feat(rendering): add managed SRP renderer runtime

managed/XCEngine.ScriptCore/ShadowData.cs

@@ -0,0 +1,22 @@
+namespace XCEngine
+{
+    public sealed class ShadowData
+    {
+        internal static readonly ShadowData Default =
+            new ShadowData(
+                DirectionalShadowData.Default);
+
+        internal ShadowData(
+            DirectionalShadowData mainDirectionalShadow)
+        {
+            this.mainDirectionalShadow =
+                mainDirectionalShadow ??
+                DirectionalShadowData.Default;
+        }
+
+        public DirectionalShadowData mainDirectionalShadow { get; }
+
+        public bool hasMainDirectionalShadow =>
+            mainDirectionalShadow.enabled;
+    }
+}