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authorbriaguya <70942617+briaguya-ai@users.noreply.github.com>2022-11-14 05:22:34 -0500
committerGitHub <noreply@github.com>2022-11-14 11:22:34 +0100
commit3914781ebfd5cb22717cc207cb3d37d8754d0eb7 (patch)
tree2e412b87e66b1deef47bef242e7189a200cea0ff /StormLib/src/SBaseSubTypes.cpp
parent9eb29ed81cb497a6a216811255f8af7daf3f8bd8 (diff)
Import libultraship as a submodule (#1943)
Co-authored-by: briaguya <briaguya> Co-authored-by: Christopher Leggett <chris@leggett.dev> Co-authored-by: David Chavez <davi@dcvz.io>
Diffstat (limited to 'StormLib/src/SBaseSubTypes.cpp')
-rw-r--r--StormLib/src/SBaseSubTypes.cpp618
1 files changed, 0 insertions, 618 deletions
diff --git a/StormLib/src/SBaseSubTypes.cpp b/StormLib/src/SBaseSubTypes.cpp
deleted file mode 100644
index 6ab4a99c8..000000000
--- a/StormLib/src/SBaseSubTypes.cpp
+++ /dev/null
@@ -1,618 +0,0 @@
-/*****************************************************************************/
-/* SBaseSubTypes.cpp Copyright (c) Ladislav Zezula 2013 */
-/*---------------------------------------------------------------------------*/
-/* Conversion routines for archive formats that are similar to MPQ format */
-/*---------------------------------------------------------------------------*/
-/* Date Ver Who Comment */
-/* -------- ---- --- ------- */
-/* 02.11.11 1.00 Lad The first version of SBaseSubTypes.cpp */
-/*****************************************************************************/
-
-#define __STORMLIB_SELF__
-#include "StormLib.h"
-#include "StormCommon.h"
-
-/*****************************************************************************/
-/* */
-/* Support for SQP file format (War of the Immortals) */
-/* */
-/*****************************************************************************/
-
-typedef struct _TSQPHeader
-{
- // The ID_MPQ ('MPQ\x1A') signature
- DWORD dwID;
-
- // Size of the archive header
- DWORD dwHeaderSize;
-
- // 32-bit size of MPQ archive
- DWORD dwArchiveSize;
-
- // Offset to the beginning of the hash table, relative to the beginning of the archive.
- DWORD dwHashTablePos;
-
- // Offset to the beginning of the block table, relative to the beginning of the archive.
- DWORD dwBlockTablePos;
-
- // Number of entries in the hash table. Must be a power of two, and must be less than 2^16 for
- // the original MoPaQ format, or less than 2^20 for the Burning Crusade format.
- DWORD dwHashTableSize;
-
- // Number of entries in the block table
- DWORD dwBlockTableSize;
-
- // Must be zero for SQP files
- USHORT wFormatVersion;
-
- // Power of two exponent specifying the number of 512-byte disk sectors in each file sector
- // in the archive. The size of each file sector in the archive is 512 * 2 ^ wSectorSize.
- USHORT wSectorSize;
-
-} TSQPHeader;
-
-typedef struct _TSQPHash
-{
- // Most likely the lcLocale+wPlatform.
- DWORD dwAlwaysZero;
-
- // If the hash table entry is valid, this is the index into the block table of the file.
- // Otherwise, one of the following two values:
- // - FFFFFFFFh: Hash table entry is empty, and has always been empty.
- // Terminates searches for a given file.
- // - FFFFFFFEh: Hash table entry is empty, but was valid at some point (a deleted file).
- // Does not terminate searches for a given file.
- DWORD dwBlockIndex;
-
- // The hash of the file path, using method A.
- DWORD dwName1;
-
- // The hash of the file path, using method B.
- DWORD dwName2;
-
-} TSQPHash;
-
-typedef struct _TSQPBlock
-{
- // Offset of the beginning of the file, relative to the beginning of the archive.
- DWORD dwFilePos;
-
- // Flags for the file. See MPQ_FILE_XXXX constants
- DWORD dwFlags;
-
- // Compressed file size
- DWORD dwCSize;
-
- // Uncompressed file size
- DWORD dwFSize;
-
-} TSQPBlock;
-
-//-----------------------------------------------------------------------------
-// Functions - SQP file format
-
-// This function converts SQP file header into MPQ file header
-DWORD ConvertSqpHeaderToFormat4(
- TMPQArchive * ha,
- ULONGLONG FileSize,
- DWORD dwFlags)
-{
- TSQPHeader * pSqpHeader = (TSQPHeader *)ha->HeaderData;
- TMPQHeader Header;
-
- // SQP files from War of the Immortal use MPQ file format with slightly
- // modified structure. These fields have different position:
- //
- // Offset TMPQHeader TSQPHeader
- // ------ ---------- -----------
- // 000C wFormatVersion dwHashTablePos (lo)
- // 000E wSectorSize dwHashTablePos (hi)
- // 001C dwBlockTableSize (lo) wBlockSize
- // 001E dwHashTableSize (hi) wFormatVersion
-
- // Can't open the archive with certain flags
- if(dwFlags & MPQ_OPEN_FORCE_MPQ_V1)
- return ERROR_FILE_CORRUPT;
-
- // The file must not be greater than 4 GB
- if((FileSize >> 0x20) != 0)
- return ERROR_FILE_CORRUPT;
-
- // Translate the SQP header into a MPQ header
- memset(&Header, 0, sizeof(TMPQHeader));
- Header.dwID = BSWAP_INT32_UNSIGNED(pSqpHeader->dwID);
- Header.dwHeaderSize = BSWAP_INT32_UNSIGNED(pSqpHeader->dwHeaderSize);
- Header.dwArchiveSize = BSWAP_INT32_UNSIGNED(pSqpHeader->dwArchiveSize);
- Header.dwHashTablePos = BSWAP_INT32_UNSIGNED(pSqpHeader->dwHashTablePos);
- Header.dwBlockTablePos = BSWAP_INT32_UNSIGNED(pSqpHeader->dwBlockTablePos);
- Header.dwHashTableSize = BSWAP_INT32_UNSIGNED(pSqpHeader->dwHashTableSize);
- Header.dwBlockTableSize = BSWAP_INT32_UNSIGNED(pSqpHeader->dwBlockTableSize);
- Header.wFormatVersion = BSWAP_INT16_UNSIGNED(pSqpHeader->wFormatVersion);
- Header.wSectorSize = BSWAP_INT16_UNSIGNED(pSqpHeader->wSectorSize);
-
- // Verify the SQP header
- if(Header.dwID == g_dwMpqSignature && Header.dwHeaderSize == sizeof(TSQPHeader) && Header.dwArchiveSize == FileSize)
- {
- // Check for fixed values of version and sector size
- if(Header.wFormatVersion == MPQ_FORMAT_VERSION_1 && Header.wSectorSize == 3)
- {
- // Initialize the fields of 3.0 header
- Header.ArchiveSize64 = Header.dwArchiveSize;
- Header.HashTableSize64 = Header.dwHashTableSize * sizeof(TMPQHash);
- Header.BlockTableSize64 = Header.dwBlockTableSize * sizeof(TMPQBlock);
-
- // Copy the converted MPQ header back
- memcpy(ha->HeaderData, &Header, sizeof(TMPQHeader));
-
- // Mark this file as SQP file
- ha->pfnHashString = HashStringSlash;
- ha->dwFlags |= MPQ_FLAG_READ_ONLY;
- ha->dwSubType = MPQ_SUBTYPE_SQP;
- return ERROR_SUCCESS;
- }
- }
-
- return ERROR_FILE_CORRUPT;
-}
-
-void * LoadSqpTable(TMPQArchive * ha, DWORD dwByteOffset, DWORD cbTableSize, DWORD dwKey)
-{
- ULONGLONG ByteOffset;
- LPBYTE pbSqpTable;
-
- // Allocate buffer for the table
- pbSqpTable = STORM_ALLOC(BYTE, cbTableSize);
- if(pbSqpTable != NULL)
- {
- // Load the table
- ByteOffset = ha->MpqPos + dwByteOffset;
- if(FileStream_Read(ha->pStream, &ByteOffset, pbSqpTable, cbTableSize))
- {
- // Decrypt the SQP table
- DecryptMpqBlock(pbSqpTable, cbTableSize, dwKey);
- return pbSqpTable;
- }
-
- // Free the table
- STORM_FREE(pbSqpTable);
- }
-
- return NULL;
-}
-
-TMPQHash * LoadSqpHashTable(TMPQArchive * ha)
-{
- TMPQHeader * pHeader = ha->pHeader;
- TSQPHash * pSqpHashTable;
- TSQPHash * pSqpHashEnd;
- TSQPHash * pSqpHash;
- TMPQHash * pMpqHash;
- DWORD dwErrCode = ERROR_SUCCESS;
-
- // Load the hash table
- pSqpHashTable = (TSQPHash *)LoadSqpTable(ha, pHeader->dwHashTablePos, pHeader->dwHashTableSize * sizeof(TSQPHash), MPQ_KEY_HASH_TABLE);
- if(pSqpHashTable != NULL)
- {
- // Parse the entire hash table and convert it to MPQ hash table
- pSqpHashEnd = pSqpHashTable + pHeader->dwHashTableSize;
- pMpqHash = (TMPQHash *)pSqpHashTable;
- for(pSqpHash = pSqpHashTable; pSqpHash < pSqpHashEnd; pSqpHash++, pMpqHash++)
- {
- // Ignore free entries
- if(pSqpHash->dwBlockIndex != HASH_ENTRY_FREE)
- {
- // Check block index against the size of the block table
- if(pHeader->dwBlockTableSize <= MPQ_BLOCK_INDEX(pSqpHash) && pSqpHash->dwBlockIndex < HASH_ENTRY_DELETED)
- dwErrCode = ERROR_FILE_CORRUPT;
-
- // We do not support nonzero locale and platform ID
- if(pSqpHash->dwAlwaysZero != 0 && pSqpHash->dwAlwaysZero != HASH_ENTRY_FREE)
- dwErrCode = ERROR_FILE_CORRUPT;
-
- // Store the file name hash
- pMpqHash->dwName1 = pSqpHash->dwName1;
- pMpqHash->dwName2 = pSqpHash->dwName2;
-
- // Store the rest. Note that this must be done last,
- // because block index corresponds to pMpqHash->dwName2
- pMpqHash->dwBlockIndex = MPQ_BLOCK_INDEX(pSqpHash);
- pMpqHash->Platform = 0;
- pMpqHash->lcLocale = 0;
- }
- }
-
- // If an error occured, we need to free the hash table
- if(dwErrCode != ERROR_SUCCESS)
- {
- STORM_FREE(pSqpHashTable);
- pSqpHashTable = NULL;
- }
- }
-
- // Return the converted hash table (or NULL on failure)
- return (TMPQHash *)pSqpHashTable;
-}
-
-// Loads the SQP Block table and converts it to a MPQ block table
-TMPQBlock * LoadSqpBlockTable(TMPQArchive * ha)
-{
- TMPQHeader * pHeader = ha->pHeader;
- TSQPBlock * pSqpBlockTable;
- TSQPBlock * pSqpBlockEnd;
- TSQPBlock * pSqpBlock;
- TMPQBlock * pMpqBlock;
- DWORD dwFlags;
- DWORD dwErrCode = ERROR_SUCCESS;
-
- // Load the hash table
- pSqpBlockTable = (TSQPBlock *)LoadSqpTable(ha, pHeader->dwBlockTablePos, pHeader->dwBlockTableSize * sizeof(TSQPBlock), MPQ_KEY_BLOCK_TABLE);
- if(pSqpBlockTable != NULL)
- {
- // Parse the entire hash table and convert it to MPQ hash table
- pSqpBlockEnd = pSqpBlockTable + pHeader->dwBlockTableSize;
- pMpqBlock = (TMPQBlock *)pSqpBlockTable;
- for(pSqpBlock = pSqpBlockTable; pSqpBlock < pSqpBlockEnd; pSqpBlock++, pMpqBlock++)
- {
- // Check for valid flags
- if(pSqpBlock->dwFlags & ~MPQ_FILE_VALID_FLAGS)
- dwErrCode = ERROR_FILE_CORRUPT;
-
- // Convert SQP block table entry to MPQ block table entry
- dwFlags = pSqpBlock->dwFlags;
- pMpqBlock->dwCSize = pSqpBlock->dwCSize;
- pMpqBlock->dwFSize = pSqpBlock->dwFSize;
- pMpqBlock->dwFlags = dwFlags;
- }
-
- // If an error occured, we need to free the hash table
- if(dwErrCode != ERROR_SUCCESS)
- {
- STORM_FREE(pSqpBlockTable);
- pSqpBlockTable = NULL;
- }
- }
-
- // Return the converted hash table (or NULL on failure)
- return (TMPQBlock *)pSqpBlockTable;
-}
-
-/*****************************************************************************/
-/* */
-/* Support for MPK file format (Longwu Online) */
-/* */
-/*****************************************************************************/
-
-#define MPK_FILE_UNKNOWN_0001 0x00000001 // Seems to be always present
-#define MPK_FILE_UNKNOWN_0010 0x00000010 // Seems to be always present
-#define MPK_FILE_COMPRESSED 0x00000100 // Indicates a compressed file
-#define MPK_FILE_UNKNOWN_2000 0x00002000 // Seems to be always present
-#define MPK_FILE_EXISTS 0x01000000 // Seems to be always present
-
-typedef struct _TMPKHeader
-{
- // The ID_MPK ('MPK\x1A') signature
- DWORD dwID;
-
- // Contains '2000'
- DWORD dwVersion;
-
- // 32-bit size of the archive
- DWORD dwArchiveSize;
-
- // Size of the archive header
- DWORD dwHeaderSize;
-
- DWORD dwHashTablePos;
- DWORD dwHashTableSize;
- DWORD dwBlockTablePos;
- DWORD dwBlockTableSize;
- DWORD dwUnknownPos;
- DWORD dwUnknownSize;
-} TMPKHeader;
-
-
-typedef struct _TMPKHash
-{
- // The hash of the file path, using method A.
- DWORD dwName1;
-
- // The hash of the file path, using method B.
- DWORD dwName2;
-
- // The hash of the file path, using method C.
- DWORD dwName3;
-
- // If the hash table entry is valid, this is the index into the block table of the file.
- // Otherwise, one of the following two values:
- // - FFFFFFFFh: Hash table entry is empty, and has always been empty.
- // Terminates searches for a given file.
- // - FFFFFFFEh: Hash table entry is empty, but was valid at some point (a deleted file).
- // Does not terminate searches for a given file.
- DWORD dwBlockIndex;
-
-} TMPKHash;
-
-typedef struct _TMPKBlock
-{
- DWORD dwFlags; // 0x1121 - Compressed , 0x1120 - Not compressed
- DWORD dwFilePos; // Offset of the beginning of the file, relative to the beginning of the archive.
- DWORD dwFSize; // Uncompressed file size
- DWORD dwCSize; // Compressed file size
- DWORD dwUnknown; // 0x86364E6D
-} TMPKBlock;
-
-//-----------------------------------------------------------------------------
-// Local variables - MPK file format
-
-static const unsigned char MpkDecryptionKey[512] =
-{
- 0x60, 0x20, 0x29, 0xE1, 0x01, 0xCE, 0xAA, 0xFE, 0xA3, 0xAB, 0x8E, 0x30, 0xAF, 0x02, 0xD1, 0x7D,
- 0x41, 0x24, 0x06, 0xBD, 0xAE, 0xBE, 0x43, 0xC3, 0xBA, 0xB7, 0x08, 0x13, 0x51, 0xCF, 0xF8, 0xF7,
- 0x25, 0x42, 0xA5, 0x4A, 0xDA, 0x0F, 0x52, 0x1C, 0x90, 0x3B, 0x63, 0x49, 0x36, 0xF6, 0xDD, 0x1B,
- 0xEA, 0x58, 0xD4, 0x40, 0x70, 0x61, 0x55, 0x09, 0xCD, 0x0B, 0xA2, 0x4B, 0x68, 0x2C, 0x8A, 0xF1,
- 0x3C, 0x3A, 0x65, 0xBB, 0xA1, 0xA8, 0x23, 0x97, 0xFD, 0x15, 0x00, 0x94, 0x88, 0x33, 0x59, 0xE9,
- 0xFB, 0x69, 0x21, 0xEF, 0x85, 0x5B, 0x57, 0x6C, 0xFA, 0xB5, 0xEE, 0xB8, 0x71, 0xDC, 0xB1, 0x38,
- 0x0C, 0x0A, 0x5C, 0x56, 0xC9, 0xB4, 0x84, 0x17, 0x1E, 0xE5, 0xD3, 0x5A, 0xCC, 0xFC, 0x11, 0x86,
- 0x7F, 0x45, 0x4F, 0x54, 0xC8, 0x8D, 0x73, 0x89, 0x79, 0x5D, 0xB3, 0xBF, 0xB9, 0xE3, 0x93, 0xE4,
- 0x6F, 0x35, 0x2D, 0x46, 0xF2, 0x76, 0xC5, 0x7E, 0xE2, 0xA4, 0xE6, 0xD9, 0x6E, 0x48, 0x34, 0x2B,
- 0xC6, 0x5F, 0xBC, 0xA0, 0x6D, 0x0D, 0x47, 0x6B, 0x95, 0x96, 0x92, 0x91, 0xB2, 0x27, 0xEB, 0x9E,
- 0xEC, 0x8F, 0xDF, 0x9C, 0x74, 0x99, 0x64, 0xF5, 0xFF, 0x28, 0xB6, 0x37, 0xF3, 0x7C, 0x81, 0x03,
- 0x44, 0x62, 0x1F, 0xDB, 0x04, 0x7B, 0xB0, 0x9B, 0x31, 0xA7, 0xDE, 0x78, 0x9F, 0xAD, 0x0E, 0x3F,
- 0x3E, 0x4D, 0xC7, 0xD7, 0x39, 0x19, 0x5E, 0xC2, 0xD0, 0xAC, 0xE8, 0x1A, 0x87, 0x8B, 0x07, 0x05,
- 0x22, 0xED, 0x72, 0x2E, 0x1D, 0xC1, 0xA9, 0xD6, 0xE0, 0x83, 0xD5, 0xD8, 0xCB, 0x80, 0xF0, 0x66,
- 0x7A, 0x9D, 0x50, 0xF9, 0x10, 0x4E, 0x16, 0x14, 0x77, 0x75, 0x6A, 0x67, 0xD2, 0xC0, 0xA6, 0xC4,
- 0x53, 0x8C, 0x32, 0xCA, 0x82, 0x2A, 0x18, 0x9A, 0xF4, 0x4C, 0x3D, 0x26, 0x12, 0xE7, 0x98, 0x2F,
- 0x4A, 0x04, 0x0D, 0xAF, 0xB4, 0xCF, 0x12, 0xCE, 0x1A, 0x37, 0x61, 0x39, 0x60, 0x95, 0xBE, 0x25,
- 0xE4, 0x6E, 0xFC, 0x1B, 0xE7, 0x49, 0xE6, 0x67, 0xF6, 0xC5, 0xCB, 0x2F, 0x27, 0xD4, 0x68, 0xB2,
- 0x01, 0x52, 0xD0, 0x46, 0x11, 0x20, 0xFB, 0x9D, 0xA9, 0x02, 0xF5, 0x8F, 0x3D, 0x82, 0xD3, 0xFF,
- 0x0B, 0xB8, 0xF2, 0x4D, 0x8E, 0x81, 0x2C, 0xAB, 0x5F, 0xC4, 0x41, 0x29, 0x40, 0xFA, 0xC0, 0xBF,
- 0x33, 0x10, 0x21, 0x16, 0xB0, 0x71, 0x83, 0x96, 0x8D, 0x2B, 0x23, 0x3B, 0xF9, 0xC1, 0xE5, 0x72,
- 0xE2, 0x1C, 0x26, 0xF0, 0x73, 0x36, 0x63, 0x56, 0x31, 0x4E, 0x6B, 0x55, 0x62, 0x79, 0xC6, 0x91,
- 0x00, 0x35, 0xB1, 0x2A, 0xA6, 0x42, 0xDF, 0xEB, 0x3C, 0x51, 0xEA, 0x97, 0x57, 0x94, 0x8C, 0x80,
- 0x34, 0x5C, 0xD2, 0x76, 0xA4, 0xE9, 0x85, 0xE8, 0xBB, 0x78, 0xE0, 0xB5, 0xAD, 0x0F, 0x87, 0x70,
- 0xDD, 0xAE, 0xF4, 0xD9, 0x66, 0x54, 0x6F, 0xCC, 0x4C, 0x77, 0x3E, 0xCD, 0xF1, 0x75, 0x0A, 0xA1,
- 0x28, 0x9B, 0x9A, 0x7E, 0x4B, 0x98, 0x99, 0x47, 0xFE, 0xA5, 0xF7, 0xB7, 0xA3, 0xE1, 0x9F, 0xBC,
- 0x93, 0x44, 0x3A, 0x08, 0x89, 0x22, 0xEE, 0xB9, 0x45, 0xD6, 0x06, 0x09, 0xC9, 0xBD, 0x14, 0x0C,
- 0xB6, 0x5E, 0x9C, 0x7A, 0x65, 0x59, 0xAA, 0x19, 0x5B, 0x7C, 0x18, 0x43, 0x92, 0x13, 0x15, 0x7B,
- 0xED, 0xD5, 0xC7, 0x17, 0xEF, 0x86, 0x90, 0xC2, 0x74, 0x64, 0xF3, 0xDC, 0x6C, 0x38, 0x05, 0x1D,
- 0xC8, 0x0E, 0xEC, 0x6A, 0x32, 0xDA, 0xD7, 0xC3, 0xDB, 0x8B, 0x24, 0xB3, 0x5D, 0x2E, 0xBA, 0xA2,
- 0xD8, 0x03, 0x88, 0x7D, 0x7F, 0x69, 0x8A, 0xFD, 0xCA, 0x4F, 0x30, 0x9E, 0xA0, 0xD1, 0x5A, 0x53,
- 0xDE, 0x3F, 0x84, 0xAC, 0xF8, 0xA7, 0x2D, 0x1F, 0x1E, 0xE3, 0x58, 0x50, 0x6D, 0x48, 0x07, 0xA8
-};
-
-//-----------------------------------------------------------------------------
-// Functions - MPK file format
-
-// This function converts MPK file header into MPQ file header
-DWORD ConvertMpkHeaderToFormat4(
- TMPQArchive * ha,
- ULONGLONG FileSize,
- DWORD dwFlags)
-{
- TMPKHeader * pMpkHeader = (TMPKHeader *)ha->HeaderData;
- TMPQHeader Header;
-
- // Can't open the archive with certain flags
- if(dwFlags & MPQ_OPEN_FORCE_MPQ_V1)
- return ERROR_FILE_CORRUPT;
-
- // Translate the MPK header into a MPQ header
- // Note: Hash table size and block table size are in bytes, not in entries
- memset(&Header, 0, sizeof(TMPQHeader));
- Header.dwID = BSWAP_INT32_UNSIGNED(pMpkHeader->dwID);
- Header.dwArchiveSize = BSWAP_INT32_UNSIGNED(pMpkHeader->dwArchiveSize);
- Header.dwHeaderSize = BSWAP_INT32_UNSIGNED(pMpkHeader->dwHeaderSize);
- Header.dwHashTablePos = BSWAP_INT32_UNSIGNED(pMpkHeader->dwHashTablePos);
- Header.dwHashTableSize = BSWAP_INT32_UNSIGNED(pMpkHeader->dwHashTableSize) / sizeof(TMPKHash);
- Header.dwBlockTablePos = BSWAP_INT32_UNSIGNED(pMpkHeader->dwBlockTablePos);
- Header.dwBlockTableSize = BSWAP_INT32_UNSIGNED(pMpkHeader->dwBlockTableSize) / sizeof(TMPKBlock);
-// Header.dwUnknownPos = BSWAP_INT32_UNSIGNED(pMpkHeader->dwUnknownPos);
-// Header.dwUnknownSize = BSWAP_INT32_UNSIGNED(pMpkHeader->dwUnknownSize);
- assert(Header.dwHeaderSize == sizeof(TMPKHeader));
-
- // Verify the MPK header
- if(Header.dwID == ID_MPK && Header.dwHeaderSize == sizeof(TMPKHeader) && Header.dwArchiveSize == (DWORD)FileSize)
- {
- // The header ID must be ID_MPQ
- Header.dwID = g_dwMpqSignature;
- Header.wFormatVersion = MPQ_FORMAT_VERSION_1;
- Header.wSectorSize = 3;
-
- // Initialize the fields of 3.0 header
- Header.ArchiveSize64 = Header.dwArchiveSize;
- Header.HashTableSize64 = Header.dwHashTableSize * sizeof(TMPQHash);
- Header.BlockTableSize64 = Header.dwBlockTableSize * sizeof(TMPQBlock);
-
- // Copy the converted MPQ header back
- memcpy(ha->HeaderData, &Header, sizeof(TMPQHeader));
-
- // Mark this file as MPK file
- ha->pfnHashString = HashStringLower;
- ha->dwFlags |= MPQ_FLAG_READ_ONLY;
- ha->dwSubType = MPQ_SUBTYPE_MPK;
- return ERROR_SUCCESS;
- }
- return ERROR_FILE_CORRUPT;
-}
-
-// Attempts to search a free hash entry in the hash table being converted.
-// The created hash table must always be of nonzero size,
-// should have no duplicated items and no deleted entries
-TMPQHash * FindFreeHashEntry(TMPQHash * pHashTable, DWORD dwHashTableSize, DWORD dwStartIndex)
-{
- TMPQHash * pHash;
- DWORD dwIndex;
-
- // Set the initial index
- dwStartIndex = dwIndex = (dwStartIndex & (dwHashTableSize - 1));
- assert(dwHashTableSize != 0);
-
- // Search the hash table and return the found entries in the following priority:
- for(;;)
- {
- // We are not expecting to find matching entry in the hash table being built
- // We are not expecting to find deleted entry either
- pHash = pHashTable + dwIndex;
-
- // If we found a free entry, we need to stop searching
- if(pHash->dwBlockIndex == HASH_ENTRY_FREE)
- return pHash;
-
- // Move to the next hash entry.
- // If we reached the starting entry, it's failure.
- dwIndex = (dwIndex + 1) & (dwHashTableSize - 1);
- if(dwIndex == dwStartIndex)
- break;
- }
-
- // We haven't found anything
- assert(false);
- return NULL;
-}
-
-void DecryptMpkTable(void * pvMpkTable, size_t cbSize)
-{
- LPBYTE pbMpkTable = (LPBYTE)pvMpkTable;
-
- for(size_t i = 0; i < cbSize; i++)
- pbMpkTable[i] = MpkDecryptionKey[pbMpkTable[i]];
-}
-
-void * LoadMpkTable(TMPQArchive * ha, DWORD dwByteOffset, DWORD cbTableSize)
-{
- ULONGLONG ByteOffset;
- LPBYTE pbMpkTable = NULL;
-
- // Allocate space for the table
- pbMpkTable = STORM_ALLOC(BYTE, cbTableSize);
- if(pbMpkTable != NULL)
- {
- // Load and the MPK hash table
- ByteOffset = ha->MpqPos + dwByteOffset;
- if(FileStream_Read(ha->pStream, &ByteOffset, pbMpkTable, cbTableSize))
- {
- // Decrypt the table
- DecryptMpkTable(pbMpkTable, cbTableSize);
- return pbMpkTable;
- }
-
- // Free the MPK table
- STORM_FREE(pbMpkTable);
- pbMpkTable = NULL;
- }
-
- // Return the table
- return pbMpkTable;
-}
-
-TMPQHash * LoadMpkHashTable(TMPQArchive * ha)
-{
- TMPQHeader * pHeader = ha->pHeader;
- TMPQHash * pHashTable = NULL;
- TMPKHash * pMpkHash;
- TMPQHash * pHash = NULL;
- DWORD dwHashTableSize = pHeader->dwHashTableSize;
-
- // MPKs use different hash table searching.
- // Instead of using MPQ_HASH_TABLE_INDEX hash as index,
- // they store the value directly in the hash table.
- // Also for faster searching, the hash table is sorted ascending by the value
-
- // Load and decrypt the MPK hash table.
- pMpkHash = (TMPKHash *)LoadMpkTable(ha, pHeader->dwHashTablePos, pHeader->dwHashTableSize * sizeof(TMPKHash));
- if(pMpkHash != NULL)
- {
- // Calculate the hash table size as if it was real MPQ hash table
- pHeader->dwHashTableSize = GetNearestPowerOfTwo(pHeader->dwHashTableSize);
- pHeader->HashTableSize64 = pHeader->dwHashTableSize * sizeof(TMPQHash);
-
- // Now allocate table that will serve like a true MPQ hash table,
- // so we translate the MPK hash table to MPQ hash table
- pHashTable = STORM_ALLOC(TMPQHash, pHeader->dwHashTableSize);
- if(pHashTable != NULL)
- {
- // Set the entire hash table to free
- memset(pHashTable, 0xFF, (size_t)pHeader->HashTableSize64);
-
- // Copy the MPK hash table into MPQ hash table
- for(DWORD i = 0; i < dwHashTableSize; i++)
- {
- // Finds the free hash entry in the hash table
- // We don't expect any errors here, because we are putting files to empty hash table
- pHash = FindFreeHashEntry(pHashTable, pHeader->dwHashTableSize, pMpkHash[i].dwName1);
- assert(pHash->dwBlockIndex == HASH_ENTRY_FREE);
-
- // Copy the MPK hash entry to the hash table
- pHash->dwBlockIndex = pMpkHash[i].dwBlockIndex;
- pHash->Platform = 0;
- pHash->lcLocale = 0;
- pHash->dwName1 = pMpkHash[i].dwName2;
- pHash->dwName2 = pMpkHash[i].dwName3;
- }
- }
-
- // Free the temporary hash table
- STORM_FREE(pMpkHash);
- }
-
- return pHashTable;
-}
-
-static DWORD ConvertMpkFlagsToMpqFlags(DWORD dwMpkFlags)
-{
- DWORD dwMpqFlags = MPQ_FILE_EXISTS;
-
- // Check for flags that are always present
- assert((dwMpkFlags & MPK_FILE_UNKNOWN_0001) != 0);
- assert((dwMpkFlags & MPK_FILE_UNKNOWN_0010) != 0);
- assert((dwMpkFlags & MPK_FILE_UNKNOWN_2000) != 0);
- assert((dwMpkFlags & MPK_FILE_EXISTS) != 0);
-
- // Append the compressed flag
- dwMpqFlags |= (dwMpkFlags & MPK_FILE_COMPRESSED) ? MPQ_FILE_COMPRESS : 0;
-
- // All files in the MPQ seem to be single unit files
- dwMpqFlags |= MPQ_FILE_ENCRYPTED | MPQ_FILE_SINGLE_UNIT;
-
- return dwMpqFlags;
-}
-
-TMPQBlock * LoadMpkBlockTable(TMPQArchive * ha)
-{
- TMPQHeader * pHeader = ha->pHeader;
- TMPKBlock * pMpkBlockTable;
- TMPKBlock * pMpkBlockEnd;
- TMPQBlock * pBlockTable = NULL;
- TMPKBlock * pMpkBlock;
- TMPQBlock * pMpqBlock;
-
- // Load and decrypt the MPK block table
- pMpkBlockTable = pMpkBlock = (TMPKBlock *)LoadMpkTable(ha, pHeader->dwBlockTablePos, pHeader->dwBlockTableSize * sizeof(TMPKBlock));
- if(pMpkBlockTable != NULL)
- {
- // Allocate buffer for MPQ-like block table
- pBlockTable = pMpqBlock = STORM_ALLOC(TMPQBlock, pHeader->dwBlockTableSize);
- if(pBlockTable != NULL)
- {
- // Convert the MPK block table to MPQ block table
- pMpkBlockEnd = pMpkBlockTable + pHeader->dwBlockTableSize;
- while(pMpkBlock < pMpkBlockEnd)
- {
- // Translate the MPK block table entry to MPQ block table entry
- pMpqBlock->dwFilePos = pMpkBlock->dwFilePos;
- pMpqBlock->dwCSize = pMpkBlock->dwCSize;
- pMpqBlock->dwFSize = pMpkBlock->dwFSize;
- pMpqBlock->dwFlags = ConvertMpkFlagsToMpqFlags(pMpkBlock->dwFlags);
-
- // Move both
- pMpkBlock++;
- pMpqBlock++;
- }
- }
-
- // Free the MPK block table
- STORM_FREE(pMpkBlockTable);
- }
-
- return pBlockTable;
-}