// -- 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;
    }