854cdd1180
"mesh" reads much better than "me" since "me" is a different word. There's no reason to avoid using two more characters here. Replacing all of these at once is better than encountering it repeatedly and doing the same change bit by bit.
130 lines
5.4 KiB
C++
130 lines
5.4 KiB
C++
/* SPDX-FileCopyrightText: 2023 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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/** \file
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* \ingroup bke
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*/
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#pragma once
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#include "BLI_array.hh"
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#include "BLI_math_matrix.hh"
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#include "BLI_span.hh"
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struct BMEditMesh;
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struct Depsgraph;
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struct Mesh;
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struct Object;
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struct ReportList;
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struct Scene;
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namespace blender::bke::crazyspace {
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/**
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* Contains information about how points have been deformed during evaluation.
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* This allows mapping edits on evaluated data back to original data in some cases.
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*/
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struct GeometryDeformation {
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/**
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* Positions of the deformed points. This may also point to the original position if no
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* deformation data is available.
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*/
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Span<float3> positions;
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/**
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* Matrices that transform point translations on original data into corresponding translations in
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* evaluated data. This may be empty if not available.
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*/
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Span<float3x3> deform_mats;
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float3 translation_from_deformed_to_original(const int position_i,
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const float3 &translation) const
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{
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if (this->deform_mats.is_empty()) {
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return translation;
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}
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const float3x3 &deform_mat = this->deform_mats[position_i];
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return math::transform_point(math::invert(deform_mat), translation);
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}
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};
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/**
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* During evaluation of the object, deformation data may have been generated for this object. This
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* function either retrieves the deformation data from the evaluated object, or falls back to
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* returning the original data.
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*/
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GeometryDeformation get_evaluated_curves_deformation(const Object *ob_eval, const Object &ob_orig);
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GeometryDeformation get_evaluated_curves_deformation(const Depsgraph &depsgraph,
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const Object &ob_orig);
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GeometryDeformation get_evaluated_grease_pencil_drawing_deformation(const Object *ob_eval,
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const Object &ob_orig,
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int layer_index,
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int frame);
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GeometryDeformation get_evaluated_grease_pencil_drawing_deformation(const Depsgraph &depsgraph,
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const Object &ob_orig,
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int layer_index,
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int frame);
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} // namespace blender::bke::crazyspace
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/**
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* Disable subdivision-surface temporal, get mapped coordinates, and enable it.
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*/
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blender::Array<blender::float3> BKE_crazyspace_get_mapped_editverts(Depsgraph *depsgraph,
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Object *obedit);
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void BKE_crazyspace_set_quats_editmesh(BMEditMesh *em,
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blender::Span<blender::float3> origcos,
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blender::Span<blender::float3> mappedcos,
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float (*quats)[4],
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bool use_select);
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void BKE_crazyspace_set_quats_mesh(Mesh *mesh,
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blender::Span<blender::float3> origcos,
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blender::Span<blender::float3> mappedcos,
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float (*quats)[4]);
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/**
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* Returns an array of deform matrices for crazy-space correction,
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* and the number of modifiers left.
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*/
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int BKE_crazyspace_get_first_deform_matrices_editbmesh(
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Depsgraph *depsgraph,
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Scene *,
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Object *,
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BMEditMesh *em,
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blender::Array<blender::float3x3, 0> &deformmats,
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blender::Array<blender::float3, 0> &deformcos);
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int BKE_sculpt_get_first_deform_matrices(Depsgraph *depsgraph,
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Scene *scene,
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Object *ob,
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blender::Array<blender::float3x3, 0> &deformmats,
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blender::Array<blender::float3, 0> &deformcos);
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void BKE_crazyspace_build_sculpt(Depsgraph *depsgraph,
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Scene *scene,
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Object *ob,
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blender::Array<blender::float3x3, 0> &deformmats,
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blender::Array<blender::float3, 0> &deformcos);
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/* -------------------------------------------------------------------- */
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/** \name Crazy-Space API
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* \{ */
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void BKE_crazyspace_api_eval(Depsgraph *depsgraph,
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Scene *scene,
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Object *object,
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ReportList *reports);
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void BKE_crazyspace_api_displacement_to_deformed(Object *object,
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ReportList *reports,
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int vertex_index,
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const float displacement[3],
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float r_displacement_deformed[3]);
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void BKE_crazyspace_api_displacement_to_original(Object *object,
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ReportList *reports,
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int vertex_index,
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const float displacement_deformed[3],
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float r_displacement[3]);
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void BKE_crazyspace_api_eval_clear(Object *object);
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/** \} */
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