Midgame Antagonist (#10477)

code/controllers/subsystems/job.dm

@@ -403,6 +403,18 @@
 
 	INVOKE_ASYNC(GLOBAL_PROC, .proc/show_location_blurb, H.client, 30)
 
+	if(joined_late)
+		var/antag_count = 0
+		for(var/antag_type in SSticker.mode.antag_tags)
+			var/datum/antagonist/A = all_antag_types[antag_type]
+			antag_count += A.get_active_antag_count()
+		for(var/antag_type in SSticker.mode.antag_tags)
+			var/datum/antagonist/A = all_antag_types[antag_type]
+			A.update_current_antag_max()
+			if((A.role_type in H.client.prefs.be_special_role) && !(A.flags & ANTAG_OVERRIDE_JOB) && antag_count < A.cur_max)
+				A.add_antagonist(H.mind)
+				break
+
 	Debug("ER/([H]): Completed.")
 
 	return H

html/changelogs/geeves-midgame_antag.yml

@@ -0,0 +1,6 @@
+author: Geeves
+
+delete-after: True
+
+changes: 
+  - rscadd: "People who latejoin can now be turned into antags as well, provided they have the role preference selected, it's a station antag, and amount of antags is lower than or equal to the living player count divided by the antag count coeff."