MOD_weightvg_util.hh

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/* SPDX-FileCopyrightText: 2011 by Bastien Montagne. All rights reserved.
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */

 
#pragma once
 
#include "DNA_object_types.h"
 
struct bContext;
struct CurveMapping;
struct MDeformVert;
struct MDeformWeight;
struct Mesh;
struct ModifierEvalContext;
struct Object;
struct PointerRNA;
struct RNG;
struct Scene;
struct Tex;
struct uiLayout;
 
/*
 * XXX I'd like to make modified weights visible in WeightPaint mode,
 *     but couldn't figure a way to do this...
 *     Maybe this will need changes in mesh_calc_modifiers?
 *     Or the WeightPaint mode code itself?
 */
 
/**************************************
 * Util functions.                    *
 **************************************/

#define MOD_WVG_ZEROFLOOR 1.0e-32f

void weightvg_do_map(
    int num, float *new_w, short falloff_type, bool do_invert, CurveMapping *cmap, RNG *rng);

void weightvg_do_mask(const ModifierEvalContext *ctx,
                      int num,
                      const int *indices,
                      float *org_w,
                      const float *new_w,
                      Object *ob,
                      Mesh *mesh,
                      float fact,
                      const char defgrp_name[MAX_VGROUP_NAME],
                      Scene *scene,
                      Tex *texture,
                      int tex_use_channel,
                      int tex_mapping,
                      Object *tex_map_object,
                      const char *text_map_bone,
                      const char *tex_uvlayer_name,
                      bool invert_vgroup_mask);

void weightvg_update_vg(MDeformVert *dvert,
                        int defgrp_idx,
                        MDeformWeight **dws,
                        int num,
                        const int *indices,
                        const float *weights,
                        bool do_add,
                        float add_thresh,
                        bool do_rem,
                        float rem_thresh,
                        bool do_normalize);

void weightvg_ui_common(const bContext *C, PointerRNA *ob_ptr, PointerRNA *ptr, uiLayout *layout);