geometry_randomization.cc

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/* SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#include "WM_api.hh"
 
#include "BKE_context.hh"
#include "BKE_global.hh"
#include "BKE_main.hh"
 
#include "DEG_depsgraph.hh"
 
#include "RNA_access.hh"
#include "RNA_define.hh"
 
#include "geometry_intern.hh"
 
namespace blender::ed::geometry {
 
static int geometry_randomization_invoke(bContext *C, wmOperator *op, const wmEvent *event)
{
  RNA_boolean_set(op->ptr, "value", G.randomize_geometry_element_order);
  return WM_operator_props_popup(C, op, event);
}
 
static int geometry_randomization_exec(bContext *C, wmOperator *op)
{
  Main *bmain = CTX_data_main(C);
 
  G.randomize_geometry_element_order = RNA_boolean_get(op->ptr, "value");
 
  LISTBASE_FOREACH (Object *, object, &bmain->objects) {
    DEG_id_tag_update(&object->id, ID_RECALC_GEOMETRY);
  }
  WM_event_add_notifier(C, NC_WINDOW, nullptr);
  return OPERATOR_FINISHED;
}
 
void GEOMETRY_OT_geometry_randomization(wmOperatorType *ot)
{
  ot->name = "Set Geometry Randomization";
  ot->idname = "GEOMETRY_OT_geometry_randomization";
  ot->description = "Toggle geometry randomization for debugging purposes";
 
  ot->exec = geometry_randomization_exec;
  ot->invoke = geometry_randomization_invoke;
  ot->flag |= OPTYPE_UNDO | OPTYPE_REGISTER;
 
  RNA_def_boolean(ot->srna,
                  "value",
                  false,
                  "Value",
                  "Randomize the order of geometry elements (e.g. vertices or edges) after some "
                  "operations where there are no guarantees about the order. This avoids "
                  "accidentally depending on something that may change in the future");
}
 
}  // namespace blender::ed::geometry