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/*
* 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 Depsgraph;
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;
char is_sync_select_dirty;
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__ */
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