99 lines
3.3 KiB
C++
99 lines
3.3 KiB
C++
/* SPDX-FileCopyrightText: 2001-2002 NaN Holding BV. All rights reserved.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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#include "BLI_span.hh"
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/** \file
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* \ingroup bke
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*/
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struct Base;
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struct Depsgraph;
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struct Main;
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struct MetaBall;
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struct MetaElem;
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struct Object;
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struct Scene;
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MetaBall *BKE_mball_add(Main *bmain, const char *name);
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bool BKE_mball_is_any_selected(const MetaBall *mb);
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bool BKE_mball_is_any_selected_multi(blender::Span<Base *> bases);
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bool BKE_mball_is_any_unselected(const MetaBall *mb);
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/**
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* Return `true` if `ob1` and `ob2` are part of the same metaBall group.
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*
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* \note Currently checks whether their two base names (without numerical suffix) is the same.
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*/
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bool BKE_mball_is_same_group(const Object *ob1, const Object *ob2);
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/**
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* Return `true` if `ob1` and `ob2` are part of the same metaBall group, and `ob1` is its
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* basis.
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*/
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bool BKE_mball_is_basis_for(const Object *ob1, const Object *ob2);
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/**
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* Test, if \a ob is a basis meta-ball.
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*
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* It test last character of Object ID name.
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* If last character is digit it return 0, else it return 1.
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*/
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bool BKE_mball_is_basis(const Object *ob);
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/**
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* This function finds the basis meta-ball.
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*
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* Basis meta-ball doesn't include any number at the end of
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* its name. All meta-balls with same base of name can be
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* blended. meta-balls with different basic name can't be blended.
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*
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* \warning #BKE_mball_is_basis() can fail on returned object, see function docs for details.
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*/
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Object *BKE_mball_basis_find(Scene *scene, Object *ob);
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/**
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* Copy some properties from a meta-ball obdata to all other meta-ball obdata belonging to the same
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* family (i.e. object sharing the same name basis).
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*
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* When some properties (wire-size, threshold, update flags) of meta-ball are changed, then this
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* properties are copied to all meta-balls in same "group" (meta-balls with same base name:
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* `MBall`, `MBall.001`, `MBall.002`, etc). The most important is to copy properties to the base
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* meta-ball, because this meta-ball influences polygonization of meta-balls.
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*/
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void BKE_mball_properties_copy(Main *bmain, MetaBall *metaball_src);
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bool BKE_mball_minmax_ex(
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const MetaBall *mb, float min[3], float max[3], const float obmat[4][4], short flag);
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/* Basic vertex data functions. */
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bool BKE_mball_minmax(const MetaBall *mb, float min[3], float max[3]);
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bool BKE_mball_center_median(const MetaBall *mb, float r_cent[3]);
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bool BKE_mball_center_bounds(const MetaBall *mb, float r_cent[3]);
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void BKE_mball_transform(MetaBall *mb, const float mat[4][4], bool do_props);
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void BKE_mball_translate(MetaBall *mb, const float offset[3]);
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/**
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* Most simple meta-element adding function.
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*
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* \note don't do context manipulation here (rna uses).
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*/
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MetaElem *BKE_mball_element_add(MetaBall *mb, int type);
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/* *** Select functions *** */
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int BKE_mball_select_count(const MetaBall *mb);
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int BKE_mball_select_count_multi(blender::Span<Base *> bases);
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bool BKE_mball_select_all(MetaBall *mb);
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bool BKE_mball_select_all_multi_ex(blender::Span<Base *> bases);
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bool BKE_mball_deselect_all(MetaBall *mb);
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bool BKE_mball_deselect_all_multi_ex(blender::Span<Base *> bases);
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bool BKE_mball_select_swap(MetaBall *mb);
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bool BKE_mball_select_swap_multi_ex(blender::Span<Base *> bases);
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/* **** Depsgraph evaluation **** */
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void BKE_mball_data_update(Depsgraph *depsgraph, Scene *scene, Object *ob);
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