spritelayout layout1 {
    building {
        sprite: 0xA68 + animation_frame;
    }
}

item(FEAT_AIRPORTTILES, tile1) {
    graphics {
        layout1;
    }
}

spriteset(set2) {
	[]
	b: []
	[]
}

spritelayout layout2 {
    building {
        sprite: set2(animation_frame);
    }
    building {
        sprite: set2(b);
	hide_sprite: nearby_tile_is_water(0, 0);
    }
}

item(FEAT_AIRPORTTILES, tile2) {
    graphics {
        layout2;
    }
}
