mirror of
https://github.com/dhewm/dhewm3-sdk.git
synced 2024-11-21 12:11:07 +00:00
255 lines
9 KiB
C++
255 lines
9 KiB
C++
/*
|
|
===========================================================================
|
|
|
|
Doom 3 GPL Source Code
|
|
Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
|
|
|
|
This file is part of the Doom 3 GPL Source Code ("Doom 3 Source Code").
|
|
|
|
Doom 3 Source Code is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
Doom 3 Source Code is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with Doom 3 Source Code. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code. If not, please request a copy in writing from id Software at the address below.
|
|
|
|
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
|
|
|
|
===========================================================================
|
|
*/
|
|
|
|
#ifndef __FILE_H__
|
|
#define __FILE_H__
|
|
|
|
#include "idlib/math/Vector.h"
|
|
#include "idlib/BitMsg.h"
|
|
|
|
//#include "framework/Unzip.h"
|
|
// DG: instead of getting ZPOS64_T from some zlib header (via Unzip.h)
|
|
// just define it here
|
|
#ifdef _WIN32
|
|
typedef unsigned __int64 ZPOS64_T;
|
|
#else
|
|
typedef uint64_t ZPOS64_T;
|
|
#endif
|
|
|
|
/*
|
|
==============================================================
|
|
|
|
File Streams.
|
|
|
|
==============================================================
|
|
*/
|
|
|
|
// mode parm for Seek
|
|
typedef enum {
|
|
FS_SEEK_CUR,
|
|
FS_SEEK_END,
|
|
FS_SEEK_SET
|
|
} fsOrigin_t;
|
|
|
|
class idFileSystemLocal;
|
|
|
|
|
|
class idFile {
|
|
public:
|
|
virtual ~idFile( void ) {};
|
|
// Get the name of the file.
|
|
virtual const char * GetName( void );
|
|
// Get the full file path.
|
|
virtual const char * GetFullPath( void );
|
|
// Read data from the file to the buffer.
|
|
virtual int Read( void *buffer, int len );
|
|
// Write data from the buffer to the file.
|
|
virtual int Write( const void *buffer, int len );
|
|
// Returns the length of the file.
|
|
virtual int Length( void );
|
|
// Return a time value for reload operations.
|
|
virtual ID_TIME_T Timestamp( void );
|
|
// Returns offset in file.
|
|
virtual int Tell( void );
|
|
// Forces flush on files being writting to.
|
|
virtual void ForceFlush( void );
|
|
// Causes any buffered data to be written to the file.
|
|
virtual void Flush( void );
|
|
// Seek on a file.
|
|
virtual int Seek( long offset, fsOrigin_t origin );
|
|
// Go back to the beginning of the file.
|
|
virtual void Rewind( void );
|
|
// Like fprintf.
|
|
virtual int Printf( const char *fmt, ... ) id_attribute((format(printf,2,3)));
|
|
// Like fprintf but with argument pointer
|
|
virtual int VPrintf( const char *fmt, va_list arg );
|
|
// Write a string with high precision floating point numbers to the file.
|
|
virtual int WriteFloatString( const char *fmt, ... ) id_attribute((format(printf,2,3)));
|
|
|
|
// Endian portable alternatives to Read(...)
|
|
virtual int ReadInt( int &value );
|
|
virtual int ReadUnsignedInt( unsigned int &value );
|
|
virtual int ReadShort( short &value );
|
|
virtual int ReadUnsignedShort( unsigned short &value );
|
|
virtual int ReadChar( char &value );
|
|
virtual int ReadUnsignedChar( unsigned char &value );
|
|
virtual int ReadFloat( float &value );
|
|
virtual int ReadBool( bool &value );
|
|
virtual int ReadString( idStr &string );
|
|
virtual int ReadVec2( idVec2 &vec );
|
|
virtual int ReadVec3( idVec3 &vec );
|
|
virtual int ReadVec4( idVec4 &vec );
|
|
virtual int ReadVec6( idVec6 &vec );
|
|
virtual int ReadMat3( idMat3 &mat );
|
|
|
|
// Endian portable alternatives to Write(...)
|
|
virtual int WriteInt( const int value );
|
|
virtual int WriteUnsignedInt( const unsigned int value );
|
|
virtual int WriteShort( const short value );
|
|
virtual int WriteUnsignedShort( unsigned short value );
|
|
virtual int WriteChar( const char value );
|
|
virtual int WriteUnsignedChar( const unsigned char value );
|
|
virtual int WriteFloat( const float value );
|
|
virtual int WriteBool( const bool value );
|
|
virtual int WriteString( const char *string );
|
|
virtual int WriteVec2( const idVec2 &vec );
|
|
virtual int WriteVec3( const idVec3 &vec );
|
|
virtual int WriteVec4( const idVec4 &vec );
|
|
virtual int WriteVec6( const idVec6 &vec );
|
|
virtual int WriteMat3( const idMat3 &mat );
|
|
};
|
|
|
|
|
|
class idFile_Memory : public idFile {
|
|
friend class idFileSystemLocal;
|
|
|
|
public:
|
|
idFile_Memory( void ); // file for writing without name
|
|
idFile_Memory( const char *name ); // file for writing
|
|
idFile_Memory( const char *name, char *data, int length ); // file for writing
|
|
idFile_Memory( const char *name, const char *data, int length ); // file for reading
|
|
virtual ~idFile_Memory( void );
|
|
|
|
virtual const char * GetName( void ) { return name.c_str(); }
|
|
virtual const char * GetFullPath( void ) { return name.c_str(); }
|
|
virtual int Read( void *buffer, int len );
|
|
virtual int Write( const void *buffer, int len );
|
|
virtual int Length( void );
|
|
virtual ID_TIME_T Timestamp( void );
|
|
virtual int Tell( void );
|
|
virtual void ForceFlush( void );
|
|
virtual void Flush( void );
|
|
virtual int Seek( long offset, fsOrigin_t origin );
|
|
|
|
// changes memory file to read only
|
|
virtual void MakeReadOnly( void );
|
|
// clear the file
|
|
virtual void Clear( bool freeMemory = true );
|
|
// set data for reading
|
|
void SetData( const char *data, int length );
|
|
// returns const pointer to the memory buffer
|
|
const char * GetDataPtr( void ) const { return filePtr; }
|
|
// set the file granularity
|
|
void SetGranularity( int g ) { assert( g > 0 ); granularity = g; }
|
|
|
|
private:
|
|
idStr name; // name of the file
|
|
int mode; // open mode
|
|
int maxSize; // maximum size of file
|
|
int fileSize; // size of the file
|
|
int allocated; // allocated size
|
|
int granularity; // file granularity
|
|
char * filePtr; // buffer holding the file data
|
|
char * curPtr; // current read/write pointer
|
|
};
|
|
|
|
|
|
class idFile_BitMsg : public idFile {
|
|
friend class idFileSystemLocal;
|
|
|
|
public:
|
|
idFile_BitMsg( idBitMsg &msg );
|
|
idFile_BitMsg( const idBitMsg &msg );
|
|
virtual ~idFile_BitMsg( void );
|
|
|
|
virtual const char * GetName( void ) { return name.c_str(); }
|
|
virtual const char * GetFullPath( void ) { return name.c_str(); }
|
|
virtual int Read( void *buffer, int len );
|
|
virtual int Write( const void *buffer, int len );
|
|
virtual int Length( void );
|
|
virtual ID_TIME_T Timestamp( void );
|
|
virtual int Tell( void );
|
|
virtual void ForceFlush( void );
|
|
virtual void Flush( void );
|
|
virtual int Seek( long offset, fsOrigin_t origin );
|
|
|
|
private:
|
|
idStr name; // name of the file
|
|
int mode; // open mode
|
|
idBitMsg * msg;
|
|
};
|
|
|
|
|
|
class idFile_Permanent : public idFile {
|
|
friend class idFileSystemLocal;
|
|
|
|
public:
|
|
idFile_Permanent( void );
|
|
virtual ~idFile_Permanent( void );
|
|
|
|
virtual const char * GetName( void ) { return name.c_str(); }
|
|
virtual const char * GetFullPath( void ) { return fullPath.c_str(); }
|
|
virtual int Read( void *buffer, int len );
|
|
virtual int Write( const void *buffer, int len );
|
|
virtual int Length( void );
|
|
virtual ID_TIME_T Timestamp( void );
|
|
virtual int Tell( void );
|
|
virtual void ForceFlush( void );
|
|
virtual void Flush( void );
|
|
virtual int Seek( long offset, fsOrigin_t origin );
|
|
|
|
// returns file pointer
|
|
FILE * GetFilePtr( void ) { return o; }
|
|
|
|
private:
|
|
idStr name; // relative path of the file - relative path
|
|
idStr fullPath; // full file path - OS path
|
|
int mode; // open mode
|
|
int fileSize; // size of the file
|
|
FILE * o; // file handle
|
|
bool handleSync; // true if written data is immediately flushed
|
|
};
|
|
|
|
|
|
class idFile_InZip : public idFile {
|
|
friend class idFileSystemLocal;
|
|
|
|
public:
|
|
idFile_InZip( void );
|
|
virtual ~idFile_InZip( void );
|
|
|
|
virtual const char * GetName( void ) { return name.c_str(); }
|
|
virtual const char * GetFullPath( void ) { return fullPath.c_str(); }
|
|
virtual int Read( void *buffer, int len );
|
|
virtual int Write( const void *buffer, int len );
|
|
virtual int Length( void );
|
|
virtual ID_TIME_T Timestamp( void );
|
|
virtual int Tell( void );
|
|
virtual void ForceFlush( void );
|
|
virtual void Flush( void );
|
|
virtual int Seek( long offset, fsOrigin_t origin );
|
|
|
|
private:
|
|
idStr name; // name of the file in the pak
|
|
idStr fullPath; // full file path including pak file name
|
|
ZPOS64_T zipFilePos; // zip file info position in pak
|
|
int fileSize; // size of the file
|
|
void * z; // unzip info
|
|
};
|
|
|
|
#endif /* !__FILE_H__ */
|