mirror of
https://github.com/alliedmodders/amxmodx.git
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99 lines
2.8 KiB
C++
Executable File
99 lines
2.8 KiB
C++
Executable File
/* AMX Mod X
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*
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* by the AMX Mod X Development Team
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* originally developed by OLO
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*
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* In addition, as a special exception, the author gives permission to
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* link the code of this program with the Half-Life Game Engine ("HL
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* Engine") and Modified Game Libraries ("MODs") developed by Valve,
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* L.L.C ("Valve"). You must obey the GNU General Public License in all
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* respects for all of the code used other than the HL Engine and MODs
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* from Valve. If you modify this file, you may extend this exception
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* to your version of the file, but you are not obligated to do so. If
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* you do not wish to do so, delete this exception statement from your
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* version.
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*/
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#ifndef __AMXXFILE_H__
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#define __AMXXFILE_H__
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#define MAGIC_HEADER 0x414D5842
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#define MAGIC_HEADER2 0x414D5858
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#define MAGIC_VERSION 0x0300
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typedef char mint8_t;
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typedef int16_t mint16_t;
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typedef int32_t mint32_t;
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struct PluginEntry
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{
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mint8_t cellsize; //cell size
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int32_t imagesize; //uncompressed image size
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int32_t disksize; //compressed image size
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int32_t memsize; //memory image size
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int32_t offs; //file offset
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};
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struct BinHeader
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{
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int32_t magic;
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mint16_t version;
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mint8_t numPlugins;
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PluginEntry *plugins;
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};
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class CAmxxReader
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{
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public:
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enum Error
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{
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Err_None=0,
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Err_InvalidParam,
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Err_FileOpen,
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Err_FileRead,
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Err_FileInvalid,
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Err_SectionNotFound,
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Err_DecompressorInit,
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Err_Decompress,
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Err_OldFile,
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};
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private:
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Error m_Status;
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FILE *m_pFile;
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bool m_OldFile; // old .amx file
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bool m_AmxxFile; // new 'AMXX' header format
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BinHeader m_Bh; // binary header
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int m_Entry; // entry #
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int m_CellSize;
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int m_SectionHdrOffset; // offset to the table in the header that describes the required section
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int m_SectionLength;
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public:
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CAmxxReader(const char *filename, int cellsize);
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~CAmxxReader();
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Error GetStatus(); // Get the current status
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size_t GetBufferSize(); // Get the size for the buffer
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Error GetSection(void *buffer); // Copy the currently selected section to the buffer
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inline bool IsOldFile() const { return m_OldFile; }
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};
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#endif // __AMXXFILE_H__
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