rigidbody.cc File Reference

Blender-side interface and methods for dealing with Rigid Body simulations. More...

#include <algorithm>
#include <cfloat>
#include <cmath>
#include <cstdio>
#include <cstring>
#include "CLG_log.h"
#include "MEM_guardedalloc.h"
#include "BLI_listbase.h"
#include "BLI_math_matrix.h"
#include "BLI_math_rotation.h"
#include "BLI_math_vector.h"
#include "BLI_mutex.hh"
#include "DNA_ID.h"
#include "DNA_collection_types.h"
#include "DNA_mesh_types.h"
#include "DNA_object_force_types.h"
#include "DNA_object_types.h"
#include "DNA_rigidbody_types.h"
#include "DNA_scene_types.h"
#include "BKE_collection.hh"
#include "BKE_effect.h"
#include "BKE_global.hh"
#include "BKE_layer.hh"
#include "BKE_lib_id.hh"
#include "BKE_lib_query.hh"
#include "BKE_main.hh"
#include "BKE_mesh.hh"
#include "BKE_mesh_runtime.hh"
#include "BKE_object.hh"
#include "BKE_pointcache.h"
#include "BKE_report.hh"
#include "BKE_rigidbody.h"
#include "BKE_scene.hh"
#include "DEG_depsgraph.hh"
#include "DEG_depsgraph_query.hh"

Go to the source code of this file.

Classes
struct	RigidBodyWorld_Runtime

Functions
static void	RB_dworld_remove_constraint (void *, void *)
static void	RB_dworld_remove_body (void *, void *)
static void	RB_dworld_delete (void *)
static void	RB_body_delete (void *)
static void	RB_shape_delete (void *)
static void	RB_constraint_delete (void *)
void	BKE_rigidbody_world_init_runtime (RigidBodyWorld *rbw)
rbDynamicsWorld *	BKE_rigidbody_world_physics (RigidBodyWorld *rbw)
void	BKE_rigidbody_free_world (Scene *scene)
void	BKE_rigidbody_free_object (Object *ob, RigidBodyWorld *rbw)
void	BKE_rigidbody_free_constraint (Object *ob)
bool	BKE_rigidbody_is_affected_by_simulation (Object *ob)
void	BKE_rigidbody_validate_sim_world (Scene *scene, RigidBodyWorld *rbw, bool rebuild)
void	BKE_rigidbody_calc_volume (Object *ob, float *r_vol)
void	BKE_rigidbody_calc_center_of_mass (Object *ob, float r_center[3])
RigidBodyWorld *	BKE_rigidbody_create_world (Scene *scene)
RigidBodyWorld *	BKE_rigidbody_world_copy (RigidBodyWorld *rbw, const int flag)
void	BKE_rigidbody_world_groups_relink (RigidBodyWorld *rbw)
RigidBodyOb *	BKE_rigidbody_create_object (Scene *scene, Object *ob, short type)
RigidBodyCon *	BKE_rigidbody_create_constraint (Scene *scene, Object *ob, short type)
RigidBodyWorld *	BKE_rigidbody_get_world (Scene *scene)
void	BKE_rigidbody_ensure_local_object (Main *bmain, Object *ob)
bool	BKE_rigidbody_add_object (Main *bmain, Scene *scene, Object *ob, int type, ReportList *reports)
void	BKE_rigidbody_remove_object (Main *bmain, Scene *scene, Object *ob, const bool free_us)
void	BKE_rigidbody_remove_constraint (Main *bmain, Scene *scene, Object *ob, const bool free_us)
void	BKE_rigidbody_sync_transforms (RigidBodyWorld *rbw, Object *ob, float ctime)
void	BKE_rigidbody_aftertrans_update (Object *ob, float loc[3], float rot[3], float quat[4], float rotAxis[3], float rotAngle)
bool	BKE_rigidbody_check_sim_running (RigidBodyWorld *rbw, float ctime)
void	BKE_rigidbody_cache_reset (RigidBodyWorld *rbw)
void	BKE_rigidbody_rebuild_world (Depsgraph *depsgraph, Scene *scene, float ctime)
void	BKE_rigidbody_do_simulation (Depsgraph *depsgraph, Scene *scene, float ctime)
void	BKE_rigidbody_objects_collection_validate (Main *bmain, Scene *scene, RigidBodyWorld *rbw)
void	BKE_rigidbody_constraints_collection_validate (Scene *scene, RigidBodyWorld *rbw)
void	BKE_rigidbody_main_collection_object_add (Main *bmain, Collection *collection, Object *object)
void	BKE_rigidbody_rebuild_sim (Depsgraph *depsgraph, Scene *scene)
void	BKE_rigidbody_eval_simulation (Depsgraph *depsgraph, Scene *scene)
void	BKE_rigidbody_object_sync_transforms (Depsgraph *depsgraph, Scene *scene, Object *ob)
void	BKE_rigidbody_world_id_loop (RigidBodyWorld *rbw, RigidbodyWorldIDFunc func, void *userdata)
static RigidBodyOb *	rigidbody_copy_object (const Object *ob, const int flag)
static RigidBodyCon *	rigidbody_copy_constraint (const Object *ob, const int)
void	BKE_rigidbody_object_copy (Main *bmain, Object *ob_dst, const Object *ob_src, const int flag)

Detailed Description

Blender-side interface and methods for dealing with Rigid Body simulations.

Definition in file rigidbody.cc.

Function Documentation

BKE_rigidbody_add_object()

bool BKE_rigidbody_add_object	(	Main *	bmain,
		Scene *	scene,
		Object *	ob,
		int	type,
		ReportList *	reports )

Definition at line 2336 of file rigidbody.cc.

References BKE_report(), and RPT_ERROR.

Referenced by ED_rigidbody_object_add().

BKE_rigidbody_aftertrans_update()

void BKE_rigidbody_aftertrans_update	(	struct Object *	ob,
		float	loc[3],
		float	rot[3],
		float	quat[4],
		float	rotAxis[3],
		float	rotAngle )

Used when canceling transforms - return rigidbody and object to initial states.

Definition at line 2345 of file rigidbody.cc.

References rot.

Referenced by blender::ed::transform::special_aftertrans_update__object().

BKE_rigidbody_cache_reset()

void BKE_rigidbody_cache_reset

(

RigidBodyWorld *

rbw

)

Definition at line 2353 of file rigidbody.cc.

Referenced by BKE_rigidbody_object_copy().

BKE_rigidbody_calc_center_of_mass()

void BKE_rigidbody_calc_center_of_mass	(	Object *	ob,
		float	r_center[3] )

Definition at line 2308 of file rigidbody.cc.

References zero_v3().

BKE_rigidbody_calc_volume()

void BKE_rigidbody_calc_volume	(	struct Object *	ob,
		float *	r_vol )

Helper function to calculate volume of rigid-body object.

TODO: allow a parameter to specify method used to calculate this?

Definition at line 2302 of file rigidbody.cc.

Referenced by rigidbody_objects_calc_mass_exec().

BKE_rigidbody_check_sim_running()

bool BKE_rigidbody_check_sim_running	(	RigidBodyWorld *	rbw,
		float	ctime )

Definition at line 2349 of file rigidbody.cc.

Referenced by blender::ed::transform::ObjectToTransData(), and blender::ed::transform::special_aftertrans_update__object().

BKE_rigidbody_constraints_collection_validate()

void BKE_rigidbody_constraints_collection_validate	(	Scene *	scene,
		RigidBodyWorld *	rbw )

Definition at line 2357 of file rigidbody.cc.

Referenced by do_versions_after_linking_280().

BKE_rigidbody_create_constraint()

RigidBodyCon * BKE_rigidbody_create_constraint	(	struct Scene *	scene,
		struct Object *	ob,
		short	type )

Add rigid body constraint to the specified object.

Definition at line 2325 of file rigidbody.cc.

Referenced by ED_rigidbody_constraint_add().

BKE_rigidbody_create_object()

RigidBodyOb * BKE_rigidbody_create_object	(	struct Scene *	scene,
		struct Object *	ob,
		short	type )

Add rigid body settings to the specified object.

Definition at line 2321 of file rigidbody.cc.

BKE_rigidbody_create_world()

RigidBodyWorld * BKE_rigidbody_create_world

(

struct Scene *

scene

)

Set up RigidBody world.

Create Blender-side settings data - physics objects not initialized yet.

Definition at line 2312 of file rigidbody.cc.

Referenced by rigidbody_world_add_exec().

BKE_rigidbody_do_simulation()

void BKE_rigidbody_do_simulation	(	struct Depsgraph *	depsgraph,
		struct Scene *	scene,
		float	ctime )

Run RigidBody simulation for the specified physics world.

Definition at line 2355 of file rigidbody.cc.

References depsgraph.

Referenced by BKE_rigidbody_eval_simulation().

BKE_rigidbody_ensure_local_object()

void BKE_rigidbody_ensure_local_object	(	Main *	bmain,
		Object *	ob )

Definition at line 2334 of file rigidbody.cc.

Referenced by BKE_library_make_local(), and loose_data_instantiate_object_rigidbody_postprocess().

BKE_rigidbody_eval_simulation()

void BKE_rigidbody_eval_simulation	(	Depsgraph *	depsgraph,
		Scene *	scene )

Definition at line 2381 of file rigidbody.cc.

References BKE_rigidbody_do_simulation(), BKE_scene_check_rigidbody_active(), DEG_debug_print_eval_time(), DEG_get_ctime(), depsgraph, Scene::id, and ID::name.

BKE_rigidbody_free_constraint()

void BKE_rigidbody_free_constraint

(

struct Object *

ob

)

Free rigid-body constraint and simulation instance.

Definition at line 215 of file rigidbody.cc.

References MEM_freeN(), RigidBodyCon::physics_constraint, RB_constraint_delete(), and Object::rigidbody_constraint.

Referenced by object_free_data().

BKE_rigidbody_free_object()

void BKE_rigidbody_free_object	(	struct Object *	ob,
		struct RigidBodyWorld *	rbw )

Free rigid-body settings and simulation instances.

Definition at line 164 of file rigidbody.cc.

References G_MAIN, Object::id, ID_TAG_COPIED_ON_EVAL, MEM_freeN(), RigidBodyOb_Shared::physics_object, RigidBodyOb_Shared::physics_shape, RigidBodyWorld_Runtime::physics_world, RB_body_delete(), RB_dworld_remove_body(), RB_shape_delete(), Object::rigidbody_object, RigidBodyWorld_Shared::runtime, RigidBodyOb::shared, RigidBodyWorld::shared, and ID::tag.

Referenced by BKE_rigidbody_free_world(), and object_free_data().

BKE_rigidbody_free_world()

void BKE_rigidbody_free_world

(

struct Scene *

scene

)

Free rigid-body world.

Definition at line 108 of file rigidbody.cc.

References BKE_ptcache_free_list(), BKE_rigidbody_free_object(), RigidBodyWorld::constraints, RigidBodyWorld::effector_weights, FOREACH_COLLECTION_OBJECT_RECURSIVE_BEGIN, FOREACH_COLLECTION_OBJECT_RECURSIVE_END, free(), RigidBodyWorld::group, Scene::id, ID_TAG_COPIED_ON_EVAL, MEM_freeN(), RigidBodyWorld::objects, RigidBodyCon::physics_constraint, RigidBodyWorld_Runtime::physics_world, RigidBodyWorld_Shared::pointcache, RigidBodyWorld_Shared::ptcaches, RB_dworld_remove_constraint(), Scene::rigidbody_world, RigidBodyWorld_Shared::runtime, RigidBodyWorld::shared, and ID::tag.

Referenced by rigidbody_world_remove_exec(), and scene_free_data().

BKE_rigidbody_get_world()

RigidBodyWorld * BKE_rigidbody_get_world

(

struct Scene *

scene

)

Get RigidBody world for the given scene, creating one if needed

Parameters

scene

Scene to find active Rigid Body world for.

Definition at line 2329 of file rigidbody.cc.

Referenced by ED_rigidbody_constraint_add(), and rigidbody_con_add_exec().

BKE_rigidbody_is_affected_by_simulation()

bool BKE_rigidbody_is_affected_by_simulation

(

Object *

ob

)

Definition at line 235 of file rigidbody.cc.

References RigidBodyOb::flag, Object::parent, RB_SHAPE_COMPOUND, RBO_FLAG_KINEMATIC, RBO_TYPE_PASSIVE, Object::rigidbody_object, RigidBodyOb::shape, and RigidBodyOb::type.

BKE_rigidbody_main_collection_object_add()

void BKE_rigidbody_main_collection_object_add	(	struct Main *	bmain,
		struct Collection *	collection,
		struct Object *	object )

Ensure object added to collection gets RB data if that collection is a RB one.

Definition at line 2358 of file rigidbody.cc.

Referenced by collection_object_add().

BKE_rigidbody_object_copy()

void BKE_rigidbody_object_copy	(	Main *	bmain,
		Object *	ob_dst,
		const Object *	ob_src,
		const int	flag )

Definition at line 2465 of file rigidbody.cc.

References BKE_collection_has_object(), BKE_collection_object_add(), BKE_rigidbody_cache_reset(), RigidBodyWorld::constraints, DEG_id_tag_update(), DEG_relations_tag_update(), flag, RigidBodyWorld::group, Collection::id, Object::id, ID_RECALC_SYNC_TO_EVAL, ID_RECALC_TRANSFORM, LIB_ID_COPY_RIGID_BODY_NO_COLLECTION_HANDLING, LIB_ID_CREATE_NO_DEG_TAG, LIB_ID_CREATE_NO_MAIN, LISTBASE_FOREACH, Object::rigidbody_constraint, rigidbody_copy_constraint(), rigidbody_copy_object(), Object::rigidbody_object, Scene::rigidbody_world, and Main::scenes.

BKE_rigidbody_object_sync_transforms()

void BKE_rigidbody_object_sync_transforms	(	Depsgraph *	depsgraph,
		Scene *	scene,
		Object *	ob )

Definition at line 2393 of file rigidbody.cc.

References BKE_rigidbody_sync_transforms(), DEG_debug_print_eval_time(), DEG_get_ctime(), depsgraph, Object::id, ID::name, and Scene::rigidbody_world.

BKE_rigidbody_objects_collection_validate()

void BKE_rigidbody_objects_collection_validate	(	struct Main *	bmain,
		struct Scene *	scene,
		struct RigidBodyWorld *	rbw )

Ensure newly set collections' objects all have required data.

Definition at line 2356 of file rigidbody.cc.

Referenced by do_versions_after_linking_280().

BKE_rigidbody_rebuild_sim()

void BKE_rigidbody_rebuild_sim	(	Depsgraph *	depsgraph,
		Scene *	scene )

Definition at line 2371 of file rigidbody.cc.

References BKE_rigidbody_rebuild_world(), BKE_scene_check_rigidbody_active(), DEG_debug_print_eval_time(), DEG_get_ctime(), depsgraph, Scene::id, and ID::name.

BKE_rigidbody_rebuild_world()

void BKE_rigidbody_rebuild_world	(	struct Depsgraph *	depsgraph,
		struct Scene *	scene,
		float	ctime )

Rebuild rigid body world.

NOTE: this needs to be called before frame update to work correctly.

Definition at line 2354 of file rigidbody.cc.

References depsgraph.

Referenced by BKE_rigidbody_rebuild_sim().

BKE_rigidbody_remove_constraint()

void BKE_rigidbody_remove_constraint	(	Main *	bmain,
		Scene *	scene,
		Object *	ob,
		const bool	free_us )

Definition at line 2343 of file rigidbody.cc.

Referenced by BKE_scene_remove_rigidbody_object(), and ED_rigidbody_constraint_remove().

BKE_rigidbody_remove_object()

void BKE_rigidbody_remove_object	(	Main *	bmain,
		Scene *	scene,
		Object *	ob,
		const bool	free_us )

Definition at line 2342 of file rigidbody.cc.

Referenced by BKE_scene_remove_rigidbody_object(), and ED_rigidbody_object_remove().

BKE_rigidbody_sync_transforms()

void BKE_rigidbody_sync_transforms	(	struct RigidBodyWorld *	rbw,
		struct Object *	ob,
		float	ctime )

Sync rigid body and object transformations.

Definition at line 2344 of file rigidbody.cc.

Referenced by BKE_rigidbody_object_sync_transforms(), and object_where_is_calc_ex().

BKE_rigidbody_validate_sim_world()

void BKE_rigidbody_validate_sim_world	(	struct Scene *	scene,
		struct RigidBodyWorld *	rbw,
		bool	rebuild )

'validate' (i.e. make new or replace old) Physics-Engine objects. Create physics sim world given RigidBody world settings

Note

this does NOT update object references that the scene uses, in case those aren't ready yet!

Definition at line 2300 of file rigidbody.cc.

BKE_rigidbody_world_copy()

RigidBodyWorld * BKE_rigidbody_world_copy	(	struct RigidBodyWorld *	rbw,
		int	flag )

Copy.

Definition at line 2316 of file rigidbody.cc.

References flag.

Referenced by scene_copy_data().

BKE_rigidbody_world_groups_relink()

void BKE_rigidbody_world_groups_relink

(

RigidBodyWorld *

rbw

)

Definition at line 2320 of file rigidbody.cc.

Referenced by BKE_scene_groups_relink().

BKE_rigidbody_world_id_loop()

void BKE_rigidbody_world_id_loop	(	RigidBodyWorld *	rbw,
		RigidbodyWorldIDFunc	func,
		void *	userdata )

Definition at line 2402 of file rigidbody.cc.

References RigidBodyWorld::constraints, RigidBodyWorld::effector_weights, EffectorWeights::group, RigidBodyWorld::group, i, IDWALK_CB_NOP, IDWALK_CB_USER, RigidBodyWorld::numbodies, and RigidBodyWorld::objects.

Referenced by scene_foreach_id().

BKE_rigidbody_world_init_runtime()

void BKE_rigidbody_world_init_runtime

(

struct RigidBodyWorld *

rbw

)

Runtime data.

Definition at line 96 of file rigidbody.cc.

References RigidBodyWorld_Shared::runtime, and RigidBodyWorld::shared.

Referenced by blo_do_versions_280(), and scene_blend_read_data().

BKE_rigidbody_world_physics()

rbDynamicsWorld * BKE_rigidbody_world_physics

(

RigidBodyWorld *

rbw

)

Definition at line 103 of file rigidbody.cc.

References RigidBodyWorld_Runtime::physics_world, RigidBodyWorld_Shared::runtime, and RigidBodyWorld::shared.

Referenced by rigidbody_world_export_exec().

RB_body_delete()

void RB_body_delete ( void * )

static

Definition at line 79 of file rigidbody.cc.

Referenced by BKE_rigidbody_free_object().

RB_constraint_delete()

void RB_constraint_delete ( void * )

static

Definition at line 81 of file rigidbody.cc.

Referenced by BKE_rigidbody_free_constraint().

RB_dworld_delete()

void RB_dworld_delete ( void * )

static

Definition at line 78 of file rigidbody.cc.

Referenced by RigidBodyWorld_Runtime::~RigidBodyWorld_Runtime().

RB_dworld_remove_body()

void RB_dworld_remove_body ( void * , void *  )

static

Definition at line 77 of file rigidbody.cc.

Referenced by BKE_rigidbody_free_object().

RB_dworld_remove_constraint()

void RB_dworld_remove_constraint ( void * , void *  )

static

Definition at line 76 of file rigidbody.cc.

Referenced by BKE_rigidbody_free_world().

RB_shape_delete()

void RB_shape_delete ( void * )

static

Definition at line 80 of file rigidbody.cc.

Referenced by BKE_rigidbody_free_object().

rigidbody_copy_constraint()

RigidBodyCon * rigidbody_copy_constraint ( const Object * ob, const int  )

static

Definition at line 2446 of file rigidbody.cc.

References RigidBodyCon::flag, MEM_dupallocN(), RigidBodyCon::physics_constraint, RBC_FLAG_NEEDS_VALIDATE, and Object::rigidbody_constraint.

Referenced by BKE_rigidbody_object_copy().

rigidbody_copy_object()

RigidBodyOb * rigidbody_copy_object ( const Object * ob, const int flag )

static

Definition at line 2423 of file rigidbody.cc.

References flag, RigidBodyOb::flag, LIB_ID_COPY_SET_COPIED_ON_WRITE, MEM_callocN(), MEM_dupallocN(), RBO_FLAG_NEEDS_VALIDATE, Object::rigidbody_object, and RigidBodyOb::shared.

Referenced by BKE_rigidbody_object_copy().