minimal creation func for arbn

arbn's need atleast 1 eqn to be valid
BRL-CAD · Aug 10, 2023 · 3a68f72 · 3a68f72
1 parent 1bc71b7
commit 3a68f72
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Showing 2 changed files with 20 additions and 1 deletion.
diff --git a/src/librt/primitives/arbn/arbn.c b/src/librt/primitives/arbn/arbn.c
@@ -1304,6 +1304,25 @@ rt_arbn_adjust(struct bu_vls *logstr, struct rt_db_internal *intern, int argc, c
  return BRLCAD_OK;
 }
 
+void
+rt_arbn_make(const struct rt_functab *ftp, struct rt_db_internal *intern)
+{
+ struct rt_arbn_internal *aip;
+
+ intern->idb_type = ID_ARBN;
+ intern->idb_major_type = DB5_MAJORTYPE_BRLCAD;
+
+ BU_ASSERT(&OBJ[intern->idb_type] == ftp);
+ intern->idb_meth = ftp;
+
+ BU_ALLOC(aip, struct rt_arbn_internal);
+ intern->idb_ptr = (void *)aip;
+
+ aip->magic = RT_ARBN_INTERNAL_MAGIC;
+ aip->neqn = 1;
+ aip->eqn = (plane_t *)bu_calloc(aip->neqn, sizeof(plane_t), "arbn plane");
+}
+
 
 int
 rt_arbn_params(struct pc_pc_set *UNUSED(ps), const struct rt_db_internal *ip)

diff --git a/src/librt/primitives/table.cpp b/src/librt/primitives/table.cpp
@@ -854,7 +854,7 @@ const struct rt_functab OBJ[] = {
  RTFUNCTAB_FUNC_GET_CAST(rt_arbn_get),
  RTFUNCTAB_FUNC_ADJUST_CAST(rt_arbn_adjust),
  RTFUNCTAB_FUNC_FORM_CAST(rt_generic_form),
- NULL, /* make */
+ RTFUNCTAB_FUNC_MAKE_CAST(rt_arbn_make),
  RTFUNCTAB_FUNC_PARAMS_CAST(rt_arbn_params),
  RTFUNCTAB_FUNC_BBOX_CAST(rt_arbn_bbox),
  RTFUNCTAB_FUNC_VOLUME_CAST(rt_arbn_volume),