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|
/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2009 by Nicholas Bishop. All rights reserved. */
/** \file
* \ingroup bke
*/
#include <cstdlib>
#include <cstring>
#include "MEM_guardedalloc.h"
#include "DNA_brush_types.h"
#include "DNA_gpencil_types.h"
#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_modifier_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "DNA_space_types.h"
#include "DNA_view3d_types.h"
#include "DNA_workspace_types.h"
#include "BLI_bitmap.h"
#include "BLI_hash.h"
#include "BLI_listbase.h"
#include "BLI_math_vector.h"
#include "BLI_string_utf8.h"
#include "BLI_utildefines.h"
#include "BLT_translation.h"
#include "BKE_attribute.h"
#include "BKE_attribute.hh"
#include "BKE_brush.h"
#include "BKE_ccg.h"
#include "BKE_colortools.h"
#include "BKE_context.h"
#include "BKE_crazyspace.h"
#include "BKE_deform.h"
#include "BKE_gpencil.h"
#include "BKE_idtype.h"
#include "BKE_image.h"
#include "BKE_key.h"
#include "BKE_layer.h"
#include "BKE_lib_id.h"
#include "BKE_main.h"
#include "BKE_material.h"
#include "BKE_mesh.h"
#include "BKE_mesh_mapping.h"
#include "BKE_mesh_runtime.h"
#include "BKE_modifier.h"
#include "BKE_multires.h"
#include "BKE_object.h"
#include "BKE_paint.h"
#include "BKE_pbvh.h"
#include "BKE_subdiv_ccg.h"
#include "BKE_subsurf.h"
#include "DEG_depsgraph.h"
#include "DEG_depsgraph_query.h"
#include "RNA_enum_types.h"
#include "BLO_read_write.h"
#include "bmesh.h"
static void sculpt_attribute_update_refs(Object *ob);
static SculptAttribute *sculpt_attribute_ensure_ex(Object *ob,
eAttrDomain domain,
eCustomDataType proptype,
const char *name,
const SculptAttributeParams *params,
PBVHType pbvhtype,
bool flat_array_for_bmesh);
void sculptsession_bmesh_add_layers(Object *ob);
using blender::MutableSpan;
using blender::Span;
static void palette_init_data(ID *id)
{
Palette *palette = (Palette *)id;
BLI_assert(MEMCMP_STRUCT_AFTER_IS_ZERO(palette, id));
/* Enable fake user by default. */
id_fake_user_set(&palette->id);
}
static void palette_copy_data(Main * /*bmain*/, ID *id_dst, const ID *id_src, const int /*flag*/)
{
Palette *palette_dst = (Palette *)id_dst;
const Palette *palette_src = (const Palette *)id_src;
BLI_duplicatelist(&palette_dst->colors, &palette_src->colors);
}
static void palette_free_data(ID *id)
{
Palette *palette = (Palette *)id;
BLI_freelistN(&palette->colors);
}
static void palette_blend_write(BlendWriter *writer, ID *id, const void *id_address)
{
Palette *palette = (Palette *)id;
BLO_write_id_struct(writer, Palette, id_address, &palette->id);
BKE_id_blend_write(writer, &palette->id);
BLO_write_struct_list(writer, PaletteColor, &palette->colors);
}
static void palette_blend_read_data(BlendDataReader *reader, ID *id)
{
Palette *palette = (Palette *)id;
BLO_read_list(reader, &palette->colors);
}
static void palette_undo_preserve(BlendLibReader * /*reader*/, ID *id_new, ID *id_old)
{
/* Whole Palette is preserved across undo-steps, and it has no extra pointer, simple. */
/* NOTE: We do not care about potential internal references to self here, Palette has none. */
/* NOTE: We do not swap IDProperties, as dealing with potential ID pointers in those would be
* fairly delicate. */
BKE_lib_id_swap(nullptr, id_new, id_old);
SWAP(IDProperty *, id_new->properties, id_old->properties);
}
IDTypeInfo IDType_ID_PAL = {
/* id_code */ ID_PAL,
/* id_filter */ FILTER_ID_PAL,
/* main_listbase_index */ INDEX_ID_PAL,
/* struct_size */ sizeof(Palette),
/* name */ "Palette",
/* name_plural */ "palettes",
/* translation_context */ BLT_I18NCONTEXT_ID_PALETTE,
/* flags */ IDTYPE_FLAGS_NO_ANIMDATA,
/* asset_type_info */ nullptr,
/* init_data */ palette_init_data,
/* copy_data */ palette_copy_data,
/* free_data */ palette_free_data,
/* make_local */ nullptr,
/* foreach_id */ nullptr,
/* foreach_cache */ nullptr,
/* foreach_path */ nullptr,
/* owner_pointer_get */ nullptr,
/* blend_write */ palette_blend_write,
/* blend_read_data */ palette_blend_read_data,
/* blend_read_lib */ nullptr,
/* blend_read_expand */ nullptr,
/* blend_read_undo_preserve */ palette_undo_preserve,
/* lib_override_apply_post */ nullptr,
};
static void paint_curve_copy_data(Main * /*bmain*/,
ID *id_dst,
const ID *id_src,
const int /*flag*/)
{
PaintCurve *paint_curve_dst = (PaintCurve *)id_dst;
const PaintCurve *paint_curve_src = (const PaintCurve *)id_src;
if (paint_curve_src->tot_points != 0) {
paint_curve_dst->points = static_cast<PaintCurvePoint *>(
MEM_dupallocN(paint_curve_src->points));
}
}
static void paint_curve_free_data(ID *id)
{
PaintCurve *paint_curve = (PaintCurve *)id;
MEM_SAFE_FREE(paint_curve->points);
paint_curve->tot_points = 0;
}
static void paint_curve_blend_write(BlendWriter *writer, ID *id, const void *id_address)
{
PaintCurve *pc = (PaintCurve *)id;
BLO_write_id_struct(writer, PaintCurve, id_address, &pc->id);
BKE_id_blend_write(writer, &pc->id);
BLO_write_struct_array(writer, PaintCurvePoint, pc->tot_points, pc->points);
}
static void paint_curve_blend_read_data(BlendDataReader *reader, ID *id)
{
PaintCurve *pc = (PaintCurve *)id;
BLO_read_data_address(reader, &pc->points);
}
IDTypeInfo IDType_ID_PC = {
/* id_code */ ID_PC,
/* id_filter */ FILTER_ID_PC,
/* main_listbase_index */ INDEX_ID_PC,
/* struct_size */ sizeof(PaintCurve),
/* name */ "PaintCurve",
/* name_plural */ "paint_curves",
/* translation_context */ BLT_I18NCONTEXT_ID_PAINTCURVE,
/* flags */ IDTYPE_FLAGS_NO_ANIMDATA,
/* asset_type_info */ nullptr,
/* init_data */ nullptr,
/* copy_data */ paint_curve_copy_data,
/* free_data */ paint_curve_free_data,
/* make_local */ nullptr,
/* foreach_id */ nullptr,
/* foreach_cache */ nullptr,
/* foreach_path */ nullptr,
/* owner_pointer_get */ nullptr,
/* blend_write */ paint_curve_blend_write,
/* blend_read_data */ paint_curve_blend_read_data,
/* blend_read_lib */ nullptr,
/* blend_read_expand */ nullptr,
/* blend_read_undo_preserve */ nullptr,
/* lib_override_apply_post */ nullptr,
};
const uchar PAINT_CURSOR_SCULPT[3] = {255, 100, 100};
const uchar PAINT_CURSOR_VERTEX_PAINT[3] = {255, 255, 255};
const uchar PAINT_CURSOR_WEIGHT_PAINT[3] = {200, 200, 255};
const uchar PAINT_CURSOR_TEXTURE_PAINT[3] = {255, 255, 255};
static ePaintOverlayControlFlags overlay_flags = (ePaintOverlayControlFlags)0;
void BKE_paint_invalidate_overlay_tex(Scene *scene, ViewLayer *view_layer, const Tex *tex)
{
Paint *p = BKE_paint_get_active(scene, view_layer);
if (!p) {
return;
}
Brush *br = p->brush;
if (!br) {
return;
}
if (br->mtex.tex == tex) {
overlay_flags |= PAINT_OVERLAY_INVALID_TEXTURE_PRIMARY;
}
if (br->mask_mtex.tex == tex) {
overlay_flags |= PAINT_OVERLAY_INVALID_TEXTURE_SECONDARY;
}
}
void BKE_paint_invalidate_cursor_overlay(Scene *scene, ViewLayer *view_layer, CurveMapping *curve)
{
Paint *p = BKE_paint_get_active(scene, view_layer);
if (p == nullptr) {
return;
}
Brush *br = p->brush;
if (br && br->curve == curve) {
overlay_flags |= PAINT_OVERLAY_INVALID_CURVE;
}
}
void BKE_paint_invalidate_overlay_all(void)
{
overlay_flags |= (PAINT_OVERLAY_INVALID_TEXTURE_SECONDARY |
PAINT_OVERLAY_INVALID_TEXTURE_PRIMARY | PAINT_OVERLAY_INVALID_CURVE);
}
ePaintOverlayControlFlags BKE_paint_get_overlay_flags(void)
{
return overlay_flags;
}
void BKE_paint_set_overlay_override(eOverlayFlags flags)
{
if (flags & BRUSH_OVERLAY_OVERRIDE_MASK) {
if (flags & BRUSH_OVERLAY_CURSOR_OVERRIDE_ON_STROKE) {
overlay_flags |= PAINT_OVERLAY_OVERRIDE_CURSOR;
}
if (flags & BRUSH_OVERLAY_PRIMARY_OVERRIDE_ON_STROKE) {
overlay_flags |= PAINT_OVERLAY_OVERRIDE_PRIMARY;
}
if (flags & BRUSH_OVERLAY_SECONDARY_OVERRIDE_ON_STROKE) {
overlay_flags |= PAINT_OVERLAY_OVERRIDE_SECONDARY;
}
}
else {
overlay_flags &= ~(PAINT_OVERRIDE_MASK);
}
}
void BKE_paint_reset_overlay_invalid(ePaintOverlayControlFlags flag)
{
overlay_flags &= ~(flag);
}
bool BKE_paint_ensure_from_paintmode(Scene *sce, ePaintMode mode)
{
ToolSettings *ts = sce->toolsettings;
Paint **paint_ptr = nullptr;
/* Some paint modes don't store paint settings as pointer, for these this can be set and
* referenced by paint_ptr. */
Paint *paint_tmp = nullptr;
switch (mode) {
case PAINT_MODE_SCULPT:
paint_ptr = (Paint **)&ts->sculpt;
break;
case PAINT_MODE_VERTEX:
paint_ptr = (Paint **)&ts->vpaint;
break;
case PAINT_MODE_WEIGHT:
paint_ptr = (Paint **)&ts->wpaint;
break;
case PAINT_MODE_TEXTURE_2D:
case PAINT_MODE_TEXTURE_3D:
paint_tmp = (Paint *)&ts->imapaint;
paint_ptr = &paint_tmp;
break;
case PAINT_MODE_SCULPT_UV:
paint_ptr = (Paint **)&ts->uvsculpt;
break;
case PAINT_MODE_GPENCIL:
paint_ptr = (Paint **)&ts->gp_paint;
break;
case PAINT_MODE_VERTEX_GPENCIL:
paint_ptr = (Paint **)&ts->gp_vertexpaint;
break;
case PAINT_MODE_SCULPT_GPENCIL:
paint_ptr = (Paint **)&ts->gp_sculptpaint;
break;
case PAINT_MODE_WEIGHT_GPENCIL:
paint_ptr = (Paint **)&ts->gp_weightpaint;
break;
case PAINT_MODE_SCULPT_CURVES:
paint_ptr = (Paint **)&ts->curves_sculpt;
break;
case PAINT_MODE_INVALID:
break;
}
if (paint_ptr) {
BKE_paint_ensure(ts, paint_ptr);
return true;
}
return false;
}
Paint *BKE_paint_get_active_from_paintmode(Scene *sce, ePaintMode mode)
{
if (sce) {
ToolSettings *ts = sce->toolsettings;
switch (mode) {
case PAINT_MODE_SCULPT:
return &ts->sculpt->paint;
case PAINT_MODE_VERTEX:
return &ts->vpaint->paint;
case PAINT_MODE_WEIGHT:
return &ts->wpaint->paint;
case PAINT_MODE_TEXTURE_2D:
case PAINT_MODE_TEXTURE_3D:
return &ts->imapaint.paint;
case PAINT_MODE_SCULPT_UV:
return &ts->uvsculpt->paint;
case PAINT_MODE_GPENCIL:
return &ts->gp_paint->paint;
case PAINT_MODE_VERTEX_GPENCIL:
return &ts->gp_vertexpaint->paint;
case PAINT_MODE_SCULPT_GPENCIL:
return &ts->gp_sculptpaint->paint;
case PAINT_MODE_WEIGHT_GPENCIL:
return &ts->gp_weightpaint->paint;
case PAINT_MODE_SCULPT_CURVES:
return &ts->curves_sculpt->paint;
case PAINT_MODE_INVALID:
return nullptr;
default:
return &ts->imapaint.paint;
}
}
return nullptr;
}
const EnumPropertyItem *BKE_paint_get_tool_enum_from_paintmode(ePaintMode mode)
{
switch (mode) {
case PAINT_MODE_SCULPT:
return rna_enum_brush_sculpt_tool_items;
case PAINT_MODE_VERTEX:
return rna_enum_brush_vertex_tool_items;
case PAINT_MODE_WEIGHT:
return rna_enum_brush_weight_tool_items;
case PAINT_MODE_TEXTURE_2D:
case PAINT_MODE_TEXTURE_3D:
return rna_enum_brush_image_tool_items;
case PAINT_MODE_SCULPT_UV:
return rna_enum_brush_uv_sculpt_tool_items;
case PAINT_MODE_GPENCIL:
return rna_enum_brush_gpencil_types_items;
case PAINT_MODE_VERTEX_GPENCIL:
return rna_enum_brush_gpencil_vertex_types_items;
case PAINT_MODE_SCULPT_GPENCIL:
return rna_enum_brush_gpencil_sculpt_types_items;
case PAINT_MODE_WEIGHT_GPENCIL:
return rna_enum_brush_gpencil_weight_types_items;
case PAINT_MODE_SCULPT_CURVES:
return rna_enum_brush_curves_sculpt_tool_items;
case PAINT_MODE_INVALID:
break;
}
return nullptr;
}
const char *BKE_paint_get_tool_prop_id_from_paintmode(ePaintMode mode)
{
switch (mode) {
case PAINT_MODE_SCULPT:
return "sculpt_tool";
case PAINT_MODE_VERTEX:
return "vertex_tool";
case PAINT_MODE_WEIGHT:
return "weight_tool";
case PAINT_MODE_TEXTURE_2D:
case PAINT_MODE_TEXTURE_3D:
return "image_tool";
case PAINT_MODE_SCULPT_UV:
return "uv_sculpt_tool";
case PAINT_MODE_GPENCIL:
return "gpencil_tool";
case PAINT_MODE_VERTEX_GPENCIL:
return "gpencil_vertex_tool";
case PAINT_MODE_SCULPT_GPENCIL:
return "gpencil_sculpt_tool";
case PAINT_MODE_WEIGHT_GPENCIL:
return "gpencil_weight_tool";
case PAINT_MODE_SCULPT_CURVES:
return "curves_sculpt_tool";
case PAINT_MODE_INVALID:
break;
}
/* Invalid paint mode. */
return nullptr;
}
Paint *BKE_paint_get_active(Scene *sce, ViewLayer *view_layer)
{
if (sce && view_layer) {
ToolSettings *ts = sce->toolsettings;
BKE_view_layer_synced_ensure(sce, view_layer);
Object *actob = BKE_view_layer_active_object_get(view_layer);
if (actob) {
switch (actob->mode) {
case OB_MODE_SCULPT:
return &ts->sculpt->paint;
case OB_MODE_VERTEX_PAINT:
return &ts->vpaint->paint;
case OB_MODE_WEIGHT_PAINT:
return &ts->wpaint->paint;
case OB_MODE_TEXTURE_PAINT:
return &ts->imapaint.paint;
case OB_MODE_PAINT_GPENCIL:
return &ts->gp_paint->paint;
case OB_MODE_VERTEX_GPENCIL:
return &ts->gp_vertexpaint->paint;
case OB_MODE_SCULPT_GPENCIL:
return &ts->gp_sculptpaint->paint;
case OB_MODE_WEIGHT_GPENCIL:
return &ts->gp_weightpaint->paint;
case OB_MODE_SCULPT_CURVES:
return &ts->curves_sculpt->paint;
case OB_MODE_EDIT:
return ts->uvsculpt ? &ts->uvsculpt->paint : nullptr;
default:
break;
}
}
/* default to image paint */
return &ts->imapaint.paint;
}
return nullptr;
}
Paint *BKE_paint_get_active_from_context(const bContext *C)
{
Scene *sce = CTX_data_scene(C);
ViewLayer *view_layer = CTX_data_view_layer(C);
SpaceImage *sima;
if (sce && view_layer) {
ToolSettings *ts = sce->toolsettings;
BKE_view_layer_synced_ensure(sce, view_layer);
Object *obact = BKE_view_layer_active_object_get(view_layer);
if ((sima = CTX_wm_space_image(C)) != nullptr) {
if (obact && obact->mode == OB_MODE_EDIT) {
if (sima->mode == SI_MODE_PAINT) {
return &ts->imapaint.paint;
}
if (sima->mode == SI_MODE_UV) {
return &ts->uvsculpt->paint;
}
}
else {
return &ts->imapaint.paint;
}
}
else {
return BKE_paint_get_active(sce, view_layer);
}
}
return nullptr;
}
ePaintMode BKE_paintmode_get_active_from_context(const bContext *C)
{
Scene *sce = CTX_data_scene(C);
ViewLayer *view_layer = CTX_data_view_layer(C);
SpaceImage *sima;
if (sce && view_layer) {
BKE_view_layer_synced_ensure(sce, view_layer);
Object *obact = BKE_view_layer_active_object_get(view_layer);
if ((sima = CTX_wm_space_image(C)) != nullptr) {
if (obact && obact->mode == OB_MODE_EDIT) {
if (sima->mode == SI_MODE_PAINT) {
return PAINT_MODE_TEXTURE_2D;
}
if (sima->mode == SI_MODE_UV) {
return PAINT_MODE_SCULPT_UV;
}
}
else {
return PAINT_MODE_TEXTURE_2D;
}
}
else if (obact) {
switch (obact->mode) {
case OB_MODE_SCULPT:
return PAINT_MODE_SCULPT;
case OB_MODE_VERTEX_PAINT:
return PAINT_MODE_VERTEX;
case OB_MODE_WEIGHT_PAINT:
return PAINT_MODE_WEIGHT;
case OB_MODE_TEXTURE_PAINT:
return PAINT_MODE_TEXTURE_3D;
case OB_MODE_EDIT:
return PAINT_MODE_SCULPT_UV;
case OB_MODE_SCULPT_CURVES:
return PAINT_MODE_SCULPT_CURVES;
default:
return PAINT_MODE_TEXTURE_2D;
}
}
else {
/* default to image paint */
return PAINT_MODE_TEXTURE_2D;
}
}
return PAINT_MODE_INVALID;
}
ePaintMode BKE_paintmode_get_from_tool(const bToolRef *tref)
{
if (tref->space_type == SPACE_VIEW3D) {
switch (tref->mode) {
case CTX_MODE_SCULPT:
return PAINT_MODE_SCULPT;
case CTX_MODE_PAINT_VERTEX:
return PAINT_MODE_VERTEX;
case CTX_MODE_PAINT_WEIGHT:
return PAINT_MODE_WEIGHT;
case CTX_MODE_PAINT_GPENCIL:
return PAINT_MODE_GPENCIL;
case CTX_MODE_PAINT_TEXTURE:
return PAINT_MODE_TEXTURE_3D;
case CTX_MODE_VERTEX_GPENCIL:
return PAINT_MODE_VERTEX_GPENCIL;
case CTX_MODE_SCULPT_GPENCIL:
return PAINT_MODE_SCULPT_GPENCIL;
case CTX_MODE_WEIGHT_GPENCIL:
return PAINT_MODE_WEIGHT_GPENCIL;
case CTX_MODE_SCULPT_CURVES:
return PAINT_MODE_SCULPT_CURVES;
}
}
else if (tref->space_type == SPACE_IMAGE) {
switch (tref->mode) {
case SI_MODE_PAINT:
return PAINT_MODE_TEXTURE_2D;
case SI_MODE_UV:
return PAINT_MODE_SCULPT_UV;
}
}
return PAINT_MODE_INVALID;
}
Brush *BKE_paint_brush(Paint *p)
{
return (Brush *)BKE_paint_brush_for_read((const Paint *)p);
}
const Brush *BKE_paint_brush_for_read(const Paint *p)
{
return p ? p->brush : nullptr;
}
void BKE_paint_brush_set(Paint *p, Brush *br)
{
if (p) {
id_us_min((ID *)p->brush);
id_us_plus((ID *)br);
p->brush = br;
BKE_paint_toolslots_brush_update(p);
}
}
void BKE_paint_runtime_init(const ToolSettings *ts, Paint *paint)
{
if (paint == &ts->imapaint.paint) {
paint->runtime.tool_offset = offsetof(Brush, imagepaint_tool);
paint->runtime.ob_mode = OB_MODE_TEXTURE_PAINT;
}
else if (ts->sculpt && paint == &ts->sculpt->paint) {
paint->runtime.tool_offset = offsetof(Brush, sculpt_tool);
paint->runtime.ob_mode = OB_MODE_SCULPT;
}
else if (ts->vpaint && paint == &ts->vpaint->paint) {
paint->runtime.tool_offset = offsetof(Brush, vertexpaint_tool);
paint->runtime.ob_mode = OB_MODE_VERTEX_PAINT;
}
else if (ts->wpaint && paint == &ts->wpaint->paint) {
paint->runtime.tool_offset = offsetof(Brush, weightpaint_tool);
paint->runtime.ob_mode = OB_MODE_WEIGHT_PAINT;
}
else if (ts->uvsculpt && paint == &ts->uvsculpt->paint) {
paint->runtime.tool_offset = offsetof(Brush, uv_sculpt_tool);
paint->runtime.ob_mode = OB_MODE_EDIT;
}
else if (ts->gp_paint && paint == &ts->gp_paint->paint) {
paint->runtime.tool_offset = offsetof(Brush, gpencil_tool);
paint->runtime.ob_mode = OB_MODE_PAINT_GPENCIL;
}
else if (ts->gp_vertexpaint && paint == &ts->gp_vertexpaint->paint) {
paint->runtime.tool_offset = offsetof(Brush, gpencil_vertex_tool);
paint->runtime.ob_mode = OB_MODE_VERTEX_GPENCIL;
}
else if (ts->gp_sculptpaint && paint == &ts->gp_sculptpaint->paint) {
paint->runtime.tool_offset = offsetof(Brush, gpencil_sculpt_tool);
paint->runtime.ob_mode = OB_MODE_SCULPT_GPENCIL;
}
else if (ts->gp_weightpaint && paint == &ts->gp_weightpaint->paint) {
paint->runtime.tool_offset = offsetof(Brush, gpencil_weight_tool);
paint->runtime.ob_mode = OB_MODE_WEIGHT_GPENCIL;
}
else if (ts->curves_sculpt && paint == &ts->curves_sculpt->paint) {
paint->runtime.tool_offset = offsetof(Brush, curves_sculpt_tool);
paint->runtime.ob_mode = OB_MODE_SCULPT_CURVES;
}
else {
BLI_assert_unreachable();
}
}
uint BKE_paint_get_brush_tool_offset_from_paintmode(const ePaintMode mode)
{
switch (mode) {
case PAINT_MODE_TEXTURE_2D:
case PAINT_MODE_TEXTURE_3D:
return offsetof(Brush, imagepaint_tool);
case PAINT_MODE_SCULPT:
return offsetof(Brush, sculpt_tool);
case PAINT_MODE_VERTEX:
return offsetof(Brush, vertexpaint_tool);
case PAINT_MODE_WEIGHT:
return offsetof(Brush, weightpaint_tool);
case PAINT_MODE_SCULPT_UV:
return offsetof(Brush, uv_sculpt_tool);
case PAINT_MODE_GPENCIL:
return offsetof(Brush, gpencil_tool);
case PAINT_MODE_VERTEX_GPENCIL:
return offsetof(Brush, gpencil_vertex_tool);
case PAINT_MODE_SCULPT_GPENCIL:
return offsetof(Brush, gpencil_sculpt_tool);
case PAINT_MODE_WEIGHT_GPENCIL:
return offsetof(Brush, gpencil_weight_tool);
case PAINT_MODE_SCULPT_CURVES:
return offsetof(Brush, curves_sculpt_tool);
case PAINT_MODE_INVALID:
break; /* We don't use these yet. */
}
return 0;
}
PaintCurve *BKE_paint_curve_add(Main *bmain, const char *name)
{
PaintCurve *pc = static_cast<PaintCurve *>(BKE_id_new(bmain, ID_PC, name));
return pc;
}
Palette *BKE_paint_palette(Paint *p)
{
return p ? p->palette : nullptr;
}
void BKE_paint_palette_set(Paint *p, Palette *palette)
{
if (p) {
id_us_min((ID *)p->palette);
p->palette = palette;
id_us_plus((ID *)p->palette);
}
}
void BKE_paint_curve_set(Brush *br, PaintCurve *pc)
{
if (br) {
id_us_min((ID *)br->paint_curve);
br->paint_curve = pc;
id_us_plus((ID *)br->paint_curve);
}
}
void BKE_paint_curve_clamp_endpoint_add_index(PaintCurve *pc, const int add_index)
{
pc->add_index = (add_index || pc->tot_points == 1) ? (add_index + 1) : 0;
}
void BKE_palette_color_remove(Palette *palette, PaletteColor *color)
{
if (BLI_listbase_count_at_most(&palette->colors, palette->active_color) ==
palette->active_color) {
palette->active_color--;
}
BLI_remlink(&palette->colors, color);
if (palette->active_color < 0 && !BLI_listbase_is_empty(&palette->colors)) {
palette->active_color = 0;
}
MEM_freeN(color);
}
void BKE_palette_clear(Palette *palette)
{
BLI_freelistN(&palette->colors);
palette->active_color = 0;
}
Palette *BKE_palette_add(Main *bmain, const char *name)
{
Palette *palette = static_cast<Palette *>(BKE_id_new(bmain, ID_PAL, name));
return palette;
}
PaletteColor *BKE_palette_color_add(Palette *palette)
{
PaletteColor *color = MEM_cnew<PaletteColor>(__func__);
BLI_addtail(&palette->colors, color);
return color;
}
bool BKE_palette_is_empty(const Palette *palette)
{
return BLI_listbase_is_empty(&palette->colors);
}
/* helper function to sort using qsort */
static int palettecolor_compare_hsv(const void *a1, const void *a2)
{
const tPaletteColorHSV *ps1 = static_cast<const tPaletteColorHSV *>(a1);
const tPaletteColorHSV *ps2 = static_cast<const tPaletteColorHSV *>(a2);
/* Hue */
if (ps1->h > ps2->h) {
return 1;
}
if (ps1->h < ps2->h) {
return -1;
}
/* Saturation. */
if (ps1->s > ps2->s) {
return 1;
}
if (ps1->s < ps2->s) {
return -1;
}
/* Value. */
if (1.0f - ps1->v > 1.0f - ps2->v) {
return 1;
}
if (1.0f - ps1->v < 1.0f - ps2->v) {
return -1;
}
return 0;
}
/* helper function to sort using qsort */
static int palettecolor_compare_svh(const void *a1, const void *a2)
{
const tPaletteColorHSV *ps1 = static_cast<const tPaletteColorHSV *>(a1);
const tPaletteColorHSV *ps2 = static_cast<const tPaletteColorHSV *>(a2);
/* Saturation. */
if (ps1->s > ps2->s) {
return 1;
}
if (ps1->s < ps2->s) {
return -1;
}
/* Value. */
if (1.0f - ps1->v > 1.0f - ps2->v) {
return 1;
}
if (1.0f - ps1->v < 1.0f - ps2->v) {
return -1;
}
/* Hue */
if (ps1->h > ps2->h) {
return 1;
}
if (ps1->h < ps2->h) {
return -1;
}
return 0;
}
static int palettecolor_compare_vhs(const void *a1, const void *a2)
{
const tPaletteColorHSV *ps1 = static_cast<const tPaletteColorHSV *>(a1);
const tPaletteColorHSV *ps2 = static_cast<const tPaletteColorHSV *>(a2);
/* Value. */
if (1.0f - ps1->v > 1.0f - ps2->v) {
return 1;
}
if (1.0f - ps1->v < 1.0f - ps2->v) {
return -1;
}
/* Hue */
if (ps1->h > ps2->h) {
return 1;
}
if (ps1->h < ps2->h) {
return -1;
}
/* Saturation. */
if (ps1->s > ps2->s) {
return 1;
}
if (ps1->s < ps2->s) {
return -1;
}
return 0;
}
static int palettecolor_compare_luminance(const void *a1, const void *a2)
{
const tPaletteColorHSV *ps1 = static_cast<const tPaletteColorHSV *>(a1);
const tPaletteColorHSV *ps2 = static_cast<const tPaletteColorHSV *>(a2);
float lumi1 = (ps1->rgb[0] + ps1->rgb[1] + ps1->rgb[2]) / 3.0f;
float lumi2 = (ps2->rgb[0] + ps2->rgb[1] + ps2->rgb[2]) / 3.0f;
if (lumi1 > lumi2) {
return -1;
}
if (lumi1 < lumi2) {
return 1;
}
return 0;
}
void BKE_palette_sort_hsv(tPaletteColorHSV *color_array, const int totcol)
{
/* Sort by Hue, Saturation and Value. */
qsort(color_array, totcol, sizeof(tPaletteColorHSV), palettecolor_compare_hsv);
}
void BKE_palette_sort_svh(tPaletteColorHSV *color_array, const int totcol)
{
/* Sort by Saturation, Value and Hue. */
qsort(color_array, totcol, sizeof(tPaletteColorHSV), palettecolor_compare_svh);
}
void BKE_palette_sort_vhs(tPaletteColorHSV *color_array, const int totcol)
{
/* Sort by Saturation, Value and Hue. */
qsort(color_array, totcol, sizeof(tPaletteColorHSV), palettecolor_compare_vhs);
}
void BKE_palette_sort_luminance(tPaletteColorHSV *color_array, const int totcol)
{
/* Sort by Luminance (calculated with the average, enough for sorting). */
qsort(color_array, totcol, sizeof(tPaletteColorHSV), palettecolor_compare_luminance);
}
bool BKE_palette_from_hash(Main *bmain, GHash *color_table, const char *name, const bool linear)
{
tPaletteColorHSV *color_array = nullptr;
tPaletteColorHSV *col_elm = nullptr;
bool done = false;
const int totpal = BLI_ghash_len(color_table);
if (totpal > 0) {
color_array = static_cast<tPaletteColorHSV *>(
MEM_calloc_arrayN(totpal, sizeof(tPaletteColorHSV), __func__));
/* Put all colors in an array. */
GHashIterator gh_iter;
int t = 0;
GHASH_ITER (gh_iter, color_table) {
const uint col = POINTER_AS_INT(BLI_ghashIterator_getValue(&gh_iter));
float r, g, b;
float h, s, v;
cpack_to_rgb(col, &r, &g, &b);
rgb_to_hsv(r, g, b, &h, &s, &v);
col_elm = &color_array[t];
col_elm->rgb[0] = r;
col_elm->rgb[1] = g;
col_elm->rgb[2] = b;
col_elm->h = h;
col_elm->s = s;
col_elm->v = v;
t++;
}
}
/* Create the Palette. */
if (totpal > 0) {
/* Sort by Hue and saturation. */
BKE_palette_sort_hsv(color_array, totpal);
Palette *palette = BKE_palette_add(bmain, name);
if (palette) {
for (int i = 0; i < totpal; i++) {
col_elm = &color_array[i];
PaletteColor *palcol = BKE_palette_color_add(palette);
if (palcol) {
copy_v3_v3(palcol->rgb, col_elm->rgb);
if (linear) {
linearrgb_to_srgb_v3_v3(palcol->rgb, palcol->rgb);
}
}
}
done = true;
}
}
else {
done = false;
}
if (totpal > 0) {
MEM_SAFE_FREE(color_array);
}
return done;
}
bool BKE_paint_select_face_test(Object *ob)
{
return ((ob != nullptr) && (ob->type == OB_MESH) && (ob->data != nullptr) &&
(((Mesh *)ob->data)->editflag & ME_EDIT_PAINT_FACE_SEL) &&
(ob->mode & (OB_MODE_VERTEX_PAINT | OB_MODE_WEIGHT_PAINT | OB_MODE_TEXTURE_PAINT)));
}
bool BKE_paint_select_vert_test(Object *ob)
{
return ((ob != nullptr) && (ob->type == OB_MESH) && (ob->data != nullptr) &&
(((Mesh *)ob->data)->editflag & ME_EDIT_PAINT_VERT_SEL) &&
(ob->mode & OB_MODE_WEIGHT_PAINT || ob->mode & OB_MODE_VERTEX_PAINT));
}
bool BKE_paint_select_elem_test(Object *ob)
{
return (BKE_paint_select_vert_test(ob) || BKE_paint_select_face_test(ob));
}
bool BKE_paint_always_hide_test(Object *ob)
{
return ((ob != nullptr) && (ob->type == OB_MESH) && (ob->data != nullptr) &&
(ob->mode & OB_MODE_WEIGHT_PAINT || ob->mode & OB_MODE_VERTEX_PAINT));
}
void BKE_paint_cavity_curve_preset(Paint *p, int preset)
{
CurveMapping *cumap = nullptr;
CurveMap *cuma = nullptr;
if (!p->cavity_curve) {
p->cavity_curve = BKE_curvemapping_add(1, 0, 0, 1, 1);
}
cumap = p->cavity_curve;
cumap->flag &= ~CUMA_EXTEND_EXTRAPOLATE;
cumap->preset = preset;
cuma = cumap->cm;
BKE_curvemap_reset(cuma, &cumap->clipr, cumap->preset, CURVEMAP_SLOPE_POSITIVE);
BKE_curvemapping_changed(cumap, false);
}
eObjectMode BKE_paint_object_mode_from_paintmode(ePaintMode mode)
{
switch (mode) {
case PAINT_MODE_SCULPT:
return OB_MODE_SCULPT;
case PAINT_MODE_VERTEX:
return OB_MODE_VERTEX_PAINT;
case PAINT_MODE_WEIGHT:
return OB_MODE_WEIGHT_PAINT;
case PAINT_MODE_TEXTURE_2D:
case PAINT_MODE_TEXTURE_3D:
return OB_MODE_TEXTURE_PAINT;
case PAINT_MODE_SCULPT_UV:
return OB_MODE_EDIT;
case PAINT_MODE_INVALID:
default:
return OB_MODE_OBJECT;
}
}
bool BKE_paint_ensure(ToolSettings *ts, Paint **r_paint)
{
Paint *paint = nullptr;
if (*r_paint) {
/* Tool offset should never be 0 for initialized paint settings, so it's a reliable way to
* check if already initialized. */
if ((*r_paint)->runtime.tool_offset == 0) {
/* Currently only image painting is initialized this way, others have to be allocated. */
BLI_assert(ELEM(*r_paint, (Paint *)&ts->imapaint));
BKE_paint_runtime_init(ts, *r_paint);
}
else {
BLI_assert(ELEM(*r_paint,
/* Cast is annoying, but prevent nullptr-pointer access. */
(Paint *)ts->gp_paint,
(Paint *)ts->gp_vertexpaint,
(Paint *)ts->gp_sculptpaint,
(Paint *)ts->gp_weightpaint,
(Paint *)ts->sculpt,
(Paint *)ts->vpaint,
(Paint *)ts->wpaint,
(Paint *)ts->uvsculpt,
(Paint *)ts->curves_sculpt,
(Paint *)&ts->imapaint));
#ifdef DEBUG
Paint paint_test = **r_paint;
BKE_paint_runtime_init(ts, *r_paint);
/* Swap so debug doesn't hide errors when release fails. */
SWAP(Paint, **r_paint, paint_test);
BLI_assert(paint_test.runtime.ob_mode == (*r_paint)->runtime.ob_mode);
BLI_assert(paint_test.runtime.tool_offset == (*r_paint)->runtime.tool_offset);
#endif
}
return true;
}
if (((VPaint **)r_paint == &ts->vpaint) || ((VPaint **)r_paint == &ts->wpaint)) {
VPaint *data = MEM_cnew<VPaint>(__func__);
paint = &data->paint;
}
else if ((Sculpt **)r_paint == &ts->sculpt) {
Sculpt *data = MEM_cnew<Sculpt>(__func__);
paint = &data->paint;
/* Turn on X plane mirror symmetry by default. */
paint->symmetry_flags |= PAINT_SYMM_X;
/* Make sure at least dyntopo subdivision is enabled. */
data->flags |= SCULPT_DYNTOPO_SUBDIVIDE | SCULPT_DYNTOPO_COLLAPSE;
}
else if ((GpPaint **)r_paint == &ts->gp_paint) {
GpPaint *data = MEM_cnew<GpPaint>(__func__);
paint = &data->paint;
}
else if ((GpVertexPaint **)r_paint == &ts->gp_vertexpaint) {
GpVertexPaint *data = MEM_cnew<GpVertexPaint>(__func__);
paint = &data->paint;
}
else if ((GpSculptPaint **)r_paint == &ts->gp_sculptpaint) {
GpSculptPaint *data = MEM_cnew<GpSculptPaint>(__func__);
paint = &data->paint;
}
else if ((GpWeightPaint **)r_paint == &ts->gp_weightpaint) {
GpWeightPaint *data = MEM_cnew<GpWeightPaint>(__func__);
paint = &data->paint;
}
else if ((UvSculpt **)r_paint == &ts->uvsculpt) {
UvSculpt *data = MEM_cnew<UvSculpt>(__func__);
paint = &data->paint;
}
else if ((CurvesSculpt **)r_paint == &ts->curves_sculpt) {
CurvesSculpt *data = MEM_cnew<CurvesSculpt>(__func__);
paint = &data->paint;
}
else if (*r_paint == &ts->imapaint.paint) {
paint = &ts->imapaint.paint;
}
paint->flags |= PAINT_SHOW_BRUSH;
*r_paint = paint;
BKE_paint_runtime_init(ts, paint);
return false;
}
void BKE_paint_init(Main *bmain, Scene *sce, ePaintMode mode, const uchar col[3])
{
UnifiedPaintSettings *ups = &sce->toolsettings->unified_paint_settings;
Paint *paint = BKE_paint_get_active_from_paintmode(sce, mode);
BKE_paint_ensure_from_paintmode(sce, mode);
/* If there's no brush, create one */
if (PAINT_MODE_HAS_BRUSH(mode)) {
Brush *brush = BKE_paint_brush(paint);
if (brush == nullptr) {
eObjectMode ob_mode = BKE_paint_object_mode_from_paintmode(mode);
brush = BKE_brush_first_search(bmain, ob_mode);
if (!brush) {
brush = BKE_brush_add(bmain, "Brush", ob_mode);
id_us_min(&brush->id); /* Fake user only. */
}
BKE_paint_brush_set(paint, brush);
}
}
copy_v3_v3_uchar(paint->paint_cursor_col, col);
paint->paint_cursor_col[3] = 128;
ups->last_stroke_valid = false;
zero_v3(ups->average_stroke_accum);
ups->average_stroke_counter = 0;
if (!paint->cavity_curve) {
BKE_paint_cavity_curve_preset(paint, CURVE_PRESET_LINE);
}
}
void BKE_paint_free(Paint *paint)
{
BKE_curvemapping_free(paint->cavity_curve);
MEM_SAFE_FREE(paint->tool_slots);
}
void BKE_paint_copy(Paint *src, Paint *tar, const int flag)
{
tar->brush = src->brush;
tar->cavity_curve = BKE_curvemapping_copy(src->cavity_curve);
tar->tool_slots = static_cast<PaintToolSlot *>(MEM_dupallocN(src->tool_slots));
if ((flag & LIB_ID_CREATE_NO_USER_REFCOUNT) == 0) {
id_us_plus((ID *)tar->brush);
id_us_plus((ID *)tar->palette);
if (src->tool_slots != nullptr) {
for (int i = 0; i < tar->tool_slots_len; i++) {
id_us_plus((ID *)tar->tool_slots[i].brush);
}
}
}
}
void BKE_paint_stroke_get_average(Scene *scene, Object *ob, float stroke[3])
{
UnifiedPaintSettings *ups = &scene->toolsettings->unified_paint_settings;
if (ups->last_stroke_valid && ups->average_stroke_counter > 0) {
float fac = 1.0f / ups->average_stroke_counter;
mul_v3_v3fl(stroke, ups->average_stroke_accum, fac);
}
else {
copy_v3_v3(stroke, ob->obmat[3]);
}
}
void BKE_paint_blend_write(BlendWriter *writer, Paint *p)
{
if (p->cavity_curve) {
BKE_curvemapping_blend_write(writer, p->cavity_curve);
}
BLO_write_struct_array(writer, PaintToolSlot, p->tool_slots_len, p->tool_slots);
}
void BKE_paint_blend_read_data(BlendDataReader *reader, const Scene *scene, Paint *p)
{
if (p->num_input_samples < 1) {
p->num_input_samples = 1;
}
BLO_read_data_address(reader, &p->cavity_curve);
if (p->cavity_curve) {
BKE_curvemapping_blend_read(reader, p->cavity_curve);
}
else {
BKE_paint_cavity_curve_preset(p, CURVE_PRESET_LINE);
}
BLO_read_data_address(reader, &p->tool_slots);
/* Workaround for invalid data written in older versions. */
const size_t expected_size = sizeof(PaintToolSlot) * p->tool_slots_len;
if (p->tool_slots && MEM_allocN_len(p->tool_slots) < expected_size) {
MEM_freeN(p->tool_slots);
p->tool_slots = static_cast<PaintToolSlot *>(MEM_callocN(expected_size, "PaintToolSlot"));
}
BKE_paint_runtime_init(scene->toolsettings, p);
}
void BKE_paint_blend_read_lib(BlendLibReader *reader, Scene *sce, Paint *p)
{
if (p) {
BLO_read_id_address(reader, sce->id.lib, &p->brush);
for (int i = 0; i < p->tool_slots_len; i++) {
if (p->tool_slots[i].brush != nullptr) {
BLO_read_id_address(reader, sce->id.lib, &p->tool_slots[i].brush);
}
}
BLO_read_id_address(reader, sce->id.lib, &p->palette);
p->paint_cursor = nullptr;
BKE_paint_runtime_init(sce->toolsettings, p);
}
}
bool paint_is_face_hidden(const MLoopTri *lt, const bool *hide_poly)
{
if (!hide_poly) {
return false;
}
return hide_poly[lt->poly];
}
bool paint_is_grid_face_hidden(const uint *grid_hidden, int gridsize, int x, int y)
{
/* Skip face if any of its corners are hidden. */
return (BLI_BITMAP_TEST(grid_hidden, y * gridsize + x) ||
BLI_BITMAP_TEST(grid_hidden, y * gridsize + x + 1) ||
BLI_BITMAP_TEST(grid_hidden, (y + 1) * gridsize + x + 1) ||
BLI_BITMAP_TEST(grid_hidden, (y + 1) * gridsize + x));
}
bool paint_is_bmesh_face_hidden(BMFace *f)
{
BMLoop *l_iter;
BMLoop *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
if (BM_elem_flag_test(l_iter->v, BM_ELEM_HIDDEN)) {
return true;
}
} while ((l_iter = l_iter->next) != l_first);
return false;
}
float paint_grid_paint_mask(const GridPaintMask *gpm, uint level, uint x, uint y)
{
int factor = BKE_ccg_factor(level, gpm->level);
int gridsize = BKE_ccg_gridsize(gpm->level);
return gpm->data[(y * factor) * gridsize + (x * factor)];
}
/* Threshold to move before updating the brush rotation. */
#define RAKE_THRESHHOLD 20
void paint_update_brush_rake_rotation(UnifiedPaintSettings *ups, Brush *brush, float rotation)
{
if (brush->mtex.brush_angle_mode & MTEX_ANGLE_RAKE) {
ups->brush_rotation = rotation;
}
else {
ups->brush_rotation = 0.0f;
}
if (brush->mask_mtex.brush_angle_mode & MTEX_ANGLE_RAKE) {
ups->brush_rotation_sec = rotation;
}
else {
ups->brush_rotation_sec = 0.0f;
}
}
static bool paint_rake_rotation_active(const MTex &mtex)
{
return mtex.tex && mtex.brush_angle_mode & MTEX_ANGLE_RAKE;
}
static bool paint_rake_rotation_active(const Brush &brush)
{
return paint_rake_rotation_active(brush.mtex) || paint_rake_rotation_active(brush.mask_mtex);
}
bool paint_calculate_rake_rotation(UnifiedPaintSettings *ups,
Brush *brush,
const float mouse_pos[2])
{
bool ok = false;
if (paint_rake_rotation_active(*brush)) {
const float r = RAKE_THRESHHOLD;
float rotation;
float dpos[2];
sub_v2_v2v2(dpos, ups->last_rake, mouse_pos);
if (len_squared_v2(dpos) >= r * r) {
rotation = atan2f(dpos[0], dpos[1]);
copy_v2_v2(ups->last_rake, mouse_pos);
ups->last_rake_angle = rotation;
paint_update_brush_rake_rotation(ups, brush, rotation);
ok = true;
}
/* Make sure we reset here to the last rotation to avoid accumulating
* values in case a random rotation is also added. */
else {
paint_update_brush_rake_rotation(ups, brush, ups->last_rake_angle);
ok = false;
}
}
else {
ups->brush_rotation = ups->brush_rotation_sec = 0.0f;
ok = true;
}
return ok;
}
void BKE_sculptsession_free_deformMats(SculptSession *ss)
{
MEM_SAFE_FREE(ss->orig_cos);
MEM_SAFE_FREE(ss->deform_cos);
MEM_SAFE_FREE(ss->deform_imats);
}
void BKE_sculptsession_free_vwpaint_data(SculptSession *ss)
{
SculptVertexPaintGeomMap *gmap = nullptr;
if (ss->mode_type == OB_MODE_VERTEX_PAINT) {
gmap = &ss->mode.vpaint.gmap;
}
else if (ss->mode_type == OB_MODE_WEIGHT_PAINT) {
gmap = &ss->mode.wpaint.gmap;
MEM_SAFE_FREE(ss->mode.wpaint.alpha_weight);
if (ss->mode.wpaint.dvert_prev) {
BKE_defvert_array_free_elems(ss->mode.wpaint.dvert_prev, ss->totvert);
MEM_freeN(ss->mode.wpaint.dvert_prev);
ss->mode.wpaint.dvert_prev = nullptr;
}
}
else {
return;
}
MEM_SAFE_FREE(gmap->vert_to_loop);
MEM_SAFE_FREE(gmap->vert_map_mem);
MEM_SAFE_FREE(gmap->vert_to_poly);
MEM_SAFE_FREE(gmap->poly_map_mem);
}
/**
* Write out the sculpt dynamic-topology #BMesh to the #Mesh.
*/
static void sculptsession_bm_to_me_update_data_only(Object *ob, bool reorder)
{
SculptSession *ss = ob->sculpt;
if (ss->bm) {
if (ob->data) {
BMIter iter;
BMFace *efa;
BM_ITER_MESH (efa, &iter, ss->bm, BM_FACES_OF_MESH) {
BM_elem_flag_set(efa, BM_ELEM_SMOOTH, ss->bm_smooth_shading);
}
if (reorder) {
BM_log_mesh_elems_reorder(ss->bm, ss->bm_log);
}
BMeshToMeshParams params{};
params.calc_object_remap = false;
BM_mesh_bm_to_me(nullptr, ss->bm, static_cast<Mesh *>(ob->data), ¶ms);
}
}
}
void BKE_sculptsession_bm_to_me(Object *ob, bool reorder)
{
if (ob && ob->sculpt) {
sculptsession_bm_to_me_update_data_only(ob, reorder);
/* Ensure the objects evaluated mesh doesn't hold onto arrays
* now realloc'd in the mesh T34473. */
DEG_id_tag_update(&ob->id, ID_RECALC_GEOMETRY);
}
}
static void sculptsession_free_pbvh(Object *object)
{
SculptSession *ss = object->sculpt;
if (!ss) {
return;
}
if (ss->pbvh) {
BKE_pbvh_free(ss->pbvh);
ss->pbvh = nullptr;
}
MEM_SAFE_FREE(ss->pmap);
MEM_SAFE_FREE(ss->pmap_mem);
MEM_SAFE_FREE(ss->epmap);
MEM_SAFE_FREE(ss->epmap_mem);
MEM_SAFE_FREE(ss->vemap);
MEM_SAFE_FREE(ss->vemap_mem);
MEM_SAFE_FREE(ss->preview_vert_list);
ss->preview_vert_count = 0;
MEM_SAFE_FREE(ss->vertex_info.connected_component);
MEM_SAFE_FREE(ss->vertex_info.boundary);
MEM_SAFE_FREE(ss->fake_neighbors.fake_neighbor_index);
}
void BKE_sculptsession_bm_to_me_for_render(Object *object)
{
if (object && object->sculpt) {
if (object->sculpt->bm) {
/* Ensure no points to old arrays are stored in DM
*
* Apparently, we could not use DEG_id_tag_update
* here because this will lead to the while object
* surface to disappear, so we'll release DM in place.
*/
BKE_object_free_derived_caches(object);
sculptsession_bm_to_me_update_data_only(object, false);
/* In contrast with sculptsession_bm_to_me no need in
* DAG tag update here - derived mesh was freed and
* old pointers are nowhere stored.
*/
}
}
}
void BKE_sculptsession_free(Object *ob)
{
if (ob && ob->sculpt) {
SculptSession *ss = ob->sculpt;
BKE_sculpt_attribute_destroy_temporary_all(ob);
if (ss->bm) {
BKE_sculptsession_bm_to_me(ob, true);
BM_mesh_free(ss->bm);
}
sculptsession_free_pbvh(ob);
MEM_SAFE_FREE(ss->pmap);
MEM_SAFE_FREE(ss->pmap_mem);
MEM_SAFE_FREE(ss->epmap);
MEM_SAFE_FREE(ss->epmap_mem);
MEM_SAFE_FREE(ss->vemap);
MEM_SAFE_FREE(ss->vemap_mem);
if (ss->bm_log) {
BM_log_free(ss->bm_log);
}
if (ss->tex_pool) {
BKE_image_pool_free(ss->tex_pool);
}
MEM_SAFE_FREE(ss->orig_cos);
MEM_SAFE_FREE(ss->deform_cos);
MEM_SAFE_FREE(ss->deform_imats);
if (ss->pose_ik_chain_preview) {
for (int i = 0; i < ss->pose_ik_chain_preview->tot_segments; i++) {
MEM_SAFE_FREE(ss->pose_ik_chain_preview->segments[i].weights);
}
MEM_SAFE_FREE(ss->pose_ik_chain_preview->segments);
MEM_SAFE_FREE(ss->pose_ik_chain_preview);
}
if (ss->boundary_preview) {
MEM_SAFE_FREE(ss->boundary_preview->verts);
MEM_SAFE_FREE(ss->boundary_preview->edges);
MEM_SAFE_FREE(ss->boundary_preview->distance);
MEM_SAFE_FREE(ss->boundary_preview->edit_info);
MEM_SAFE_FREE(ss->boundary_preview);
}
BKE_sculptsession_free_vwpaint_data(ob->sculpt);
MEM_SAFE_FREE(ss->last_paint_canvas_key);
MEM_freeN(ss);
ob->sculpt = nullptr;
}
}
static MultiresModifierData *sculpt_multires_modifier_get(const Scene *scene,
Object *ob,
const bool auto_create_mdisps)
{
Mesh *me = (Mesh *)ob->data;
ModifierData *md;
VirtualModifierData virtualModifierData;
if (ob->sculpt && ob->sculpt->bm) {
/* Can't combine multires and dynamic topology. */
return nullptr;
}
bool need_mdisps = false;
if (!CustomData_get_layer(&me->ldata, CD_MDISPS)) {
if (!auto_create_mdisps) {
/* Multires can't work without displacement layer. */
return nullptr;
}
else {
need_mdisps = true;
}
}
/* Weight paint operates on original vertices, and needs to treat multires as regular modifier
* to make it so that PBVH vertices are at the multires surface. */
if ((ob->mode & OB_MODE_SCULPT) == 0) {
return nullptr;
}
for (md = BKE_modifiers_get_virtual_modifierlist(ob, &virtualModifierData); md; md = md->next) {
if (md->type == eModifierType_Multires) {
MultiresModifierData *mmd = (MultiresModifierData *)md;
if (!BKE_modifier_is_enabled(scene, md, eModifierMode_Realtime)) {
continue;
}
if (mmd->sculptlvl > 0 && !(mmd->flags & eMultiresModifierFlag_UseSculptBaseMesh)) {
if (need_mdisps) {
CustomData_add_layer(&me->ldata, CD_MDISPS, CD_SET_DEFAULT, nullptr, me->totloop);
}
return mmd;
}
return nullptr;
}
}
return nullptr;
}
MultiresModifierData *BKE_sculpt_multires_active(const Scene *scene, Object *ob)
{
return sculpt_multires_modifier_get(scene, ob, false);
}
/* Checks if there are any supported deformation modifiers active */
static bool sculpt_modifiers_active(Scene *scene, Sculpt *sd, Object *ob)
{
ModifierData *md;
Mesh *me = (Mesh *)ob->data;
VirtualModifierData virtualModifierData;
if (ob->sculpt->bm || BKE_sculpt_multires_active(scene, ob)) {
return false;
}
/* Non-locked shape keys could be handled in the same way as deformed mesh. */
if ((ob->shapeflag & OB_SHAPE_LOCK) == 0 && me->key && ob->shapenr) {
return true;
}
md = BKE_modifiers_get_virtual_modifierlist(ob, &virtualModifierData);
/* Exception for shape keys because we can edit those. */
for (; md; md = md->next) {
const ModifierTypeInfo *mti = BKE_modifier_get_info(static_cast<ModifierType>(md->type));
if (!BKE_modifier_is_enabled(scene, md, eModifierMode_Realtime)) {
continue;
}
if (md->type == eModifierType_Multires && (ob->mode & OB_MODE_SCULPT)) {
MultiresModifierData *mmd = (MultiresModifierData *)md;
if (!(mmd->flags & eMultiresModifierFlag_UseSculptBaseMesh)) {
continue;
}
}
if (md->type == eModifierType_ShapeKey) {
continue;
}
if (mti->type == eModifierTypeType_OnlyDeform) {
return true;
}
if ((sd->flags & SCULPT_ONLY_DEFORM) == 0) {
return true;
}
}
return false;
}
/* Helper function to keep persistent base attribute references up to
* date. This is a bit more tricky since they persist across strokes.
*/
static void sculpt_update_persistent_base(Object *ob)
{
SculptSession *ss = ob->sculpt;
ss->attrs.persistent_co = BKE_sculpt_attribute_get(
ob, ATTR_DOMAIN_POINT, CD_PROP_FLOAT3, SCULPT_ATTRIBUTE_NAME(persistent_co));
ss->attrs.persistent_no = BKE_sculpt_attribute_get(
ob, ATTR_DOMAIN_POINT, CD_PROP_FLOAT3, SCULPT_ATTRIBUTE_NAME(persistent_no));
ss->attrs.persistent_disp = BKE_sculpt_attribute_get(
ob, ATTR_DOMAIN_POINT, CD_PROP_FLOAT, SCULPT_ATTRIBUTE_NAME(persistent_disp));
}
static void sculpt_update_object(
Depsgraph *depsgraph, Object *ob, Object *ob_eval, bool need_pmap, bool is_paint_tool)
{
Scene *scene = DEG_get_input_scene(depsgraph);
Sculpt *sd = scene->toolsettings->sculpt;
SculptSession *ss = ob->sculpt;
Mesh *me = BKE_object_get_original_mesh(ob);
Mesh *me_eval = BKE_object_get_evaluated_mesh(ob_eval);
MultiresModifierData *mmd = sculpt_multires_modifier_get(scene, ob, true);
const bool use_face_sets = (ob->mode & OB_MODE_SCULPT) != 0;
BLI_assert(me_eval != nullptr);
ss->depsgraph = depsgraph;
ss->deform_modifiers_active = sculpt_modifiers_active(scene, sd, ob);
ss->show_mask = (sd->flags & SCULPT_HIDE_MASK) == 0;
ss->show_face_sets = (sd->flags & SCULPT_HIDE_FACE_SETS) == 0;
ss->building_vp_handle = false;
ss->scene = scene;
ss->shapekey_active = (mmd == nullptr) ? BKE_keyblock_from_object(ob) : nullptr;
/* NOTE: Weight pPaint require mesh info for loop lookup, but it never uses multires code path,
* so no extra checks is needed here. */
if (mmd) {
ss->multires.active = true;
ss->multires.modifier = mmd;
ss->multires.level = mmd->sculptlvl;
ss->totvert = me_eval->totvert;
ss->totpoly = me_eval->totpoly;
ss->totfaces = me->totpoly;
/* These are assigned to the base mesh in Multires. This is needed because Face Sets operators
* and tools use the Face Sets data from the base mesh when Multires is active. */
ss->mvert = BKE_mesh_verts_for_write(me);
ss->mpoly = BKE_mesh_polys(me);
ss->mloop = BKE_mesh_loops(me);
}
else {
ss->totvert = me->totvert;
ss->totpoly = me->totpoly;
ss->totfaces = me->totpoly;
ss->mvert = BKE_mesh_verts_for_write(me);
ss->mpoly = BKE_mesh_polys(me);
ss->mloop = BKE_mesh_loops(me);
ss->multires.active = false;
ss->multires.modifier = nullptr;
ss->multires.level = 0;
ss->vmask = static_cast<float *>(CustomData_get_layer(&me->vdata, CD_PAINT_MASK));
CustomDataLayer *layer;
eAttrDomain domain;
if (BKE_pbvh_get_color_layer(me, &layer, &domain)) {
if (layer->type == CD_PROP_COLOR) {
ss->vcol = static_cast<MPropCol *>(layer->data);
}
else {
ss->mcol = static_cast<MLoopCol *>(layer->data);
}
ss->vcol_domain = domain;
ss->vcol_type = static_cast<eCustomDataType>(layer->type);
}
else {
ss->vcol = nullptr;
ss->mcol = nullptr;
ss->vcol_type = (eCustomDataType)-1;
ss->vcol_domain = ATTR_DOMAIN_POINT;
}
}
/* Sculpt Face Sets. */
if (use_face_sets) {
ss->face_sets = static_cast<int *>(
CustomData_get_layer_named(&me->pdata, CD_PROP_INT32, ".sculpt_face_set"));
}
else {
ss->face_sets = nullptr;
}
ss->hide_poly = (bool *)CustomData_get_layer_named(&me->pdata, CD_PROP_BOOL, ".hide_poly");
ss->subdiv_ccg = me_eval->runtime.subdiv_ccg;
PBVH *pbvh = BKE_sculpt_object_pbvh_ensure(depsgraph, ob);
BLI_assert(pbvh == ss->pbvh);
UNUSED_VARS_NDEBUG(pbvh);
BKE_pbvh_subdiv_cgg_set(ss->pbvh, ss->subdiv_ccg);
BKE_pbvh_face_sets_set(ss->pbvh, ss->face_sets);
BKE_pbvh_update_hide_attributes_from_mesh(ss->pbvh);
BKE_pbvh_face_sets_color_set(ss->pbvh, me->face_sets_color_seed, me->face_sets_color_default);
sculpt_attribute_update_refs(ob);
sculpt_update_persistent_base(ob);
if (need_pmap && ob->type == OB_MESH && !ss->pmap) {
BKE_mesh_vert_poly_map_create(&ss->pmap,
&ss->pmap_mem,
BKE_mesh_polys(me),
BKE_mesh_loops(me),
me->totvert,
me->totpoly,
me->totloop);
if (ss->pbvh) {
BKE_pbvh_pmap_set(ss->pbvh, ss->pmap);
}
}
pbvh_show_mask_set(ss->pbvh, ss->show_mask);
pbvh_show_face_sets_set(ss->pbvh, ss->show_face_sets);
if (ss->deform_modifiers_active) {
/* Painting doesn't need crazyspace, use already evaluated mesh coordinates if possible. */
bool used_me_eval = false;
if (ob->mode & (OB_MODE_VERTEX_PAINT | OB_MODE_WEIGHT_PAINT)) {
Mesh *me_eval_deform = ob_eval->runtime.mesh_deform_eval;
/* If the fully evaluated mesh has the same topology as the deform-only version, use it.
* This matters because crazyspace evaluation is very restrictive and excludes even modifiers
* that simply recompute vertex weights (which can even include Geometry Nodes). */
if (me_eval_deform->polys().data() == me_eval->polys().data() &&
me_eval_deform->loops().data() == me_eval->loops().data() &&
me_eval_deform->totvert == me_eval->totvert) {
BKE_sculptsession_free_deformMats(ss);
BLI_assert(me_eval_deform->totvert == me->totvert);
ss->deform_cos = BKE_mesh_vert_coords_alloc(me_eval, NULL);
BKE_pbvh_vert_coords_apply(ss->pbvh, ss->deform_cos, me->totvert);
used_me_eval = true;
}
}
if (!ss->orig_cos && !used_me_eval) {
int a;
BKE_sculptsession_free_deformMats(ss);
ss->orig_cos = (ss->shapekey_active) ?
BKE_keyblock_convert_to_vertcos(ob, ss->shapekey_active) :
BKE_mesh_vert_coords_alloc(me, nullptr);
BKE_crazyspace_build_sculpt(depsgraph, scene, ob, &ss->deform_imats, &ss->deform_cos);
BKE_pbvh_vert_coords_apply(ss->pbvh, ss->deform_cos, me->totvert);
for (a = 0; a < me->totvert; a++) {
invert_m3(ss->deform_imats[a]);
}
}
}
else {
BKE_sculptsession_free_deformMats(ss);
}
if (ss->shapekey_active != nullptr && ss->deform_cos == nullptr) {
ss->deform_cos = BKE_keyblock_convert_to_vertcos(ob, ss->shapekey_active);
}
/* if pbvh is deformed, key block is already applied to it */
if (ss->shapekey_active) {
bool pbvh_deformed = BKE_pbvh_is_deformed(ss->pbvh);
if (!pbvh_deformed || ss->deform_cos == nullptr) {
float(*vertCos)[3] = BKE_keyblock_convert_to_vertcos(ob, ss->shapekey_active);
if (vertCos) {
if (!pbvh_deformed) {
/* apply shape keys coordinates to PBVH */
BKE_pbvh_vert_coords_apply(ss->pbvh, vertCos, me->totvert);
}
if (ss->deform_cos == nullptr) {
ss->deform_cos = vertCos;
}
if (vertCos != ss->deform_cos) {
MEM_freeN(vertCos);
}
}
}
}
if (is_paint_tool) {
/*
* We should rebuild the PBVH_pixels when painting canvas changes.
*
* The relevant changes are stored/encoded in the paint canvas key.
* These include the active uv map, and resolutions.
*/
if (U.experimental.use_sculpt_texture_paint && ss->pbvh) {
char *paint_canvas_key = BKE_paint_canvas_key_get(&scene->toolsettings->paint_mode, ob);
if (ss->last_paint_canvas_key == nullptr ||
!STREQ(paint_canvas_key, ss->last_paint_canvas_key)) {
MEM_SAFE_FREE(ss->last_paint_canvas_key);
ss->last_paint_canvas_key = paint_canvas_key;
BKE_pbvh_mark_rebuild_pixels(ss->pbvh);
}
else {
MEM_freeN(paint_canvas_key);
}
}
/* We could be more precise when we have access to the active tool. */
const bool use_paint_slots = (ob->mode & OB_MODE_SCULPT) != 0;
if (use_paint_slots) {
BKE_texpaint_slots_refresh_object(scene, ob);
}
}
}
void BKE_sculpt_update_object_before_eval(Object *ob_eval)
{
/* Update before mesh evaluation in the dependency graph. */
SculptSession *ss = ob_eval->sculpt;
if (ss && ss->building_vp_handle == false) {
if (!ss->cache && !ss->filter_cache && !ss->expand_cache) {
/* We free pbvh on changes, except in the middle of drawing a stroke
* since it can't deal with changing PVBH node organization, we hope
* topology does not change in the meantime .. weak. */
sculptsession_free_pbvh(ob_eval);
BKE_sculptsession_free_deformMats(ob_eval->sculpt);
/* In vertex/weight paint, force maps to be rebuilt. */
BKE_sculptsession_free_vwpaint_data(ob_eval->sculpt);
}
else {
PBVHNode **nodes;
int n, totnode;
BKE_pbvh_search_gather(ss->pbvh, nullptr, nullptr, &nodes, &totnode);
for (n = 0; n < totnode; n++) {
BKE_pbvh_node_mark_update(nodes[n]);
}
MEM_freeN(nodes);
}
}
}
void BKE_sculpt_update_object_after_eval(Depsgraph *depsgraph, Object *ob_eval)
{
/* Update after mesh evaluation in the dependency graph, to rebuild PBVH or
* other data when modifiers change the mesh. */
Object *ob_orig = DEG_get_original_object(ob_eval);
sculpt_update_object(depsgraph, ob_orig, ob_eval, false, false);
}
void BKE_sculpt_color_layer_create_if_needed(Object *object)
{
Mesh *orig_me = BKE_object_get_original_mesh(object);
int types[] = {CD_PROP_COLOR, CD_PROP_BYTE_COLOR};
bool has_color = false;
for (int i = 0; i < ARRAY_SIZE(types); i++) {
has_color = CustomData_has_layer(&orig_me->vdata, types[i]) ||
CustomData_has_layer(&orig_me->ldata, types[i]);
if (has_color) {
break;
}
}
if (has_color) {
return;
}
CustomData_add_layer(&orig_me->vdata, CD_PROP_COLOR, CD_SET_DEFAULT, nullptr, orig_me->totvert);
CustomDataLayer *layer = orig_me->vdata.layers +
CustomData_get_layer_index(&orig_me->vdata, CD_PROP_COLOR);
BKE_mesh_tessface_clear(orig_me);
BKE_id_attributes_active_color_set(&orig_me->id, layer);
DEG_id_tag_update(&orig_me->id, ID_RECALC_GEOMETRY_ALL_MODES);
if (object->sculpt && object->sculpt->pbvh) {
BKE_pbvh_update_active_vcol(object->sculpt->pbvh, orig_me);
}
}
void BKE_sculpt_update_object_for_edit(
Depsgraph *depsgraph, Object *ob_orig, bool need_pmap, bool /*need_mask*/, bool is_paint_tool)
{
BLI_assert(ob_orig == DEG_get_original_object(ob_orig));
Object *ob_eval = DEG_get_evaluated_object(depsgraph, ob_orig);
sculpt_update_object(depsgraph, ob_orig, ob_eval, need_pmap, is_paint_tool);
}
int *BKE_sculpt_face_sets_ensure(Mesh *mesh)
{
using namespace blender;
using namespace blender::bke;
MutableAttributeAccessor attributes = mesh->attributes_for_write();
if (!attributes.contains(".sculpt_face_set")) {
SpanAttributeWriter<int> face_sets = attributes.lookup_or_add_for_write_only_span<int>(
".sculpt_face_set", ATTR_DOMAIN_FACE);
face_sets.span.fill(1);
mesh->face_sets_color_default = 1;
face_sets.finish();
}
return static_cast<int *>(
CustomData_get_layer_named(&mesh->pdata, CD_PROP_INT32, ".sculpt_face_set"));
}
bool *BKE_sculpt_hide_poly_ensure(Mesh *mesh)
{
if (bool *hide_poly = static_cast<bool *>(
CustomData_get_layer_named(&mesh->pdata, CD_PROP_BOOL, ".hide_poly"))) {
return hide_poly;
}
return static_cast<bool *>(CustomData_add_layer_named(
&mesh->pdata, CD_PROP_BOOL, CD_SET_DEFAULT, nullptr, mesh->totpoly, ".hide_poly"));
}
int BKE_sculpt_mask_layers_ensure(Object *ob, MultiresModifierData *mmd)
{
Mesh *me = static_cast<Mesh *>(ob->data);
const Span<MPoly> polys = me->polys();
const Span<MLoop> loops = me->loops();
int ret = 0;
const float *paint_mask = static_cast<const float *>(
CustomData_get_layer(&me->vdata, CD_PAINT_MASK));
/* if multires is active, create a grid paint mask layer if there
* isn't one already */
if (mmd && !CustomData_has_layer(&me->ldata, CD_GRID_PAINT_MASK)) {
GridPaintMask *gmask;
int level = max_ii(1, mmd->sculptlvl);
int gridsize = BKE_ccg_gridsize(level);
int gridarea = gridsize * gridsize;
int i, j;
gmask = static_cast<GridPaintMask *>(CustomData_add_layer(
&me->ldata, CD_GRID_PAINT_MASK, CD_SET_DEFAULT, nullptr, me->totloop));
for (i = 0; i < me->totloop; i++) {
GridPaintMask *gpm = &gmask[i];
gpm->level = level;
gpm->data = static_cast<float *>(
MEM_callocN(sizeof(float) * gridarea, "GridPaintMask.data"));
}
/* if vertices already have mask, copy into multires data */
if (paint_mask) {
for (i = 0; i < me->totpoly; i++) {
const MPoly *p = &polys[i];
float avg = 0;
/* mask center */
for (j = 0; j < p->totloop; j++) {
const MLoop *l = &loops[p->loopstart + j];
avg += paint_mask[l->v];
}
avg /= float(p->totloop);
/* fill in multires mask corner */
for (j = 0; j < p->totloop; j++) {
GridPaintMask *gpm = &gmask[p->loopstart + j];
const MLoop *l = &loops[p->loopstart + j];
const MLoop *prev = ME_POLY_LOOP_PREV(loops, p, j);
const MLoop *next = ME_POLY_LOOP_NEXT(loops, p, j);
gpm->data[0] = avg;
gpm->data[1] = (paint_mask[l->v] + paint_mask[next->v]) * 0.5f;
gpm->data[2] = (paint_mask[l->v] + paint_mask[prev->v]) * 0.5f;
gpm->data[3] = paint_mask[l->v];
}
}
}
/* The evaluated multires CCG must be updated to contain the new data. */
DEG_id_tag_update(&ob->id, ID_RECALC_GEOMETRY);
ret |= SCULPT_MASK_LAYER_CALC_LOOP;
}
/* Create vertex paint mask layer if there isn't one already. */
if (!paint_mask) {
CustomData_add_layer(&me->vdata, CD_PAINT_MASK, CD_SET_DEFAULT, nullptr, me->totvert);
/* The evaluated mesh must be updated to contain the new data. */
DEG_id_tag_update(&ob->id, ID_RECALC_GEOMETRY);
ret |= SCULPT_MASK_LAYER_CALC_VERT;
}
return ret;
}
void BKE_sculpt_toolsettings_data_ensure(Scene *scene)
{
BKE_paint_ensure(scene->toolsettings, (Paint **)&scene->toolsettings->sculpt);
Sculpt *sd = scene->toolsettings->sculpt;
if (!sd->detail_size) {
sd->detail_size = 12;
}
if (!sd->detail_percent) {
sd->detail_percent = 25;
}
if (sd->constant_detail == 0.0f) {
sd->constant_detail = 3.0f;
}
if (!sd->automasking_start_normal_limit) {
sd->automasking_start_normal_limit = 20.0f / 180.0f * M_PI;
sd->automasking_start_normal_falloff = 0.25f;
sd->automasking_view_normal_limit = 90.0f / 180.0f * M_PI;
sd->automasking_view_normal_falloff = 0.25f;
}
/* Set sane default tiling offsets. */
if (!sd->paint.tile_offset[0]) {
sd->paint.tile_offset[0] = 1.0f;
}
if (!sd->paint.tile_offset[1]) {
sd->paint.tile_offset[1] = 1.0f;
}
if (!sd->paint.tile_offset[2]) {
sd->paint.tile_offset[2] = 1.0f;
}
if (!sd->automasking_cavity_curve || !sd->automasking_cavity_curve_op) {
BKE_sculpt_check_cavity_curves(sd);
}
}
static bool check_sculpt_object_deformed(Object *object, const bool for_construction)
{
bool deformed = false;
/* Active modifiers means extra deformation, which can't be handled correct
* on birth of PBVH and sculpt "layer" levels, so use PBVH only for internal brush
* stuff and show final evaluated mesh so user would see actual object shape. */
deformed |= object->sculpt->deform_modifiers_active;
if (for_construction) {
deformed |= object->sculpt->shapekey_active != nullptr;
}
else {
/* As in case with modifiers, we can't synchronize deformation made against
* PBVH and non-locked keyblock, so also use PBVH only for brushes and
* final DM to give final result to user. */
deformed |= object->sculpt->shapekey_active && (object->shapeflag & OB_SHAPE_LOCK) == 0;
}
return deformed;
}
void BKE_sculpt_sync_face_visibility_to_grids(Mesh *mesh, SubdivCCG *subdiv_ccg)
{
using namespace blender;
using namespace blender::bke;
if (!subdiv_ccg) {
return;
}
const AttributeAccessor attributes = mesh->attributes();
const VArray<bool> hide_poly = attributes.lookup_or_default<bool>(
".hide_poly", ATTR_DOMAIN_FACE, false);
if (hide_poly.is_single() && !hide_poly.get_internal_single()) {
/* Nothing is hidden, so we can just remove all visibility bitmaps. */
for (const int i : hide_poly.index_range()) {
BKE_subdiv_ccg_grid_hidden_free(subdiv_ccg, i);
}
return;
}
const VArraySpan<bool> hide_poly_span(hide_poly);
CCGKey key;
BKE_subdiv_ccg_key_top_level(&key, subdiv_ccg);
for (int i = 0; i < mesh->totloop; i++) {
const int face_index = BKE_subdiv_ccg_grid_to_face_index(subdiv_ccg, i);
const bool is_hidden = hide_poly_span[face_index];
/* Avoid creating and modifying the grid_hidden bitmap if the base mesh face is visible and
* there is not bitmap for the grid. This is because missing grid_hidden implies grid is fully
* visible. */
if (is_hidden) {
BKE_subdiv_ccg_grid_hidden_ensure(subdiv_ccg, i);
}
BLI_bitmap *gh = subdiv_ccg->grid_hidden[i];
if (gh) {
BLI_bitmap_set_all(gh, is_hidden, key.grid_area);
}
}
}
static PBVH *build_pbvh_for_dynamic_topology(Object *ob)
{
PBVH *pbvh = ob->sculpt->pbvh = BKE_pbvh_new(PBVH_BMESH);
sculptsession_bmesh_add_layers(ob);
BKE_pbvh_build_bmesh(pbvh,
ob->sculpt->bm,
ob->sculpt->bm_smooth_shading,
ob->sculpt->bm_log,
ob->sculpt->attrs.dyntopo_node_id_vertex->bmesh_cd_offset,
ob->sculpt->attrs.dyntopo_node_id_face->bmesh_cd_offset);
pbvh_show_mask_set(pbvh, ob->sculpt->show_mask);
pbvh_show_face_sets_set(pbvh, false);
return pbvh;
}
static PBVH *build_pbvh_from_regular_mesh(Object *ob, Mesh *me_eval_deform, bool respect_hide)
{
Mesh *me = BKE_object_get_original_mesh(ob);
const int looptris_num = poly_to_tri_count(me->totpoly, me->totloop);
PBVH *pbvh = BKE_pbvh_new(PBVH_FACES);
BKE_pbvh_respect_hide_set(pbvh, respect_hide);
MutableSpan<MVert> verts = me->verts_for_write();
const Span<MPoly> polys = me->polys();
const Span<MLoop> loops = me->loops();
MLoopTri *looptri = static_cast<MLoopTri *>(
MEM_malloc_arrayN(looptris_num, sizeof(*looptri), __func__));
BKE_mesh_recalc_looptri(
loops.data(), polys.data(), verts.data(), me->totloop, me->totpoly, looptri);
BKE_pbvh_build_mesh(pbvh,
me,
polys.data(),
loops.data(),
verts.data(),
me->totvert,
&me->vdata,
&me->ldata,
&me->pdata,
looptri,
looptris_num);
pbvh_show_mask_set(pbvh, ob->sculpt->show_mask);
pbvh_show_face_sets_set(pbvh, ob->sculpt->show_face_sets);
const bool is_deformed = check_sculpt_object_deformed(ob, true);
if (is_deformed && me_eval_deform != nullptr) {
int totvert;
float(*v_cos)[3] = BKE_mesh_vert_coords_alloc(me_eval_deform, &totvert);
BKE_pbvh_vert_coords_apply(pbvh, v_cos, totvert);
MEM_freeN(v_cos);
}
return pbvh;
}
static PBVH *build_pbvh_from_ccg(Object *ob, SubdivCCG *subdiv_ccg, bool respect_hide)
{
CCGKey key;
BKE_subdiv_ccg_key_top_level(&key, subdiv_ccg);
PBVH *pbvh = BKE_pbvh_new(PBVH_GRIDS);
BKE_pbvh_respect_hide_set(pbvh, respect_hide);
Mesh *base_mesh = BKE_mesh_from_object(ob);
BKE_sculpt_sync_face_visibility_to_grids(base_mesh, subdiv_ccg);
BKE_pbvh_build_grids(pbvh,
subdiv_ccg->grids,
subdiv_ccg->num_grids,
&key,
(void **)subdiv_ccg->grid_faces,
subdiv_ccg->grid_flag_mats,
subdiv_ccg->grid_hidden,
base_mesh);
pbvh_show_mask_set(pbvh, ob->sculpt->show_mask);
pbvh_show_face_sets_set(pbvh, ob->sculpt->show_face_sets);
return pbvh;
}
PBVH *BKE_sculpt_object_pbvh_ensure(Depsgraph *depsgraph, Object *ob)
{
if (ob == nullptr || ob->sculpt == nullptr) {
return nullptr;
}
const bool respect_hide = true;
PBVH *pbvh = ob->sculpt->pbvh;
if (pbvh != nullptr) {
/* NOTE: It is possible that grids were re-allocated due to modifier
* stack. Need to update those pointers. */
if (BKE_pbvh_type(pbvh) == PBVH_GRIDS) {
Object *object_eval = DEG_get_evaluated_object(depsgraph, ob);
Mesh *mesh_eval = static_cast<Mesh *>(object_eval->data);
SubdivCCG *subdiv_ccg = mesh_eval->runtime.subdiv_ccg;
if (subdiv_ccg != nullptr) {
BKE_sculpt_bvh_update_from_ccg(pbvh, subdiv_ccg);
}
}
BKE_pbvh_update_active_vcol(pbvh, BKE_object_get_original_mesh(ob));
BKE_pbvh_pmap_set(pbvh, ob->sculpt->pmap);
return pbvh;
}
if (ob->sculpt->bm != nullptr) {
/* Sculpting on a BMesh (dynamic-topology) gets a special PBVH. */
pbvh = build_pbvh_for_dynamic_topology(ob);
}
else {
Object *object_eval = DEG_get_evaluated_object(depsgraph, ob);
Mesh *mesh_eval = static_cast<Mesh *>(object_eval->data);
if (mesh_eval->runtime.subdiv_ccg != nullptr) {
pbvh = build_pbvh_from_ccg(ob, mesh_eval->runtime.subdiv_ccg, respect_hide);
}
else if (ob->type == OB_MESH) {
Mesh *me_eval_deform = object_eval->runtime.mesh_deform_eval;
pbvh = build_pbvh_from_regular_mesh(ob, me_eval_deform, respect_hide);
}
}
BKE_pbvh_pmap_set(pbvh, ob->sculpt->pmap);
sculpt_attribute_update_refs(ob);
ob->sculpt->pbvh = pbvh;
return pbvh;
}
void BKE_sculpt_bvh_update_from_ccg(PBVH *pbvh, SubdivCCG *subdiv_ccg)
{
BKE_pbvh_grids_update(pbvh,
subdiv_ccg->grids,
(void **)subdiv_ccg->grid_faces,
subdiv_ccg->grid_flag_mats,
subdiv_ccg->grid_hidden);
}
bool BKE_sculptsession_use_pbvh_draw(const Object *ob, const View3D * /*v3d*/)
{
SculptSession *ss = ob->sculpt;
if (ss == nullptr || ss->pbvh == nullptr || ss->mode_type != OB_MODE_SCULPT) {
return false;
}
if (BKE_pbvh_type(ss->pbvh) == PBVH_FACES) {
/* Regular mesh only draws from PBVH without modifiers and shape keys. */
return !(ss->shapekey_active || ss->deform_modifiers_active);
}
/* Multires and dyntopo always draw directly from the PBVH. */
return true;
}
/* Returns the Face Set random color for rendering in the overlay given its ID and a color seed. */
#define GOLDEN_RATIO_CONJUGATE 0.618033988749895f
void BKE_paint_face_set_overlay_color_get(const int face_set, const int seed, uchar r_color[4])
{
float rgba[4];
float random_mod_hue = GOLDEN_RATIO_CONJUGATE * (face_set + (seed % 10));
random_mod_hue = random_mod_hue - floorf(random_mod_hue);
const float random_mod_sat = BLI_hash_int_01(face_set + seed + 1);
const float random_mod_val = BLI_hash_int_01(face_set + seed + 2);
hsv_to_rgb(random_mod_hue,
0.6f + (random_mod_sat * 0.25f),
1.0f - (random_mod_val * 0.35f),
&rgba[0],
&rgba[1],
&rgba[2]);
rgba_float_to_uchar(r_color, rgba);
}
int BKE_sculptsession_vertex_count(const SculptSession *ss)
{
switch (BKE_pbvh_type(ss->pbvh)) {
case PBVH_FACES:
return ss->totvert;
case PBVH_BMESH:
return BM_mesh_elem_count(ss->bm, BM_VERT);
case PBVH_GRIDS:
return BKE_pbvh_get_grid_num_verts(ss->pbvh);
}
return 0;
}
/** Returns pointer to a CustomData associated with a given domain, if
* one exists. If not nullptr is returned (this may happen with e.g.
* multires and ATTR_DOMAIN_POINT).
*/
static CustomData *sculpt_get_cdata(Object *ob, eAttrDomain domain)
{
SculptSession *ss = ob->sculpt;
if (ss->bm) {
switch (domain) {
case ATTR_DOMAIN_POINT:
return &ss->bm->vdata;
case ATTR_DOMAIN_FACE:
return &ss->bm->pdata;
default:
BLI_assert_unreachable();
return NULL;
}
}
else {
Mesh *me = BKE_object_get_original_mesh(ob);
switch (domain) {
case ATTR_DOMAIN_POINT:
/* Cannot get vertex domain for multires grids. */
if (ss->pbvh && BKE_pbvh_type(ss->pbvh) == PBVH_GRIDS) {
return nullptr;
}
return &me->vdata;
case ATTR_DOMAIN_FACE:
return &me->pdata;
default:
BLI_assert_unreachable();
return NULL;
}
}
}
static int sculpt_attr_elem_count_get(Object *ob, eAttrDomain domain)
{
SculptSession *ss = ob->sculpt;
switch (domain) {
case ATTR_DOMAIN_POINT:
return BKE_sculptsession_vertex_count(ss);
break;
case ATTR_DOMAIN_FACE:
return ss->totfaces;
break;
default:
BLI_assert_unreachable();
return 0;
}
}
static bool sculpt_attribute_create(SculptSession *ss,
Object *ob,
eAttrDomain domain,
eCustomDataType proptype,
const char *name,
SculptAttribute *out,
const SculptAttributeParams *params,
PBVHType pbvhtype,
bool flat_array_for_bmesh)
{
Mesh *me = BKE_object_get_original_mesh(ob);
bool simple_array = params->simple_array;
bool permanent = params->permanent;
out->params = *params;
out->proptype = proptype;
out->domain = domain;
BLI_strncpy_utf8(out->name, name, sizeof(out->name));
/* Force non-CustomData simple_array mode if not PBVH_FACES. */
if (pbvhtype == PBVH_GRIDS || (pbvhtype == PBVH_BMESH && flat_array_for_bmesh)) {
if (permanent) {
printf(
"%s: error: tried to make permanent customdata in multires or bmesh mode; will make "
"local "
"array "
"instead.\n",
__func__);
permanent = (out->params.permanent = false);
}
simple_array = (out->params.simple_array = true);
}
BLI_assert(!(simple_array && permanent));
int totelem = sculpt_attr_elem_count_get(ob, domain);
if (simple_array) {
int elemsize = CustomData_sizeof(proptype);
out->data = MEM_calloc_arrayN(totelem, elemsize, __func__);
out->data_for_bmesh = ss->bm != NULL;
out->bmesh_cd_offset = -1;
out->layer = NULL;
out->elem_size = elemsize;
out->used = true;
out->elem_num = totelem;
return true;
}
switch (BKE_pbvh_type(ss->pbvh)) {
case PBVH_BMESH: {
CustomData *cdata = NULL;
out->data_for_bmesh = true;
switch (domain) {
case ATTR_DOMAIN_POINT:
cdata = &ss->bm->vdata;
break;
case ATTR_DOMAIN_FACE:
cdata = &ss->bm->pdata;
break;
default:
out->used = false;
return false;
}
BLI_assert(CustomData_get_named_layer_index(cdata, proptype, name) == -1);
BM_data_layer_add_named(ss->bm, cdata, proptype, name);
int index = CustomData_get_named_layer_index(cdata, proptype, name);
if (!permanent) {
cdata->layers[index].flag |= CD_FLAG_TEMPORARY | CD_FLAG_NOCOPY;
}
out->data = NULL;
out->layer = cdata->layers + index;
out->bmesh_cd_offset = out->layer->offset;
out->elem_size = CustomData_sizeof(proptype);
break;
}
case PBVH_FACES: {
CustomData *cdata = NULL;
out->data_for_bmesh = false;
switch (domain) {
case ATTR_DOMAIN_POINT:
cdata = &me->vdata;
break;
case ATTR_DOMAIN_FACE:
cdata = &me->pdata;
break;
default:
out->used = false;
return false;
}
BLI_assert(CustomData_get_named_layer_index(cdata, proptype, name) == -1);
CustomData_add_layer_named(cdata, proptype, CD_SET_DEFAULT, NULL, totelem, name);
int index = CustomData_get_named_layer_index(cdata, proptype, name);
if (!permanent) {
cdata->layers[index].flag |= CD_FLAG_TEMPORARY | CD_FLAG_NOCOPY;
}
out->data = NULL;
out->layer = cdata->layers + index;
out->bmesh_cd_offset = -1;
out->data = out->layer->data;
out->elem_size = CustomData_get_elem_size(out->layer);
break;
}
case PBVH_GRIDS: {
/* GRIDS should have been handled as simple arrays. */
BLI_assert_unreachable();
break;
}
default:
BLI_assert_unreachable();
break;
}
out->used = true;
out->elem_num = totelem;
return true;
}
static bool sculpt_attr_update(Object *ob, SculptAttribute *attr)
{
SculptSession *ss = ob->sculpt;
int elem_num = sculpt_attr_elem_count_get(ob, attr->domain);
bool bad = false;
if (attr->params.simple_array) {
bad = attr->elem_num != elem_num;
if (bad) {
MEM_SAFE_FREE(attr->data);
}
}
else {
CustomData *cdata = sculpt_get_cdata(ob, attr->domain);
if (cdata) {
int layer_index = CustomData_get_named_layer_index(cdata, attr->proptype, attr->name);
bad = layer_index == -1;
if (ss->bm) {
attr->bmesh_cd_offset = cdata->layers[layer_index].offset;
}
}
}
if (bad) {
sculpt_attribute_create(ss,
ob,
attr->domain,
attr->proptype,
attr->name,
attr,
&attr->params,
BKE_pbvh_type(ss->pbvh),
true);
}
return bad;
}
static SculptAttribute *sculpt_get_cached_layer(SculptSession *ss,
eAttrDomain domain,
eCustomDataType proptype,
const char *name)
{
for (int i = 0; i < SCULPT_MAX_ATTRIBUTES; i++) {
SculptAttribute *attr = ss->temp_attributes + i;
if (attr->used && STREQ(attr->name, name) && attr->proptype == proptype &&
attr->domain == domain) {
return attr;
}
}
return NULL;
}
bool BKE_sculpt_attribute_exists(Object *ob,
eAttrDomain domain,
eCustomDataType proptype,
const char *name)
{
SculptSession *ss = ob->sculpt;
SculptAttribute *attr = sculpt_get_cached_layer(ss, domain, proptype, name);
if (attr) {
return true;
}
CustomData *cdata = sculpt_get_cdata(ob, domain);
return CustomData_get_named_layer_index(cdata, proptype, name) != -1;
return false;
}
static SculptAttribute *sculpt_alloc_attr(SculptSession *ss)
{
for (int i = 0; i < SCULPT_MAX_ATTRIBUTES; i++) {
if (!ss->temp_attributes[i].used) {
memset((void *)(ss->temp_attributes + i), 0, sizeof(SculptAttribute));
ss->temp_attributes[i].used = true;
return ss->temp_attributes + i;
}
}
BLI_assert_unreachable();
return NULL;
}
SculptAttribute *BKE_sculpt_attribute_get(struct Object *ob,
eAttrDomain domain,
eCustomDataType proptype,
const char *name)
{
SculptSession *ss = ob->sculpt;
/* See if attribute is cached in ss->temp_attributes. */
SculptAttribute *attr = sculpt_get_cached_layer(ss, domain, proptype, name);
if (attr) {
if (sculpt_attr_update(ob, attr)) {
sculpt_attribute_update_refs(ob);
}
return attr;
}
/* Does attribute exist in CustomData layout? */
CustomData *cdata = sculpt_get_cdata(ob, domain);
if (cdata) {
int index = CustomData_get_named_layer_index(cdata, proptype, name);
if (index != -1) {
int totelem = 0;
switch (domain) {
case ATTR_DOMAIN_POINT:
totelem = BKE_sculptsession_vertex_count(ss);
break;
case ATTR_DOMAIN_FACE:
totelem = ss->totfaces;
break;
default:
BLI_assert_unreachable();
break;
}
attr = sculpt_alloc_attr(ss);
attr->used = true;
attr->proptype = proptype;
attr->data = cdata->layers[index].data;
attr->bmesh_cd_offset = cdata->layers[index].offset;
attr->elem_num = totelem;
attr->layer = cdata->layers + index;
attr->elem_size = CustomData_get_elem_size(attr->layer);
BLI_strncpy_utf8(attr->name, name, sizeof(attr->name));
return attr;
}
}
return NULL;
}
static SculptAttribute *sculpt_attribute_ensure_ex(Object *ob,
eAttrDomain domain,
eCustomDataType proptype,
const char *name,
const SculptAttributeParams *params,
PBVHType pbvhtype,
bool flat_array_for_bmesh)
{
SculptSession *ss = ob->sculpt;
SculptAttribute *attr = BKE_sculpt_attribute_get(ob, domain, proptype, name);
if (attr) {
return attr;
}
attr = sculpt_alloc_attr(ss);
/* Create attribute. */
sculpt_attribute_create(
ss, ob, domain, proptype, name, attr, params, pbvhtype, flat_array_for_bmesh);
sculpt_attribute_update_refs(ob);
return attr;
}
SculptAttribute *BKE_sculpt_attribute_ensure(Object *ob,
eAttrDomain domain,
eCustomDataType proptype,
const char *name,
const SculptAttributeParams *params)
{
SculptAttributeParams temp_params = *params;
return sculpt_attribute_ensure_ex(
ob, domain, proptype, name, &temp_params, BKE_pbvh_type(ob->sculpt->pbvh), true);
}
static void sculptsession_bmesh_attr_update_internal(Object *ob)
{
SculptSession *ss = ob->sculpt;
sculptsession_bmesh_add_layers(ob);
if (ss->pbvh) {
BKE_pbvh_update_bmesh_offsets(ss->pbvh,
ob->sculpt->attrs.dyntopo_node_id_vertex->bmesh_cd_offset,
ob->sculpt->attrs.dyntopo_node_id_face->bmesh_cd_offset);
}
}
void sculptsession_bmesh_add_layers(Object *ob)
{
SculptSession *ss = ob->sculpt;
SculptAttributeParams params = {0};
ss->attrs.dyntopo_node_id_vertex = sculpt_attribute_ensure_ex(
ob,
ATTR_DOMAIN_POINT,
CD_PROP_INT32,
SCULPT_ATTRIBUTE_NAME(dyntopo_node_id_vertex),
¶ms,
PBVH_BMESH,
false);
ss->attrs.dyntopo_node_id_face = sculpt_attribute_ensure_ex(
ob,
ATTR_DOMAIN_FACE,
CD_PROP_INT32,
SCULPT_ATTRIBUTE_NAME(dyntopo_node_id_face),
¶ms,
PBVH_BMESH,
false);
}
void BKE_sculpt_attributes_destroy_temporary_stroke(Object *ob)
{
SculptSession *ss = ob->sculpt;
for (int i = 0; i < SCULPT_MAX_ATTRIBUTES; i++) {
SculptAttribute *attr = ss->temp_attributes + i;
if (attr->params.stroke_only) {
BKE_sculpt_attribute_destroy(ob, attr);
}
}
}
static void sculpt_attribute_update_refs(Object *ob)
{
SculptSession *ss = ob->sculpt;
/* run twice, in case sculpt_attr_update had to recreate a layer and
messed up the bmesh offsets. */
for (int i = 0; i < 2; i++) {
for (int j = 0; j < SCULPT_MAX_ATTRIBUTES; j++) {
SculptAttribute *attr = ss->temp_attributes + j;
if (attr->used) {
sculpt_attr_update(ob, attr);
}
}
if (ss->bm) {
sculptsession_bmesh_attr_update_internal(ob);
}
}
Mesh *me = BKE_object_get_original_mesh(ob);
if (ss->pbvh) {
BKE_pbvh_update_active_vcol(ss->pbvh, me);
}
}
void BKE_sculpt_attribute_destroy_temporary_all(Object *ob)
{
SculptSession *ss = ob->sculpt;
for (int i = 0; i < SCULPT_MAX_ATTRIBUTES; i++) {
SculptAttribute *attr = ss->temp_attributes + i;
if (attr->used && !attr->params.permanent) {
BKE_sculpt_attribute_destroy(ob, attr);
}
}
}
bool BKE_sculpt_attribute_destroy(Object *ob, SculptAttribute *attr)
{
SculptSession *ss = ob->sculpt;
eAttrDomain domain = attr->domain;
BLI_assert(attr->used);
/* Remove from convenience pointer struct. */
SculptAttribute **ptrs = (SculptAttribute **)&ss->attrs;
int ptrs_num = sizeof(ss->attrs) / sizeof(void *);
for (int i = 0; i < ptrs_num; i++) {
if (ptrs[i] == attr) {
ptrs[i] = NULL;
}
}
/* Remove from internal temp_attributes array. */
for (int i = 0; i < SCULPT_MAX_ATTRIBUTES; i++) {
SculptAttribute *attr2 = ss->temp_attributes + i;
if (STREQ(attr2->name, attr->name) && attr2->domain == attr->domain &&
attr2->proptype == attr->proptype) {
attr2->used = false;
}
}
Mesh *me = BKE_object_get_original_mesh(ob);
if (attr->params.simple_array) {
MEM_SAFE_FREE(attr->data);
}
else if (ss->bm) {
CustomData *cdata = attr->domain == ATTR_DOMAIN_POINT ? &ss->bm->vdata : &ss->bm->pdata;
BM_data_layer_free_named(ss->bm, cdata, attr->name);
}
else {
CustomData *cdata = NULL;
int totelem = 0;
switch (domain) {
case ATTR_DOMAIN_POINT:
cdata = ss->bm ? &ss->bm->vdata : &me->vdata;
totelem = ss->totvert;
break;
case ATTR_DOMAIN_FACE:
cdata = ss->bm ? &ss->bm->pdata : &me->pdata;
totelem = ss->totfaces;
break;
default:
BLI_assert_unreachable();
return false;
}
/* We may have been called after destroying ss->bm in which case attr->layer
* might be invalid.
*/
int layer_i = CustomData_get_named_layer_index(cdata, attr->proptype, attr->name);
if (layer_i != 0) {
CustomData_free_layer(cdata, attr->proptype, totelem, layer_i);
}
sculpt_attribute_update_refs(ob);
}
attr->data = NULL;
attr->used = false;
return true;
}
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