effect.cc File Reference

#include <algorithm>
#include <cmath>
#include <cstdarg>
#include <cstddef>
#include <cstdlib>
#include "MEM_guardedalloc.h"
#include "DNA_curve_types.h"
#include "DNA_listBase.h"
#include "DNA_mesh_types.h"
#include "DNA_object_force_types.h"
#include "DNA_object_types.h"
#include "DNA_particle_types.h"
#include "DNA_scene_types.h"
#include "DNA_texture_types.h"
#include "BLI_ghash.h"
#include "BLI_listbase.h"
#include "BLI_math_base_safe.h"
#include "BLI_math_matrix.h"
#include "BLI_math_rotation.h"
#include "BLI_math_vector.h"
#include "BLI_noise.h"
#include "BLI_rand.h"
#include "BLI_string.h"
#include "BLI_time.h"
#include "BLI_utildefines.h"
#include "BKE_anim_path.h"
#include "BKE_bvhutils.hh"
#include "BKE_collection.hh"
#include "BKE_collision.h"
#include "BKE_curve.hh"
#include "BKE_displist.h"
#include "BKE_effect.h"
#include "BKE_fluid.h"
#include "BKE_global.hh"
#include "BKE_modifier.hh"
#include "BKE_object.hh"
#include "BKE_object_types.hh"
#include "BKE_particle.h"
#include "DEG_depsgraph.hh"
#include "DEG_depsgraph_physics.hh"
#include "DEG_depsgraph_query.hh"
#include "RE_texture.h"

Go to the source code of this file.

Macros
#define	rot(x, k)

Functions
EffectorWeights *	BKE_effector_add_weights (Collection *collection)
PartDeflect *	BKE_partdeflect_new (int type)
PartDeflect *	BKE_partdeflect_copy (const PartDeflect *pd_src)
void	BKE_partdeflect_free (PartDeflect *pd)
static void	precalculate_effector (Depsgraph *depsgraph, EffectorCache *eff)
static void	add_effector_relation (ListBase *relations, Object *ob, ParticleSystem *psys, PartDeflect *pd)
static void	add_effector_evaluation (ListBase **effectors, Depsgraph *depsgraph, Scene *scene, Object *ob, ParticleSystem *psys, PartDeflect *pd)
ListBase *	BKE_effector_relations_create (Depsgraph *depsgraph, const Scene *scene, ViewLayer *view_layer, Collection *collection)
void	BKE_effector_relations_free (ListBase *lb)
static bool	is_effector_enabled (PartDeflect *pd, bool use_rotation)
static bool	is_effector_nonzero_strength (PartDeflect *pd)
static bool	is_effector_relevant (PartDeflect *pd, EffectorWeights *weights, bool use_rotation)
ListBase *	BKE_effectors_create (Depsgraph *depsgraph, Object *ob_src, ParticleSystem *psys_src, EffectorWeights *weights, bool use_rotation)
void	BKE_effectors_free (ListBase *lb)
void	pd_point_from_particle (ParticleSimulationData *sim, ParticleData *pa, ParticleKey *state, EffectedPoint *point)
void	pd_point_from_loc (Scene *scene, float *loc, float *vel, int index, EffectedPoint *point)
void	pd_point_from_soft (Scene *scene, float *loc, float *vel, int index, EffectedPoint *point)
static void	eff_tri_ray_hit (void *, int, const BVHTreeRay *, BVHTreeRayHit *hit)
static float	eff_calc_visibility (ListBase *colliders, EffectorCache *eff, EffectorData *efd, EffectedPoint *point)
static float	wind_func (RNG *rng, float strength)
static float	falloff_func (float fac, int usemin, float mindist, int usemax, float maxdist, float power)
static float	falloff_func_dist (PartDeflect *pd, float fac)
static float	falloff_func_rad (PartDeflect *pd, float fac)
float	effector_falloff (EffectorCache *eff, EffectorData *efd, EffectedPoint *, EffectorWeights *weights)
bool	closest_point_on_surface (SurfaceModifierData *surmd, const float co[3], float surface_co[3], float surface_nor[3], float surface_vel[3])
bool	get_effector_data (EffectorCache *eff, EffectorData *efd, EffectedPoint *point, int real_velocity)
static void	get_effector_tot (EffectorCache *eff, EffectorData *efd, EffectedPoint *point, int *tot, int *p, int *step)
static void	do_texture_effector (EffectorCache *eff, EffectorData *efd, EffectedPoint *point, float *total_force)
static void	do_physical_effector (EffectorCache *eff, EffectorData *efd, EffectedPoint *point, float *total_force)
void	BKE_effectors_apply (ListBase *effectors, ListBase *colliders, EffectorWeights *weights, EffectedPoint *point, float *force, float *wind_force, float *impulse)
uint	BKE_sim_debug_data_hash (int i)
uint	BKE_sim_debug_data_hash_combine (uint kx, uint ky)
static uint	debug_element_hash (const void *key)
static bool	debug_element_compare (const void *a, const void *b)
static void	debug_element_free (void *val)
void	BKE_sim_debug_data_set_enabled (bool enable)
bool	BKE_sim_debug_data_get_enabled ()
void	BKE_sim_debug_data_free ()
static void	debug_data_insert (SimDebugData *debug_data, SimDebugElement *elem)
void	BKE_sim_debug_data_add_element (int type, const float v1[3], const float v2[3], const char *str, float r, float g, float b, const char *category, uint hash)
void	BKE_sim_debug_data_remove_element (uint hash)
void	BKE_sim_debug_data_clear ()
void	BKE_sim_debug_data_clear_category (const char *category)

Variables
SimDebugData *	_sim_debug_data = nullptr

Macro Definition Documentation

rot

#define rot	(		x,
			k )

Value:

(((x) << (k)) | ((x) >> (32 - (k))))

Referenced by blender::io::fbx::add_image_texture(), add_primitive_circle_exec(), add_primitive_cone_exec(), add_primitive_cube_exec(), add_primitive_cylinder_exec(), add_primitive_grid_exec(), add_primitive_icosphere_exec(), add_primitive_monkey_exec(), add_primitive_plane_exec(), add_primitive_uvsphere_exec(), blender::ed::object::add_type(), blender::ed::object::add_type_with_obdata(), btSoftBody::appendDeformableAnchor(), BKE_object_apply_mat4_ex(), BKE_object_tfm_copy(), BKE_object_tfm_protected_backup(), BKE_pchan_apply_mat4(), BKE_pose_rest(), BKE_rigidbody_aftertrans_update(), BKE_sim_debug_data_hash_combine(), blender::math::DualQuaternionBase< float >::BLI_STRUCT_EQUALITY_OPERATORS_5(), KDL::Jacobian::changeBase, cloth_parallel_transport_hair_frame(), IK_QOrientationTask::ComputeJacobian(), convert_pose(), convert_tree(), blender::io::usd::USDMaterialReader::convert_usd_transform_2d(), blender::io::grease_pencil::GreasePencilImporter::create_object(), blender::io::usd::create_transform2d_shader(), curvesurf_prim_add(), diagonalize(), do_kink_spiral(), do_kink_spiral_deform(), btSoftColliders::CollideSDF_RD::DoNode(), btSoftColliders::CollideSDF_RDF::DoNode(), blender::ed::object::effector_add_exec(), explodeMesh(), blender::geometry::extend_curve_curved(), KDL::FrameAcc::FrameAcc(), KDL::FrameVel::FrameVel(), blender::seq::get_auto_filter(), blender::bke::greasepencil::get_stroke_to_texture_matrix(), GetJointRotation(), gizmo_cage2d_modal(), blender::ed::space_node::gizmo_node_box_mask_prop_matrix_get(), blender::ed::space_node::gizmo_node_box_mask_prop_matrix_set(), blender::ed::space_node::gizmo_node_split_prop_matrix_get(), blender::ed::greasepencil::grease_pencil_primitive_rotate_all_update(), IK_CreateSegment(), IK_SolverAddGoalOrientation(), init_meta(), blender::ed::object::init_transform_on_add(), btDeformableMultiBodyDynamicsWorld::integrateTransforms(), blender::ed::object::lightprobe_add_exec(), loc_rot_size_to_mat4(), make_prim_init(), mat3_to_rot_size(), mat4_decompose(), mat4_to_loc_rot_size(), Matrix_decompose(), Matrix_to_scale(), modify_mesh(), blender::ed::object::new_primitive_matrix(), blender::io::usd::node_search(), blender::ed::object::object_add_exec(), blender::ed::object::object_add_text_exec(), blender::ed::object::object_armature_add_exec(), blender::ed::object::object_camera_add_exec(), blender::ed::object::object_curves_random_add_exec(), blender::ed::object::object_data_instance_add_exec(), blender::ed::object::object_empty_add_exec(), blender::ed::object::object_grease_pencil_add_exec(), blender::ed::object::object_image_add_exec(), blender::ed::object::object_light_add_exec(), blender::ed::object::object_metaball_add_exec(), blender::ed::object::object_pointcloud_add_exec(), blender::ed::object::object_speaker_add_exec(), blender::ed::object::object_transform_apply_exec(), blender::ed::object::object_volume_add(), blender::ed::transform::ObjectToTransData(), KDL::RotationAcc::operator*, KDL::VectorVel::operator*, KDL::VectorVel::operator*, blender::math::AngleCartesianBase< float >::operator<<, blender::math::AngleFraction< T >::operator<<, blender::math::AngleRadianBase< float >::operator<<, blender::math::AxisAngleBase< float, AngleRadianBase< float > >::operator<<, blender::math::CartesianBasis::operator<<, blender::math::Euler3Base< float >::operator<<, blender::math::EulerXYZBase< float >::operator<<, blender::math::QuaternionBase< float >::operator<<, blender::draw::pack_rotation_aspect_hardness_miter(), pivotcon_evaluate(), psys_cache_edit_paths_iter(), psys_cache_paths(), psys_get_birth_coords(), psys_get_from_key(), psys_interpolate_face(), psys_thread_create_path(), ptcache_particle_interpolate(), radial_control_paint_tex(), RB_body_get_activation_state(), RB_body_new(), RB_body_set_loc_rot(), RB_compound_add_child_shape(), btSoftBody::rotate(), blender::bke::subdiv::rotate_indices(), blender::ed::object::rotation_from_quat(), blender::ed::object::rotation_from_view(), set_plane_exec(), blender::io::usd::USDTransformWriter::set_xform_ops(), setUpVector(), setWorldToBaseRot(), blender::ed::sculpt_paint::pose::solve_ik_chain(), blender::ed::sculpt_paint::pose::solve_roll_chain(), testAngLimits(), transform_evaluate(), txt_add_object(), view3d_collection_drop_copy_external_asset(), view3d_collection_drop_copy_local_id(), wm_gizmo_set_matrix_rotation_from_z_axis__internal(), and wm_xr_navigation_reset_exec().

Function Documentation

add_effector_evaluation()

void add_effector_evaluation ( ListBase ** effectors, Depsgraph * depsgraph, Scene * scene, Object * ob, ParticleSystem * psys, PartDeflect * pd )

static

Definition at line 177 of file effect.cc.

References BLI_addtail(), depsgraph, EffectorCache::depsgraph, EffectorCache::frame, MEM_callocN(), EffectorCache::ob, EffectorCache::pd, precalculate_effector(), EffectorCache::psys, and EffectorCache::scene.

Referenced by BKE_effectors_create().

add_effector_relation()

void add_effector_relation ( ListBase * relations, Object * ob, ParticleSystem * psys, PartDeflect * pd )

static

Definition at line 164 of file effect.cc.

References BLI_addtail(), MEM_callocN(), EffectorRelation::ob, EffectorRelation::pd, and EffectorRelation::psys.

Referenced by BKE_effector_relations_create().

BKE_effector_add_weights()

EffectorWeights * BKE_effector_add_weights

(

Collection *

collection

)

Definition at line 58 of file effect.cc.

References EffectorWeights::global_gravity, EffectorWeights::group, i, MEM_callocN(), NUM_PFIELD_TYPES, and EffectorWeights::weight.

Referenced by BKE_fluid_modifier_create_type_data(), BKE_modifier_blend_read_data(), do_versions_after_linking_400(), dynamicPaint_createNewSurface(), init_data(), object_blend_read_data(), particle_settings_blend_read_data(), particle_settings_init(), sbNew(), and scene_blend_read_data().

BKE_effector_relations_create()

ListBase * BKE_effector_relations_create	(	Depsgraph *	depsgraph,
		const Scene *	scene,
		ViewLayer *	view_layer,
		Collection *	collection )

Definition at line 200 of file effect.cc.

References add_effector_relation(), BASE_ENABLED_RENDER, BASE_ENABLED_VIEWPORT, BKE_collection_or_layer_objects(), DAG_EVAL_RENDER, DEG_get_mode(), depsgraph, Base::flag, PartDeflect::forcefield, LISTBASE_FOREACH, MEM_callocN(), Base::next, Base::object, Object::particlesystem, Object::pd, ParticleSettings::pd, ParticleSettings::pd2, and psys_check_enabled().

BKE_effector_relations_free()

void BKE_effector_relations_free

(

ListBase *

lb

)

Definition at line 239 of file effect.cc.

References BLI_freelistN(), and MEM_freeN().

Referenced by blender::deg::clear_physics_relations().

BKE_effectors_apply()

void BKE_effectors_apply	(	struct ListBase *	effectors,
		struct ListBase *	colliders,
		struct EffectorWeights *	weights,
		struct EffectedPoint *	point,
		float *	force,
		float *	wind_force,
		float *	impulse )

Generic force/speed system, now used for particles, soft-bodies & dynamic-paint.

Definition at line 1106 of file effect.cc.

References add_v3_v3(), add_v3_v3v3(), do_physical_effector(), do_texture_effector(), eff_calc_visibility(), effector_falloff(), EffectorData::falloff, EffectedPoint::flag, get_effector_data(), get_effector_tot(), LISTBASE_FOREACH, madd_v3_v3fl(), PE_VELOCITY_TO_IMPULSE, PE_WIND_AS_SPEED, PFIELD_TEXTURE, step, sub_v3_v3v3(), and EffectorData::vel.

Referenced by _scan_for_ext_spring_forces(), _softbody_calc_forces_slice_in_a_thread(), basic_force_cb(), boid_body(), cloth_calc_force(), do_path_effectors(), and dynamic_paint_prepare_effect_cb().

BKE_effectors_create()

ListBase * BKE_effectors_create	(	struct Depsgraph *	depsgraph,
		struct Object *	ob_src,
		struct ParticleSystem *	psys_src,
		struct EffectorWeights *	weights,
		bool	use_rotation )

Create effective list of effectors from relations built beforehand.

Definition at line 306 of file effect.cc.

References add_effector_evaluation(), BKE_object_get_evaluated_mesh(), BLI_findstring(), DEG_get_effector_relations(), DEG_get_evaluated(), DEG_get_evaluated_scene(), depsgraph, ParticleSettings::flag, EffectorWeights::group, is_effector_relevant(), LISTBASE_FOREACH, name, offsetof, ParticleSystem::part, PART_SELF_EFFECT, Object::particlesystem, Object::pd, ParticleSettings::pd, ParticleSettings::pd2, PFIELD_SHAPE_POINTS, and PartDeflect::shape.

Referenced by do_step_cloth(), dynamicPaint_prepareEffectStep(), psys_update_effectors(), sb_sfesf_threads_run(), and softbody_calc_forces().

BKE_effectors_free()

void BKE_effectors_free

(

ListBase *

lb

)

Definition at line 361 of file effect.cc.

References BLI_freelistN(), BLI_rng_free(), LISTBASE_FOREACH, and MEM_freeN().

Referenced by do_step_cloth(), dynamicPaint_prepareEffectStep(), psys_free(), psys_update_effectors(), sb_sfesf_threads_run(), and softbody_calc_forces().

BKE_partdeflect_copy()

PartDeflect * BKE_partdeflect_copy

(

const PartDeflect *

pd_src

)

Definition at line 110 of file effect.cc.

References MEM_dupallocN().

BKE_partdeflect_free()

void BKE_partdeflect_free

(

PartDeflect *

pd

)

Definition at line 119 of file effect.cc.

References MEM_freeN().

Referenced by object_free_data(), and particle_settings_free_data().

BKE_partdeflect_new()

PartDeflect * BKE_partdeflect_new

(

int

type

)

Definition at line 71 of file effect.cc.

References BLI_time_now_seconds(), ceil, PartDeflect::f_damp, PartDeflect::f_flow, PartDeflect::f_size, PartDeflect::f_strength, PartDeflect::f_wind_factor, PartDeflect::flag, PartDeflect::forcefield, MEM_callocN(), PartDeflect::pdef_cfrict, PartDeflect::pdef_sbdamp, PartDeflect::pdef_sbift, PartDeflect::pdef_sboft, PFIELD_CLOTH_USE_CULLING, PFIELD_DO_LOCATION, PFIELD_DO_ROTATION, PFIELD_FLUIDFLOW, PFIELD_SHAPE_PLANE, PFIELD_TEXTURE, PFIELD_VORTEX, PFIELD_WIND, PartDeflect::seed, and PartDeflect::shape.

Referenced by blender::ed::object::effector_add_exec(), blender::ed::object::forcefield_toggle_exec(), blender::ed::object::modifier_add(), and particle_settings_init().

BKE_sim_debug_data_add_element()

void BKE_sim_debug_data_add_element	(	int	type,
		const float	v1[3],
		const float	v2[3],
		const char *	str,
		float	r,
		float	g,
		float	b,
		const char *	category,
		uint	hash )

Definition at line 1299 of file effect.cc.

References _sim_debug_data, b, BKE_sim_debug_data_set_enabled(), BLI_ghashutil_strhash_p(), SimDebugElement::category_hash, SimDebugElement::color, copy_v3_v3(), debug_data_insert(), G, G_DEBUG_SIMDATA, hash, SimDebugElement::hash, MEM_callocN(), SimDebugElement::str, str, STRNCPY(), SimDebugElement::type, SimDebugElement::v1, SimDebugElement::v2, v2, and zero_v3().

BKE_sim_debug_data_clear()

void BKE_sim_debug_data_clear

(

void

)

Definition at line 1360 of file effect.cc.

References _sim_debug_data, BLI_ghash_clear(), and debug_element_free().

BKE_sim_debug_data_clear_category()

void BKE_sim_debug_data_clear_category

(

const char *

category

)

Definition at line 1370 of file effect.cc.

References _sim_debug_data, BLI_ghash_remove(), BLI_ghashIterator_done(), BLI_ghashIterator_getValue(), BLI_ghashIterator_init(), BLI_ghashIterator_step(), BLI_ghashutil_strhash_p(), SimDebugElement::category_hash, and debug_element_free().

Referenced by cloth_continuum_step(), and SIM_cloth_solve().

BKE_sim_debug_data_free()

void BKE_sim_debug_data_free

(

void

)

Definition at line 1276 of file effect.cc.

References _sim_debug_data, BLI_ghash_free(), debug_element_free(), and MEM_freeN().

Referenced by BKE_sim_debug_data_set_enabled().

BKE_sim_debug_data_get_enabled()

bool BKE_sim_debug_data_get_enabled

(

void

)

Definition at line 1271 of file effect.cc.

References _sim_debug_data.

BKE_sim_debug_data_hash()

uint BKE_sim_debug_data_hash

(

int

i

)

Definition at line 1199 of file effect.cc.

References BLI_ghashutil_uinthash(), and i.

BKE_sim_debug_data_hash_combine()

uint BKE_sim_debug_data_hash_combine	(	uint	kx,
		uint	ky )

Definition at line 1204 of file effect.cc.

References b, and rot.

BKE_sim_debug_data_remove_element()

void BKE_sim_debug_data_remove_element

(

uint

hash

)

Definition at line 1350 of file effect.cc.

References _sim_debug_data, BLI_ghash_remove(), debug_element_free(), hash, and SimDebugElement::hash.

BKE_sim_debug_data_set_enabled()

void BKE_sim_debug_data_set_enabled

(

bool

enable

)

Definition at line 1257 of file effect.cc.

References _sim_debug_data, BKE_sim_debug_data_free(), BLI_ghash_new(), debug_element_compare(), debug_element_hash(), and MEM_callocN().

Referenced by BKE_sim_debug_data_add_element().

closest_point_on_surface()

bool closest_point_on_surface	(	SurfaceModifierData *	surmd,
		const float	co[3],
		float	surface_co[3],
		float	surface_nor[3],
		float	surface_vel[3] )

Definition at line 635 of file effect.cc.

References add_v3_v3(), BLI_bvhtree_find_nearest(), SurfaceModifierData_Runtime::bvhtree, BVHTreeNearest::co, copy_v3_v3(), blender::bke::BVHTreeFromMesh::corner_tris, blender::bke::BVHTreeFromMesh::corner_verts, Span< T >::data(), BVHTreeNearest::dist_sq, FLT_MAX, BVHTreeNearest::index, mul_v3_fl(), blender::bke::BVHTreeFromMesh::nearest_callback, BVHTreeNearest::no, SurfaceModifierData::runtime, blender::bke::BVHTreeFromMesh::tree, and SurfaceModifierData_Runtime::vert_velocities.

Referenced by boid_find_ground(), and get_effector_data().

debug_data_insert()

void debug_data_insert ( SimDebugData * debug_data, SimDebugElement * elem )

static

Definition at line 1286 of file effect.cc.

References BLI_ghash_insert(), BLI_ghash_lookup(), SimDebugData::gh, and MEM_freeN().

Referenced by BKE_sim_debug_data_add_element().

debug_element_compare()

bool debug_element_compare ( const void * a, const void * b )

static

Definition at line 1240 of file effect.cc.

References b, and SimDebugElement::hash.

Referenced by BKE_sim_debug_data_set_enabled().

debug_element_free()

void debug_element_free ( void * val )

static

Definition at line 1251 of file effect.cc.

References MEM_freeN().

Referenced by BKE_sim_debug_data_clear(), BKE_sim_debug_data_clear_category(), BKE_sim_debug_data_free(), and BKE_sim_debug_data_remove_element().

debug_element_hash()

uint debug_element_hash ( const void * key )

static

Definition at line 1234 of file effect.cc.

References SimDebugElement::hash.

Referenced by BKE_sim_debug_data_set_enabled().

do_physical_effector()

void do_physical_effector ( EffectorCache * eff, EffectorData * efd, EffectedPoint * point, float * total_force )

static

Definition at line 946 of file effect.cc.

References add_v3_v3(), add_v3_v3v3(), EffectedPoint::ave, BKE_fluid_get_velocity_at(), BLI_noise_generic_turbulence(), EffectedPoint::charge, copy_v3_v3(), cross_v3_v3v3(), EffectorData::distance, ELEM, PartDeflect::f_damp, PartDeflect::f_flow, PartDeflect::f_noise, PartDeflect::f_size, PartDeflect::f_source, PartDeflect::f_strength, fabsf, EffectorData::falloff, PartDeflect::flag, PartDeflect::forcefield, EffectedPoint::loc, madd_v3_v3fl(), mul_qt_v3(), mul_v3_fl(), EffectorData::nor, EffectorData::nor2, normalize_v3(), EffectorCache::pd, PFIELD_BOID, PFIELD_CHARGE, PFIELD_DO_LOCATION, PFIELD_DO_ROTATION, PFIELD_DRAG, PFIELD_FLUIDFLOW, PFIELD_FORCE, PFIELD_GLOBAL_CO, PFIELD_GRAVITATION, PFIELD_HARMONIC, PFIELD_LENNARDJ, PFIELD_MAGNET, PFIELD_SHAPE_LINE, PFIELD_SHAPE_POINT, PFIELD_SMOKE_DENSITY, PFIELD_TURBULENCE, PFIELD_VORTEX, PFIELD_WIND, pow, powf, EffectorCache::rng, EffectedPoint::rot, PartDeflect::shape, EffectedPoint::size, EffectorData::size, sqrtf, EffectorData::vec_to_point, EffectorData::vec_to_point2, EffectedPoint::vel, EffectedPoint::vel_to_sec, wind_func(), and zero_v3().

Referenced by BKE_effectors_apply().

do_texture_effector()

void do_texture_effector ( EffectorCache * eff, EffectorData * efd, EffectedPoint * point, float * total_force )

static

Definition at line 854 of file effect.cc.

References add_v3_v3(), copy_v3_v3(), dot_v3v3(), PartDeflect::f_strength, EffectorData::falloff, PartDeflect::flag, i, EffectedPoint::loc, madd_v3_v3fl(), mul_m4_v3(), multitex_ext(), EffectorData::nor, EffectorCache::ob, EffectorCache::pd, PFIELD_DO_LOCATION, PFIELD_TEX_2D, PFIELD_TEX_GRAD, PFIELD_TEX_OBJECT, PFIELD_TEX_RGB, result, PartDeflect::tex, PartDeflect::tex_mode, PartDeflect::tex_nabla, TEX_RGB, and zero_v3().

Referenced by BKE_effectors_apply().

eff_calc_visibility()

float eff_calc_visibility ( ListBase * colliders, EffectorCache * eff, EffectorData * efd, EffectedPoint * point )

static

Get visibility of a wind ray.

Definition at line 463 of file effect.cc.

References absorption(), BKE_collider_cache_create(), BKE_collider_cache_free(), BLI_bvhtree_ray_cast_ex(), BVH_RAYCAST_DEFAULT, BVH_RAYCAST_WATERTIGHT, CollisionModifierData::bvhtree, col, EffectorCache::depsgraph, BVHTreeRayHit::dist, eff_tri_ray_hit(), PartDeflect::flag, BVHTreeRayHit::index, len, LISTBASE_FOREACH, EffectedPoint::loc, negate_v3_v3(), norm(), normalize_v3(), EffectorCache::ob, EffectorCache::pd, PFIELD_VISIBILITY, and EffectorData::vec_to_point.

Referenced by BKE_effectors_apply().

eff_tri_ray_hit()

void eff_tri_ray_hit ( void * , int , const BVHTreeRay * , BVHTreeRayHit * hit )

static

Definition at line 450 of file effect.cc.

References BVHTreeRayHit::dist, and BVHTreeRayHit::index.

Referenced by eff_calc_visibility().

effector_falloff()

float effector_falloff	(	EffectorCache *	eff,
		EffectorData *	efd,
		EffectedPoint *	point,
		EffectorWeights *	weights )

Definition at line 586 of file effect.cc.

References EffectorData::distance, dot_v3v3(), fabsf, PartDeflect::falloff, falloff_func_dist(), falloff_func_rad(), PartDeflect::forcefield, len_v3(), madd_v3_v3v3fl(), EffectorData::nor, EffectorCache::pd, PFIELD_FALL_CONE, PFIELD_FALL_SPHERE, PFIELD_FALL_TUBE, PFIELD_Z_NEG, PFIELD_Z_POS, RAD2DEGF, safe_acosf(), EffectorData::vec_to_point2, EffectorWeights::weight, and PartDeflect::zdir.

Referenced by BKE_effectors_apply(), precalc_guides(), and rule_goal_avoid().

falloff_func()

float falloff_func ( float fac, int usemin, float mindist, int usemax, float maxdist, float power )

static

Definition at line 547 of file effect.cc.

References pow, and power().

Referenced by falloff_func_dist(), and falloff_func_rad().

falloff_func_dist()

float falloff_func_dist ( PartDeflect * pd, float fac )

static

Definition at line 566 of file effect.cc.

References PartDeflect::f_power, falloff_func(), PartDeflect::flag, PartDeflect::maxdist, PartDeflect::mindist, PFIELD_USEMAX, and PFIELD_USEMIN.

Referenced by effector_falloff().

falloff_func_rad()

float falloff_func_rad ( PartDeflect * pd, float fac )

static

Definition at line 576 of file effect.cc.

References PartDeflect::f_power_r, falloff_func(), PartDeflect::flag, PartDeflect::maxrad, PartDeflect::minrad, PFIELD_USEMAXR, and PFIELD_USEMINR.

Referenced by effector_falloff().

get_effector_data()

bool get_effector_data	(	EffectorCache *	eff,
		EffectorData *	efd,
		EffectedPoint *	point,
		int	real_velocity )

Definition at line 671 of file effect.cc.

References add_v3_v3(), add_v3_v3v3(), BKE_object_get_evaluated_mesh(), SurfaceModifierData_Runtime::bvhtree, closest_point_on_surface(), copy_v3_v3(), DEG_get_ctime(), EffectorCache::depsgraph, ParticleSimulationData::depsgraph, EffectorData::distance, ELEM, PartDeflect::f_size, EffectorCache::flag, PartDeflect::forcefield, EffectedPoint::index, EffectorData::index, len_v3(), EffectedPoint::loc, EffectorData::loc, mul_m4_v3(), mul_mat3_m4_v3(), mul_qt_v3(), mul_v3_fl(), EffectorData::nor, EffectorData::nor2, normalize_v3(), normalize_v3_v3(), EffectorCache::ob, ParticleSimulationData::ob, ParticleSystem::particles, EffectorCache::pd, PE_USE_NORMAL_DATA, PFIELD_HARMONIC, PFIELD_SHAPE_LINE, PFIELD_SHAPE_PLANE, PFIELD_SHAPE_POINTS, PFIELD_SHAPE_SURFACE, PFIELD_VORTEX, project_v3_v3v3(), EffectedPoint::psys, EffectorCache::psys, ParticleSimulationData::psys, psys_get_particle_state(), ret, SurfaceModifierData::runtime, EffectorCache::scene, ParticleSimulationData::scene, PartDeflect::shape, EffectorData::size, ParticleData::size, state, sub_v3_v3v3(), EffectorCache::surmd, EffectorData::vec_to_point, EffectorData::vec_to_point2, EffectedPoint::vel, EffectorData::vel, EffectedPoint::vel_to_frame, and zero_v3().

Referenced by BKE_effectors_apply(), and rule_goal_avoid().

get_effector_tot()

void get_effector_tot ( EffectorCache * eff, EffectorData * efd, EffectedPoint * point, int * tot, int * p, int * step )

static

Definition at line 807 of file effect.cc.

References BKE_object_get_evaluated_mesh(), ceil, EffectorData::charge, ParticleSettings::effector_amount, PartDeflect::f_strength, PartDeflect::flag, PartDeflect::forcefield, EffectedPoint::index, EffectorData::index, EffectorCache::ob, ParticleSystem::part, EffectorCache::pd, PFIELD_CHARGE, PFIELD_HARMONIC, PFIELD_MULTIPLE_SPRINGS, PFIELD_SHAPE_POINTS, EffectorCache::psys, PartDeflect::shape, step, ParticleSystem::totpart, and Mesh::verts_num.

Referenced by BKE_effectors_apply().

is_effector_enabled()

bool is_effector_enabled ( PartDeflect * pd, bool use_rotation )

static

Definition at line 248 of file effect.cc.

References PartDeflect::flag, PartDeflect::forcefield, PFIELD_BOID, PFIELD_DO_LOCATION, PFIELD_DO_ROTATION, PFIELD_GUIDE, PFIELD_TEXTURE, and PartDeflect::tex.

Referenced by is_effector_relevant().

is_effector_nonzero_strength()

bool is_effector_nonzero_strength ( PartDeflect * pd )

static

Definition at line 269 of file effect.cc.

References PartDeflect::f_damp, PartDeflect::f_flow, PartDeflect::f_noise, PartDeflect::f_strength, PartDeflect::forcefield, PFIELD_BOID, PFIELD_DRAG, PFIELD_GUIDE, PFIELD_SHAPE_POINT, PFIELD_TEXTURE, PFIELD_VORTEX, and PartDeflect::shape.

Referenced by is_effector_relevant().

is_effector_relevant()

bool is_effector_relevant ( PartDeflect * pd, EffectorWeights * weights, bool use_rotation )

static

Definition at line 300 of file effect.cc.

References PartDeflect::forcefield, is_effector_enabled(), is_effector_nonzero_strength(), and EffectorWeights::weight.

Referenced by BKE_effectors_create().

pd_point_from_loc()

void pd_point_from_loc	(	Scene *	scene,
		float *	loc,
		float *	vel,
		int	index,
		EffectedPoint *	point )

Definition at line 414 of file effect.cc.

References EffectedPoint::ave, EffectedPoint::flag, float, RenderData::frs_sec, EffectedPoint::index, EffectedPoint::loc, EffectedPoint::psys, Scene::r, EffectedPoint::rot, EffectedPoint::size, EffectedPoint::vel, EffectedPoint::vel_to_frame, and EffectedPoint::vel_to_sec.

Referenced by cloth_calc_force(), and dynamic_paint_prepare_effect_cb().

pd_point_from_particle()

void pd_point_from_particle	(	ParticleSimulationData *	sim,
		ParticleData *	pa,
		ParticleKey *	state,
		EffectedPoint *	point )

Definition at line 378 of file effect.cc.

References EffectedPoint::ave, EffectedPoint::charge, PartDeflect::f_strength, EffectedPoint::flag, ParticleSettings::flag, PartDeflect::forcefield, EffectedPoint::index, EffectedPoint::loc, ParticleSystem::part, PART_ROT_DYN, ParticleSystem::particles, ParticleSettings::pd, ParticleSettings::pd2, PFIELD_CHARGE, EffectedPoint::psys, ParticleSimulationData::psys, psys_get_timestep(), EffectedPoint::rot, EffectedPoint::size, ParticleData::size, state, EffectedPoint::vel, EffectedPoint::vel_to_frame, and EffectedPoint::vel_to_sec.

Referenced by basic_force_cb(), boid_body(), do_path_effectors(), precalc_guides(), and rule_goal_avoid().

pd_point_from_soft()

void pd_point_from_soft	(	Scene *	scene,
		float *	loc,
		float *	vel,
		int	index,
		EffectedPoint *	point )

Definition at line 429 of file effect.cc.

References EffectedPoint::ave, EffectedPoint::flag, float, RenderData::frs_sec, EffectedPoint::index, EffectedPoint::loc, PE_WIND_AS_SPEED, EffectedPoint::psys, Scene::r, EffectedPoint::rot, EffectedPoint::size, EffectedPoint::vel, EffectedPoint::vel_to_frame, and EffectedPoint::vel_to_sec.

Referenced by _scan_for_ext_spring_forces(), and _softbody_calc_forces_slice_in_a_thread().

precalculate_effector()

void precalculate_effector ( Depsgraph * depsgraph, EffectorCache * eff )

static

Definition at line 129 of file effect.cc.

References BKE_displist_make_curveTypes(), BKE_modifiers_findby_type(), BKE_where_on_path(), BLI_rng_new(), CU_PATH, Object::data, DEG_get_ctime(), depsgraph, eModifierType_Surface, Curve::flag, EffectorCache::flag, PartDeflect::forcefield, EffectorCache::guide_dir, EffectorCache::guide_loc, EffectorCache::guide_radius, mul_m4_v3(), mul_mat3_m4_v3(), EffectorCache::ob, OB_CURVES_LEGACY, EffectorCache::pd, PE_USE_NORMAL_DATA, PFIELD_GUIDE, PFIELD_SHAPE_SURFACE, EffectorCache::psys, psys_update_particle_tree(), EffectorCache::rng, Object::runtime, EffectorCache::scene, PartDeflect::seed, PartDeflect::shape, EffectorCache::surmd, and Object::type.

Referenced by add_effector_evaluation().

wind_func()

float wind_func ( RNG * rng, float strength )

static

Definition at line 529 of file effect.cc.

References BLI_rng_get_float(), BLI_rng_get_int(), float, random(), ret, and sign().

Referenced by do_physical_effector().

Variable Documentation

_sim_debug_data

SimDebugData* _sim_debug_data = nullptr

Definition at line 1197 of file effect.cc.

Referenced by BKE_sim_debug_data_add_element(), BKE_sim_debug_data_clear(), BKE_sim_debug_data_clear_category(), BKE_sim_debug_data_free(), BKE_sim_debug_data_get_enabled(), BKE_sim_debug_data_remove_element(), and BKE_sim_debug_data_set_enabled().