BeamMP-Launcher/src/Network/Compressor.cpp

53 lines
1.5 KiB
C++

///
/// Created by Anonymous275 on 1/30/22
/// Copyright (c) 2021-present Anonymous275 read the LICENSE file for more info.
///
#include "Compressor.h"
#include <zlib.h>
#define Biggest 30000
std::string Zlib::Comp(std::string Data){
char*C = new char[Biggest];
memset(C, 0, Biggest);
z_stream defstream;
defstream.zalloc = Z_NULL;
defstream.zfree = Z_NULL;
defstream.opaque = Z_NULL;
defstream.avail_in = (uInt)Data.length();
defstream.next_in = (Bytef *)&Data[0];
defstream.avail_out = Biggest;
defstream.next_out = reinterpret_cast<Bytef *>(C);
deflateInit(&defstream, Z_BEST_COMPRESSION);
deflate(&defstream, Z_SYNC_FLUSH);
deflate(&defstream, Z_FINISH);
deflateEnd(&defstream);
uint32_t TO = defstream.total_out;
std::string Ret(TO,0);
memcpy_s(&Ret[0],TO,C,TO);
delete [] C;
return Ret;
}
std::string Zlib::DeComp(std::string Compressed){
char*C = new char[Biggest];
memset(C, 0, Biggest);
z_stream infstream;
infstream.zalloc = Z_NULL;
infstream.zfree = Z_NULL;
infstream.opaque = Z_NULL;
infstream.avail_in = Biggest;
infstream.next_in = (Bytef *)(&Compressed[0]);
infstream.avail_out = Biggest;
infstream.next_out = (Bytef *)(C);
inflateInit(&infstream);
inflate(&infstream, Z_SYNC_FLUSH);
inflate(&infstream, Z_FINISH);
inflateEnd(&infstream);
uint32_t TO = infstream.total_out;
std::string Ret(TO,0);
memcpy_s(&Ret[0],TO,C,TO);
delete [] C;
return Ret;
}