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