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Fixes crash when clearing guides in empty scene

This commit is contained in:
Haoyu Qiu 2019-12-05 15:20:50 +08:00
parent 129a22cd90
commit e8838f4385
1 changed files with 11 additions and 9 deletions
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20
editor/plugins/canvas_item_editor_plugin.cpp
View File

@ -4752,19 +4752,21 @@ void CanvasItemEditor::_popup_callback(int p_op) {
} break;
case CLEAR_GUIDES: {
if (EditorNode::get_singleton()->get_edited_scene()->has_meta("_edit_horizontal_guides_") || EditorNode::get_singleton()->get_edited_scene()->has_meta("_edit_vertical_guides_")) {
Node *const root = EditorNode::get_singleton()->get_edited_scene();
if (root && (root->has_meta("_edit_horizontal_guides_") || root->has_meta("_edit_vertical_guides_"))) {
undo_redo->create_action(TTR("Clear Guides"));
if (EditorNode::get_singleton()->get_edited_scene()->has_meta("_edit_horizontal_guides_")) {
Array hguides = EditorNode::get_singleton()->get_edited_scene()->get_meta("_edit_horizontal_guides_");
if (root->has_meta("_edit_horizontal_guides_")) {
Array hguides = root->get_meta("_edit_horizontal_guides_");
undo_redo->add_do_method(EditorNode::get_singleton()->get_edited_scene(), "set_meta", "_edit_horizontal_guides_", Array());
undo_redo->add_undo_method(EditorNode::get_singleton()->get_edited_scene(), "set_meta", "_edit_horizontal_guides_", hguides);
undo_redo->add_do_method(root, "set_meta", "_edit_horizontal_guides_", Array());
undo_redo->add_undo_method(root, "set_meta", "_edit_horizontal_guides_", hguides);
}
if (EditorNode::get_singleton()->get_edited_scene()->has_meta("_edit_vertical_guides_")) {
Array vguides = EditorNode::get_singleton()->get_edited_scene()->get_meta("_edit_vertical_guides_");
if (root->has_meta("_edit_vertical_guides_")) {
Array vguides = root->get_meta("_edit_vertical_guides_");
undo_redo->add_do_method(EditorNode::get_singleton()->get_edited_scene(), "set_meta", "_edit_vertical_guides_", Array());
undo_redo->add_undo_method(EditorNode::get_singleton()->get_edited_scene(), "set_meta", "_edit_vertical_guides_", vguides);
undo_redo->add_do_method(root, "set_meta", "_edit_vertical_guides_", Array());
undo_redo->add_undo_method(root, "set_meta", "_edit_vertical_guides_", vguides);
}
undo_redo->add_undo_method(viewport, "update");
undo_redo->commit_action();