From 1f7643db035c5ee1afcde359baebe38cbb59ad04 Mon Sep 17 00:00:00 2001
From: Shauren <shauren.trinity@gmail.com>
Date: Sat, 2 Nov 2024 12:32:21 +0100
Subject: Core/PacketIO: Fixed SMSG_UPDATE_OBJECT fragment changes mask
 initialization

(cherry picked from commit 0435f22d0d58589d0d6a4c9c764ce20a01e196e5)
---
 src/server/game/Entities/Object/Updates/WowCSEntityDefinitions.cpp | 3 +++
 src/server/game/Entities/Object/Updates/WowCSEntityDefinitions.h   | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/server/game/Entities/Object/Updates/WowCSEntityDefinitions.cpp b/src/server/game/Entities/Object/Updates/WowCSEntityDefinitions.cpp
index 928fc525c70..c68a657c066 100644
--- a/src/server/game/Entities/Object/Updates/WowCSEntityDefinitions.cpp
+++ b/src/server/game/Entities/Object/Updates/WowCSEntityDefinitions.cpp
@@ -52,7 +52,10 @@ void EntityFragmentsHolder::Add(EntityFragment fragment, bool update)
         {
             UpdateableMasks[i] = 1 << maskIndex++;
             if (IsIndirectFragment(UpdateableIds[i]))
+            {
+                ContentsChangedMask |= UpdateableMasks[i]; // set the first bit to true to activate fragment
                 UpdateableMasks[i] |= 1 << maskIndex++;
+            }
         }
     }
 
diff --git a/src/server/game/Entities/Object/Updates/WowCSEntityDefinitions.h b/src/server/game/Entities/Object/Updates/WowCSEntityDefinitions.h
index a98afa79a2d..42d1ec52063 100644
--- a/src/server/game/Entities/Object/Updates/WowCSEntityDefinitions.h
+++ b/src/server/game/Entities/Object/Updates/WowCSEntityDefinitions.h
@@ -83,7 +83,7 @@ struct EntityFragmentsHolder
     std::array<EntityFragment, 2> UpdateableIds = { EntityFragment::End, EntityFragment::End };
     std::array<uint8, 2> UpdateableMasks = { };
     uint8 UpdateableCount = 0;
-    uint8 ContentsChangedMask = CGObjectActiveMask;
+    uint8 ContentsChangedMask = 0;
 
     void Add(EntityFragment fragment, bool update);
     void Remove(EntityFragment fragment);
-- 
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