Transform: Refactor texture space 'transform_convert' data

The changes are:
- Split conversion of the texture space data to its own file.
- Skip adding keyframes with AutoKeyframes.
- Skip recalculation of the trasform dependencies between objects.
- Skip `special_aftertrans_update_...`.

No real user functional changes

1 files changed, 126 insertions, 0 deletions

diff --git a/source/blender/editors/transform/transform_convert_object_texspace.c b/source/blender/editors/transform/transform_convert_object_texspace.c
new file mode 100644
index 00000000000..195eb941b3b
--- /dev/null
+++ b/source/blender/editors/transform/transform_convert_object_texspace.c
@@ -0,0 +1,126 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ */
+
+/** \file
+ * \ingroup edtransform
+ */
+
+#include "MEM_guardedalloc.h"
+
+#include "BLI_math.h"
+
+#include "BKE_animsys.h"
+#include "BKE_context.h"
+#include "BKE_object.h"
+#include "BKE_report.h"
+
+#include "DNA_mesh_types.h"
+
+#include "transform.h"
+#include "transform_snap.h"
+
+/* Own include. */
+#include "transform_convert.h"
+
+/* -------------------------------------------------------------------- */
+/** \name Texture Space Transform Creation
+ *
+ * Instead of transforming the selection, move the 2D/3D cursor.
+ *
+ * \{ */
+
+void createTransTexspace(TransInfo *t)
+{
+  ViewLayer *view_layer = t->view_layer;
+  TransData *td;
+  Object *ob;
+  ID *id;
+  short *texflag;
+
+  ob = OBACT(view_layer);
+
+  if (ob == NULL) { /* Shouldn't logically happen, but still. */
+    return;
+  }
+
+  id = ob->data;
+  if (id == NULL || !ELEM(GS(id->name), ID_ME, ID_CU, ID_MB)) {
+    BKE_report(t->reports, RPT_ERROR, "Unsupported object type for text-space transform");
+    return;
+  }
+
+  if (BKE_object_obdata_is_libdata(ob)) {
+    BKE_report(t->reports, RPT_ERROR, "Linked data can't text-space transform");
+    return;
+  }
+
+  {
+    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, ob->obmat[3]);
+  td->ob = ob;
+
+  copy_m3_m4(td->mtx, ob->obmat);
+  copy_m3_m4(td->axismtx, ob->obmat);
+  normalize_m3(td->axismtx);
+  pseudoinverse_m3_m3(td->smtx, td->mtx, PSEUDOINVERSE_EPSILON);
+
+  if (BKE_object_obdata_texspace_get(ob, &texflag, &td->loc, &td->ext->size)) {
+    ob->dtx |= OB_TEXSPACE;
+    *texflag &= ~ME_AUTOSPACE;
+  }
+
+  copy_v3_v3(td->iloc, td->loc);
+  copy_v3_v3(td->ext->isize, td->ext->size);
+}
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name Recalc Data object
+ *
+ * \{ */
+
+/* helper for recalcData() - for object transforms, typically in the 3D view */
+void recalcData_texspace(TransInfo *t)
+{
+
+  if (t->state != TRANS_CANCEL) {
+    applyProject(t);
+  }
+
+  FOREACH_TRANS_DATA_CONTAINER (t, tc) {
+    TransData *td = tc->data;
+
+    for (int i = 0; i < tc->data_len; i++, td++) {
+      if (td->flag & TD_SKIP) {
+        continue;
+      }
+      DEG_id_tag_update(&td->ob->id, ID_RECALC_GEOMETRY);
+    }
+  }
+}
+
+/** \} */