// -- smoke etc -- //

    switch (FEAT_TRAINS, SELF, shoebox_switch_visual_effect_and_powered_by_variant_unreversed, current_railtype) {

                ELRL: return visual_effect_and_powered(VISUAL_EFFECT_ELECTRIC, 0, DISABLE_WAGON_POWER);

        return visual_effect_and_powered(VISUAL_EFFECT_DIESEL, 0, DISABLE_WAGON_POWER);

    }

    switch (FEAT_TRAINS, SELF, shoebox_switch_visual_effect_and_powered_by_variant_reversed, current_railtype) {

                ELRL: return visual_effect_and_powered(VISUAL_EFFECT_ELECTRIC, 0, DISABLE_WAGON_POWER);

        return visual_effect_and_powered(VISUAL_EFFECT_DIESEL, 0, DISABLE_WAGON_POWER);

    }

    random_switch (FEAT_TRAINS, SELF, shoebox_switch_visual_effect_and_powered_variants) {

        dependent: shoebox_switch_graphics_vehicle;

            1: shoebox_switch_visual_effect_and_powered_by_variant_unreversed;

            1: shoebox_switch_visual_effect_and_powered_by_variant_reversed;

    }

    // -- power -- //

    switch (FEAT_TRAINS, SELF, shoebox_switch_power, current_railtype) {

                RAIL: return 950;

                ELRL: return 1800;

        return 950;

    }