refactor(srp): move urp shadow and prepass core blocks into renderer

managed/XCEngine.RenderPipelines.Universal/Rendering/Universal/ShadowCasterBlockData.cs

@@ -0,0 +1,30 @@
+using XCEngine;
+using XCEngine.Rendering;
+
+namespace XCEngine.Rendering.Universal
+{
+    public sealed class ShadowCasterBlockData
+    {
+        public bool enabled = true;
+        public RenderPassEvent passEvent =
+            RenderPassEvent.BeforeRenderingShadows;
+        public RendererListDesc rendererListDesc =
+            RendererListDesc.CreateDefault(
+                RendererListType.ShadowCaster);
+        public DrawingSettings drawingSettings =
+            DrawingSettings.CreateDefault();
+
+        public static ShadowCasterBlockData CreateDefault()
+        {
+            return new ShadowCasterBlockData();
+        }
+
+        public static ShadowCasterBlockData CreateDisabled()
+        {
+            return new ShadowCasterBlockData
+            {
+                enabled = false
+            };
+        }
+    }
+}