Fix T94082: Curve to point empty evaluated NURBS crash

This is basically the same as rBee4ed99866fbb7ab04, the fix is
simply to check if the spline has evaluated points when deciding
the offsets into the result points array.

1 files changed, 10 insertions, 3 deletions

diff --git a/source/blender/nodes/geometry/nodes/node_geo_curve_to_points.cc b/source/blender/nodes/geometry/nodes/node_geo_curve_to_points.cc
index 5c12a4bf7bd..2f9dfa8158b 100644
--- a/source/blender/nodes/geometry/nodes/node_geo_curve_to_points.cc
+++ b/source/blender/nodes/geometry/nodes/node_geo_curve_to_points.cc
@@ -94,9 +94,14 @@ static Array<int> calculate_spline_point_offsets(GeoNodeExecParams &params,
         return {0};
       }
       Array<int> offsets(size + 1);
-      for (const int i : offsets.index_range()) {
-        offsets[i] = count * i;
+      int offset = 0;
+      for (const int i : IndexRange(size)) {
+        offsets[i] = offset;
+        if (splines[i]->evaluated_points_size() > 0) {
+          offset += count;
+        }
       }
+      offsets.last() = offset;
       return offsets;
     }
     case GEO_NODE_CURVE_RESAMPLE_LENGTH: {
@@ -106,7 +111,9 @@ static Array<int> calculate_spline_point_offsets(GeoNodeExecParams &params,
       int offset = 0;
       for (const int i : IndexRange(size)) {
         offsets[i] = offset;
-        offset += splines[i]->length() / resolution + 1;
+        if (splines[i]->evaluated_points_size() > 0) {
+          offset += splines[i]->length() / resolution + 1;
+        }
       }
       offsets.last() = offset;
       return offsets;