3rd Party Victory Music (WY, UPP, CLF, USCM)

code/game/gamemodes/cm_process.dm

@@ -244,6 +244,35 @@ GLOBAL_VAR_INIT(next_admin_bioscan, 30 MINUTES)
 
 	return num_marines
 
+/datum/game_mode/proc/count_per_faction(list/z_levels = SSmapping.levels_by_any_trait(list(ZTRAIT_GROUND, ZTRAIT_RESERVED, ZTRAIT_MARINE_MAIN_SHIP)))
+	var/num_marines = 0
+	var/num_WY = 0
+	var/num_UPP = 0
+	var/num_CLF = 0
+	var/num_headcount = 0
+
+	for(var/faction_member in GLOB.alive_human_list)
+		var/mob/living/carbon/human/current_human = faction_member
+		if(!(current_human.z && (current_human.z in z_levels) && !istype(current_human.loc, /turf/open/space)))
+			continue
+		if(current_human.faction in FACTION_LIST_WY || current_human.job == "Corporate Liaison") //The CL is assigned the USCM faction for gameplay purposes
+			num_WY++
+			num_headcount++
+			continue
+		if(current_human.faction == FACTION_UPP)
+			num_UPP++
+			num_headcount++
+			continue
+		if(current_human.faction == FACTION_CLF)
+			num_CLF++
+			num_headcount++
+			continue
+		if(current_human.faction == FACTION_MARINE)
+			num_marines++
+			num_headcount++
+			continue
+		num_headcount++
+	return list(num_marines,num_WY,num_UPP,num_CLF,num_headcount)
 
 /*
 #undef QUEEN_DEATH_COUNTDOWN

code/game/gamemodes/colonialmarines/colonialmarines.dm

@@ -372,7 +372,21 @@
 				round_statistics.current_map.total_marine_victories++
 				round_statistics.current_map.total_marine_majors++
 		if(MODE_INFESTATION_X_MINOR)
-			musical_track = pick('sound/theme/neutral_melancholy1.ogg','sound/theme/neutral_melancholy2.ogg')
+			var/living_player_list[] = count_humans_and_xenos(EvacuationAuthority.get_affected_zlevels())
+			if(living_player_list[1] && !living_player_list[2]) // If Xeno Minor but Xenos are dead and Humans are alive, see which faction is the last standing
+				var/headcount = count_per_faction()
+				var/living= headcount[5]
+				var/majority = 0.5 // What percent do we consider a 'majority?'
+				if ((headcount[2] / living) > majority) // headcount[2] = Weyland-Yutani
+					musical_track = pick('sound/theme/LastManStanding_WY.ogg')
+				else if ((headcount[3] / living) > majority) // headcount[3] = UPP
+					musical_track = pick('sound/theme/LastManStanding_UPP.ogg')
+				else if ((headcount[4] / living) > majority) // headcount[4] = CLF
+					musical_track = pick('sound/theme/LastManStanding_CLF.ogg')
+				else if ((headcount[1] / living) > majority) // headcount[1] = Marines
+					musical_track = pick('sound/theme/neutral_melancholy2.ogg') //This is the theme song for Colonial Marines the game, fitting
+			else
+				musical_track = pick('sound/theme/neutral_melancholy1.ogg')
 			end_icon = "xeno_minor"
 			if(round_statistics && round_statistics.current_map)
 				round_statistics.current_map.total_xeno_victories++