68 lines
4.2 KiB
C
68 lines
4.2 KiB
C
#include "hash.h"
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#define FSVER 2
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#define FF_NOTFOUND (0u) //file wasn't found
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#define FF_FOUND (1u<<0u) //file was found
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#define FF_SYMLINK (1u<<1u) //file contents are the name of a different file (symlink). do a recursive lookup on the name
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#define FF_DIRECTORY (1u<<2u)
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typedef struct
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{
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bucket_t buck;
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int depth; /*shallower files will remove deeper files*/
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} fsbucket_t;
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extern hashtable_t filesystemhash; //this table is the one to build your hash references into
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extern int fs_hash_dups; //for tracking efficiency. no functional use.
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extern int fs_hash_files; //for tracking efficiency. no functional use.
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extern qboolean fs_readonly; //if true, fopen(, "w") should always fail.
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struct searchpath_s;
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struct searchpathfuncs_s
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{
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int fsver;
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void (QDECL *ClosePath)(searchpathfuncs_t *handle);
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void (QDECL *GetPathDetails)(searchpathfuncs_t *handle, char *outdetails, size_t sizeofdetails);
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void (QDECL *BuildHash)(searchpathfuncs_t *handle, int depth, void (QDECL *FS_AddFileHash)(int depth, const char *fname, fsbucket_t *filehandle, void *pathhandle));
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unsigned int (QDECL *FindFile)(searchpathfuncs_t *handle, flocation_t *loc, const char *name, void *hashedresult); //true if found (hashedresult can be NULL)
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//note that if rawfile and offset are set, many Com_FileOpens will read the raw file
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//otherwise ReadFile will be called instead.
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void (QDECL *ReadFile)(searchpathfuncs_t *handle, flocation_t *loc, char *buffer); //reads the entire file in one go (size comes from loc, so make sure the loc is valid, this is for performance with compressed archives)
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int (QDECL *EnumerateFiles)(searchpathfuncs_t *handle, const char *match, int (QDECL *func)(const char *fname, qofs_t fsize, void *parm, searchpathfuncs_t *spath), void *parm);
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int (QDECL *GeneratePureCRC) (searchpathfuncs_t *handle, int seed, int usepure);
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vfsfile_t * (QDECL *OpenVFS)(searchpathfuncs_t *handle, flocation_t *loc, const char *mode);
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qboolean (QDECL *PollChanges)(searchpathfuncs_t *handle); //returns true if there were changes
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qboolean (QDECL *RenameFile)(searchpathfuncs_t *handle, const char *oldname, const char *newname); //returns true on success, false if source doesn't exist, or if dest does.
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qboolean (QDECL *RemoveFile)(searchpathfuncs_t *handle, const char *filename); //returns true on success, false if it wasn't found or is readonly.
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qboolean (QDECL *MkDir)(searchpathfuncs_t *handle, const char *filename); //is this really needed?
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};
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//searchpathfuncs_t *(QDECL *OpenNew)(vfsfile_t *file, const char *desc); //returns a handle to a new pak/path
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//the stdio filesystem is special as that's the starting point of the entire filesystem
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//warning: the handle is known to be a string pointer to the dir name
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extern searchpathfuncs_t *(QDECL VFSOS_OpenPath) (vfsfile_t *file, const char *desc);
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extern searchpathfuncs_t *(QDECL FSZIP_LoadArchive) (vfsfile_t *packhandle, const char *desc);
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extern searchpathfuncs_t *(QDECL FSPAK_LoadArchive) (vfsfile_t *packhandle, const char *desc);
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extern searchpathfuncs_t *(QDECL FSDWD_LoadArchive) (vfsfile_t *packhandle, const char *desc);
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vfsfile_t *QDECL VFSOS_Open(const char *osname, const char *mode);
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vfsfile_t *FS_DecompressGZip(vfsfile_t *infile, vfsfile_t *outfile);
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int FS_RegisterFileSystemType(void *module, const char *extension, searchpathfuncs_t *(QDECL *OpenNew)(vfsfile_t *file, const char *desc), qboolean loadscan);
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void FS_UnRegisterFileSystemType(int idx);
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void FS_UnRegisterFileSystemModule(void *module);
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void FS_EnumerateKnownGames(qboolean (*callback)(void *usr, ftemanifest_t *man), void *usr);
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#define SPF_REFERENCED 1 //something has been loaded from this path. should filter out client references...
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#define SPF_COPYPROTECTED 2 //downloads are not allowed fom here.
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#define SPF_TEMPORARY 4 //a map-specific path, purged at map change.
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#define SPF_EXPLICIT 8 //a root gamedir (bumps depth on gamedir depth checks).
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#define SPF_UNTRUSTED 16 //has been downloaded from somewhere. configs inside it should never be execed with local access rights.
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#define SPF_PRIVATE 32 //private to the client. ie: the fte dir.
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qboolean FS_LoadPackageFromFile(vfsfile_t *vfs, char *pname, char *localname, int *crc, unsigned int flags);
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