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/* ScummVM - Scumm Interpreter
* Copyright (C) 2002 The ScummVM project
*
* This program 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.
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*
*/
#ifndef SAVELOAD_H
#define SAVELOAD_H
#define OFFS(type,item) ((int)(&((type*)0)->type::item))
#define SIZE(type,item) sizeof(((type*)0)->type::item)
#define MKLINE(type,item,saveas) {OFFS(type,item),saveas,SIZE(type,item)}
#define MKARRAY(type,item,saveas,num) {OFFS(type,item),128|saveas,SIZE(type,item)}, {num,0,0}
#define MKEND() {0xFFFF,0xFF,0xFF}
#define MKREF(type,item,refid) {OFFS(type,item),refid,0xFF}
enum {
sleByte = 1,
sleUint8 = 1,
sleInt8 = 1,
sleInt16 = 2,
sleUint16 = 3,
sleInt32 = 4,
sleUint32 = 5
};
struct SaveLoadEntry {
uint32 offs;
uint8 type;
uint8 size;
};
struct SerializerStream {
#ifdef NONSTANDARD_SAVE
void *context;
bool fopen(const char *filename, const char *mode);
void fclose();
int fread(void *buf, int size, int cnt);
int fwrite(void *buf, int size, int cnt);
#else
FILE *out;
FILE *fopen(const char *filename, const char *mode) {
return out = ::fopen(filename, mode);
}
void fclose() {
::fclose(out);
}
int fread(void *buf, int size, int cnt) {
return ::fread(buf, size, cnt, out);
}
int fwrite(void *buf, int size, int cnt) {
return ::fwrite(buf, size, cnt, out);
}
#endif
};
typedef int SerializerSaveReference(void *me, byte type, void *ref);
typedef void *SerializerLoadReference(void *me, byte type, int ref);
struct Serializer {
SerializerStream _saveLoadStream;
union {
SerializerSaveReference *_save_ref;
SerializerLoadReference *_load_ref;
void *_saveload_ref;
};
void *_ref_me;
bool _saveOrLoad;
void saveBytes(void *b, int len);
void loadBytes(void *b, int len);
void saveLoadArrayOf(void *b, int len, int datasize, byte filetype);
void saveLoadEntries(void *d, const SaveLoadEntry *sle);
void saveLoadArrayOf(void *b, int num, int datasize, const SaveLoadEntry *sle);
void saveUint32(uint32 d);
void saveWord(uint16 d);
void saveByte(byte b);
byte loadByte();
uint16 loadWord();
uint32 loadUint32();
bool isSaving() { return _saveOrLoad; }
bool checkEOFLoadStream();
};
#endif
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