Differential D4398 Diff 13815 source/blender/blenkernel/intern/mball.c

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source/blender/blenkernel/intern/mball.c

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	{	{
	BLI_assert(MEMCMP_STRUCT_OFS_IS_ZERO(mb, id));	BLI_assert(MEMCMP_STRUCT_OFS_IS_ZERO(mb, id));

		mb->is_basis = false;

	mb->size[0] = mb->size[1] = mb->size[2] = 1.0;	mb->size[0] = mb->size[1] = mb->size[2] = 1.0;
	mb->texflag = MB_AUTOSPACE;	mb->texflag = MB_AUTOSPACE;

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	{	{
	MetaBall *mb_copy;	MetaBall *mb_copy;
	BKE_id_copy(bmain, &mb->id, (ID **)&mb_copy);	BKE_id_copy(bmain, &mb->id, (ID **)&mb_copy);
		mb_copy->is_basis = false;
	return mb_copy;	return mb_copy;
	}	}

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	return orcodata;	return orcodata;
	}	}

	/* Note on mball basis stuff 2.5x (this is a can of worms)	/* Test if Object ob is a basis MetaBall /
	* This really needs a rewrite/refactor its totally broken in anything other then basic cases	bool BKE_mball_is_basis(Object *ob)
	* Multiple Scenes + Set Scenes & mixing mball basis SHOULD work but fails to update the depsgraph on rename	{
	* and linking into scenes or removal of basis mball. so take care when changing this code.	BLI_assert(ob->type == OB_MBALL);
	*	MetaBall mball = (MetaBall )ob->data;
	* Main idiot thing here is that the system returns find_basis_mball() objects which fail a is_basis_mball() test.
	*
	* Not only that but the depsgraph and their areas depend on this behavior!, so making small fixes here isn't worth it.
	* - Campbell
	*/

		return (mball->is_basis);
		}

	/** \brief Test, if Object *ob is basic MetaBall.	static void mball_set_basis(Object *ob, bool is_basis)
	*
	* It test last character of Object ID name. If last character
	* is digit it return 0, else it return 1.
	*/
	bool BKE_mball_is_basis(Object *ob)
	{	{
	/* just a quick test */	MetaBall mball = (MetaBall )ob->data;
	const int len = strlen(ob->id.name);
	return (!isdigit(ob->id.name[len - 1]));	mball->is_basis = is_basis;
	}	}

	/* return nonzero if ob1 is a basis mball for ob */	/* return nonzero if ob1 is a basis mball for ob */
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	}	}
	}	}

	/** \brief This function finds basic MetaBall.	/** \brief This function finds the basis MetaBall.
	*	*
	* Basic MetaBall doesn't include any number at the end of	* All MetaBalls with the same base of name can be blended.
	* its name. All MetaBalls with same base of name can be	* MetaBalls with different basic name can't be blended.
	* blended. MetaBalls with different basic name can't be
	* blended.
	*	*
	* warning!, is_basis_mball() can fail on returned object, see long note above.
	*/	*/
	Object BKE_mball_basis_find(Scene scene, Object *basis)	Object BKE_mball_basis_find(Scene scene, Object *basis)
	{	{
	Object *bob = basis;	if (BKE_mball_is_basis(basis)){
	int basisnr, obnr;	return basis;
	char basisname[MAX_ID_NAME], obname[MAX_ID_NAME];	}

	BLI_split_name_num(basisname, &basisnr, basis->id.name + 2, '.');

		Object *bob = basis;
	for (ViewLayer *view_layer = scene->view_layers.first; view_layer; view_layer = view_layer->next) {	for (ViewLayer *view_layer = scene->view_layers.first; view_layer; view_layer = view_layer->next) {
	for (Base *base = view_layer->object_bases.first; base; base = base->next) {	for (Base *base = view_layer->object_bases.first; base; base = base->next) {
	Object *ob = base->object;	Object *ob = base->object;
	if ((ob->type == OB_MBALL) && !(base->flag & BASE_FROM_DUPLI)) {	if ((ob->type == OB_MBALL) && !(base->flag & BASE_FROM_DUPLI)) {
	if (ob != bob) {	if (ob != bob) {
	BLI_split_name_num(obname, &obnr, ob->id.name + 2, '.');	if (BKE_mball_is_basis_for(ob, basis)) {
		return ob;
	/* object ob has to be in same "group" ... it means, that it has to have same base of its name */
	if (STREQ(obname, basisname)) {
	if (obnr < basisnr) {
	basis = ob;
	basisnr = obnr;
	}
	}	}
	}	}
	}	}
	}	}
	}	}

		/* No basis object found, so set the input object to basis */
		mball_set_basis(basis, true);
	return basis;	return basis;
	}	}

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