From 92ac6147a1b85c71b3393e099e290b7f215561f1 Mon Sep 17 00:00:00 2001
From: Sestain <sestain3850@protonmail.com>
Date: Mon, 16 Mar 2026 05:08:13 +0200
Subject: [PATCH] Fix game crashing if DLC has XMLVERSION paramater

---
 Minecraft.Client/Common/DLC/DLCManager.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Minecraft.Client/Common/DLC/DLCManager.cpp b/Minecraft.Client/Common/DLC/DLCManager.cpp
index 931b0e1d9d..31e72b9823 100644
--- a/Minecraft.Client/Common/DLC/DLCManager.cpp
+++ b/Minecraft.Client/Common/DLC/DLCManager.cpp
@@ -400,6 +400,7 @@ bool DLCManager::processDLCDataFile(DWORD &dwFilesProcessed, PBYTE pbData, DWORD
 	unsigned int uiParameterCount=*(unsigned int *)&pbData[uiCurrentByte];
 	uiCurrentByte+=sizeof(int);
 	C4JStorage::DLC_FILE_PARAM *pParams = (C4JStorage::DLC_FILE_PARAM *)&pbData[uiCurrentByte];
+	bool bXMLVersion = false;
 	//DWORD dwwchCount=0;
 	for(unsigned int i=0;i<uiParameterCount;i++)
 	{
@@ -410,11 +411,22 @@ bool DLCManager::processDLCDataFile(DWORD &dwFilesProcessed, PBYTE pbData, DWORD
 		{
 			parameterMapping[pParams->dwType] = type;
 		}
+
+		if (parameterName == L"XMLVERSION")
+		{
+			bXMLVersion = true;
+		}
+
 		uiCurrentByte+= sizeof(C4JStorage::DLC_FILE_PARAM)+(pParams->dwWchCount*sizeof(WCHAR));
 		pParams = (C4JStorage::DLC_FILE_PARAM *)&pbData[uiCurrentByte];
 	}
 	//ulCurrentByte+=ulParameterCount * sizeof(C4JStorage::DLC_FILE_PARAM);
 
+	if (bXMLVersion)
+	{
+		uiCurrentByte += sizeof(int);
+	}
+
 	unsigned int uiFileCount=*(unsigned int *)&pbData[uiCurrentByte];
 	uiCurrentByte+=sizeof(int);
 	C4JStorage::DLC_FILE_DETAILS *pFile = (C4JStorage::DLC_FILE_DETAILS *)&pbData[uiCurrentByte];