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Fix game crashing if DLC has XMLVERSION paramater (#1285)

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* Fix game crashing if DLC has XMLVERSION paramater

* Better implementation of XMLVersion check

* Forgot to add type name to the list

* Removed extra newline
This commit is contained in:
Sestain
2026-03-27 22:11:27 +02:00
committed by GitHub
parent 3c1166c45e
commit 7447fabe0d
2 changed files with 15 additions and 1 deletions
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13
Minecraft.Client/Common/DLC/DLCManager.cpp
View File

@@ -10,6 +10,7 @@
const WCHAR *DLCManager::wchTypeNamesA[]=
{
L"XMLVERSION",
L"DISPLAYNAME",
L"THEMENAME",
L"FREE",
@@ -405,6 +406,7 @@ bool DLCManager::processDLCDataFile(DWORD &dwFilesProcessed, PBYTE pbData, DWORD
unsigned int uiParameterCount=readUInt32(&pbData[uiCurrentByte], bSwapEndian);
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++)
{
@@ -421,11 +423,22 @@ bool DLCManager::processDLCDataFile(DWORD &dwFilesProcessed, PBYTE pbData, DWORD
if( type != e_DLCParamType_Invalid )
{
parameterMapping[pParams->dwType] = type;
if (type == e_DLCParamType_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=readUInt32(&pbData[uiCurrentByte], bSwapEndian);
uiCurrentByte+=sizeof(int);
C4JStorage::DLC_FILE_DETAILS *pFile = (C4JStorage::DLC_FILE_DETAILS *)&pbData[uiCurrentByte];

3
Minecraft.Client/Common/DLC/DLCManager.h
View File

@@ -31,7 +31,8 @@ public:
{
e_DLCParamType_Invalid = -1,
e_DLCParamType_DisplayName = 0,
e_DLCParamType_XMLVersion = 0,
e_DLCParamType_DisplayName,
e_DLCParamType_ThemeName,
e_DLCParamType_Free, // identify free skins
e_DLCParamType_Credit, // legal credits for DLC