//===== Copyright © 1996-2005, Valve Corporation, All rights reserved. ======// // // Purpose: // // $NoKeywords: $ // //===========================================================================// #include "tier2/riff.h" #include "snd_io.h" #include "filesystem.h" #include "filesystem_engine.h" #include "tier1/strtools.h" // memdbgon must be the last include file in a .cpp file!!! #include "tier0/memdbgon.h" //----------------------------------------------------------------------------- // Purpose: Implements Audio IO on the engine's COMMON filesystem //----------------------------------------------------------------------------- class COM_IOReadBinary : public IFileReadBinary { public: FileHandle_t open( const char *pFileName ); int read( void *pOutput, int size, FileHandle_t file ); void seek( FileHandle_t file, int pos ); unsigned int tell( FileHandle_t file ); unsigned int size( FileHandle_t file ); void close( FileHandle_t file ); }; // prepend sound/ to the filename -- all sounds are loaded from the sound/ directory FileHandle_t COM_IOReadBinary::open( const char *pFileName ) { char namebuffer[512]; FileHandle_t hFile; Q_strncpy( namebuffer, "sound", sizeof( namebuffer ) ); // the server is sending back sound names with slashes in front... if ( pFileName[0] != '/' && pFileName[0] != '\\' ) { Q_strncat( namebuffer, "/", sizeof( namebuffer ), COPY_ALL_CHARACTERS ); } Q_strncat( namebuffer, pFileName, sizeof( namebuffer ), COPY_ALL_CHARACTERS ); hFile = g_pFileSystem->Open( namebuffer, "rb", "GAME" ); return hFile; } int COM_IOReadBinary::read( void *pOutput, int size, FileHandle_t file ) { if ( !file ) return 0; return g_pFileSystem->Read( pOutput, size, file ); } void COM_IOReadBinary::seek( FileHandle_t file, int pos ) { if ( !file ) return; g_pFileSystem->Seek( file, pos, FILESYSTEM_SEEK_HEAD ); } unsigned int COM_IOReadBinary::tell( FileHandle_t file ) { if ( !file ) return 0; return g_pFileSystem->Tell( file ); } unsigned int COM_IOReadBinary::size( FileHandle_t file ) { if (!file) return 0; return g_pFileSystem->Size( file ); } void COM_IOReadBinary::close( FileHandle_t file ) { if (!file) return; g_pFileSystem->Close( file ); } static COM_IOReadBinary io; IFileReadBinary *g_pSndIO = &io;