amxmodx/amxmodx/amxxfile.h
2006-08-28 11:08:18 +00:00

99 lines
2.8 KiB
C++
Executable File

/* AMX Mod X
*
* by the AMX Mod X Development Team
* originally developed by OLO
*
*
* 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, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* In addition, as a special exception, the author gives permission to
* link the code of this program with the Half-Life Game Engine ("HL
* Engine") and Modified Game Libraries ("MODs") developed by Valve,
* L.L.C ("Valve"). You must obey the GNU General Public License in all
* respects for all of the code used other than the HL Engine and MODs
* from Valve. If you modify this file, you may extend this exception
* to your version of the file, but you are not obligated to do so. If
* you do not wish to do so, delete this exception statement from your
* version.
*/
#ifndef __AMXXFILE_H__
#define __AMXXFILE_H__
#define MAGIC_HEADER 0x414D5842
#define MAGIC_HEADER2 0x414D5858
#define MAGIC_VERSION 0x0300
typedef char mint8_t;
typedef int16_t mint16_t;
typedef int32_t mint32_t;
struct PluginEntry
{
mint8_t cellsize; //cell size
int32_t imagesize; //uncompressed image size
int32_t disksize; //compressed image size
int32_t memsize; //memory image size
int32_t offs; //file offset
};
struct BinHeader
{
int32_t magic;
mint16_t version;
mint8_t numPlugins;
PluginEntry *plugins;
};
class CAmxxReader
{
public:
enum Error
{
Err_None=0,
Err_InvalidParam,
Err_FileOpen,
Err_FileRead,
Err_FileInvalid,
Err_SectionNotFound,
Err_DecompressorInit,
Err_Decompress,
Err_OldFile,
};
private:
Error m_Status;
FILE *m_pFile;
bool m_OldFile; // old .amx file
bool m_AmxxFile; // new 'AMXX' header format
BinHeader m_Bh; // binary header
int m_Entry; // entry #
int m_CellSize;
int m_SectionHdrOffset; // offset to the table in the header that describes the required section
int m_SectionLength;
public:
CAmxxReader(const char *filename, int cellsize);
~CAmxxReader();
Error GetStatus(); // Get the current status
size_t GetBufferSize(); // Get the size for the buffer
Error GetSection(void *buffer); // Copy the currently selected section to the buffer
inline bool IsOldFile() const { return m_OldFile; }
};
#endif // __AMXXFILE_H__