Smartgun IFF weird fixes

code/modules/projectiles/guns/smartgun.dm

@@ -341,14 +341,30 @@
 
 	var/extended_target_turf = get_angle_target_turf(user, angle, range_to_check)
 
-	var/turf/current_turf = get_turf(user)
+	var/turf/user_turf = get_turf(user)
 
-	if(!current_turf || !extended_target_turf)
+	if(!user_turf || !extended_target_turf)
 		return COMPONENT_CANCEL_GUN_BEFORE_FIRE
 
-	var/list/checked_turfs = getline2(current_turf, extended_target_turf)
+	var/list/checked_turfs = getline2(user_turf, extended_target_turf)
 
-	checked_turfs -= current_turf
+	checked_turfs -= user_turf
+
+	//At some angles (scatter or otherwise) the original target is not in checked_turfs so we put it in there in order based on distance from user
+	//If we are literally clicking on someone with IFF then we don't want to fire, feels funny as a user otherwise
+	if(projectile_to_fire.original)
+		var/turf/original_target_turf = get_turf(projectile_to_fire.original)
+
+		if(original_target_turf && !(original_target_turf in checked_turfs))
+			var/user_to_target_dist = get_dist(user_turf, original_target_turf)
+			var/list/temp_checked_turfs = checked_turfs
+			checked_turfs = list()
+
+			for(var/turf/checked_turf as anything in temp_checked_turfs)
+				if(!(original_target_turf in checked_turfs) && user_to_target_dist < get_dist(user_turf, checked_turf))
+					checked_turfs += original_target_turf
+
+				checked_turfs += checked_turf
 
 	for(var/turf/checked_turf as anything in checked_turfs)
 
@@ -357,7 +373,10 @@
 			return
 
 		for(var/mob/living/checked_living in checked_turf)
-			if(!checked_living.lying && checked_living.get_target_lock(user.faction_group))
+			if(checked_living.lying && projectile_to_fire.original != checked_living)
+				continue
+
+			if(checked_living.get_target_lock(user.faction_group))
 				if(COOLDOWN_FINISHED(src, iff_halt_cooldown))
 					playsound_client(user.client, 'sound/weapons/smartgun_fail.ogg', src, 25)
 					to_chat(user, SPAN_WARNING("[src] halts firing as an IFF marked target crosses your field of fire!"))