From 11315a81b5c11a82c422015469c747357bd82547 Mon Sep 17 00:00:00 2001
From: Troy <5659019+troyhacks@users.noreply.github.com>
Date: Sun, 14 Apr 2024 15:32:13 -0400
Subject: [PATCH] unsigned wraparound prevention

---
 .../usermod_v2_auto_playlist/usermod_v2_auto_playlist.h    | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/usermods/usermod_v2_auto_playlist/usermod_v2_auto_playlist.h b/usermods/usermod_v2_auto_playlist/usermod_v2_auto_playlist.h
index ffd057da..afe5852f 100644
--- a/usermods/usermod_v2_auto_playlist/usermod_v2_auto_playlist.h
+++ b/usermods/usermod_v2_auto_playlist/usermod_v2_auto_playlist.h
@@ -167,7 +167,12 @@ class AutoPlaylistUsermod : public Usermod {
 
         if (change_interval > ideal_change_min && distance_tracker <= MAX_DISTANCE_TRACKER) {
           
-          change_threshold_change = distance_tracker-change_threshold;
+          if (distance_tracker >= change_threshold) {
+            change_threshold_change = distance_tracker-change_threshold;
+          } else {
+            change_threshold_change = change_threshold-distance_tracker;
+          }
+          
           change_threshold = distance_tracker;
 
           if (change_threshold_change > 9999) change_threshold_change = 0; // cosmetic for debug