crawlCommand:
    type: command
    debug: false
    name: crawl
    description: crawl on the ground
    usage: /crawl
    permission: crawl.command
    script:
    - if <player.has_flag[Crawling]>:
        - flag <player> Crawling:!
        - stop
    - flag <player> Crawling:true
    - adjust <player> swimming:true
    - adjust <player> visual_pose:swimming
    - while <player.has_flag[Crawling]> && !<player.eye_location.material.name.contains_any[water]||false> && <player.is_online>:
        - fakespawn <entity[shulker].with[visible=false;invulnerable=true;silent=true]> <player.eye_location.above[-0.5]> duration:1t players:<player>
        - wait 1t