Initial commit of Command & Conquer Generals and Command & Conquer Generals Zero Hour source code.
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LFeenanEA
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6072 changed files with 2283311 additions and 0 deletions
4
Generals/Code/Libraries/Source/Compression/LZHCompress/CompLibHeader/.gitignore
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4
Generals/Code/Libraries/Source/Compression/LZHCompress/CompLibHeader/.gitignore
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# Ignore everything in this directory
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*
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# Except this file
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!.gitignore
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4
Generals/Code/Libraries/Source/Compression/LZHCompress/CompLibSource/.gitignore
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Generals/Code/Libraries/Source/Compression/LZHCompress/CompLibSource/.gitignore
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# Ignore everything in this directory
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*
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# Except this file
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!.gitignore
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/*
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** Command & Conquer Generals(tm)
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** Copyright 2025 Electronic Arts Inc.
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**
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** This program is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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// compress.c
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// Compress interface for packets and files
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// Author: Jeff Brown, January 1999
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#include <stdio.h>
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#include <stdlib.h>
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#include "Lib/basetype.h"
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#include "Noxcompress.h"
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#include "CompLibHeader/lzhl.h"
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#ifdef _INTERNAL
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// for occasional debugging...
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//#pragma optimize("", off)
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//#pragma message("************************************** WARNING, optimization disabled for debugging purposes")
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#endif
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#define BLOCKSIZE 500000
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#define NoxRead fread
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#define DbgMalloc malloc
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#define DbgFree free
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#define DEBUG_LOG(x) {}
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Bool DecompressFile (char *infile, char *outfile)
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{
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UnsignedInt rawSize = 0, compressedSize = 0;
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FILE *inFilePtr = NULL;
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FILE *outFilePtr= NULL;
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char *inBlock = NULL;
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char *outBlock = NULL;
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LZHL_DHANDLE decompress;
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Int ok = 0;
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UnsignedInt srcSz, dstSz;
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// Parameter checking
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if (( infile == NULL ) || ( outfile == NULL ))
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return FALSE;
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inFilePtr = fopen( infile, "rb" );
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if ( inFilePtr )
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{
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// Allocate the appropriate amount of memory
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// Get compressed size of file.
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fseek( inFilePtr, 0, SEEK_END );
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compressedSize = ftell( inFilePtr );
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fseek( inFilePtr, 0, SEEK_SET );
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compressedSize -= sizeof(UnsignedInt);
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// Get uncompressed size. Don't worry about endian,
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// this is always INTEL baby!
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NoxRead(&rawSize, 1, sizeof(UnsignedInt), inFilePtr);
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// This is ick, but allocate a BIIIIG chunk o' memory x 2
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inBlock = (char *) DbgMalloc( compressedSize );
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outBlock= (char *) DbgMalloc( rawSize );
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if (( inBlock == NULL ) || ( outBlock == NULL ))
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return FALSE;
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// Read in a big chunk o file
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NoxRead(inBlock, 1, compressedSize, inFilePtr);
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fclose(inFilePtr);
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// Decompress
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srcSz = compressedSize;
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dstSz = rawSize;
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// Just Do it!
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decompress = LZHLCreateDecompressor();
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for (;;)
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{
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ok = LZHLDecompress( decompress, outBlock + rawSize - dstSz, &dstSz,
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inBlock + compressedSize - srcSz, &srcSz);
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if ( !ok )
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break;
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if (srcSz <= 0)
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break;
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}
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DEBUG_LOG(("Decompressed %s to %s, output size = %d\n", infile, outfile, rawSize));
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LZHLDestroyDecompressor(decompress);
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outFilePtr = fopen(outfile, "wb");
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if (outFilePtr)
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{
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fwrite (outBlock, rawSize, 1, outFilePtr);
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fclose(outFilePtr);
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}
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else
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return FALSE;
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// Clean up this mess
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DbgFree(inBlock);
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DbgFree(outBlock);
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return TRUE;
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} // End of if fileptr
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return FALSE;
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}
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Bool CompressFile (char *infile, char *outfile)
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{
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UnsignedInt rawSize = 0;
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UnsignedInt compressedSize = 0, compressed = 0, i = 0;
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FILE *inFilePtr = NULL;
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FILE *outFilePtr= NULL;
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char *inBlock = NULL;
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char *outBlock = NULL;
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LZHL_CHANDLE compressor;
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UnsignedInt blocklen;
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// Parameter checking
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if (( infile == NULL ) || ( outfile == NULL ))
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return FALSE;
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// Allocate the appropriate amount of memory
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inFilePtr = fopen( infile, "rb" );
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if ( inFilePtr )
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{
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// Get size of file.
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fseek( inFilePtr, 0, SEEK_END );
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rawSize = ftell( inFilePtr );
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fseek( inFilePtr, 0, SEEK_SET );
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// This is ick, but allocate a BIIIIG chunk o' memory x 2
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inBlock = (char *) DbgMalloc(rawSize);
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outBlock= (char *) DbgMalloc( LZHLCompressorCalcMaxBuf( rawSize ));
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if (( inBlock == NULL ) || ( outBlock == NULL ))
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return FALSE;
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// Read in a big chunk o file
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NoxRead(inBlock, 1, rawSize, inFilePtr);
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fclose(inFilePtr);
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// Compress
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compressor = LZHLCreateCompressor();
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for ( i = 0; i < rawSize; i += BLOCKSIZE )
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{
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blocklen = min((UnsignedInt)BLOCKSIZE, rawSize - i);
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compressed = LZHLCompress(compressor, outBlock + compressedSize, inBlock + i, blocklen);
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compressedSize += compressed;
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}
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LZHLDestroyCompressor(compressor);
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outFilePtr = fopen(outfile, "wb");
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if (outFilePtr)
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{
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// write out the uncompressed size first.
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fwrite(&rawSize, sizeof(UnsignedInt), 1, outFilePtr);
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fwrite(outBlock, compressedSize, 1, outFilePtr);
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fclose(outFilePtr);
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}
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else
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return FALSE;
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// Clean up
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DbgFree(inBlock);
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DbgFree(outBlock);
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return TRUE;
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}
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return FALSE;
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}
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Bool CompressPacket (char *inPacket, char *outPacket)
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{
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// Parameter checking
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if (( inPacket == NULL ) || ( outPacket == NULL ))
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return FALSE;
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return TRUE;
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}
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Bool DecompressPacket (char *inPacket, char *outPacket)
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{
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// Parameter checking
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if (( inPacket == NULL ) || ( outPacket == NULL ))
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return FALSE;
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return TRUE;
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}
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UnsignedInt CalcNewSize (UnsignedInt rawSize)
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{
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return LZHLCompressorCalcMaxBuf(rawSize);
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}
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Bool DecompressMemory (void *inBufferVoid, Int inSize, void *outBufferVoid, Int& outSize)
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{
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UnsignedByte *inBuffer = (UnsignedByte *)inBufferVoid;
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UnsignedByte *outBuffer = (UnsignedByte *)outBufferVoid;
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UnsignedInt rawSize = 0, compressedSize = 0;
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LZHL_DHANDLE decompress;
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Int ok = 0;
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UnsignedInt srcSz, dstSz;
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// Parameter checking
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if (( inBuffer == NULL ) || ( outBuffer == NULL ) || ( inSize < 4 ) || ( outSize == 0 ))
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return FALSE;
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// Get compressed size of file.
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compressedSize = inSize;
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// Get uncompressed size.
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rawSize = outSize;
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// Decompress
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srcSz = compressedSize;
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dstSz = rawSize;
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// Just Do it!
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decompress = LZHLCreateDecompressor();
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for (;;)
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{
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ok = LZHLDecompress( decompress, outBuffer + rawSize - dstSz, &dstSz,
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inBuffer + compressedSize - srcSz, &srcSz);
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if ( !ok )
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break;
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if (srcSz <= 0)
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break;
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}
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LZHLDestroyDecompressor(decompress);
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outSize = rawSize;
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return TRUE;
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}
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Bool CompressMemory (void *inBufferVoid, Int inSize, void *outBufferVoid, Int& outSize)
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{
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UnsignedByte *inBuffer = (UnsignedByte *)inBufferVoid;
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UnsignedByte *outBuffer = (UnsignedByte *)outBufferVoid;
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UnsignedInt rawSize = 0;
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UnsignedInt compressedSize = 0, compressed = 0, i = 0;
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LZHL_CHANDLE compressor;
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UnsignedInt blocklen;
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// Parameter checking
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if (( inBuffer == NULL ) || ( outBuffer == NULL ) || ( inSize < 4 ) || ( outSize == 0 ))
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return FALSE;
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rawSize = inSize;
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// Compress
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compressor = LZHLCreateCompressor();
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for ( i = 0; i < rawSize; i += BLOCKSIZE )
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{
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blocklen = min((UnsignedInt)BLOCKSIZE, rawSize - i);
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compressed = LZHLCompress(compressor, outBuffer + compressedSize, inBuffer + i, blocklen);
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compressedSize += compressed;
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}
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LZHLDestroyCompressor(compressor);
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outSize = compressedSize;
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return TRUE;
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}
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@ -0,0 +1,40 @@
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/*
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** Command & Conquer Generals(tm)
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** Copyright 2025 Electronic Arts Inc.
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**
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** This program is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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// compress.h
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// Compress/Decompression header.
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// Author: Jeff Brown, January 1999
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#ifndef __compress_h
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#define __compress_h
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#define MAP_EXTENSION ".map"
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#define LZH_EXTENSION ".nxz"
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#define RUL_EXTENSION ".rul"
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Bool DecompressFile (char *infile, char *outfile);
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Bool CompressFile (char *infile, char *outfile);
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Bool CompressPacket (char *inPacket, char *outPacket);
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Bool DecompressPacket (char *inPacket, char *outPacket);
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UnsignedInt CalcNewSize (UnsignedInt rawSize);
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Bool DecompressMemory (void *inBufferVoid, Int inSize, void *outBufferVoid, Int& outSize);
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Bool CompressMemory (void *inBufferVoid, Int inSize, void *outBufferVoid, Int& outSize);
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#endif __compress_h
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