effect.c File Reference

#include <stddef.h>
#include <math.h>
#include <stdlib.h>
#include "MEM_guardedalloc.h"
#include "DNA_curve_types.h"
#include "DNA_effect_types.h"
#include "DNA_group_types.h"
#include "DNA_ipo_types.h"
#include "DNA_key_types.h"
#include "DNA_lattice_types.h"
#include "DNA_listBase.h"
#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_material_types.h"
#include "DNA_object_types.h"
#include "DNA_object_force.h"
#include "DNA_particle_types.h"
#include "DNA_texture_types.h"
#include "DNA_scene_types.h"
#include "BLI_math.h"
#include "BLI_blenlib.h"
#include "BLI_jitter.h"
#include "BLI_rand.h"
#include "BLI_utildefines.h"
#include "PIL_time.h"
#include "BKE_action.h"
#include "BKE_anim.h"
#include "BKE_armature.h"
#include "BKE_blender.h"
#include "BKE_collision.h"
#include "BKE_constraint.h"
#include "BKE_deform.h"
#include "BKE_depsgraph.h"
#include "BKE_displist.h"
#include "BKE_DerivedMesh.h"
#include "BKE_cdderivedmesh.h"
#include "BKE_effect.h"
#include "BKE_global.h"
#include "BKE_group.h"
#include "BKE_ipo.h"
#include "BKE_key.h"
#include "BKE_lattice.h"
#include "BKE_mesh.h"
#include "BKE_material.h"
#include "BKE_main.h"
#include "BKE_modifier.h"
#include "BKE_object.h"
#include "BKE_particle.h"
#include "BKE_scene.h"
#include "RE_render_ext.h"
#include "RE_shader_ext.h"

Go to the source code of this file.

Classes
struct	VeNoCo
Typedefs
typedef struct VeNoCo	VeNoCo
Functions
EffectorWeights *	BKE_add_effector_weights (Group *group)
PartDeflect *	object_add_collision_fields (int type)
void	free_partdeflect (PartDeflect *pd)
static void	precalculate_effector (EffectorCache *eff)
static EffectorCache *	new_effector_cache (Scene *scene, Object *ob, ParticleSystem *psys, PartDeflect *pd)
static void	add_object_to_effectors (ListBase **effectors, Scene *scene, EffectorWeights *weights, Object *ob, Object *ob_src)
static void	add_particles_to_effectors (ListBase **effectors, Scene *scene, EffectorWeights *weights, Object *ob, ParticleSystem *psys, ParticleSystem *psys_src)
ListBase *	pdInitEffectors (Scene *scene, Object *ob_src, ParticleSystem *psys_src, EffectorWeights *weights)
void	pdEndEffectors (ListBase **effectors)
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 *UNUSED(userData), int UNUSED(index), const BVHTreeRay *UNUSED(ray), BVHTreeRayHit *hit)
static float	eff_calc_visibility (ListBase *colliders, EffectorCache *eff, EffectorData *efd, EffectedPoint *point)
static float	wind_func (struct 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 *UNUSED(point), EffectorWeights *weights)
int	closest_point_on_surface (SurfaceModifierData *surmd, const float co[3], float surface_co[3], float surface_nor[3], float surface_vel[3])
int	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	pdDoEffectors (ListBase *effectors, ListBase *colliders, EffectorWeights *weights, EffectedPoint *point, float *force, float *impulse)

---

Detailed Description

Definition in file effect.c.

---

Typedef Documentation

typedef struct VeNoCo VeNoCo

---

Function Documentation

static void add_object_to_effectors	(	ListBase **	effectors,
		Scene *	scene,
		EffectorWeights *	weights,
		Object *	ob,
		Object *	ob_src
	)		[static]

Definition at line 224 of file effect.c.

References BLI_addtail(), Object::derivedFinal, PartDeflect::forcefield, Object::imat, invert_m4_m4(), MEM_callocN(), new_effector_cache(), NULL, Object::obmat, Object::pd, PFIELD_SHAPE_POINTS, PartDeflect::shape, and EffectorWeights::weight.

Referenced by pdInitEffectors().

static void add_particles_to_effectors	(	ListBase **	effectors,
		Scene *	scene,
		EffectorWeights *	weights,
		Object *	ob,
		ParticleSystem *	psys,
		ParticleSystem *	psys_src
	)		[static]

Definition at line 244 of file effect.c.

References BLI_addtail(), ParticleSettings::flag, PartDeflect::forcefield, MEM_callocN(), new_effector_cache(), NULL, ParticleSystem::part, PART_SELF_EFFECT, ParticleSettings::pd, ParticleSettings::pd2, psys_check_enabled(), and EffectorWeights::weight.

Referenced by pdInitEffectors().

EffectorWeights* BKE_add_effector_weights

(

Group *

group

)

[read]

Definition at line 103 of file effect.c.

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

Referenced by cloth_init(), default_particle_settings(), direct_link_modifiers(), direct_link_object(), direct_link_particlesettings(), dynamicPaint_createNewSurface(), sbNew(), and smokeModifier_createType().

int 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 539 of file effect.c.

References add_v3_v3(), BLI_bvhtree_find_nearest(), SurfaceModifierData::bvhtree, CDDM_get_face(), MVert::co, BVHTreeNearest::co, copy_v3_v3(), BVHTreeNearest::dist, SurfaceModifierData::dm, FLT_MAX, BVHTreeNearest::index, mul_v3_fl(), BVHTreeFromMesh::nearest_callback, BVHTreeNearest::no, BVHTreeFromMesh::tree, SurfaceModifierData::v, MFace::v1, MFace::v2, MFace::v3, and MFace::v4.

Referenced by boid_find_ground(), and get_effector_data().

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

Definition at line 819 of file effect.c.

References add_v3_v3(), add_v3_v3v3(), EffectedPoint::ave, BLI_gTurbulence(), 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_strength, fabs(), EffectorData::falloff, PartDeflect::flag, PartDeflect::forcefield, EffectedPoint::loc, madd_v3_v3fl(), MIN2, 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_FORCE, PFIELD_GLOBAL_CO, PFIELD_HARMONIC, PFIELD_LENNARDJ, PFIELD_MAGNET, PFIELD_SHAPE_POINT, PFIELD_TURBULENCE, PFIELD_VORTEX, PFIELD_WIND, pow(), PartDeflect::rng, EffectedPoint::rot, PartDeflect::shape, EffectorData::size, EffectedPoint::size, sqrt(), EffectorData::vec_to_point, EffectorData::vec_to_point2, EffectedPoint::vel, EffectedPoint::vel_to_sec, and wind_func().

Referenced by pdDoEffectors().

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

Definition at line 744 of file effect.c.

References add_v3_v3(), copy_v3_v3(), dot_v3v3(), PartDeflect::f_strength, EffectorData::falloff, PartDeflect::flag, Object::imat, EffectedPoint::loc, madd_v3_v3fl(), mul_m4_v3(), multitex_ext(), EffectorData::nor, TexResult::nor, NULL, EffectorCache::ob, EffectorCache::pd, PFIELD_TEX_2D, PFIELD_TEX_GRAD, PFIELD_TEX_OBJECT, PFIELD_TEX_RGB, TexResult::tb, PartDeflect::tex, PartDeflect::tex_mode, PartDeflect::tex_nabla, TexResult::tg, TexResult::tin, and TexResult::tr.

Referenced by pdDoEffectors().

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

Definition at line 402 of file effect.c.

References PartDeflect::absorption, BLI_bvhtree_ray_cast(), CollisionModifierData::bvhtree, CLAMPIS, ColliderCache::collmd, BVHTreeRayHit::dist, eff_tri_ray_hit(), ListBase::first, PartDeflect::flag, free_collider_cache(), get_collider_cache(), BVHTreeRayHit::index, len(), EffectedPoint::loc, negate_v3_v3(), ColliderCache::next, norm(), normalize_v3(), NULL, EffectorCache::ob, ColliderCache::ob, EffectorCache::pd, Object::pd, PFIELD_VISIBILITY, EffectorCache::scene, and EffectorData::vec_to_point.

Referenced by pdDoEffectors().

static void eff_tri_ray_hit	(	void *	UNUSEDuserData,
		int	UNUSEDindex,
		const BVHTreeRay *	UNUSEDray,
		BVHTreeRayHit *	hit
	)		[static]

Definition at line 394 of file effect.c.

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

Referenced by eff_calc_visibility().

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

Definition at line 499 of file effect.c.

References ABS, EffectorData::distance, dot_v3v3(), 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, saacos(), EffectorData::vec_to_point, EffectorData::vec_to_point2, EffectorWeights::weight, and PartDeflect::zdir.

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

Definition at line 474 of file effect.c.

References pow().

Referenced by falloff_func_dist(), and falloff_func_rad().

static float falloff_func_dist	(	PartDeflect *	pd,
		float	fac
	)		[static]

Definition at line 489 of file effect.c.

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

Referenced by effector_falloff().

static float falloff_func_rad	(	PartDeflect *	pd,
		float	fac
	)		[static]

Definition at line 494 of file effect.c.

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

Referenced by effector_falloff().

void free_partdeflect

(

PartDeflect *

pd

)

Definition at line 158 of file effect.c.

References Tex::id, MEM_freeN(), PartDeflect::rng, rng_free(), PartDeflect::tex, and ID::us.

Referenced by free_object(), and psys_free_settings().

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

Definition at line 571 of file effect.c.

References add_v3_v3(), add_v3_v3v3(), RenderData::cfra, closest_point_on_surface(), ParticleKey::co, copy_v3_v3(), Object::derivedFinal, EffectorData::distance, PartDeflect::f_size, EffectorCache::flag, PartDeflect::forcefield, DerivedMesh::getVertCo, DerivedMesh::getVertNo, EffectedPoint::index, EffectorData::index, len_v3(), EffectorData::loc, EffectedPoint::loc, mul_m4_v3(), mul_mat3_m4_v3(), mul_qt_v3(), mul_v3_fl(), EffectorData::nor, EffectorData::nor2, normalize_v3(), normalize_v3_v3(), NULL, EffectorCache::ob, ParticleSimulationData::ob, Object::obmat, ParticleSystem::particles, EffectorCache::pd, PE_USE_NORMAL_DATA, PFIELD_HARMONIC, PFIELD_SHAPE_PLANE, PFIELD_SHAPE_POINTS, PFIELD_SHAPE_SURFACE, PFIELD_VORTEX, project_v3_v3v3(), ParticleSimulationData::psys, EffectedPoint::psys, EffectorCache::psys, psys_get_particle_state(), Scene::r, ParticleKey::rot, EffectorCache::scene, ParticleSimulationData::scene, PartDeflect::shape, EffectorData::size, ParticleData::size, state, sub_v3_v3v3(), EffectorCache::surmd, ParticleKey::time, EffectorData::vec_to_point, EffectorData::vec_to_point2, EffectorData::vel, ParticleKey::vel, EffectedPoint::vel, EffectedPoint::vel_to_frame, and EffectorCache::velocity.

Referenced by pdDoEffectors(), and rule_goal_avoid().

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

Definition at line 698 of file effect.c.

References EffectorData::charge, Object::derivedFinal, ParticleSettings::effector_amount, PartDeflect::f_strength, PartDeflect::flag, PartDeflect::forcefield, EffectedPoint::index, EffectorData::index, DerivedMesh::numVertData, EffectorCache::ob, p, ParticleSystem::part, EffectorCache::pd, PFIELD_CHARGE, PFIELD_HARMONIC, PFIELD_MULTIPLE_SPRINGS, PFIELD_SHAPE_POINTS, EffectorCache::psys, PartDeflect::shape, and ParticleSystem::totpart.

Referenced by pdDoEffectors().

static EffectorCache* new_effector_cache	(	Scene *	scene,
		Object *	ob,
		ParticleSystem *	psys,
		PartDeflect *	pd
	)		[static]

Definition at line 211 of file effect.c.

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

Referenced by add_object_to_effectors(), and add_particles_to_effectors().

PartDeflect* object_add_collision_fields

(

int

type

)

[read]

Definition at line 117 of file effect.c.

References PartDeflect::f_damp, PartDeflect::f_flow, PartDeflect::f_size, PartDeflect::f_strength, PartDeflect::flag, PartDeflect::forcefield, MEM_callocN(), PartDeflect::pdef_sbdamp, PartDeflect::pdef_sbift, PartDeflect::pdef_sboft, PFIELD_DO_LOCATION, PFIELD_DO_ROTATION, PFIELD_SHAPE_PLANE, PFIELD_TEXTURE, PFIELD_VORTEX, PFIELD_WIND, PIL_check_seconds_timer(), PartDeflect::seed, PartDeflect::shape, and UndoElem::type.

Referenced by ED_object_modifier_add(), effector_add_type(), and forcefield_toggle_exec().

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

Definition at line 358 of file effect.c.

References EffectedPoint::ave, EffectedPoint::flag, RenderData::frs_sec, EffectedPoint::index, EffectedPoint::loc, NULL, 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 dynamicPaint_prepareEffectStep().

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

Definition at line 328 of file effect.c.

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

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

Definition at line 373 of file effect.c.

References EffectedPoint::ave, EffectedPoint::flag, RenderData::frs_sec, EffectedPoint::index, EffectedPoint::loc, NULL, 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(), _softbody_calc_forces_slice_in_a_thread(), and softbody_calc_forces().

void pdDoEffectors	(	ListBase *	effectors,
		ListBase *	colliders,
		EffectorWeights *	weights,
		EffectedPoint *	point,
		float *	force,
		float *	impulse
	)

Definition at line 958 of file effect.c.

References add_v3_v3v3(), copy_v3_v3(), do_physical_effector(), do_texture_effector(), eff_calc_visibility(), effector_falloff(), EffectorData::falloff, ListBase::first, EffectorCache::flag, EffectedPoint::flag, PartDeflect::forcefield, get_effector_data(), get_effector_tot(), EffectorCache::next, p, EffectorCache::pd, 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(), dynamicPaint_prepareEffectStep(), and softbody_calc_forces().

void pdEndEffectors

(

ListBase **

effectors

)

Definition at line 311 of file effect.c.

References BLI_freelistN(), EffectorCache::guide_data, MEM_freeN(), EffectorCache::next, and NULL.

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

ListBase* pdInitEffectors	(	Scene *	scene,
		Object *	ob_src,
		ParticleSystem *	psys_src,
		EffectorWeights *	weights
	)		[read]

Definition at line 270 of file effect.c.

References add_object_to_effectors(), add_particles_to_effectors(), Scene::base, ListBase::first, PartDeflect::forcefield, Group::gobject, EffectorWeights::group, Base::lay, Object::lay, Base::next, ParticleSystem::next, GroupObject::next, NULL, GroupObject::ob, Base::object, Object::particlesystem, and Object::pd.

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

static void precalculate_effector

(

EffectorCache *

eff

)

[static]

Definition at line 172 of file effect.c.

References RenderData::cfra, copy_v3_v3(), CU_PATH, Object::data, Path::data, eModifierType_Surface, Curve::flag, EffectorCache::flag, PartDeflect::forcefield, EffectorCache::guide_dir, EffectorCache::guide_loc, EffectorCache::guide_radius, makeDispListCurveTypes(), modifiers_findByType(), mul_m4_v3(), mul_mat3_m4_v3(), NULL, EffectorCache::ob, OB_CURVE, Object::obmat, Curve::path, EffectorCache::pd, PE_USE_NORMAL_DATA, PFIELD_GUIDE, PFIELD_SHAPE_SURFACE, EffectorCache::psys, psys_update_particle_tree(), Scene::r, PartDeflect::rng, rng_new(), rng_srandom(), EffectorCache::scene, PartDeflect::seed, PartDeflect::shape, sub_v3_v3v3(), EffectorCache::surmd, Object::type, EffectorCache::velocity, where_is_object_time(), and where_on_path().

Referenced by new_effector_cache().

static float wind_func	(	struct RNG *	rng,
		float	strength
	)		[static]

Definition at line 457 of file effect.c.

References random(), rng_getFloat(), rng_getInt(), and TNT::sign().

Referenced by do_physical_effector().