mirror of
https://github.com/ZDoom/Raze.git
synced 2024-12-02 17:12:11 +00:00
225 lines
8 KiB
C++
225 lines
8 KiB
C++
#pragma once
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// DESCRIPTION:
|
|
// File system I/O functions.
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
|
|
|
|
#include "files.h"
|
|
#include "tarray.h"
|
|
#include "cmdlib.h"
|
|
#include "zstring.h"
|
|
#include "resourcefile.h"
|
|
|
|
class FResourceFile;
|
|
struct FResourceLump;
|
|
class FGameTexture;
|
|
|
|
union LumpShortName
|
|
{
|
|
char String[9];
|
|
|
|
uint32_t dword; // These are for accessing the first 4 or 8 chars of
|
|
uint64_t qword; // Name as a unit without breaking strict aliasing rules
|
|
};
|
|
|
|
|
|
// A lump in memory.
|
|
class FileData
|
|
{
|
|
public:
|
|
FileData ();
|
|
|
|
FileData (const FileData ©);
|
|
FileData &operator= (const FileData ©);
|
|
~FileData ();
|
|
void *GetMem () { return Block.Len() == 0 ? NULL : (void *)Block.GetChars(); }
|
|
size_t GetSize () { return Block.Len(); }
|
|
const FString &GetString () const { return Block; }
|
|
|
|
private:
|
|
FileData (const FString &source);
|
|
|
|
FString Block;
|
|
|
|
friend class FileSystem;
|
|
};
|
|
|
|
struct FolderEntry
|
|
{
|
|
const char *name;
|
|
unsigned lumpnum;
|
|
};
|
|
|
|
class FileSystem
|
|
{
|
|
public:
|
|
FileSystem ();
|
|
~FileSystem ();
|
|
|
|
// The wadnum for the IWAD
|
|
int GetIwadNum() { return IwadIndex; }
|
|
void SetIwadNum(int x) { IwadIndex = x; }
|
|
|
|
int GetMaxIwadNum() { return MaxIwadIndex; }
|
|
void SetMaxIwadNum(int x) { MaxIwadIndex = x; }
|
|
|
|
void InitSingleFile(const char *filename, bool quiet = false);
|
|
void InitMultipleFiles (TArray<FString> &filenames, bool quiet = false, LumpFilterInfo* filter = nullptr);
|
|
void AddFile (const char *filename, FileReader *wadinfo, bool quiet, LumpFilterInfo* filter);
|
|
int CheckIfResourceFileLoaded (const char *name) noexcept;
|
|
void AddAdditionalFile(const char* filename, FileReader* wadinfo = NULL) {}
|
|
|
|
const char *GetResourceFileName (int filenum) const noexcept;
|
|
const char *GetResourceFileFullName (int wadnum) const noexcept;
|
|
|
|
int GetFirstEntry(int wadnum) const noexcept;
|
|
int GetLastEntry(int wadnum) const noexcept;
|
|
int GetEntryCount(int wadnum) const noexcept;
|
|
|
|
int CheckNumForName (const char *name, int namespc);
|
|
int CheckNumForName (const char *name, int namespc, int wadfile, bool exact = true);
|
|
int GetNumForName (const char *name, int namespc);
|
|
|
|
inline int CheckNumForName (const uint8_t *name) { return CheckNumForName ((const char *)name, ns_global); }
|
|
inline int CheckNumForName (const char *name) { return CheckNumForName (name, ns_global); }
|
|
inline int CheckNumForName (const FString &name) { return CheckNumForName (name.GetChars()); }
|
|
inline int CheckNumForName (const uint8_t *name, int ns) { return CheckNumForName ((const char *)name, ns); }
|
|
inline int GetNumForName (const char *name) { return GetNumForName (name, ns_global); }
|
|
inline int GetNumForName (const FString &name) { return GetNumForName (name.GetChars(), ns_global); }
|
|
inline int GetNumForName (const uint8_t *name) { return GetNumForName ((const char *)name); }
|
|
inline int GetNumForName (const uint8_t *name, int ns) { return GetNumForName ((const char *)name, ns); }
|
|
|
|
int CheckNumForFullName (const char *name, bool trynormal = false, int namespc = ns_global, bool ignoreext = false);
|
|
int CheckNumForFullName (const char *name, int wadfile);
|
|
int GetNumForFullName (const char *name);
|
|
int FindFile(const char* name)
|
|
{
|
|
return CheckNumForFullName(name);
|
|
}
|
|
|
|
bool FileExists(const char* name)
|
|
{
|
|
return FindFile(name) >= 0;
|
|
}
|
|
|
|
bool FileExists(const FString& name)
|
|
{
|
|
return FindFile(name) >= 0;
|
|
}
|
|
|
|
bool FileExists(const std::string& name)
|
|
{
|
|
return FindFile(name.c_str()) >= 0;
|
|
}
|
|
|
|
LumpShortName& GetShortName(int i); // may only be called before the hash chains are set up.
|
|
void RenameFile(int num, const char* fn);
|
|
bool CreatePathlessCopy(const char* name, int id, int flags);
|
|
|
|
inline int CheckNumForFullName(const FString &name, bool trynormal = false, int namespc = ns_global) { return CheckNumForFullName(name.GetChars(), trynormal, namespc); }
|
|
inline int CheckNumForFullName (const FString &name, int wadfile) { return CheckNumForFullName(name.GetChars(), wadfile); }
|
|
inline int GetNumForFullName (const FString &name) { return GetNumForFullName(name.GetChars()); }
|
|
|
|
void SetLinkedTexture(int lump, FGameTexture *tex);
|
|
FGameTexture *GetLinkedTexture(int lump);
|
|
|
|
|
|
void ReadFile (int lump, void *dest);
|
|
TArray<uint8_t> GetFileData(int lump, int pad = 0); // reads lump into a writable buffer and optionally adds some padding at the end. (FileData isn't writable!)
|
|
FileData ReadFile (int lump);
|
|
FileData ReadFile (const char *name) { return ReadFile (GetNumForName (name)); }
|
|
|
|
inline TArray<uint8_t> LoadFile(const char* name, int padding = 0)
|
|
{
|
|
auto lump = FindFile(name);
|
|
if (lump < 0) return TArray<uint8_t>();
|
|
return GetFileData(lump, padding);
|
|
}
|
|
|
|
FileReader OpenFileReader(int lump); // opens a reader that redirects to the containing file's one.
|
|
FileReader ReopenFileReader(int lump, bool alwayscache = false); // opens an independent reader.
|
|
FileReader OpenFileReader(const char* name);
|
|
|
|
int FindLump (const char *name, int *lastlump, bool anyns=false); // [RH] Find lumps with duplication
|
|
int FindLumpMulti (const char **names, int *lastlump, bool anyns = false, int *nameindex = NULL); // same with multiple possible names
|
|
int FindLumpFullName(const char* name, int* lastlump, bool noext = false);
|
|
bool CheckFileName (int lump, const char *name); // [RH] True if lump's name == name
|
|
|
|
int FindFileWithExtensions(const char* name, const char* const* exts, int count);
|
|
int FindResource(int resid, const char* type, int filenum = -1) const noexcept;
|
|
int GetResource(int resid, const char* type, int filenum = -1) const;
|
|
|
|
|
|
static uint32_t LumpNameHash (const char *name); // [RH] Create hash key from an 8-char name
|
|
|
|
int FileLength (int lump) const;
|
|
int GetFileOffset (int lump); // [RH] Returns offset of lump in the wadfile
|
|
int GetFileFlags (int lump); // Return the flags for this lump
|
|
void GetFileShortName (char *to, int lump) const; // [RH] Copies the lump name to to using uppercopy
|
|
void GetFileShortName (FString &to, int lump) const;
|
|
const char* GetFileShortName(int lump) const;
|
|
const char *GetFileFullName (int lump, bool returnshort = true) const; // [RH] Returns the lump's full name
|
|
FString GetFileFullPath (int lump) const; // [RH] Returns wad's name + lump's full name
|
|
int GetFileContainer (int lump) const; // [RH] Returns wadnum for a specified lump
|
|
int GetFileNamespace (int lump) const; // [RH] Returns the namespace a lump belongs to
|
|
void SetFileNamespace(int lump, int ns);
|
|
int GetResourceId(int lump) const; // Returns the RFF index number for this lump
|
|
const char* GetResourceType(int lump) const;
|
|
bool CheckFileName (int lump, const char *name) const; // [RH] Returns true if the names match
|
|
unsigned GetFilesInFolder(const char *path, TArray<FolderEntry> &result, bool atomic) const;
|
|
|
|
int GetNumEntries() const
|
|
{
|
|
return NumEntries;
|
|
}
|
|
|
|
int GetNumWads() const
|
|
{
|
|
return Files.Size();
|
|
}
|
|
|
|
void AddLump(FResourceLump* lump);
|
|
int AddExternalFile(const char *filename);
|
|
int AddFromBuffer(const char* name, const char* type, char* data, int size, int id, int flags);
|
|
FileReader* GetFileReader(int wadnum); // Gets a FileReader object to the entire WAD
|
|
void InitHashChains();
|
|
FResourceLump* GetFileAt(int no);
|
|
|
|
protected:
|
|
|
|
struct LumpRecord;
|
|
|
|
TArray<FResourceFile *> Files;
|
|
TArray<LumpRecord> FileInfo;
|
|
|
|
TArray<uint32_t> Hashes; // one allocation for all hash lists.
|
|
uint32_t *FirstLumpIndex; // [RH] Hashing stuff moved out of lumpinfo structure
|
|
uint32_t *NextLumpIndex;
|
|
|
|
uint32_t *FirstLumpIndex_FullName; // The same information for fully qualified paths from .zips
|
|
uint32_t *NextLumpIndex_FullName;
|
|
|
|
uint32_t *FirstLumpIndex_NoExt; // The same information for fully qualified paths from .zips
|
|
uint32_t *NextLumpIndex_NoExt;
|
|
|
|
uint32_t* FirstLumpIndex_ResId; // The same information for fully qualified paths from .zips
|
|
uint32_t* NextLumpIndex_ResId;
|
|
|
|
uint32_t NumEntries = 0; // Not necessarily the same as FileInfo.Size()
|
|
uint32_t NumWads;
|
|
|
|
int IwadIndex = -1;
|
|
int MaxIwadIndex = -1;
|
|
|
|
private:
|
|
void DeleteAll();
|
|
void MoveLumpsInFolder(const char *);
|
|
|
|
};
|
|
|
|
extern FileSystem fileSystem;
|
|
|