Add structures needed for large archive support.

diff --git a/SFmpqapi.cpp b/SFmpqapi.cpp
index bd4164d..e89bf42 100644 (file)
--- a/SFmpqapi.cpp
+++ b/SFmpqapi.cpp
@@ -375,7 +375,7 @@ BOOL WINAPI MpqOpenArchiveEx(LPCSTR lpFileName, DWORD dwPriority, DWORD dwFlags,
                        }
                        memcpy(&mpqOpenArc->MpqHeader.dwMPQID,ID_MPQ,4);
                        mpqOpenArc->MpqHeader.dwHeaderSize = sizeof(MPQHEADER);
-                       mpqOpenArc->MpqHeader.wUnused0C = 0;
+                       mpqOpenArc->MpqHeader.wVersion = 0;
                        if (dwBlockSize & 0xFFFF0000)
                                mpqOpenArc->MpqHeader.wBlockSize = DEFAULT_BLOCK_SIZE;
                        else

diff --git a/SFmpqapi.h b/SFmpqapi.h
index 7cef69b..768bff4 100644 (file)
--- a/SFmpqapi.h
+++ b/SFmpqapi.h
@@ -309,6 +309,7 @@ struct FILELISTENTRY {
 struct MPQARCHIVE;
 struct MPQFILE;
 struct MPQHEADER;
+struct MPQHEADER_EX;
 struct BLOCKTABLEENTRY;
 struct HASHTABLEENTRY;
 
@@ -316,7 +317,7 @@ struct MPQHEADER {
        DWORD dwMPQID; //"MPQ\x1A" for mpq's, "BN3\x1A" for bncache.dat
        DWORD dwHeaderSize; // Size of this header
        DWORD dwMPQSize; //The size of the mpq archive
-       WORD wUnused0C; // Seems to always be 0
+       WORD wVersion; // 0 for original format, 1 for large archive
        WORD wBlockSize; // Size of blocks in files equals 512 << wBlockSize
        DWORD dwHashTableOffset; // Offset to hash table
        DWORD dwBlockTableOffset; // Offset to block table
@@ -324,6 +325,13 @@ struct MPQHEADER {
        DWORD dwBlockTableSize; // Number of entries in block table
 };
 
+// Large archive format only
+struct MPQHEADER_EX {
+       UINT64 qwExtendedBlockOffsetTable; // Offset to table containing upper 16 bits of block offsets
+       WORD wHashTableOffsetHigh; // High 16 bits of the hash table offset for large archives
+       WORD wBlockTableOffsetHigh; // High 16 bits of the block table offset for large archives
+};
+
 #include <poppack.h>
 
 //Archive handles may be typecasted to this struct so you can access
@@ -355,6 +363,8 @@ struct MPQARCHIVE {
        DWORD dwFlags; //The only flags that should be changed are MOAU_MAINTAIN_LISTFILE and MOAU_MAINTAIN_ATTRIBUTES, changing any others can have unpredictable effects
        LPSTR lpFileName;
        DWORD dwExtraFlags;
+       MPQHEADER_EX MpqHeader_Ex;
+       WORD * lpFileOffsetsHigh;
 };
 
 //Handles to files in the archive may be typecasted to this struct
@@ -381,6 +391,7 @@ struct MPQFILE {
        // Extra struct members used by SFmpq
        HASHTABLEENTRY *lpHashEntry;
        LPSTR lpFileName;
+       WORD wFileOffsetHigh;
 };
 
 #include <pshpack1.h>