rules:
  - match:
      type: actor
      hygiene: clean
    chance: 0.1
    set:
      hygiene: dirty

  - match:
      type: actor
      hygiene: dirty
    chance: 0.1
    set:
      hygiene: filthy

  # initialize hygiene
  - rule: |
      "hygiene" not in attributes
    set:
      hygiene: clean

labels:
  hygiene:
    clean:
      backstory: You are clean and smell fresh.
      description: They look freshly washed and smell clean.
    dirty:
      backstory: You are dirty and smell bad.
      description: They look dirty and smell bad.
    filthy:
      backstory: You are filthy and smell terrible.
      description: They look filthy and smell terrible.