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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2001-2002 NaN Holding BV. All rights reserved. */
/** \file
* \ingroup edtransform
*
* Instead of transforming the selection, move the 2D/3D cursor.
*/
#include "DNA_space_types.h"
#include "MEM_guardedalloc.h"
#include "BLI_math.h"
#include "BKE_context.h"
#include "BKE_report.h"
#include "BKE_scene.h"
#include "transform.h"
#include "transform_convert.h"
/* -------------------------------------------------------------------- */
/** \name Shared 2D Cursor Utilities
* \{ */
static void createTransCursor_2D_impl(TransInfo *t, float cursor_location[2])
{
TransData *td;
TransData2D *td2d;
{
BLI_assert(t->data_container_len == 1);
TransDataContainer *tc = t->data_container;
tc->data_len = 1;
td = tc->data = MEM_callocN(sizeof(TransData), "TransTexspace");
td2d = tc->data_2d = MEM_callocN(tc->data_len * sizeof(TransData2D), "TransObData2D(Cursor)");
td->ext = tc->data_ext = MEM_callocN(sizeof(TransDataExtension), "TransCursorExt");
}
td->flag = TD_SELECTED;
td2d->loc2d = cursor_location;
/* UV coords are scaled by aspects (see #UVsToTransData). This also applies for the Cursor in the
* UV Editor which also means that for display and when the cursor coords are flushed
* (recalcData_cursor_image), these are converted each time. */
td2d->loc[0] = cursor_location[0] * t->aspect[0];
td2d->loc[1] = cursor_location[1] * t->aspect[1];
td2d->loc[2] = 0.0f;
copy_v3_v3(td->center, td2d->loc);
td->ob = NULL;
unit_m3(td->mtx);
unit_m3(td->axismtx);
pseudoinverse_m3_m3(td->smtx, td->mtx, PSEUDOINVERSE_EPSILON);
td->loc = td2d->loc;
copy_v3_v3(td->iloc, td2d->loc);
}
static void recalcData_cursor_2D_impl(TransInfo *t)
{
TransDataContainer *tc = t->data_container;
TransData *td = tc->data;
TransData2D *td2d = tc->data_2d;
float aspect_inv[2];
aspect_inv[0] = 1.0f / t->aspect[0];
aspect_inv[1] = 1.0f / t->aspect[1];
td2d->loc2d[0] = td->loc[0] * aspect_inv[0];
td2d->loc2d[1] = td->loc[1] * aspect_inv[1];
DEG_id_tag_update(&t->scene->id, ID_RECALC_COPY_ON_WRITE);
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Image Cursor
* \{ */
void createTransCursor_image(TransInfo *t)
{
SpaceImage *sima = t->area->spacedata.first;
createTransCursor_2D_impl(t, sima->cursor);
}
void recalcData_cursor_image(TransInfo *t)
{
recalcData_cursor_2D_impl(t);
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Sequencer Cursor
* \{ */
void createTransCursor_sequencer(TransInfo *t)
{
SpaceSeq *sseq = t->area->spacedata.first;
if (sseq->mainb != SEQ_DRAW_IMG_IMBUF) {
return;
}
createTransCursor_2D_impl(t, sseq->cursor);
}
void recalcData_cursor_sequencer(TransInfo *t)
{
recalcData_cursor_2D_impl(t);
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name View 3D Cursor
* \{ */
void createTransCursor_view3d(TransInfo *t)
{
TransData *td;
Scene *scene = t->scene;
if (ID_IS_LINKED(scene)) {
BKE_report(t->reports, RPT_ERROR, "Linked data can't text-space transform");
return;
}
View3DCursor *cursor = &scene->cursor;
{
BLI_assert(t->data_container_len == 1);
TransDataContainer *tc = t->data_container;
tc->data_len = 1;
td = tc->data = MEM_callocN(sizeof(TransData), "TransTexspace");
td->ext = tc->data_ext = MEM_callocN(sizeof(TransDataExtension), "TransTexspace");
}
td->flag = TD_SELECTED;
copy_v3_v3(td->center, cursor->location);
td->ob = NULL;
unit_m3(td->mtx);
BKE_scene_cursor_rot_to_mat3(cursor, td->axismtx);
normalize_m3(td->axismtx);
pseudoinverse_m3_m3(td->smtx, td->mtx, PSEUDOINVERSE_EPSILON);
td->loc = cursor->location;
copy_v3_v3(td->iloc, cursor->location);
if (cursor->rotation_mode > 0) {
td->ext->rot = cursor->rotation_euler;
td->ext->rotAxis = NULL;
td->ext->rotAngle = NULL;
td->ext->quat = NULL;
copy_v3_v3(td->ext->irot, cursor->rotation_euler);
}
else if (cursor->rotation_mode == ROT_MODE_AXISANGLE) {
td->ext->rot = NULL;
td->ext->rotAxis = cursor->rotation_axis;
td->ext->rotAngle = &cursor->rotation_angle;
td->ext->quat = NULL;
td->ext->irotAngle = cursor->rotation_angle;
copy_v3_v3(td->ext->irotAxis, cursor->rotation_axis);
}
else {
td->ext->rot = NULL;
td->ext->rotAxis = NULL;
td->ext->rotAngle = NULL;
td->ext->quat = cursor->rotation_quaternion;
copy_qt_qt(td->ext->iquat, cursor->rotation_quaternion);
}
td->ext->rotOrder = cursor->rotation_mode;
}
void recalcData_cursor_view3d(TransInfo *t)
{
DEG_id_tag_update(&t->scene->id, ID_RECALC_COPY_ON_WRITE);
}
/** \} */
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