升级XR插件版本

Packages/MCPForUnity/Editor/Tools/Vfx/VfxGraphControl.cs

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+using Newtonsoft.Json.Linq;
+using UnityEditor;
+
+#if UNITY_VFX_GRAPH
+using UnityEngine.VFX;
+#endif
+
+namespace MCPForUnity.Editor.Tools.Vfx
+{
+    /// <summary>
+    /// Playback control operations for VFX Graph (VisualEffect component).
+    /// Requires com.unity.visualeffectgraph package and UNITY_VFX_GRAPH symbol.
+    /// </summary>
+    internal static class VfxGraphControl
+    {
+#if !UNITY_VFX_GRAPH
+        public static object Control(JObject @params, string action)
+        {
+            return new { success = false, message = "VFX Graph package (com.unity.visualeffectgraph) not installed" };
+        }
+
+        public static object SetPlaybackSpeed(JObject @params)
+        {
+            return new { success = false, message = "VFX Graph package (com.unity.visualeffectgraph) not installed" };
+        }
+
+        public static object SetSeed(JObject @params)
+        {
+            return new { success = false, message = "VFX Graph package (com.unity.visualeffectgraph) not installed" };
+        }
+#else
+        public static object Control(JObject @params, string action)
+        {
+            VisualEffect vfx = VfxGraphCommon.FindVisualEffect(@params);
+            if (vfx == null)
+            {
+                return new { success = false, message = "VisualEffect not found" };
+            }
+
+            switch (action)
+            {
+                case "play": vfx.Play(); break;
+                case "stop": vfx.Stop(); break;
+                case "pause": vfx.pause = !vfx.pause; break;
+                case "reinit": vfx.Reinit(); break;
+                default:
+                    return new { success = false, message = $"Unknown VFX action: {action}" };
+            }
+
+            return new { success = true, message = $"VFX {action}", isPaused = vfx.pause };
+        }
+
+        public static object SetPlaybackSpeed(JObject @params)
+        {
+            VisualEffect vfx = VfxGraphCommon.FindVisualEffect(@params);
+            if (vfx == null)
+            {
+                return new { success = false, message = "VisualEffect not found" };
+            }
+
+            float rate = @params["playRate"]?.ToObject<float>() ?? 1f;
+            Undo.RecordObject(vfx, "Set VFX Play Rate");
+            vfx.playRate = rate;
+            EditorUtility.SetDirty(vfx);
+
+            return new { success = true, message = $"Set play rate = {rate}" };
+        }
+
+        public static object SetSeed(JObject @params)
+        {
+            VisualEffect vfx = VfxGraphCommon.FindVisualEffect(@params);
+            if (vfx == null)
+            {
+                return new { success = false, message = "VisualEffect not found" };
+            }
+
+            uint seed = @params["seed"]?.ToObject<uint>() ?? 0;
+            bool resetOnPlay = @params["resetSeedOnPlay"]?.ToObject<bool>() ?? true;
+
+            Undo.RecordObject(vfx, "Set VFX Seed");
+            vfx.startSeed = seed;
+            vfx.resetSeedOnPlay = resetOnPlay;
+            EditorUtility.SetDirty(vfx);
+
+            return new { success = true, message = $"Set seed = {seed}" };
+        }
+#endif
+    }
+}