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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2021 Blender Foundation. All rights reserved. */
/** \file
* \ingroup edsculpt
*/
#include "MEM_guardedalloc.h"
#include "BLI_blenlib.h"
#include "BLI_hash.h"
#include "BLI_math.h"
#include "BLI_task.h"
#include "BLT_translation.h"
#include "PIL_time.h"
#include "DNA_brush_types.h"
#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_object_types.h"
#include "BKE_brush.h"
#include "BKE_ccg.h"
#include "BKE_context.h"
#include "BKE_mesh.h"
#include "BKE_multires.h"
#include "BKE_node.h"
#include "BKE_object.h"
#include "BKE_paint.h"
#include "BKE_pbvh.h"
#include "DEG_depsgraph.h"
#include "WM_api.h"
#include "WM_types.h"
#include "RNA_access.h"
#include "RNA_define.h"
#include "ED_sculpt.h"
#include "paint_intern.h"
#include "sculpt_intern.h"
#include "bmesh.h"
#include <math.h>
#include <stdlib.h>
/* Mask Init operator. */
/* Initializes mask values for the entire mesh depending on the mode. */
typedef enum eSculptMaskInitMode {
SCULPT_MASK_INIT_RANDOM_PER_VERTEX,
SCULPT_MASK_INIT_RANDOM_PER_FACE_SET,
SCULPT_MASK_INIT_RANDOM_PER_LOOSE_PART,
} eSculptMaskInitMode;
static EnumPropertyItem prop_sculpt_mask_init_mode_types[] = {
{
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, NULL, 0, NULL, NULL},
};
static void mask_init_task_cb(void *__restrict userdata,
const int i,
const TaskParallelTLS *__restrict UNUSED(tls))
{
SculptThreadedTaskData *data = userdata;
SculptSession *ss = data->ob->sculpt;
PBVHNode *node = data->nodes[i];
PBVHVertexIter vd;
const int mode = data->mask_init_mode;
const int seed = data->mask_init_seed;
SCULPT_undo_push_node(data->ob, node, SCULPT_UNDO_MASK);
BKE_pbvh_vertex_iter_begin (ss->pbvh, node, vd, PBVH_ITER_UNIQUE) {
switch (mode) {
case SCULPT_MASK_INIT_RANDOM_PER_VERTEX:
*vd.mask = BLI_hash_int_01(vd.index + seed);
break;
case SCULPT_MASK_INIT_RANDOM_PER_FACE_SET: {
const int face_set = SCULPT_vertex_face_set_get(ss, vd.vertex);
*vd.mask = BLI_hash_int_01(face_set + seed);
break;
}
case SCULPT_MASK_INIT_RANDOM_PER_LOOSE_PART:
*vd.mask = BLI_hash_int_01(ss->vertex_info.connected_component[vd.index] + seed);
break;
}
}
BKE_pbvh_vertex_iter_end;
BKE_pbvh_node_mark_update_mask(data->nodes[i]);
}
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 int mode = RNA_enum_get(op->ptr, "mode");
BKE_sculpt_update_object_for_edit(depsgraph, ob, true, true, false);
PBVH *pbvh = ob->sculpt->pbvh;
PBVHNode **nodes;
int totnode;
BKE_pbvh_search_gather(pbvh, NULL, NULL, &nodes, &totnode);
if (totnode == 0) {
return OPERATOR_CANCELLED;
}
SCULPT_undo_push_begin(ob, "init mask");
if (mode == SCULPT_MASK_INIT_RANDOM_PER_LOOSE_PART) {
SCULPT_connected_components_ensure(ob);
}
SculptThreadedTaskData data = {
.ob = ob,
.nodes = nodes,
.mask_init_mode = mode,
.mask_init_seed = PIL_check_seconds_timer(),
};
TaskParallelSettings settings;
BKE_pbvh_parallel_range_settings(&settings, true, totnode);
BLI_task_parallel_range(0, totnode, &data, mask_init_task_cb, &settings);
multires_stitch_grids(ob);
SCULPT_undo_push_end(ob);
BKE_pbvh_update_vertex_data(ss->pbvh, PBVH_UpdateMask);
MEM_SAFE_FREE(nodes);
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;
RNA_def_enum(ot->srna,
"mode",
prop_sculpt_mask_init_mode_types,
SCULPT_MASK_INIT_RANDOM_PER_VERTEX,
"Mode",
"");
}
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