新增动态水物理插件

Packages/com.nwh.dynamicwaterphysics/Runtime/AssetSpecific/InitializationMethodsDWP2.cs

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+// ╔════════════════════════════════════════════════════════════════╗
+// ║    Copyright © 2025 NWH Coding d.o.o.  All rights reserved.    ║
+// ║    Licensed under Unity Asset Store Terms of Service:          ║
+// ║        https://unity.com/legal/as-terms                        ║
+// ║    Use permitted only in compliance with the License.          ║
+// ║    Distributed "AS IS", without warranty of any kind.          ║
+// ╚════════════════════════════════════════════════════════════════╝
+
+#if UNITY_EDITOR
+
+#region
+
+using NWH.Common.AssetInfo;
+using UnityEditor;
+
+#endregion
+
+namespace NWH.DWP2
+{
+    /// <summary>
+    /// Editor initialization for Dynamic Water Physics 2 package.
+    /// Automatically adds scripting defines and displays welcome window on first import.
+    /// </summary>
+    public class InitializationMethodsDWP2 : CommonInitializationMethods
+    {
+        /// <summary>
+        /// Adds NWH_DWP2 scripting define symbol on editor load.
+        /// </summary>
+        [InitializeOnLoadMethod]
+        private static void AddDWP2Defines()
+        {
+            AddDefines("NWH_DWP2");
+        }
+
+
+        /// <summary>
+        /// Shows welcome window for Dynamic Water Physics 2 on first import or version update.
+        /// </summary>
+        [InitializeOnLoadMethod]
+        private static void ShowDWP2WelcomeWindow()
+        {
+            ShowWelcomeWindow("Dynamic Water Physics 2");
+        }
+    }
+}
+#endif