loadlib.h

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/*
 * Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
 * Copyright (C) 2005-2011 MaNGOS <http://getmangos.com/>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef LOAD_LIB_H
#define LOAD_LIB_H

#include "Define.h"
#ifdef PLATFORM_WINDOWS
#undef PLATFORM_WINDOWS
#endif
#include "CascLib.h"
#include <map>
#include <string>

#ifndef _WIN32
int GetLastError();
#endif

#define FILE_FORMAT_VERSION 18

#pragma pack(push, 1)

union u_map_fcc
{
 char fcc_txt[4];
 uint32 fcc;
};

//
// File version chunk
//
struct file_MVER
{
 union{
 uint32 fcc;
 char fcc_txt[4];
 };
 uint32 size;
 uint32 ver;
};

struct file_MWMO
{
 u_map_fcc fcc;
 uint32 size;
 char FileList[1];
};

class FileChunk
{
public:
 FileChunk(uint8* data_, uint32 size_) : data(data_), size(size_) { }
 ~FileChunk();

 uint8* data;
 uint32 size;

 template<class T>
 T* As() { return (T*)data; }
 void parseSubChunks();
 std::multimap<std::string, FileChunk*> subchunks;
 FileChunk* GetSubChunk(std::string const& name);
};

class ChunkedFile
{
public:
 uint8 *data;
 uint32 data_size;

 uint8 *GetData() { return data; }
 uint32 GetDataSize() { return data_size; }

 ChunkedFile();
 virtual ~ChunkedFile();
 bool prepareLoadedData();
 bool loadFile(HANDLE mpq, std::string const& fileName, bool log = true);
 void free();

 void parseChunks();
 std::multimap<std::string, FileChunk*> chunks;
 FileChunk* GetChunk(std::string const& name);
};

#pragma pack(pop)

#endif