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|
/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2011 by Bastien Montagne. All rights reserved. */
/** \file
* \ingroup modifiers
*/
#include "BLI_utildefines.h"
#include "BLI_ghash.h"
#include "BLI_listbase.h"
#include "BLI_math.h"
#include "BLI_rand.h"
#include "BLI_task.h"
#include "BLT_translation.h"
#include "DNA_color_types.h" /* CurveMapping. */
#include "DNA_defaults.h"
#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_modifier_types.h"
#include "DNA_object_types.h"
#include "DNA_screen_types.h"
#include "BKE_bvhutils.h"
#include "BKE_colortools.h" /* CurveMapping. */
#include "BKE_context.h"
#include "BKE_curve.h"
#include "BKE_customdata.h"
#include "BKE_deform.h"
#include "BKE_lib_id.h"
#include "BKE_lib_query.h"
#include "BKE_mesh.h"
#include "BKE_mesh_wrapper.h"
#include "BKE_modifier.h"
#include "BKE_screen.h"
#include "BKE_texture.h" /* Texture masking. */
#include "UI_interface.h"
#include "UI_resources.h"
#include "BLO_read_write.h"
#include "RNA_access.h"
#include "RNA_prototypes.h"
#include "DEG_depsgraph_build.h"
#include "DEG_depsgraph_query.h"
#include "MEM_guardedalloc.h"
#include "MOD_modifiertypes.h"
#include "MOD_ui_common.h"
#include "MOD_util.h"
#include "MOD_weightvg_util.h"
//#define USE_TIMEIT
#ifdef USE_TIMEIT
# include "PIL_time.h"
# include "PIL_time_utildefines.h"
#endif
/**************************************
* Util functions. *
**************************************/
/* Util macro. */
#define OUT_OF_MEMORY() ((void)printf("WeightVGProximity: Out of memory.\n"))
typedef struct Vert2GeomData {
/* Read-only data */
float (*v_cos)[3];
const SpaceTransform *loc2trgt;
BVHTreeFromMesh *treeData[3];
/* Write data, but not needing locking (two different threads will never write same index). */
float *dist[3];
} Vert2GeomData;
/**
* Data which is localized to each computed chunk
* (i.e. thread-safe, and with continuous subset of index range).
*/
typedef struct Vert2GeomDataChunk {
/* Read-only data */
float last_hit_co[3][3];
bool is_init[3];
} Vert2GeomDataChunk;
/**
* Callback used by BLI_task 'for loop' helper.
*/
static void vert2geom_task_cb_ex(void *__restrict userdata,
const int iter,
const TaskParallelTLS *__restrict tls)
{
Vert2GeomData *data = userdata;
Vert2GeomDataChunk *data_chunk = tls->userdata_chunk;
float tmp_co[3];
int i;
/* Convert the vertex to tree coordinates. */
copy_v3_v3(tmp_co, data->v_cos[iter]);
BLI_space_transform_apply(data->loc2trgt, tmp_co);
for (i = 0; i < ARRAY_SIZE(data->dist); i++) {
if (data->dist[i]) {
BVHTreeNearest nearest = {0};
/* Note that we use local proximity heuristics (to reduce the nearest search).
*
* If we already had an hit before in same chunk of tasks (i.e. previous vertex by index),
* we assume this vertex is going to have a close hit to that other vertex,
* so we can initiate the "nearest.dist" with the expected value to that last hit.
* This will lead in pruning of the search tree.
*/
nearest.dist_sq = data_chunk->is_init[i] ?
len_squared_v3v3(tmp_co, data_chunk->last_hit_co[i]) :
FLT_MAX;
nearest.index = -1;
/* Compute and store result. If invalid (-1 idx), keep FLT_MAX dist. */
BLI_bvhtree_find_nearest(data->treeData[i]->tree,
tmp_co,
&nearest,
data->treeData[i]->nearest_callback,
data->treeData[i]);
data->dist[i][iter] = sqrtf(nearest.dist_sq);
if (nearest.index != -1) {
copy_v3_v3(data_chunk->last_hit_co[i], nearest.co);
data_chunk->is_init[i] = true;
}
}
}
}
/**
* Find nearest vertex and/or edge and/or face, for each vertex (adapted from shrinkwrap.c).
*/
static void get_vert2geom_distance(int numVerts,
float (*v_cos)[3],
float *dist_v,
float *dist_e,
float *dist_f,
Mesh *target,
const SpaceTransform *loc2trgt)
{
Vert2GeomData data = {0};
Vert2GeomDataChunk data_chunk = {{{0}}};
BVHTreeFromMesh treeData_v = {NULL};
BVHTreeFromMesh treeData_e = {NULL};
BVHTreeFromMesh treeData_f = {NULL};
if (dist_v) {
/* Create a BVH-tree of the given target's verts. */
BKE_bvhtree_from_mesh_get(&treeData_v, target, BVHTREE_FROM_VERTS, 2);
if (treeData_v.tree == NULL) {
OUT_OF_MEMORY();
return;
}
}
if (dist_e) {
/* Create a BVH-tree of the given target's edges. */
BKE_bvhtree_from_mesh_get(&treeData_e, target, BVHTREE_FROM_EDGES, 2);
if (treeData_e.tree == NULL) {
OUT_OF_MEMORY();
return;
}
}
if (dist_f) {
/* Create a BVH-tree of the given target's faces. */
BKE_bvhtree_from_mesh_get(&treeData_f, target, BVHTREE_FROM_LOOPTRI, 2);
if (treeData_f.tree == NULL) {
OUT_OF_MEMORY();
return;
}
}
data.v_cos = v_cos;
data.loc2trgt = loc2trgt;
data.treeData[0] = &treeData_v;
data.treeData[1] = &treeData_e;
data.treeData[2] = &treeData_f;
data.dist[0] = dist_v;
data.dist[1] = dist_e;
data.dist[2] = dist_f;
TaskParallelSettings settings;
BLI_parallel_range_settings_defaults(&settings);
settings.use_threading = (numVerts > 10000);
settings.userdata_chunk = &data_chunk;
settings.userdata_chunk_size = sizeof(data_chunk);
BLI_task_parallel_range(0, numVerts, &data, vert2geom_task_cb_ex, &settings);
if (dist_v) {
free_bvhtree_from_mesh(&treeData_v);
}
if (dist_e) {
free_bvhtree_from_mesh(&treeData_e);
}
if (dist_f) {
free_bvhtree_from_mesh(&treeData_f);
}
}
/**
* Returns the real distance between a vertex and another reference object.
* Note that it works in final world space (i.e. with constraints etc. applied).
*/
static void get_vert2ob_distance(
int numVerts, float (*v_cos)[3], float *dist, Object *ob, Object *obr)
{
/* Vertex and ref object coordinates. */
float v_wco[3];
uint i = numVerts;
while (i-- > 0) {
/* Get world-coordinates of the vertex (constraints and anim included). */
mul_v3_m4v3(v_wco, ob->obmat, v_cos[i]);
/* Return distance between both coordinates. */
dist[i] = len_v3v3(v_wco, obr->obmat[3]);
}
}
/**
* Returns the real distance between an object and another reference object.
* Note that it works in final world space (i.e. with constraints etc. applied).
*/
static float get_ob2ob_distance(const Object *ob, const Object *obr)
{
return len_v3v3(ob->obmat[3], obr->obmat[3]);
}
/**
* Maps distances to weights, with an optional "smoothing" mapping.
*/
static void do_map(Object *ob,
float *weights,
const int nidx,
const float min_d,
const float max_d,
short mode,
const bool do_invert_mapping,
CurveMapping *cmap)
{
const float range_inv = 1.0f / (max_d - min_d); /* invert since multiplication is faster */
uint i = nidx;
if (max_d == min_d) {
while (i-- > 0) {
weights[i] = (weights[i] >= max_d) ? 1.0f : 0.0f; /* "Step" behavior... */
}
}
else if (max_d > min_d) {
while (i-- > 0) {
if (weights[i] >= max_d) {
weights[i] = 1.0f; /* most likely case first */
}
else if (weights[i] <= min_d) {
weights[i] = 0.0f;
}
else {
weights[i] = (weights[i] - min_d) * range_inv;
}
}
}
else {
while (i-- > 0) {
if (weights[i] <= max_d) {
weights[i] = 1.0f; /* most likely case first */
}
else if (weights[i] >= min_d) {
weights[i] = 0.0f;
}
else {
weights[i] = (weights[i] - min_d) * range_inv;
}
}
}
if (do_invert_mapping || mode != MOD_WVG_MAPPING_NONE) {
RNG *rng = NULL;
if (mode == MOD_WVG_MAPPING_RANDOM) {
rng = BLI_rng_new_srandom(BLI_ghashutil_strhash(ob->id.name + 2));
}
weightvg_do_map(nidx, weights, mode, do_invert_mapping, cmap, rng);
if (rng) {
BLI_rng_free(rng);
}
}
}
/**************************************
* Modifiers functions. *
**************************************/
static void initData(ModifierData *md)
{
WeightVGProximityModifierData *wmd = (WeightVGProximityModifierData *)md;
BLI_assert(MEMCMP_STRUCT_AFTER_IS_ZERO(wmd, modifier));
MEMCPY_STRUCT_AFTER(wmd, DNA_struct_default_get(WeightVGProximityModifierData), modifier);
wmd->cmap_curve = BKE_curvemapping_add(1, 0.0, 0.0, 1.0, 1.0);
BKE_curvemapping_init(wmd->cmap_curve);
}
static void freeData(ModifierData *md)
{
WeightVGProximityModifierData *wmd = (WeightVGProximityModifierData *)md;
BKE_curvemapping_free(wmd->cmap_curve);
}
static void copyData(const ModifierData *md, ModifierData *target, const int flag)
{
const WeightVGProximityModifierData *wmd = (const WeightVGProximityModifierData *)md;
WeightVGProximityModifierData *twmd = (WeightVGProximityModifierData *)target;
BKE_modifier_copydata_generic(md, target, flag);
twmd->cmap_curve = BKE_curvemapping_copy(wmd->cmap_curve);
}
static void requiredDataMask(Object *UNUSED(ob),
ModifierData *md,
CustomData_MeshMasks *r_cddata_masks)
{
WeightVGProximityModifierData *wmd = (WeightVGProximityModifierData *)md;
/* We need vertex groups! */
r_cddata_masks->vmask |= CD_MASK_MDEFORMVERT;
/* Ask for UV coordinates if we need them. */
if (wmd->mask_tex_mapping == MOD_DISP_MAP_UV) {
r_cddata_masks->fmask |= CD_MASK_MTFACE;
}
/* No need to ask for CD_PREVIEW_MLOOPCOL... */
}
static bool dependsOnTime(struct Scene *UNUSED(scene),
ModifierData *md,
const int UNUSED(dag_eval_mode))
{
WeightVGProximityModifierData *wmd = (WeightVGProximityModifierData *)md;
if (wmd->mask_texture) {
return BKE_texture_dependsOnTime(wmd->mask_texture);
}
return 0;
}
static void foreachIDLink(ModifierData *md, Object *ob, IDWalkFunc walk, void *userData)
{
WeightVGProximityModifierData *wmd = (WeightVGProximityModifierData *)md;
walk(userData, ob, (ID **)&wmd->mask_texture, IDWALK_CB_USER);
walk(userData, ob, (ID **)&wmd->proximity_ob_target, IDWALK_CB_NOP);
walk(userData, ob, (ID **)&wmd->mask_tex_map_obj, IDWALK_CB_NOP);
}
static void foreachTexLink(ModifierData *md, Object *ob, TexWalkFunc walk, void *userData)
{
walk(userData, ob, md, "mask_texture");
}
static void updateDepsgraph(ModifierData *md, const ModifierUpdateDepsgraphContext *ctx)
{
WeightVGProximityModifierData *wmd = (WeightVGProximityModifierData *)md;
bool need_transform_relation = false;
if (wmd->proximity_ob_target != NULL) {
DEG_add_object_relation(
ctx->node, wmd->proximity_ob_target, DEG_OB_COMP_TRANSFORM, "WeightVGProximity Modifier");
if (wmd->proximity_ob_target->data != NULL &&
wmd->proximity_mode == MOD_WVG_PROXIMITY_GEOMETRY) {
DEG_add_object_relation(
ctx->node, wmd->proximity_ob_target, DEG_OB_COMP_GEOMETRY, "WeightVGProximity Modifier");
}
need_transform_relation = true;
}
if (wmd->mask_texture != NULL) {
DEG_add_generic_id_relation(ctx->node, &wmd->mask_texture->id, "WeightVGProximity Modifier");
if (wmd->mask_tex_map_obj != NULL && wmd->mask_tex_mapping == MOD_DISP_MAP_OBJECT) {
MOD_depsgraph_update_object_bone_relation(
ctx->node, wmd->mask_tex_map_obj, wmd->mask_tex_map_bone, "WeightVGProximity Modifier");
need_transform_relation = true;
}
else if (wmd->mask_tex_mapping == MOD_DISP_MAP_GLOBAL) {
need_transform_relation = true;
}
}
if (need_transform_relation) {
DEG_add_modifier_to_transform_relation(ctx->node, "WeightVGProximity Modifier");
}
}
static bool isDisabled(const struct Scene *UNUSED(scene),
ModifierData *md,
bool UNUSED(useRenderParams))
{
WeightVGProximityModifierData *wmd = (WeightVGProximityModifierData *)md;
/* If no vertex group, bypass. */
if (wmd->defgrp_name[0] == '\0') {
return true;
}
/* If no target object, bypass. */
return (wmd->proximity_ob_target == NULL);
}
static Mesh *modifyMesh(ModifierData *md, const ModifierEvalContext *ctx, Mesh *mesh)
{
BLI_assert(mesh != NULL);
WeightVGProximityModifierData *wmd = (WeightVGProximityModifierData *)md;
MDeformVert *dvert = NULL;
MDeformWeight **dw, **tdw;
float(*v_cos)[3] = NULL; /* The vertices coordinates. */
Object *ob = ctx->object;
Object *obr = NULL; /* Our target object. */
int defgrp_index;
float *tw = NULL;
float *org_w = NULL;
float *new_w = NULL;
int *tidx, *indices = NULL;
int numIdx = 0;
int i;
const bool invert_vgroup_mask = (wmd->proximity_flags & MOD_WVG_PROXIMITY_INVERT_VGROUP_MASK) !=
0;
const bool do_normalize = (wmd->proximity_flags & MOD_WVG_PROXIMITY_WEIGHTS_NORMALIZE) != 0;
/* Flags. */
#if 0
const bool do_prev = (wmd->modifier.mode & eModifierMode_DoWeightPreview) != 0;
#endif
#ifdef USE_TIMEIT
TIMEIT_START(perf);
#endif
/* Get number of verts. */
const int numVerts = mesh->totvert;
/* Check if we can just return the original mesh.
* Must have verts and therefore verts assigned to vgroups to do anything useful!
*/
if ((numVerts == 0) || BLI_listbase_is_empty(&mesh->vertex_group_names)) {
return mesh;
}
/* Get our target object. */
obr = wmd->proximity_ob_target;
if (obr == NULL) {
return mesh;
}
/* Get vgroup idx from its name. */
defgrp_index = BKE_id_defgroup_name_index(&mesh->id, wmd->defgrp_name);
if (defgrp_index == -1) {
return mesh;
}
const bool has_mdef = CustomData_has_layer(&mesh->vdata, CD_MDEFORMVERT);
/* If no vertices were ever added to an object's vgroup, dvert might be NULL. */
/* As this modifier never add vertices to vgroup, just return. */
if (!has_mdef) {
return mesh;
}
dvert = CustomData_duplicate_referenced_layer(&mesh->vdata, CD_MDEFORMVERT, numVerts);
/* Ultimate security check. */
if (!dvert) {
return mesh;
}
mesh->dvert = dvert;
/* Find out which vertices to work on (all vertices in vgroup), and get their relevant weight. */
tidx = MEM_malloc_arrayN(numVerts, sizeof(int), "WeightVGProximity Modifier, tidx");
tw = MEM_malloc_arrayN(numVerts, sizeof(float), "WeightVGProximity Modifier, tw");
tdw = MEM_malloc_arrayN(numVerts, sizeof(MDeformWeight *), "WeightVGProximity Modifier, tdw");
for (i = 0; i < numVerts; i++) {
MDeformWeight *_dw = BKE_defvert_find_index(&dvert[i], defgrp_index);
if (_dw) {
tidx[numIdx] = i;
tw[numIdx] = _dw->weight;
tdw[numIdx++] = _dw;
}
}
/* If no vertices found, return org data! */
if (numIdx == 0) {
MEM_freeN(tidx);
MEM_freeN(tw);
MEM_freeN(tdw);
return mesh;
}
if (numIdx != numVerts) {
indices = MEM_malloc_arrayN(numIdx, sizeof(int), "WeightVGProximity Modifier, indices");
memcpy(indices, tidx, sizeof(int) * numIdx);
org_w = MEM_malloc_arrayN(numIdx, sizeof(float), "WeightVGProximity Modifier, org_w");
memcpy(org_w, tw, sizeof(float) * numIdx);
dw = MEM_malloc_arrayN(numIdx, sizeof(MDeformWeight *), "WeightVGProximity Modifier, dw");
memcpy(dw, tdw, sizeof(MDeformWeight *) * numIdx);
MEM_freeN(tw);
MEM_freeN(tdw);
}
else {
org_w = tw;
dw = tdw;
}
new_w = MEM_malloc_arrayN(numIdx, sizeof(float), "WeightVGProximity Modifier, new_w");
MEM_freeN(tidx);
/* Get our vertex coordinates. */
if (numIdx != numVerts) {
float(*tv_cos)[3] = BKE_mesh_vert_coords_alloc(mesh, NULL);
v_cos = MEM_malloc_arrayN(numIdx, sizeof(float[3]), "WeightVGProximity Modifier, v_cos");
for (i = 0; i < numIdx; i++) {
copy_v3_v3(v_cos[i], tv_cos[indices[i]]);
}
MEM_freeN(tv_cos);
}
else {
v_cos = BKE_mesh_vert_coords_alloc(mesh, NULL);
}
/* Compute wanted distances. */
if (wmd->proximity_mode == MOD_WVG_PROXIMITY_OBJECT) {
const float dist = get_ob2ob_distance(ob, obr);
for (i = 0; i < numIdx; i++) {
new_w[i] = dist;
}
}
else if (wmd->proximity_mode == MOD_WVG_PROXIMITY_GEOMETRY) {
const bool use_trgt_verts = (wmd->proximity_flags & MOD_WVG_PROXIMITY_GEOM_VERTS) != 0;
const bool use_trgt_edges = (wmd->proximity_flags & MOD_WVG_PROXIMITY_GEOM_EDGES) != 0;
const bool use_trgt_faces = (wmd->proximity_flags & MOD_WVG_PROXIMITY_GEOM_FACES) != 0;
if (use_trgt_verts || use_trgt_edges || use_trgt_faces) {
Mesh *target_mesh = BKE_modifier_get_evaluated_mesh_from_evaluated_object(obr, false);
/* We must check that we do have a valid target_mesh! */
if (target_mesh != NULL) {
/* TODO: edit-mode versions of the BVH lookup functions are available so it could be
* avoided. */
BKE_mesh_wrapper_ensure_mdata(target_mesh);
SpaceTransform loc2trgt;
float *dists_v = use_trgt_verts ? MEM_malloc_arrayN(numIdx, sizeof(float), "dists_v") :
NULL;
float *dists_e = use_trgt_edges ? MEM_malloc_arrayN(numIdx, sizeof(float), "dists_e") :
NULL;
float *dists_f = use_trgt_faces ? MEM_malloc_arrayN(numIdx, sizeof(float), "dists_f") :
NULL;
BLI_SPACE_TRANSFORM_SETUP(&loc2trgt, ob, obr);
get_vert2geom_distance(numIdx, v_cos, dists_v, dists_e, dists_f, target_mesh, &loc2trgt);
for (i = 0; i < numIdx; i++) {
new_w[i] = dists_v ? dists_v[i] : FLT_MAX;
if (dists_e) {
new_w[i] = min_ff(dists_e[i], new_w[i]);
}
if (dists_f) {
new_w[i] = min_ff(dists_f[i], new_w[i]);
}
}
MEM_SAFE_FREE(dists_v);
MEM_SAFE_FREE(dists_e);
MEM_SAFE_FREE(dists_f);
}
/* Else, fall back to default obj2vert behavior. */
else {
get_vert2ob_distance(numIdx, v_cos, new_w, ob, obr);
}
}
else {
get_vert2ob_distance(numIdx, v_cos, new_w, ob, obr);
}
}
/* Map distances to weights. */
do_map(ob,
new_w,
numIdx,
wmd->min_dist,
wmd->max_dist,
wmd->falloff_type,
(wmd->proximity_flags & MOD_WVG_PROXIMITY_INVERT_FALLOFF) != 0,
wmd->cmap_curve);
/* Do masking. */
struct Scene *scene = DEG_get_evaluated_scene(ctx->depsgraph);
weightvg_do_mask(ctx,
numIdx,
indices,
org_w,
new_w,
ob,
mesh,
wmd->mask_constant,
wmd->mask_defgrp_name,
scene,
wmd->mask_texture,
wmd->mask_tex_use_channel,
wmd->mask_tex_mapping,
wmd->mask_tex_map_obj,
wmd->mask_tex_map_bone,
wmd->mask_tex_uvlayer_name,
invert_vgroup_mask);
/* Update vgroup. Note we never add nor remove vertices from vgroup here. */
weightvg_update_vg(
dvert, defgrp_index, dw, numIdx, indices, org_w, false, 0.0f, false, 0.0f, do_normalize);
/* If weight preview enabled... */
#if 0 /* XXX Currently done in mod stack :/ */
if (do_prev) {
DM_update_weight_mcol(ob, dm, 0, org_w, numIdx, indices);
}
#endif
/* Freeing stuff. */
MEM_freeN(org_w);
MEM_freeN(new_w);
MEM_freeN(dw);
MEM_freeN(v_cos);
MEM_SAFE_FREE(indices);
#ifdef USE_TIMEIT
TIMEIT_END(perf);
#endif
mesh->runtime.is_original = false;
/* Return the vgroup-modified mesh. */
return mesh;
}
static void panel_draw(const bContext *UNUSED(C), Panel *panel)
{
uiLayout *col;
uiLayout *layout = panel->layout;
PointerRNA ob_ptr;
PointerRNA *ptr = modifier_panel_get_property_pointers(panel, &ob_ptr);
uiLayoutSetPropSep(layout, true);
uiItemPointerR(layout, ptr, "vertex_group", &ob_ptr, "vertex_groups", NULL, ICON_NONE);
uiItemR(layout, ptr, "target", 0, NULL, ICON_NONE);
uiItemS(layout);
uiItemR(layout, ptr, "proximity_mode", 0, NULL, ICON_NONE);
if (RNA_enum_get(ptr, "proximity_mode") == MOD_WVG_PROXIMITY_GEOMETRY) {
uiItemR(layout, ptr, "proximity_geometry", UI_ITEM_R_EXPAND, IFACE_("Geometry"), ICON_NONE);
}
col = uiLayoutColumn(layout, true);
uiItemR(col, ptr, "min_dist", 0, NULL, ICON_NONE);
uiItemR(col, ptr, "max_dist", 0, NULL, ICON_NONE);
uiItemR(layout, ptr, "normalize", 0, NULL, ICON_NONE);
}
static void falloff_panel_draw(const bContext *UNUSED(C), Panel *panel)
{
uiLayout *row, *sub;
uiLayout *layout = panel->layout;
PointerRNA ob_ptr;
PointerRNA *ptr = modifier_panel_get_property_pointers(panel, &ob_ptr);
uiLayoutSetPropSep(layout, true);
row = uiLayoutRow(layout, true);
uiItemR(row, ptr, "falloff_type", 0, IFACE_("Type"), ICON_NONE);
sub = uiLayoutRow(row, true);
uiLayoutSetPropSep(sub, false);
uiItemR(row, ptr, "invert_falloff", 0, "", ICON_ARROW_LEFTRIGHT);
if (RNA_enum_get(ptr, "falloff_type") == MOD_WVG_MAPPING_CURVE) {
uiTemplateCurveMapping(layout, ptr, "map_curve", 0, false, false, false, false);
}
modifier_panel_end(layout, ptr);
}
static void influence_panel_draw(const bContext *C, Panel *panel)
{
uiLayout *layout = panel->layout;
PointerRNA ob_ptr;
PointerRNA *ptr = modifier_panel_get_property_pointers(panel, &ob_ptr);
weightvg_ui_common(C, &ob_ptr, ptr, layout);
}
static void panelRegister(ARegionType *region_type)
{
PanelType *panel_type = modifier_panel_register(
region_type, eModifierType_WeightVGProximity, panel_draw);
modifier_subpanel_register(
region_type, "falloff", "Falloff", NULL, falloff_panel_draw, panel_type);
modifier_subpanel_register(
region_type, "influence", "Influence", NULL, influence_panel_draw, panel_type);
}
static void blendWrite(BlendWriter *writer, const ModifierData *md)
{
const WeightVGProximityModifierData *wmd = (const WeightVGProximityModifierData *)md;
if (wmd->cmap_curve) {
BKE_curvemapping_blend_write(writer, wmd->cmap_curve);
}
}
static void blendRead(BlendDataReader *reader, ModifierData *md)
{
WeightVGProximityModifierData *wmd = (WeightVGProximityModifierData *)md;
BLO_read_data_address(reader, &wmd->cmap_curve);
if (wmd->cmap_curve) {
BKE_curvemapping_blend_read(reader, wmd->cmap_curve);
}
}
ModifierTypeInfo modifierType_WeightVGProximity = {
/* name */ "VertexWeightProximity",
/* structName */ "WeightVGProximityModifierData",
/* structSize */ sizeof(WeightVGProximityModifierData),
/* srna */ &RNA_VertexWeightProximityModifier,
/* type */ eModifierTypeType_NonGeometrical,
/* flags */ eModifierTypeFlag_AcceptsMesh | eModifierTypeFlag_SupportsMapping |
eModifierTypeFlag_SupportsEditmode | eModifierTypeFlag_UsesPreview,
/* icon */ ICON_MOD_VERTEX_WEIGHT,
/* copyData */ copyData,
/* deformVerts */ NULL,
/* deformMatrices */ NULL,
/* deformVertsEM */ NULL,
/* deformMatricesEM */ NULL,
/* modifyMesh */ modifyMesh,
/* modifyGeometrySet */ NULL,
/* initData */ initData,
/* requiredDataMask */ requiredDataMask,
/* freeData */ freeData,
/* isDisabled */ isDisabled,
/* updateDepsgraph */ updateDepsgraph,
/* dependsOnTime */ dependsOnTime,
/* dependsOnNormals */ NULL,
/* foreachIDLink */ foreachIDLink,
/* foreachTexLink */ foreachTexLink,
/* freeRuntimeData */ NULL,
/* panelRegister */ panelRegister,
/* blendWrite */ blendWrite,
/* blendRead */ blendRead,
};
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