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module_reader.h

Go to the documentation of this file.

#ifndef header_module_reader
#define header_module_reader

/*
 * The following structure is the ClanLib file reader driver for MikMod.
 * In fact MikMod core functions expect an MREADER struct, so the first
 * field of MCLANLIBREADER (core) is an MREADER, and this way the MikMod
 * code can access correctly all the fields of the MREADER core struct,
 * while we provide an additionnal pointer (input) to handle the file,
 * which is a CL_InputSource in ClanLib's case.
 * This method might look like an ugly hack but MikMod does this internally,
 * with an MFILEREADER struct casted an into a plain MREADER.
 */
extern "C" 
{
#include <mikmod.h>

        typedef struct MCLANLIBREADER {
                MREADER core;
                void *input;
        } MCLANLIBREADER;
}

#define CLANLIB_READER_CHANNELS      8

extern BOOL clanlib_reader_feof(MREADER* reader);
extern BOOL clanlib_reader_read(MREADER* reader,void* ptr,size_t size);
extern int clanlib_reader_get(MREADER* reader);
extern BOOL clanlib_reader_seek(MREADER* reader,long offset,int whence);
extern long clanlib_reader_tell(MREADER* reader);
extern MREADER *new_clanlib_reader(void *input);
extern void delete_clanlib_reader (MREADER* reader);

#endif

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