refactor(godot): 重构Godot相关扩展并迁移至新项目结构

- 将NodeExtensions和UnRegisterExtension迁移至GFramework.Core.Godot项目
- 更新命名空间以匹配新的项目结构
- 为扩展方法参数添加可空注解以提高安全性
- 移除旧的条件编译指令#if GODOT和#endif
- 创建新的GFramework.Core.Godot.csproj项目文件
- 在解决方案中注册新的GFramework.Core.Godot项目
- 更新主项目文件以排除新项目中的文件冲突
- 添加GodotSharpEditor包引用以支持Godot编辑器功能
- 链接新项目的扩展文件到原有路径以保持兼容性

GFramework.Core.Godot/GFramework.Core.Godot.csproj

@@ -0,0 +1,18 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <Product>GeWuYou.GFramework.Core.Godot</Product>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+        <TargetFrameworks>net9.0;net8.0</TargetFrameworks>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <PackageReference Include="GodotSharpEditor" Version="4.5.1" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\GFramework.Core\GFramework.Core.csproj" />
+    </ItemGroup>
+
+</Project>

GFramework.Core.Godot/godot/extensions/NodeExtensions.cs

@@ -1,7 +1,5 @@
-#if GODOT
-using System.Threading.Tasks;
-using Godot;
-namespace GFramework.framework.godot;
+using Godot;
+namespace GFramework.Core.Godot.godot.extensions;
 
 /// <summary>
 /// 节点扩展方法类，提供对Godot节点的扩展功能
@@ -12,7 +10,7 @@ public static class NodeExtensions
     /// 安全地将节点加入删除队列，在下一帧开始时释放节点资源
     /// </summary>
     /// <param name="node">要释放的节点实例</param>
-    public static void QueueFreeX(this Node node)
+    public static void QueueFreeX(this Node? node)
     {
         // 检查节点是否为空
         if (node is null)
@@ -40,7 +38,7 @@ public static class NodeExtensions
     /// 立即释放节点资源，不等待下一帧
     /// </summary>
     /// <param name="node">要立即释放的节点实例</param>
-    public static void FreeX(this Node node)
+    public static void FreeX(this Node? node)
     {
         // 检查节点是否为空
         if (node is null)
@@ -82,7 +80,7 @@ public static class NodeExtensions
     /// 2. Godot 实例仍然存在（未被释放）
     /// 3. 已经加入 SceneTree
     /// </summary>
-    public static bool IsValidNode(this Node node)
+    public static bool IsValidNode(this Node? node)
     {
         return node is not null &&
                GodotObject.IsInstanceValid(node) &&
@@ -97,11 +95,10 @@ public static class NodeExtensions
     /// 
     /// 返回 true 表示该节点不可用。
     /// </summary>
-    public static bool IsInvalidNode(this Node node)
+    public static bool IsInvalidNode(this Node? node)
     {
         return node is null ||
                !GodotObject.IsInstanceValid(node) ||
                !node.IsInsideTree();
     }
-}
-#endif
+}

GFramework.Core.Godot/godot/extensions/UnRegisterExtension.cs

@@ -1,8 +1,7 @@
-#if GODOT
+using GFramework.Core.events;
 using Godot;
-using GWFramework.framework.events;
 
-namespace GWFramework.framework.extensions;
+namespace GFramework.Core.Godot.godot.extensions;
 
 /// <summary>
 /// 提供取消注册扩展方法的静态类
@@ -21,6 +20,4 @@ public static class UnRegisterExtension
         node.TreeExiting += unRegister.UnRegister;
         return unRegister;
     }
-}
-
-#endif
+}

GFramework.csproj

@@ -38,6 +38,18 @@
         <EmbeddedResource Remove="GFramework.Generator\**" />
         <EmbeddedResource Remove="GFramework.Generator.Attributes\**" />
         <EmbeddedResource Remove="GFramework.Core\**" />
+        <Compile Remove="GFramework.Godot\**" />
+        <EmbeddedResource Remove="GFramework.Godot\**" />
+        <None Remove="GFramework.Godot\**" />
+        <Compile Update="GFramework.Core.Godot\godot\extensions\NodeExtensions.cs">
+          <Link>GFramework.Godot\godot\extensions\NodeExtensions.cs</Link>
+        </Compile>
+        <Compile Update="GFramework.Core.Godot\godot\extensions\UnRegisterExtension.cs">
+          <Link>GFramework.Godot\godot\extensions\UnRegisterExtension.cs</Link>
+        </Compile>
+        <Compile Remove="GFramework.Core.Godot\**" />
+        <EmbeddedResource Remove="GFramework.Core.Godot\**" />
+        <None Remove="GFramework.Core.Godot\**" />
     </ItemGroup>
 
     <!-- 作为 Analyzer 引入本地 SourceGenerator -->

GFramework.sln

@@ -8,6 +8,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GFramework.Generator.Attrib
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GFramework.Core", "GFramework.Core\GFramework.Core.csproj", "{A6D5854D-79EA-487A-9ED9-396E6A1F8031}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GFramework.Core.Godot", "GFramework.Core.Godot\GFramework.Core.Godot.csproj", "{FC56D81A-3A3B-4B49-B318-363DFA0D8206}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -30,5 +32,9 @@ Global
 		{A6D5854D-79EA-487A-9ED9-396E6A1F8031}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{A6D5854D-79EA-487A-9ED9-396E6A1F8031}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{A6D5854D-79EA-487A-9ED9-396E6A1F8031}.Release|Any CPU.Build.0 = Release|Any CPU
+		{FC56D81A-3A3B-4B49-B318-363DFA0D8206}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{FC56D81A-3A3B-4B49-B318-363DFA0D8206}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{FC56D81A-3A3B-4B49-B318-363DFA0D8206}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{FC56D81A-3A3B-4B49-B318-363DFA0D8206}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal