mirror of
https://github.com/alliedmodders/hl2sdk.git
synced 2025-09-19 20:16:10 +08:00
Update IFileSystem interface
This commit is contained in:
GAMMACASE
committed by
Nicholas Hastings
Nicholas Hastings
parent
8df67ec7d7
commit
cf8ccb1dae
@ -445,13 +445,49 @@ public:
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//-----------------------------------------------------------------------------
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// Main file system interface
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//-----------------------------------------------------------------------------
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abstract_class IFileSystem : public IAppSystem, public IBaseFileSystem
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abstract_class IFileSystem : public IAppSystem
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{
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public:
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//--------------------------------------------------------
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// IBaseFileSystem
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//--------------------------------------------------------
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virtual int Read(void* pOutput, int size, FileHandle_t file) = 0;
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virtual int Write(void const* pInput, int size, FileHandle_t file) = 0;
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// if pathID is NULL, all paths will be searched for the file
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virtual FileHandle_t Open(const char *pFileName, const char *pOptions, const char *pathID = 0) = 0;
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virtual void Close(FileHandle_t file) = 0;
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virtual void Seek(FileHandle_t file, int pos, FileSystemSeek_t seekType) = 0;
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virtual unsigned int Tell(FileHandle_t file) = 0;
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virtual unsigned int Size(FileHandle_t file) = 0;
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virtual unsigned int Size(const char *pFileName, const char *pPathID = 0) = 0;
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virtual void Flush(FileHandle_t file) = 0;
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virtual bool Precache(const char *pFileName, const char *pPathID = 0) = 0;
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virtual bool FileExists(const char *pFileName, const char *pPathID = 0) = 0;
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virtual bool IsFileWritable(char const *pFileName, const char *pPathID = 0) = 0;
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virtual bool SetFileWritable(char const *pFileName, bool writable, const char *pPathID = 0) = 0;
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virtual long GetFileTime(const char *pFileName, const char *pPathID = 0) = 0;
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//--------------------------------------------------------
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// Reads/writes files to utlbuffers. Use this for optimal read performance when doing open/read/close
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//--------------------------------------------------------
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virtual bool ReadFile(const char *pFileName, const char *pPath, CUtlBuffer &buf, int nMaxBytes = 0, int nStartingByte = 0, FSAllocFunc_t pfnAlloc = NULL) = 0;
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virtual bool WriteFile(const char *pFileName, const char *pPath, CUtlBuffer &buf) = 0;
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virtual bool UnzipFile(const char *pFileName, const char *pPath, const char *pDestination) = 0;
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virtual bool CopyAFile(const char *pFileName, const char *pPath, const char *pDestination, bool bDontOverwrite = false) = 0;
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//--------------------------------------------------------
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// Search path manipulation
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//--------------------------------------------------------
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virtual void unk001() = 0;
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virtual void unk002() = 0;
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// Add paths in priority order (mod dir, game dir, ....)
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// If one or more .pak files are in the specified directory, then they are
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// added after the file system path
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@ -468,7 +504,7 @@ public:
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// Remove all search paths (including write path?)
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virtual void RemoveAllSearchPaths( void ) = 0;
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// Remove search paths associated with a given pathID
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virtual void RemoveSearchPaths( const char *szPathID ) = 0;
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@ -478,23 +514,20 @@ public:
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// remember it in case you add search paths with this path ID.
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virtual void MarkPathIDByRequestOnly( const char *pPathID, bool bRequestOnly ) = 0;
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virtual void Unknown1(const char *a1, void *a2) = 0;
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virtual void Unknown2(void *a1, void *a2, void *a3, char *a4) = 0;
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virtual const char *Unknown3(void *a1, void *a2, void *a3, int a4, char *a5, double a6) = 0;
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virtual void Unknown4() = 0;
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virtual void Unknown5(void *a1, int a2, int *a3) = 0;
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virtual void Unknown6() = 0;
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/*
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virtual bool IsFileInReadOnlySearchPath ( const char *pPathID, const char *pFileName ) = 0;
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virtual void SetSearchPathReadOnly( const char *pPathID, const char *, bool bReadOnly ) = 0;
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// converts a partial path into a full path
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virtual const char *RelativePathToFullPath( const char *pFileName, const char *pPathID, char *pLocalPath, int localPathBufferSize, PathTypeFilter_t pathFilter = FILTER_NONE, PathTypeQuery_t *pPathType = NULL ) = 0;
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virtual bool GetWritePath(const char*, const char*, CBufferString *) = 0;
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// Returns the search path, each path is separated by ;s. Returns the length of the string returned
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virtual int GetSearchPath( const char *pathID, GetSearchPathTypes_t pathType, char *pPath, int nMaxLen ) = 0;
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*/
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virtual int GetSearchPath( const char *pathID, GetSearchPathTypes_t pathType, CBufferString *pPath, int nMaxLen ) = 0;
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virtual void unk003() = 0;
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virtual void unk004() = 0;
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//--------------------------------------------------------
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// File manipulation operations
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//--------------------------------------------------------
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@ -508,6 +541,8 @@ public:
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// create a local directory structure
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virtual void CreateDirHierarchy( const char *path, const char *pathID = 0 ) = 0;
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virtual void unk005() = 0;
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// File I/O and info
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virtual bool IsDirectory( const char *pFileName, const char *pathID = 0 ) = 0;
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@ -523,7 +558,9 @@ public:
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virtual bool EndOfFile( FileHandle_t file ) = 0;
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virtual const char *ReadLine(FileHandle_t file, bool bStripNewline = true) = 0;
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virtual char *ReadLine( char *pOutput, int maxChars, FileHandle_t file ) = 0;
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virtual int FPrintf( FileHandle_t file, const char *pFormat, ... ) FMTFUNCTION( 3, 4 ) = 0;
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//--------------------------------------------------------
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@ -561,10 +598,6 @@ public:
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// File name and directory operations
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//--------------------------------------------------------
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// FIXME: This method is obsolete! Use RelativePathToFullPath instead!
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// converts a partial path into a full path
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virtual const char *GetLocalPath( const char *pFileName, char *pLocalPath, int localPathBufferSize ) = 0;
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// Returns true on success ( based on current list of search paths, otherwise false if
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// it can't be resolved )
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virtual bool FullPathToRelativePath( const char *pFullpath, const char *pPathID, char *pRelative, int maxlen ) = 0;
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@ -579,86 +612,21 @@ public:
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virtual FileNameHandle_t FindOrAddFileName( char const *pFileName ) = 0;
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virtual bool String( const FileNameHandle_t& handle, char *buf, int buflen ) = 0;
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//--------------------------------------------------------
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// Asynchronous file operations
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//--------------------------------------------------------
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virtual void unk006() = 0;
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virtual void unk007() = 0;
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virtual void unk008() = 0;
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//------------------------------------
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// Global operations
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//------------------------------------
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FSAsyncStatus_t AsyncRead( const FileAsyncRequest_t &request, FSAsyncControl_t *phControl = NULL ) { return AsyncReadMultiple( &request, 1, phControl ); }
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virtual FSAsyncStatus_t AsyncReadMultiple( const FileAsyncRequest_t *pRequests, int nRequests, FSAsyncControl_t *phControls = NULL ) = 0;
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virtual FSAsyncStatus_t AsyncAppend(const char *pFileName, const void *pSrc, int nSrcBytes, bool bFreeMemory, FSAsyncControl_t *pControl = NULL ) = 0;
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virtual FSAsyncStatus_t AsyncAppendFile(const char *pAppendToFileName, const char *pAppendFromFileName, FSAsyncControl_t *pControl = NULL ) = 0;
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virtual void AsyncFinishAll( int iToPriority = 0 ) = 0;
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virtual void AsyncFinishAllWrites() = 0;
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virtual FSAsyncStatus_t AsyncFlush() = 0;
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virtual bool AsyncSuspend() = 0;
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virtual bool AsyncResume() = 0;
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virtual void Trace_DumpUnclosedFiles() = 0;
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//------------------------------------
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// Functions to hold a file open if planning on doing mutiple reads. Use is optional,
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// and is taken only as a hint
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//------------------------------------
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virtual FSAsyncStatus_t AsyncBeginRead( const char *pszFile, FSAsyncFile_t *phFile ) = 0;
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virtual FSAsyncStatus_t AsyncEndRead( FSAsyncFile_t hFile ) = 0;
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//------------------------------------
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// Request management
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//------------------------------------
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virtual FSAsyncStatus_t AsyncFinish( FSAsyncControl_t hControl, bool wait = true ) = 0;
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virtual FSAsyncStatus_t AsyncGetResult( FSAsyncControl_t hControl, void **ppData, int *pSize ) = 0;
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virtual FSAsyncStatus_t AsyncAbort( FSAsyncControl_t hControl ) = 0;
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virtual FSAsyncStatus_t AsyncStatus( FSAsyncControl_t hControl ) = 0;
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// set a new priority for a file already in the queue
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virtual FSAsyncStatus_t AsyncSetPriority(FSAsyncControl_t hControl, int newPriority) = 0;
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virtual void AsyncAddRef( FSAsyncControl_t hControl ) = 0;
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virtual void AsyncRelease( FSAsyncControl_t hControl ) = 0;
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//--------------------------------------------------------
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// Remote resource management
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//--------------------------------------------------------
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// starts waiting for resources to be available
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// returns FILESYSTEM_INVALID_HANDLE if there is nothing to wait on
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virtual WaitForResourcesHandle_t WaitForResources( const char *resourcelist ) = 0;
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// get progress on waiting for resources; progress is a float [0, 1], complete is true on the waiting being done
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// returns false if no progress is available
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// any calls after complete is true or on an invalid handle will return false, 0.0f, true
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virtual bool GetWaitForResourcesProgress( WaitForResourcesHandle_t handle, float *progress /* out */ , bool *complete /* out */ ) = 0;
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// cancels a progress call
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virtual void CancelWaitForResources( WaitForResourcesHandle_t handle ) = 0;
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// hints that a set of files will be loaded in near future
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// HintResourceNeed() is not to be confused with resource precaching.
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virtual int HintResourceNeed( const char *hintlist, int forgetEverything ) = 0;
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// returns true if a file is on disk
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virtual bool IsFileImmediatelyAvailable(const char *pFileName) = 0;
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// copies file out of pak/bsp/steam cache onto disk (to be accessible by third-party code)
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virtual void GetLocalCopy( const char *pFileName ) = 0;
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//--------------------------------------------------------
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// Debugging operations
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//--------------------------------------------------------
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// Dump to printf/OutputDebugString the list of files that have not been closed
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virtual void PrintOpenedFiles( void ) = 0;
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virtual void PrintSearchPaths( void ) = 0;
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// output
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virtual void SetWarningFunc( void (*pfnWarning)( const char *fmt, ... ) ) = 0;
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virtual void SetWarningLevel( FileWarningLevel_t level ) = 0;
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virtual void AddLoggingFunc( void (*pfnLogFunc)( const char *fileName, const char *accessType ) ) = 0;
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virtual void RemoveLoggingFunc( FileSystemLoggingFunc_t logFunc ) = 0;
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// Returns the file system statistics retreived by the implementation. Returns NULL if not supported.
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virtual const FileSystemStatistics *GetFilesystemStatistics() = 0;
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//--------------------------------------------------------
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// Start of new functions after Lost Coast release (7/05)
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//--------------------------------------------------------
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virtual FileHandle_t OpenEx( const char *pFileName, const char *pOptions, unsigned flags = 0, const char *pathID = 0 ) = 0;
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// Extended version of read provides more context to allow for more optimal reading
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@ -685,17 +653,8 @@ public:
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// If the "PreloadedData" hasn't been purged, then this'll try and instance the KeyValues using the fast path of compiled keyvalues loaded during startup.
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// Otherwise, it'll just fall through to the regular KeyValues loading routines
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virtual KeyValues *LoadKeyValues( KeyValuesPreloadType_t type, char const *filename, char const *pPathID = 0 ) = 0;
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virtual bool LoadKeyValues( KeyValues& head, KeyValuesPreloadType_t type, char const *filename, char const *pPathID = 0 ) = 0;
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virtual FSAsyncStatus_t AsyncWrite(const char *pFileName, const void *pSrc, int nSrcBytes, bool bFreeMemory, bool bAppend = false, FSAsyncControl_t *pControl = NULL ) = 0;
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virtual FSAsyncStatus_t AsyncWriteFile(const char *pFileName, const CUtlBuffer *pSrc, int nSrcBytes, bool bFreeMemory, bool bAppend = false, FSAsyncControl_t *pControl = NULL ) = 0;
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// Async read functions with memory blame
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FSAsyncStatus_t AsyncReadCreditAlloc( const FileAsyncRequest_t &request, const char *pszFile, int line, FSAsyncControl_t *phControl = NULL ) { return AsyncReadMultipleCreditAlloc( &request, 1, pszFile, line, phControl ); }
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virtual FSAsyncStatus_t AsyncWriteUGCFile( const char *pFileName, const CUtlBuffer *pSrc, int nSrcBytes, bool bFreeMemory, CUtlDelegate<void (bool, const char *)> callback, FSAsyncControl_t *phControl = NULL ) = 0;
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virtual FSAsyncStatus_t AsyncReadMultipleCreditAlloc( const FileAsyncRequest_t *pRequests, int nRequests, const char *pszFile, int line, FSAsyncControl_t *phControls = NULL ) = 0;
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virtual FSAsyncStatus_t AsyncDirectoryScan( const char* pSearchSpec, bool recurseFolders, void* pContext, FSAsyncScanAddFunc_t pfnAdd, FSAsyncScanCompleteFunc_t pfnDone, FSAsyncControl_t *pControl = NULL ) = 0;
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virtual KeyValues *LoadKeyValues( KeyValuesPreloadType_t type, char const *filename, char const *pPathID = 0 ) = 0;
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virtual bool GetFileTypeForFullPath( char const *pFullPath, wchar_t *buf, size_t bufSizeInBytes ) = 0;
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@ -707,7 +666,6 @@ public:
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// Optimal IO operations
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//--------------------------------------------------------
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virtual bool GetOptimalIOConstraints( FileHandle_t hFile, unsigned *pOffsetAlign, unsigned *pSizeAlign, unsigned *pBufferAlign ) = 0;
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inline unsigned GetOptimalReadSize( FileHandle_t hFile, unsigned nLogicalSize );
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virtual void *AllocOptimalReadBuffer( FileHandle_t hFile, unsigned nSize = 0, unsigned nOffset = 0 ) = 0;
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virtual void FreeOptimalReadBuffer( void * ) = 0;
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@ -789,43 +747,39 @@ public:
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virtual bool IsVPKFileLoaded( const char *pszName ) = 0;
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virtual void EnableAutoVPKFileLoading( bool ) = 0;
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virtual void GetAutoVPKFileLoading( void ) = 0;
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virtual void unk009() = 0;
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virtual void unk010() = 0;
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virtual void unk011() = 0;
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virtual void unk012() = 0;
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/*
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//These doesn't particularly match the up to date binary, but leaving a note that they were here before!
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virtual void AddUGCVPKFile( uint64 ugcId, const char *, SearchPathAdd_t ) = 0;
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virtual void RemoveUGCVPKFile( uint64 ugcId, const char * ) = 0;
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virtual bool IsUGCVPKFileLoaded( uint64 ugcId ) = 0;
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*/
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virtual void ParseUGCHandleFromFilename( const char *, char ** )const = 0;
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virtual void CreateFilenameForUGCFile( char *, int, uint64 ugcId, const char *, char ) const = 0;
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virtual void GetUGCInfo( uint64 ugcId, char **, int *, CSteamID * ) = 0;
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virtual void OpenUGCFile( uint64 ugcId ) = 0;
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virtual void SyncDvdDevCache() = 0;
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virtual bool DiscoverDLC( int iController ) = 0;
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virtual int IsAnyDLCPresent( bool *pbDLCSearchPathMounted = NULL ) = 0;
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virtual bool GetAnyDLCInfo( int iDLC, unsigned int *pLicenseMask, wchar_t *pTitleBuff, int nOutTitleSize ) = 0;
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virtual int IsAnyCorruptDLC() = 0;
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virtual bool GetAnyCorruptDLCInfo( int iCorruptDLC, wchar_t *pTitleBuff, int nOutTitleSize ) = 0;
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virtual bool AddDLCSearchPaths() = 0;
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virtual bool IsSpecificDLCPresent( unsigned int nDLCPackage ) = 0;
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// call this to look for CPU-hogs during loading processes. When you set this, a breakpoint
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// will be issued whenever the indicated # of seconds go by without an i/o request. Passing
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// 0.0 will turn off the functionality.
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virtual void SetIODelayAlarm( float flThreshhold ) = 0;
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virtual ILowLevelFileIO *GetLowLevelFileIO( void ) = 0;
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virtual void SetLowLevelFileIO( ILowLevelFileIO * ) = 0;
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virtual void AddXLSPUpdateSearchPath( const void *, int ) = 0;
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virtual void DumpFileSystemStats( int, const char * ) = 0;
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virtual void DeleteDirectory( const char *pFileName, const char *pathID = 0 ) = 0;
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virtual bool DeleteDirectory( const char *pFileName, const char *pathID = 0 ) = 0;
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virtual bool DeleteDirectoryAndContents_R( const char *pFileName, const char *pathID, bool ) = 0;
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virtual bool IsPathInvalidForFilesystem( const char *pFileName ) = 0;
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virtual void GetAvailableDrives( CUtlVector<CUtlString> &drives ) = 0;
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virtual const char *ReadLine( FileHandle_t file, bool bStripNewline = true ) = 0;
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virtual void GetSearchPathsForPathID( const char*, GetSearchPathTypes_t, CUtlVector<CUtlString> & ) = 0;
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virtual void MarkCorrupt( bool, const char* ) = 0;
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};
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//-----------------------------------------------------------------------------
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@ -861,19 +815,6 @@ private:
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#define DISK_INTENSIVE() ((void)0)
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#endif
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//-----------------------------------------------------------------------------
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inline unsigned IFileSystem::GetOptimalReadSize( FileHandle_t hFile, unsigned nLogicalSize )
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{
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unsigned align;
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if ( GetOptimalIOConstraints( hFile, &align, NULL, NULL ) )
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return AlignValue( nLogicalSize, align );
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else
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return nLogicalSize;
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}
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//-----------------------------------------------------------------------------
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// We include this here so it'll catch compile errors in VMPI early.
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#include "filesystem_passthru.h"
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