lighttroupe/luz-next

#
# GuiUserObjectRenderer is base class to renderers of specific UserObjects
#
class GuiUserObjectRenderer < GuiObjectRenderer
    LABEL_COLOR_CRASHY = [1,0,0,0.35]
    LABEL_COLOR_EVENT_OFF = [1,1,0,0.35]
    LABEL_COLOR_DISABLED = [1,1,1,0.35]
    LABEL_COLOR = [1,1,1,1]
    USER_OBJECT_TITLE_HEIGHT = 1.0

    SHAKE_DISTANCE = 0.007

    #
    # Dragging
    #
    def draggable?
        true        # needed for list reordering
    end

    def drag_out(pointer)
        if pointer.drag_delta_y > 0
            parent.move_child_up(self)
        else
            parent.move_child_down(self)
        end
    end

    #
    # Rendering
    #
    def gui_render
        gui_render_background
        gui_render_label
    end

    def gui_render_label
        if pointer_dragging?
            with_translation(SHAKE_DISTANCE * rand, SHAKE_DISTANCE * rand) {
                gui_render_label_internal
            }
        else
            gui_render_label_internal
        end
    end

    def hit_test_render!
        with_unique_hit_test_color_for_object(self) { unit_square }
    end

    def gui_render_label_internal
        with_color(label_color) {
            @title_label ||= GuiLabel.new.set(:width => label_width, :scale_y => USER_OBJECT_TITLE_HEIGHT)
            @title_label.string = @object.title
            @title_label.gui_render
        }
    end

    def label_width
        12
    end

    def label_color
        if @object.crashy?
            LABEL_COLOR_CRASHY
        elsif !@object.usable?
            LABEL_COLOR_UNUSABLE
        else
            LABEL_COLOR
        end
    end
end