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91 lines
2.4 KiB
C++
91 lines
2.4 KiB
C++
#ifndef __CLODHANDLER_H__
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#define __CLODHANDLER_H__
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#include "../global.h"
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#include <fstream>
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#include <vector>
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#include <string>
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#include "../nodrze.h"
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#include <SDL_stdinc.h>
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/*
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* CLodhandler.h, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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struct SDL_Surface;
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class CDefHandler;
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class CDefEssential;
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namespace boost
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{class mutex;}
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namespace NLoadHandlerHelp
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{
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const int dmHelp=0, dmNoExtractingMask=1;
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//std::string P1,P2,CurDir;
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const int fCHUNK = 50000;
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}
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struct LodEntry {
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char filename[16];
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Uint32 offset; /* little endian */
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Uint32 uncompressedSize; /* little endian */
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Uint32 unused; /* little endian */
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Uint32 size; /* little endian */
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};
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DLL_EXPORT int readNormalNr (const unsigned char * bufor, int pos, int bytCon = 4, bool cyclic = false);
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DLL_EXPORT char readChar(const unsigned char * bufor, int &i);
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DLL_EXPORT std::string readString(const unsigned char * bufor, int &i);
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struct Entry
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{
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// Info extracted from LOD file
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std::string nameStr,
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realName;
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int offset, //from beginning
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realSize, //size without compression
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size; //and with
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bool operator<(const std::string & comp) const
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{
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return nameStr<comp;
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}
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bool operator<(const Entry & comp) const
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{
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return nameStr<comp.nameStr;
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}
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Entry(std::string con): nameStr(con){};
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//Entry(unsigned char ): nameStr(con){};
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Entry(){};
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};
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class DLL_EXPORT CLodHandler
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{
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std::ifstream LOD;
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unsigned int totalFiles;
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boost::mutex *mutex;
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std::string myDir; //load files from this dir instead of .lod file
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public:
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nodrze<Entry> entries;
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CLodHandler();
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~CLodHandler();
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int infs2(unsigned char * in, int size, int realSize, unsigned char*& out, int wBits=15); //zlib fast handler
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unsigned char * giveFile(std::string defName, int * length=NULL); //returns pointer to the decompressed data - it must be deleted when no longer needed!
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std::string getTextFile(std::string name); //extracts one file
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void extractFile(std::string FName, std::string name); //extracts a specific file
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void init(std::string lodFile, std::string dirName);
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static unsigned char * getUnpackedFile(const std::string & path, int * sizeOut); //loads given file, decompresses and returns
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};
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#endif // __CLODHANDLER_H__
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