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Initial commit of original Tiberian Dawn and Red Alert source code converted to build as DLLs, and compatible with the release version of Command & Conquer Remastered.
This commit is contained in:
PG-SteveT 2020-05-27 12:16:20 -07:00
parent ea8ecc76fa
commit 03416d24e1
1038 changed files with 629779 additions and 0 deletions
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REDALERT/ADPCM.CPP Normal file
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//
// Copyright 2020 Electronic Arts Inc.
//
// TiberianDawn.DLL and RedAlert.dll and corresponding source code is free
// software: you can redistribute it and/or modify it under the terms of
// the GNU General Public License as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
// TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed
// in the hope that it will be useful, but with permitted additional restrictions
// under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT
// distributed with this program. You should have received a copy of the
// GNU General Public License along with permitted additional restrictions
// with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection
#include "function.h"
extern "C" {
#include "soscomp.h"
#include "itable.cpp"
#include "dtable.cpp"
void sosCODECInitStream(_SOS_COMPRESS_INFO* info)
{
info->dwSampleIndex = 0;
info->dwPredicted = 0;
}
unsigned long sosCODECDecompressData(_SOS_COMPRESS_INFO* info, unsigned long numbytes)
{
unsigned long token;
long sample;
unsigned int fastindex;
unsigned char *inbuff;
unsigned short *outbuff;
inbuff = (unsigned char *)info->lpSource;
outbuff = (unsigned short *)info->lpDest;
// Preload variables before the big loop
fastindex = (unsigned int)info->dwSampleIndex;
sample = info->dwPredicted;
if (!numbytes)
goto SkipLoop;
do {
// First nibble
token = *inbuff++;
fastindex += token & 0x0f;
sample += DiffTable[fastindex];
fastindex = IndexTable[fastindex];
if (sample > 32767L)
sample = 32767L;
if (sample < -32768L)
sample = -32768L;
*outbuff++ = (unsigned short)sample;
// Second nibble
fastindex += token >> 4;
sample += DiffTable[fastindex];
fastindex = IndexTable[fastindex];
if (sample > 32767L)
sample = 32767L;
if (sample < -32768L)
sample = -32768L;
*outbuff++ = (unsigned short)sample;
} while(--numbytes);
SkipLoop:
// Put local vars back
info->dwSampleIndex = (unsigned long)fastindex;
info->dwPredicted = sample;
return(numbytes << 2);
}
}