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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
|
/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*/
#ifndef __BKE_MAIN_H__
#define __BKE_MAIN_H__
/** \file
* \ingroup bke
* \section aboutmain Main struct
* Main is the root of the 'database' of a Blender context. All data
* is stuffed into lists, and all these lists are knotted to here. A
* Blender file is not much more but a binary dump of these
* lists. This list of lists is not serialized itself.
*
* Oops... this should be a _types.h file.
*/
#include "DNA_listBase.h"
#include "BLI_compiler_attrs.h"
#include "BLI_sys_types.h"
#ifdef __cplusplus
extern "C" {
#endif
struct BLI_mempool;
struct BlendThumbnail;
struct GHash;
struct GSet;
struct ImBuf;
struct Library;
struct MainLock;
/* Blender thumbnail, as written on file (width, height, and data as char RGBA). */
/* We pack pixel data after that struct. */
typedef struct BlendThumbnail {
int width, height;
char rect[0];
} BlendThumbnail;
/* Structs caching relations between data-blocks in a given Main. */
typedef struct MainIDRelationsEntry {
struct MainIDRelationsEntry *next;
/* WARNING! for user_to_used,
* that pointer is really an ID** one, but for used_to_user, it’s only an ID* one! */
struct ID **id_pointer;
int usage_flag; /* Using IDWALK_ enums, in BKE_library_query.h */
} MainIDRelationsEntry;
typedef struct MainIDRelations {
struct GHash *id_user_to_used;
struct GHash *id_used_to_user;
/* Private... */
struct BLI_mempool *entry_pool;
} MainIDRelations;
typedef struct Main {
struct Main *next, *prev;
char name[1024]; /* 1024 = FILE_MAX */
short versionfile, subversionfile; /* see BLENDER_VERSION, BLENDER_SUBVERSION */
short minversionfile, minsubversionfile;
uint64_t build_commit_timestamp; /* commit's timestamp from buildinfo */
char build_hash[16]; /* hash from buildinfo */
char recovered; /* indicate the main->name (file) is the recovered one */
/** All current ID's exist in the last memfile undo step. */
char is_memfile_undo_written;
/**
* An ID needs it's data to be flushed back.
* use "needs_flush_to_id" in edit data to flag data which needs updating.
*/
char is_memfile_undo_flush_needed;
BlendThumbnail *blen_thumb;
struct Library *curlib;
ListBase scenes;
ListBase libraries;
ListBase objects;
ListBase meshes;
ListBase curves;
ListBase metaballs;
ListBase materials;
ListBase textures;
ListBase images;
ListBase lattices;
ListBase lights;
ListBase cameras;
ListBase ipo; /* Deprecated (only for versioning). */
ListBase shapekeys;
ListBase worlds;
ListBase screens;
ListBase fonts;
ListBase texts;
ListBase speakers;
ListBase lightprobes;
ListBase sounds;
ListBase collections;
ListBase armatures;
ListBase actions;
ListBase nodetrees;
ListBase brushes;
ListBase particles;
ListBase palettes;
ListBase paintcurves;
ListBase wm; /* Singleton (exception). */
ListBase gpencils;
ListBase movieclips;
ListBase masks;
ListBase linestyles;
ListBase cachefiles;
ListBase workspaces;
/**
* Must be generated, used and freed by same code - never assume this is valid data unless you
* know when, who and how it was created.
* Used by code doing a lot of remapping etc. at once to speed things up.
*/
struct MainIDRelations *relations;
struct MainLock *lock;
} Main;
struct Main *BKE_main_new(void);
void BKE_main_free(struct Main *mainvar);
void BKE_main_lock(struct Main *bmain);
void BKE_main_unlock(struct Main *bmain);
void BKE_main_relations_create(struct Main *bmain);
void BKE_main_relations_free(struct Main *bmain);
struct GSet *BKE_main_gset_create(struct Main *bmain, struct GSet *gset);
/* *** Generic utils to loop over whole Main database. *** */
#define FOREACH_MAIN_LISTBASE_ID_BEGIN(_lb, _id) \
{ \
ID *_id_next = _lb->first; \
for (_id = _id_next; _id != NULL; _id = _id_next) { \
_id_next = _id->next;
#define FOREACH_MAIN_LISTBASE_ID_END \
} \
} \
((void)0)
#define FOREACH_MAIN_LISTBASE_BEGIN(_bmain, _lb) \
{ \
ListBase *_lbarray[MAX_LIBARRAY]; \
int _i = set_listbasepointers(_bmain, _lbarray); \
while (_i--) { \
_lb = _lbarray[_i];
#define FOREACH_MAIN_LISTBASE_END \
} \
} \
((void)0)
/**
* DO NOT use break statement with that macro,
* use #FOREACH_MAIN_LISTBASE and #FOREACH_MAIN_LISTBASE_ID instead
* if you need that kind of control flow. */
#define FOREACH_MAIN_ID_BEGIN(_bmain, _id) \
{ \
ListBase *_lb; \
FOREACH_MAIN_LISTBASE_BEGIN (_bmain, _lb) { \
FOREACH_MAIN_LISTBASE_ID_BEGIN (_lb, _id)
#define FOREACH_MAIN_ID_END \
FOREACH_MAIN_LISTBASE_ID_END; \
} \
FOREACH_MAIN_LISTBASE_END; \
} \
((void)0)
struct BlendThumbnail *BKE_main_thumbnail_from_imbuf(struct Main *bmain, struct ImBuf *img);
struct ImBuf *BKE_main_thumbnail_to_imbuf(struct Main *bmain, struct BlendThumbnail *data);
void BKE_main_thumbnail_create(struct Main *bmain);
const char *BKE_main_blendfile_path(const struct Main *bmain) ATTR_NONNULL();
const char *BKE_main_blendfile_path_from_global(void);
struct ListBase *which_libbase(struct Main *mainlib, short type);
#define MAX_LIBARRAY 37
int set_listbasepointers(struct Main *main, struct ListBase *lb[MAX_LIBARRAY]);
#define MAIN_VERSION_ATLEAST(main, ver, subver) \
((main)->versionfile > (ver) || \
(main->versionfile == (ver) && (main)->subversionfile >= (subver)))
#define MAIN_VERSION_OLDER(main, ver, subver) \
((main)->versionfile < (ver) || \
(main->versionfile == (ver) && (main)->subversionfile < (subver)))
#define BLEN_THUMB_SIZE 128
#define BLEN_THUMB_MEMSIZE(_x, _y) \
(sizeof(BlendThumbnail) + ((size_t)(_x) * (size_t)(_y)) * sizeof(int))
/** Protect against buffer overflow vulnerability & negative sizes. */
#define BLEN_THUMB_MEMSIZE_IS_VALID(_x, _y) \
(((_x) > 0 && (_y) > 0) && ((uint64_t)(_x) * (uint64_t)(_y) < (SIZE_MAX / (sizeof(int) * 4))))
#ifdef __cplusplus
}
#endif
#endif /* __BKE_MAIN_H__ */
|
