initial commit

Library/PackageCache/com.unity.shadergraph@8148.12.1-8/Editor/Data/Graphs/GraphDataReadOnly.cs

@@ -0,0 +1,26 @@
+using System.Linq;
+using UnityEditor.Graphing;
+
+namespace UnityEditor.ShaderGraph
+{
+    readonly struct GraphDataReadOnly
+    {
+        private readonly GraphData m_Graph;
+
+        public GraphDataReadOnly(GraphData graph)
+        {
+            m_Graph = graph;
+        }
+
+        private bool AnyConnectedControl<T>() where T : IControl
+        {
+            var matchingNodes = m_Graph.GetNodes<BlockNode>().Where(o => o.descriptor.control is T);
+            return matchingNodes.SelectMany(o => o.GetInputSlots<MaterialSlot>()).Any(o => o.isConnected);
+        }
+
+        public bool AnyVertexAnimationActive()
+        {
+            return AnyConnectedControl<PositionControl>();
+        }
+    }
+}