[
  {
    "id": "fd_blood",
    "type": "field_type",
    "legacy_enum_id": 1,
    "intensity_levels": [ { "name": "blood splatter", "color": "red" }, { "name": "blood stain" }, { "name": "puddle of blood" } ],
    "description_affix": "covered_in",
    "underwater_age_speedup": "25 minutes",
    "decay_amount_factor": 2,
    "is_splattering": true,
    "half_life": "2 days",
    "phase": "liquid",
    "accelerated_decay": true,
    "display_field": true
  },
  {
    "id": "fd_bile",
    "type": "field_type",
    "legacy_enum_id": 2,
    "intensity_levels": [
      {
        "name": "bile splatter",
        "sym": "}",
        "color": "pink",
        "effects": [
          {
            "effect_id": "slippery_terrain",
            "intensity": 1,
            "min_duration": "1 second",
            "immune_in_vehicle": true,
            "is_environmental": false
          }
        ]
      },
      {
        "name": "bile stain",
        "effects": [
          {
            "effect_id": "slippery_terrain",
            "intensity": 2,
            "min_duration": "1 second",
            "immune_in_vehicle": true,
            "is_environmental": false
          }
        ]
      },
      {
        "name": "puddle of bile",
        "effects": [
          {
            "effect_id": "slippery_terrain",
            "intensity": 3,
            "min_duration": "1 second",
            "immune_in_vehicle": true,
            "is_environmental": false
          }
        ]
      }
    ],
    "description_affix": "covered_in",
    "underwater_age_speedup": "25 minutes",
    "decay_amount_factor": 2,
    "is_splattering": true,
    "half_life": "30 minutes",
    "phase": "liquid",
    "accelerated_decay": true,
    "display_field": true,
    "looks_like": "fd_acid"
  },
  {
    "id": "fd_darkness",
    "type": "field_type",
    "intensity_levels": [ { "name": "darkness", "light_override": 0.0 } ],
    "half_life": "10 seconds",
    "percent_spread": 50
  },
  {
    "id": "fd_gibs_flesh",
    "type": "field_type",
    "legacy_enum_id": 3,
    "intensity_levels": [
      { "name": "scraps of flesh", "sym": "~", "color": "brown" },
      { "name": "bloody meat chunks", "color": "light_red" },
      { "name": "heap of gore", "color": "red" }
    ],
    "description_affix": "covered_in",
    "underwater_age_speedup": "25 minutes",
    "decay_amount_factor": 2,
    "is_splattering": true,
    "half_life": "2 days",
    "phase": "liquid",
    "accelerated_decay": true,
    "display_field": true,
    "looks_like": "fd_blood"
  },
  {
    "id": "fd_gibs_veggy",
    "type": "field_type",
    "legacy_enum_id": 4,
    "intensity_levels": [
      { "name": "shredded leaves and twigs", "sym": "~", "color": "light_green" },
      { "name": "shattered branches and leaves" },
      { "name": "broken vegetation tangle", "color": "green" }
    ],
    "description_affix": "covered_in",
    "underwater_age_speedup": "25 minutes",
    "decay_amount_factor": 2,
    "is_splattering": true,
    "half_life": "2 days",
    "phase": "liquid",
    "accelerated_decay": true,
    "display_field": true,
    "looks_like": "fd_blood_veggy"
  },
  {
    "id": "fd_web",
    "type": "field_type",
    "legacy_enum_id": 5,
    "intensity_levels": [
      {
        "name": "cobwebs",
        "sym": "}",
        "effects": [
          { "effect_id": "webbed", "intensity": 1, "min_duration": "1 m", "immune_in_vehicle": true, "is_environmental": false }
        ]
      },
      {
        "name": "webs",
        "effects": [
          { "effect_id": "webbed", "intensity": 2, "min_duration": "1 m", "immune_in_vehicle": true, "is_environmental": false }
        ]
      },
      {
        "name": "thick webs",
        "transparent": false,
        "effects": [
          { "effect_id": "webbed", "intensity": 3, "min_duration": "1 m", "immune_in_vehicle": true, "is_environmental": false }
        ]
      }
    ],
    "description_affix": "covered_in",
    "immunity_data": { "flags": [ "WEBWALK" ] },
    "immune_mtypes": [ "mon_spider_web", "mon_spider_web_s", "mon_mutant_arthropod" ],
    "decrease_intensity_on_contact": true,
    "priority": 2,
    "phase": "solid",
    "display_items": false,
    "bash": {
      "str_min": 1,
      "str_max": 3,
      "sound_vol": 2,
      "sound_fail_vol": 2,
      "sound": "hsh!",
      "msg_success": "You brush aside some webs."
    },
    "display_field": true
  },
  {
    "id": "fd_web_nostick",
    "type": "field_type",
    "looks_like": "fd_web",
    "intensity_levels": [ { "name": "thin cobwebs", "sym": "}", "color": "white" }, { "name": "thin webs", "transparent": false } ],
    "description_affix": "covered_in",
    "decrease_intensity_on_contact": true,
    "priority": 2,
    "phase": "solid",
    "display_items": true,
    "bash": {
      "str_min": 1,
      "str_max": 3,
      "sound_vol": 2,
      "sound_fail_vol": 2,
      "sound": "hsh!",
      "msg_success": "You brush aside some webs."
    },
    "display_field": true
  },
  {
    "id": "fd_void_web",
    "type": "field_type",
    "looks_like": "fd_web",
    "intensity_levels": [
      {
        "name": "starlit webs",
        "transparent": false,
        "effects": [
          { "effect_id": "webbed", "intensity": 1, "min_duration": "1 m", "immune_in_vehicle": true, "is_environmental": false }
        ]
      },
      {
        "name": "starlit webs",
        "transparent": false,
        "effects": [
          { "effect_id": "webbed", "intensity": 2, "min_duration": "1 m", "immune_in_vehicle": true, "is_environmental": false }
        ]
      },
      {
        "name": "starlit webs",
        "transparent": false,
        "effects": [
          { "effect_id": "webbed", "intensity": 3, "min_duration": "1 m", "immune_in_vehicle": true, "is_environmental": false }
        ]
      }
    ],
    "description_affix": "covered_in",
    "immune_mtypes": [ "mon_void_spider", "mon_void_spider_spiderling" ],
    "decrease_intensity_on_contact": true,
    "priority": 2,
    "phase": "solid",
    "display_items": false,
    "display_field": true
  },
  {
    "id": "fd_slime",
    "type": "field_type",
    "legacy_enum_id": 6,
    "intensity_levels": [
      {
        "name": "slime trail",
        "color": "light_green",
        "effects": [
          {
            "effect_id": "slippery_terrain",
            "intensity": 1,
            "min_duration": "1 second",
            "immune_in_vehicle": true,
            "is_environmental": false
          }
        ]
      },
      {
        "name": "slime stain",
        "effects": [
          {
            "effect_id": "slippery_terrain",
            "intensity": 2,
            "min_duration": "1 second",
            "immune_in_vehicle": true,
            "is_environmental": false
          }
        ]
      },
      {
        "name": "puddle of slime",
        "color": "green",
        "effects": [
          {
            "effect_id": "slippery_terrain",
            "intensity": 3,
            "min_duration": "1 second",
            "immune_in_vehicle": true,
            "is_environmental": false
          }
        ]
      }
    ],
    "description_affix": "covered_in",
    "decay_amount_factor": 2,
    "apply_slime_factor": 10,
    "is_splattering": true,
    "half_life": "25 minutes",
    "phase": "liquid",
    "accelerated_decay": true,
    "display_field": true,
    "looks_like": "fd_blood_veggy"
  },
  {
    "id": "fd_acid",
    "type": "field_type",
    "legacy_enum_id": 7,
    "intensity_levels": [
      { "name": "acid splatter", "sym": "5", "color": "light_green", "dangerous": true },
      { "name": "acid streak" },
      { "name": "pool of acid", "color": "green" }
    ],
    "description_affix": "covered_in",
    "immunity_data": { "flags": [ "ACID_IMMUNE" ] },
    "underwater_age_speedup": "2 minutes",
    "has_acid": true,
    "priority": 2,
    "half_life": "2 minutes",
    "phase": "liquid",
    "display_field": true,
    "looks_like": "fd_bile"
  },
  {
    "id": "fd_sap",
    "type": "field_type",
    "legacy_enum_id": 8,
    "intensity_levels": [
      {
        "name": "sap splatter",
        "sym": "5",
        "color": "yellow",
        "dangerous": true,
        "effects": [
          {
            "effect_id": "sap",
            "intensity": 1,
            "min_duration": "2 seconds",
            "max_duration": "2 seconds",
            "immune_in_vehicle": true,
            "is_environmental": false,
            "message": "The sap sticks to you!",
            "message_npc": "The sap sticks to <npcname>!",
            "message_type": "bad"
          }
        ]
      },
      {
        "name": "glob of sap",
        "effects": [
          {
            "effect_id": "sap",
            "intensity": 1,
            "min_duration": "4 seconds",
            "max_duration": "4 seconds",
            "immune_in_vehicle": true,
            "is_environmental": false,
            "message": "The sap sticks to you!",
            "message_npc": "The sap sticks to <npcname>!",
            "message_type": "bad"
          }
        ]
      },
      {
        "name": "pool of sap",
        "color": "brown",
        "effects": [
          {
            "effect_id": "sap",
            "intensity": 1,
            "min_duration": "6 seconds",
            "max_duration": "6 seconds",
            "immune_in_vehicle": true,
            "is_environmental": false,
            "message": "The sap sticks to you!",
            "message_npc": "The sap sticks to <npcname>!",
            "message_type": "bad"
          }
        ]
      }
    ],
    "description_affix": "covered_in",
    "is_splattering": true,
    "priority": 2,
    "half_life": "2 minutes",
    "phase": "liquid",
    "display_field": true,
    "looks_like": "fd_blood_veggy"
  },
  {
    "id": "fd_sludge",
    "type": "field_type",
    "legacy_enum_id": 9,
    "mopsafe": true,
    "intensity_levels": [
      {
        "name": "thin sludge trail",
        "sym": "5",
        "color": "light_gray",
        "dangerous": true,
        "effects": [ { "effect_id": "sludged", "intensity": 1, "immune_in_vehicle": true, "is_environmental": false } ]
      },
      {
        "name": "sludge trail",
        "color": "dark_gray",
        "effects": [ { "effect_id": "sludged", "intensity": 2, "immune_in_vehicle": true, "is_environmental": false } ]
      },
      {
        "name": "thick sludge trail",
        "effects": [ { "effect_id": "sludged", "intensity": 3, "immune_in_vehicle": true, "is_environmental": false } ]
      }
    ],
    "description_affix": "covered_in",
    "is_splattering": true,
    "priority": 2,
    "half_life": "30 minutes",
    "phase": "liquid",
    "display_field": true,
    "immunity_data": { "flags": [ "SLUDGE_IMMUNE" ] },
    "looks_like": "fd_sap"
  },
  {
    "id": "fd_fire",
    "type": "field_type",
    "legacy_enum_id": 10,
    "intensity_levels": [
      {
        "name": "small fire",
        "sym": "4",
        "color": "yellow",
        "dangerous": true,
        "light_emitted": 20,
        "translucency": 0.7,
        "convection_temperature_mod": 300
      },
      { "name": { "ctxt": "noun", "str": "fire" }, "color": "light_red", "light_emitted": 60, "translucency": 0.4 },
      { "name": "raging fire", "color": "red", "light_emitted": 160, "translucency": 0.1 }
    ],
    "description_affix": "on",
    "decay_amount_factor": 3,
    "has_fire": true,
    "priority": 4,
    "half_life": "30 minutes",
    "phase": "plasma",
    "display_items": false,
    "display_field": true
  },
  {
    "id": "fd_extinguisher",
    "type": "field_type",
    "intensity_levels": [
      {
        "name": "extinguisher mist",
        "sym": "%",
        "color": "white",
        "dangerous": true,
        "translucency": 0.1,
        "concentration": 1,
        "convection_temperature_mod": -10,
        "effects": [
          {
            "effect_id": "poison",
            "body_part": "mouth",
            "intensity": 2,
            "min_duration": "2 minutes",
            "max_duration": "2 minutes",
            "immune_inside_vehicle": true,
            "message": "You feel sick from inhaling the extinguisher mist.",
            "message_type": "bad"
          }
        ]
      },
      {
        "name": "extinguisher cloud",
        "color": "white",
        "convection_temperature_mod": -20,
        "translucency": 0.4,
        "concentration": 2,
        "effects": [
          {
            "effect_id": "poison",
            "body_part": "mouth",
            "intensity": 2,
            "min_duration": "2 minutes",
            "max_duration": "2 minutes",
            "immune_inside_vehicle": true,
            "message": "You feel sick from inhaling the extinguisher cloud.",
            "message_type": "bad"
          }
        ]
      },
      {
        "name": "thick extinguisher cloud",
        "color": "white",
        "convection_temperature_mod": -30,
        "translucency": 0.7,
        "concentration": 4,
        "effects": [
          {
            "effect_id": "poison",
            "body_part": "mouth",
            "intensity": 5,
            "min_duration": "3 minutes",
            "max_duration": "3 minutes",
            "//": "won't be applied outside of vehicles, so it could apply harsher effect",
            "immune_outside_vehicle": true,
            "message": "You feel sick from inhaling the thick extinguisher cloud.",
            "message_type": "bad"
          },
          {
            "effect_id": "badpoison",
            "body_part": "mouth",
            "intensity": 5,
            "min_duration": "3 minutes",
            "max_duration": "3 minutes",
            "//": "won't be applied inside of vehicles, so it could apply lesser effect",
            "immune_inside_vehicle": true,
            "message": "You feel sick from inhaling the thick extinguisher cloud.",
            "message_type": "bad"
          }
        ]
      }
    ],
    "description_affix": "on",
    "decay_amount_factor": 3,
    "priority": 4,
    "half_life": "10 seconds",
    "phase": "gas",
    "display_items": false,
    "display_field": true,
    "looks_like": "fd_fog",
    "gas_absorption_factor": "20h",
    "has_fume": true,
    "percent_spread": 90,
    "dirty_transparency_cache": true,
    "immunity_data": { "body_part_env_resistance": [ [ "mouth", 15 ] ] }
  },
  {
    "id": "fd_rubble",
    "type": "field_type",
    "legacy_enum_id": 11,
    "intensity_levels": [ { "name": "legacy rubble", "sym": "#", "color": "dark_gray" } ],
    "description_affix": "covered_in",
    "half_life": "1 turns",
    "phase": "solid",
    "display_items": false,
    "display_field": true,
    "looks_like": "f_rubble",
    "legacy_make_rubble": true
  },
  {
    "id": "fd_biolum",
    "type": "field_type",
    "intensity_levels": [
      { "name": "glimmer", "sym": "6", "color": "cyan", "light_emitted": 4 },
      { "name": "glow", "color": "cyan", "light_emitted": 9 },
      { "name": "shine", "color": "blue", "light_emitted": 20 }
    ],
    "description_affix": "illuminated_by",
    "has_elec": true,
    "priority": 4,
    "half_life": "6 turns",
    "phase": "plasma",
    "display_items": false,
    "display_field": true
  },
  {
    "id": "fd_smoke",
    "type": "field_type",
    "legacy_enum_id": 12,
    "intensity_levels": [
      {
        "name": "thin smoke",
        "sym": "8",
        "dangerous": true,
        "translucency": 1,
        "concentration": 1,
        "effects": [
          {
            "effect_id": "smoke_eyes",
            "body_part": "eyes",
            "intensity": 1,
            "min_duration": "2 seconds",
            "max_duration": "2 seconds",
            "immunity_data": { "body_part_env_resistance": [ [ "sensor", 3 ] ] },
            "immune_inside_vehicle": true
          },
          {
            "effect_id": "smoke_lungs",
            "body_part": "mouth",
            "intensity": 1,
            "min_duration": "2 seconds",
            "max_duration": "2 seconds",
            "immunity_data": { "body_part_env_resistance": [ [ "mouth", 3 ] ] },
            "immune_inside_vehicle": true
          }
        ]
      },
      {
        "name": "smoke",
        "color": "light_gray",
        "transparent": false,
        "translucency": 10,
        "concentration": 2,
        "effects": [
          {
            "effect_id": "smoke_eyes",
            "body_part": "eyes",
            "intensity": 2,
            "min_duration": "7 seconds",
            "max_duration": "7 seconds",
            "immunity_data": { "body_part_env_resistance": [ [ "sensor", 5 ] ] },
            "immune_inside_vehicle": true
          },
          {
            "effect_id": "smoke_lungs",
            "body_part": "mouth",
            "intensity": 2,
            "min_duration": "7 seconds",
            "max_duration": "7 seconds",
            "immunity_data": { "body_part_env_resistance": [ [ "mouth", 5 ] ] },
            "immune_inside_vehicle": true
          }
        ],
        "scent_neutralization": 1
      },
      {
        "name": "thick smoke",
        "color": "dark_gray",
        "translucency": 0,
        "concentration": 4,
        "effects": [
          {
            "effect_id": "smoke_eyes",
            "body_part": "eyes",
            "intensity": 4,
            "min_duration": "15 seconds",
            "max_duration": "15 seconds",
            "immunity_data": { "body_part_env_resistance": [ [ "sensor", 7 ] ] },
            "immune_inside_vehicle": true
          },
          {
            "effect_id": "smoke_lungs",
            "body_part": "mouth",
            "intensity": 4,
            "min_duration": "15 seconds",
            "max_duration": "15 seconds",
            "immunity_data": { "body_part_env_resistance": [ [ "mouth", 7 ] ] },
            "immune_inside_vehicle": true
          }
        ],
        "scent_neutralization": 5
      }
    ],
    "decay_amount_factor": 5,
    "gas_absorption_factor": "100m",
    "dirty_transparency_cache": true,
    "percent_spread": 10,
    "outdoor_age_speedup": "0 turns",
    "priority": 8,
    "half_life": "2 minutes",
    "phase": "gas",
    "accelerated_decay": true,
    "display_items": false,
    "display_field": true,
    "looks_like": "fd_fog"
  },
  {
    "id": "fd_toxic_gas",
    "type": "field_type",
    "legacy_enum_id": 13,
    "intensity_levels": [
      {
        "name": "hazy cloud",
        "sym": "8",
        "dangerous": true,
        "translucency": 1,
        "concentration": 1,
        "effects": [
          {
            "effect_id": "poison",
            "body_part": "mouth",
            "intensity": 2,
            "min_duration": "2 minutes",
            "max_duration": "2 minutes",
            "immune_inside_vehicle": true,
            "message": "You feel sick from inhaling the hazy cloud.",
            "message_type": "bad"
          }
        ]
      },
      {
        "name": "toxic gas",
        "color": "light_green",
        "transparent": false,
        "translucency": 10,
        "concentration": 2,
        "effects": [
          {
            "effect_id": "poison",
            "body_part": "mouth",
            "intensity": 5,
            "min_duration": "3 minutes",
            "max_duration": "3 minutes",
            "immune_inside_vehicle": true,
            "message": "You feel sick from inhaling the toxic gas.",
            "message_type": "bad"
          }
        ]
      },
      {
        "name": "thick toxic gas",
        "color": "green",
        "translucency": 0,
        "concentration": 4,
        "effects": [
          {
            "effect_id": "poison",
            "body_part": "mouth",
            "intensity": 5,
            "min_duration": "3 minutes",
            "max_duration": "3 minutes",
            "//": "won't be applied outside of vehicles, so it could apply harsher effect",
            "immune_outside_vehicle": true,
            "message": "You feel sick from inhaling the thick toxic gas.",
            "message_type": "bad"
          },
          {
            "effect_id": "badpoison",
            "body_part": "mouth",
            "intensity": 5,
            "min_duration": "3 minutes",
            "max_duration": "3 minutes",
            "//": "won't be applied inside of vehicles, so it could apply lesser effect",
            "immune_inside_vehicle": true,
            "message": "You feel sick from inhaling the thick toxic gas.",
            "message_type": "bad"
          }
        ]
      }
    ],
    "decay_amount_factor": 5,
    "gas_absorption_factor": "80m",
    "percent_spread": 30,
    "outdoor_age_speedup": "3 minutes",
    "dirty_transparency_cache": true,
    "has_fume": true,
    "immunity_data": { "body_part_env_resistance": [ [ "mouth", 15 ] ] },
    "priority": 8,
    "half_life": "10 minutes",
    "phase": "gas",
    "display_items": false,
    "display_field": true,
    "looks_like": "fd_nuke_gas"
  },
  {
    "id": "fd_pollen_triffid",
    "type": "field_type",
    "legacy_enum_id": 51,
    "intensity_levels": [
      {
        "name": "hazy cloud",
        "sym": "8",
        "dangerous": true,
        "translucency": 1,
        "concentration": 1,
        "effects": [
          {
            "effect_id": "tpollen",
            "body_part": "mouth",
            "intensity": 2,
            "min_duration": "2 minutes",
            "max_duration": "2 minutes",
            "immune_inside_vehicle": true,
            "message": "You feel sick from inhaling the hazy cloud.",
            "message_type": "bad"
          }
        ]
      },
      {
        "name": "triffid pollen",
        "color": "light_green",
        "transparent": false,
        "translucency": 10,
        "concentration": 2,
        "effects": [
          {
            "effect_id": "tpollen",
            "body_part": "mouth",
            "intensity": 5,
            "min_duration": "3 minutes",
            "max_duration": "3 minutes",
            "immune_inside_vehicle": true,
            "message": "You feel sick from inhaling the triffid pollen.",
            "message_type": "bad"
          }
        ]
      }
    ],
    "decay_amount_factor": 5,
    "gas_absorption_factor": "80m",
    "percent_spread": 30,
    "outdoor_age_speedup": "3 minutes",
    "dirty_transparency_cache": true,
    "has_fume": true,
    "immunity_data": { "body_part_env_resistance": [ [ "mouth", 15 ] ] },
    "priority": 8,
    "half_life": "10 minutes",
    "phase": "gas",
    "display_items": false,
    "display_field": true,
    "looks_like": "fd_nuke_gas"
  },
  {
    "id": "fd_tear_gas",
    "type": "field_type",
    "legacy_enum_id": 14,
    "intensity_levels": [
      { "name": "hazy cloud", "sym": "8", "dangerous": true, "translucency": 1, "concentration": 1 },
      {
        "name": "tear gas",
        "color": "light_green",
        "transparent": false,
        "translucency": 10,
        "concentration": 2,
        "scent_neutralization": 1
      },
      { "name": "thick tear gas", "color": "green", "translucency": 0, "concentration": 4, "scent_neutralization": 5 }
    ],
    "decay_amount_factor": 5,
    "gas_absorption_factor": "80m",
    "percent_spread": 10,
    "outdoor_age_speedup": "0 turns",
    "dirty_transparency_cache": true,
    "has_fume": true,
    "immunity_data": { "body_part_env_resistance": [ [ "mouth", 15 ] ] },
    "priority": 8,
    "half_life": "5 minutes",
    "phase": "gas",
    "display_items": false,
    "display_field": true,
    "looks_like": "fd_smoke"
  },
  {
    "id": "fd_nuke_gas",
    "type": "field_type",
    "legacy_enum_id": 15,
    "intensity_levels": [
      {
        "name": "hazy cloud",
        "sym": "8",
        "dangerous": true,
        "translucency": 10,
        "concentration": 1,
        "extra_radiation_max": 1
      },
      { "name": "radioactive gas", "color": "light_green", "extra_radiation_max": 2, "concentration": 2 },
      {
        "name": "thick radioactive gas",
        "color": "green",
        "transparent": false,
        "concentration": 4,
        "extra_radiation_max": 3,
        "radiation_hurt_damage_min": 1,
        "radiation_hurt_damage_max": 3,
        "radiation_hurt_message": "This radioactive gas burns!"
      }
    ],
    "decay_amount_factor": 5,
    "percent_spread": 15,
    "outdoor_age_speedup": "1 minutes",
    "dirty_transparency_cache": true,
    "has_fume": true,
    "priority": 8,
    "half_life": "100 minutes",
    "phase": "gas",
    "display_items": false,
    "display_field": true,
    "looks_like": "fd_smoke"
  },
  {
    "id": "fd_gas_vent",
    "type": "field_type",
    "legacy_enum_id": 16,
    "intensity_levels": [ { "name": "gas vent", "concentration": 4 }, { "//": "repeat last entry" }, { "//": "repeat last entry" } ],
    "description_affix": "under",
    "wandering_field": "fd_toxic_gas",
    "gas_absorption_factor": "80m",
    "dirty_transparency_cache": true,
    "immunity_data": { "body_part_env_resistance": [ [ "mouth", 15 ] ] },
    "phase": "gas",
    "display_items": false,
    "display_field": true,
    "looks_like": "fd_toxic_gas"
  },
  {
    "id": "fd_tindalos_rift",
    "type": "field_type",
    "intensity_levels": [
      { "name": "angular ripple", "color": "light_gray", "sym": "*", "light_emitted": 160, "concentration": 1 },
      { "name": "angular rift", "color": "dark_gray", "concentration": 1 },
      {
        "name": "fractal fissure",
        "color": "magenta",
        "transparent": false,
        "concentration": 1,
        "monster_spawn_chance": 15,
        "monster_spawn_count": 1,
        "monster_spawn_radius": 1,
        "monster_spawn_group": "GROUP_TINDALOS",
        "light_emitted": 160
      }
    ],
    "priority": 9,
    "half_life": "10 seconds",
    "accelerated_decay": true,
    "wandering_field": "fd_tindalos_gas",
    "gas_absorption_factor": "80m",
    "dirty_transparency_cache": true,
    "phase": "gas",
    "display_items": false,
    "display_field": true,
    "looks_like": "fd_smoke"
  },
  {
    "id": "fd_fire_vent",
    "type": "field_type",
    "legacy_enum_id": 17,
    "intensity_levels": [ { "name": "fire vent", "light_emitted": 20 }, { "//": "repeat last entry" }, { "//": "repeat last entry" } ],
    "description_affix": "under",
    "has_fire": true,
    "phase": "gas",
    "display_items": false,
    "display_field": true,
    "looks_like": "fd_fire"
  },
  {
    "id": "fd_shadow",
    "type": "field_type",
    "intensity_levels": [ { "name": "shadow", "light_override": 3.7 } ],
    "half_life": "10 seconds",
    "percent_spread": 50
  },
  {
    "id": "fd_flame_burst",
    "type": "field_type",
    "legacy_enum_id": 18,
    "intensity_levels": [
      { "name": { "ctxt": "noun", "str": "fire" }, "sym": "5", "color": "red", "dangerous": true, "light_emitted": 20 },
      { "//": "repeat last entry" },
      { "//": "repeat last entry" }
    ],
    "description_affix": "on",
    "has_fire": true,
    "priority": 4,
    "phase": "gas",
    "display_items": false,
    "display_field": true,
    "looks_like": "fd_fire"
  },
  {
    "id": "fd_electricity",
    "type": "field_type",
    "legacy_enum_id": 19,
    "intensity_levels": [
      { "name": "sparks", "sym": "9", "dangerous": true, "light_emitted": 0.01 },
      { "//": "repeat last entry", "light_emitted": 1 },
      { "//": "repeat last entry", "light_emitted": 2.5 },
      { "name": "electric crackle", "color": "cyan", "light_emitted": 4 },
      { "//": "repeat last entry", "light_emitted": 7.5 },
      { "//": "repeat last entry", "light_emitted": 11 },
      { "name": "electric cloud", "color": "blue", "light_emitted": 14.5 },
      { "//": "repeat last entry", "light_emitted": 18 },
      { "//": "repeat last entry", "light_emitted": 21.5 },
      { "//": "repeat last entry", "light_emitted": 25 }
    ],
    "description_affix": "illuminated_by",
    "has_elec": true,
    "priority": 4,
    "half_life": "4 turns",
    "phase": "plasma",
    "display_items": false,
    "display_field": true
  },
  {
    "id": "fd_fatigue",
    "type": "field_type",
    "legacy_enum_id": 20,
    "intensity_levels": [
      {
        "name": "odd ripple",
        "color": "light_gray",
        "sym": "*",
        "dangerous": true,
        "intensity_upgrade_chance": 10,
        "intensity_upgrade_duration": "6 hours"
      },
      { "name": "swirling air", "color": "dark_gray" },
      {
        "name": "tear in reality",
        "color": "magenta",
        "transparent": false,
        "monster_spawn_chance": 600,
        "monster_spawn_count": 1,
        "monster_spawn_radius": 1,
        "monster_spawn_group": "GROUP_NETHER_FATIGUE_FIELD"
      }
    ],
    "description_affix": "under",
    "priority": 8,
    "display_items": true,
    "display_field": true,
    "looks_like": "fd_smoke"
  },
  {
    "id": "fd_push_items",
    "type": "field_type",
    "legacy_enum_id": 21,
    "intensity_levels": [ { "name": "push items", "sym": "&" } ],
    "priority": -1,
    "display_items": false,
    "display_field": true
  },
  {
    "id": "fd_shock_vent",
    "type": "field_type",
    "legacy_enum_id": 22,
    "intensity_levels": [ { "name": "shock vent", "sym": "&" }, { "//": "repeat last entry" }, { "//": "repeat last entry" } ],
    "description_affix": "under",
    "has_elec": true,
    "priority": -1,
    "phase": "plasma",
    "display_items": false,
    "display_field": true,
    "looks_like": "fd_electricity"
  },
  {
    "id": "fd_acid_vent",
    "type": "field_type",
    "legacy_enum_id": 23,
    "intensity_levels": [ { "name": "acid vent", "sym": "&" }, { "//": "repeat last entry" }, { "//": "repeat last entry" } ],
    "description_affix": "under",
    "has_acid": true,
    "priority": -1,
    "phase": "liquid",
    "display_items": false,
    "display_field": true,
    "looks_like": "fd_acid"
  },
  {
    "id": "fd_plasma",
    "type": "field_type",
    "legacy_enum_id": 24,
    "intensity_levels": [
      { "name": "faint plasma", "color": "magenta", "sym": "9", "light_emitted": 0.01 },
      { "name": "glowing plasma", "color": "pink", "light_emitted": 4 },
      { "name": "glaring plasma", "color": "white", "light_emitted": 20 }
    ],
    "priority": 4,
    "half_life": "2 turns",
    "dirty_transparency_cache": true,
    "phase": "plasma",
    "display_items": false,
    "display_field": true,
    "looks_like": "fd_fire"
  },
  {
    "id": "fd_laser",
    "type": "field_type",
    "legacy_enum_id": 25,
    "intensity_levels": [
      { "name": "faint glimmer", "color": "blue", "sym": "9" },
      { "name": "beam of light", "color": "light_blue" },
      { "name": "intense beam of light", "color": "white" }
    ],
    "description_affix": "illuminated_by",
    "priority": 4,
    "half_life": "1 turns",
    "dirty_transparency_cache": true,
    "phase": "plasma",
    "display_items": false,
    "display_field": true,
    "looks_like": "fd_plasma"
  },
  {
    "id": "fd_spotlight",
    "type": "field_type",
    "legacy_enum_id": 26,
    "intensity_levels": [ { "name": "spotlight", "sym": "&", "light_emitted": 80 } ],
    "description_affix": "illuminated_by",
    "priority": 1,
    "half_life": "1 turns",
    "display_field": true,
    "looks_like": "fd_laser"
  },
  {
    "id": "fd_dazzling",
    "type": "field_type",
    "legacy_enum_id": 27,
    "intensity_levels": [
      {
        "name": "dazzling",
        "color": "light_red_yellow",
        "sym": "#",
        "light_emitted": 5,
        "effects": [
          {
            "effect_id": "blind",
            "body_part": "eyes",
            "intensity": 2,
            "min_duration": "2 seconds",
            "max_duration": "2 seconds",
            "chance_in_vehicle": 1,
            "chance_inside_vehicle": 1,
            "chance_outside_vehicle": 1
          },
          {
            "effect_id": "blind",
            "body_part": "eyes",
            "intensity": 10,
            "min_duration": "10 seconds",
            "max_duration": "10 seconds",
            "chance_in_vehicle": 5,
            "chance_inside_vehicle": 5,
            "chance_outside_vehicle": 5
          }
        ]
      },
      {
        "//": "repeat last entry",
        "effects": [
          {
            "effect_id": "blind",
            "body_part": "eyes",
            "intensity": 10,
            "min_duration": "10 seconds",
            "max_duration": "10 seconds",
            "chance_in_vehicle": 1,
            "chance_inside_vehicle": 1,
            "chance_outside_vehicle": 1
          }
        ]
      },
      { "//": "repeat last entry" }
    ],
    "description_affix": "illuminated_by",
    "immunity_data": { "immunity_flags_worn_any": [ [ "sensor", "FLASH_PROTECTION" ], [ "sensor", "BLIND" ] ], "flags": [ "BLIND" ] },
    "priority": 4,
    "half_life": "1 turns",
    "phase": "plasma",
    "display_items": false,
    "display_field": true,
    "looks_like": "fd_laser"
  },
  {
    "id": "fd_blood_veggy",
    "type": "field_type",
    "legacy_enum_id": 28,
    "intensity_levels": [
      { "name": "plant sap splatter", "color": "light_green" },
      { "name": "plant sap stain" },
      { "name": "puddle of resin" }
    ],
    "description_affix": "covered_in",
    "underwater_age_speedup": "25 minutes",
    "decay_amount_factor": 2,
    "is_splattering": true,
    "half_life": "2 days",
    "phase": "liquid",
    "accelerated_decay": true,
    "display_field": true,
    "looks_like": "fd_blood"
  },
  {
    "id": "fd_blood_insect",
    "type": "field_type",
    "legacy_enum_id": 29,
    "intensity_levels": [ { "name": "bug blood splatter", "color": "green" }, { "name": "bug blood stain" }, { "name": "puddle of bug blood" } ],
    "description_affix": "covered_in",
    "underwater_age_speedup": "25 minutes",
    "decay_amount_factor": 2,
    "is_splattering": true,
    "half_life": "2 days",
    "phase": "liquid",
    "accelerated_decay": true,
    "display_field": true,
    "looks_like": "fd_blood"
  },
  {
    "id": "fd_blood_invertebrate",
    "type": "field_type",
    "legacy_enum_id": 30,
    "intensity_levels": [
      { "name": "hemolymph splatter", "color": "light_gray" },
      { "name": "hemolymph stain" },
      { "name": "puddle of hemolymph" }
    ],
    "description_affix": "covered_in",
    "underwater_age_speedup": "25 minutes",
    "decay_amount_factor": 2,
    "is_splattering": true,
    "half_life": "2 days",
    "phase": "liquid",
    "accelerated_decay": true,
    "display_field": true,
    "looks_like": "fd_blood"
  },
  {
    "id": "fd_gibs_insect",
    "type": "field_type",
    "legacy_enum_id": 31,
    "intensity_levels": [
      { "name": "shards of chitin", "color": "light_green", "sym": "~" },
      { "name": "shattered bug leg", "color": "green" },
      { "name": "torn insect organs", "color": "yellow" }
    ],
    "description_affix": "covered_in",
    "underwater_age_speedup": "25 minutes",
    "decay_amount_factor": 2,
    "is_splattering": true,
    "half_life": "2 days",
    "phase": "liquid",
    "accelerated_decay": true,
    "display_field": true,
    "looks_like": "fd_blood_insect"
  },
  {
    "id": "fd_gibs_invertebrate",
    "type": "field_type",
    "legacy_enum_id": 32,
    "intensity_levels": [
      { "name": "gooey scraps", "color": "light_gray", "sym": "~" },
      { "name": "icky mess" },
      { "name": "heap of squishy gore", "color": "dark_gray" }
    ],
    "description_affix": "covered_in",
    "underwater_age_speedup": "25 minutes",
    "decay_amount_factor": 2,
    "is_splattering": true,
    "half_life": "2 days",
    "phase": "liquid",
    "accelerated_decay": true,
    "display_field": true,
    "looks_like": "fd_blood_invertebrate"
  },
  {
    "id": "fd_cigsmoke",
    "type": "field_type",
    "legacy_enum_id": 33,
    "intensity_levels": [
      { "name": "swirl of tobacco smoke", "translucency": 5 },
      { "name": "tobacco smoke", "color": "light_gray" },
      { "name": "thick tobacco smoke", "color": "dark_gray" }
    ],
    "decay_amount_factor": 5,
    "percent_spread": 250,
    "outdoor_age_speedup": "6 minutes",
    "dirty_transparency_cache": true,
    "priority": 8,
    "half_life": "35 minutes",
    "phase": "gas",
    "accelerated_decay": true,
    "display_field": true,
    "looks_like": "fd_smoke"
  },
  {
    "id": "fd_weedsmoke",
    "type": "field_type",
    "legacy_enum_id": 34,
    "intensity_levels": [
      { "name": "swirl of pot smoke", "translucency": 5 },
      { "name": "pot smoke", "color": "light_gray" },
      { "name": "thick pot smoke", "color": "dark_gray" }
    ],
    "npc_complain": { "chance": 20, "issue": "weed_smoke", "duration": "10 minutes", "speech": "<weed_smoke>" },
    "decay_amount_factor": 5,
    "percent_spread": 200,
    "outdoor_age_speedup": "6 minutes",
    "dirty_transparency_cache": true,
    "priority": 8,
    "half_life": "325 turns",
    "phase": "gas",
    "accelerated_decay": true,
    "display_field": true,
    "looks_like": "fd_cigsmoke"
  },
  {
    "id": "fd_cracksmoke",
    "type": "field_type",
    "legacy_enum_id": 35,
    "intensity_levels": [
      { "name": "swirl of crack smoke", "translucency": 5 },
      { "name": "crack smoke", "color": "light_gray" },
      { "name": "thick crack smoke", "color": "dark_gray" }
    ],
    "npc_complain": { "chance": 20, "issue": "crack_smoke", "duration": "30 minutes", "speech": "<crack_smoke>" },
    "decay_amount_factor": 5,
    "percent_spread": 175,
    "outdoor_age_speedup": "8 minutes",
    "dirty_transparency_cache": true,
    "priority": 8,
    "half_life": "225 turns",
    "phase": "gas",
    "accelerated_decay": true,
    "display_field": true,
    "looks_like": "fd_cigsmoke"
  },
  {
    "id": "fd_methsmoke",
    "type": "field_type",
    "legacy_enum_id": 36,
    "intensity_levels": [
      { "name": "swirl of meth smoke", "translucency": 5 },
      { "name": "meth smoke", "color": "light_gray" },
      { "name": "thick meth smoke", "color": "dark_gray" }
    ],
    "npc_complain": { "chance": 20, "issue": "meth_smoke", "duration": "30 minutes", "speech": "<meth_smoke>" },
    "decay_amount_factor": 5,
    "percent_spread": 175,
    "outdoor_age_speedup": "7 minutes",
    "dirty_transparency_cache": true,
    "priority": 8,
    "half_life": "275 turns",
    "phase": "gas",
    "accelerated_decay": true,
    "display_field": true,
    "looks_like": "fd_smoke"
  },
  {
    "id": "fd_tindalos_gas",
    "type": "field_type",
    "intensity_levels": [
      { "name": "swirl of fog", "translucency": 5, "light_emitted": 20 },
      { "name": "foul fog", "color": "cyan" },
      { "name": "thick foul fog", "color": "pink" }
    ],
    "decay_amount_factor": 5,
    "percent_spread": 150,
    "outdoor_age_speedup": "6 minutes",
    "dirty_transparency_cache": true,
    "priority": 8,
    "half_life": "35 minutes",
    "phase": "gas",
    "display_field": true,
    "looks_like": "fd_smoke"
  },
  {
    "id": "fd_incendiary",
    "type": "field_type",
    "legacy_enum_id": 38,
    "intensity_levels": [
      { "name": "smoke", "sym": "8", "color": "light_red", "dangerous": true, "light_emitted": 20, "translucency": 1 },
      { "name": "airborne incendiary", "color": "light_red", "light_emitted": 60, "translucency": 10 },
      {
        "name": "airborne incendiary",
        "color": "light_red_red",
        "transparent": false,
        "light_emitted": 160,
        "translucency": 0
      }
    ],
    "percent_spread": 66,
    "outdoor_age_speedup": "4 minutes",
    "dirty_transparency_cache": true,
    "has_fire": true,
    "priority": 8,
    "half_life": "50 minutes",
    "phase": "gas",
    "display_items": false,
    "display_field": true,
    "looks_like": "fd_laser"
  },
  {
    "id": "fd_relax_gas",
    "type": "field_type",
    "legacy_enum_id": 39,
    "intensity_levels": [
      {
        "name": "hazy cloud",
        "sym": ".",
        "dangerous": true,
        "translucency": 5,
        "concentration": 1,
        "effects": [
          {
            "effect_id": "relax_gas",
            "body_part": "mouth",
            "intensity": 2,
            "min_duration": "3 seconds",
            "max_duration": "3 seconds",
            "chance_outside_vehicle": 3,
            "immune_inside_vehicle": true
          }
        ]
      },
      {
        "name": "sedative gas",
        "color": "pink",
        "concentration": 2,
        "effects": [
          {
            "effect_id": "relax_gas",
            "body_part": "mouth",
            "intensity": 4,
            "min_duration": "3 seconds",
            "max_duration": "3 seconds",
            "chance_inside_vehicle": 3
          }
        ]
      },
      {
        "name": "relaxation gas",
        "color": "cyan",
        "concentration": 4,
        "effects": [
          {
            "effect_id": "relax_gas",
            "body_part": "mouth",
            "intensity": 6,
            "min_duration": "3 seconds",
            "max_duration": "3 seconds",
            "chance_inside_vehicle": 3
          }
        ]
      }
    ],
    "decay_amount_factor": 5,
    "gas_absorption_factor": "80m",
    "percent_spread": 15,
    "outdoor_age_speedup": "5 minutes",
    "dirty_transparency_cache": true,
    "has_fume": true,
    "immunity_data": { "body_part_env_resistance": [ [ "mouth", 15 ] ] },
    "priority": 8,
    "half_life": "50 minutes",
    "phase": "gas",
    "display_items": false,
    "display_field": true,
    "looks_like": "fd_tear_gas"
  },
  {
    "id": "fd_swamp_gas",
    "type": "field_type",
    "intensity_levels": [
      { "name": "swamp gas", "sym": ".", "dangerous": true, "translucency": 5, "concentration": 1 },
      { "//": "repeat last entry" },
      { "//": "repeat last entry" }
    ],
    "decay_amount_factor": 5,
    "gas_absorption_factor": "80m",
    "percent_spread": 25,
    "outdoor_age_speedup": "1 minutes",
    "dirty_transparency_cache": true,
    "has_fume": true,
    "immunity_data": { "body_part_env_resistance": [ [ "mouth", 15 ] ] },
    "priority": 8,
    "half_life": "15 minutes",
    "phase": "gas",
    "display_items": false,
    "display_field": true,
    "looks_like": "fd_nuke_gas"
  },
  {
    "id": "fd_fog",
    "type": "field_type",
    "intensity_levels": [
      { "name": "mist", "sym": "~", "dangerous": false, "transparent": false, "translucency": 5, "concentration": 0.5 },
      { "name": "fog", "translucency": 3 },
      { "name": "dense fog", "translucency": 1 }
    ],
    "decay_amount_factor": 15,
    "gas_absorption_factor": "80m",
    "percent_spread": 30,
    "outdoor_age_speedup": "1 minutes",
    "dirty_transparency_cache": true,
    "has_fume": true,
    "priority": 8,
    "half_life": "7 minutes",
    "phase": "gas",
    "display_items": false,
    "display_field": true,
    "looks_like": "fd_smoke"
  },
  {
    "id": "fd_fungal_haze",
    "type": "field_type",
    "legacy_enum_id": 40,
    "intensity_levels": [
      { "name": "hazy cloud", "sym": ".", "dangerous": true, "concentration": 1 },
      { "name": "fungal haze", "color": "cyan", "concentration": 2 },
      { "name": "thick fungal haze", "transparent": false, "concentration": 4 }
    ],
    "decay_amount_factor": 5,
    "gas_absorption_factor": "80m",
    "percent_spread": 13,
    "outdoor_age_speedup": "5 turns",
    "dirty_transparency_cache": true,
    "has_fume": true,
    "immunity_data": { "flags": [ "MYCUS_IMMUNE" ], "body_part_env_resistance": [ [ "mouth", 15 ], [ "sensor", 15 ] ] },
    "priority": 8,
    "half_life": "4 minutes",
    "phase": "gas",
    "display_items": false,
    "display_field": true,
    "looks_like": "fd_smoke"
  },
  {
    "id": "fd_cold_air1",
    "type": "field_type",
    "legacy_enum_id": 41,
    "intensity_levels": [
      { "name": "cold air 1", "sym": "&", "convection_temperature_mod": -2 },
      { "color": "blue", "convection_temperature_mod": -4 },
      { "color": "cyan", "convection_temperature_mod": -6 }
    ],
    "decay_amount_factor": 5,
    "percent_spread": 10,
    "outdoor_age_speedup": "100 minutes",
    "priority": -1,
    "half_life": "50 minutes",
    "phase": "gas"
  },
  {
    "id": "fd_cold_air2",
    "type": "field_type",
    "legacy_enum_id": 42,
    "intensity_levels": [
      { "name": "cold air 2", "sym": "&", "convection_temperature_mod": -6 },
      { "color": "blue", "convection_temperature_mod": -16 },
      { "color": "cyan", "convection_temperature_mod": -20 }
    ],
    "decay_amount_factor": 5,
    "percent_spread": 10,
    "outdoor_age_speedup": "100 minutes",
    "priority": -1,
    "half_life": "50 minutes",
    "phase": "gas"
  },
  {
    "id": "fd_cold_air3",
    "type": "field_type",
    "legacy_enum_id": 43,
    "intensity_levels": [
      { "name": "cold air 3", "sym": "&", "convection_temperature_mod": -16 },
      { "color": "blue", "convection_temperature_mod": -40 },
      { "color": "cyan", "convection_temperature_mod": -70 }
    ],
    "decay_amount_factor": 5,
    "percent_spread": 10,
    "outdoor_age_speedup": "100 minutes",
    "priority": -1,
    "half_life": "50 minutes",
    "phase": "gas"
  },
  {
    "id": "fd_cold_air4",
    "type": "field_type",
    "legacy_enum_id": 44,
    "intensity_levels": [
      { "name": "cold air 4", "sym": "&", "convection_temperature_mod": -70 },
      { "color": "blue", "convection_temperature_mod": -100 },
      { "color": "cyan", "convection_temperature_mod": -160 }
    ],
    "decay_amount_factor": 5,
    "percent_spread": 10,
    "outdoor_age_speedup": "100 minutes",
    "priority": -1,
    "half_life": "50 minutes",
    "phase": "gas"
  },
  {
    "id": "fd_hot_air1",
    "type": "field_type",
    "legacy_enum_id": 45,
    "intensity_levels": [
      { "name": "hot air 1", "sym": "&", "convection_temperature_mod": 2 },
      { "color": "yellow", "convection_temperature_mod": 6 },
      { "color": "red", "convection_temperature_mod": 10 }
    ],
    "decay_amount_factor": 5,
    "percent_spread": 10,
    "outdoor_age_speedup": "100 minutes",
    "priority": -1,
    "half_life": "50 minutes",
    "phase": "gas"
  },
  {
    "id": "fd_hot_air2",
    "type": "field_type",
    "legacy_enum_id": 46,
    "intensity_levels": [
      { "name": "hot air 2", "sym": "&", "convection_temperature_mod": 6 },
      { "color": "yellow", "convection_temperature_mod": 16 },
      { "color": "red", "convection_temperature_mod": 20 }
    ],
    "decay_amount_factor": 5,
    "percent_spread": 10,
    "outdoor_age_speedup": "100 minutes",
    "priority": -1,
    "half_life": "50 minutes",
    "phase": "gas"
  },
  {
    "id": "fd_hot_air3",
    "type": "field_type",
    "legacy_enum_id": 47,
    "intensity_levels": [
      { "name": "hot air 3", "sym": "&", "convection_temperature_mod": 16 },
      { "color": "yellow", "convection_temperature_mod": 40 },
      { "color": "red", "convection_temperature_mod": 70 }
    ],
    "decay_amount_factor": 5,
    "percent_spread": 10,
    "outdoor_age_speedup": "100 minutes",
    "priority": -1,
    "half_life": "50 minutes",
    "phase": "gas"
  },
  {
    "id": "fd_hot_air4",
    "type": "field_type",
    "legacy_enum_id": 48,
    "intensity_levels": [
      { "name": "hot air 4", "sym": "&", "convection_temperature_mod": 70 },
      { "color": "yellow", "convection_temperature_mod": 100 },
      { "color": "red", "convection_temperature_mod": 160 }
    ],
    "decay_amount_factor": 5,
    "percent_spread": 10,
    "outdoor_age_speedup": "100 minutes",
    "priority": -1,
    "half_life": "50 minutes",
    "phase": "gas"
  },
  {
    "id": "fd_hot_air_sauna",
    "type": "field_type",
    "intensity_levels": [
      { "name": "hot air sauna", "sym": "&", "convection_temperature_mod": 60 },
      { "color": "yellow", "convection_temperature_mod": 70 },
      { "color": "red", "convection_temperature_mod": 80 }
    ],
    "decay_amount_factor": 5,
    "percent_spread": 40,
    "outdoor_age_speedup": "30 minutes",
    "priority": -1,
    "half_life": "5 minutes",
    "phase": "gas",
    "display_field": true
  },
  {
    "id": "fd_migo_atmosphere",
    "type": "field_type",
    "intensity_levels": [
      {
        "name": "foul-smelling air",
        "sym": "8",
        "dangerous": true,
        "concentration": 1,
        "effects": [
          {
            "effect_id": "migo_atmosphere",
            "body_part": "mouth",
            "intensity": 1,
            "min_duration": "5 seconds",
            "max_duration": "10 seconds",
            "immune_inside_vehicle": true
          }
        ]
      },
      {
        "name": "foul-smelling air",
        "translucency": 1,
        "concentration": 2,
        "effects": [
          {
            "effect_id": "migo_atmosphere",
            "body_part": "mouth",
            "intensity": 2,
            "min_duration": "10 seconds",
            "max_duration": "25 seconds"
          }
        ]
      },
      {
        "name": "foul-smelling air",
        "concentration": 4,
        "effects": [
          {
            "effect_id": "migo_atmosphere",
            "body_part": "mouth",
            "intensity": 4,
            "min_duration": "15 seconds",
            "max_duration": "25 seconds"
          }
        ]
      }
    ],
    "decay_amount_factor": 5,
    "gas_absorption_factor": "80m",
    "percent_spread": 30,
    "outdoor_age_speedup": "3 minutes",
    "dirty_transparency_cache": true,
    "has_fume": true,
    "immunity_data": { "body_part_env_resistance": [ [ "mouth", 15 ] ] },
    "priority": 8,
    "half_life": "10 minutes",
    "phase": "gas"
  },
  {
    "id": "fd_fungicidal_gas",
    "type": "field_type",
    "legacy_enum_id": 49,
    "intensity_levels": [
      { "name": "fungicidal mist", "sym": "8", "dangerous": true, "concentration": 1 },
      { "name": "fungicidal haze", "color": "light_gray", "concentration": 2 },
      { "name": "thick fungicidal haze", "color": "dark_gray", "transparent": false, "concentration": 4 }
    ],
    "decay_amount_factor": 5,
    "gas_absorption_factor": "80m",
    "percent_spread": 100,
    "outdoor_age_speedup": "1 minutes",
    "dirty_transparency_cache": true,
    "has_fume": true,
    "immunity_data": { "body_part_env_resistance": [ [ "mouth", 15 ] ] },
    "priority": 8,
    "half_life": "30 minutes",
    "phase": "gas",
    "display_items": false,
    "display_field": true,
    "looks_like": "fd_tear_gas"
  },
  {
    "id": "fd_insecticidal_gas",
    "type": "field_type",
    "intensity_levels": [
      { "name": "insecticidal mist", "sym": "8", "dangerous": true, "concentration": 1 },
      { "name": "insecticidal haze", "color": "light_gray", "concentration": 2 },
      { "name": "thick insecticidal haze", "color": "dark_gray", "transparent": false, "concentration": 4 }
    ],
    "decay_amount_factor": 5,
    "gas_absorption_factor": "80m",
    "percent_spread": 100,
    "outdoor_age_speedup": "1 minutes",
    "dirty_transparency_cache": true,
    "has_fume": true,
    "immunity_data": { "body_part_env_resistance": [ [ "mouth", 15 ] ] },
    "priority": 8,
    "half_life": "30 minutes",
    "phase": "gas",
    "display_items": false,
    "display_field": true,
    "looks_like": "fd_tear_gas"
  },
  {
    "id": "fd_smoke_vent",
    "type": "field_type",
    "legacy_enum_id": 50,
    "intensity_levels": [
      { "name": "smoke vent", "dangerous": true, "concentration": 4 },
      { "//": "repeat last entry" },
      { "//": "repeat last entry" }
    ],
    "description_affix": "under",
    "wandering_field": "fd_smoke",
    "gas_absorption_factor": "80m",
    "dirty_transparency_cache": true,
    "has_fume": true,
    "phase": "gas",
    "display_items": false,
    "display_field": true,
    "looks_like": "fd_smoke"
  },
  {
    "id": "fd_mechanical_fluid",
    "type": "field_type",
    "intensity_levels": [
      { "name": "mechanical fluid splatter", "color": "light_gray" },
      { "name": "mechanical fluid stain" },
      { "name": "puddle of mechanical fluid", "color": "dark_gray" }
    ],
    "description_affix": "covered_in",
    "is_splattering": true,
    "half_life": "10 days",
    "phase": "liquid",
    "display_field": true,
    "looks_like": "fd_sludge"
  },
  {
    "id": "fd_electricity_unlit",
    "type": "field_type",
    "intensity_levels": [
      { "name": "sparks", "sym": "9", "dangerous": true },
      { "//": "repeat last entry" },
      { "//": "repeat last entry" },
      { "name": "electric crackle", "color": "cyan" },
      { "//": "repeat last entry" },
      { "//": "repeat last entry" },
      { "name": "electric cloud", "color": "blue", "light_emitted": 5 },
      { "//": "repeat last entry" },
      { "//": "repeat last entry" },
      { "//": "repeat last entry" }
    ],
    "description_affix": "illuminated_by",
    "has_elec": true,
    "priority": 4,
    "half_life": "4 turns",
    "phase": "plasma",
    "display_items": false,
    "display_field": false,
    "looks_like": "fd_electricity"
  },
  {
    "id": "fd_direction",
    "type": "field_type",
    "intensity_levels": [ { "name": "Detected something", "sym": "." } ],
    "priority": 10,
    "half_life": "1 seconds",
    "accelerated_decay": true,
    "display_field": true,
    "display_items": true,
    "phase": "gas",
    "looks_like": "footstep"
  },
  {
    "id": "fd_clairvoyant",
    "type": "field_type",
    "intensity_levels": [ { "name": "clairvoyance", "sym": "8", "dangerous": false, "concentration": 1 } ],
    "decay_amount_factor": 5,
    "gas_absorption_factor": "100m",
    "dirty_transparency_cache": true,
    "outdoor_age_speedup": "0 turns",
    "priority": 8,
    "half_life": "1 seconds",
    "phase": "solid",
    "display_field": false
  },
  {
    "id": "fd_bee_swarm",
    "type": "field_type",
    "intensity_levels": [
      { "name": "a few bees", "sym": ".", "dangerous": true, "translucency": 1 },
      { "name": "a swarm of bees", "color": "yellow", "transparent": true, "translucency": 1 },
      { "name": "a cloud of bees", "color": "green", "translucency": 0 }
    ],
    "decay_amount_factor": 5,
    "gas_absorption_factor": "80m",
    "percent_spread": 25,
    "outdoor_age_speedup": "10 minutes",
    "dirty_transparency_cache": true,
    "has_fume": true,
    "immunity_data": { "body_part_env_resistance": [ [ "torso", 5 ] ] },
    "priority": 3,
    "half_life": "10 minute",
    "phase": "gas",
    "display_items": true,
    "display_field": true
  },
  {
    "id": "fd_churned_earth",
    "type": "field_type",
    "intensity_levels": [ { "name": "churned earth", "sym": "^", "color": "brown", "dangerous": false } ],
    "half_life": "1 minute",
    "accelerated_decay": true,
    "display_field": true,
    "display_items": true,
    "phase": "solid",
    "looks_like": "t_dirtmound"
  },
  {
    "id": "fd_last_known",
    "type": "field_type",
    "intensity_levels": [ { "name": "last known position", "dangerous": false } ]
  },
  {
    "id": "fd_nm_monster_gas_1",
    "//": "Spores cause players to light up",
    "type": "field_type",
    "intensity_levels": [
      {
        "name": "glowing gas spores",
        "sym": ".",
        "dangerous": true,
        "light_emitted": 10,
        "translucency": 5,
        "concentration": 1,
        "effects": [
          {
            "effect_id": "glowing_gas_cover",
            "body_part": "torso",
            "intensity": 4,
            "min_duration": "1 minutes",
            "max_duration": "2 minutes"
          }
        ]
      },
      { "//": "repeat last entry" },
      { "//": "repeat last entry" }
    ],
    "decay_amount_factor": 5,
    "gas_absorption_factor": "80m",
    "percent_spread": 25,
    "outdoor_age_speedup": "1 minutes",
    "dirty_transparency_cache": true,
    "has_fume": true,
    "priority": 8,
    "half_life": "15 minutes",
    "phase": "gas",
    "display_items": false,
    "display_field": true,
    "looks_like": "fd_tear_gas"
  },
  {
    "id": "fd_nm_monster_gas_2",
    "//": "Spores, when inhaled, act like smoke",
    "type": "field_type",
    "intensity_levels": [
      {
        "name": "glowing gas",
        "sym": ".",
        "dangerous": true,
        "light_emitted": 10,
        "translucency": 5,
        "concentration": 1,
        "effects": [
          {
            "effect_id": "glowing_gas",
            "body_part": "mouth",
            "intensity": 4,
            "min_duration": "15 seconds",
            "max_duration": "25 seconds"
          }
        ]
      },
      { "//": "repeat last entry" },
      { "//": "repeat last entry" }
    ],
    "decay_amount_factor": 5,
    "gas_absorption_factor": "80m",
    "percent_spread": 25,
    "outdoor_age_speedup": "1 minutes",
    "dirty_transparency_cache": true,
    "immunity_data": { "body_part_env_resistance": [ [ "mouth", 15 ] ] },
    "has_fume": true,
    "priority": 8,
    "half_life": "15 minutes",
    "phase": "gas",
    "display_items": false,
    "display_field": true,
    "looks_like": "fd_tear_gas"
  }
]
