Class AttributeBase

include/geode/basic/attribute.hpp:51–164

! * Base class defining the virtual API used by the AttributeManager. */

     * Base class defining the virtual API used by the AttributeManager.
     */
    class AttributeBase
    {
        OPENGEODE_DISABLE_COPY( AttributeBase );
        friend class bitsery::Access;

    public:
        PASSKEY( AttributeManager, AttributeKey /*key*/ );

        virtual ~AttributeBase() = default;

        [[nodiscard]] virtual float generic_value( index_t element ) const = 0;

        [[nodiscard]] virtual float generic_item_value(
            index_t element, local_index_t item ) const = 0;

        [[nodiscard]] virtual bool is_genericable() const = 0;

        [[nodiscard]] virtual local_index_t nb_items() const = 0;

        [[nodiscard]] virtual std::string_view type() = 0;

        [[nodiscard]] std::string_view name() const
        {
            return name_;
        }

        [[nodiscard]] const AttributeProperties& properties() const
        {
            return properties_;
        }

        void set_properties( AttributeProperties new_properties )
        {
            properties_ = std::move( new_properties );
        }

    public:
        void set_name( std::string_view name, AttributeKey /*key*/ )
        {
            name_ = to_string( name );
        }

        [[nodiscard]] virtual std::shared_ptr< AttributeBase > clone(
            AttributeKey /*key*/ ) const = 0;

        virtual void copy( const AttributeBase& attribute,
            index_t nb_elements,
            AttributeKey /*key*/ ) = 0;

        [[nodiscard]] virtual std::shared_ptr< AttributeBase > extract(
            absl::Span< const index_t > old2new,
            index_t nb_elements,
            AttributeKey /*key*/ ) const = 0;

        [[nodiscard]] virtual std::shared_ptr< AttributeBase > extract(
            const GenericMapping< index_t >& old2new_mapping,
            index_t nb_elements,
            AttributeKey /*key*/ ) const = 0;