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/*
* ***** 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) 2013 Blender Foundation
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): Joshua Leung, Sergej Reich
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file BKE_rigidbody.h
* \ingroup blenkernel
* \brief API for Blender-side Rigid Body stuff
*/
#ifndef __BKE_RIGIDBODY_H__
#define __BKE_RIGIDBODY_H__
struct RigidBodyWorld;
struct RigidBodyOb;
struct Scene;
struct Object;
struct Group;
/* -------------- */
/* Memory Management */
void BKE_rigidbody_free_world(struct RigidBodyWorld *rbw);
void BKE_rigidbody_free_object(struct Object *ob);
void BKE_rigidbody_free_constraint(struct Object *ob);
/* ...... */
struct RigidBodyOb *BKE_rigidbody_copy_object(struct Object *ob);
struct RigidBodyCon *BKE_rigidbody_copy_constraint(struct Object *ob);
void BKE_rigidbody_relink_constraint(struct RigidBodyCon *rbc);
/* -------------- */
/* Setup */
/* create Blender-side settings data - physics objects not initialised yet */
struct RigidBodyWorld *BKE_rigidbody_create_world(struct Scene *scene);
struct RigidBodyOb *BKE_rigidbody_create_object(struct Scene *scene, struct Object *ob, short type);
struct RigidBodyCon *BKE_rigidbody_create_constraint(struct Scene *scene, struct Object *ob, short type);
/* copy */
struct RigidBodyWorld *BKE_rigidbody_world_copy(struct RigidBodyWorld *rbw);
void BKE_rigidbody_world_groups_relink(struct RigidBodyWorld *rbw);
/* 'validate' (i.e. make new or replace old) Physics-Engine objects */
void BKE_rigidbody_validate_sim_world(struct Scene *scene, struct RigidBodyWorld *rbw, bool rebuild);
/* -------------- */
/* Utilities */
struct RigidBodyWorld *BKE_rigidbody_get_world(struct Scene *scene);
void BKE_rigidbody_remove_object(struct Scene *scene, struct Object *ob);
void BKE_rigidbody_remove_constraint(struct Scene *scene, struct Object *ob);
/* -------------- */
/* Utility Macros */
/* get mass of Rigid Body Object to supply to RigidBody simulators */
#define RBO_GET_MASS(rbo) \
((rbo && ((rbo->type == RBO_TYPE_PASSIVE) || (rbo->flag & RBO_FLAG_KINEMATIC) || (rbo->flag & RBO_FLAG_DISABLED))) ? (0.0f) : (rbo->mass))
/* get collision margin for Rigid Body Object, triangle mesh and cone shapes cannot embed margin, convex hull always uses custom margin */
#define RBO_GET_MARGIN(rbo) \
((rbo->flag & RBO_FLAG_USE_MARGIN || rbo->shape == RB_SHAPE_CONVEXH || rbo->shape == RB_SHAPE_TRIMESH || rbo->shape == RB_SHAPE_CONE) ? (rbo->margin) : (0.04f))
/* -------------- */
/* Simulation */
void BKE_rigidbody_aftertrans_update(struct Object *ob, float loc[3], float rot[3], float quat[4], float rotAxis[3], float rotAngle);
void BKE_rigidbody_sync_transforms(struct RigidBodyWorld *rbw, struct Object *ob, float ctime);
bool BKE_rigidbody_check_sim_running(struct RigidBodyWorld *rbw, float ctime);
void BKE_rigidbody_cache_reset(struct RigidBodyWorld *rbw);
void BKE_rigidbody_rebuild_world(struct Scene *scene, float ctime);
void BKE_rigidbody_do_simulation(struct Scene *scene, float ctime);
#endif /* __BKE_RIGIDBODY_H__ */
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