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
|
/*
* $Id$
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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) 2004 Blender Foundation.
* All rights reserved.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef DEPSGRAPH_API
#define DEPSGRAPH_API
/** \file BKE_depsgraph.h
* \ingroup bke
*/
#ifdef __cplusplus
extern "C" {
#endif
/*
#define DEPS_DEBUG
*/
struct ID;
struct Main;
struct Scene;
struct DagNodeQueue;
struct DagForest;
struct DagNode;
struct GHash;
/* **** DAG relation types *** */
/* scene link to object */
#define DAG_RL_SCENE 1
/* object link to data */
#define DAG_RL_DATA 2
/* object changes object (parent, track, constraints) */
#define DAG_RL_OB_OB 4
/* object changes obdata (hooks, constraints) */
#define DAG_RL_OB_DATA 8
/* data changes object (vertex parent) */
#define DAG_RL_DATA_OB 16
/* data changes data (deformers) */
#define DAG_RL_DATA_DATA 32
#define DAG_NO_RELATION 64
#define DAG_RL_ALL 63
#define DAG_RL_ALL_BUT_DATA 61
typedef void (*graph_action_func)(void * ob, void **data);
// queues are returned by all BFS & DFS queries
// opaque type
void *pop_ob_queue(struct DagNodeQueue *queue);
int queue_count(struct DagNodeQueue *queue);
void queue_delete(struct DagNodeQueue *queue);
// queries
struct DagForest *build_dag(struct Main *bmain, struct Scene *sce, short mask);
void free_forest(struct DagForest *Dag);
// note :
// the meanings of the 2 returning values is a bit different :
// BFS return 1 for cross-edges and back-edges. the latter are considered harmfull, not the former
// DFS return 1 only for back-edges
int pre_and_post_BFS(struct DagForest *dag, short mask, graph_action_func pre_func, graph_action_func post_func, void **data);
int pre_and_post_DFS(struct DagForest *dag, short mask, graph_action_func pre_func, graph_action_func post_func, void **data);
int pre_and_post_source_BFS(struct DagForest *dag, short mask, struct DagNode *source, graph_action_func pre_func, graph_action_func post_func, void **data);
int pre_and_post_source_DFS(struct DagForest *dag, short mask, struct DagNode *source, graph_action_func pre_func, graph_action_func post_func, void **data);
struct DagNodeQueue *get_obparents(struct DagForest *dag, void *ob);
struct DagNodeQueue *get_first_ancestors(struct DagForest *dag, void *ob);
struct DagNodeQueue *get_all_childs(struct DagForest *dag, void *ob); //
short are_obs_related(struct DagForest *dag, void *ob1, void *ob2);
int is_acyclic(struct DagForest *dag); //
//int get_cycles(struct DagForest *dag, struct DagNodeQueue **queues, int *count); //
void boundbox_deps(void);
void draw_all_deps(void);
/* ********** API *************** */
/* Note that the DAG never executes changes in Objects, only sets flags in Objects */
/* (re)-create dependency graph for scene */
void DAG_scene_sort(struct Main *bmain, struct Scene *sce);
/* flag all objects that need recalc because they're animated */
void DAG_scene_update_flags(struct Main *bmain, struct Scene *sce, unsigned int lay, const short do_time);
/* flushes all recalc flags in objects down the dependency tree */
void DAG_scene_flush_update(struct Main *bmain, struct Scene *sce, unsigned int lay, const short do_time);
/* tag objects for update on file load */
void DAG_on_visible_update(struct Main *bmain, const short do_time);
/* when setting manual RECALC flags, call this afterwards */
void DAG_ids_flush_update(struct Main *bmain, int time);
/* tag datablock to get updated for the next redraw */
void DAG_id_tag_update(struct ID *id, short flag);
/* flush all tagged updates */
void DAG_ids_flush_tagged(struct Main *bmain);
/* (re)-create dependency graph for armature pose */
void DAG_pose_sort(struct Object *ob);
/* callback for editors module to do updates */
void DAG_editors_update_cb(void (*func)(struct Main *bmain, struct ID *id));
#ifdef __cplusplus
}
#endif
#endif
|
