/* Set up RigidBody world */
RigidBodyWorld *BKE_rigidbody_create_world(Scene *scene)
{
/* try to get whatever RigidBody world that might be representing this already */
RigidBodyWorld *rbw;
/* sanity checks
* - there must be a valid scene to add world to
* - there mustn't be a sim world using this group already
*/
if (scene == NULL)
return NULL;
/* create a new sim world */
rbw = MEM_callocN(sizeof(RigidBodyWorld), "RigidBodyWorld");
/* set default settings */
rbw->effector_weights = BKE_add_effector_weights(NULL);
rbw->ltime = PSFRA;
rbw->time_scale = 1.0f;
rbw->steps_per_second = 60; /* Bullet default (60 Hz) */
rbw->num_solver_iterations = 10; /* 10 is bullet default */
rbw->pointcache = BKE_ptcache_add(&(rbw->ptcaches));
rbw->pointcache->step = 1;
/* return this sim world */
return rbw;
}
/**
* cloth_init - creates a new cloth simulation.
*
* 1. create object
* 2. fill object with standard values or with the GUI settings if given
*/
void cloth_init(ClothModifierData *clmd )
{
/* Initialize our new data structure to reasonable values. */
clmd->sim_parms->gravity[0] = 0.0;
clmd->sim_parms->gravity[1] = 0.0;
clmd->sim_parms->gravity[2] = -9.81;
clmd->sim_parms->structural = 15.0;
clmd->sim_parms->shear = 15.0;
clmd->sim_parms->bending = 0.5;
clmd->sim_parms->bending_damping = 0.5;
clmd->sim_parms->Cdis = 5.0;
clmd->sim_parms->Cvi = 1.0;
clmd->sim_parms->mass = 0.3f;
clmd->sim_parms->stepsPerFrame = 5;
clmd->sim_parms->flags = 0;
clmd->sim_parms->solver_type = 0;
clmd->sim_parms->maxspringlen = 10;
clmd->sim_parms->vgroup_mass = 0;
clmd->sim_parms->vgroup_shrink = 0;
clmd->sim_parms->shrink_min = 0.0f; /* min amount the fabric will shrink by 0.0 = no shrinking, 1.0 = shrink to nothing*/
clmd->sim_parms->avg_spring_len = 0.0;
clmd->sim_parms->presets = 2; /* cotton as start setting */
clmd->sim_parms->timescale = 1.0f; /* speed factor, describes how fast cloth moves */
clmd->sim_parms->reset = 0;
clmd->sim_parms->vel_damping = 1.0f; /* 1.0 = no damping, 0.0 = fully dampened */
clmd->coll_parms->self_friction = 5.0;
clmd->coll_parms->friction = 5.0;
clmd->coll_parms->loop_count = 2;
clmd->coll_parms->epsilon = 0.015f;
clmd->coll_parms->flags = CLOTH_COLLSETTINGS_FLAG_ENABLED;
clmd->coll_parms->collision_list = NULL;
clmd->coll_parms->self_loop_count = 1.0;
clmd->coll_parms->selfepsilon = 0.75;
clmd->coll_parms->vgroup_selfcol = 0;
/* These defaults are copied from softbody.c's
* softbody_calc_forces() function.
*/
clmd->sim_parms->eff_force_scale = 1000.0;
clmd->sim_parms->eff_wind_scale = 250.0;
// also from softbodies
clmd->sim_parms->maxgoal = 1.0f;
clmd->sim_parms->mingoal = 0.0f;
clmd->sim_parms->defgoal = 0.0f;
clmd->sim_parms->goalspring = 1.0f;
clmd->sim_parms->goalfrict = 0.0f;
clmd->sim_parms->velocity_smooth = 0.0f;
clmd->sim_parms->voxel_cell_size = 0.1f;
if (!clmd->sim_parms->effector_weights)
clmd->sim_parms->effector_weights = BKE_add_effector_weights(NULL);
if (clmd->point_cache)
clmd->point_cache->step = 1;
}
void smokeModifier_createType(struct SmokeModifierData *smd)
{
if(smd)
{
if(smd->type & MOD_SMOKE_TYPE_DOMAIN)
{
if(smd->domain)
smokeModifier_freeDomain(smd);
smd->domain = MEM_callocN(sizeof(SmokeDomainSettings), "SmokeDomain");
smd->domain->smd = smd;
smd->domain->point_cache[0] = BKE_ptcache_add(&(smd->domain->ptcaches[0]));
smd->domain->point_cache[0]->flag |= PTCACHE_DISK_CACHE;
smd->domain->point_cache[0]->step = 1;
smd->domain->point_cache[1] = BKE_ptcache_add(&(smd->domain->ptcaches[1]));
smd->domain->point_cache[1]->flag |= PTCACHE_DISK_CACHE;
smd->domain->point_cache[1]->step = 1;
/* set some standard values */
smd->domain->fluid = NULL;
smd->domain->wt = NULL;
smd->domain->eff_group = NULL;
smd->domain->fluid_group = NULL;
smd->domain->coll_group = NULL;
smd->domain->maxres = 32;
smd->domain->amplify = 1;
smd->domain->omega = 1.0;
smd->domain->alpha = -0.001;
smd->domain->beta = 0.1;
smd->domain->flags = MOD_SMOKE_DISSOLVE_LOG;
smd->domain->strength = 2.0;
smd->domain->noise = MOD_SMOKE_NOISEWAVE;
smd->domain->diss_speed = 5;
// init 3dview buffer
smd->domain->viewsettings = 0;
smd->domain->effector_weights = BKE_add_effector_weights(NULL);
}
else if(smd->type & MOD_SMOKE_TYPE_FLOW)
{
if(smd->flow)
smokeModifier_freeFlow(smd);
smd->flow = MEM_callocN(sizeof(SmokeFlowSettings), "SmokeFlow");
smd->flow->smd = smd;
/* set some standard values */
smd->flow->density = 1.0;
smd->flow->temp = 1.0;
smd->flow->psys = NULL;
}
else if(smd->type & MOD_SMOKE_TYPE_COLL)
{
if(smd->coll)
smokeModifier_freeCollision(smd);
smd->coll = MEM_callocN(sizeof(SmokeCollSettings), "SmokeColl");
smd->coll->smd = smd;
smd->coll->points = NULL;
smd->coll->numpoints = 0;
smd->coll->bvhtree = NULL;
smd->coll->dm = NULL;
}
}
}
