gok_war_target_evaluation_and_declaration_effect

gok_war_target_evaluation_and_declaration_effect = {
	save_scope_as = actor
	if = {
		limit = {
			mpo_offer_submission_or_ruin_shown_actor_trigger = yes
			mpo_offer_submission_or_ruin_valid_actor_trigger = yes
		}
		# Set the Mongol Emperor as reference point
		save_scope_as = mongol_emperor
		add_character_flag = {
			flag = free_mongol_cb
			days = 14
		}
		# Select a new target
		random_neighboring_top_liege_realm_owner = {
			limit = {
				NOT = { is_at_war_with = scope:mongol_emperor }
				NOT = { is_allied_to = scope:mongol_emperor }
				NOT = { this = scope:mongol_emperor }
				NOT = { top_liege = scope:mongol_emperor }
				save_temporary_scope_as = truce_check
				NOT = {
					scope:mongol_emperor = {
						any_truce_target = {
							this = scope:truce_check
						}
					}
				}
				trigger_if = { # We don't want the Byzantine empire to get annihilated immediately
					limit = {
						OR = {
							has_primary_title = title:e_byzantium
							has_primary_title = title:e_latin_empire
						}
					}
					OR = {
						 # This is not the 'historical' Mongol Empire, all bets are off
						NOT = {
							scope:mongol_emperor = {
								any_held_title = {
									this = title:e_mongol_empire
								}
							}
						}
						current_year < 1178
						current_year >= 1279 # Roughly when the mongols should fracture historically
						scope:mongol_emperor = {
							completely_controls_region = special_mongol_empire_golden_horde_region # Controls all of Russia and the Steppe
						}
						any_realm_county = { # Byzantium is expansionist
							count >= 50
							title_province = {
								OR = {
									geographical_region = special_mongol_empire_conquest_region_prio_5
									geographical_region = special_mongol_empire_conquest_region_prio_4
									geographical_region = special_mongol_empire_conquest_region_prio_3
									geographical_region = special_mongol_empire_conquest_region_prio_2
									geographical_region = special_mongol_empire_conquest_region_prio_1
									geographical_region = special_mongol_empire_conquest_region_prio_1_alpha
								}
							}
						}
					}
				}
				save_temporary_scope_as = recipient
				mpo_offer_submission_or_ruin_shown_recipient_trigger = yes
				mpo_offer_submission_or_ruin_valid_recipient_trigger = yes
			}
			weight = {
				base = 0
				modifier = {
					add = mongol_invasion_target_character_weight
					always = yes
				}
				#Should only attack China when very strong
				modifier = {
					factor = 0.1
					primary_title = title:h_china
					current_military_strength >= scope:mongol_emperor.half_current_military_strength
				}
			}
			save_temporary_scope_as = next_invasion_target
			primary_title = {
				save_temporary_scope_as = next_invasion_title_target
			}
		}
		if = {
			limit = {
				exists = scope:next_invasion_target
			}
			if = {
				limit = { # Declare war on every same-tier count or duke in same empire
					scope:next_invasion_target = {
						OR = {
							highest_held_title_tier = tier_county
							highest_held_title_tier = tier_duchy
						}
					}
				}
				scope:next_invasion_title_target = {
					add_to_temporary_list = all_titles_to_declare_on
					empire = {
						every_in_de_jure_hierarchy = { # Find all other same-tier titles in same de jure empire
							continue = {
								tier > tier_county
								# Stop searching if you hit the Mongol Emperor's territory at any point
								trigger_if = {
									limit = { exists = holder }
									NOT = { holder = scope:mongol_emperor }
									NOT = { holder.top_liege = scope:mongol_emperor }
								}
							}
							limit = {
								exists = this
								OR = {
									tier = tier_county
									tier = tier_duchy
								}
								exists = holder
								holder = {

As written in game/common/scripted_effects/09_mpo_greatest_of_khans_effects.txt.