Merge pull request #3593 from Citadel-Station-13/revert-3584-revert-3580-upstream-merge-31560

Revert "Revert "[MIRROR] Late join antagonists will try to target late join players""

code/datums/mind.dm

@@ -64,6 +64,7 @@
 	var/mob/living/enslaved_to //If this mind's master is another mob (i.e. adamantine golems)
 	var/datum/language_holder/language_holder
 	var/unconvertable = FALSE
+	var/late_joiner = FALSE
 
 /datum/mind/New(var/key)
 	src.key = key

code/game/gamemodes/objective.dm

@@ -54,9 +54,22 @@
 /datum/objective/proc/find_target()
 	var/list/datum/mind/owners = get_owners()
 	var/list/possible_targets = list()
+	var/try_target_late_joiners = FALSE
+	for(var/I in owners)
+		var/datum/mind/O = I
+		if(O.late_joiner)
+			try_target_late_joiners = TRUE
 	for(var/datum/mind/possible_target in get_crewmember_minds())
 		if(!(possible_target in owners) && ishuman(possible_target.current) && (possible_target.current.stat != DEAD) && is_unique_objective(possible_target))
 			possible_targets += possible_target
+	if(try_target_late_joiners)
+		var/list/all_possible_targets = possible_targets.Copy()
+		for(var/I in all_possible_targets)
+			var/datum/mind/PT = I
+			if(!PT.late_joiner)
+				possible_targets -= PT
+		if(!possible_targets.len)
+			possible_targets = all_possible_targets
 	if(possible_targets.len > 0)
 		target = pick(possible_targets)
 	update_explanation_text()

code/modules/mob/dead/new_player/new_player.dm

@@ -480,6 +480,8 @@
 	client.prefs.copy_to(H)
 	H.dna.update_dna_identity()
 	if(mind)
+		if(transfer_after)
+			mind.late_joiner = TRUE
 		mind.active = 0					//we wish to transfer the key manually
 		mind.transfer_to(H)					//won't transfer key since the mind is not active