Differential D15338 Diff 53159 source/blender/blenkernel/intern/mball.c

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source/blender/blenkernel/intern/mball.c

Show First 20 Lines • Show All 341 Lines • ▼ Show 20 Lines	while (a--) {

data += 3;		data += 3;
orco += 3;		orco += 3;
}		}

return orcodata;		return orcodata;
}		}

bool BKE_mball_is_basis(Object *ob)		bool BKE_mball_is_basis(const Object *ob)
{		{
/* Meta-Ball Basis Notes from Blender-2.5x		/* Meta-Ball Basis Notes from Blender-2.5x
* =======================================		* =======================================
*		*
* NOTE(@campbellbarton): This is a can of worms.		* NOTE(@campbellbarton): This is a can of worms.
*		*
* This really needs a rewrite/refactor its totally broken in anything other than basic cases		* This really needs a rewrite/refactor its totally broken in anything other than basic cases
* Multiple Scenes + Set Scenes & mixing meta-ball basis _should_ work but fails to update the		* Multiple Scenes + Set Scenes & mixing meta-ball basis _should_ work but fails to update the
* depsgraph on rename and linking into scenes or removal of basis meta-ball.		* depsgraph on rename and linking into scenes or removal of basis meta-ball.
* So take care when changing this code.		* So take care when changing this code.
*		*
* Main idiot thing here is that the system returns #BKE_mball_basis_find()		* Main idiot thing here is that the system returns #BKE_mball_basis_find()
* objects which fail a #BKE_mball_is_basis() test.		* objects which fail a #BKE_mball_is_basis() test.
*		*
* Not only that but the depsgraph and their areas depend on this behavior,		* Not only that but the depsgraph and their areas depend on this behavior,
* so making small fixes here isn't worth it. */		* so making small fixes here isn't worth it. */

/* Just a quick test. */		/* Just a quick test. */
const int len = strlen(ob->id.name);		const int len = strlen(ob->id.name);
return (!isdigit(ob->id.name[len - 1]));		return (!isdigit(ob->id.name[len - 1]));
}		}

bool BKE_mball_is_basis_for(Object ob1, Object ob2)		bool BKE_mball_is_same_group(const Object ob1, const Object ob2)
{		{
int basis1nr, basis2nr;		int basis1nr, basis2nr;
char basis1name[MAX_ID_NAME], basis2name[MAX_ID_NAME];		char basis1name[MAX_ID_NAME], basis2name[MAX_ID_NAME];

if (ob1->id.name[2] != ob2->id.name[2]) {		if (ob1->id.name[2] != ob2->id.name[2]) {
/* Quick return in case first char of both ID's names is not the same... */		/* Quick return in case first char of both ID's names is not the same... */
return false;		return false;
}		}

BLI_split_name_num(basis1name, &basis1nr, ob1->id.name + 2, '.');		BLI_split_name_num(basis1name, &basis1nr, ob1->id.name + 2, '.');
BLI_split_name_num(basis2name, &basis2nr, ob2->id.name + 2, '.');		BLI_split_name_num(basis2name, &basis2nr, ob2->id.name + 2, '.');

if (STREQ(basis1name, basis2name)) {		return STREQ(basis1name, basis2name);
return BKE_mball_is_basis(ob1);
}		}

return false;		bool BKE_mball_is_basis_for(const Object ob1, const Object ob2)
		{
		return BKE_mball_is_same_group(ob1, ob2) && BKE_mball_is_basis(ob1);
}		}

bool BKE_mball_is_any_selected(const MetaBall *mb)		bool BKE_mball_is_any_selected(const MetaBall *mb)
{		{
for (const MetaElem *ml = mb->editelems->first; ml != NULL; ml = ml->next) {		for (const MetaElem *ml = mb->editelems->first; ml != NULL; ml = ml->next) {
if (ml->flag & SELECT) {		if (ml->flag & SELECT) {
return true;		return true;
}		}
Show All 18 Lines	bool BKE_mball_is_any_unselected(const MetaBall *mb)
for (const MetaElem *ml = mb->editelems->first; ml != NULL; ml = ml->next) {		for (const MetaElem *ml = mb->editelems->first; ml != NULL; ml = ml->next) {
if ((ml->flag & SELECT) == 0) {		if ((ml->flag & SELECT) == 0) {
return true;		return true;
}		}
}		}
return false;		return false;
}		}

void BKE_mball_properties_copy(Scene scene, Object active_object)		static void mball_data_properties_copy(MetaBall mb_dst, MetaBall mb_src)
{		{
Scene *sce_iter = scene;		mb_dst->wiresize = mb_src->wiresize;
Base *base;		mb_dst->rendersize = mb_src->rendersize;
Object *ob;		mb_dst->thresh = mb_src->thresh;
MetaBall active_mball = (MetaBall )active_object->data;		mb_dst->flag = mb_src->flag;
int basisnr, obnr;		DEG_id_tag_update(&mb_dst->id, 0);
char basisname[MAX_ID_NAME], obname[MAX_ID_NAME];		}
SceneBaseIter iter;
		void BKE_mball_properties_copy(Main bmain, MetaBall metaball_src)
		{
		/* WARNING: This code does not cover all potential corner-cases. E.g. if:
		* \| Object \| ObData \|
		* \| ---------- \| ---------- \|
		* \| Meta_A \| Meta_A \|
		* \| Meta_A.001 \| Meta_A.001 \|
		* \| Meta_B \| Meta_A \|
		* \| Meta_B.001 \| Meta_B.001 \|
		*
		* Calling this function with `metaball_src` being `Meta_A.001` will update `Meta_A`, but NOT
		* `Meta_B.001`. So in the 'Meta_B' family, the two metaballs will have unmatching settings now.
		*
		* Solving this case would drastically increase the complexity of this code though, so don't
		* think it would be worth it.
		*/
		for (Object *ob_src = bmain->objects.first; ob_src != NULL && !ID_IS_LINKED(ob_src);) {
		if (ob_src->data != metaball_src) {
		ob_src = ob_src->id.next;
		continue;
		}

BLI_split_name_num(basisname, &basisnr, active_object->id.name + 2, '.');		/* In this code we take advantage of two facts:
		* - MetaBalls of a same family have the same basis name,
		sergeyUnsubmitted Not Done Inline Actions Think here and later it should be `the family`. sergey: Think here and later it should be `the family`.
		* - IDs are sorted by name in their Main listbase.
		* So, all MetaBall objects of a same family are contiguous in bmain list (potentially mixed
		* with non-meta-ball objects with same basis names).
		*
		* Using this, it is possible to process the whole set of meta-balls with a single loop on the
		* whole list of Objects, though additionally going backward on part of the list in some cases.
		*/
		Object *ob_iter = NULL;
		int obactive_nr, ob_nr;
		char obactive_name[MAX_ID_NAME], ob_name[MAX_ID_NAME];
		BLI_split_name_num(obactive_name, &obactive_nr, ob_src->id.name + 2, '.');

/* Pass depsgraph as NULL, which means we will not expand into		for (ob_iter = ob_src->id.prev; ob_iter != NULL; ob_iter = ob_iter->id.prev) {
* duplis unlike when we generate the meta-ball. Expanding duplis		if (ob_iter->id.name[2] != obactive_name[0]) {
* would not be compatible when editing multiple view layers. */		break;
BKE_scene_base_iter_next(NULL, &iter, &sce_iter, 0, NULL, NULL);		}
while (BKE_scene_base_iter_next(NULL, &iter, &sce_iter, 1, &base, &ob)) {		if (ob_iter->type != OB_MBALL \|\| ob_iter->data == metaball_src) {
if (ob->type == OB_MBALL) {		continue;
if (ob != active_object) {		}
BLI_split_name_num(obname, &obnr, ob->id.name + 2, '.');		BLI_split_name_num(ob_name, &ob_nr, ob_iter->id.name + 2, '.');
		if (!STREQ(obactive_name, ob_name)) {
		break;
		}

/* Object ob has to be in same "group" ... it means, that it has to have		mball_data_properties_copy(ob_iter->data, metaball_src);
* same base of its name */		}
if (STREQ(obname, basisname)) {
MetaBall *mb = ob->data;

/* Copy properties from selected/edited metaball */		for (ob_iter = ob_src->id.next; ob_iter != NULL; ob_iter = ob_iter->id.next) {
mb->wiresize = active_mball->wiresize;		if (ob_iter->id.name[2] != obactive_name[0] \|\| ID_IS_LINKED(ob_iter)) {
mb->rendersize = active_mball->rendersize;		break;
mb->thresh = active_mball->thresh;
mb->flag = active_mball->flag;
DEG_id_tag_update(&mb->id, 0);
}		}
		if (ob_iter->type != OB_MBALL \|\| ob_iter->data == metaball_src) {
		continue;
}		}
		BLI_split_name_num(ob_name, &ob_nr, ob_iter->id.name + 2, '.');
		if (!STREQ(obactive_name, ob_name)) {
		break;
}		}

		mball_data_properties_copy(ob_iter->data, metaball_src);
		}

		ob_src = ob_iter;
}		}
}		}

Object BKE_mball_basis_find(Scene scene, Object *object)		Object BKE_mball_basis_find(Scene scene, Object *object)
{		{
Object *bob = object;		Object *bob = object;
int basisnr, obnr;		int basisnr, obnr;
char basisname[MAX_ID_NAME], obname[MAX_ID_NAME];		char basisname[MAX_ID_NAME], obname[MAX_ID_NAME];
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