author | darkvater |
Fri, 07 Jan 2005 23:59:59 +0000 | |
changeset 930 | ab42e283749d |
parent 817 | 238bbdaa228b |
child 938 | 23cc832ac8a2 |
permissions | -rw-r--r-- |
0 | 1 |
#ifndef SAVELOAD_H |
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#define SAVELOAD_H |
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#include <setjmp.h> |
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typedef void ChunkSaveLoadProc(); |
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typedef void AutolengthProc(void *arg); |
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typedef struct SaveLoadGlobVarList { |
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void *address; |
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byte conv; |
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byte from_version; |
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byte to_version; |
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} SaveLoadGlobVarList; |
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typedef struct { |
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uint32 id; |
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ChunkSaveLoadProc *save_proc; |
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ChunkSaveLoadProc *load_proc; |
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uint32 flags; |
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} ChunkHandler; |
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typedef struct { |
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byte null; |
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} NullStruct; |
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typedef void WriterProc(uint len); |
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typedef uint ReaderProc(); |
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typedef uint ReferenceToIntProc(void *v, uint t); |
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typedef void *IntToReferenceProc(uint r, uint t); |
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typedef struct { |
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bool save; |
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byte need_length; |
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byte block_mode; |
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bool error; |
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byte version; |
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int obj_len; |
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int array_index, last_array_index; |
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uint32 offs_base; |
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WriterProc *write_bytes; |
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ReaderProc *read_bytes; |
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ReferenceToIntProc *ref_to_int_proc; |
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IntToReferenceProc *int_to_ref_proc; |
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const ChunkHandler * const * chs; |
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const byte * const *includes; |
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byte *bufp, *bufe; |
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int tmp; |
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// these 3 may be used by compressor/decompressors. |
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byte *buf; // pointer and size to read/write, initialized by init |
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uint bufsize; |
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FILE *fh; |
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void (*excpt_uninit)(); |
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const char *excpt_msg; |
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jmp_buf excpt; // used to jump to "exception handler" |
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} SaverLoader; |
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extern SaverLoader _sl; |
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enum { |
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REF_SCHEDULE = 0, |
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REF_VEHICLE = 1, |
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REF_STATION = 2, |
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REF_TOWN = 3, |
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}; |
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enum { |
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INC_VEHICLE_COMMON = 0, |
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}; |
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enum { |
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CH_RIFF = 0, |
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CH_ARRAY = 1, |
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CH_SPARSE_ARRAY = 2, |
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CH_TYPE_MASK = 3, |
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CH_LAST = 8, |
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CH_AUTO_LENGTH = 16, |
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CH_PRI_0 = 0 << 4, |
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CH_PRI_1 = 1 << 4, |
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CH_PRI_2 = 2 << 4, |
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CH_PRI_3 = 3 << 4, |
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CH_PRI_SHL = 4, |
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CH_NUM_PRI_LEVELS = 4, |
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}; |
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enum { |
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SLE_FILE_I8 = 0, |
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SLE_FILE_U8 = 1, |
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SLE_FILE_I16 = 2, |
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SLE_FILE_U16 = 3, |
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SLE_FILE_I32 = 4, |
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SLE_FILE_U32 = 5, |
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SLE_FILE_I64 = 6, |
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SLE_FILE_U64 = 7, |
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SLE_FILE_STRINGID = 8, |
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// SLE_FILE_IVAR = 8, |
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// SLE_FILE_UVAR = 9, |
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SLE_VAR_I8 = 0 << 4, |
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SLE_VAR_U8 = 1 << 4, |
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SLE_VAR_I16 = 2 << 4, |
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SLE_VAR_U16 = 3 << 4, |
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SLE_VAR_I32 = 4 << 4, |
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SLE_VAR_U32 = 5 << 4, |
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SLE_VAR_I64 = 6 << 4, |
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SLE_VAR_U64 = 7 << 4, |
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SLE_VAR_NULL = 8 << 4, // useful to write zeros in savegame. |
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SLE_VAR_INT = SLE_VAR_I32, |
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SLE_VAR_UINT = SLE_VAR_U32, |
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SLE_INT8 = SLE_FILE_I8 | SLE_VAR_I8, |
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SLE_UINT8 = SLE_FILE_U8 | SLE_VAR_U8, |
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SLE_INT16 = SLE_FILE_I16 | SLE_VAR_I16, |
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SLE_UINT16 = SLE_FILE_U16 | SLE_VAR_U16, |
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SLE_INT32 = SLE_FILE_I32 | SLE_VAR_I32, |
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SLE_UINT32 = SLE_FILE_U32 | SLE_VAR_U32, |
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SLE_INT64 = SLE_FILE_I64 | SLE_VAR_I64, |
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SLE_UINT64 = SLE_FILE_U64 | SLE_VAR_U64, |
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SLE_STRINGID = SLE_FILE_STRINGID | SLE_VAR_U16, |
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}; |
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#define SLE_VAR(t,i,c) 0 | (offsetof(t,i) & 0xF), offsetof(t,i) >> 4, c |
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#if _MSC_VER == 1200 /* XXX workaround for MSVC6 */ |
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#define SLE_VAR2(t0,i0, t1, i1, c) 0 | ((offsetof(t0, i0) + offsetof(t1, i1)) & 0xF), (offsetof(t0, i0) + offsetof(t1, i1)) >> 4, c |
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#endif |
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#define SLE_REF(t,i,c) 0x10 | (offsetof(t,i) & 0xF), offsetof(t,i) >> 4, c |
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#define SLE_ARR(t,i,c,l) 0x20 | (offsetof(t,i) & 0xF), offsetof(t,i) >> 4, c, l |
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#define SLE_CONDVAR(t,i,c,from,to) 0x40 | (offsetof(t,i) & 0xF), offsetof(t,i) >> 4, c, from, to |
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#define SLE_CONDREF(t,i,c,from,to) 0x50 | (offsetof(t,i) & 0xF), offsetof(t,i) >> 4, c, from, to |
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#define SLE_CONDARR(t,i,c,l,from,to) 0x60 | (offsetof(t,i) & 0xF), offsetof(t,i) >> 4, c, from,to, l |
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#define SLE_WRITEBYTE(t,i,b,c) 0x80 | (offsetof(t,i) & 0xF), offsetof(t,i) >> 4, b, c |
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#define SLE_INCLUDE(t,i,c) 0x90 | (offsetof(t,i) & 0xF), offsetof(t,i) >> 4, c |
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#define SLE_VARX(t,c) 0x00 | ((t) & 0xF), (t) >> 4, c |
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#define SLE_REFX(t,c) 0x10 | ((t) & 0xF), (t) >> 4, c |
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#define SLE_CONDVARX(t,c,from,to) 0x40 | ((t) & 0xF), (t) >> 4, c, from, to |
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#define SLE_CONDREFX(t,c,co) 0x50 | ((t) & 0xF), (t) >> 4, c, co |
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#define SLE_WRITEBYTEX(t,b) 0x80 | ((t) & 0xF), (t) >> 4, b |
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#define SLE_INCLUDEX(t,c) 0x90 | ((t) & 0xF), (t) >> 4, c |
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#define SLE_END() 0xF0 |
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void SlSetArrayIndex(uint index); |
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int SlIterateArray(); |
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void SlArray(void *array, uint length, uint conv); |
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void SlObject(void *object, const void *desc); |
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void SlAutolength(AutolengthProc *proc, void *arg); |
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uint SlGetFieldLength(); |
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int SlReadByte(); |
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void SlSetLength(uint length); |
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void SlWriteByte(byte v); |
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void SlGlobList(const SaveLoadGlobVarList *desc); |
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//int GetSavegameType(char *file); |
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#endif /* SAVELOAD_H */ |