Fix T99677: crash when convex hull node is used on empty mesh
Fundamental issue is that the attribute api returns none, because the custom data api returns null for a layer when the size of 0. This should be improved separately.
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blender-bot
2023-02-14 10:21:15 +01:00
Referenced by issue #99677, Regression: Crash on when Convex Hull node is used on an empty mesh
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@ -183,8 +183,10 @@ static Mesh *compute_hull(const GeometrySet &geometry_set)
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const MeshComponent *component = geometry_set.get_component_for_read<MeshComponent>();
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const VArray<float3> varray = component->attributes()->lookup<float3>("position",
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ATTR_DOMAIN_POINT);
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varray.materialize(positions.as_mutable_span().slice(offset, varray.size()));
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offset += varray.size();
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if (varray) {
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varray.materialize(positions.as_mutable_span().slice(offset, varray.size()));
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offset += varray.size();
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}
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}
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if (geometry_set.has_pointcloud()) {
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@ -192,8 +194,10 @@ static Mesh *compute_hull(const GeometrySet &geometry_set)
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geometry_set.get_component_for_read<PointCloudComponent>();
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const VArray<float3> varray = component->attributes()->lookup<float3>("position",
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ATTR_DOMAIN_POINT);
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varray.materialize(positions.as_mutable_span().slice(offset, varray.size()));
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offset += varray.size();
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if (varray) {
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varray.materialize(positions.as_mutable_span().slice(offset, varray.size()));
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offset += varray.size();
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}
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}
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if (geometry_set.has_curves()) {
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