1 files changed, 54 insertions, 1 deletions

diff --git a/source/blender/editors/transform/transform_convert_node.cc b/source/blender/editors/transform/transform_convert_node.cc
index eb5eb822d69..0b5dc73a051 100644
--- a/source/blender/editors/transform/transform_convert_node.cc
+++ b/source/blender/editors/transform/transform_convert_node.cc
@@ -16,6 +16,7 @@
 #include "BKE_context.h"
 #include "BKE_node.h"
 #include "BKE_node_tree_update.h"
+#include "BKE_object.h"
 #include "BKE_report.h"
 
 #include "ED_node.h"
@@ -155,9 +156,61 @@ static void createTransNodeData(bContext * /*C*/, TransInfo *t)
 /** \} */
 
 /* -------------------------------------------------------------------- */
-/** \name Node Transform Creation
+/** \name Flush Transform Nodes
  * \{ */
 
+static void applyGridAbsolute(TransInfo *t)
+{
+  int i;
+
+  if (!(activeSnap(t) && (t->tsnap.mode & (SCE_SNAP_MODE_INCREMENT | SCE_SNAP_MODE_GRID)))) {
+    return;
+  }
+
+  float grid_size[3];
+  copy_v3_v3(grid_size, t->snap_spatial);
+  if (t->modifiers & MOD_PRECISION) {
+    mul_v3_fl(grid_size, t->snap_spatial_precision);
+  }
+
+  /* Early exit on unusable grid size. */
+  if (is_zero_v3(grid_size)) {
+    return;
+  }
+
+  FOREACH_TRANS_DATA_CONTAINER (t, tc) {
+    TransData *td;
+
+    for (i = 0, td = tc->data; i < tc->data_len; i++, td++) {
+      float iloc[3], loc[3], tvec[3];
+      if (td->flag & TD_SKIP) {
+        continue;
+      }
+
+      if ((t->flag & T_PROP_EDIT) && (td->factor == 0.0f)) {
+        continue;
+      }
+
+      copy_v3_v3(iloc, td->loc);
+      if (tc->use_local_mat) {
+        mul_m4_v3(tc->mat, iloc);
+      }
+      else if (t->options & CTX_OBJECT) {
+        BKE_object_eval_transform_all(t->depsgraph, t->scene, td->ob);
+        copy_v3_v3(iloc, td->ob->obmat[3]);
+      }
+
+      loc[0] = roundf(iloc[0] / grid_size[0]) * grid_size[0];
+      loc[1] = roundf(iloc[1] / grid_size[1]) * grid_size[1];
+      loc[2] = grid_size[2] ? roundf(iloc[2] / grid_size[2]) * grid_size[2] : iloc[2];
+
+      sub_v3_v3v3(tvec, loc, iloc);
+      mul_m3_v3(td->smtx, tvec);
+      add_v3_v3(td->loc, tvec);
+    }
+  }
+}
+
 static void flushTransNodes(TransInfo *t)
 {
   using namespace blender::ed;