truelight@0: #ifndef SAVELOAD_H
truelight@0: #define SAVELOAD_H
truelight@0: 
truelight@817: #include <setjmp.h>
truelight@817: 
truelight@0: typedef void ChunkSaveLoadProc();
truelight@0: typedef void AutolengthProc(void *arg);
truelight@0: 
truelight@0: typedef struct SaveLoadGlobVarList {
truelight@0: 	void *address;
truelight@0: 	byte conv;
truelight@0: 	byte from_version;
truelight@0: 	byte to_version;
truelight@0: } SaveLoadGlobVarList;
truelight@0: 
truelight@0: 
truelight@0: typedef struct {
truelight@0: 	uint32 id;
truelight@0: 	ChunkSaveLoadProc *save_proc;
truelight@0: 	ChunkSaveLoadProc *load_proc;
truelight@0: 	uint32 flags;
truelight@0: } ChunkHandler;
truelight@0: 
truelight@0: typedef struct {
truelight@0: 	byte null;
truelight@0: } NullStruct;
truelight@0: 
truelight@817: typedef void WriterProc(uint len);
truelight@817: typedef uint ReaderProc();
truelight@817: 
truelight@817: typedef uint ReferenceToIntProc(void *v, uint t);
truelight@817: typedef void *IntToReferenceProc(uint r, uint t);
truelight@817: 
truelight@817: typedef struct {
truelight@817: 	bool save;
truelight@817: 	byte need_length;
truelight@817: 	byte block_mode;
truelight@817: 	bool error;
truelight@817: 	byte version;
truelight@938: 	uint16 full_version;
truelight@817: 
truelight@817: 	int obj_len;
truelight@817: 	int array_index, last_array_index;
truelight@817: 
truelight@817: 	uint32 offs_base;
truelight@817: 
truelight@817: 	WriterProc *write_bytes;
truelight@817: 	ReaderProc *read_bytes;
truelight@817: 
truelight@817: 	ReferenceToIntProc *ref_to_int_proc;
truelight@817: 	IntToReferenceProc *int_to_ref_proc;
truelight@817: 
truelight@817: 	const ChunkHandler * const * chs;
truelight@817: 	const byte * const *includes;
truelight@817: 
truelight@817: 	byte *bufp, *bufe;
truelight@817: 
truelight@817: 	int tmp;
truelight@817: 
truelight@817: 	// these 3 may be used by compressor/decompressors.
truelight@817: 	byte *buf; // pointer and size to read/write, initialized by init
truelight@817: 	uint bufsize;
truelight@817: 	FILE *fh;
truelight@817: 
truelight@817: 	void (*excpt_uninit)();
truelight@817: 	const char *excpt_msg;
truelight@817: 	jmp_buf excpt; // used to jump to "exception handler"
truelight@817: } SaverLoader;
truelight@817: 
truelight@817: extern SaverLoader _sl;
truelight@817: 
truelight@0: enum {
truelight@0: 	REF_SCHEDULE = 0,
truelight@0: 	REF_VEHICLE = 1,
truelight@0: 	REF_STATION = 2,
truelight@0: 	REF_TOWN = 3,
truelight@938: 	REF_VEHICLE_OLD = 4,
truelight@0: };
truelight@0: 
truelight@0: 
truelight@0: enum {
truelight@0: 	INC_VEHICLE_COMMON = 0,
truelight@0: };
truelight@0: 
truelight@0: 
truelight@0: enum {
truelight@0: 	CH_RIFF = 0,
truelight@0: 	CH_ARRAY = 1,
truelight@0: 	CH_SPARSE_ARRAY = 2,
truelight@0: 	CH_TYPE_MASK = 3,
truelight@0: 	CH_LAST = 8,
truelight@0: 	CH_AUTO_LENGTH = 16,
truelight@0: 	CH_PRI_0 = 0 << 4,
truelight@0: 	CH_PRI_1 = 1 << 4,
truelight@0: 	CH_PRI_2 = 2 << 4,
truelight@0: 	CH_PRI_3 = 3 << 4,
truelight@0: 	CH_PRI_SHL = 4,
truelight@0: 	CH_NUM_PRI_LEVELS = 4,
truelight@0: };
truelight@0: 
truelight@0: enum {
truelight@0: 	SLE_FILE_I8 = 0,
truelight@0: 	SLE_FILE_U8 = 1,
truelight@0: 	SLE_FILE_I16 = 2,
truelight@0: 	SLE_FILE_U16 = 3,
truelight@0: 	SLE_FILE_I32 = 4,
truelight@0: 	SLE_FILE_U32 = 5,
truelight@0: 	SLE_FILE_I64 = 6,
truelight@0: 	SLE_FILE_U64 = 7,
truelight@0: 
truelight@0: 	SLE_FILE_STRINGID = 8,
truelight@0: //	SLE_FILE_IVAR = 8,
truelight@0: //	SLE_FILE_UVAR = 9,
truelight@0: 
truelight@0: 	SLE_VAR_I8 = 0 << 4,
truelight@0: 	SLE_VAR_U8 = 1 << 4,
truelight@0: 	SLE_VAR_I16 = 2 << 4,
truelight@0: 	SLE_VAR_U16 = 3 << 4,
truelight@0: 	SLE_VAR_I32 = 4 << 4,
truelight@0: 	SLE_VAR_U32 = 5 << 4,
truelight@0: 	SLE_VAR_I64 = 6 << 4,
truelight@0: 	SLE_VAR_U64 = 7 << 4,
truelight@0: 
truelight@0: 	SLE_VAR_NULL = 8 << 4, // useful to write zeros in savegame.
truelight@0: 
truelight@0: 	SLE_VAR_INT = SLE_VAR_I32,
truelight@0: 	SLE_VAR_UINT = SLE_VAR_U32,
truelight@0: 
truelight@0: 	SLE_INT8 = SLE_FILE_I8 | SLE_VAR_I8,
truelight@0: 	SLE_UINT8 = SLE_FILE_U8 | SLE_VAR_U8,
truelight@0: 	SLE_INT16 = SLE_FILE_I16 | SLE_VAR_I16,
truelight@0: 	SLE_UINT16 = SLE_FILE_U16 | SLE_VAR_U16,
truelight@0: 	SLE_INT32 = SLE_FILE_I32 | SLE_VAR_I32,
truelight@0: 	SLE_UINT32 = SLE_FILE_U32 | SLE_VAR_U32,
truelight@0: 	SLE_INT64 = SLE_FILE_I64 | SLE_VAR_I64,
truelight@0: 	SLE_UINT64 = SLE_FILE_U64 | SLE_VAR_U64,
truelight@0: 
truelight@0: 	SLE_STRINGID = SLE_FILE_STRINGID | SLE_VAR_U16,
truelight@0: };
truelight@0: 
truelight@0: #define SLE_VAR(t,i,c) 0 | (offsetof(t,i) & 0xF), offsetof(t,i) >> 4, c
darkvater@557: #if _MSC_VER == 1200 /* XXX workaround for MSVC6 */
darkvater@556: #define SLE_VAR2(t0,i0, t1, i1, c) 0 | ((offsetof(t0, i0) + offsetof(t1, i1)) & 0xF), (offsetof(t0, i0) + offsetof(t1, i1)) >> 4, c
darkvater@556: #endif
truelight@0: #define SLE_REF(t,i,c) 0x10 | (offsetof(t,i) & 0xF), offsetof(t,i) >> 4, c
truelight@0: #define SLE_ARR(t,i,c,l) 0x20 | (offsetof(t,i) & 0xF), offsetof(t,i) >> 4, c, l
truelight@0: #define SLE_CONDVAR(t,i,c,from,to) 0x40 | (offsetof(t,i) & 0xF), offsetof(t,i) >> 4, c, from, to
truelight@0: #define SLE_CONDREF(t,i,c,from,to) 0x50 | (offsetof(t,i) & 0xF), offsetof(t,i) >> 4, c, from, to
truelight@0: #define SLE_CONDARR(t,i,c,l,from,to) 0x60 | (offsetof(t,i) & 0xF), offsetof(t,i) >> 4, c, from,to, l
truelight@0: #define SLE_WRITEBYTE(t,i,b,c) 0x80 | (offsetof(t,i) & 0xF), offsetof(t,i) >> 4, b, c
truelight@0: #define SLE_INCLUDE(t,i,c) 0x90 | (offsetof(t,i) & 0xF), offsetof(t,i) >> 4, c
truelight@0: 
truelight@0: 
truelight@0: #define SLE_VARX(t,c) 0x00 | ((t) & 0xF), (t) >> 4, c
truelight@0: #define SLE_REFX(t,c) 0x10 | ((t) & 0xF), (t) >> 4, c
truelight@0: #define SLE_CONDVARX(t,c,from,to) 0x40 | ((t) & 0xF), (t) >> 4, c, from, to
truelight@0: #define SLE_CONDREFX(t,c,co) 0x50 | ((t) & 0xF), (t) >> 4, c, co
truelight@0: #define SLE_WRITEBYTEX(t,b) 0x80 | ((t) & 0xF), (t) >> 4, b
truelight@0: #define SLE_INCLUDEX(t,c) 0x90 | ((t) & 0xF), (t) >> 4, c
truelight@0: 
truelight@0: #define SLE_END() 0xF0
truelight@0: 
truelight@0: 
truelight@0: void SlSetArrayIndex(uint index);
truelight@0: int SlIterateArray();
truelight@0: void SlArray(void *array, uint length, uint conv);
truelight@0: void SlObject(void *object, const void *desc);
truelight@0: void SlAutolength(AutolengthProc *proc, void *arg);
truelight@0: uint SlGetFieldLength();
truelight@0: int SlReadByte();
truelight@0: void SlSetLength(uint length);
truelight@0: void SlWriteByte(byte v);
truelight@0: void SlGlobList(const SaveLoadGlobVarList *desc);
truelight@0: 
truelight@0: //int GetSavegameType(char *file);
truelight@0: 
truelight@0: #endif /* SAVELOAD_H */