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path: root/source/blender/blenkernel/intern/cloth.c
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-rw-r--r--source/blender/blenkernel/intern/cloth.c160
1 files changed, 33 insertions, 127 deletions
diff --git a/source/blender/blenkernel/intern/cloth.c b/source/blender/blenkernel/intern/cloth.c
index 770a9379e2d..e9df562a15f 100644
--- a/source/blender/blenkernel/intern/cloth.c
+++ b/source/blender/blenkernel/intern/cloth.c
@@ -55,7 +55,7 @@
/* Prototypes for internal functions.
*/
static void cloth_to_object(Object *ob, ClothModifierData *clmd, float (*vertexCos)[3]);
-static void cloth_from_mesh(ClothModifierData *clmd, Mesh *mesh);
+static void cloth_from_mesh(ClothModifierData *clmd, const Object *ob, Mesh *mesh);
static bool cloth_from_object(
Object *ob, ClothModifierData *clmd, Mesh *mesh, float framenr, int first);
static void cloth_update_springs(ClothModifierData *clmd);
@@ -75,100 +75,6 @@ typedef struct BendSpringRef {
* External interface called by modifier.c clothModifier functions.
*
******************************************************************************/
-/**
- * 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->tension = 15.0;
- clmd->sim_parms->max_tension = 15.0;
- clmd->sim_parms->compression = 15.0;
- clmd->sim_parms->max_compression = 15.0;
- clmd->sim_parms->shear = 5.0;
- clmd->sim_parms->max_shear = 5.0;
- clmd->sim_parms->bending = 0.5;
- clmd->sim_parms->max_bend = 0.5;
- clmd->sim_parms->tension_damp = 5.0;
- clmd->sim_parms->compression_damp = 5.0;
- clmd->sim_parms->shear_damp = 5.0;
- clmd->sim_parms->bending_damping = 0.5;
- 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;
-
- /* Min amount the fabric will shrink by 0.0 = no shrinking, 1.0 = shrink to nothing. */
- clmd->sim_parms->shrink_min = 0.0f;
-
- 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->time_scale = 1.0f; /* multiplies cloth speed */
- clmd->sim_parms->reset = 0;
-
- 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->selfepsilon = 0.015;
- 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;
-
- /* Internal spring settings */
- clmd->sim_parms->internal_spring_max_length = 0.0f;
- clmd->sim_parms->internal_spring_max_diversion = M_PI / 4.0f;
- clmd->sim_parms->internal_tension = 15.0f;
- clmd->sim_parms->max_internal_tension = 15.0f;
- clmd->sim_parms->internal_compression = 15.0f;
- clmd->sim_parms->max_internal_compression = 15.0f;
- clmd->sim_parms->vgroup_intern = 0;
- clmd->sim_parms->flags |= CLOTH_SIMSETTINGS_FLAG_INTERNAL_SPRINGS_NORMAL;
-
- /* Pressure settings */
- clmd->sim_parms->uniform_pressure_force = 0.0f;
- clmd->sim_parms->target_volume = 0.0f;
- clmd->sim_parms->pressure_factor = 1.0f;
- clmd->sim_parms->fluid_density = 0.0f;
- clmd->sim_parms->vgroup_pressure = 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;
-
- clmd->sim_parms->bending_model = CLOTH_BENDING_ANGULAR;
-
- if (!clmd->sim_parms->effector_weights) {
- clmd->sim_parms->effector_weights = BKE_effector_add_weights(NULL);
- }
-
- if (clmd->point_cache) {
- clmd->point_cache->step = 1;
- }
-}
static BVHTree *bvhtree_build_from_cloth(ClothModifierData *clmd, float epsilon)
{
@@ -310,7 +216,7 @@ void cloth_clear_cache(Object *ob, ClothModifierData *clmd, float framenr)
BKE_ptcache_id_from_cloth(&pid, ob, clmd);
- // don't do anything as long as we're in editmode!
+ /* don't do anything as long as we're in editmode! */
if (pid.cache->edit && ob->mode & OB_MODE_PARTICLE_EDIT) {
return;
}
@@ -328,13 +234,13 @@ static bool do_init_cloth(Object *ob, ClothModifierData *clmd, Mesh *result, int
if (clmd->clothObject == NULL) {
if (!cloth_from_object(ob, clmd, result, framenr, 1)) {
BKE_ptcache_invalidate(cache);
- BKE_modifier_set_error(&(clmd->modifier), "Can't initialize cloth");
+ BKE_modifier_set_error(ob, &(clmd->modifier), "Can't initialize cloth");
return false;
}
if (clmd->clothObject == NULL) {
BKE_ptcache_invalidate(cache);
- BKE_modifier_set_error(&(clmd->modifier), "Null cloth object");
+ BKE_modifier_set_error(ob, &(clmd->modifier), "Null cloth object");
return false;
}
@@ -533,7 +439,7 @@ void cloth_free_modifier(ClothModifierData *clmd)
if (cloth) {
SIM_cloth_solver_free(clmd);
- // Free the verts.
+ /* Free the verts. */
if (cloth->verts != NULL) {
MEM_freeN(cloth->verts);
}
@@ -541,7 +447,7 @@ void cloth_free_modifier(ClothModifierData *clmd)
cloth->verts = NULL;
cloth->mvert_num = 0;
- // Free the springs.
+ /* Free the springs. */
if (cloth->springs != NULL) {
LinkNode *search = cloth->springs;
while (search) {
@@ -561,7 +467,7 @@ void cloth_free_modifier(ClothModifierData *clmd)
cloth->springs = NULL;
cloth->numsprings = 0;
- // free BVH collision tree
+ /* free BVH collision tree */
if (cloth->bvhtree) {
BLI_bvhtree_free(cloth->bvhtree);
}
@@ -570,7 +476,7 @@ void cloth_free_modifier(ClothModifierData *clmd)
BLI_bvhtree_free(cloth->bvhselftree);
}
- // we save our faces for collision objects
+ /* we save our faces for collision objects */
if (cloth->tri) {
MEM_freeN(cloth->tri);
}
@@ -615,7 +521,7 @@ void cloth_free_modifier_extern(ClothModifierData *clmd)
SIM_cloth_solver_free(clmd);
- // Free the verts.
+ /* Free the verts. */
if (cloth->verts != NULL) {
MEM_freeN(cloth->verts);
}
@@ -623,7 +529,7 @@ void cloth_free_modifier_extern(ClothModifierData *clmd)
cloth->verts = NULL;
cloth->mvert_num = 0;
- // Free the springs.
+ /* Free the springs. */
if (cloth->springs != NULL) {
LinkNode *search = cloth->springs;
while (search) {
@@ -643,7 +549,7 @@ void cloth_free_modifier_extern(ClothModifierData *clmd)
cloth->springs = NULL;
cloth->numsprings = 0;
- // free BVH collision tree
+ /* free BVH collision tree */
if (cloth->bvhtree) {
BLI_bvhtree_free(cloth->bvhtree);
}
@@ -652,7 +558,7 @@ void cloth_free_modifier_extern(ClothModifierData *clmd)
BLI_bvhtree_free(cloth->bvhselftree);
}
- // we save our faces for collision objects
+ /* we save our faces for collision objects */
if (cloth->tri) {
MEM_freeN(cloth->tri);
}
@@ -749,8 +655,8 @@ static void cloth_apply_vgroup(ClothModifierData *clmd, Mesh *mesh)
/* goalfac= 1.0f; */ /* UNUSED */
- // Kicking goal factor to simplify things...who uses that anyway?
- // ABS ( clmd->sim_parms->maxgoal - clmd->sim_parms->mingoal );
+ /* Kicking goal factor to simplify things...who uses that anyway? */
+ // ABS (clmd->sim_parms->maxgoal - clmd->sim_parms->mingoal);
verts->goal = pow4f(verts->goal);
if (verts->goal >= SOFTGOALSNAP) {
@@ -821,7 +727,7 @@ static bool cloth_from_object(
float(*shapekey_rest)[3] = NULL;
const float tnull[3] = {0, 0, 0};
- // If we have a clothObject, free it.
+ /* If we have a clothObject, free it. */
if (clmd->clothObject != NULL) {
cloth_free_modifier(clmd);
if (G.debug & G_DEBUG_SIMDATA) {
@@ -829,25 +735,25 @@ static bool cloth_from_object(
}
}
- // Allocate a new cloth object.
+ /* Allocate a new cloth object. */
clmd->clothObject = MEM_callocN(sizeof(Cloth), "cloth");
if (clmd->clothObject) {
clmd->clothObject->old_solver_type = 255;
clmd->clothObject->edgeset = NULL;
}
else {
- BKE_modifier_set_error(&(clmd->modifier), "Out of memory on allocating clmd->clothObject");
+ BKE_modifier_set_error(ob, &(clmd->modifier), "Out of memory on allocating clmd->clothObject");
return false;
}
- // mesh input objects need Mesh
+ /* mesh input objects need Mesh */
if (!mesh) {
return false;
}
- cloth_from_mesh(clmd, mesh);
+ cloth_from_mesh(clmd, ob, mesh);
- // create springs
+ /* create springs */
clmd->clothObject->springs = NULL;
clmd->clothObject->numsprings = -1;
@@ -862,7 +768,7 @@ static bool cloth_from_object(
verts = clmd->clothObject->verts;
- // set initial values
+ /* set initial values */
for (i = 0; i < mesh->totvert; i++, verts++) {
if (first) {
copy_v3_v3(verts->x, mvert[i].co);
@@ -902,17 +808,17 @@ static bool cloth_from_object(
copy_v3_v3(verts->impulse, tnull);
}
- // apply / set vertex groups
- // has to be happen before springs are build!
+ /* apply / set vertex groups */
+ /* has to be happen before springs are build! */
cloth_apply_vgroup(clmd, mesh);
if (!cloth_build_springs(clmd, mesh)) {
cloth_free_modifier(clmd);
- BKE_modifier_set_error(&(clmd->modifier), "Cannot build springs");
+ BKE_modifier_set_error(ob, &(clmd->modifier), "Cannot build springs");
return false;
}
- // init our solver
+ /* init our solver */
SIM_cloth_solver_init(ob, clmd);
if (!first) {
@@ -925,7 +831,7 @@ static bool cloth_from_object(
return true;
}
-static void cloth_from_mesh(ClothModifierData *clmd, Mesh *mesh)
+static void cloth_from_mesh(ClothModifierData *clmd, const Object *ob, Mesh *mesh)
{
const MLoop *mloop = mesh->mloop;
const MLoopTri *looptri = BKE_mesh_runtime_looptri_ensure(mesh);
@@ -938,8 +844,8 @@ static void cloth_from_mesh(ClothModifierData *clmd, Mesh *mesh)
"clothVertex");
if (clmd->clothObject->verts == NULL) {
cloth_free_modifier(clmd);
- BKE_modifier_set_error(&(clmd->modifier),
- "Out of memory on allocating clmd->clothObject->verts");
+ BKE_modifier_set_error(
+ ob, &(clmd->modifier), "Out of memory on allocating clmd->clothObject->verts");
printf("cloth_free_modifier clmd->clothObject->verts\n");
return;
}
@@ -955,8 +861,8 @@ static void cloth_from_mesh(ClothModifierData *clmd, Mesh *mesh)
clmd->clothObject->tri = MEM_mallocN(sizeof(MVertTri) * looptri_num, "clothLoopTris");
if (clmd->clothObject->tri == NULL) {
cloth_free_modifier(clmd);
- BKE_modifier_set_error(&(clmd->modifier),
- "Out of memory on allocating clmd->clothObject->looptri");
+ BKE_modifier_set_error(
+ ob, &(clmd->modifier), "Out of memory on allocating clmd->clothObject->looptri");
printf("cloth_free_modifier clmd->clothObject->looptri\n");
return;
}
@@ -1565,13 +1471,13 @@ static bool cloth_build_springs(ClothModifierData *clmd, Mesh *mesh)
const MEdge *medge = mesh->medge;
const MPoly *mpoly = mesh->mpoly;
const MLoop *mloop = mesh->mloop;
- int index2 = 0; // our second vertex index
+ int index2 = 0; /* our second vertex index */
LinkNodePair *edgelist = NULL;
EdgeSet *edgeset = NULL;
LinkNode *search = NULL, *search2 = NULL;
BendSpringRef *spring_ref = NULL;
- // error handling
+ /* error handling */
if (numedges == 0) {
return false;
}
@@ -1693,7 +1599,7 @@ static bool cloth_build_springs(ClothModifierData *clmd, Mesh *mesh)
if (spring) {
spring_verts_ordered_set(spring, medge[i].v1, medge[i].v2);
if (clmd->sim_parms->flags & CLOTH_SIMSETTINGS_FLAG_SEW && medge[i].flag & ME_LOOSEEDGE) {
- // handle sewing (loose edges will be pulled together)
+ /* handle sewing (loose edges will be pulled together) */
spring->restlen = 0.0f;
spring->lin_stiffness = 1.0f;
spring->type = CLOTH_SPRING_TYPE_SEWING;
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-19 20:03:06 +0300