mirror of
https://github.com/vcmi/vcmi.git
synced 2024-11-28 08:48:48 +02:00
125 lines
3.5 KiB
C++
125 lines
3.5 KiB
C++
#ifndef __CLODHANDLER_H__
|
|
#define __CLODHANDLER_H__
|
|
#include "../global.h"
|
|
#include <vector>
|
|
#include <string>
|
|
#include <fstream>
|
|
#include <set>
|
|
#include <map>
|
|
#include <boost/unordered_set.hpp>
|
|
|
|
/*
|
|
* CLodhandler.h, part of VCMI engine
|
|
*
|
|
* Authors: listed in file AUTHORS in main folder
|
|
*
|
|
* License: GNU General Public License v2.0 or later
|
|
* Full text of license available in license.txt file, in main folder
|
|
*
|
|
*/
|
|
|
|
namespace boost
|
|
{class mutex;}
|
|
namespace NLoadHandlerHelp
|
|
{
|
|
const int dmHelp=0, dmNoExtractingMask=1;
|
|
//std::string P1,P2,CurDir;
|
|
const int fCHUNK = 50000;
|
|
}
|
|
|
|
struct LodEntry {
|
|
char filename[16];
|
|
ui32 offset; /* little endian */
|
|
ui32 uncompressedSize; /* little endian */
|
|
ui32 unused; /* little endian */
|
|
ui32 size; /* little endian */
|
|
};
|
|
|
|
DLL_EXPORT int readNormalNr (const unsigned char * bufor, int pos, int bytCon = 4, bool cyclic = false);
|
|
|
|
DLL_EXPORT char readChar(const unsigned char * bufor, int &i);
|
|
|
|
DLL_EXPORT std::string readString(const unsigned char * bufor, int &i);
|
|
|
|
enum LodFileType{
|
|
FILE_ANY,
|
|
FILE_TEXT,
|
|
FILE_ANIMATION,
|
|
FILE_MASK,
|
|
FILE_CAMPAIGN,
|
|
FILE_MAP,
|
|
FILE_FONT,
|
|
FILE_GRAPHICS,
|
|
FILE_OTHER
|
|
};
|
|
|
|
|
|
struct Entry
|
|
{
|
|
// Info extracted from LOD file
|
|
std::string name,
|
|
realName;//for external files - case\extension may not match
|
|
int offset, //from beginning
|
|
realSize, //size without compression
|
|
size; //and with
|
|
LodFileType type;// file type determined by extension
|
|
|
|
bool operator == (const Entry & comp) const
|
|
{
|
|
return (type==comp.type || comp.type== FILE_ANY) && name==comp.name;
|
|
}
|
|
|
|
Entry(std::string con, LodFileType TYPE): name(con), type(TYPE){};
|
|
Entry(std::string con): name(con){};
|
|
Entry(){};
|
|
};
|
|
namespace boost
|
|
{
|
|
template<>
|
|
struct hash<Entry> : public std::unary_function<Entry, std::size_t>
|
|
{
|
|
private:
|
|
hash<std::string> stringHasher;
|
|
public:
|
|
std::size_t operator()(Entry const& en) const
|
|
{
|
|
//do NOT improve this hash function as we need same-name hash collisions for find to work properly
|
|
return stringHasher(en.name);
|
|
}
|
|
};
|
|
|
|
}
|
|
|
|
class DLL_EXPORT CLodHandler
|
|
{
|
|
std::map<std::string, LodFileType> extMap;// to convert extensions to file type
|
|
|
|
std::ifstream LOD;
|
|
unsigned int totalFiles;
|
|
boost::mutex *mutex;
|
|
std::string myDir; //load files from this dir instead of .lod file
|
|
|
|
void initEntry(Entry &e, const std::string name);
|
|
int infs2(unsigned char * in, int size, int realSize, unsigned char*& out, int wBits=15); //zlib fast handler
|
|
|
|
public:
|
|
//convert string to upper case and remove extension. If extension!=NULL -> it will be copied here (including dot)
|
|
void convertName(std::string &filename, std::string *extension=NULL);
|
|
|
|
boost::unordered_set<Entry> entries;
|
|
|
|
CLodHandler();
|
|
~CLodHandler();
|
|
void init(const std::string lodFile, const std::string dirName);
|
|
std::string getFileName(std::string lodFile, LodFileType type=FILE_ANY);
|
|
unsigned char * giveFile(std::string defName, LodFileType type=FILE_ANY, int * length=NULL); //returns pointer to the decompressed data - it must be deleted when no longer needed!
|
|
bool haveFile(std::string name, LodFileType type=FILE_ANY);//check if file is present in lod
|
|
std::string getTextFile(std::string name, LodFileType type=FILE_TEXT); //extracts one file
|
|
void extractFile(const std::string FName, const std::string name); //extracts a specific file
|
|
|
|
static unsigned char * getUnpackedFile(const std::string & path, int * sizeOut); //loads given file, decompresses and returns
|
|
};
|
|
|
|
|
|
#endif // __CLODHANDLER_H__
|