Generated new code and added initial data handling

BlendFile/DNA/SBVertex.cs

@@ -17,6 +17,9 @@ namespace BlendFile.DNA {
     public struct SBVertex {
         [DNAFieldAttribute(0, "float", "vec[4]", 4)]
         public float[] vec = new System.Single[4];
+        public SBVertex() {
+            this.vec = default;
+        }
         public SBVertex(float[] vec) {
             this.vec = vec;
         }