Blender V4.3
Functions
rigidbody.cc File Reference
Blender » BlenKernel

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

#include <algorithm>
#include <cfloat>
#include <climits>
#include <cmath>
#include <cstddef>
#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 "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_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.

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_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_object_copy (Main *bmain, Object *ob_dst, const Object *ob_src, const int flag)
 
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)
 
void BKE_rigidbody_world_id_loop (RigidBodyWorld *rbw, RigidbodyWorldIDFunc func, void *userdata)
 
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)
 

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 2431 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 2440 of file rigidbody.cc.

Referenced by special_aftertrans_update__object().

◆ BKE_rigidbody_cache_reset()

void BKE_rigidbody_cache_reset ( RigidBodyWorld * rbw)

Definition at line 2448 of file rigidbody.cc.

◆ BKE_rigidbody_calc_center_of_mass()

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

Definition at line 2402 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 2396 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 2444 of file rigidbody.cc.

Referenced by ObjectToTransData(), and special_aftertrans_update__object().

◆ BKE_rigidbody_constraints_collection_validate()

void BKE_rigidbody_constraints_collection_validate ( Scene * scene,
RigidBodyWorld * rbw )

Definition at line 2452 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 2420 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 2416 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 2406 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 2450 of file rigidbody.cc.

Referenced by BKE_rigidbody_eval_simulation().

◆ BKE_rigidbody_ensure_local_object()

void BKE_rigidbody_ensure_local_object ( Main * bmain,
Object * ob )

Definition at line 2429 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 2476 of file rigidbody.cc.

References BKE_rigidbody_do_simulation(), BKE_scene_check_rigidbody_active(), DEG_debug_print_eval_time(), DEG_get_ctime(), and depsgraph.

◆ BKE_rigidbody_free_constraint()

void BKE_rigidbody_free_constraint ( struct Object * ob)

Free rigid-body constraint and simulation instance.

Definition at line 197 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 146 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_Shared::physics_world, RB_body_delete(), RB_dworld_remove_body(), RB_shape_delete(), Object::rigidbody_object, 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 89 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, ID_TAG_COPIED_ON_EVAL, MEM_freeN(), RigidBodyWorld::objects, RigidBodyCon::physics_constraint, RigidBodyWorld_Shared::physics_world, RigidBodyWorld_Shared::pointcache, RigidBodyWorld_Shared::ptcaches, RB_dworld_delete(), RB_dworld_remove_constraint(), and RigidBodyWorld::shared.

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
sceneScene to find active Rigid Body world for.

Definition at line 2424 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 217 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 2453 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 2391 of file rigidbody.cc.

◆ BKE_rigidbody_object_sync_transforms()

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

Definition at line 2488 of file rigidbody.cc.

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

◆ 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 2451 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 2466 of file rigidbody.cc.

References BKE_rigidbody_rebuild_world(), BKE_scene_check_rigidbody_active(), DEG_debug_print_eval_time(), DEG_get_ctime(), and depsgraph.

◆ 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 2449 of file rigidbody.cc.

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 2438 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 2437 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 2439 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 2394 of file rigidbody.cc.

◆ BKE_rigidbody_world_copy()

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

Copy.

Definition at line 2410 of file rigidbody.cc.

Referenced by scene_copy_data().

◆ BKE_rigidbody_world_groups_relink()

void BKE_rigidbody_world_groups_relink ( RigidBodyWorld * rbw)

Definition at line 2414 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 2415 of file rigidbody.cc.

Referenced by scene_foreach_id().

◆ RB_body_delete()

static void RB_body_delete ( void * )
static

Definition at line 83 of file rigidbody.cc.

Referenced by BKE_rigidbody_free_object().

◆ RB_constraint_delete()

static void RB_constraint_delete ( void * )
static

Definition at line 85 of file rigidbody.cc.

Referenced by BKE_rigidbody_free_constraint().

◆ RB_dworld_delete()

static void RB_dworld_delete ( void * )
static

Definition at line 82 of file rigidbody.cc.

Referenced by BKE_rigidbody_free_world().

◆ RB_dworld_remove_body()

static void RB_dworld_remove_body ( void * ,
void *  )
static

Definition at line 81 of file rigidbody.cc.

Referenced by BKE_rigidbody_free_object().

◆ RB_dworld_remove_constraint()

static void RB_dworld_remove_constraint ( void * ,
void *  )
static

Definition at line 80 of file rigidbody.cc.

Referenced by BKE_rigidbody_free_world().

◆ RB_shape_delete()

static void RB_shape_delete ( void * )
static

Definition at line 84 of file rigidbody.cc.

Referenced by BKE_rigidbody_free_object().

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