static int WowHandler_Insert(
TRootHandler_WoW6 * pRootHandler,
const char * szFileName,
LPBYTE pbEncodingKey)
{
PCASC_FILE_ENTRY pFileEntry;
DWORD FileDataId = 0;
// Don't let the number of items to overflow
if(pRootHandler->FileTable.ItemCount >= pRootHandler->FileTable.ItemCountMax)
return ERROR_NOT_ENOUGH_MEMORY;
// Insert the item to the linear file list
pFileEntry = (PCASC_FILE_ENTRY)Array_Insert(&pRootHandler->FileTable, NULL, 1);
if(pFileEntry != NULL)
{
// Get the file data ID of the previous item (0 if this is the first one)
if(pRootHandler->FileTable.ItemCount > 1)
FileDataId = pFileEntry[-1].FileDataId;
// Fill-in the new entry
pFileEntry->EncodingKey = *(PENCODING_KEY)pbEncodingKey;
pFileEntry->FileNameHash = CalcFileNameHash(szFileName);
pFileEntry->FileDataId = FileDataId + 1;
pFileEntry->Locales = CASC_LOCALE_ALL;
// Verify collisions (debug version only)
assert(Map_FindObject(pRootHandler->pRootMap, &pFileEntry->FileNameHash, NULL) == NULL);
// Insert the entry to the map
Map_InsertObject(pRootHandler->pRootMap, pFileEntry, &pFileEntry->FileNameHash);
}
return ERROR_SUCCESS;
}
static int ParseDirEntries_FileId2(
TRootHandler_Diablo3 * pRootHandler,
LPBYTE pbFileEntries,
DWORD dwFileEntries,
DWORD dwRootDirIndex)
{
PDIABLO3_FILEID2_ENTRY pEntry = (PDIABLO3_FILEID2_ENTRY)pbFileEntries;
PCASC_FILE_ENTRY pFileEntry;
// Overflow test
if((pRootHandler->FileTable.ItemCount + dwFileEntries) >= pRootHandler->FileTable.ItemCountMax)
{
assert(false);
return ERROR_NOT_ENOUGH_MEMORY;
}
// Parse the all ID1 entries in the file
for(DWORD i = 0; i < dwFileEntries; i++, pEntry++)
{
// Insert the file entry to the global list
pFileEntry = (PCASC_FILE_ENTRY)Array_Insert(&pRootHandler->FileTable, NULL, 1);
assert(pFileEntry != NULL);
// Fill the index entry
pFileEntry->EncodingKey = pEntry->EncodingKey;
pFileEntry->FileNameHash = MAKE_INDEX64(dwRootDirIndex, pEntry->FileIndex, pEntry->SubIndex);
pFileEntry->dwFlags = CASC_ENTRY_SHORT_NAME | CASC_ENTRY_HAS_SUBINDEX;
}
return ERROR_SUCCESS;
}
static void ResolveFullFileNames(
TRootHandler_Diablo3 * pRootHandler,
PDIABLO3_CORE_TOC_ENTRY pCoreTocEntries,
PCASC_MAP pPackageMap,
LPBYTE pbCoreTocFile,
DWORD dwFileIndexes)
{
PCASC_FILE_ENTRY pFileEntry;
char * szPlainName;
char * szNamePtr;
size_t nLength;
DWORD dwRootIndex;
DWORD dwFileIndex;
DWORD dwSubIndex;
char szShortName[MAX_PATH+1];
char szFullName[MAX_PATH+1];
// Keep compiler happy
CASCLIB_UNUSED(dwFileIndexes);
// Parse the entire file table
for(size_t i = 0; i < pRootHandler->FileTable.ItemCount; i++)
{
// Retrieve the file entry at n-th position
pFileEntry = (PCASC_FILE_ENTRY)Array_ItemAt(&pRootHandler->FileTable, i);
// Skip the items that already have full name
if(pFileEntry->dwFlags & CASC_ENTRY_SHORT_NAME)
{
// Retrieve the file index of that file
dwRootIndex = INDEX64_ROOT_INDEX(pFileEntry->FileNameHash);
dwFileIndex = INDEX64_FILE_INDEX(pFileEntry->FileNameHash);
dwSubIndex = (pFileEntry->dwFlags & CASC_ENTRY_HAS_SUBINDEX) ? INDEX64_SUB_INDEX(pFileEntry->FileNameHash) : DIABLO3_INVALID_INDEX;
assert(dwFileIndex < dwFileIndexes);
// Get the plain name of the file
szPlainName = (char *)(pbCoreTocFile + pCoreTocEntries[dwFileIndex].NameOffset);
// Create the short file name
nLength = CreateShortName(pPackageMap,
dwRootIndex,
pCoreTocEntries[dwFileIndex].AssetIndex,
szPlainName,
dwSubIndex,
szShortName);
// Insert the short name to the list of the names
szNamePtr = (char *)Array_Insert(&pRootHandler->FileNames, szShortName, nLength + 1);
pFileEntry->dwFileName = (DWORD)Array_IndexOf(&pRootHandler->FileNames, szNamePtr);
// Create the full file name
nLength = CreateFileName(pRootHandler, szShortName, szFullName);
pFileEntry->FileNameHash = CalcFileNameHash(szFullName);
// Insert the entry to the name map. Use the mapping of FullName -> FileHash
Map_InsertObject(pRootHandler->pRootMap, pFileEntry, &pFileEntry->FileNameHash);
}
}
}
static int ParseRoot_AddRootEntries(
TRootHandler_WoW6 * pRootHandler,
PCASC_ROOT_BLOCK pRootBlock)
{
PCASC_FILE_ENTRY pFileEntry;
DWORD dwFileDataId = 0;
// Sanity checks
assert(pRootHandler->FileTable.ItemArray != NULL);
assert(pRootHandler->FileTable.ItemCountMax != 0);
assert(pRootHandler->FileDataIdLookupTable.ItemArray != NULL);
assert(pRootHandler->FileDataIdLookupTable.ItemCountMax != 0);
// WoW.exe (build 19116): Blocks with zero files are skipped
for(DWORD i = 0; i < pRootBlock->pLocaleBlockHdr->NumberOfFiles; i++)
{
// Create new entry, with overflow check
if(pRootHandler->FileTable.ItemCount >= pRootHandler->FileTable.ItemCountMax)
return ERROR_INSUFFICIENT_BUFFER;
pFileEntry = (PCASC_FILE_ENTRY)Array_Insert(&pRootHandler->FileTable, NULL, 1);
if (pRootHandler->FileDataIdLookupTable.ItemCount >= pRootHandler->FileDataIdLookupTable.ItemCountMax)
return ERROR_INSUFFICIENT_BUFFER;
Array_Insert(&pRootHandler->FileDataIdLookupTable, &pFileEntry, 1);
// (004147A3) Prepare the CASC_FILE_ENTRY structure
pFileEntry->FileNameHash = pRootBlock->pRootEntries[i].FileNameHash;
pFileEntry->FileDataId = dwFileDataId + pRootBlock->FileDataIds[i];
pFileEntry->Locales = pRootBlock->pLocaleBlockHdr->Locales;
pFileEntry->EncodingKey = pRootBlock->pRootEntries[i].EncodingKey;
// Also, insert the entry to the map
Map_InsertObject(pRootHandler->pRootMap, pFileEntry, &pFileEntry->FileNameHash);
// Update the local File Data Id
assert((pFileEntry->FileDataId + 1) > pFileEntry->FileDataId);
dwFileDataId = pFileEntry->FileDataId + 1;
// Move to the next root entry
pFileEntry++;
}
return ERROR_SUCCESS;
}
// Insert an entry with file name as-is
static int InsertFileEntry(
TRootHandler_Diablo3 * pRootHandler,
ENCODING_KEY & EncodingKey,
const char * szFileName,
size_t cchFileName)
{
PCASC_FILE_ENTRY pFileEntry;
// We must not allow the file name array to be reallocated.
// Reallocating the array would cause pointers in TRootHandler_Diablo3::pRootMap
// become invalid
if(pRootHandler->FileTable.ItemCount >= pRootHandler->FileTable.ItemCountMax)
{
assert(false);
return ERROR_NOT_ENOUGH_MEMORY;
}
// Insert the plain name to the root handler's global name list
szFileName = (const char *)Array_Insert(&pRootHandler->FileNames, szFileName, cchFileName);
if(szFileName == NULL)
return ERROR_NOT_ENOUGH_MEMORY;
// Make sure that we don't exceed the file limit at this phase
pFileEntry = (PCASC_FILE_ENTRY)Array_Insert(&pRootHandler->FileTable, NULL, 1);
assert(pFileEntry != NULL);
// Store the info into the file entry
pFileEntry->EncodingKey = EncodingKey;
pFileEntry->FileNameHash = CalcFileNameHash(szFileName);
pFileEntry->dwFileName = (DWORD)Array_IndexOf(&pRootHandler->FileNames, szFileName);
pFileEntry->dwFlags = 0;
// Verify collisions (debug version only)
assert(Map_FindObject(pRootHandler->pRootMap, &pFileEntry->FileNameHash, NULL) == NULL);
// Calculate the file name hash
Map_InsertObject(pRootHandler->pRootMap, pFileEntry, &pFileEntry->FileNameHash);
// Success
return ERROR_SUCCESS;
}