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Fixed another issue with Hexen Mac 

Hopefully there will be no more bugs with Hexen Mac IWADs (demo or full) as all extra lumps are now discarded
This commit is contained in:
alexey.lysiuk 2016-01-17 13:29:44 +02:00
parent de80a8529d
commit 552c440afa
1 changed files with 45 additions and 14 deletions
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63
src/w_wad.cpp
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@ -961,8 +961,10 @@ void FWadCollection::RenameNerve ()
//
// FixMacHexen
//
// Rename unused high resolution font lumps because they are incorrectly
// treated as extended characters
// Discard all extra lumps in Mac version of Hexen IWAD (demo or full)
// to avoid any issues caused by names of these lumps, including:
// * Wrong height of small font
// * Broken life bar of mage class
//
//==========================================================================
@ -973,22 +975,51 @@ void FWadCollection::FixMacHexen()
return;
}
for (int i = GetFirstLump(IWAD_FILENUM), last = GetLastLump(IWAD_FILENUM); i <= last; ++i)
FileReader* const reader = GetFileReader(IWAD_FILENUM);
const long iwadSize = reader->GetLength();
static const long DEMO_SIZE = 13596228;
static const long FULL_SIZE = 21078584;
if ( DEMO_SIZE != iwadSize
&& FULL_SIZE != iwadSize)
{
assert(IWAD_FILENUM == LumpInfo[i].wadnum);
FResourceLump* const lump = LumpInfo[i].lump;
char* const name = lump->Name;
// Unwanted lumps are named like FONTA??1
if (8 == strlen(name)
&& MAKE_ID('F', 'O', 'N', 'T') == lump->dwName
&& 'A' == name[4] && '1' == name[7]
&& isdigit(name[5]) && isdigit(name[6]))
{
name[0] = '\0';
return;
}
reader->Seek(0, SEEK_SET);
BYTE checksum[16];
MD5Context md5;
md5.Update(reader, iwadSize);
md5.Final(checksum);
static const BYTE HEXEN_DEMO_MD5[16] =
{
0x92, 0x5f, 0x9f, 0x50, 0x00, 0xe1, 0x7d, 0xc8,
0x4b, 0x0a, 0x6a, 0x3b, 0xed, 0x3a, 0x6f, 0x31
};
static const BYTE HEXEN_FULL_MD5[16] =
{
0xb6, 0x81, 0x40, 0xa7, 0x96, 0xf6, 0xfd, 0x7f,
0x3a, 0x5d, 0x32, 0x26, 0xa3, 0x2b, 0x93, 0xbe
};
if ( 0 != memcmp(HEXEN_DEMO_MD5, checksum, sizeof checksum)
&& 0 != memcmp(HEXEN_FULL_MD5, checksum, sizeof checksum))
{
return;
}
static const int EXTRA_LUMPS = 299;
const int lastLump = GetLastLump(IWAD_FILENUM);
assert(GetFirstLump(IWAD_FILENUM) + 299 < lastLump);
for (int i = lastLump - EXTRA_LUMPS + 1; i <= lastLump; ++i)
{
LumpInfo[i].lump->Name[0] = '\0';
}
}