tornavis/source/blender/editors/sculpt_paint/sculpt_mask_init.cc

155 lines
4.1 KiB
C++

/* SPDX-FileCopyrightText: 2021 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup edsculpt
*/
#include "MEM_guardedalloc.h"
#include "BLI_hash.h"
#include "BLI_task.h"
#include "BLI_time.h"
#include "DNA_object_types.h"
#include "BKE_ccg.h"
#include "BKE_context.hh"
#include "BKE_layer.hh"
#include "BKE_multires.hh"
#include "BKE_paint.hh"
#include "BKE_pbvh_api.hh"
#include "WM_api.hh"
#include "WM_types.hh"
#include "RNA_access.hh"
#include "RNA_define.hh"
#include "sculpt_intern.hh"
#include "bmesh.hh"
#include <cmath>
#include <cstdlib>
/* Mask Init operator. */
/* Initializes mask values for the entire mesh depending on the mode. */
namespace blender::ed::sculpt_paint::mask {
enum eSculptMaskInitMode {
SCULPT_MASK_INIT_RANDOM_PER_VERTEX,
SCULPT_MASK_INIT_RANDOM_PER_FACE_SET,
SCULPT_MASK_INIT_RANDOM_PER_LOOSE_PART,
};
static void mask_init_task(Object *ob,
const int mode,
const int seed,
const SculptMaskWriteInfo mask_write,
PBVHNode *node)
{
SculptSession *ss = ob->sculpt;
PBVHVertexIter vd;
undo::push_node(ob, node, undo::Type::Mask);
BKE_pbvh_vertex_iter_begin (ss->pbvh, node, vd, PBVH_ITER_UNIQUE) {
float mask;
switch (mode) {
case SCULPT_MASK_INIT_RANDOM_PER_VERTEX:
mask = BLI_hash_int_01(vd.index + seed);
break;
case SCULPT_MASK_INIT_RANDOM_PER_FACE_SET: {
const int face_set = face_set::vert_face_set_get(ss, vd.vertex);
mask = BLI_hash_int_01(face_set + seed);
break;
}
case SCULPT_MASK_INIT_RANDOM_PER_LOOSE_PART:
mask = BLI_hash_int_01(SCULPT_vertex_island_get(ss, vd.vertex) + seed);
break;
}
SCULPT_mask_vert_set(BKE_pbvh_type(ss->pbvh), mask_write, mask, vd);
}
BKE_pbvh_vertex_iter_end;
BKE_pbvh_node_mark_update_mask(node);
}
static int sculpt_mask_init_exec(bContext *C, wmOperator *op)
{
Object *ob = CTX_data_active_object(C);
SculptSession *ss = ob->sculpt;
Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
const View3D *v3d = CTX_wm_view3d(C);
const Base *base = CTX_data_active_base(C);
if (!BKE_base_is_visible(v3d, base)) {
return OPERATOR_CANCELLED;
}
const int mode = RNA_enum_get(op->ptr, "mode");
MultiresModifierData *mmd = BKE_sculpt_multires_active(CTX_data_scene(C), ob);
BKE_sculpt_mask_layers_ensure(depsgraph, CTX_data_main(C), ob, mmd);
BKE_sculpt_update_object_for_edit(depsgraph, ob, false);
PBVH *pbvh = ob->sculpt->pbvh;
Vector<PBVHNode *> nodes = bke::pbvh::search_gather(pbvh, {});
if (nodes.is_empty()) {
return OPERATOR_CANCELLED;
}
undo::push_begin(ob, op);
if (mode == SCULPT_MASK_INIT_RANDOM_PER_LOOSE_PART) {
SCULPT_topology_islands_ensure(ob);
}
const int mask_init_seed = BLI_time_now_seconds();
const SculptMaskWriteInfo mask_write = SCULPT_mask_get_for_write(ss);
threading::parallel_for(nodes.index_range(), 1, [&](const IndexRange range) {
for (const int i : range) {
mask_init_task(ob, mode, mask_init_seed, mask_write, nodes[i]);
}
});
multires_stitch_grids(ob);
undo::push_end(ob);
bke::pbvh::update_mask(*ss->pbvh);
SCULPT_tag_update_overlays(C);
return OPERATOR_FINISHED;
}
void SCULPT_OT_mask_init(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Init Mask";
ot->description = "Creates a new mask for the entire mesh";
ot->idname = "SCULPT_OT_mask_init";
/* api callbacks */
ot->exec = sculpt_mask_init_exec;
ot->poll = SCULPT_mode_poll;
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
static EnumPropertyItem modes[] = {
{SCULPT_MASK_INIT_RANDOM_PER_VERTEX, "RANDOM_PER_VERTEX", 0, "Random per Vertex", ""},
{SCULPT_MASK_INIT_RANDOM_PER_FACE_SET, "RANDOM_PER_FACE_SET", 0, "Random per Face Set", ""},
{SCULPT_MASK_INIT_RANDOM_PER_LOOSE_PART,
"RANDOM_PER_LOOSE_PART",
0,
"Random per Loose Part",
""},
{0, nullptr, 0, nullptr, nullptr},
};
RNA_def_enum(ot->srna, "mode", modes, SCULPT_MASK_INIT_RANDOM_PER_VERTEX, "Mode", "");
}
} // namespace blender::ed::sculpt_paint::mask