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/*
* This source code is public domain.
*
* Authors: Olivier Lapicque <olivierl@jps.net>
*/
#include "stdafx.h"
#include "sndfile.h"
#define MODMAGIC_OFFSET (20+31*30+130)
BOOL CSoundFile::ReadUMX(const BYTE *lpStream, DWORD dwMemLength)
//---------------------------------------------------------------
{
if ((!lpStream) || (dwMemLength < 0x800)) return FALSE;
// Rip Mods from UMX
if ((bswapLE32(*((DWORD *)(lpStream+0x20))) < dwMemLength)
&& (bswapLE32(*((DWORD *)(lpStream+0x18))) <= dwMemLength - 0x10)
&& (bswapLE32(*((DWORD *)(lpStream+0x18))) >= dwMemLength - 0x200))
{
for (UINT uscan=0x40; uscan<0x500; uscan++)
{
DWORD dwScan = bswapLE32(*((DWORD *)(lpStream+uscan)));
// IT
if (dwScan == 0x4D504D49)
{
DWORD dwRipOfs = uscan;
return ReadIT(lpStream + dwRipOfs, dwMemLength - dwRipOfs);
}
// S3M
if (dwScan == 0x4D524353)
{
DWORD dwRipOfs = uscan - 44;
return ReadS3M(lpStream + dwRipOfs, dwMemLength - dwRipOfs);
}
// XM
if (!strnicmp((LPCSTR)(lpStream+uscan), "Extended Module", 15))
{
DWORD dwRipOfs = uscan;
return ReadXM(lpStream + dwRipOfs, dwMemLength - dwRipOfs);
}
// MOD
if ((uscan > MODMAGIC_OFFSET) && (dwScan == 0x2e4b2e4d))
{
DWORD dwRipOfs = uscan - MODMAGIC_OFFSET;
return ReadMod(lpStream+dwRipOfs, dwMemLength-dwRipOfs);
}
}
}
return FALSE;
}
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