[
  {
    "id": "fd_foamcrete",
    "type": "field_type",
    "intensity_levels": [
      { "name": "foamcrete", "move_cost": 1, "sym": "#", "color": "light_blue" },
      { "name": "foamcrete lump", "move_cost": 2, "color": "light_blue_white" },
      { "name": "foamcrete half-wall", "move_cost": 3, "color": "light_blue_white" }
    ],
    "description_affix": "covered_in",
    "priority": 2,
    "phase": "solid",
    "bash": {
      "str_min": 15,
      "str_max": 40,
      "sound_vol": 3,
      "sound_fail_vol": 2,
      "sound": "crash!",
      "sound_fail": "smash!",
      "msg_success": "You destroy the foamcrete."
    },
    "display_items": false,
    "display_field": true
  },
  {
    "//": "It gets close to absolute zero here",
    "id": "afs_heat_drain_field",
    "type": "field_type",
    "intensity_levels": [
      { "name": "cold air", "sym": "&", "convection_temperature_mod": -350 },
      { "name": "frozen air", "color": "blue", "convection_temperature_mod": -300 },
      { "name": "frozen air", "color": "cyan", "convection_temperature_mod": -400 }
    ],
    "description_affix": "covered_in",
    "underwater_age_speedup": "10 seconds",
    "decay_amount_factor": 2,
    "half_life": "15 seconds",
    "phase": "gas",
    "accelerated_decay": true,
    "display_field": false
  },
  {
    "id": "fd_elect_anomaly",
    "type": "field_type",
    "intensity_levels": [
      { "name": "electrical anomaly", "sym": "&" },
      { "//": "repeat last entry" },
      { "//": "repeat last entry" },
      { "//": "repeat last entry" },
      { "//": "repeat last entry" },
      { "//": "repeat last entry" },
      { "//": "repeat last entry" },
      { "//": "repeat last entry" },
      { "//": "repeat last entry" },
      { "//": "repeat last entry" }
    ],
    "description_affix": "illuminated_by",
    "half_life": "20 turns",
    "has_elec": true,
    "priority": -1,
    "phase": "plasma",
    "display_items": false,
    "display_field": true,
    "looks_like": "fd_electricity",
    "wandering_field": "fd_electricity"
  }
]
