BKE_mball.hh

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/* SPDX-FileCopyrightText: 2001-2002 NaN Holding BV. All rights reserved.
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include "BLI_math_vector_types.hh"
#include "BLI_span.hh"

 
struct Base;
struct Depsgraph;
struct Main;
struct MetaBall;
struct MetaElem;
struct Object;
struct Scene;
 
MetaBall *BKE_mball_add(Main *bmain, const char *name);
 
bool BKE_mball_is_any_selected(const MetaBall *mb);
bool BKE_mball_is_any_selected_multi(blender::Span<Base *> bases);
bool BKE_mball_is_any_unselected(const MetaBall *mb);

bool BKE_mball_is_same_group(const Object *ob1, const Object *ob2);
bool BKE_mball_is_basis_for(const Object *ob1, const Object *ob2);
bool BKE_mball_is_basis(const Object *ob);
Object *BKE_mball_basis_find(Scene *scene, Object *ob);

void BKE_mball_properties_copy(Main *bmain, MetaBall *metaball_src);
 
bool BKE_mball_minmax_ex(
    const MetaBall *mb, float min[3], float max[3], const float obmat[4][4], short flag);
 
/* Basic vertex data functions. */
 
bool BKE_mball_minmax(const MetaBall *mb, float min[3], float max[3]);
bool BKE_mball_center_median(const MetaBall *mb, float r_cent[3]);
bool BKE_mball_center_bounds(const MetaBall *mb, float r_cent[3]);
void BKE_mball_transform(MetaBall *mb, const float mat[4][4], bool do_props);
void BKE_mball_translate(MetaBall *mb, const float offset[3]);

MetaElem *BKE_mball_element_add(MetaBall *mb, int type);

blender::float2 BKE_mball_element_display_radius_calc_with_stiffness(const MetaElem *ml);
float BKE_mball_element_display_radius_calc(const MetaElem *ml);
 
/* *** Select functions *** */
 
int BKE_mball_select_count(const MetaBall *mb);
int BKE_mball_select_count_multi(blender::Span<Base *> bases);
bool BKE_mball_select_all(MetaBall *mb);
bool BKE_mball_select_all_multi_ex(blender::Span<Base *> bases);
bool BKE_mball_deselect_all(MetaBall *mb);
bool BKE_mball_deselect_all_multi_ex(blender::Span<Base *> bases);
bool BKE_mball_select_swap(MetaBall *mb);
bool BKE_mball_select_swap_multi_ex(blender::Span<Base *> bases);
 
/* **** Depsgraph evaluation **** */
 
void BKE_mball_data_update(Depsgraph *depsgraph, Scene *scene, Object *ob);