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utils/xbox/MakeGameData/sound_io.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+/*****************************************************************************
+	SOUND_IO.CPP
+
+	IO class for RIFF
+*****************************************************************************/
+#include "../toollib/toollib.h"
+#include "tier2/riff.h"
+
+//-----------------------------------------------------------------------------
+// Purpose: Implements Audio IO on the engine's COMMON filesystem
+//-----------------------------------------------------------------------------
+class COM_IOReadBinary : public IFileReadBinary
+{
+public:
+	int open( const char *pFileName );
+	int read( void *pOutput, int size, int file );
+	void seek( int file, int pos );
+	unsigned int tell( int file );
+	unsigned int size( int file );
+	void close( int file );
+};
+
+
+int COM_IOReadBinary::open( const char *pFileName )
+{
+	int hFile = -1;
+
+	_sopen_s( &hFile, pFileName, _O_RDONLY|_O_BINARY, _SH_DENYWR, _S_IREAD );
+
+	return hFile;
+}
+
+int COM_IOReadBinary::read( void *pOutput, int size, int file )
+{
+	return _read( file, pOutput, size );
+}
+
+void COM_IOReadBinary::seek( int file, int pos )
+{
+	_lseek( file, pos, SEEK_SET );
+}
+
+unsigned int COM_IOReadBinary::tell( int file )
+{
+	return _lseek( file, 0, SEEK_CUR );
+}
+
+unsigned int COM_IOReadBinary::size( int file )
+{
+	long	pos;
+	long	length;
+
+	pos = _lseek( file, 0, SEEK_CUR );
+	length = _lseek( file, 0, SEEK_END );
+	_lseek( file, pos, SEEK_SET );
+
+	return length;
+}
+
+void COM_IOReadBinary::close( int file )
+{
+	_close( file );
+}
+
+static COM_IOReadBinary io;
+IFileReadBinary *g_pSndIO = &io;
+