Diplomacy

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Revision as of 08:59, 31 July 2020 by Jordi Engel (talk | contribs) (Adding rudimentary information regarding AI personalities)
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When commanders meet on the planet they can start to engage in diplomacy. Diplomacy allows players to make treaties and pacts, trade resources or declare war. Most diplomacy mechanics are disabled in games with teams enabled.

Diplomatic state

The diplomatic state represents the degree of mutual cooperation between two commanders. Diplomatic states further affect opinions, race relations and reputation. As the diplomatic state between two commanders increases, they will have an increased base opinion and be able form better treaties.

The reputation of a player is affected by all diplomatic states with others. Having better diplomatic states increases reputation, where having wars or breaking a diplomatic pact lowers reputation.

Diplomatic state Effects Opinion Reputation Race reputation
DiplomaticState Alliance.png Alliance
  • Share intelligence treaty
  • Allies can be called into any war
  • Allows allied victory
+400 +150 +200
DiplomaticState DefensiveAlliance.png Defensive pact
  • Unlocks share vision treaty
  • Unlocks alliance
  • Members can be called into defensive wars
  • Adjacent stacks can join each other in battle
+100 +200 +100
DiplomaticState Peace.png Non-aggression pact
  • Unlocks open borders treaty
  • Unlocks good neighbors treaty
  • Unlocks defensive pact
+50 +100 +50
DiplomaticState Neutral.png Neutral
  • Can declare war without any turn delay
0 0 0
DiplomaticState War.png War
  • Unlocks truce treaty
  • Unlocks call to war action towards other commanders
  • Unlocks demands and offers of vassalage
- depends on casus belli -

Vassalage

Vassalage is a locked diplomatic state that can be offered or asked for during war. A commander in a vassalage state has limited diplomatic options:

  • Only the overlord can end the vassalage by declaring war
  • Only the overlord can call the vassal to war and the vassal is forced to accept
  • Vassal commanders can no longer denounce or warn other commanders
  • Treaties cannot be broken by the vassal
  • The vassal is freed if the overlord is defeated

Casus belli

Casus belli (CB for short), or reasons for war, represent a point value that are used to denounce commanders and declare war on them. Declaring war without a CB reduces popular support while using a CB increases it depending on the amount of CB. CBs are obtained when a commanders is actively provoked by another commander, through the Operations CovertOps FabricateCasusBelli.png Fabricate Casus belli covert operation or automatically by having a low reputation or race relation. CB can be resolved through either war or negotiation.

Automatic CBs are received by having a low reputation or race relation with the race of the opposing player. They can not be forgiven through negotiation but can be used in war declarations.

Popular support

Popular support represents how supportive a commander's population is when they lead their faction into war. High popular support causes less unit upkeep, higher morale units and more Happiness.png Happiness in colonies while low popular support does the opposite.

Declaring war without any CB leads to a high popular support penalty while the war lasts. Declaring war with a CB grants popular support for a limited time. When a war ends the popular support gained or lost during that war is reset.

Grudges

Each CB held towards a commander reduces opinion by 50. If a CB are removed via negotiation the grudge opinion generated by that CB will be reduced by 20 each turn.

Personalities

As of the Diplodocus Patch (ver. 1.300) AI controlled players have a personality, which introduces a whole new way of interacting with them and gives you more agency in steering the relationship you have with them. These personalities consist of two traits:

The Strategy Trait This trait determines how the AI will go about managing their empire, what kind of focus they will have as a player and what their general diplomatic plans will be. For example: The Operative might put in more research into covert operations and deploy those more often where the Mercantile player is more focused on building an economy and dealing with NPC factions.

The Preference Trait This trait is all about what kind of things the player will like and what they dislike, it offers you more ways of influencing their opinion of you. For example the Xenophobe player will dislike it if you become too close friends with the NPC factions but the Elitist player will adore you for parading large armies.

A player won't know the Personality traits of a AI player from the start, they can be discovered through multiple ways. Both can be discovered through infiltrating the other player or by sharing an intelligence sharing pact with them. However, you also discover the Preference trait by simply interacting with the other player by trading, complementing (or insulting) or denouncing them. You also discover the trait once you trigger one of their likes and dislikes if you like a bit of a gamble. Once discovered, the traits will show you how they influence the AI and what things trigger this like or dislike.

Preference Traits

  • Xenophile
  • Xenophobe
  • Elitist
  • Compassionate
  • Militarist
  • Pacifist
  • Loyal
  • Treacherous
  • Ruthless

Strategy Traits

  • Warmonger
  • Mercantile
  • Technologist
  • Operative
  • Generalist