Exchange Hostages

is_available = trigger_if = {
	limit = {
		is_ai = yes
	}
	highest_held_title_tier >= tier_county
	is_adult = yes
	NOT = {
		has_variable = conqueror
	}
}
is_shown = scope:recipient != scope:actor
NOT = {
	scope:recipient = {
		government_has_flag = government_is_herder
	}
}
scope:actor.highest_held_title_tier > tier_barony
OR = {
	scope:recipient.highest_held_title_tier > tier_barony
	scope:recipient.liege ?= {
		highest_held_title_tier > tier_barony
		any_close_family_member = {
			this = scope:recipient
			bp2_valid_to_offer_as_hostage_trigger = {
				SENDER = scope:recipient.liege
			}
		}
	}
}
NOR = {
	scope:actor = {
		government_has_flag = government_is_landless_adventurer
	}
	scope:recipient = {
		government_has_flag = government_is_landless_adventurer
	}
}
trigger_if = {
	limit = {
		scope:actor.top_liege != scope:actor
		scope:actor.top_liege ?= {
			government_has_flag = government_has_merit
		}
	}
	NAND = {
		scope:actor = {
			government_has_flag = government_has_merit
		}
		scope:recipient = {
			government_has_flag = government_has_merit
		}
	}
	NOT = {
		scope:recipient = scope:actor.top_liege
	}
}

As written in game/common/character_interactions/05_bp2_interactions.txt.

scope:actor = {
	NOR = {
		is_at_war_with = scope:recipient
		is_allied_to = scope:recipient
		government_has_flag = government_is_theocracy
		scope:recipient = {
			government_has_flag = government_is_theocracy
		}
		custom_tooltip = {
			text = already_has_your_hostage_tt
			scope:recipient = {
				any_warden_hostage = {
					home_court ?= scope:actor
				}
			}
		}
		custom_tooltip = {
			text = already_have_their_hostage_tt
			any_warden_hostage = {
				home_court ?= scope:recipient
			}
		}
		custom_description = {
			text = hostage_already_travelling_tt
			subject = scope:recipient
			object = scope:actor
			any_close_family_member = {
				exists = var:hostage_travelling_to_warden
				var:hostage_travelling_to_warden = scope:recipient
			}
		}
		custom_description = {
			text = hostage_already_travelling_tt
			subject = scope:actor
			object = scope:recipient
			scope:recipient = {
				any_close_family_member = {
					exists = var:hostage_travelling_to_warden
					var:hostage_travelling_to_warden = scope:actor
				}
			}
		}
	}
	OR = {
		is_landless_ruler = no
		is_landless_administrative = yes
	}
	trigger_if = {
		limit = {
			is_ai = yes
			exists = scope:secondary_actor
		}
		NOT = {
			scope:secondary_actor = {
				has_character_flag = ai_should_not_demand_hostage
			}
		}
	}
	trigger_else = {
		scope:recipient = {
			custom_description = {
				text = basic_valid_hostage_to_demand
				subject = scope:actor
				object = scope:recipient
				any_close_family_member = {
					bp2_valid_to_offer_as_hostage_trigger = {
						SENDER = scope:recipient
					}
				}
			}
		}
	}
	trigger_if = {
		limit = {
			is_ai = yes
			exists = scope:secondary_actor
		}
		NOT = {
			scope:secondary_actor = {
				has_character_flag = ai_should_not_offer_hostage
			}
		}
	}
	trigger_else = {
		custom_description = {
			text = basic_valid_hostage_to_offer
			object = scope:recipient
			subject = scope:actor
			any_close_family_member = {
				bp2_valid_to_offer_as_hostage_trigger = {
					SENDER = scope:actor
				}
			}
		}
	}
}
scope:recipient = {
	OR = {
		is_landless_ruler = no
		is_landless_administrative = yes
	}
}
trigger_if = {
	limit = {
		exists = scope:secondary_recipient
		exists = scope:recipient
	}
	scope:secondary_recipient = {
		bp2_valid_to_offer_as_hostage_trigger = {
			SENDER = scope:recipient
		}
	}
}
trigger_if = {
	limit = {
		exists = scope:secondary_actor
		exists = scope:actor
	}
	scope:secondary_actor = {
		bp2_valid_to_offer_as_hostage_trigger = {
			SENDER = scope:actor
		}
	}
}
tgp_blocked_action_against_tenno_trigger = {
	ACTOR = scope:actor
	TARGET = scope:recipient
}
scope:actor = {
	trigger_if = {
		limit = {
			is_ai = yes
		}
		bp2_valid_to_exchange_hostage_ai_trigger = yes
		NOR = {
			scope:secondary_actor = {
				any_close_family_member = {
					is_ai = no
					OR = {
						is_parent_of = scope:secondary_actor
						is_grandparent_of = scope:secondary_actor
					}
					this != scope:actor
				}
			}
			scope:secondary_recipient = {
				any_close_family_member = {
					is_ai = no
					OR = {
						is_parent_of = scope:secondary_recipient
						is_grandparent_of = scope:secondary_recipient
					}
					this != scope:recipient
				}
			}
			var:hostage_died ?= scope:recipient
		}
	}
}
scope:secondary_actor = {
	custom_tooltip = {
		text = hostage_already_offered_awaiting_response_tt
		NOT = {
			has_character_flag = under_offer_as_hostage_flag
		}
	}
	trigger_if = {
		limit = {
			is_adult = yes
		}
		OR = {
			AND = {
				custom_tooltip = {
					text = hostage_opinion_too_low_tt
					opinion = {
						target = scope:actor
						value >= -25
					}
					NOT = {
						has_trait = disloyal
					}
				}
			}
			has_trait = loyal
		}
	}
}
scope:secondary_recipient = {
	custom_tooltip = {
		text = hostage_already_offered_awaiting_response_tt
		NOT = {
			has_character_flag = under_offer_as_hostage_flag
		}
	}
	trigger_if = {
		limit = {
			is_adult = yes
		}
		OR = {
			AND = {
				custom_tooltip = {
					text = hostage_opinion_too_low_tt
					opinion = {
						target = scope:recipient
						value >= -25
					}
					NOT = {
						has_trait = disloyal
					}
				}
			}
			has_trait = loyal
		}
	}
}

As written in game/common/character_interactions/05_bp2_interactions.txt.

on_send = scope:secondary_actor = {
	add_character_flag = {
		flag = under_offer_as_hostage_flag
		months = 1
	}
}
scope:secondary_recipient = {
	add_character_flag = {
		flag = under_offer_as_hostage_flag
		months = 1
	}
}
on_accept = scope:actor = {
	save_scope_as = hostage_sender_1
}
scope:secondary_actor = {
	save_scope_as = hostage_1
}
scope:recipient = {
	save_scope_as = hostage_sender_2
}
scope:secondary_recipient = {
	save_scope_as = hostage_2
}
custom_description_no_bullet = {
	text = hostage_pacts_on_arrival_tt
}
custom_description_no_bullet = {
	text = hostage_execution_warning_tt
}
custom_description_no_bullet = {
	text = hostage_attack_warning_tt
}
hostage_depart_effect = {
	HOSTAGE = scope:hostage_1
	WARDEN = scope:hostage_sender_2
	HOME_COURT = scope:hostage_sender_1
}
hostage_depart_effect = {
	HOSTAGE = scope:hostage_2
	WARDEN = scope:hostage_sender_1
	HOME_COURT = scope:hostage_sender_2
}
scope:actor = {
	trigger_event = char_interaction.0332
}
if = {
	limit = {
		scope:actor = {
			government_has_flag = government_is_clan
		}
		scope:actor.house = scope:recipient.house
	}
	add_clan_unity_interaction_effect = {
		CHARACTER = scope:actor
		TARGET = scope:recipient
		VALUE = medium_unity_loss
		DESC = clan_unity_hostage.desc
		REVERSE_NON_HOUSE_TARGET = no
	}
}
scope:actor.house = {
	change_house_relation_effect = {
		HOUSE = scope:recipient.house
		VALUE = house_relation_improve_medium_value
		REASON = hostage_exchange
		CHAR = scope:actor
		TARGET_CHAR = scope:recipient
		TITLE = scope:dummy_gender
	}
}
on_decline = scope:actor = {
	trigger_event = char_interaction.0311
}
scope:secondary_actor = {
	remove_character_flag = under_offer_as_hostage_flag
}
scope:secondary_recipient = {
	remove_character_flag = under_offer_as_hostage_flag
}

As written in game/common/character_interactions/05_bp2_interactions.txt.