memarchiver.h

/*
===========================================================================
Copyright (C) 2023 the OpenMoHAA team
 
This file is part of OpenMoHAA source code.
 
OpenMoHAA 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 2 of the License,
or (at your option) any later version.
 
OpenMoHAA 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 OpenMoHAA source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
*/
 
// DESCRIPTION:
// In-memory archiver
 
#include "cg_local.h"
 
class Vector;
class str;
 
typedef enum {
    MEMARC_WRITING,
    MEMARC_READING
} archiverState_e;
 
class MemArchiver
{
public:
    MemArchiver();
    ~MemArchiver();
 
    void   SetupForWriting(size_t initialSize);
    void   SetupForReading(byte *buffer, size_t size);
    void   SetBaseTime(unsigned int time);
    size_t BufferSize() const;
    byte  *ConfiscateBuffer();
    bool   IsReading() const;
    bool   IsWriting() const;
    bool   FinishedReading() const;
 
    void ArchiveByte(byte *value);
    void ArchiveBoolean(qboolean *value);
    void ArchiveChar(char *value);
    void ArchiveUChar(unsigned char *value);
    void ArchiveShort(short *value);
    void ArchiveInteger(int *value);
    void ArchiveSize(size_t *value);
    void ArchiveFloat(float *value);
    void ArchiveVec3(vec3_t value);
    void ArchiveVector(Vector *value);
    void ArchiveString(str *value);
    void ArchiveTime(int *value);
    void ArchiveRaw(void *buffer, size_t size);
    void ArchiveReadRaw(void *buffer, size_t size);
    void ArchiveWriteRaw(const void *buffer, size_t size);
 
private:
    archiverState_e state;
    byte           *buffer;
    size_t          bufferSize;
    size_t          allocatedSize;
    int             svsTime;
};