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@@ -0,0 +1,216 @@
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+#include "CLodHandler.h"
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+#include "stdafx.h"
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+
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+int CLodHandler::decompress (unsigned char * source, int size, int realSize, std::ofstream & dest)
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+{
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+ std::ofstream lb;
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+ lb.open("lodbuf\\buf.gz", std::ios::out|std::ios::binary);
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+ for(int i=0; i<size; ++i)
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+ {
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+ lb<<source[i];
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+ }
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+ lb.close();
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+
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+ FILE * inputf = fopen("lodbuf\\buf.gz", "rb+");
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+ FILE * outputf = fopen("lodbuf\\buf.un", "wb+");
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+
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+ int ret = infm(inputf, outputf);
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+ fclose(inputf);
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+ fclose(outputf);
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+ return ret;
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+}
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+
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+int CLodHandler::decompress (unsigned char * source, int size, int realSize, std::string & dest)
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+{
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+ std::ofstream lb;
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+ lb.open("lodbuf\\buf.gz", std::ios::out|std::ios::binary);
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+ for(int i=0; i<size; ++i)
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+ {
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+ lb<<source[i];
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+ }
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+ lb.close();
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+
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+ FILE * inputf = fopen("lodbuf\\buf.gz", "rb+");
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+ FILE * outputf = fopen(dest.c_str(), "wb+");
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+
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+ int ret = infm(inputf, outputf);
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+ fclose(inputf);
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+ fclose(outputf);
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+ return ret;
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+}
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+
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+int CLodHandler::infm(FILE *source, FILE *dest, int wBits)
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+{
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+ int ret;
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+ unsigned have;
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+ z_stream strm;
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+ unsigned char in[NLoadHandlerHelp::fCHUNK];
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+ unsigned char out[NLoadHandlerHelp::fCHUNK];
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+
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+ /* allocate inflate state */
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+ strm.zalloc = Z_NULL;
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+ strm.zfree = Z_NULL;
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+ strm.opaque = Z_NULL;
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+ strm.avail_in = 0;
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+ strm.next_in = Z_NULL;
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+ ret = inflateInit2(&strm, wBits);
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+ if (ret != Z_OK)
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+ return ret;
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+
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+ /* decompress until deflate stream ends or end of file */
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+ do
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+ {
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+ strm.avail_in = fread(in, 1, NLoadHandlerHelp::fCHUNK, source);
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+ if (ferror(source)) {
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+ (void)inflateEnd(&strm);
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+ return Z_ERRNO;
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+ }
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+ if (strm.avail_in == 0)
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+ break;
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+ strm.next_in = in;
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+
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+ /* run inflate() on input until output buffer not full */
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+ do
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+ {
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+ strm.avail_out = NLoadHandlerHelp::fCHUNK;
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+ strm.next_out = out;
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+ ret = inflate(&strm, Z_NO_FLUSH);
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+ //assert(ret != Z_STREAM_ERROR); /* state not clobbered */
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+ switch (ret)
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+ {
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+ case Z_NEED_DICT:
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+ ret = Z_DATA_ERROR; /* and fall through */
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+ case Z_DATA_ERROR:
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+ case Z_MEM_ERROR:
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+ (void)inflateEnd(&strm);
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+ return ret;
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+ }
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+ have = NLoadHandlerHelp::fCHUNK - strm.avail_out;
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+ if (fwrite(out, 1, have, dest) != have || ferror(dest))
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+ {
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+ (void)inflateEnd(&strm);
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+ return Z_ERRNO;
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+ }
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+ } while (strm.avail_out == 0);
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+
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+ /* done when inflate() says it's done */
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+ } while (ret != Z_STREAM_END);
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+
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+ /* clean up and return */
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+ (void)inflateEnd(&strm);
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+ return ret == Z_STREAM_END ? Z_OK : Z_DATA_ERROR;
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+}
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+
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+void CLodHandler::extract(std::string FName)
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+{
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+ std::ifstream FLOD;
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+ std::ofstream FOut;
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+ int i;
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+
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+ std::string Ts;
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+ //std::cout<<"*** Loading FAT ... \n";
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+ FLOD.open(FName.c_str(),std::ios::binary);
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+ //std::cout<<"*** Archive: "+FName+" loaded\n";
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+ FLOD.seekg(8,std::ios_base::beg);
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+ unsigned char temp[4];
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+ FLOD.read((char*)temp,4);
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+ totalFiles = readNormalNr(temp,4);
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+ FLOD.seekg(0x5c,std::ios_base::beg);
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+ entries.reserve(totalFiles);
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+ //std::cout<<"*** Loading FAT ...\n";
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+ for (int i=0; i<totalFiles; i++)
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+ {
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+ entries.push_back(Entry());
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+ //FLOD.read((char*)entries[i].name,12);
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+ char * bufc = new char;
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+ bool appending = true;
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+ for(int kk=0; kk<12; ++kk)
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+ {
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+ FLOD.read(bufc, 1);
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+ if(appending)
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+ {
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+ entries[i].name[kk] = *bufc;
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+ }
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+ else
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+ {
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+ entries[i].name[kk] = 0;
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+ appending = false;
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+ }
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+ }
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+ delete bufc;
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+ FLOD.read((char*)entries[i].hlam_1,4);
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+ FLOD.read((char*)temp,4);
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+ entries[i].offset=readNormalNr(temp,4);
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+ FLOD.read((char*)temp,4);
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+ entries[i].realSize=readNormalNr(temp,4);
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+ FLOD.read((char*)entries[i].hlam_2,4);
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+ FLOD.read((char*)temp,4);
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+ entries[i].size=readNormalNr(temp,4);
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+ }
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+ //std::cout<<" done\n";
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+ for (int i=0;i<totalFiles;i++)
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+ {
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+ FLOD.seekg(entries[i].offset,std::ios_base::beg);
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+ std::string bufff = (FName.substr(0, FName.size()-4) + "\\" + (char*)entries[i].name);
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+ unsigned char * outp;
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+ if (entries[i].size==0) //file is not compressed
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+ {
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+ outp = new unsigned char[entries[i].realSize];
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+ FLOD.read((char*)outp, entries[i].realSize);
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+ std::ofstream out;
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+ out.open(bufff.c_str(), std::ios::binary);
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+ if(!out.is_open())
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+ {
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+ std::cout<<"Unable to create "<<bufff;
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+ }
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+ else
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+ {
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+ for(int hh=0; hh<entries[i].realSize; ++hh)
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+ {
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+ out<<*(outp+hh);
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+ }
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+ out.close();
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+ }
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+ }
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+ else
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+ {
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+ outp = new unsigned char[entries[i].size];
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+ FLOD.read((char*)outp, entries[i].size);
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+ FLOD.seekg(0, std::ios_base::beg);
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+ int decRes = decompress(outp, entries[i].size, entries[i].realSize, bufff);
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+ if(decRes!=0)
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+ {
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+ std::cout<<"LOD Extraction error"<<" "<<decRes<<" while extracting to "<<bufff<<std::endl;
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+ }
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+ }
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+ //for (int j=0; j<entries[i].size; j++)
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+ // FOut << outp[j];
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+ //FOut.flush();
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+ delete outp;
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+ //FOut.close();
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+ //std::cout<<"*** done\n";
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+ }
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+ FLOD.close();
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+ //std::cout<<"*** Archive: "+FName+" closed\n";
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+}
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+
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+int CLodHandler::readNormalNr (unsigned char* bufor, int bytCon, bool cyclic)
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+{
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+ int ret=0;
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+ int amp=1;
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+ for (int i=0; i<bytCon; i++)
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+ {
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+ ret+=bufor[i]*amp;
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+ amp*=256;
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+ }
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+ if(cyclic && bytCon<4 && ret>=amp/2)
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+ {
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+ ret = ret-amp;
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+ }
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+ return ret;
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+}
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+
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+void CLodHandler::init(std::string lodFile)
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+{
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+ extract(lodFile);
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+}
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