source-engine/soundsystem/snd_io.cpp
FluorescentCIAAfricanAmerican 3bf9df6b27 1
2020-04-22 12:56:21 -04:00

94 lines
2.2 KiB
C++

//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//
//===========================================================================//
#include "soundsystem.h"
#include "tier2/riff.h"
#include "filesystem.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:
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 );
};
// prepend sound/ to the filename -- all sounds are loaded from the sound/ directory
int COM_IOReadBinary::open( const char *pFileName )
{
char namebuffer[512];
FileHandle_t hFile;
Q_strncpy(namebuffer, "sound", sizeof( namebuffer ) );
//HACK HACK HACK the server is sending back sound names with slashes in front...
if (pFileName[0]!='/')
{
Q_strncat(namebuffer,"/", sizeof( namebuffer ), COPY_ALL_CHARACTERS );
}
Q_strncat( namebuffer, pFileName, sizeof( namebuffer ), COPY_ALL_CHARACTERS );
hFile = g_pFullFileSystem->Open( namebuffer, "rb", "GAME" );
return (int)hFile;
}
int COM_IOReadBinary::read( void *pOutput, int size, int file )
{
if ( !file )
return 0;
return g_pFullFileSystem->Read( pOutput, size, (FileHandle_t)file );
}
void COM_IOReadBinary::seek( int file, int pos )
{
if ( !file )
return;
g_pFullFileSystem->Seek( (FileHandle_t)file, pos, FILESYSTEM_SEEK_HEAD );
}
unsigned int COM_IOReadBinary::tell( int file )
{
if ( !file )
return 0;
return g_pFullFileSystem->Tell( (FileHandle_t)file );
}
unsigned int COM_IOReadBinary::size( int file )
{
if (!file)
return 0;
return g_pFullFileSystem->Size( (FileHandle_t)file );
}
void COM_IOReadBinary::close( int file )
{
if (!file)
return;
g_pFullFileSystem->Close( (FileHandle_t)file );
}
static COM_IOReadBinary io;
IFileReadBinary *g_pSndIO = &io;