Initial release

To be changed to use the miniLZO library instead of using the RLE compression

amxmodx/amxxfile.h

@@ -0,0 +1,87 @@
+/* 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__
+
+class CAmxxReader
+{
+public:
+	enum Error
+	{
+		Err_None=0,
+		Err_InvalidParam,
+		Err_FileOpen,
+		Err_FileRead,
+		Err_FileInvalid,
+		Err_SectionNotFound
+	};
+private:
+	typedef char		mint8_t;
+	typedef short		mint16_t;
+	typedef long		mint32_t;
+
+	struct TableEntry
+	{
+		mint8_t cellSize;
+		mint32_t origSize;			// contains AMX_HEADER->stp
+		mint32_t offset;
+	};
+
+	// These functions don't access members
+	static void _RLE_WriteRep(unsigned char *out, unsigned int *outpos,
+		unsigned char marker, unsigned char symbol, unsigned int count);
+	static void _RLE_WriteNonRep(unsigned char *out, unsigned int *outpos,
+		unsigned char marker, unsigned char symbol);
+	static int RLE_Compress(unsigned char *in, unsigned char *out,
+		unsigned int insize);
+	static void RLE_Uncompress(unsigned char *in, unsigned char *out,
+		unsigned int insize);
+
+	Error m_Status;
+	FILE *m_pFile;
+
+	bool m_OldFile;					// old .amx file
+
+	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
+};
+
+
+#endif // __AMXXFILE_H__