Function redo_scene_doc

perro_editor/res/scripts/editor/main.rs:173–185

(state: &mut EditorState)

}

pub fn undo_scene_doc(state: &mut EditorState) -> bool {
    let Some(prev) = state.scene_undo_stack.pop() else {
        state.log = "undo\nempty".to_string();
        return false;
    };
    if !state.doc_text.is_empty() {
        state.scene_redo_stack.push(state.doc_text.clone());
    }
    state.doc_text = prev;
    let _ = cached_scene_doc_shared(&state.doc_text);
    state.dirty = true;
    mark_active_scene_dirty(state);
    state.log = format!("undo\n{} left", state.scene_undo_stack.len());
    true
}