Differential D2927 Diff 9587 source/blender/blenkernel/intern/particle.c

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source/blender/blenkernel/intern/particle.c

Show First 20 Lines • Show All 246 Lines • ▼ Show 20 Lines	Object psys_find_object(Scene scene, ParticleSystem *psys)
return NULL;		return NULL;
}		}
#endif		#endif

struct LatticeDeformData psys_create_lattice_deform_data(ParticleSimulationData sim)		struct LatticeDeformData psys_create_lattice_deform_data(ParticleSimulationData sim)
{		{
struct LatticeDeformData *lattice_deform_data = NULL;		struct LatticeDeformData *lattice_deform_data = NULL;

if (psys_in_edit_mode(sim->eval_ctx->scene_layer, sim->psys) == 0) {		if (psys_in_edit_mode(sim->eval_ctx->view_layer, sim->psys) == 0) {
Object *lattice = NULL;		Object *lattice = NULL;
ModifierData md = (ModifierData )psys_get_modifier(sim->ob, sim->psys);		ModifierData md = (ModifierData )psys_get_modifier(sim->ob, sim->psys);
int mode = G.is_rendering ? eModifierMode_Render : eModifierMode_Realtime;		int mode = G.is_rendering ? eModifierMode_Render : eModifierMode_Realtime;

for (; md; md = md->next) {		for (; md; md = md->next) {
if (md->type == eModifierType_Lattice) {		if (md->type == eModifierType_Lattice) {
if (md->mode & mode) {		if (md->mode & mode) {
LatticeModifierData lmd = (LatticeModifierData )md;		LatticeModifierData lmd = (LatticeModifierData )md;
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void psys_enable_all(Object *ob)		void psys_enable_all(Object *ob)
{		{
ParticleSystem *psys = ob->particlesystem.first;		ParticleSystem *psys = ob->particlesystem.first;

for (; psys; psys = psys->next)		for (; psys; psys = psys->next)
psys->flag &= ~PSYS_DISABLED;		psys->flag &= ~PSYS_DISABLED;
}		}

bool psys_in_edit_mode(SceneLayer scene_layer, ParticleSystem psys)		bool psys_in_edit_mode(ViewLayer view_layer, ParticleSystem psys)
{		{
return (scene_layer->basact &&		return (view_layer->basact &&
(scene_layer->basact->object->mode & OB_MODE_PARTICLE_EDIT) &&		(view_layer->basact->object->mode & OB_MODE_PARTICLE_EDIT) &&
psys == psys_get_current((scene_layer->basact)->object) &&		psys == psys_get_current((view_layer->basact)->object) &&
(psys->edit \|\| psys->pointcache->edit) &&		(psys->edit \|\| psys->pointcache->edit) &&
!psys->renderdata);		!psys->renderdata);
}		}

bool psys_check_enabled(Object ob, ParticleSystem psys, const bool use_render_params)		bool psys_check_enabled(Object ob, ParticleSystem psys, const bool use_render_params)
{		{
ParticleSystemModifierData *psmd;		ParticleSystemModifierData *psmd;

▲ Show 20 Lines • Show All 1,787 Lines • ▼ Show 20 Lines	static bool psys_thread_context_init_path(
ParticleSettings *part = psys->part;		ParticleSettings *part = psys->part;
int totparent = 0, between = 0;		int totparent = 0, between = 0;
int segments = 1 << part->draw_step;		int segments = 1 << part->draw_step;
int totchild = psys->totchild;		int totchild = psys->totchild;

psys_thread_context_init(ctx, sim);		psys_thread_context_init(ctx, sim);

/---start figuring out what is actually wanted---/		/---start figuring out what is actually wanted---/
if (psys_in_edit_mode(sim->eval_ctx->scene_layer, psys)) {		if (psys_in_edit_mode(sim->eval_ctx->view_layer, psys)) {
ParticleEditSettings *pset = &scene->toolsettings->particle;		ParticleEditSettings *pset = &scene->toolsettings->particle;

if ((psys->renderdata == 0 && use_render_params == 0) && (psys->edit == NULL \|\| pset->flag & PE_DRAW_PART) == 0)		if ((psys->renderdata == 0 && use_render_params == 0) && (psys->edit == NULL \|\| pset->flag & PE_DRAW_PART) == 0)
totchild = 0;		totchild = 0;

segments = 1 << pset->draw_step;		segments = 1 << pset->draw_step;
}		}

▲ Show 20 Lines • Show All 72 Lines • ▼ Show 20 Lines
/* note: this function must be thread safe, except for branching! */		/* note: this function must be thread safe, except for branching! */
static void psys_thread_create_path(ParticleTask task, struct ChildParticle cpa, ParticleCacheKey *child_keys, int i)		static void psys_thread_create_path(ParticleTask task, struct ChildParticle cpa, ParticleCacheKey *child_keys, int i)
{		{
ParticleThreadContext *ctx = task->ctx;		ParticleThreadContext *ctx = task->ctx;
Object *ob = ctx->sim.ob;		Object *ob = ctx->sim.ob;
ParticleSystem *psys = ctx->sim.psys;		ParticleSystem *psys = ctx->sim.psys;
ParticleSettings *part = psys->part;		ParticleSettings *part = psys->part;
ParticleCacheKey **cache = psys->childcache;		ParticleCacheKey **cache = psys->childcache;
ParticleCacheKey **pcache = psys_in_edit_mode(ctx->sim.eval_ctx->scene_layer, psys) && psys->edit ? psys->edit->pathcache : psys->pathcache;		ParticleCacheKey **pcache = psys_in_edit_mode(ctx->sim.eval_ctx->view_layer, psys) && psys->edit ? psys->edit->pathcache : psys->pathcache;
ParticleCacheKey child, key[4];		ParticleCacheKey child, key[4];
ParticleTexture ptex;		ParticleTexture ptex;
float cpa_fuv = 0, par_rot = 0, rot[4];		float cpa_fuv = 0, par_rot = 0, rot[4];
float orco[3], ornor[3], hairmat[4][4], dvec[3], off1[4][3], off2[4][3];		float orco[3], ornor[3], hairmat[4][4], dvec[3], off1[4][3], off2[4][3];
float eff_length, eff_vec[3], weight[4];		float eff_length, eff_vec[3], weight[4];
int k, cpa_num;		int k, cpa_num;
short cpa_from;		short cpa_from;

▲ Show 20 Lines • Show All 392 Lines • ▼ Show 20 Lines	void psys_cache_paths(ParticleSimulationData *sim, float cfra, const bool use_render_params)
float *vg_effector = NULL;		float *vg_effector = NULL;
float *vg_length = NULL, pa_length = 1.0f;		float *vg_length = NULL, pa_length = 1.0f;
int keyed, baked;		int keyed, baked;

/* we don't have anything valid to create paths from so let's quit here */		/* we don't have anything valid to create paths from so let's quit here */
if ((psys->flag & PSYS_HAIR_DONE \|\| psys->flag & PSYS_KEYED \|\| psys->pointcache) == 0)		if ((psys->flag & PSYS_HAIR_DONE \|\| psys->flag & PSYS_KEYED \|\| psys->pointcache) == 0)
return;		return;

if (psys_in_edit_mode(sim->eval_ctx->scene_layer, psys))		if (psys_in_edit_mode(sim->eval_ctx->view_layer, psys))
if (psys->renderdata == 0 && (psys->edit == NULL \|\| pset->flag & PE_DRAW_PART) == 0)		if (psys->renderdata == 0 && (psys->edit == NULL \|\| pset->flag & PE_DRAW_PART) == 0)
return;		return;

keyed = psys->flag & PSYS_KEYED;		keyed = psys->flag & PSYS_KEYED;
baked = psys->pointcache->mem_cache.first && psys->part->type != PART_HAIR;		baked = psys->pointcache->mem_cache.first && psys->part->type != PART_HAIR;

/* clear out old and create new empty path cache */		/* clear out old and create new empty path cache */
psys_free_path_cache(psys, psys->edit);		psys_free_path_cache(psys, psys->edit);
▲ Show 20 Lines • Show All 1,166 Lines • ▼ Show 20 Lines	else {
pa = psys->particles + p;		pa = psys->particles + p;

pind.keyed = keyed;		pind.keyed = keyed;
pind.cache = cached ? psys->pointcache : NULL;		pind.cache = cached ? psys->pointcache : NULL;
pind.epoint = NULL;		pind.epoint = NULL;
pind.bspline = (psys->part->flag & PART_HAIR_BSPLINE);		pind.bspline = (psys->part->flag & PART_HAIR_BSPLINE);
/* pind.dm disabled in editmode means we don't get effectors taken into		/* pind.dm disabled in editmode means we don't get effectors taken into
* account when subdividing for instance */		* account when subdividing for instance */
pind.dm = psys_in_edit_mode(sim->eval_ctx->scene_layer, psys) ? NULL : psys->hair_out_dm;		pind.dm = psys_in_edit_mode(sim->eval_ctx->view_layer, psys) ? NULL : psys->hair_out_dm;
init_particle_interpolation(sim->ob, psys, pa, &pind);		init_particle_interpolation(sim->ob, psys, pa, &pind);
do_particle_interpolation(psys, p, pa, t, &pind, state);		do_particle_interpolation(psys, p, pa, t, &pind, state);

if (pind.dm) {		if (pind.dm) {
mul_m4_v3(sim->ob->obmat, state->co);		mul_m4_v3(sim->ob->obmat, state->co);
mul_mat3_m4_v3(sim->ob->obmat, state->vel);		mul_mat3_m4_v3(sim->ob->obmat, state->vel);
}		}
else if (!keyed && !cached && !(psys->flag & PSYS_GLOBAL_HAIR)) {		else if (!keyed && !cached && !(psys->flag & PSYS_GLOBAL_HAIR)) {
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