#include <stdlib.h>
#include <math.h>
#include <string.h>
#include "MEM_guardedalloc.h"
#include "DNA_curve_types.h"
#include "DNA_group_types.h"
#include "DNA_key_types.h"
#include "DNA_material_types.h"
#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_particle_types.h"
#include "DNA_smoke_types.h"
#include "DNA_scene_types.h"
#include "DNA_dynamicpaint_types.h"
#include "BLI_blenlib.h"
#include "BLI_math.h"
#include "BLI_utildefines.h"
#include "BLI_kdtree.h"
#include "BLI_rand.h"
#include "BLI_threads.h"
#include "BLI_linklist.h"
#include "BLI_bpath.h"
#include "BKE_anim.h"
#include "BKE_animsys.h"
#include "BKE_boids.h"
#include "BKE_cloth.h"
#include "BKE_effect.h"
#include "BKE_global.h"
#include "BKE_group.h"
#include "BKE_main.h"
#include "BKE_lattice.h"
#include "BKE_displist.h"
#include "BKE_particle.h"
#include "BKE_object.h"
#include "BKE_material.h"
#include "BKE_key.h"
#include "BKE_library.h"
#include "BKE_depsgraph.h"
#include "BKE_modifier.h"
#include "BKE_mesh.h"
#include "BKE_cdderivedmesh.h"
#include "BKE_pointcache.h"
#include "BKE_scene.h"
#include "BKE_deform.h"
#include "RE_render_ext.h"

Classes
struct	ParticleRenderElem
struct	ParticleRenderData
struct	ParticleInterpolationData
Defines
#define	PATH_CACHE_BUF_SIZE 1024
#define	SET_PARTICLE_TEXTURE(type, pvalue, texfac) if((event & mtex->mapto) & type) {pvalue = texture_value_blend(def, pvalue, value, texfac, blend);}
#define	CLAMP_PARTICLE_TEXTURE_POS(type, pvalue) if(event & type) { if(pvalue < 0.f) pvalue = 1.f+pvalue; CLAMP(pvalue, 0.0f, 1.0f); }
#define	CLAMP_PARTICLE_TEXTURE_POSNEG(type, pvalue) if(event & type) { CLAMP(pvalue, -1.0f, 1.0f); }
Typedefs
typedef struct ParticleRenderElem	ParticleRenderElem
typedef struct ParticleRenderData	ParticleRenderData
typedef struct ParticleInterpolationData	ParticleInterpolationData
Functions
static void	get_child_modifier_parameters (ParticleSettings part, ParticleThreadContext ctx, ChildParticle cpa, short cpa_from, int cpa_num, float cpa_fuv, float orco, ParticleTexture ptex)
static void	do_child_modifiers (ParticleSimulationData sim, ParticleTexture ptex, ParticleKey par, float par_rot, ChildParticle cpa, float orco, float mat[4][4], ParticleKey *state, float t)
int	count_particles (ParticleSystem *psys)
int	count_particles_mod (ParticleSystem *psys, int totgr, int cur)
static ParticleCacheKey **	psys_alloc_path_cache_buffers (ListBase *bufs, int tot, int steps)
static void	psys_free_path_cache_buffers (ParticleCacheKey *cache, ListBase bufs)
ParticleSystem *	psys_get_current (Object *ob)
short	psys_get_current_num (Object *ob)
void	psys_set_current_num (Object *ob, int index)
Object *	psys_find_object (Scene scene, ParticleSystem psys)
Object *	psys_get_lattice (ParticleSimulationData *sim)
void	psys_disable_all (Object *ob)
void	psys_enable_all (Object *ob)
int	psys_in_edit_mode (Scene scene, ParticleSystem psys)
static void	psys_create_frand (ParticleSystem *psys)
int	psys_check_enabled (Object ob, ParticleSystem psys)
int	psys_check_edited (ParticleSystem *psys)
void	psys_check_group_weights (ParticleSettings *part)
int	psys_uses_gravity (ParticleSimulationData *sim)
static void	fluid_free_settings (SPHFluidSettings *fluid)
void	psys_free_settings (ParticleSettings *part)
void	free_hair (Object UNUSED(ob), ParticleSystem psys, int dynamics)
void	free_keyed_keys (ParticleSystem *psys)
static void	free_child_path_cache (ParticleSystem *psys)
void	psys_free_path_cache (ParticleSystem psys, PTCacheEdit edit)
void	psys_free_children (ParticleSystem *psys)
void	psys_free_particles (ParticleSystem *psys)
void	psys_free_pdd (ParticleSystem *psys)
void	psys_free (Object ob, ParticleSystem psys)
static float	psys_render_viewport_falloff (double rate, float dist, float width)
static float	psys_render_projected_area (ParticleSystem psys, const float center[3], float area, double vprate, float viewport)
void	psys_render_set (Object ob, ParticleSystem psys, float viewmat[][4], float winmat[][4], int winx, int winy, int timeoffset)
void	psys_render_restore (Object ob, ParticleSystem psys)
int	psys_render_simplify_distribution (ParticleThreadContext *ctx, int tot)
int	psys_render_simplify_params (ParticleSystem psys, ChildParticle cpa, float *params)
static float	interpolate_particle_value (float v1, float v2, float v3, float v4, const float w[4], int four)
void	psys_interpolate_particle (short type, ParticleKey keys[4], float dt, ParticleKey *result, int velocity)
static void	get_pointcache_keys_for_time (Object UNUSED(ob), PointCache cache, PTCacheMem *cur, int index, float t, ParticleKey key1, ParticleKey *key2)
static int	get_pointcache_times_for_particle (PointCache cache, int index, float start, float *end)
float	psys_get_dietime_from_cache (PointCache *cache, int index)
static void	init_particle_interpolation (Object ob, ParticleSystem psys, ParticleData pa, ParticleInterpolationData pind)
static void	edit_to_particle (ParticleKey key, PTCacheEditKey ekey)
static void	hair_to_particle (ParticleKey key, HairKey hkey)
static void	mvert_to_particle (ParticleKey key, MVert mvert, HairKey *hkey)
static void	do_particle_interpolation (ParticleSystem psys, int p, ParticleData pa, float t, ParticleInterpolationData pind, ParticleKey result)
void	psys_interpolate_face (MVert mvert, MFace mface, MTFace tface, float(orcodata)[3], float w, float vec, float nor, float utan, float vtan, float orco, float *ornor)
void	psys_interpolate_uvs (const MTFace *tface, int quad, const float w[4], float uvco[2])
void	psys_interpolate_mcol (const MCol mcol, int quad, const float w[4], MCol mc)
static float	psys_interpolate_value_from_verts (DerivedMesh dm, short from, int index, const float fw[4], const float values)
static void	psys_w_to_origspace (const float w[4], float uv[2])
static void	psys_origspace_to_w (OrigSpaceFace *osface, int quad, const float w[4], float neww[4])
int	psys_particle_dm_face_lookup (Object ob, DerivedMesh dm, int index, const float fw[4], struct LinkNode *node)
static int	psys_map_index_on_dm (DerivedMesh dm, int from, int index, int index_dmcache, const float fw[4], float UNUSED(foffset), int mapindex, float mapfw[4])
void	psys_particle_on_dm (DerivedMesh *dm, int from, int index, int index_dmcache, const float fw[4], float foffset, float vec[3], float nor[3], float utan[3], float vtan[3], float orco[3], float ornor[3])
float	psys_particle_value_from_verts (DerivedMesh dm, short from, ParticleData pa, float *values)
ParticleSystemModifierData *	psys_get_modifier (Object ob, ParticleSystem psys)
static void	psys_particle_on_shape (int UNUSED(distr), int UNUSED(index), float UNUSED(fuv), float vec, float nor, float utan, float vtan, float orco, float *ornor)
void	psys_particle_on_emitter (ParticleSystemModifierData psmd, int from, int index, int index_dmcache, float fuv, float foffset, float vec, float nor, float utan, float vtan, float orco, float ornor)
static void	do_kink (ParticleKey state, ParticleKey par, float *par_rot, float time, float freq, float shape, float amplitude, float flat, short type, short axis, float obmat[][4], int smooth_start)
static float	do_clump (ParticleKey state, ParticleKey par, float time, float clumpfac, float clumppow, float pa_clump)
void	precalc_guides (ParticleSimulationData sim, ListBase effectors)
int	do_guides (ListBase effectors, ParticleKey state, int index, float time)
static void	do_rough (float loc, float mat[4][4], float t, float fac, float size, float thres, ParticleKey state)
static void	do_rough_end (float loc, float mat[4][4], float t, float fac, float shape, ParticleKey state)
static void	do_path_effectors (ParticleSimulationData sim, int i, ParticleCacheKey ca, int k, int steps, float UNUSED(rootco), float effector, float UNUSED(dfra), float UNUSED(cfra), float length, float *vec)
static int	check_path_length (int k, ParticleCacheKey keys, ParticleCacheKey state, float max_length, float cur_length, float length, float dvec)
static void	offset_child (ChildParticle cpa, ParticleKey par, float par_rot, ParticleKey child, float flat, float radius)
float *	psys_cache_vgroup (DerivedMesh dm, ParticleSystem psys, int vgroup)
void	psys_find_parents (ParticleSimulationData *sim)
static void	get_strand_normal (Material ma, float surfnor, float surfdist, float *nor)
static int	psys_threads_init_path (ParticleThread threads, Scene scene, float cfra, int editupdate)
static void	psys_thread_create_path (ParticleThread thread, struct ChildParticle cpa, ParticleCacheKey *child_keys, int i)
static void *	exec_child_path_cache (void *data)
void	psys_cache_child_paths (ParticleSimulationData *sim, float cfra, int editupdate)
static void	cache_key_incremental_rotation (ParticleCacheKey key0, ParticleCacheKey key1, ParticleCacheKey key2, float prev_tangent, int i)
void	psys_cache_paths (ParticleSimulationData *sim, float cfra)
void	psys_cache_edit_paths (Scene scene, Object ob, PTCacheEdit *edit, float cfra)
void	copy_particle_key (ParticleKey to, ParticleKey from, int time)
void	psys_get_from_key (ParticleKey key, float loc, float vel, float rot, float *time)
static void	triatomat (float v1, float v2, float v3, float(uv)[2], float mat[][4])
static void	psys_face_mat (Object ob, DerivedMesh dm, ParticleData *pa, float mat[][4], int orco)
void	psys_mat_hair_to_object (Object UNUSED(ob), DerivedMesh dm, short from, ParticleData *pa, float hairmat[][4])
void	psys_mat_hair_to_orco (Object ob, DerivedMesh dm, short from, ParticleData *pa, float hairmat[][4])
void	psys_vec_rot_to_face (DerivedMesh dm, ParticleData pa, float *vec)
void	psys_mat_hair_to_global (Object ob, DerivedMesh dm, short from, ParticleData *pa, float hairmat[][4])
ModifierData *	object_add_particle_system (Scene scene, Object ob, const char *name)
void	object_remove_particle_system (Scene scene, Object ob)
static void	default_particle_settings (ParticleSettings *part)
ParticleSettings *	psys_new_settings (const char name, Main main)
ParticleSettings *	psys_copy_settings (ParticleSettings *part)
static void	expand_local_particlesettings (ParticleSettings *part)
void	make_local_particlesettings (ParticleSettings *part)
static int	get_particle_uv (DerivedMesh dm, ParticleData pa, int face_index, const float fuv[4], char name, float texco)
static void	get_cpa_texture (DerivedMesh dm, ParticleSystem psys, ParticleSettings part, ParticleData par, int child_index, int face_index, const float fw[4], float orco, ParticleTexture ptex, int event, float cfra)
void	psys_get_texture (ParticleSimulationData sim, ParticleData pa, ParticleTexture *ptex, int event, float cfra)
float	psys_get_timestep (ParticleSimulationData *sim)
float	psys_get_child_time (ParticleSystem psys, ChildParticle cpa, float cfra, float birthtime, float dietime)
float	psys_get_child_size (ParticleSystem psys, ChildParticle cpa, float UNUSED(cfra), float *UNUSED(pa_time))
void	psys_get_particle_on_path (ParticleSimulationData sim, int p, ParticleKey state, int vel)
int	psys_get_particle_state (ParticleSimulationData sim, int p, ParticleKey state, int always)
void	psys_get_dupli_texture (ParticleSystem psys, ParticleSettings part, ParticleSystemModifierData psmd, ParticleData pa, ChildParticle cpa, float uv, float *orco)
void	psys_get_dupli_path_transform (ParticleSimulationData sim, ParticleData pa, ChildParticle cpa, ParticleCacheKey cache, float mat[][4], float *scale)
void	psys_make_billboard (ParticleBillboardData *bb, float xvec[3], float yvec[3], float zvec[3], float center[3])
void	psys_apply_hair_lattice (Scene scene, Object ob, ParticleSystem *psys)

Detailed Description

Definition in file particle.c.

Define Documentation

#define CLAMP_PARTICLE_TEXTURE_POS	(	type,
		pvalue
	)	if(event & type) { if(pvalue < 0.f) pvalue = 1.f+pvalue; CLAMP(pvalue, 0.0f, 1.0f); }

Definition at line 3708 of file particle.c.

Referenced by get_cpa_texture(), and psys_get_texture().

#define CLAMP_PARTICLE_TEXTURE_POSNEG	(	type,
		pvalue
	)	if(event & type) { CLAMP(pvalue, -1.0f, 1.0f); }

Definition at line 3709 of file particle.c.

Referenced by psys_get_texture().

#define PATH_CACHE_BUF_SIZE 1024

Definition at line 122 of file particle.c.

Referenced by psys_alloc_path_cache_buffers().

#define SET_PARTICLE_TEXTURE	(	type,
		pvalue,
		texfac
	)	if((event & mtex->mapto) & type) {pvalue = texture_value_blend(def, pvalue, value, texfac, blend);}

Definition at line 3707 of file particle.c.

Referenced by get_cpa_texture(), and psys_get_texture().

Typedef Documentation

typedef struct ParticleInterpolationData ParticleInterpolationData

typedef struct ParticleRenderData ParticleRenderData

typedef struct ParticleRenderElem ParticleRenderElem

Function Documentation

static void cache_key_incremental_rotation	(	ParticleCacheKey *	key0,
		ParticleCacheKey *	key1,
		ParticleCacheKey *	key2,
		float *	prev_tangent,
		int	i
	)		`[static]`

Definition at line 2808 of file particle.c.

References angle(), axis_angle_to_quat(), ParticleCacheKey::co, copy_v3_v3(), copy_v4_v4(), cross_v3_v3v3(), dot_v3v3(), mul_qt_qtqt(), normalize_v3(), ParticleCacheKey::rot, saacos(), sub_v3_v3v3(), and unit_qt().

Referenced by psys_cache_edit_paths().

static int check_path_length	(	int	k,
		ParticleCacheKey *	keys,
		ParticleCacheKey *	state,
		float	max_length,
		float *	cur_length,
		float	length,
		float *	dvec
	)		`[static]`

Definition at line 2257 of file particle.c.

References add_v3_v3v3(), ParticleCacheKey::co, length(), mul_v3_fl(), and ParticleCacheKey::steps.

Referenced by psys_thread_create_path().

void copy_particle_key	(	ParticleKey *	to,
		ParticleKey *	from,
		int	time
	)

Definition at line 3240 of file particle.c.

References ParticleKey::time.

Referenced by boid_body(), do_particle_interpolation(), dynamics_step(), get_pointcache_keys_for_time(), integrate_particle(), psys_get_particle_on_path(), psys_get_particle_state(), set_keyed_keys(), and sph_integrate().

int count_particles ( ParticleSystem * psys )

Definition at line 93 of file particle.c.

References ParticleSettings::flag, LOOP_SHOWN_PARTICLES, PARS_DEAD, PARS_UNBORN, ParticleSystem::part, PART_DIED, PART_UNBORN, and PARTICLE_P.

Referenced by stats_dupli_object().

int count_particles_mod	(	ParticleSystem *	psys,
		int	totgr,
		int	cur
	)

Definition at line 106 of file particle.c.

References ParticleSettings::flag, LOOP_SHOWN_PARTICLES, p, PARS_DEAD, PARS_UNBORN, ParticleSystem::part, PART_DIED, PART_UNBORN, and PARTICLE_P.

Referenced by stats_dupli_object().

static void default_particle_settings ( ParticleSettings * part ) [static]

Definition at line 3478 of file particle.c.

Referenced by psys_new_settings().

static void do_child_modifiers	(	ParticleSimulationData *	sim,
		ParticleTexture *	ptex,
		ParticleKey *	par,
		float *	par_rot,
		ChildParticle *	cpa,
		float *	orco,
		float	mat[4][4],
		ParticleKey *	state,
		float	t
	)		`[static]`

Definition at line 3940 of file particle.c.

Referenced by psys_get_particle_on_path(), psys_get_particle_state(), and psys_thread_create_path().

static float do_clump	(	ParticleKey *	state,
		ParticleKey *	par,
		float	time,
		float	clumpfac,
		float	clumppow,
		float	pa_clump
	)		`[static]`

Definition at line 2032 of file particle.c.

References ParticleKey::co, interp_v3_v3v3(), and pow().

Referenced by do_child_modifiers(), and do_guides().

int do_guides	(	ListBase *	effectors,
		ParticleKey *	state,
		int	index,
		float	time
	)

Definition at line 2094 of file particle.c.

References add_v3_v3(), angle(), axis_angle_to_quat(), calc_taper(), CLAMP(), PartDeflect::clump_fac, PartDeflect::clump_pow, ParticleKey::co, copy_v3_v3(), cross_v3_v3v3(), CU_PATH_RADIUS, Object::data, data, do_clump(), do_kink(), dot_v3v3(), ListBase::first, Curve::flag, PartDeflect::flag, PartDeflect::forcefield, PartDeflect::free_end, EffectorCache::guide_data, EffectorCache::guide_dir, EffectorCache::guide_loc, interp_v3_v3v3(), PartDeflect::kink, PartDeflect::kink_amp, PartDeflect::kink_axis, PartDeflect::kink_freq, PartDeflect::kink_shape, len_v3(), madd_v3_v3fl(), mul_m4_v3(), mul_mat3_m4_v3(), mul_qt_v3(), mul_v3_fl(), EffectorCache::next, normalize_v3(), NULL, EffectorCache::ob, Object::obmat, EffectorCache::pd, PFIELD_GUIDE, PFIELD_GUIDE_PATH_ADD, PFIELD_GUIDE_PATH_WEIGHT, saacos(), EffectorCache::scene, GuideEffectorData::strength, Curve::taperobj, GuideEffectorData::vec_to_point, ParticleKey::vel, and where_on_path().

Referenced by basic_integrate(), do_child_modifiers(), and psys_get_particle_on_path().

static void do_kink	(	ParticleKey *	state,
		ParticleKey *	par,
		float *	par_rot,
		float	time,
		float	freq,
		float	shape,
		float	amplitude,
		float	flat,
		short	type,
		short	axis,
		float	obmat[][4],
		int	smooth_start
	)		`[static]`

Definition at line 1858 of file particle.c.

References add_v3_v3(), add_v3_v3v3(), axis_angle_to_quat(), CLAMP(), ParticleKey::co, copy_v3_v3(), cos(), dot_v3v3(), fabs(), interp_v3_v3v3(), length(), M_PI, madd_v3_v3fl(), MIN2, mul_mat3_m4_v3(), mul_qt_v3(), mul_v3_fl(), mul_v3_v3fl(), negate_v3(), normalize_v3(), normalize_v3_v3(), NULL, PART_KINK_BRAID, PART_KINK_CURL, PART_KINK_NO, PART_KINK_RADIAL, PART_KINK_WAVE, pow(), project_v3_v3v3(), sin(), sqrt(), sub_v3_v3(), sub_v3_v3v3(), and ParticleKey::vel.

Referenced by do_child_modifiers(), and do_guides().

static void do_particle_interpolation	(	ParticleSystem *	psys,
		int	p,
		ParticleData *	pa,
		float	t,
		ParticleInterpolationData *	pind,
		ParticleKey *	result
	)		`[static]`

Definition at line 1206 of file particle.c.

Referenced by psys_cache_edit_paths(), and psys_get_particle_on_path().

static void do_path_effectors	(	ParticleSimulationData *	sim,
		int	i,
		ParticleCacheKey *	ca,
		int	k,
		int	steps,
		float *	UNUSEDrootco,
		float	effector,
		float	UNUSEDdfra,
		float	UNUSEDcfra,
		float *	length,
		float *	vec
	)		`[static]`

static void do_rough	(	float *	loc,
		float	mat[4][4],
		float	t,
		float	fac,
		float	size,
		float	thres,
		ParticleKey *	state
	)		`[static]`

Definition at line 2194 of file particle.c.

References BLI_gTurbulence(), ParticleKey::co, copy_v3_v3(), fabs(), madd_v3_v3fl(), and mul_v3_fl().

Referenced by do_child_modifiers().

static void do_rough_end	(	float *	loc,
		float	mat[4][4],
		float	t,
		float	fac,
		float	shape,
		ParticleKey *	state
	)		`[static]`

Definition at line 2212 of file particle.c.

References ParticleKey::co, copy_v2_v2(), madd_v3_v3fl(), mul_v2_fl(), and pow().

Referenced by do_child_modifiers().

static void edit_to_particle	(	ParticleKey *	key,
		PTCacheEditKey *	ekey
	)		`[static]`

Definition at line 1186 of file particle.c.

References PTCacheEditKey::co, ParticleKey::co, copy_v3_v3(), PTCacheEditKey::time, ParticleKey::time, ParticleKey::vel, and PTCacheEditKey::vel.

Referenced by do_particle_interpolation().

static void* exec_child_path_cache ( void * data ) [static]

Definition at line 2724 of file particle.c.

References ParticleSystem::child, ParticleSystem::childcache, ParticleThread::ctx, i, ParticleThread::num, ParticleThreadContext::parent_pass, ParticleSimulationData::psys, psys_thread_create_path(), ParticleThreadContext::sim, ParticleThread::tot, ParticleThreadContext::totchild, and ParticleThreadContext::totparent.

Referenced by psys_cache_child_paths().

static void expand_local_particlesettings ( ParticleSettings * part ) [static]

Definition at line 3598 of file particle.c.

References ParticleSettings::dup_group, i, id_lib_extern(), MAX_MTEX, ParticleSettings::mtex, and MTex::tex.

Referenced by make_local_particlesettings().

static void fluid_free_settings ( SPHFluidSettings * fluid ) [static]

Definition at line 362 of file particle.c.

References MEM_freeN().

Referenced by psys_free_settings().

static void free_child_path_cache ( ParticleSystem * psys ) [static]

Definition at line 446 of file particle.c.

References ParticleSystem::childcache, ParticleSystem::childcachebufs, NULL, psys_free_path_cache_buffers(), and ParticleSystem::totchildcache.

Referenced by psys_cache_child_paths(), psys_free_children(), and psys_free_path_cache().

void free_hair	(	Object *	UNUSEDob,
		ParticleSystem *	psys,
		int	dynamics
	)

void free_keyed_keys ( ParticleSystem * psys )

Definition at line 428 of file particle.c.

References ParticleData::keys, LOOP_PARTICLES, MEM_freeN(), NULL, ParticleSystem::part, PART_HAIR, PARTICLE_P, ParticleSystem::particles, and ParticleSettings::type.

Referenced by particle_system_update(), psys_prepare_physics(), and set_keyed_keys().

static void get_child_modifier_parameters	(	ParticleSettings *	part,
		ParticleThreadContext *	ctx,
		ChildParticle *	cpa,
		short	cpa_from,
		int	cpa_num,
		float *	cpa_fuv,
		float *	orco,
		ParticleTexture *	ptex
	)		`[static]`

Definition at line 3914 of file particle.c.

References ParticleSystem::cfra, ParticleSystem::child, ParticleTexture::clump, ParticleThreadContext::dm, ParticleTexture::effector, ParticleTexture::exist, get_cpa_texture(), ParticleTexture::kink, ParticleTexture::length, ChildParticle::pa, PAMAP_CHILD, PAMAP_DENS, ParticleSystem::particles, ParticleSimulationData::psys, PSYS_FRAND, psys_interpolate_value_from_verts(), ParticleTexture::rough1, ParticleTexture::rough2, ParticleTexture::roughe, ParticleThreadContext::sim, ParticleThreadContext::vg_clump, ParticleThreadContext::vg_effector, ParticleThreadContext::vg_kink, ParticleThreadContext::vg_length, ParticleThreadContext::vg_rough1, ParticleThreadContext::vg_rough2, and ParticleThreadContext::vg_roughe.

Referenced by psys_get_particle_on_path(), and psys_thread_create_path().

static void get_cpa_texture	(	DerivedMesh *	dm,
		ParticleSystem *	psys,
		ParticleSettings *	part,
		ParticleData *	par,
		int	child_index,
		int	face_index,
		const float	fw[4],
		float *	orco,
		ParticleTexture *	ptex,
		int	event,
		float	cfra
	)		`[static]`

Definition at line 3711 of file particle.c.

References blend(), MTex::blendtype, CLAMP_PARTICLE_TEXTURE_POS, ParticleSettings::clength, ParticleSettings::clength_thres, ParticleTexture::clump, MTex::clumpfac, ParticleKey::co, copy_v3_v3(), ParticleTexture::damp, MTex::def_var, ParticleData::dietime, ParticleSettings::distr, ParticleTexture::effector, ELEM, ParticleTexture::exist, externtex(), ParticleTexture::field, ParticleSettings::from, get_particle_uv(), ParticleTexture::gravity, Object::imat, ParticleTexture::ivel, ParticleTexture::kink, MTex::kinkfac, ParticleTexture::length, MTex::lengthfac, ParticleTexture::life, MTex::mapto, MAX_MTEX, ParticleSettings::mtex, mul_m4_v3(), NULL, MTex::object, MTex::padensfac, PAMAP_CLUMP, PAMAP_DENS, PAMAP_KINK, PAMAP_LENGTH, PAMAP_ROUGH, PART_DISTR_GRID, PART_FROM_FACE, PART_FROM_VOLUME, PSYS_FRAND, ParticleSettings::randlength, ParticleTexture::rough1, ParticleTexture::rough2, ParticleTexture::roughe, MTex::roughfac, SET_PARTICLE_TEXTURE, ParticleTexture::size, ParticleData::state, MTex::texco, TEXCO_GLOB, TEXCO_OBJECT, TEXCO_ORCO, TEXCO_PARTICLE, TEXCO_UV, texture_value_blend(), ParticleData::time, ParticleTexture::time, and MTex::uvname.

Referenced by get_child_modifier_parameters().

static int get_particle_uv	(	DerivedMesh *	dm,
		ParticleData *	pa,
		int	face_index,
		const float	fuv[4],
		char *	name,
		float *	texco
	)		`[static]`

Definition at line 3667 of file particle.c.

References CD_MFACE, CD_MTFACE, CustomData_get_layer(), CustomData_get_layer_named(), DMCACHE_NOTFOUND, DerivedMesh::faceData, DerivedMesh::getFaceData, DerivedMesh::getNumFaces, i, NULL, ParticleData::num, ParticleData::num_dmcache, psys_interpolate_uvs(), and MFace::v4.

Referenced by get_cpa_texture(), and psys_get_texture().

static void get_pointcache_keys_for_time	(	Object *	UNUSEDob,
		PointCache *	cache,
		PTCacheMem **	cur,
		int	index,
		float	t,
		ParticleKey *	key1,
		ParticleKey *	key2
	)		`[static]`

Definition at line 1069 of file particle.c.

References BKE_ptcache_make_particle_key(), BKE_ptcache_mem_index_find(), copy_particle_key(), PTCacheMem::data, ListBase::first, PTCacheMem::frame, PointCache::mem_cache, PTCacheMem::next, NULL, and PTCacheMem::prev.

Referenced by do_particle_interpolation(), and init_particle_interpolation().

static int get_pointcache_times_for_particle	(	PointCache *	cache,
		int	index,
		float *	start,
		float *	end
	)		`[static]`

Definition at line 1104 of file particle.c.

References BKE_ptcache_mem_index_find(), ListBase::first, PTCacheMem::frame, ListBase::last, PointCache::mem_cache, PTCacheMem::next, and PTCacheMem::prev.

Referenced by init_particle_interpolation().

static void get_strand_normal	(	Material *	ma,
		float *	surfnor,
		float	surfdist,
		float *	nor
	)		`[static]`

Definition at line 2344 of file particle.c.

References blend(), CLAMP(), copy_v3_v3(), cross(), cross_v3_v3v3(), INPR, interp_v3_v3v3(), MA_STR_SURFDIFF, Material::mode, normalize_v3(), and Material::strand_surfnor.

Referenced by psys_thread_create_path().

static void hair_to_particle	(	ParticleKey *	key,
		HairKey *	hkey
	)		`[static]`

Definition at line 1194 of file particle.c.

References HairKey::co, ParticleKey::co, copy_v3_v3(), HairKey::time, and ParticleKey::time.

Referenced by do_particle_interpolation().

static void init_particle_interpolation	(	Object *	ob,
		ParticleSystem *	psys,
		ParticleData *	pa,
		ParticleInterpolationData *	pind
	)		`[static]`

Definition at line 1141 of file particle.c.

Referenced by psys_cache_edit_paths(), and psys_get_particle_on_path().

static float interpolate_particle_value	(	float	v1,
		float	v2,
		float	v3,
		float	v4,
		const float	w[4],
		int	four
	)		`[static]`

Definition at line 1005 of file particle.c.

References CLAMP().

Referenced by psys_interpolate_value_from_verts().

void make_local_particlesettings ( ParticleSettings * part )

Definition at line 3608 of file particle.c.

References BKE_id_lib_local_paths(), ELEM, expand_local_particlesettings(), FALSE, ListBase::first, G, Object::id, ParticleSettings::id, id_clear_lib_data(), ID::lib, ParticleSystem::next, ID::next, Main::object, ParticleSystem::part, Object::particlesystem, psys_copy_settings(), TRUE, and ID::us.

Referenced by id_make_local().

static void mvert_to_particle	(	ParticleKey *	key,
		MVert *	mvert,
		HairKey *	hkey
	)		`[static]`

Definition at line 1200 of file particle.c.

References MVert::co, ParticleKey::co, copy_v3_v3(), HairKey::time, and ParticleKey::time.

Referenced by do_particle_interpolation().

ModifierData* object_add_particle_system	(	Scene *	scene,
		Object *	ob,
		const char *	name
	)		`[read]`

void object_remove_particle_system	(	Scene *	scene,
		Object *	ob
	)

static void offset_child	(	ChildParticle *	cpa,
		ParticleKey *	par,
		float *	par_rot,
		ParticleKey *	child,
		float	flat,
		float	radius
	)		`[static]`

Definition at line 2271 of file particle.c.

References add_v3_v3(), ParticleKey::co, copy_qt_qt(), copy_v3_v3(), ChildParticle::fuv, mul_qt_v3(), mul_v3_fl(), ParticleKey::rot, unit_qt(), and ParticleKey::vel.

Referenced by psys_get_particle_on_path(), psys_get_particle_state(), and psys_thread_create_path().

void precalc_guides	(	ParticleSimulationData *	sim,
		ListBase *	effectors
	)

Definition at line 2054 of file particle.c.

References ParticleKey::co, copy_v3_v3(), data, EffectorData::distance, effector_falloff(), ParticleSettings::effector_weights, ListBase::first, PartDeflect::forcefield, ParticleSettings::from, EffectorCache::guide_data, EffectorCache::guide_dir, EffectorCache::guide_loc, len_v3(), LOOP_PARTICLES, MEM_callocN(), mul_m4_v3(), mul_mat3_m4_v3(), EffectorCache::next, EffectorData::nor, ParticleSimulationData::ob, Object::obmat, p, ParticleSystem::part, PARTICLE_P, EffectorCache::pd, pd_point_from_particle(), PFIELD_GUIDE, ParticleSimulationData::psmd, ParticleSimulationData::psys, psys_particle_on_emitter(), state, GuideEffectorData::strength, sub_v3_v3v3(), ParticleSystem::totpart, GuideEffectorData::vec_to_point, EffectorData::vec_to_point, and ParticleKey::vel.

Referenced by psys_update_effectors().

static ParticleCacheKey** psys_alloc_path_cache_buffers	(	ListBase *	bufs,
		int	tot,
		int	steps
	)		`[static]`

Definition at line 124 of file particle.c.

References BLI_addtail(), LinkData::data, i, MAX2, MEM_callocN(), MIN2, and PATH_CACHE_BUF_SIZE.

Referenced by psys_cache_child_paths(), and psys_cache_edit_paths().

void psys_apply_hair_lattice	(	Scene *	scene,
		Object *	ob,
		ParticleSystem *	psys
	)

void psys_cache_child_paths	(	ParticleSimulationData *	sim,
		float	cfra,
		int	editupdate
	)

void psys_cache_edit_paths	(	Scene *	scene,
		Object *	ob,
		PTCacheEdit *	edit,
		float	cfra
	)

Definition at line 3036 of file particle.c.

Referenced by draw_update_ptcache_edit(), PE_update_object(), and PE_update_selection().

void psys_cache_paths	(	ParticleSimulationData *	sim,
		float	cfra
	)

Definition at line 2848 of file particle.c.

References ParticleSystem::flag, ParticleSystem::hair_out_dm, NULL, ParticleSystem::part, PART_HAIR, ToolSettings::particle, PARTICLE_P, PARTICLE_PSMD, ParticleSimulationData::psys, PSYS_HAIR_DYNAMICS, ParticleSimulationData::scene, Scene::toolsettings, and ParticleSettings::type.

Referenced by psys_update_path_cache().

float* psys_cache_vgroup	(	DerivedMesh *	dm,
		ParticleSystem *	psys,
		int	vgroup
	)

Definition at line 2289 of file particle.c.

References CD_MDEFORMVERT, defvert_find_weight(), DerivedMesh::getNumVerts, DerivedMesh::getVertDataArray, i, MEM_callocN(), ParticleSystem::vg_neg, and ParticleSystem::vgroup.

Referenced by distribute_threads_init_data(), and psys_threads_init_path().

int psys_check_edited ( ParticleSystem * psys )

Definition at line 293 of file particle.c.

References PointCache::edit, ParticleSystem::edit, PTCacheEdit::edited, ParticleSystem::flag, ParticleSystem::part, PART_HAIR, ParticleSystem::pointcache, PSYS_EDITED, and ParticleSettings::type.

int psys_check_enabled	(	Object *	ob,
		ParticleSystem *	psys
	)

void psys_check_group_weights ( ParticleSettings * part )

Definition at line 301 of file particle.c.

References BLI_addtail(), BLI_freelinkN(), BLI_freelistN(), ParticleDupliWeight::count, ParticleSettings::dup_group, ParticleSettings::dupliweights, ListBase::first, ParticleDupliWeight::flag, Group::gobject, MEM_callocN(), GroupObject::next, ParticleDupliWeight::next, GroupObject::ob, ParticleDupliWeight::ob, object_in_group(), PART_DRAW_GR, PART_DUPLIW_CURRENT, and ParticleSettings::ren_as.

Referenced by new_particle_duplilist().

ParticleSettings* psys_copy_settings ( ParticleSettings * part ) [read]

Definition at line 3572 of file particle.c.

References BLI_duplicatelist(), boid_copy_settings(), ParticleSettings::boids, copy_libblock(), ParticleSettings::dupliweights, ParticleSettings::effector_weights, ParticleSettings::fluid, ParticleSettings::id, id_us_plus(), MAX_MTEX, MEM_dupallocN(), MEM_mallocN(), ParticleSettings::mtex, ParticleSettings::pd, ParticleSettings::pd2, and MTex::tex.

Referenced by id_copy(), make_local_particlesettings(), new_particle_settings_exec(), and object_add_duplicate_internal().

static void psys_create_frand ( ParticleSystem * psys ) [static]

Definition at line 257 of file particle.c.

References BLI_frand(), BLI_srandom(), ParticleSystem::frand, i, MEM_callocN(), PSYS_FRAND_COUNT, and ParticleSystem::seed.

Referenced by psys_check_enabled().

void psys_disable_all ( Object * ob )

Definition at line 239 of file particle.c.

References ListBase::first, ParticleSystem::flag, ParticleSystem::next, Object::particlesystem, and PSYS_DISABLED.

Referenced by particle_intersect_dm().

void psys_enable_all ( Object * ob )

Definition at line 246 of file particle.c.

References ListBase::first, ParticleSystem::flag, ParticleSystem::next, Object::particlesystem, and PSYS_DISABLED.

Referenced by particle_intersect_dm().

static void psys_face_mat	(	Object *	ob,
		DerivedMesh *	dm,
		ParticleData *	pa,
		float	mat[][4],
		int	orco
	)		`[static]`

Definition at line 3316 of file particle.c.

References CD_MFACE, CD_ORCO, CD_ORIGINDEX, CD_ORIGSPACE, copy_v3_v3(), Object::data, DM_get_vert_data_layer(), DMCACHE_NOTFOUND, DerivedMesh::getFaceData, DerivedMesh::getNumFaces, DerivedMesh::getVertCo, DerivedMesh::getVertDataArray, NULL, ParticleData::num, ParticleData::num_dmcache, transform_mesh_orco_verts(), triatomat(), unit_m4(), OrigSpaceFace::uv, MFace::v1, MFace::v2, and MFace::v3.

Referenced by psys_mat_hair_to_object(), psys_mat_hair_to_orco(), and psys_vec_rot_to_face().

Object* psys_find_object	(	Scene *	scene,
		ParticleSystem *	psys
	)		`[read]`

Definition at line 204 of file particle.c.

References Scene::base, ListBase::first, ParticleSystem::next, Base::next, NULL, Base::object, and Object::particlesystem.

void psys_find_parents ( ParticleSimulationData * sim )

void psys_free	(	Object *	ob,
		ParticleSystem *	psys
	)

Definition at line 524 of file particle.c.

References BKE_ptcache_free_list(), BLI_bvhtree_free(), BLI_freelistN(), BLI_kdtree_free(), ParticleSystem::bvhtree, ParticleSystem::child, ParticleSystem::edit, ParticleSystem::effectors, ELEM, ListBase::first, ParticleSystem::fluid_springs, ParticleSystem::frand, ParticleSystem::free_edit, free_hair(), ParticleSettings::id, MEM_freeN(), ParticleSystem::next, NULL, OB_DUPLIPARTS, ParticleSystem::part, PART_DRAW_GR, PART_DRAW_OB, Object::particlesystem, ParticleSystem::pdd, pdEndEffectors(), ParticleSystem::pointcache, psys_free_particles(), psys_free_path_cache(), psys_free_pdd(), ParticleSystem::ptcaches, ParticleSettings::ren_as, ParticleSystem::targets, ParticleSystem::totchild, Object::transflag, ParticleSystem::tree, and ID::us.

Referenced by object_free_particlesystems(), object_handle_update(), object_modifier_remove(), and object_remove_particle_system().

void psys_free_children ( ParticleSystem * psys )

Definition at line 467 of file particle.c.

References ParticleSystem::child, free_child_path_cache(), MEM_freeN(), NULL, and ParticleSystem::totchild.

Referenced by psys_update_path_cache(), and update_children().

void psys_free_particles ( ParticleSystem * psys )

Definition at line 477 of file particle.c.

References ParticleData::boid, ParticleData::keys, LOOP_PARTICLES, MEM_freeN(), NULL, ParticleSystem::part, PART_HAIR, PARTICLE_P, ParticleSystem::particles, ParticleSystem::totpart, and ParticleSettings::type.

Referenced by psys_free(), and psys_reset().

void psys_free_path_cache	(	ParticleSystem *	psys,
		PTCacheEdit *	edit
	)

Definition at line 452 of file particle.c.

References free_child_path_cache(), NULL, ParticleSystem::pathcache, PTCacheEdit::pathcache, ParticleSystem::pathcachebufs, PTCacheEdit::pathcachebufs, psys_free_path_cache_buffers(), ParticleSystem::totcached, and PTCacheEdit::totcached.

Referenced by brush_edit_apply(), connect_hair(), disconnect_hair(), particle_system_update(), PE_free_ptcache_edit(), psys_cache_edit_paths(), psys_free(), psys_render_restore(), psys_reset(), and psys_update_path_cache().

static void psys_free_path_cache_buffers	(	ParticleCacheKey **	cache,
		ListBase *	bufs
	)		`[static]`

Definition at line 149 of file particle.c.

References BLI_freelistN(), LinkData::data, ListBase::first, MEM_freeN(), and LinkData::next.

Referenced by free_child_path_cache(), and psys_free_path_cache().

void psys_free_pdd ( ParticleSystem * psys )

Definition at line 500 of file particle.c.

References ParticleDrawData::cdata, MEM_freeN(), ParticleDrawData::ndata, NULL, ParticleSystem::pdd, ParticleDrawData::tot_vec_size, ParticleDrawData::totpoint, ParticleDrawData::vdata, and ParticleDrawData::vedata.

Referenced by draw_new_particle_system(), psys_free(), and realloc_particles().

void psys_free_settings ( ParticleSettings * part )

Definition at line 368 of file particle.c.

References BKE_free_animdata(), BLI_freelistN(), boid_free_settings(), ParticleSettings::boids, ParticleSettings::dupliweights, ParticleSettings::effector_weights, ParticleSettings::fluid, fluid_free_settings(), free_partdeflect(), Tex::id, ParticleSettings::id, MAX_MTEX, MEM_freeN(), ParticleSettings::mtex, ParticleSettings::pd, ParticleSettings::pd2, MTex::tex, and ID::us.

Referenced by free_libblock().

float psys_get_child_size	(	ParticleSystem *	psys,
		ChildParticle *	cpa,
		float	UNUSEDcfra,
		float *	UNUSEDpa_time
	)

Definition at line 3897 of file particle.c.

References ParticleSystem::child, ParticleSettings::childrandsize, ParticleSettings::childsize, ParticleSettings::childtype, ChildParticle::parent, ParticleSystem::part, PART_CHILD_FACES, ParticleSystem::particles, PSYS_FRAND, ParticleData::size, ParticleSettings::size, and size().

float psys_get_child_time	(	ParticleSystem *	psys,
		ChildParticle *	cpa,
		float	cfra,
		float *	birthtime,
		float *	dietime
	)

ParticleSystem* psys_get_current ( Object * ob ) [read]

Definition at line 165 of file particle.c.

References ListBase::first, ParticleSystem::flag, ParticleSystem::next, NULL, Object::particlesystem, and PSYS_CURRENT.

Referenced by buttons_context_path_particle(), buttons_texture_users_from_context(), clear_edited_exec(), draw_new_particle_system(), object_remove_particle_system(), and psys_in_edit_mode().

short psys_get_current_num ( Object * ob )

Definition at line 177 of file particle.c.

References ListBase::first, ParticleSystem::flag, i, ParticleSystem::next, NULL, Object::particlesystem, and PSYS_CURRENT.

float psys_get_dietime_from_cache	(	PointCache *	cache,
		int	index
	)

Definition at line 1128 of file particle.c.

References BKE_ptcache_mem_index_find(), PTCacheMem::frame, ListBase::last, PointCache::mem_cache, and PTCacheMem::prev.

Referenced by reset_particle().

void psys_get_dupli_path_transform	(	ParticleSimulationData *	sim,
		ParticleData *	pa,
		ChildParticle *	cpa,
		ParticleCacheKey *	cache,
		float	mat[][4],
		float *	scale
	)

Definition at line 4377 of file particle.c.

References axis_angle_to_quat(), ParticleSettings::childflat, ParticleCacheKey::co, copy_m3_m4(), copy_v3_v3(), cross_v3_v3v3(), DMCACHE_ISCHILD, dot_v3v3(), fabs(), ChildParticle::foffset, ParticleData::foffset, ParticleSettings::from, ChildParticle::fuv, ParticleData::fuv, Object::imat, len(), M_PI, mul_m3_v3(), mul_qt_v3(), normalize_v3(), NULL, ChildParticle::num, ParticleData::num, ParticleData::num_dmcache, ParticleSimulationData::ob, ChildParticle::pa, ParticleSystem::part, PART_CHILD_FACES, PART_FROM_FACE, PART_ROT_VEL, ParticleSystem::particles, ParticleSettings::phasefac, ParticleSimulationData::psmd, ParticleSimulationData::psys, PSYS_FRAND, psys_particle_on_emitter(), quat_to_mat4(), ParticleSettings::randphasefac, ParticleKey::rot, ParticleSettings::rotmode, ParticleData::state, ParticleCacheKey::steps, sub_v3_v3v3(), transpose_m3(), and unit_m4().

Referenced by new_particle_duplilist().

void psys_get_dupli_texture	(	ParticleSystem *	psys,
		ParticleSettings *	part,
		ParticleSystemModifierData *	psmd,
		ParticleData *	pa,
		ChildParticle *	cpa,
		float *	uv,
		float *	orco
	)

void psys_get_from_key	(	ParticleKey *	key,
		float *	loc,
		float *	vel,
		float *	rot,
		float *	time
	)

Definition at line 3251 of file particle.c.

References ParticleKey::co, copy_qt_qt(), copy_v3_v3(), ParticleKey::rot, ParticleKey::time, and ParticleKey::vel.

Object* psys_get_lattice ( ParticleSimulationData * sim ) [read]

ParticleSystemModifierData* psys_get_modifier	(	Object *	ob,
		ParticleSystem *	psys
	)		`[read]`

Definition at line 1791 of file particle.c.

References eModifierType_ParticleSystem, ListBase::first, Object::modifiers, ModifierData::next, NULL, ParticleSystemModifierData::psys, and ModifierData::type.

Referenced by applyModifier(), brush_add(), brush_edit_apply(), connect_hair(), createTransParticleVerts(), disconnect_hair(), draw_new_particle_system(), dupli_render_particle_set(), flushTransParticles(), foreach_mouse_hit_key(), lib_link_particlesystems(), new_particle_duplilist(), object_handle_update(), object_remove_particle_system(), particle_system_update(), PE_apply_mirror(), PE_create_particle_edit(), pe_deflect_emitter(), PE_lasso_select(), PE_minmax(), PE_mirror_x(), PE_update_mirror_cache(), psys_apply_hair_lattice(), psys_cache_edit_paths(), psys_check_enabled(), psys_get_lattice(), psys_render_restore(), psys_render_set(), recalc_emitter_field(), remove_doubles_exec(), remove_tagged_keys(), remove_tagged_particles(), render_new_particle_system(), and update_world_cos().

void psys_get_particle_on_path	(	ParticleSimulationData *	sim,
		int	p,
		ParticleKey *	state,
		int	vel
	)

Definition at line 3984 of file particle.c.

References ParticleInterpolationData::bspline, ParticleInterpolationData::cache, calc_latt_deform(), ParticleSystem::child, ParticleSettings::childflat, ParticleSettings::childrad, ParticleSettings::childtype, CLAMP(), ParticleKey::co, co, copy_particle_key(), copy_v3_v3(), ParticleThreadContext::dm, ParticleSystemModifierData::dm, ParticleInterpolationData::dm, DMCACHE_ISCHILD, do_child_modifiers(), do_guides(), do_particle_interpolation(), ParticleSystem::effectors, ParticleInterpolationData::epoint, ParticleData::flag, ParticleSettings::flag, ParticleSystem::flag, ParticleData::foffset, ChildParticle::foffset, ParticleSettings::from, ParticleData::fuv, ChildParticle::fuv, get_child_modifier_parameters(), give_current_material(), ParticleSystem::hair_out_dm, init_particle_interpolation(), ParticleInterpolationData::keyed, ParticleSystem::lattice, len_v3(), ParticleThreadContext::ma, mul_m4_v3(), mul_mat3_m4_v3(), mul_v3_fl(), normalize_v3(), NULL, ParticleData::num, ChildParticle::num, ParticleSimulationData::ob, Object::obmat, offset_child(), ParticleSettings::omat, p, ChildParticle::pa, ChildParticle::parent, PARS_REKEY, ParticleSystem::part, PART_CHILD_FACES, PART_CHILD_GUIDE, PART_FROM_FACE, PART_HAIR, PART_HAIR_BSPLINE, PART_PHYS_KEYED, PARTICLE_PSMD, ParticleSystem::particles, ParticleSettings::phystype, ParticleSystem::pointcache, ParticleSimulationData::psmd, ParticleSimulationData::psys, psys_get_child_time(), psys_get_particle_on_path(), PSYS_GLOBAL_HAIR, psys_in_edit_mode(), PSYS_KEYED, psys_mat_hair_to_global(), psys_particle_on_emitter(), ParticleKey::rot, ParticleSimulationData::scene, ParticleThreadContext::sim, sub_v3_v3v3(), ParticleData::time, ParticleKey::time, ParticleSystem::totchild, ParticleSystem::totpart, ParticleSettings::type, unit_m4(), ParticleKey::vel, ChildParticle::w, and simple_enum_gen::w.

Referenced by applyModifier(), brush_add(), draw_new_particle_system(), psys_get_particle_on_path(), psys_get_particle_state(), rekey_particle(), rekey_particle_to_time(), render_new_particle_system(), and subdivide_particle().

int psys_get_particle_state	(	ParticleSimulationData *	sim,
		int	p,
		ParticleKey *	state,
		int	always
	)

Definition at line 4189 of file particle.c.

Referenced by applyModifier(), draw_new_particle_system(), explodeMesh(), get_effector_data(), new_particle_duplilist(), pointdensity_cache_psys(), render_new_particle_system(), and set_keyed_keys().

void psys_get_texture	(	ParticleSimulationData *	sim,
		ParticleData *	pa,
		ParticleTexture *	ptex,
		int	event,
		float	cfra
	)

Definition at line 3776 of file particle.c.

References blend(), MTex::blendtype, CLAMP_PARTICLE_TEXTURE_POS, CLAMP_PARTICLE_TEXTURE_POSNEG, ParticleTexture::clump, ParticleKey::co, co, copy_v3_v3(), ParticleTexture::damp, MTex::dampfac, MTex::def_var, ParticleData::dietime, ParticleSettings::distr, ParticleSystemModifierData::dm, ParticleTexture::effector, ELEM, ParticleTexture::exist, externtex(), fabsf, ParticleTexture::field, MTex::fieldfac, ParticleData::foffset, ParticleSettings::from, ParticleData::fuv, get_particle_uv(), ParticleTexture::gravity, MTex::gravityfac, Object::imat, ParticleTexture::ivel, MTex::ivelfac, ParticleTexture::kink, ParticleTexture::length, MTex::lengthfac, ParticleTexture::life, MTex::lifefac, MAP_PA_TIME, MTex::mapto, MAX_MTEX, ParticleSettings::mtex, mul_m4_v3(), ParticleData::num, ParticleData::num_dmcache, MTex::object, MTex::padensfac, PAMAP_DAMP, PAMAP_DENS, PAMAP_FIELD, PAMAP_GRAVITY, PAMAP_IVEL, PAMAP_LENGTH, PAMAP_LIFE, PAMAP_SIZE, PAMAP_TIME, ParticleSystem::part, PART_DISTR_GRID, PART_FROM_FACE, PART_FROM_VOLUME, ParticleSystem::particles, ParticleSimulationData::psmd, ParticleSimulationData::psys, psys_particle_on_emitter(), ParticleTexture::rough1, ParticleTexture::rough2, ParticleTexture::roughe, SET_PARTICLE_TEXTURE, ParticleTexture::size, MTex::sizefac, ParticleData::state, MTex::texco, TEXCO_GLOB, TEXCO_OBJECT, TEXCO_ORCO, TEXCO_PARTICLE, TEXCO_UV, texture_value_blend(), ParticleData::time, ParticleTexture::time, MTex::timefac, ParticleSystem::totpart, and MTex::uvname.

Referenced by basic_integrate(), cached_step(), dynamics_step(), initialize_particle(), psys_get_birth_coordinates(), and reset_particle().

float psys_get_timestep ( ParticleSimulationData * sim )

Definition at line 3864 of file particle.c.

References ParticleSystem::part, ParticleSimulationData::psys, and ParticleSettings::timetweak.

Referenced by basic_integrate(), brush_add(), collision_check(), draw_new_particle_system(), dynamics_step(), pd_point_from_particle(), psys_get_particle_state(), and sph_integrate().

int psys_in_edit_mode	(	Scene *	scene,
		ParticleSystem *	psys
	)

Definition at line 253 of file particle.c.

References Scene::basact, PointCache::edit, ParticleSystem::edit, Object::mode, OB_MODE_PARTICLE_EDIT, Base::object, ParticleSystem::pointcache, psys_get_current(), and ParticleSystem::renderdata.

Referenced by draw_new_particle_system(), psys_get_lattice(), psys_get_particle_on_path(), psys_thread_create_path(), psys_threads_init_path(), and psys_update_path_cache().

void psys_interpolate_face	(	MVert *	mvert,
		MFace *	mface,
		MTFace *	tface,
		float(*)	orcodata[3],
		float *	w,
		float *	vec,
		float *	nor,
		float *	utan,
		float *	vtan,
		float *	orco,
		float *	ornor
	)

Definition at line 1372 of file particle.c.

References MVert::co, copy_v3_v3(), MFace::flag, interp_v3_v3v3v3(), interp_v3_v3v3v3v3(), map_to_sphere(), ME_SMOOTH, MVert::no, normal_quad_v3(), normal_short_to_float_v3(), normal_tri_v3(), sub_v3_v3v3(), MTFace::uv, MFace::v1, MFace::v2, MFace::v3, and MFace::v4.

Referenced by distribute_threads_exec(), and psys_particle_on_dm().

void psys_interpolate_mcol	(	const MCol *	mcol,
		int	quad,
		const float	w[4],
		MCol *	mc
	)

Definition at line 1512 of file particle.c.

void psys_interpolate_particle	(	short	type,
		ParticleKey	keys[4],
		float	dt,
		ParticleKey *	result,
		int	velocity
	)

Definition at line 1018 of file particle.c.

References co, ParticleKey::co, interp_cubic_v3(), interp_v3_v3v3v3v3(), key_curve_position_weights(), sub_v3_v3v3(), and ParticleKey::vel.

Referenced by do_particle_interpolation(), psys_get_particle_state(), ptcache_cloth_interpolate(), ptcache_particle_interpolate(), and ptcache_softbody_interpolate().

void psys_interpolate_uvs	(	const MTFace *	tface,
		int	quad,
		const float	w[4],
		float	uvco[2]
	)

Definition at line 1489 of file particle.c.

References MTFace::uv.

static float psys_interpolate_value_from_verts	(	DerivedMesh *	dm,
		short	from,
		int	index,
		const float	fw[4],
		const float *	values
	)		`[static]`

Definition at line 1537 of file particle.c.

References CD_MFACE, DerivedMesh::getFaceData, interpolate_particle_value(), PART_FROM_FACE, PART_FROM_VERT, PART_FROM_VOLUME, MFace::v1, MFace::v2, MFace::v3, and MFace::v4.

Referenced by get_child_modifier_parameters(), and psys_particle_value_from_verts().

void psys_make_billboard	(	ParticleBillboardData *	bb,
		float	xvec[3],
		float	yvec[3],
		float	zvec[3],
		float	center[3]
	)

Definition at line 4443 of file particle.c.

References add_v3_v3(), ParticleBillboardData::align, copy_v3_v3(), cos(), cross_v3_v3v3(), dot_v3v3(), ParticleBillboardData::lock, M_PI, madd_v3_v3fl(), madd_v3_v3v3fl(), mul_v3_fl(), normalize_v3(), normalize_v3_v3(), ParticleBillboardData::ob, Object::obmat, ParticleBillboardData::offset, PART_BB_VEL, PART_BB_VIEW, sin(), ParticleBillboardData::size, sub_v3_v3v3(), ParticleBillboardData::tilt, ParticleBillboardData::vec, ParticleBillboardData::vel, and zero_v3().

Referenced by draw_particle(), and particle_billboard().

static int psys_map_index_on_dm	(	DerivedMesh *	dm,
		int	from,
		int	index,
		int	index_dmcache,
		const float	fw[4],
		float	UNUSEDfoffset,
		int *	mapindex,
		float	mapfw[4]
	)		`[static]`

Definition at line 1654 of file particle.c.

References CD_MFACE, CD_ORIGSPACE, copy_v4_v4(), DerivedMesh::deformedOnly, DMCACHE_ISCHILD, DMCACHE_NOTFOUND, DerivedMesh::getFaceData, DerivedMesh::getFaceDataArray, DerivedMesh::getNumFaces, DerivedMesh::getNumVerts, i, NULL, PART_FROM_VERT, psys_origspace_to_w(), and MFace::v4.

Referenced by psys_particle_on_dm(), and psys_particle_value_from_verts().

void psys_mat_hair_to_global	(	Object *	ob,
		DerivedMesh *	dm,
		short	from,
		ParticleData *	pa,
		float	hairmat[][4]
	)

Definition at line 3380 of file particle.c.

References mult_m4_m4m4(), Object::obmat, and psys_mat_hair_to_object().

Referenced by brush_add(), brush_puff(), connect_hair(), createTransParticleVerts(), disconnect_hair(), flushTransParticles(), foreach_mouse_hit_key(), PE_lasso_select(), PE_minmax(), psys_apply_hair_lattice(), psys_cache_edit_paths(), psys_get_particle_on_path(), psys_thread_create_path(), and update_world_cos().

void psys_mat_hair_to_object	(	Object *	UNUSEDob,
		DerivedMesh *	dm,
		short	from,
		ParticleData *	pa,
		float	hairmat[][4]
	)

Definition at line 3349 of file particle.c.

References copy_v3_v3(), ParticleData::foffset, ParticleData::fuv, ParticleData::num, ParticleData::num_dmcache, psys_face_mat(), and psys_particle_on_dm().

void psys_mat_hair_to_orco	(	Object *	ob,
		DerivedMesh *	dm,
		short	from,
		ParticleData *	pa,
		float	hairmat[][4]
	)

Definition at line 3358 of file particle.c.

References CD_ORIGINDEX, copy_v3_v3(), Object::data, DM_get_vert_data_layer(), ParticleData::foffset, ParticleData::fuv, ParticleData::num, ParticleData::num_dmcache, psys_face_mat(), psys_particle_on_dm(), and transform_mesh_orco_verts().

Referenced by PE_mirror_particle(), and PE_update_mirror_cache().

ParticleSettings* psys_new_settings	(	const char *	name,
		Main *	main
	)		`[read]`

Definition at line 3558 of file particle.c.

References alloc_libblock(), default_particle_settings(), G, ID_PA, NULL, and Main::particle.

Referenced by do_versions(), new_particle_settings_exec(), and object_add_particle_system().

static void psys_origspace_to_w	(	OrigSpaceFace *	osface,
		int	quad,
		const float	w[4],
		float	neww[4]
	)		`[static]`

Definition at line 1564 of file particle.c.

References co, interp_weights_poly_v3(), psys_w_to_origspace(), and OrigSpaceFace::uv.

Referenced by psys_map_index_on_dm().

int psys_particle_dm_face_lookup	(	Object *	ob,
		DerivedMesh *	dm,
		int	index,
		const float	fw[4],
		struct LinkNode *	node
	)

Definition at line 1587 of file particle.c.

References CD_MFACE, CD_ORIGINDEX, CD_ORIGSPACE, Object::data, DMCACHE_NOTFOUND, GET_INT_FROM_POINTER, DerivedMesh::getFaceDataArray, DerivedMesh::getNumFaces, isect_point_quad_v2(), isect_point_tri_v2(), LinkNode::link, LinkNode::next, NULL, psys_w_to_origspace(), Mesh::totface, and MFace::v4.

Referenced by brush_add(), connect_hair(), PE_mirror_x(), and psys_calc_dmcache().

void psys_particle_on_dm	(	DerivedMesh *	dm,
		int	from,
		int	index,
		int	index_dmcache,
		const float	fw[4],
		float	foffset,
		float	vec[3],
		float	nor[3],
		float	utan[3],
		float	vtan[3],
		float	orco[3],
		float	ornor[3]
	)

void psys_particle_on_emitter	(	ParticleSystemModifierData *	psmd,
		int	from,
		int	index,
		int	index_dmcache,
		float *	fuv,
		float	foffset,
		float *	vec,
		float *	nor,
		float *	utan,
		float *	vtan,
		float *	orco,
		float *	ornor
	)

static void psys_particle_on_shape	(	int	UNUSEDdistr,
		int	UNUSEDindex,
		float *	UNUSEDfuv,
		float *	vec,
		float *	nor,
		float *	utan,
		float *	vtan,
		float *	orco,
		float *	ornor
	)		`[static]`

Definition at line 1810 of file particle.c.

References copy_v3_v3().

Referenced by psys_particle_on_emitter().

float psys_particle_value_from_verts	(	DerivedMesh *	dm,
		short	from,
		ParticleData *	pa,
		float *	values
	)

Definition at line 1780 of file particle.c.

References ParticleData::foffset, ParticleData::fuv, ParticleData::num, ParticleData::num_dmcache, psys_interpolate_value_from_verts(), and psys_map_index_on_dm().

static float psys_render_projected_area	(	ParticleSystem *	psys,
		const float	center[3],
		float	area,
		double	vprate,
		float *	viewport
	)		`[static]`

Definition at line 626 of file particle.c.

References co, copy_v3_v3(), data, M_PI, mul_m4_v4(), normalize_v3_v3(), ortho_basis_v3v3_v3(), psys_render_viewport_falloff(), ParticleSystem::renderdata, sqrt(), sqrtf, ParticleRenderData::viewmat, simple_enum_gen::w, ParticleRenderData::winmat, ParticleRenderData::winx, and ParticleRenderData::winy.

Referenced by psys_render_simplify_distribution().

void psys_render_restore	(	Object *	ob,
		ParticleSystem *	psys
	)

Definition at line 728 of file particle.c.

Referenced by add_render_object(), dupli_render_particle_set(), and pointdensity_cache_psys().

void psys_render_set	(	Object *	ob,
		ParticleSystem *	psys,
		float	viewmat[][4],
		float	winmat[][4],
		int	winx,
		int	winy,
		int	timeoffset
	)

Definition at line 677 of file particle.c.

Referenced by add_render_object(), dupli_render_particle_set(), and pointdensity_cache_psys().

int psys_render_simplify_distribution	(	ParticleThreadContext *	ctx,
		int	tot
	)

Definition at line 777 of file particle.c.

References add_v3_v3(), area_quad_v3(), area_tri_v3(), CD_ORIGINDEX, MVert::co, copy_v3_v3(), ParticleRenderElem::curchild, data, Object::data, ParticleThreadContext::dm, ParticleRenderData::dosimplify, ParticleSettings::draw, ParticleRenderData::elems, DerivedMesh::getFaceArray, DerivedMesh::getFaceDataArray, DerivedMesh::getNumFaces, DerivedMesh::getVertArray, ParticleThreadContext::index, ParticleRenderElem::lambda, log(), MAX2, MEM_callocN(), MEM_freeN(), mesh_get_texspace(), MIN2, mul_v3_fl(), ParticleSimulationData::ob, ParticleRenderData::origindex, ParticleSystem::part, PART_DRAW_PATH, PART_DRAW_REN_STRAND, PART_SIMPLIFY_ENABLE, PART_SIMPLIFY_VIEWPORT, pow(), powf, ParticleSimulationData::psys, psys_render_projected_area(), ParticleRenderElem::reduce, ParticleSettings::ren_as, ParticleSystem::renderdata, ParticleRenderElem::scalemax, ParticleRenderElem::scalemin, ParticleThreadContext::sim, ParticleSettings::simplify_flag, ParticleSettings::simplify_rate, ParticleSettings::simplify_refsize, ParticleSettings::simplify_transition, ParticleSettings::simplify_viewport, size(), ParticleThreadContext::skip, sqrt(), ParticleRenderElem::t, ParticleRenderData::timeoffset, ParticleRenderElem::totchild, Mesh::totface, MFace::v1, MFace::v2, MFace::v3, and MFace::v4.

Referenced by distribute_threads_init_data().

int psys_render_simplify_params	(	ParticleSystem *	psys,
		ChildParticle *	cpa,
		float *	params
	)

static float psys_render_viewport_falloff	(	double	rate,
		float	dist,
		float	width
	)		`[static]`

Definition at line 621 of file particle.c.

References pow().

Referenced by psys_render_projected_area().

void psys_set_current_num	(	Object *	ob,
		int	index
	)

Definition at line 190 of file particle.c.

References ListBase::first, ParticleSystem::flag, i, ParticleSystem::next, NULL, Object::particlesystem, and PSYS_CURRENT.

static void psys_thread_create_path	(	ParticleThread *	thread,
		struct ChildParticle *	cpa,
		ParticleCacheKey *	child_keys,
		int	i
	)		`[static]`

Definition at line 2461 of file particle.c.

References add_v3_v3(), ParticleThreadContext::between, ParticleThreadContext::cfra, check_path_length(), ParticleSystem::childcache, ParticleSettings::childflat, ParticleSettings::childrad, CLAMP(), ParticleKey::co, ParticleCacheKey::co, co, copy_qt_qt(), copy_v3_v3(), ParticleThread::ctx, simple_enum_gen::d, ParticleSystemModifierData::dm, DMCACHE_ISCHILD, do_child_modifiers(), do_path_effectors(), dot_v3v3(), ParticleSettings::draw_col, ParticleSystem::edit, ParticleThreadContext::editupdate, ParticleTexture::effector, ParticleTexture::exist, ParticleSettings::flag, PTCacheEditPoint::flag, ParticleData::foffset, ChildParticle::foffset, ParticleSettings::from, ParticleData::fuv, ChildParticle::fuv, get_child_modifier_parameters(), get_strand_normal(), interp_v3_v3v3v3v3(), interp_v4_v4v4(), len_v3(), len_v3v3(), ParticleTexture::length, length(), ParticleThreadContext::ma, madd_v3_v3fl(), mul_m4_v3(), mul_qt_qtqt(), mul_qt_v3(), mul_v3_fl(), normalize_v3(), NULL, ParticleData::num, ChildParticle::num, ParticleSimulationData::ob, Object::obmat, offset_child(), ChildParticle::pa, ChildParticle::parent, ParticleSettings::parents, ParticleSystem::part, PART_CHILD_EFFECT, PART_CHILD_LONG_HAIR, PART_DRAW_COL_MAT, PART_FROM_FACE, ParticleSystem::particles, ParticleSettings::parting_fac, ParticleSettings::parting_max, ParticleSettings::parting_min, ParticleSystem::pathcache, PTCacheEdit::pathcache, PEP_EDIT_RECALC, PTCacheEdit::points, project_v3_v3v3(), ParticleSimulationData::psmd, ParticleSimulationData::psys, PSYS_FRAND, psys_in_edit_mode(), psys_mat_hair_to_global(), psys_particle_on_emitter(), Material::r, RAD2DEGF, ParticleCacheKey::rot, rot, saacos(), ParticleSimulationData::scene, ParticleThreadContext::sim, ParticleCacheKey::steps, ParticleThreadContext::steps, sub_v3_v3v3(), ParticleThreadContext::totparent, unit_qt(), ParticleKey::vel, ParticleCacheKey::vel, ChildParticle::w, simple_enum_gen::w, and zero_v3().

Referenced by exec_child_path_cache().

static int psys_threads_init_path	(	ParticleThread *	threads,
		Scene *	scene,
		float	cfra,
		int	editupdate
	)		`[static]`

Definition at line 2376 of file particle.c.

Referenced by psys_cache_child_paths().

int psys_uses_gravity ( ParticleSimulationData * sim )

Definition at line 355 of file particle.c.

References ParticleSettings::effector_weights, PhysicsSettings::flag, EffectorWeights::global_gravity, ParticleSystem::part, PHYS_GLOBAL_GRAVITY, Scene::physics_settings, ParticleSimulationData::psys, and ParticleSimulationData::scene.

Referenced by basic_integrate(), boid_body(), rule_average_speed(), and sph_solver_init().

void psys_vec_rot_to_face	(	DerivedMesh *	dm,
		ParticleData *	pa,
		float *	vec
	)

Definition at line 3371 of file particle.c.

References mul_mat3_m4_v3(), psys_face_mat(), and transpose_m4().

Referenced by save_hair().

static void psys_w_to_origspace	(	const float	w[4],
		float	uv[2]
	)		`[static]`

Definition at line 1557 of file particle.c.

Referenced by psys_origspace_to_w(), and psys_particle_dm_face_lookup().

static void triatomat	(	float *	v1,
		float *	v2,
		float *	v3,
		float(*)	uv[2],
		float	mat[][4]
	)		`[static]`

Definition at line 3275 of file particle.c.

References cross_v3_v3v3(), normal_tri_v3(), normalize_v3(), and sub_v3_v3v3().

Referenced by psys_face_mat().

particle.c File Referenceblenkernel

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particle.c File Reference
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