Disease

Bubonic Plague

bubonic_plague

A great pestilence that sweeps through busy trade routes, sparing neither low nor high. Those infected suffer black swellings in the groin and armpits, terrible fever, and death. Some believe it is carried by the vermin that scurry in our streets and fields, spreading foul sickness from one poor soul to another.

Modifiers

• Unavoidable Attrition+5
• Maximum Attrition+10
• Local Pop Promotion Speed−200%
• Pop Demotion Speed+50%
• Prosperity Decay+10%
• Monthly Control−0.2%
• Local Monthly Development−0.01
• Migration Attraction−5
• Pop Migration Speed+0.01

How it is computed

Character mortality chance

• =0.16
• If
  Owner›Bubonic Plague Character Mortality Chance: Not0
  • ×
    • =1
    • +owner.modifier:character_mortality_chance_by_bubonic_plague
• ×disease_presence(scope:disease)

Location spread threshold

• =0.3
• If
  • There are = 0 Road
  • At least one of

    • Topography: MountainsorWetlands
    • Vegetation: DesertorJungle
    • Climate: Arctic
    • Location Rank: Rural Settlement
  • ×1.75
• Otherwise, if
  There are ≥ 0 Road
  • ×0.5

Location stagnation chance

• If
  Location Rank: Rural Settlement
  • =0.08
• Otherwise, if
  Location Rank: Town
  • =0.04
• Otherwise
  • =0.02
  • If
    Has < 0.1 of Population Capacity
    • +0.1
• If
  At least one of

  • Topography: MountainsorWetlands
  • Vegetation: DesertorJungle
  • Climate: ArcticorTropical
  • +0.2
• If
  Disease Resistance (Disease) > 0.5
  • +
    • =disease_resistance(scope:disease)
    • −0.5
    • ×0.25
• If
  Disease Resistance (Disease) > 0.95
  • +0.05
• If
  Disease Resistance (Disease) > 0.98
  • +0.1
• If
  Distance to squared

  • Location: Disease›Origin
  • Value < 150000
  • =0

Monthly spawn chance

• If
  Black Death

  • Situation is NOT active
  • Situation has ended
  • =0.005
• Otherwise, if
  Black Death

  • Situation is active
  • Situation has NOT ended
  • =0
• Otherwise
  • If
    At least one of

    • Disease is active
    • Has game rule: Disabled
    • =0
  • Otherwise, if
    Has game rule: 1346
    • If
      Date: 1346.10.1–1836
      • =1
    • Otherwise, if
      Date: 1346–1836
      • =0.2
    • Otherwise
      • =0
  • Otherwise, if
    Has game rule: Random
    • If
      It is the Renaissance
      • =0.005
    • Otherwise, if
      It is the Discovery
      • =0.01
    • Otherwise, if
      It is the Reformation
      • =1
    • Otherwise
      • =0
  • Otherwise
    • =0

R0

• If
  At least one of

  • Topography: MountainsorWetlands
  • Vegetation: DesertorJungle
  • Climate: ArcticorTropical
  • Location Rank: Rural Settlement
  • =
• Otherwise, if
  Location Rank: Town
  • =
• Otherwise
  • =
• If
  Has a Market VillageorMarketplaceorSlave MarketorEntrepôtorTrading HuborStock Exchange with at least one level
  • ×1.2
• If
  At least one of

  • Disease has stagnated
  • Disease Resistance (Disease) > 0.5
  • −
  • If
    Disease presence

    • Disease: Disease
    • Value ≤ 0.2
    • −0.3

Effects

When it appears

If

Black Death

• Situation is NOT active
• Situation has ended

ThenRandom ownable locationwhere

• Has a total population of > 1,000 (currently: )
• • Vegetation: GrasslandsorWoodsorForestorJungle
  • Region: MadagascarorSouthern AfricaorZimbabweorSwahili CoastorGreat LakesorKongoorWestern IndiaorDeccanorBengalorIndochinaorSouth ChinaorMongoliaorXinjiangorTibetorKhorasanorCaucasusorPontic Steppe

  ↗
• If

  Black Death

  • Situation is NOT active
  • Situation has NOT ended

  ThenContinent: AsiaorEuropeorAfricaorOceania
• Disease Resistance (Disease) < 0.5

Disease emerges with 100% presence

Else if

Black Death

• Situation is active
• Situation has NOT ended

Then

Otherwise

Random ownable locationwhere

• Has a total population of > 1,000 (currently: )
• At least one of

  • All of

    • Has game rule: Central Asia
    • Area: Desht-i KipchakorAstrakhanorLower Yaik
  • All of

    • Has game rule: Random
    • At least one of

      • Continent: AsiaorEurope
      • Subcontinent: North Africa
• Disease Resistance (Disease) < 0.5

• Disease emerges with 100% presence
• If

  Black Death

  • Situation is NOT active
  • Situation has NOT ended

  Then

  • Activate situation: Black Death
  • Black Death
    Set variable

    • Name: original_outbreak
    • Value: Outbreak
  • Add timeline note
    • Key: timeline_note_black_death
    • Location: This
    • Show in pop graph: yes
    • Unique: yes

Exact script

When it spreads to a country

The Event 'Black Death Spreads!' happens

Exact script

Connections

Requires 24

Situations

• Black DeathMonthly spawn chance, When it appears

Ages

• RenaissanceMonthly spawn chance
• DiscoveryMonthly spawn chance
• ReformationMonthly spawn chance

Buildings

• EntrepôtR0
• Market VillageR0
• MarketplaceR0
• Slave MarketR0
• Stock ExchangeR0
• Trading HubR0

Show all 24

Triggers 1

• Black Death Spreads!When it spreads to a country

Grants 1

• Black DeathWhen it appears

References 8

Situations

• Black DeathWhen it appears

Traits

• Bubonic PlagueCharacter trait

Modifier Types

• Bubonic Plague Character Mortality ChanceCharacter mortality chance
• Bubonic Plague Growthlocal_bubonic_plague_growth_modifierby nameModifier types
• Bubonic Plague Impactby nameModifier types
• Bubonic Plague Resistancelocal_bubonic_plague_resistance_modifierby nameModifier types
• Bubonic Plague Growthnational_bubonic_plague_growth_modifierby nameModifier types
• Bubonic Plague Resistancenational_bubonic_plague_resistance_modifierby nameModifier types

Required by 38

Events

• Countryside EscapeOption 1, Trigger
• Conflict of FadsAs soon as it happens, Option 2…
• Black Death Reaches the ThroneTrigger
• The Dire DeathAs soon as it happens, Trigger
• In Hunt for a CauseOption 2, Trigger
• The Maid DraftTrigger
• Delhi's DilemmaTrigger
• Ghost Ship Washes AshoreOption 2, Trigger
• Campaign WoesTrigger
• Plague-as-PunishmentAs soon as it happens, Option 1…

Show all 38

Granted by 2

• Disease in the HeartlandOption
• DDisease MenuOption 1

Changed by 8

Events

• Conflict of FadsOption 2
• Ghost Ship Washes AshoreOption 2
• Plague-as-PunishmentOption 1
• Refugees at the GatesOption 1
• Expired MedicamentsOption 2
• Social CravingsOption 1
• Learning From The PlagueOption 1
• The Black Death Spreads!Option

Referenced by 2

• Silk Road CrisisWeight multiplier
• Plague UnrestWeight multiplier

Mentioned in 8

Events

• The Yoke of SerfdomDesc
• Disease in the HeartlandDesc

Game Rule Settings

• 11346Desc
• DDisabledDesc
• RRandomblack_death_date_randomDesc
• CCentral AsiaDesc
• RRandomblack_death_origin_randomDesc

Modifier Types

• Bubonic Plague Character Mortality ChanceDesc

Scripting 9

Grants 1

• Ooriginal_outbreakWhen it appears

Uses 1

• Iis_endemic_bubonic_plague_locationWhen it appears

Referenced by 1

• Hhas_any_disease_presentDisease presence

Mentioned in 1

• Disease ResistanceDesc

Weighed by the AI in 5

Actions

• Present ScapegoatsAi will do
• Procure RemediesAi will do
• Isolate CitiesAi will do
• Repeal 'Procure Remedies'Ai will do
• Repeal 'Expel the Sick'Ai will do

Definitionin_game/common/diseases/bubonic_plague.txt:1

Show the whole script (371 lines)

History