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#ifndef SAVELOAD_H
#define SAVELOAD_H
#include <setjmp.h>
typedef void ChunkSaveLoadProc(void);
typedef void AutolengthProc(void *arg);
typedef struct SaveLoadGlobVarList {
void *address;
byte conv;
byte from_version;
byte to_version;
} SaveLoadGlobVarList;
typedef struct {
uint32 id;
ChunkSaveLoadProc *save_proc;
ChunkSaveLoadProc *load_proc;
uint32 flags;
} ChunkHandler;
typedef struct {
byte null;
} NullStruct;
typedef void WriterProc(uint len);
typedef uint ReaderProc(void);
typedef uint ReferenceToIntProc(void *v, uint t);
typedef void *IntToReferenceProc(uint r, uint t);
typedef struct {
bool save;
byte need_length;
byte block_mode;
bool error;
byte version;
uint16 full_version;
int obj_len;
int array_index, last_array_index;
uint32 offs_base;
WriterProc *write_bytes;
ReaderProc *read_bytes;
ReferenceToIntProc *ref_to_int_proc;
IntToReferenceProc *int_to_ref_proc;
const ChunkHandler * const * chs;
const byte * const *includes;
byte *bufp, *bufe;
int tmp;
// these 3 may be used by compressor/decompressors.
byte *buf; // pointer and size to read/write, initialized by init
uint bufsize;
FILE *fh;
void (*excpt_uninit)(void);
const char *excpt_msg;
jmp_buf excpt; // used to jump to "exception handler"
} SaverLoader;
extern SaverLoader _sl;
enum {
REF_ORDER = 0,
REF_VEHICLE = 1,
REF_STATION = 2,
REF_TOWN = 3,
REF_VEHICLE_OLD = 4,
REF_ROADSTOPS = 5
};
enum {
INC_VEHICLE_COMMON = 0,
};
enum {
CH_RIFF = 0,
CH_ARRAY = 1,
CH_SPARSE_ARRAY = 2,
CH_TYPE_MASK = 3,
CH_LAST = 8,
CH_AUTO_LENGTH = 16,
CH_PRI_0 = 0 << 4,
CH_PRI_1 = 1 << 4,
CH_PRI_2 = 2 << 4,
CH_PRI_3 = 3 << 4,
CH_PRI_SHL = 4,
CH_NUM_PRI_LEVELS = 4,
};
enum {
SLE_FILE_I8 = 0,
SLE_FILE_U8 = 1,
SLE_FILE_I16 = 2,
SLE_FILE_U16 = 3,
SLE_FILE_I32 = 4,
SLE_FILE_U32 = 5,
SLE_FILE_I64 = 6,
SLE_FILE_U64 = 7,
SLE_FILE_STRINGID = 8,
// SLE_FILE_IVAR = 8,
// SLE_FILE_UVAR = 9,
SLE_VAR_I8 = 0 << 4,
SLE_VAR_U8 = 1 << 4,
SLE_VAR_I16 = 2 << 4,
SLE_VAR_U16 = 3 << 4,
SLE_VAR_I32 = 4 << 4,
SLE_VAR_U32 = 5 << 4,
SLE_VAR_I64 = 6 << 4,
SLE_VAR_U64 = 7 << 4,
SLE_VAR_NULL = 8 << 4, // useful to write zeros in savegame.
SLE_VAR_INT = SLE_VAR_I32,
SLE_VAR_UINT = SLE_VAR_U32,
SLE_INT8 = SLE_FILE_I8 | SLE_VAR_I8,
SLE_UINT8 = SLE_FILE_U8 | SLE_VAR_U8,
SLE_INT16 = SLE_FILE_I16 | SLE_VAR_I16,
SLE_UINT16 = SLE_FILE_U16 | SLE_VAR_U16,
SLE_INT32 = SLE_FILE_I32 | SLE_VAR_I32,
SLE_UINT32 = SLE_FILE_U32 | SLE_VAR_U32,
SLE_INT64 = SLE_FILE_I64 | SLE_VAR_I64,
SLE_UINT64 = SLE_FILE_U64 | SLE_VAR_U64,
SLE_STRINGID = SLE_FILE_STRINGID | SLE_VAR_U16,
};
#define SLE_VAR(t,i,c) 0 | (offsetof(t,i) & 0xF), offsetof(t,i) >> 4, c
#define SLE_REF(t,i,c) 0x10 | (offsetof(t,i) & 0xF), offsetof(t,i) >> 4, c
#define SLE_ARR(t,i,c,l) 0x20 | (offsetof(t,i) & 0xF), offsetof(t,i) >> 4, c, l
#define SLE_CONDVAR(t,i,c,from,to) 0x40 | (offsetof(t,i) & 0xF), offsetof(t,i) >> 4, c, from, to
#define SLE_CONDREF(t,i,c,from,to) 0x50 | (offsetof(t,i) & 0xF), offsetof(t,i) >> 4, c, from, to
#define SLE_CONDARR(t,i,c,l,from,to) 0x60 | (offsetof(t,i) & 0xF), offsetof(t,i) >> 4, c, from,to, l
#define SLE_WRITEBYTE(t,i,b,c) 0x80 | (offsetof(t,i) & 0xF), offsetof(t,i) >> 4, b, c
#define SLE_INCLUDE(t,i,c) 0x90 | (offsetof(t,i) & 0xF), offsetof(t,i) >> 4, c
#define SLE_VARX(t,c) 0x00 | ((t) & 0xF), (t) >> 4, c
#define SLE_REFX(t,c) 0x10 | ((t) & 0xF), (t) >> 4, c
#define SLE_CONDVARX(t,c,from,to) 0x40 | ((t) & 0xF), (t) >> 4, c, from, to
#define SLE_CONDREFX(t,c,from,to) 0x50 | ((t) & 0xF), (t) >> 4, c, from, to
#define SLE_WRITEBYTEX(t,b) 0x80 | ((t) & 0xF), (t) >> 4, b
#define SLE_INCLUDEX(t,c) 0x90 | ((t) & 0xF), (t) >> 4, c
#define SLE_END() 0xF0
void SlSetArrayIndex(uint index);
int SlIterateArray(void);
void SlArray(void *array, uint length, uint conv);
void SlObject(void *object, const void *desc);
void SlAutolength(AutolengthProc *proc, void *arg);
uint SlGetFieldLength(void);
int SlReadByte(void);
void SlSetLength(uint length);
void SlWriteByte(byte v);
void SlGlobList(const SaveLoadGlobVarList *desc);
//int GetSavegameType(char *file);
#endif /* SAVELOAD_H */
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