summaryrefslogtreecommitdiff
path: root/saveload.h
blob: 4bacf895e011ed864e29f8ffa36fc6566ee9679b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
#ifndef SAVELOAD_H
#define SAVELOAD_H

typedef void ChunkSaveLoadProc();
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;

enum {
	REF_SCHEDULE = 0,
	REF_VEHICLE = 1,
	REF_STATION = 2,
	REF_TOWN = 3,
};


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
#if _MSC_VER == 1200 /* XXX workaround for MSVC6 */
#define SLE_VAR2(t0,i0, t1, i1, c) 0 | ((offsetof(t0, i0) + offsetof(t1, i1)) & 0xF), (offsetof(t0, i0) + offsetof(t1, i1)) >> 4, c
#endif
#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,co) 0x50 | ((t) & 0xF), (t) >> 4, c, co
#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 SlArray(void *array, uint length, uint conv);
void SlObject(void *object, const void *desc);
void SlAutolength(AutolengthProc *proc, void *arg);
uint SlGetFieldLength();
int SlReadByte();
void SlSetLength(uint length);
void SlWriteByte(byte v);
void SlGlobList(const SaveLoadGlobVarList *desc);

//int GetSavegameType(char *file);

#endif /* SAVELOAD_H */