#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 */