125 lines
4.5 KiB
C++
125 lines
4.5 KiB
C++
/**
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* $Id$
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*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2004 Blender Foundation.
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* All rights reserved.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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#ifndef DEPSGRAPH_API
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#define DEPSGRAPH_API
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/*
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#define DEPS_DEBUG
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*/
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struct ID;
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struct Main;
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struct Scene;
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struct DagNodeQueue;
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struct DagForest;
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struct DagNode;
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struct GHash;
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/* **** DAG relation types *** */
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/* scene link to object */
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#define DAG_RL_SCENE 1
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/* object link to data */
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#define DAG_RL_DATA 2
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/* object changes object (parent, track, constraints) */
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#define DAG_RL_OB_OB 4
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/* object changes obdata (hooks, constraints) */
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#define DAG_RL_OB_DATA 8
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/* data changes object (vertex parent) */
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#define DAG_RL_DATA_OB 16
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/* data changes data (deformers) */
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#define DAG_RL_DATA_DATA 32
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#define DAG_NO_RELATION 64
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#define DAG_RL_ALL 63
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#define DAG_RL_ALL_BUT_DATA 61
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typedef void (*graph_action_func)(void * ob, void **data);
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// queues are returned by all BFS & DFS queries
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// opaque type
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void *pop_ob_queue(struct DagNodeQueue *queue);
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int queue_count(struct DagNodeQueue *queue);
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void queue_delete(struct DagNodeQueue *queue);
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// queries
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struct DagForest *build_dag(struct Main *bmain, struct Scene *sce, short mask);
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void free_forest(struct DagForest *Dag);
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// note :
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// the meanings of the 2 returning values is a bit different :
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// BFS return 1 for cross-edges and back-edges. the latter are considered harmfull, not the former
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// DFS return 1 only for back-edges
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int pre_and_post_BFS(struct DagForest *dag, short mask, graph_action_func pre_func, graph_action_func post_func, void **data);
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int pre_and_post_DFS(struct DagForest *dag, short mask, graph_action_func pre_func, graph_action_func post_func, void **data);
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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);
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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);
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struct DagNodeQueue *get_obparents(struct DagForest *dag, void *ob);
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struct DagNodeQueue *get_first_ancestors(struct DagForest *dag, void *ob);
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struct DagNodeQueue *get_all_childs(struct DagForest *dag, void *ob); //
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short are_obs_related(struct DagForest *dag, void *ob1, void *ob2);
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int is_acyclic(struct DagForest *dag); //
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//int get_cycles(struct DagForest *dag, struct DagNodeQueue **queues, int *count); //
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void boundbox_deps(void);
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void draw_all_deps(void);
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/* ********** API *************** */
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/* Note that the DAG never executes changes in Objects, only sets flags in Objects */
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/* (re)-create dependency graph for scene */
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void DAG_scene_sort(struct Main *bmain, struct Scene *sce);
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/* flag all objects that need recalc because they're animated */
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void DAG_scene_update_flags(struct Main *bmain, struct Scene *sce, unsigned int lay);
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/* flushes all recalc flags in objects down the dependency tree */
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void DAG_scene_flush_update(struct Main *bmain, struct Scene *sce, unsigned int lay, int time);
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/* tag objects for update on file load */
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void DAG_on_load_update(struct Main *bmain);
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/* flag all IDs that need recalc because they're animated, influencing
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this ID only. only for objects currently */
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void DAG_id_update_flags(struct ID *id);
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/* flushes all recalc flags for this object down the dependency tree,
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but note the DAG only supports objects and object data currently */
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void DAG_id_flush_update(struct ID *id, short flag);
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/* when setting manual RECALC flags, call this afterwards */
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void DAG_ids_flush_update(struct Main *bmain, int time);
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/* (re)-create dependency graph for armature pose */
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void DAG_pose_sort(struct Object *ob);
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/* callback for editors module to do updates */
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void DAG_editors_update_cb(void (*func)(struct Main *bmain, struct ID *id));
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#endif
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