TOOL_OPT_USE_SNAP]->set_icon(get_icon("Snap", "EditorIcons"));
@@ -5351,6 +5426,7 @@ void SpatialEditor::_bind_methods() {
 
 	ADD_SIGNAL(MethodInfo("transform_key_request"));
 	ADD_SIGNAL(MethodInfo("item_lock_status_changed"));
+	ADD_SIGNAL(MethodInfo("item_group_status_changed"));
 }
 
 void SpatialEditor::clear() {
@@ -5464,6 +5540,18 @@ SpatialEditor::SpatialEditor(EditorNode *p_editor) {
 	tool_button[TOOL_UNLOCK_SELECTED]->connect("pressed", this, "_menu_item_pressed", button_binds);
 	tool_button[TOOL_UNLOCK_SELECTED]->set_tooltip(TTR("Unlock the selected object (can be moved)."));
 
+	tool_button[TOOL_GROUP_SELECTED] = memnew(ToolButton);
+	hbc_menu->add_child(tool_button[TOOL_GROUP_SELECTED]);
+	button_binds.write[0] = MENU_GROUP_SELECTED;
+	tool_button[TOOL_GROUP_SELECTED]->connect("pressed", this, "_menu_item_pressed", button_binds);
+	tool_button[TOOL_GROUP_SELECTED]->set_tooltip(TTR("Makes sure the object's children are not selectable."));
+
+	tool_button[TOOL_UNGROUP_SELECTED] = memnew(ToolButton);
+	hbc_menu->add_child(tool_button[TOOL_UNGROUP_SELECTED]);
+	button_binds.write[0] = MENU_UNGROUP_SELECTED;
+	tool_button[TOOL_UNGROUP_SELECTED]->connect("pressed", this, "_menu_item_pressed", button_binds);
+	tool_button[TOOL_UNGROUP_SELECTED]->set_tooltip(TTR("Restores the object's children's ability to be selected."));
+
 	hbc_menu->add_child(memnew(VSeparator));
 
 	tool_option_button[TOOL_OPT_LOCAL_COORDS] = memnew(ToolButton);

editor/plugins/spatial_editor_plugin.h

@@ -485,6 +485,8 @@ public:
 		TOOL_MODE_LIST_SELECT,
 		TOOL_LOCK_SELECTED,
 		TOOL_UNLOCK_SELECTED,
+		TOOL_GROUP_SELECTED,
+		TOOL_UNGROUP_SELECTED,
 		TOOL_MAX
 	};
 
@@ -570,6 +572,8 @@ private:
 		MENU_VIEW_CAMERA_SETTINGS,
 		MENU_LOCK_SELECTED,
 		MENU_UNLOCK_SELECTED,
+		MENU_GROUP_SELECTED,
+		MENU_UNGROUP_SELECTED,
 		MENU_SNAP_TO_FLOOR
 	};
 

editor/scene_tree_dock.cpp

@@ -986,6 +986,7 @@ void SceneTreeDock::_notification(int p_what) {
 
 			SpatialEditorPlugin *spatial_editor_plugin = Object::cast_to<SpatialEditorPlugin>(editor_data->get_editor("3D"));
 			spatial_editor_plugin->get_spatial_editor()->connect("item_lock_status_changed", scene_tree, "_update_tree");
+			spatial_editor_plugin->get_spatial_editor()->connect("item_group_status_changed", scene_tree, "_update_tree");
 
 			button_add->set_icon(get_icon("Add", "EditorIcons"));
 			button_instance->set_icon(get_icon("Instance", "EditorIcons"));

editor/scene_tree_editor.cpp

@@ -102,7 +102,7 @@ void SceneTreeEditor::_cell_button_pressed(Object *p_item, int p_column, int p_i
 		}
 
 	} else if (p_id == BUTTON_GROUP) {
-		if (n->is_class("CanvasItem")) {
+		if (n->is_class("CanvasItem") || n->is_class("Spatial")) {
 			n->set_meta("_edit_group_", Variant());
 			_update_tree();
 			emit_signal("node_changed");
@@ -303,6 +303,10 @@ bool SceneTreeEditor::_add_nodes(Node *p_node, TreeItem *p_parent) {
 			if (is_locked)
 				item->add_button(0, get_icon("Lock", "EditorIcons"), BUTTON_LOCK, false, TTR("Node is locked.\nClick to unlock it."));
 
+			bool is_grouped = p_node->has_meta("_edit_group_");
+			if (is_grouped)
+				item->add_button(0, get_icon("Group", "EditorIcons"), BUTTON_GROUP, false, TTR("Children are not selectable.\nClick to make selectable."));
+
 			bool v = p_node->call("is_visible");
 			if (v)
 				item->add_button(0, get_icon("GuiVisibilityVisible", "EditorIcons"), BUTTON_VISIBILITY, false, TTR("Toggle Visibility"));