transform_mode_tilt.cc

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/* SPDX-FileCopyrightText: 2001-2002 NaN Holding BV. All rights reserved.
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */

 
#include <cstdlib>
 
#include "BLI_math_rotation.h"
#include "BLI_math_vector.h"
#include "BLI_string_utf8.h"
 
#include "BKE_unit.hh"
 
#include "ED_screen.hh"
 
#include "UI_interface.hh"
 
#include "BLT_translation.hh"
 
#include "transform.hh"
#include "transform_convert.hh"
#include "transform_snap.hh"
 
#include "transform_mode.hh"
 
namespace blender::ed::transform {
 
/* -------------------------------------------------------------------- */
 
static void applyTilt(TransInfo *t)
{
  int i;
  char str[UI_MAX_DRAW_STR];
 
  float final;
 
  final = t->values[0] + t->values_modal_offset[0];
 
  transform_snap_increment(t, &final);
 
  applyNumInput(&t->num, &final);
 
  t->values_final[0] = final;
 
  if (hasNumInput(&t->num)) {
    char c[NUM_STR_REP_LEN];
 
    outputNumInput(&(t->num), c, t->scene->unit);
 
    SNPRINTF_UTF8(
        str, "%s %s" BLI_STR_UTF8_DEGREE_SIGN " %s", IFACE_("Tilt:"), &c[0], t->proptext);
 
    /* XXX For some reason, this seems needed for this op, else RNA prop is not updated... :/ */
    t->values_final[0] = final;
  }
  else {
    SNPRINTF_UTF8(str,
                  "%s %.2f" BLI_STR_UTF8_DEGREE_SIGN " %s",
                  IFACE_("Tilt:"),
                  RAD2DEGF(final),
                  t->proptext);
  }
 
  FOREACH_TRANS_DATA_CONTAINER (t, tc) {
    TransData *td = tc->data;
    for (i = 0; i < tc->data_len; i++, td++) {
      if (td->flag & TD_SKIP) {
        continue;
      }
 
      if (td->val) {
        *td->val = td->ival + final * td->factor;
      }
    }
  }
 
  recalc_data(t);
 
  ED_area_status_text(t->area, str);
}
 
static void initTilt(TransInfo *t, wmOperator * /*op*/)
{
  t->mode = TFM_TILT;
 
  initMouseInputMode(t, &t->mouse, INPUT_ANGLE);
 
  t->idx_max = 0;
  t->num.idx_max = 0;
  initSnapAngleIncrements(t);
 
  copy_v3_fl(t->num.val_inc, t->increment[0] * t->increment_precision);
  t->num.unit_sys = t->scene->unit.system;
  t->num.unit_use_radians = (t->scene->unit.system_rotation == USER_UNIT_ROT_RADIANS);
  t->num.unit_type[0] = B_UNIT_ROTATION;
}

 
TransModeInfo TransMode_tilt = {
    /*flags*/ T_NO_CONSTRAINT | T_NO_PROJECT,
    /*init_fn*/ initTilt,
    /*transform_fn*/ applyTilt,
    /*transform_matrix_fn*/ nullptr,
    /*handle_event_fn*/ nullptr,
    /*snap_distance_fn*/ nullptr,
    /*snap_apply_fn*/ nullptr,
    /*draw_fn*/ nullptr,
};
 
}  // namespace blender::ed::transform