1154 lines
37 KiB
C++
1154 lines
37 KiB
C++
//===== Copyright © 1996-2006, Valve Corporation, All rights reserved. ======//
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//
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// Purpose: Filesystem abstraction for CSaveRestore - allows for storing temp save files
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// either in memory or on disk.
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//
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//===========================================================================//
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#ifdef _WIN32
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#include "winerror.h"
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#endif
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#include "filesystem_engine.h"
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#include "saverestore_filesystem.h"
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#include "host_saverestore.h"
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#include "host.h"
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#include "sys.h"
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#include "tier1/utlbuffer.h"
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#include "tier1/lzss.h"
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#include "tier1/convar.h"
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#include "ixboxsystem.h"
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// memdbgon must be the last include file in a .cpp file!!!
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#include "tier0/memdbgon.h"
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extern IXboxSystem *g_pXboxSystem;
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#define MOD_DIR "DEFAULT_WRITE_PATH"
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void SaveInMemoryCallback( IConVar *var, const char *pOldString, float flOldValue );
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ConVar save_in_memory( "save_in_memory", IsX360() ? "1" : "0", 0, "Set to 1 to save to memory instead of disk (Xbox 360)", SaveInMemoryCallback );
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#define INVALID_INDEX (GetDirectory().InvalidIndex())
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enum { READ_ONLY, WRITE_ONLY };
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static float g_fPrevSaveInMemoryValue;
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static bool SaveFileLessFunc( const CUtlSymbol &lhs, const CUtlSymbol &rhs )
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{
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return lhs < rhs;
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}
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//----------------------------------------------------------------------------
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// Simulates the save directory in RAM.
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//----------------------------------------------------------------------------
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class CSaveDirectory
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{
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public:
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CSaveDirectory()
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{
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m_Files.SetLessFunc( SaveFileLessFunc );
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file_t dummy;
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dummy.name = m_SymbolTable.AddString( "dummy" );
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m_Files.Insert( dummy.name, dummy );
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}
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~CSaveDirectory()
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{
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int i = m_Files.FirstInorder();
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while ( m_Files.IsValidIndex( i ) )
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{
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int idx = i;
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i = m_Files.NextInorder( i );
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delete m_Files[idx].pBuffer;
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delete m_Files[idx].pCompressedBuffer;
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m_Files.RemoveAt( idx );
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}
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}
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struct file_t
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{
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file_t()
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{
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pBuffer = NULL;
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pCompressedBuffer = NULL;
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nSize = 0;
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nCompressedSize = NULL;
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}
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int eType;
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CUtlSymbol name;
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unsigned int nSize;
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unsigned int nCompressedSize;
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CUtlBuffer *pBuffer;
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CUtlBuffer *pCompressedBuffer;
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};
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CUtlSymbolTable m_SymbolTable;
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CUtlMap<CUtlSymbol, file_t> m_Files;
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};
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typedef CSaveDirectory::file_t SaveFile_t;
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//----------------------------------------------------------------------------
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// CSaveRestoreFileSystem: Manipulates files in the CSaveDirectory
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//----------------------------------------------------------------------------
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class CSaveRestoreFileSystem : public ISaveRestoreFileSystem
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{
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public:
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CSaveRestoreFileSystem()
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{
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m_pSaveDirectory = new CSaveDirectory();
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m_iContainerOpens = 0;
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}
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~CSaveRestoreFileSystem()
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{
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delete m_pSaveDirectory;
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}
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bool FileExists( const char *pFileName, const char *pPathID = NULL );
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void RenameFile( char const *pOldPath, char const *pNewPath, const char *pathID = NULL );
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void RemoveFile( char const* pRelativePath, const char *pathID = NULL );
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FileHandle_t Open( const char *pFileName, const char *pOptions, const char *pathID = NULL );
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void Close( FileHandle_t );
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int Read( void *pOutput, int size, FileHandle_t file );
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int Write( void const* pInput, int size, FileHandle_t file );
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void Seek( FileHandle_t file, int pos, FileSystemSeek_t method );
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unsigned int Tell( FileHandle_t file );
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unsigned int Size( FileHandle_t file );
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unsigned int Size( const char *pFileName, const char *pPathID = NULL );
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void AsyncFinishAllWrites( void );
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void AsyncRelease( FSAsyncControl_t hControl );
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FSAsyncStatus_t AsyncWrite( const char *pFileName, const void *pSrc, int nSrcBytes, bool bFreeMemory, bool bAppend, FSAsyncControl_t *pControl = NULL );
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FSAsyncStatus_t AsyncFinish( FSAsyncControl_t hControl, bool wait = false );
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FSAsyncStatus_t AsyncAppend( const char *pFileName, const void *pSrc, int nSrcBytes, bool bFreeMemory, FSAsyncControl_t *pControl = NULL );
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FSAsyncStatus_t AsyncAppendFile( const char *pDestFileName, const char *pSrcFileName, FSAsyncControl_t *pControl = NULL );
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void DirectoryCopy( const char *pPath, const char *pDestFileName, bool bIsXSave );
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void DirectorCopyToMemory( const char *pPath, const char *pDestFileName );
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bool DirectoryExtract( FileHandle_t pFile, int fileCount, bool bIsXSave );
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int DirectoryCount( const char *pPath );
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void DirectoryClear( const char *pPath, bool bIsXSave );
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void WriteSaveDirectoryToDisk( void );
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void LoadSaveDirectoryFromDisk( const char *pPath );
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void DumpSaveDirectory( void );
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void Compress( SaveFile_t *pFile );
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void Uncompress( SaveFile_t *pFile );
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void AuditFiles( void );
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bool LoadFileFromDisk( const char *pFilename );
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private:
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CSaveDirectory *m_pSaveDirectory;
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CUtlMap<CUtlSymbol, SaveFile_t> &GetDirectory( void ) { return m_pSaveDirectory->m_Files; }
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SaveFile_t &GetFile( const int idx ) { return m_pSaveDirectory->m_Files[idx]; }
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SaveFile_t &GetFile( const FileHandle_t hFile ) { return GetFile( size_cast< unsigned int >( (uintp) hFile ) ); }
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FileHandle_t GetFileHandle( const char *pFileName );
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int GetFileIndex( const char *pFileName );
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bool HandleIsValid( FileHandle_t hFile );
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unsigned int CompressedSize( const char *pFileName );
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CUtlSymbol AddString( const char *str )
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{
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char szString[ MAX_PATH ];
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Q_strncpy( szString, str, sizeof( szString ) );
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return m_pSaveDirectory->m_SymbolTable.AddString( Q_strlower( szString ) );
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}
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const char *GetString( CUtlSymbol &id ) { return m_pSaveDirectory->m_SymbolTable.String( id ); }
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int m_iContainerOpens;
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};
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//#define TEST_LZSS_WINDOW_SIZES
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//----------------------------------------------------------------------------
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// Compress the file data
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//----------------------------------------------------------------------------
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void CSaveRestoreFileSystem::Compress( SaveFile_t *pFile )
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{
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pFile->pCompressedBuffer->Purge();
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#ifdef TEST_LZSS_WINDOW_SIZES
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// Compress the data here
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CLZSS compressor_test;
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CLZSS newcompressor_test( 2048 );
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pFile->nCompressedSize = 0;
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float start = Plat_FloatTime();
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for(int i=0;i<10;i++)
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{
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uint32 sz;
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unsigned char *pCompressedBuffer = compressor_test.Compress(
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(unsigned char *) pFile->pBuffer->Base(), pFile->nSize, &sz );
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delete[] pCompressedBuffer;
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}
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Warning(" old compressor_test %f", Plat_FloatTime() - start );
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start = Plat_FloatTime();
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for(int i=0;i<10;i++)
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{
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uint32 sz;
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unsigned char *pCompressedBuffer = newcompressor_test.Compress(
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(unsigned char *) pFile->pBuffer->Base(), pFile->nSize, &sz );
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delete[] pCompressedBuffer;
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}
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Warning(" new compressor_test %f", Plat_FloatTime() - start );
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if ( 1)
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{
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uint32 sz;
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uint32 sz1;
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unsigned char *pNewCompressedBuffer = newcompressor_test.Compress(
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(unsigned char *) pFile->pBuffer->Base(), pFile->nSize, &sz );
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unsigned char *pOldCompressedBuffer = compressor_test.Compress(
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(unsigned char *) pFile->pBuffer->Base(), pFile->nSize, &sz1 );
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if ( ! pNewCompressedBuffer )
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Warning("new no comp");
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if ( ! pOldCompressedBuffer )
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Warning("old no comp");
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if ( pNewCompressedBuffer && pOldCompressedBuffer )
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{
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if ( sz != sz1 )
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Warning(" new size = %d old = %d", sz, sz1 );
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if ( memcmp( pNewCompressedBuffer, pOldCompressedBuffer, sz ) )
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Warning("data mismatch");
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}
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delete[] pOldCompressedBuffer;
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delete[] pNewCompressedBuffer;
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}
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#endif
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CLZSS compressor( 2048 );
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unsigned char *pCompressedBuffer = compressor.Compress( (unsigned char *) pFile->pBuffer->Base(), pFile->nSize, &pFile->nCompressedSize );
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if ( pCompressedBuffer == NULL )
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{
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// Just copy the buffer uncompressed
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pFile->pCompressedBuffer->Put( pFile->pBuffer->Base(), pFile->nSize );
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pFile->nCompressedSize = pFile->nSize;
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}
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else
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{
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// Take the compressed buffer as our own
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pFile->pCompressedBuffer->AssumeMemory( pCompressedBuffer, pFile->nCompressedSize, pFile->nCompressedSize ); // ?
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}
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// end compression
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pFile->pCompressedBuffer->SeekGet( CUtlBuffer::SEEK_HEAD, 0 );
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pFile->pCompressedBuffer->SeekPut( CUtlBuffer::SEEK_HEAD, pFile->nCompressedSize );
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// Don't want the uncompressed memory hanging around
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pFile->pBuffer->Purge();
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unsigned int srcBytes = pFile->nSize;
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pFile->nSize = 0;
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unsigned int destBytes = pFile->nCompressedSize;
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float percent = 0.f;
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if ( srcBytes )
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percent = 100.0f * (1.0f - (float)destBytes/(float)srcBytes);
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SaveMsg( "SIM: SaveDir: (%s) Compressed %d bytes to %d bytes. (%.0f%%)\n", GetString( pFile->name ), srcBytes, destBytes, percent );
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}
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//----------------------------------------------------------------------------
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// Uncompress the file data
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//----------------------------------------------------------------------------
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void CSaveRestoreFileSystem::Uncompress( SaveFile_t *pFile )
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{
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pFile->pBuffer->Purge();
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// Uncompress the data here
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CLZSS compressor;
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unsigned int nUncompressedSize = compressor.GetActualSize( (unsigned char *) pFile->pCompressedBuffer->Base() );
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if ( nUncompressedSize != 0 )
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{
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unsigned char *pUncompressBuffer = (unsigned char *) malloc( nUncompressedSize );
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nUncompressedSize = compressor.Uncompress( (unsigned char *) pFile->pCompressedBuffer->Base(), pUncompressBuffer );
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pFile->pBuffer->AssumeMemory( pUncompressBuffer, nUncompressedSize, nUncompressedSize ); // ?
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}
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else
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{
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// Put it directly into our target
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pFile->pBuffer->Put( (unsigned char *) pFile->pCompressedBuffer->Base(), pFile->nCompressedSize );
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}
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// end decompression
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pFile->nSize = pFile->pBuffer->TellMaxPut();
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pFile->pBuffer->SeekGet( CUtlBuffer::SEEK_HEAD, 0 );
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pFile->pBuffer->SeekPut( CUtlBuffer::SEEK_HEAD, pFile->nSize );
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unsigned int srcBytes = pFile->nCompressedSize;
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unsigned int destBytes = pFile->nSize;
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SaveMsg( "SIM: SaveDir: (%s) Uncompressed %d bytes to %d bytes.\n", GetString( pFile->name ), srcBytes, destBytes );
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}
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//----------------------------------------------------------------------------
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// Access the save files
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//----------------------------------------------------------------------------
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int CSaveRestoreFileSystem::GetFileIndex( const char *filename )
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{
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CUtlSymbol id = AddString( Q_UnqualifiedFileName( filename ) );
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return GetDirectory().Find( id );
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}
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FileHandle_t CSaveRestoreFileSystem::GetFileHandle( const char *filename )
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{
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int idx = GetFileIndex( filename );
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if ( idx == INVALID_INDEX )
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{
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idx = 0;
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}
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return (void*)(intp)idx;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Returns whether the named memory block exists
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//-----------------------------------------------------------------------------
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bool CSaveRestoreFileSystem::FileExists( const char *pFileName, const char *pPathID )
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{
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return ( GetFileHandle( pFileName ) != NULL );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Validates a file handle
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//-----------------------------------------------------------------------------
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bool CSaveRestoreFileSystem::HandleIsValid( FileHandle_t hFile )
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{
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return hFile && GetDirectory().IsValidIndex( size_cast< unsigned int >( (uintp) hFile ) );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Renames a block of memory
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//-----------------------------------------------------------------------------
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void CSaveRestoreFileSystem::RenameFile( char const *pOldPath, char const *pNewPath, const char *pathID )
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{
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int idx = GetFileIndex( pOldPath );
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if ( idx != INVALID_INDEX )
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{
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CUtlSymbol newID = AddString( Q_UnqualifiedFileName( pNewPath ) );
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GetFile( idx ).name = newID;
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GetDirectory().Reinsert( newID, idx );
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Removes a memory block from CSaveDirectory and frees it.
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//-----------------------------------------------------------------------------
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void CSaveRestoreFileSystem::RemoveFile( char const* pRelativePath, const char *pathID )
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{
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int idx = GetFileIndex( pRelativePath );
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if ( idx != INVALID_INDEX )
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{
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delete GetFile( idx ).pBuffer;
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delete GetFile( idx ).pCompressedBuffer;
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GetDirectory().RemoveAt( idx );
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Access an existing memory block if it exists, else allocate one.
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//-----------------------------------------------------------------------------
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FileHandle_t CSaveRestoreFileSystem::Open( const char *pFullName, const char *pOptions, const char *pathID )
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{
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SaveFile_t *pFile = NULL;
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CUtlSymbol id = AddString( Q_UnqualifiedFileName( pFullName ) );
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int idx = GetDirectory().Find( id );
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if ( idx == INVALID_INDEX )
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{
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// Don't create a read-only file
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if ( Q_stricmp( pOptions, "rb" ) )
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{
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// Create new file
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SaveFile_t newFile;
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newFile.name = id;
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newFile.pBuffer = new CUtlBuffer();
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newFile.pCompressedBuffer = new CUtlBuffer();
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idx = GetDirectory().Insert( id, newFile );
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}
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else
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{
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return (void*)0;
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}
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}
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pFile = &GetFile( idx );
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if ( !Q_stricmp( pOptions, "rb" ) )
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{
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Uncompress( pFile );
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pFile->eType = READ_ONLY;
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}
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else if ( !Q_stricmp( pOptions, "wb" ) )
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{
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pFile->pBuffer->Clear();
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pFile->eType = WRITE_ONLY;
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}
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else if ( !Q_stricmp( pOptions, "a" ) )
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{
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Uncompress( pFile );
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pFile->eType = WRITE_ONLY;
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}
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else if ( !Q_stricmp( pOptions, "ab+" ) )
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{
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Uncompress( pFile );
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pFile->eType = WRITE_ONLY;
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pFile->pBuffer->SeekPut( CUtlBuffer::SEEK_TAIL, 0 );
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}
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else
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{
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Assert( 0 );
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Warning( "CSaveRestoreFileSystem: Attempted to open %s with unsupported option %s\n", pFullName, pOptions );
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return (void*)0;
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}
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return (void*)(intp)idx;
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}
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//-----------------------------------------------------------------------------
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// Purpose: No need to close files in memory. Could perform post processing here.
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//-----------------------------------------------------------------------------
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void CSaveRestoreFileSystem::Close( FileHandle_t hFile )
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{
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// Compress the file
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if ( HandleIsValid( hFile ) )
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{
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SaveFile_t &file = GetFile( hFile );
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// Files opened for read don't need to be recompressed
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if ( file.eType == READ_ONLY )
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{
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SaveMsg("SIM: Closed file: %s\n", GetString( file.name ) );
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file.pBuffer->Purge();
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file.nSize = 0;
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}
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else
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{
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Compress( &file );
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}
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Reads data from memory.
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//-----------------------------------------------------------------------------
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int CSaveRestoreFileSystem::Read( void *pOutput, int size, FileHandle_t hFile )
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{
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int readSize = 0;
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if ( HandleIsValid( hFile ) )
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{
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SaveFile_t &file = GetFile( hFile );
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if( file.eType == READ_ONLY )
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{
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readSize = file.pBuffer->GetUpTo( pOutput, size );
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}
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else
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{
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Warning( "Read: Attempted to read from a write-only file" );
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readSize = 0;
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Assert( 0 );
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}
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}
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return readSize;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Writes data to memory.
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//-----------------------------------------------------------------------------
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int CSaveRestoreFileSystem::Write( void const* pInput, int size, FileHandle_t hFile )
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{
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int writeSize = 0;
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if ( HandleIsValid( hFile ) )
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{
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SaveFile_t &file = GetFile( hFile );
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if( file.eType == WRITE_ONLY )
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{
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file.pBuffer->Put( pInput, size );
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file.nSize = file.pBuffer->TellMaxPut();
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writeSize = size;
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}
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else
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{
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Warning( "Write: Attempted to write to a read-only file" );
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writeSize = 0;
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Assert( 0 );
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}
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}
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return writeSize;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Seek in memory. Seeks the UtlBuffer put or get pos depending
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// on whether the file was opened for read or write.
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//-----------------------------------------------------------------------------
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void CSaveRestoreFileSystem::Seek( FileHandle_t hFile, int pos, FileSystemSeek_t method )
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{
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if ( HandleIsValid( hFile ) )
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{
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SaveFile_t &file = GetFile( hFile );
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if ( file.eType == READ_ONLY )
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{
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file.pBuffer->SeekGet( (CUtlBuffer::SeekType_t)method, pos );
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}
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else if ( file.eType == WRITE_ONLY )
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{
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file.pBuffer->SeekPut( (CUtlBuffer::SeekType_t)method, pos );
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}
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else
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{
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Assert( 0 );
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}
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Return position in memory. Returns UtlBuffer put or get pos depending
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// on whether the file was opened for read or write.
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//-----------------------------------------------------------------------------
|
|
unsigned int CSaveRestoreFileSystem::Tell( FileHandle_t hFile )
|
|
{
|
|
unsigned int pos = 0;
|
|
if ( HandleIsValid( hFile ) )
|
|
{
|
|
SaveFile_t &file = GetFile( hFile );
|
|
if ( file.eType == READ_ONLY )
|
|
{
|
|
pos = file.pBuffer->TellGet();
|
|
}
|
|
else if ( file.eType == WRITE_ONLY )
|
|
{
|
|
pos = file.pBuffer->TellPut();
|
|
}
|
|
else
|
|
{
|
|
Assert( 0 );
|
|
}
|
|
}
|
|
return pos;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Return uncompressed memory size
|
|
//-----------------------------------------------------------------------------
|
|
unsigned int CSaveRestoreFileSystem::Size( FileHandle_t hFile )
|
|
{
|
|
if ( HandleIsValid( hFile ) )
|
|
{
|
|
return GetFile( hFile ).nSize;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Return uncompressed size of data in memory
|
|
//-----------------------------------------------------------------------------
|
|
unsigned int CSaveRestoreFileSystem::Size( const char *pFileName, const char *pPathID )
|
|
{
|
|
return Size( GetFileHandle( pFileName ) );
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Return compressed size of data in memory
|
|
//-----------------------------------------------------------------------------
|
|
unsigned int CSaveRestoreFileSystem::CompressedSize( const char *pFileName )
|
|
{
|
|
FileHandle_t hFile = GetFileHandle( pFileName );
|
|
if ( hFile )
|
|
{
|
|
return GetFile( hFile ).nCompressedSize;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Writes data to memory. Function is NOT async.
|
|
//-----------------------------------------------------------------------------
|
|
FSAsyncStatus_t CSaveRestoreFileSystem::AsyncWrite( const char *pFileName, const void *pSrc, int nSrcBytes, bool bFreeMemory, bool bAppend, FSAsyncControl_t *pControl )
|
|
{
|
|
FSAsyncStatus_t retval = FSASYNC_ERR_FAILURE;
|
|
|
|
FileHandle_t hFile = Open( pFileName, "wb" );
|
|
if ( hFile )
|
|
{
|
|
SaveFile_t &file = GetFile( size_cast<unsigned int>( (uintp)hFile ) );
|
|
|
|
if( file.eType == WRITE_ONLY )
|
|
{
|
|
file.pBuffer->Put( pSrc, nSrcBytes );
|
|
file.nSize = file.pBuffer->TellMaxPut();
|
|
Compress( &file );
|
|
retval = FSASYNC_OK;
|
|
}
|
|
else
|
|
{
|
|
Warning( "AsyncWrite: Attempted to write to a read-only file" );
|
|
Assert( 0 );
|
|
}
|
|
}
|
|
|
|
if ( bFreeMemory )
|
|
free( const_cast< void * >( pSrc ) );
|
|
|
|
return retval;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Appends data to a memory block. Function is NOT async.
|
|
//-----------------------------------------------------------------------------
|
|
FSAsyncStatus_t CSaveRestoreFileSystem::AsyncAppend(const char *pFileName, const void *pSrc, int nSrcBytes, bool bFreeMemory, FSAsyncControl_t *pControl )
|
|
{
|
|
FSAsyncStatus_t retval = FSASYNC_ERR_FAILURE;
|
|
|
|
FileHandle_t hFile = Open( pFileName, "a" );
|
|
if ( hFile )
|
|
{
|
|
SaveFile_t &file = GetFile( hFile );
|
|
if( file.eType == WRITE_ONLY )
|
|
{
|
|
file.pBuffer->Put( pSrc, nSrcBytes );
|
|
file.nSize = file.pBuffer->TellMaxPut();
|
|
Compress( &file );
|
|
retval = FSASYNC_OK;
|
|
}
|
|
else
|
|
{
|
|
Warning( "AsyncAppend: Attempted to write to a read-only file" );
|
|
Assert( 0 );
|
|
}
|
|
}
|
|
|
|
if ( bFreeMemory )
|
|
free( const_cast< void * >( pSrc ) );
|
|
|
|
return retval;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Appends a memory block to another memory block. Function is NOT async.
|
|
//-----------------------------------------------------------------------------
|
|
FSAsyncStatus_t CSaveRestoreFileSystem::AsyncAppendFile(const char *pDestFileName, const char *pSrcFileName, FSAsyncControl_t *pControl )
|
|
{
|
|
FileHandle_t hFile = Open( pSrcFileName, "rb" );
|
|
if ( hFile )
|
|
{
|
|
SaveFile_t &file = GetFile( hFile );
|
|
return AsyncAppend( pDestFileName, file.pBuffer->Base(), file.nSize, false );
|
|
}
|
|
return FSASYNC_ERR_FILEOPEN;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: All operations in memory are synchronous
|
|
//-----------------------------------------------------------------------------
|
|
FSAsyncStatus_t CSaveRestoreFileSystem::AsyncFinish( FSAsyncControl_t hControl, bool wait )
|
|
{
|
|
// do nothing
|
|
return FSASYNC_OK;
|
|
}
|
|
void CSaveRestoreFileSystem::AsyncRelease( FSAsyncControl_t hControl )
|
|
{
|
|
// do nothing
|
|
}
|
|
void CSaveRestoreFileSystem::AsyncFinishAllWrites( void )
|
|
{
|
|
// Do nothing
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Package up all intermediate files to a save game as per usual, but keep them in memory instead of commiting them to disk
|
|
//-----------------------------------------------------------------------------
|
|
void CSaveRestoreFileSystem::DirectorCopyToMemory( const char *pPath, const char *pDestFileName )
|
|
{
|
|
// Write the save file
|
|
FileHandle_t hSaveFile = Open( pDestFileName, "ab+", pPath );
|
|
if ( !hSaveFile )
|
|
return;
|
|
|
|
SaveFile_t &saveFile = GetFile( hSaveFile );
|
|
|
|
// At this point, we're going to be sneaky and spoof the uncompressed buffer back into the compressed one
|
|
// We need to do this because the file goes out to disk as a mixture of an uncompressed header and tags, and compressed
|
|
// intermediate files, so this emulates that in memory
|
|
saveFile.pCompressedBuffer->Purge();
|
|
saveFile.nCompressedSize = 0;
|
|
saveFile.pCompressedBuffer->Put( saveFile.pBuffer->Base(), saveFile.nSize );
|
|
|
|
unsigned int nNumFilesPacked = 0;
|
|
for ( int i = GetDirectory().FirstInorder(); GetDirectory().IsValidIndex( i ); i = GetDirectory().NextInorder( i ) )
|
|
{
|
|
SaveFile_t &file = GetFile( i );
|
|
const char *pName = GetString( file.name );
|
|
char szFileName[MAX_PATH];
|
|
if ( Q_stristr( pName, ".hl" ) )
|
|
{
|
|
int fileSize = CompressedSize( pName );
|
|
if ( fileSize )
|
|
{
|
|
Assert( Q_strlen( pName ) <= MAX_PATH );
|
|
|
|
memset( szFileName, 0, sizeof( szFileName ) );
|
|
Q_strncpy( szFileName, pName, sizeof( szFileName ) );
|
|
saveFile.pCompressedBuffer->Put( szFileName, sizeof( szFileName ) );
|
|
saveFile.pCompressedBuffer->Put( &fileSize, sizeof(fileSize) );
|
|
saveFile.pCompressedBuffer->Put( file.pCompressedBuffer->Base(), file.nCompressedSize );
|
|
|
|
SaveMsg("SIM: Packed: %s [Size: %.02f KB]\n", GetString( file.name ), (float)file.nCompressedSize / 1024.0f );
|
|
nNumFilesPacked++;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Set the final, complete size of the file
|
|
saveFile.nCompressedSize = saveFile.pCompressedBuffer->TellMaxPut();
|
|
SaveMsg("SIM: (%s) Total Files Packed: %d [Size: %.02f KB]\n", GetString( saveFile.name ), nNumFilesPacked, (float) saveFile.nCompressedSize / 1024.0f );
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Copies the compressed contents of the CSaveDirectory into the save file on disk.
|
|
// Note: This expects standard saverestore behavior, and does NOT
|
|
// currently use pPath to filter the filename search.
|
|
//-----------------------------------------------------------------------------
|
|
void CSaveRestoreFileSystem::DirectoryCopy( const char *pPath, const char *pDestFileName, bool bIsXSave )
|
|
{
|
|
if ( !Q_stristr( pPath, "*.hl?" ) )
|
|
{
|
|
// Function depends on known behavior
|
|
Assert( 0 );
|
|
return;
|
|
}
|
|
|
|
// If we don't have a valid storage device, save this to memory instead
|
|
if ( saverestore->StorageDeviceValid() == false )
|
|
{
|
|
DirectorCopyToMemory( pPath, pDestFileName );
|
|
return;
|
|
}
|
|
|
|
// Write the save file
|
|
FileHandle_t hSaveFile = Open( pDestFileName, "rb", pPath );
|
|
if ( !hSaveFile )
|
|
return;
|
|
|
|
SaveFile_t &saveFile = GetFile( hSaveFile );
|
|
|
|
// Find out how large this is going to be
|
|
unsigned int nWriteSize = saveFile.nSize;
|
|
for ( int i = GetDirectory().FirstInorder(); GetDirectory().IsValidIndex( i ); i = GetDirectory().NextInorder( i ) )
|
|
{
|
|
SaveFile_t &file = GetFile( i );
|
|
const char *pName = GetString( file.name );
|
|
if ( Q_stristr( pName, ".hl" ) )
|
|
{
|
|
// Account for the lump header size
|
|
nWriteSize += MAX_PATH + sizeof(int) + file.nCompressedSize;
|
|
}
|
|
}
|
|
|
|
// Fail to write
|
|
#if defined( _X360 )
|
|
if ( nWriteSize > XBX_SAVEGAME_BYTES )
|
|
{
|
|
// FIXME: This error is now lost in the ether!
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
g_pFileSystem->AsyncWriteFile( pDestFileName, saveFile.pBuffer, saveFile.nSize, true, false );
|
|
|
|
// AsyncWriteFile() takes control of the utlbuffer, so don't let RemoveFile() delete it.
|
|
saveFile.pBuffer = NULL;
|
|
RemoveFile( pDestFileName );
|
|
|
|
// write the list of files to the save file
|
|
for ( int i = GetDirectory().FirstInorder(); GetDirectory().IsValidIndex( i ); i = GetDirectory().NextInorder( i ) )
|
|
{
|
|
SaveFile_t &file = GetFile( i );
|
|
const char *pName = GetString( file.name );
|
|
if ( Q_stristr( pName, ".hl" ) )
|
|
{
|
|
int fileSize = CompressedSize( pName );
|
|
if ( fileSize )
|
|
{
|
|
Assert( Q_strlen( pName ) <= MAX_PATH );
|
|
|
|
g_pFileSystem->AsyncAppend( pDestFileName, memcpy( new char[MAX_PATH], pName, MAX_PATH), MAX_PATH, true );
|
|
g_pFileSystem->AsyncAppend( pDestFileName, new int(fileSize), sizeof(int), true );
|
|
|
|
// This behaves like AsyncAppendFile (due to 5th param) but gets src file from memory instead of off disk.
|
|
g_pFileSystem->AsyncWriteFile( pDestFileName, file.pCompressedBuffer, file.nCompressedSize, false, true );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Extracts all the files contained within pFile.
|
|
// Does not Uncompress the extracted data.
|
|
//-----------------------------------------------------------------------------
|
|
bool CSaveRestoreFileSystem::DirectoryExtract( FileHandle_t pFile, int fileCount, bool bIsXSave )
|
|
{
|
|
int fileSize;
|
|
FileHandle_t pCopy;
|
|
char fileName[ MAX_PATH ];
|
|
|
|
// Read compressed files from disk into the virtual directory
|
|
for ( int i = 0; i < fileCount; i++ )
|
|
{
|
|
Read( fileName, MAX_PATH, pFile );
|
|
Read( &fileSize, sizeof(int), pFile );
|
|
if ( !fileSize )
|
|
return false;
|
|
|
|
pCopy = Open( fileName, "wb" );
|
|
if ( !pCopy )
|
|
return false;
|
|
|
|
SaveFile_t &destFile = GetFile( pCopy );
|
|
destFile.pCompressedBuffer->EnsureCapacity( fileSize );
|
|
|
|
// Must read in the correct amount of data
|
|
if ( Read( destFile.pCompressedBuffer->PeekPut(), fileSize, pFile ) != fileSize )
|
|
return false;
|
|
|
|
destFile.pCompressedBuffer->SeekPut( CUtlBuffer::SEEK_HEAD, fileSize );
|
|
destFile.nCompressedSize = fileSize;
|
|
|
|
SaveMsg("SIM: Extracted: %s [Size: %d KB]\n", GetString( destFile.name ), destFile.nCompressedSize / 1024 );
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
// Input : *pFilename -
|
|
//-----------------------------------------------------------------------------
|
|
bool CSaveRestoreFileSystem::LoadFileFromDisk( const char *pFilename )
|
|
{
|
|
// Open a new file for writing in memory
|
|
FileHandle_t hMemoryFile = Open( pFilename, "wb" );
|
|
if ( !hMemoryFile )
|
|
return false;
|
|
|
|
// Open the file off the disk
|
|
FileHandle_t hDiskFile = g_pFileSystem->OpenEx( pFilename, "rb", ( IsX360() ) ? FSOPEN_NEVERINPACK : 0 );
|
|
if ( !hDiskFile )
|
|
return false;
|
|
|
|
// Read it in off of the disk to memory
|
|
SaveFile_t &memoryFile = GetFile( hMemoryFile );
|
|
if ( g_pFileSystem->ReadToBuffer( hDiskFile, *memoryFile.pCompressedBuffer ) == false )
|
|
return false;
|
|
|
|
// Hold the compressed size
|
|
memoryFile.nCompressedSize = memoryFile.pCompressedBuffer->TellMaxPut();
|
|
|
|
// Close the disk file
|
|
g_pFileSystem->Close( hDiskFile );
|
|
|
|
SaveMsg("SIM: Loaded %s into memory\n", pFilename );
|
|
return true;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Returns the number of save files in the specified filter
|
|
// Note: This expects standard saverestore behavior, and does NOT
|
|
// currently use pPath to filter file search.
|
|
//-----------------------------------------------------------------------------
|
|
int CSaveRestoreFileSystem::DirectoryCount( const char *pPath )
|
|
{
|
|
if ( !Q_stristr( pPath, "*.hl?" ) )
|
|
{
|
|
// Function depends on known behavior
|
|
Assert( 0 );
|
|
return 0;
|
|
}
|
|
|
|
int count = 0;
|
|
for ( int i = GetDirectory().FirstInorder(); GetDirectory().IsValidIndex( i ); i = GetDirectory().NextInorder( i ) )
|
|
{
|
|
SaveFile_t &file = GetFile( i );
|
|
if ( Q_stristr( GetString( file.name ), ".hl" ) )
|
|
{
|
|
++count;
|
|
}
|
|
}
|
|
return count;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Clears the save directory of temporary save files (*.hl)
|
|
// Note: This expects standard saverestore behavior, and does NOT
|
|
// currently use pPath to filter file search.
|
|
//-----------------------------------------------------------------------------
|
|
void CSaveRestoreFileSystem::DirectoryClear( const char *pPath, bool bIsXSave )
|
|
{
|
|
if ( !Q_stristr( pPath, "*.hl?" ) )
|
|
{
|
|
// Function depends on known behavior
|
|
Assert( 0 );
|
|
return;
|
|
}
|
|
|
|
int i = GetDirectory().FirstInorder();
|
|
while ( GetDirectory().IsValidIndex( i ) )
|
|
{
|
|
SaveFile_t &file = GetFile( i );
|
|
i = GetDirectory().NextInorder( i );
|
|
if ( Q_stristr( GetString( file.name ), ".hl" ) )
|
|
{
|
|
SaveMsg("SIM: Cleared: %s\n", GetString( file.name ) );
|
|
|
|
// Delete the temporary save file
|
|
RemoveFile( GetString( file.name ) );
|
|
}
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Transfer all save files from memory to disk.
|
|
//-----------------------------------------------------------------------------
|
|
void CSaveRestoreFileSystem::WriteSaveDirectoryToDisk( void )
|
|
{
|
|
char szPath[ MAX_PATH ];
|
|
|
|
int i = GetDirectory().FirstInorder();
|
|
while ( GetDirectory().IsValidIndex( i ) )
|
|
{
|
|
SaveFile_t &file = GetFile( i );
|
|
i = GetDirectory().NextInorder( i );
|
|
const char *pName = GetString( file.name );
|
|
if ( Q_stristr( pName, ".hl" ) )
|
|
{
|
|
// Write the temporary save file to disk
|
|
Open( pName, "rb" );
|
|
Q_snprintf( szPath, sizeof( szPath ), "%s%s", saverestore->GetSaveDir(), pName );
|
|
g_pFileSystem->WriteFile( szPath, MOD_DIR, *file.pBuffer );
|
|
}
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Transfer all save files from disk to memory.
|
|
//-----------------------------------------------------------------------------
|
|
void CSaveRestoreFileSystem::LoadSaveDirectoryFromDisk( const char *pPath )
|
|
{
|
|
char const *findfn;
|
|
char szPath[ MAX_PATH ];
|
|
|
|
findfn = Sys_FindFirstEx( pPath, MOD_DIR, NULL, 0 );
|
|
|
|
while ( findfn != NULL )
|
|
{
|
|
Q_snprintf( szPath, sizeof( szPath ), "%s%s", saverestore->GetSaveDir(), findfn );
|
|
|
|
// Add the temporary save file
|
|
FileHandle_t hFile = Open( findfn, "wb" );
|
|
if ( hFile )
|
|
{
|
|
SaveFile_t &file = GetFile( hFile );
|
|
g_pFileSystem->ReadFile( szPath, MOD_DIR, *file.pBuffer );
|
|
file.nSize = file.pBuffer->TellMaxPut();
|
|
Close( hFile );
|
|
}
|
|
|
|
// Any more save files
|
|
findfn = Sys_FindNext( NULL, 0 );
|
|
}
|
|
Sys_FindClose();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
//-----------------------------------------------------------------------------
|
|
void CSaveRestoreFileSystem::AuditFiles( void )
|
|
{
|
|
unsigned int nTotalFiles = 0;
|
|
unsigned int nTotalCompressed = 0;
|
|
unsigned int nTotalUncompressed = 0;
|
|
|
|
int i = GetDirectory().FirstInorder();
|
|
while ( GetDirectory().IsValidIndex( i ) )
|
|
{
|
|
SaveFile_t &file = GetFile( i );
|
|
i = GetDirectory().NextInorder( i );
|
|
|
|
nTotalFiles++;
|
|
nTotalCompressed += file.nCompressedSize;
|
|
nTotalUncompressed += file.nSize;
|
|
Msg("SIM: File: %s [c: %.02f KB / u: %.02f KB]\n", GetString( file.name ), (float)file.nCompressedSize/1024.0f, (float)file.nSize/1024.0f );
|
|
}
|
|
|
|
Msg("SIM: ------------------------------------------------------------");
|
|
Msg("SIM: Total files: %d [c: %.02f KB / c: %.02f KB] : Total Size: %.02f KB\n", nTotalFiles, (float)nTotalCompressed/1024.0f, (float)nTotalUncompressed/1024.0f, (float)(nTotalCompressed+nTotalUncompressed)/1024.0f );
|
|
}
|
|
|
|
CON_COMMAND( audit_save_in_memory, "Audit the memory usage and files in the save-to-memory system" )
|
|
{
|
|
if ( !IsX360() )
|
|
return;
|
|
|
|
g_pSaveRestoreFileSystem->AuditFiles();
|
|
}
|
|
|
|
#ifdef _X360
|
|
CON_COMMAND( dump_x360_data, "Dump X360 save games to disk" )
|
|
{
|
|
int iController = args.FindArgInt( "-c", XBX_GetPrimaryUserId() );
|
|
char const *szDataType = args.FindArg( "-t" );
|
|
if ( !szDataType )
|
|
szDataType = XBX_USER_SETTINGS_CONTAINER_DRIVE;
|
|
|
|
if ( XBX_GetUserIsGuest( iController ) )
|
|
return;
|
|
|
|
DWORD nStorageDevice = XBX_GetStorageDeviceId( iController );
|
|
if ( !XBX_DescribeStorageDevice( nStorageDevice ) )
|
|
{
|
|
Warning( "No storage device for controller %d!\n", iController );
|
|
return;
|
|
}
|
|
|
|
char szInName[MAX_PATH]; // Read path from the container
|
|
char szOutName[MAX_PATH]; // Output path to the disk
|
|
char szFileNameBase[MAX_PATH]; // Name of the file minus directories or extensions
|
|
FileFindHandle_t findHandle;
|
|
|
|
char szSearchPath[MAX_PATH];
|
|
|
|
XBX_MakeStorageContainerRoot( iController, szDataType, szSearchPath, sizeof( szSearchPath ) );
|
|
int nLen = strlen( szSearchPath );
|
|
|
|
Q_snprintf( szSearchPath + nLen, sizeof( szSearchPath ) - nLen, ":\\*.*" );
|
|
|
|
const char *pFileName = g_pFileSystem->FindFirst( szSearchPath, &findHandle );
|
|
while (pFileName)
|
|
{
|
|
// Create the proper read path
|
|
XBX_MakeStorageContainerRoot( iController, szDataType, szInName, sizeof( szInName ) );
|
|
int nLen = strlen( szInName );
|
|
Q_snprintf( szInName + nLen, sizeof( szInName ) - nLen, ":\\%s", pFileName );
|
|
// Read the file and blat it out
|
|
CUtlBuffer buf( 0, 0, 0 );
|
|
if ( g_pFileSystem->ReadFile( szInName, NULL, buf ) )
|
|
{
|
|
// Strip us down to just our filename
|
|
Q_FileBase( pFileName, szFileNameBase, sizeof ( szFileNameBase ) );
|
|
Q_snprintf( szOutName, sizeof( szOutName ), "%s%d/%s", szDataType, iController, szFileNameBase );
|
|
g_pFileSystem->WriteFile( szOutName, NULL, buf );
|
|
|
|
Msg("Copied file: %s to %s\n", szInName, szOutName );
|
|
}
|
|
|
|
// Clean up
|
|
buf.Clear();
|
|
|
|
// Any more save files
|
|
pFileName = g_pFileSystem->FindNext( findHandle );
|
|
}
|
|
|
|
g_pFileSystem->FindClose( findHandle );
|
|
}
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#include "saverestore_filesystem_passthrough.h"
|
|
|
|
static CSaveRestoreFileSystem s_SaveRestoreFileSystem;
|
|
static CSaveRestoreFileSystemPassthrough s_SaveRestoreFileSystemPassthrough;
|
|
|
|
#ifdef _X360
|
|
ISaveRestoreFileSystem *g_pSaveRestoreFileSystem = &s_SaveRestoreFileSystem;
|
|
#else
|
|
ISaveRestoreFileSystem *g_pSaveRestoreFileSystem = &s_SaveRestoreFileSystemPassthrough;
|
|
#endif // _X360
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Called when switching between saving in memory and saving to disk.
|
|
//-----------------------------------------------------------------------------
|
|
void SaveInMemoryCallback( IConVar *pConVar, const char *pOldString, float flOldValue )
|
|
{
|
|
if ( !IsX360() )
|
|
{
|
|
Warning( "save_in_memory is compatible with only the Xbox 360!\n" );
|
|
return;
|
|
}
|
|
|
|
#ifdef _X360
|
|
ConVarRef var( pConVar );
|
|
if ( var.GetFloat() == flOldValue )
|
|
return;
|
|
|
|
// *.hl? files are transferred between disk and memory when this cvar changes
|
|
char szPath[ MAX_PATH ];
|
|
Q_snprintf( szPath, sizeof( szPath ), "%s%s", saverestore->GetSaveDir(), "*.hl?" );
|
|
if ( var.GetBool() )
|
|
{
|
|
g_pSaveRestoreFileSystem = &s_SaveRestoreFileSystem;
|
|
|
|
// Clear memory and load
|
|
s_SaveRestoreFileSystem.DirectoryClear( "*.hl?", IsX360() );
|
|
s_SaveRestoreFileSystem.LoadSaveDirectoryFromDisk( szPath );
|
|
|
|
// Clear disk
|
|
s_SaveRestoreFileSystemPassthrough.DirectoryClear( szPath, IsX360() );
|
|
}
|
|
else
|
|
{
|
|
g_pSaveRestoreFileSystem = &s_SaveRestoreFileSystemPassthrough;
|
|
|
|
// Clear disk and write
|
|
s_SaveRestoreFileSystemPassthrough.DirectoryClear( szPath, IsX360() );
|
|
s_SaveRestoreFileSystem.WriteSaveDirectoryToDisk();
|
|
|
|
// Clear memory
|
|
s_SaveRestoreFileSystem.DirectoryClear( "*.hl?", IsX360() );
|
|
}
|
|
#endif
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Dump a list of the save directory contents (in memory) to the console
|
|
//-----------------------------------------------------------------------------
|
|
void CSaveRestoreFileSystem::DumpSaveDirectory( void )
|
|
{
|
|
unsigned int totalCompressedSize = 0;
|
|
unsigned int totalUncompressedSize = 0;
|
|
for ( int i = GetDirectory().FirstInorder(); GetDirectory().IsValidIndex( i ); i = GetDirectory().NextInorder( i ) )
|
|
{
|
|
SaveFile_t &file = GetFile( i );
|
|
Msg( "File %d: %s Size:%d\n", i, GetString( file.name ), file.nCompressedSize );
|
|
totalUncompressedSize += file.nSize;
|
|
totalCompressedSize += file.nCompressedSize;
|
|
}
|
|
float percent = 0.f;
|
|
if ( totalUncompressedSize )
|
|
percent = 100.f - (totalCompressedSize / totalUncompressedSize * 100.f);
|
|
Msg( "Total Size: %.2f Mb (%d bytes)\n", totalCompressedSize / (1024.f*1024.f), totalCompressedSize );
|
|
Msg( "Compression: %.2f Mb to %.2f Mb (%.0f%%)\n", totalUncompressedSize/(1024.f*1024.f), totalCompressedSize/(1024.f*1024.f), percent );
|
|
}
|
|
|
|
#ifdef _X360
|
|
CON_COMMAND( dumpsavedir, "List the contents of the save directory in memory" )
|
|
{
|
|
s_SaveRestoreFileSystem.DumpSaveDirectory();
|
|
}
|
|
#endif
|