From b9ca6b820928b43c17eb503b3a0eb1457a6a6019 Mon Sep 17 00:00:00 2001
From: AlexG345 <alexgernez1@gmail.com>
Date: Wed, 13 May 2026 12:46:58 +0200
Subject: [PATCH] add handling of duplicator.ConstraintType functions for
 BuildDupeInfo

---
 lua/advdupe2/sv_misc.lua | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/lua/advdupe2/sv_misc.lua b/lua/advdupe2/sv_misc.lua
index 30ff813..24f2d35 100644
--- a/lua/advdupe2/sv_misc.lua
+++ b/lua/advdupe2/sv_misc.lua
@@ -79,9 +79,8 @@ local function SavePositions( Constraint )
 	end
 end
 
-local function monitorConstraint(name)
-	local oldFunc = constraint[name]
-	constraint[name] = function(...)
+local function replaceConstraintFunction(oldFunc)
+	return function(...)
 		local Constraint, b, c = oldFunc(...)
 		if Constraint and Constraint:IsValid() then
 			SavePositions(Constraint)
@@ -89,6 +88,12 @@ local function monitorConstraint(name)
 		return Constraint, b, c
 	end
 end
+
+local function monitorConstraint(name)
+	local desc			= duplicator.ConstraintType[name]
+	desc.Func			= replaceConstraintFunction(desc.Func)
+	constraint[name]	= replaceConstraintFunction(constraint[name])
+end
 monitorConstraint("AdvBallsocket")
 monitorConstraint("Axis")
 monitorConstraint("Ballsocket")