165 lines
6.5 KiB
C
165 lines
6.5 KiB
C
/*
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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) 2013 Blender Foundation
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* All rights reserved.
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*/
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/** \file
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* \ingroup bke
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* \brief API for Blender-side Rigid Body stuff
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*/
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#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct RigidBodyOb;
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struct RigidBodyWorld;
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struct Collection;
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struct Depsgraph;
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struct Main;
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struct Object;
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struct ReportList;
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struct Scene;
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/* -------------- */
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/* Memory Management */
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void BKE_rigidbody_free_world(struct Scene *scene);
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void BKE_rigidbody_free_object(struct Object *ob, struct RigidBodyWorld *rbw);
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void BKE_rigidbody_free_constraint(struct Object *ob);
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/* ...... */
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void BKE_rigidbody_object_copy(struct Main *bmain,
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struct Object *ob_dst,
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const struct Object *ob_src,
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const int flag);
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/* Callback format for performing operations on ID-pointers for rigidbody world. */
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typedef void (*RigidbodyWorldIDFunc)(struct RigidBodyWorld *rbw,
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struct ID **idpoin,
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void *userdata,
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int cb_flag);
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void BKE_rigidbody_world_id_loop(struct RigidBodyWorld *rbw,
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RigidbodyWorldIDFunc func,
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void *userdata);
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/* -------------- */
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/* Setup */
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/* create Blender-side settings data - physics objects not initialized yet */
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struct RigidBodyWorld *BKE_rigidbody_create_world(struct Scene *scene);
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struct RigidBodyOb *BKE_rigidbody_create_object(struct Scene *scene,
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struct Object *ob,
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short type);
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struct RigidBodyCon *BKE_rigidbody_create_constraint(struct Scene *scene,
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struct Object *ob,
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short type);
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/* Ensure newly set collections' objects all have required data. */
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void BKE_rigidbody_objects_collection_validate(struct Scene *scene, struct RigidBodyWorld *rbw);
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void BKE_rigidbody_constraints_collection_validate(struct Scene *scene,
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struct RigidBodyWorld *rbw);
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/* Ensure object added to collection gets RB data if that collection is a RB one. */
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void BKE_rigidbody_main_collection_object_add(struct Main *bmain,
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struct Collection *collection,
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struct Object *object);
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/* copy */
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struct RigidBodyWorld *BKE_rigidbody_world_copy(struct RigidBodyWorld *rbw, const int flag);
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void BKE_rigidbody_world_groups_relink(struct RigidBodyWorld *rbw);
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/* 'validate' (i.e. make new or replace old) Physics-Engine objects */
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void BKE_rigidbody_validate_sim_world(struct Scene *scene,
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struct RigidBodyWorld *rbw,
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bool rebuild);
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void BKE_rigidbody_calc_volume(struct Object *ob, float *r_vol);
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void BKE_rigidbody_calc_center_of_mass(struct Object *ob, float r_center[3]);
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/* -------------- */
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/* Utilities */
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struct RigidBodyWorld *BKE_rigidbody_get_world(struct Scene *scene);
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bool BKE_rigidbody_add_object(struct Main *bmain,
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struct Scene *scene,
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struct Object *ob,
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int type,
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struct ReportList *reports);
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void BKE_rigidbody_ensure_local_object(struct Main *bmain, struct Object *ob);
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void BKE_rigidbody_remove_object(struct Main *bmain,
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struct Scene *scene,
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struct Object *ob,
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const bool free_us);
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void BKE_rigidbody_remove_constraint(struct Main *bmain,
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struct Scene *scene,
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struct Object *ob,
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const bool free_us);
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/* -------------- */
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/* Utility Macros */
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/* get mass of Rigid Body Object to supply to RigidBody simulators */
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#define RBO_GET_MASS(rbo) \
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(((rbo) && (((rbo)->type == RBO_TYPE_PASSIVE) || ((rbo)->flag & RBO_FLAG_KINEMATIC) || \
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((rbo)->flag & RBO_FLAG_DISABLED))) ? \
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(0.0f) : \
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((rbo)->mass))
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/* Get collision margin for Rigid Body Object, triangle mesh and cone shapes cannot embed margin,
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* convex hull always uses custom margin. */
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#define RBO_GET_MARGIN(rbo) \
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(((rbo)->flag & RBO_FLAG_USE_MARGIN || (rbo)->shape == RB_SHAPE_CONVEXH || \
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(rbo)->shape == RB_SHAPE_TRIMESH || (rbo)->shape == RB_SHAPE_CONE) ? \
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((rbo)->margin) : \
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(0.04f))
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/* -------------- */
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/* Simulation */
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void BKE_rigidbody_aftertrans_update(struct Object *ob,
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float loc[3],
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float rot[3],
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float quat[4],
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float rotAxis[3],
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float rotAngle);
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void BKE_rigidbody_sync_transforms(struct RigidBodyWorld *rbw, struct Object *ob, float ctime);
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bool BKE_rigidbody_check_sim_running(struct RigidBodyWorld *rbw, float ctime);
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bool BKE_rigidbody_is_affected_by_simulation(struct Object *ob);
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void BKE_rigidbody_cache_reset(struct RigidBodyWorld *rbw);
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void BKE_rigidbody_rebuild_world(struct Depsgraph *depsgraph, struct Scene *scene, float ctime);
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void BKE_rigidbody_do_simulation(struct Depsgraph *depsgraph, struct Scene *scene, float ctime);
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/* -------------------- */
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/* Depsgraph evaluation */
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void BKE_rigidbody_rebuild_sim(struct Depsgraph *depsgraph, struct Scene *scene);
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void BKE_rigidbody_eval_simulation(struct Depsgraph *depsgraph, struct Scene *scene);
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void BKE_rigidbody_object_sync_transforms(struct Depsgraph *depsgraph,
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struct Scene *scene,
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struct Object *ob);
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#ifdef __cplusplus
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}
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#endif
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