Function viewport_spawn_3d

perro_editor/res/scripts/scene/editor_nodes.rs:1051–1066

(state: &EditorState)

            picker_node_types(state, &state.node_picker_filter)
                .get(state.node_picker_offset + row)
                .copied()
        })
    }).unwrap_or_default();
    if let Some(node_type) = node_type {
        add_node(ctx, node_type.name());
    }
}

pub fn exact_picker_node_type(filter: &str) -> Option<perro_scene::NodeType> {
    let filter = NodePickerFilter::parse(filter);
    if !filter.tags.is_empty() || filter.text.len() != 1 {
        return None;
    }
    let needle = filter.text.first()?;
    perro_scene::NodeType::ALL
        .iter()
        .copied()
        .find(|node_type| node_type.name().eq_ignore_ascii_case(needle))
}