Update C# code samples in Getting Started and Tutorials

getting_started/first_2d_game/03.coding_the_player.rst

@@ -36,7 +36,6 @@ Start by declaring the member variables this object will need:
  .. code-tab:: csharp
 
     using Godot;
-    using System;
 
     public partial class Player : Area2D
     {

getting_started/first_2d_game/04.creating_the_enemy.rst

@@ -65,7 +65,9 @@ Add a script to the ``Mob`` like this:
 
  .. code-tab:: csharp
 
-    public class Mob : RigidBody2D
+    using Godot;
+
+    public partial class Mob : RigidBody2D
     {
         // Don't forget to rebuild the project.
     }

getting_started/first_2d_game/06.heads_up_display.rst

@@ -107,7 +107,9 @@ Now add this script to ``HUD``:
 
  .. code-tab:: csharp
 
-    public class HUD : CanvasLayer
+    using Godot;
+
+    public partial class HUD : CanvasLayer
     {
         // Don't forget to rebuild the project so the editor knows about the new signal.
 

getting_started/step_by_step/signals.rst

@@ -208,7 +208,7 @@ Your complete ``Sprite2D.gd`` code should look like the following.
 
     using Godot;
 
-    public class Sprite : Godot.Sprite2D
+    public partial class Sprite : Sprite2D
     {
         private float Speed = 400;
         private float AngularSpeed = Mathf.Pi;
@@ -370,7 +370,7 @@ Here is the complete ``Sprite2D.gd`` file for reference.
 
     using Godot;
 
-    public class Sprite : Godot.Sprite2D
+    public partial class Sprite : Sprite2D
     {
         private float Speed = 400;
         private float AngularSpeed = Mathf.Pi;
@@ -423,7 +423,7 @@ reaches 0.
 
     using Godot;
 
-    public class CustomSignal : Node2D
+    public partial class CustomSignal : Node2D
     {
         [Signal]
         public delegate void HealthDepletedEventHandler();
@@ -477,7 +477,7 @@ names between parentheses:
 
     using Godot;
 
-    public class CustomSignal : Node
+    public partial class CustomSignal : Node
     {
         [Signal]
         public delegate void HealthChangedEventHandler(int oldValue, int newValue);

tutorials/2d/2d_movement.rst

@@ -56,7 +56,6 @@ Add a script to the character body and add the following code:
  .. code-tab:: csharp
 
     using Godot;
-    using System;
 
     public partial class Movement : CharacterBody2D
     {
@@ -123,7 +122,6 @@ while up/down moves it forward or backward in whatever direction it's facing.
  .. code-tab:: csharp
 
     using Godot;
-    using System;
 
     public partial class Movement : CharacterBody2D
     {
@@ -182,7 +180,6 @@ is set by the mouse position instead of the keyboard. The character will always
  .. code-tab:: csharp
 
     using Godot;
-    using System;
 
     public partial class Movement : CharacterBody2D
     {
@@ -246,7 +243,6 @@ on the screen will cause the player to move to the target location.
  .. code-tab:: csharp
 
     using Godot;
-    using System;
 
     public partial class Movement : CharacterBody2D
     {

tutorials/2d/2d_sprite_animation.rst

@@ -88,7 +88,9 @@ released.
 
  .. code-tab:: csharp
 
-    public class Character : CharacterBody2D
+    using Godot;
+
+    public partial class Character : CharacterBody2D
     {
         private AnimatedSprite2D _animatedSprite;
 
@@ -227,7 +229,9 @@ released.
 
  .. code-tab:: csharp
 
-    public class Character : CharacterBody2D
+    using Godot;
+
+    public partial class Character : CharacterBody2D
     {
         private AnimationPlayer _animationPlayer;
 

tutorials/2d/custom_drawing_in_2d.rst

@@ -82,7 +82,9 @@ redrawn if modified:
 
  .. code-tab:: csharp
 
-    public class CustomNode2D : Node2D
+    using Godot;
+
+    public partial class CustomNode2D : Node2D
     {
         private Texture _texture;
         public Texture Texture
@@ -122,7 +124,9 @@ call ``queue_redraw()`` from the ``_process()`` callback, like this:
 
  .. code-tab:: csharp
 
-    public class CustomNode2D : Node2D
+    using Godot;
+
+    public partial class CustomNode2D : Node2D
     {
         public override void _Draw()
         {
@@ -326,7 +330,9 @@ using ``get_node()``.
 
  .. code-tab:: csharp
 
-    public class CustomNode2D : Node2D
+    using Godot;
+
+    public partial class CustomNode2D : Node2D
     {
         private float _rotationAngle = 50;
         private float _angleFrom = 75;

tutorials/best_practices/data_preferences.rst

@@ -248,8 +248,10 @@ tree structures.
 
   .. code-tab:: csharp
 
+    using Godot;
+
     // Can decide whether to expose getters/setters for properties later
-    public class TreeNode : Object
+    public partial class TreeNode : Object
     {
         private TreeNode _parent = null;
 

tutorials/best_practices/godot_interfaces.rst

@@ -481,7 +481,9 @@ accesses:
   .. code-tab:: csharp
 
     // Child.cs
-    public class Child : Node
+    using Godot;
+
+    public partial class Child : Node
     {
         public FuncRef FN = null;
 
@@ -493,7 +495,9 @@ accesses:
     }
 
     // Parent.cs
-    public class Parent : Node
+    using Godot;
+
+    public partial class Parent : Node
     {
         public Node Child;
 

tutorials/best_practices/godot_notifications.rst

@@ -113,7 +113,9 @@ deltatime methods as needed.
 
   .. code-tab:: csharp
 
-    public class MyNode : Node
+    using Godot;
+
+    public partial class MyNode : Node
     {
 
         // Called every frame, even when the engine detects no input.
@@ -171,7 +173,9 @@ instantiation:
 
   .. code-tab:: csharp
 
-    public class MyNode : Node
+    using Godot;
+
+    public partial class MyNode : Node
     {
         private string _test = "one";
 
@@ -255,7 +259,9 @@ nodes that one might create at runtime.
 
   .. code-tab:: csharp
 
-    public class MyNode : Node
+    using Godot;
+
+    public partial class MyNode : Node
     {
         public Node ParentCache = null;
 

tutorials/best_practices/logic_preferences.rst

@@ -83,11 +83,10 @@ either? Let's see an example:
 
   .. code-tab:: csharp
 
-    using System;
     using Godot;
 
     // C# and other languages have no concept of "preloading".
-    public class MyBuildings : Node
+    public partial class MyBuildings : Node
     {
         //This is a read-only field, it can only be assigned when it's declared or during a constructor.
         public readonly PackedScene Building = ResourceLoader.Load<PackedScene>("res://building.tscn");

tutorials/best_practices/scene_organization.rst

@@ -179,7 +179,7 @@ in another context without any extra changes to its API.
       // Parent
       GetNode<Left>("Left").Target = GetNode("Right/Receiver");
 
-      public class Left : Node
+      public partial class Left : Node
       {
           public Node Target = null;
 
@@ -189,7 +189,7 @@ in another context without any extra changes to its API.
           }
       }
 
-      public class Right : Node
+      public partial class Right : Node
       {
           public Node Receiver = null;
 

tutorials/best_practices/scenes_versus_scripts.rst

@@ -23,38 +23,37 @@ But, choosing which one to use can be a dilemma. Creating script instances
 is identical to creating in-engine classes whereas handling scenes requires
 a change in API:
 
-    .. tabs::
-      .. code-tab:: gdscript GDScript
+.. tabs::
+  .. code-tab:: gdscript GDScript
 
-        const MyNode = preload("my_node.gd")
-        const MyScene = preload("my_scene.tscn")
-        var node = Node.new()
-        var my_node = MyNode.new() # Same method call
-        var my_scene = MyScene.instantiate() # Different method call
-        var my_inherited_scene = MyScene.instantiate(PackedScene.GEN_EDIT_STATE_MAIN) # Create scene inheriting from MyScene
+    const MyNode = preload("my_node.gd")
+    const MyScene = preload("my_scene.tscn")
+    var node = Node.new()
+    var my_node = MyNode.new() # Same method call
+    var my_scene = MyScene.instantiate() # Different method call
+    var my_inherited_scene = MyScene.instantiate(PackedScene.GEN_EDIT_STATE_MAIN) # Create scene inheriting from MyScene
 
-      .. code-tab:: csharp
+  .. code-tab:: csharp
 
-        using System;
-        using Godot;
+    using Godot;
 
-        public class Game : Node
+    public partial class Game : Node
+    {
+        public readonly Script MyNodeScr = (Script)ResourceLoader.Load("MyNode.cs");
+        public readonly PackedScene MySceneScn = (PackedScene)ResourceLoader.Load("MyScene.tscn");
+        public Node ANode;
+        public Node MyNode;
+        public Node MyScene;
+        public Node MyInheritedScene;
+
+        public Game()
         {
-            public readonly Script MyNodeScr = (Script)ResourceLoader.Load("MyNode.cs");
-            public readonly PackedScene MySceneScn = (PackedScene)ResourceLoader.Load("MyScene.tscn");
-            public Node ANode;
-            public Node MyNode;
-            public Node MyScene;
-            public Node MyInheritedScene;
-
-            public Game()
-            {
-                ANode = new Node();
-                MyNode = new MyNode(); // Same syntax
-                MyScene = MySceneScn.Instantiate(); // Different. Instantiated from a PackedScene
-                MyInheritedScene = MySceneScn.Instantiate(PackedScene.GenEditState.Main); // Create scene inheriting from MyScene
-            }
+            ANode = new Node();
+            MyNode = new MyNode(); // Same syntax
+            MyScene = MySceneScn.Instantiate(); // Different. Instantiated from a PackedScene
+            MyInheritedScene = MySceneScn.Instantiate(PackedScene.GenEditState.Main); // Create scene inheriting from MyScene
         }
+    }
 
 Also, scripts will operate a little slower than scenes due to the
 speed differences between engine and script code. The larger and more complex
@@ -161,10 +160,9 @@ with it, and finally adds it as a child of the ``Main`` node:
 
   .. code-tab:: csharp
 
-    using System;
     using Godot;
 
-    public class Main : Resource
+    public partial class Main : Resource
     {
         public Node Child { get; set; }
 

tutorials/inputs/input_examples.rst

@@ -86,9 +86,8 @@ attach the following script:
  .. code-tab:: csharp
 
     using Godot;
-    using System;
 
-    public class Node : Godot.Node
+    public partial class Node : Godot.Node
     {
         public override void _Input(InputEvent inputEvent)
         {
@@ -346,9 +345,8 @@ node:
  .. code-tab:: csharp
 
     using Godot;
-    using System;
 
-    public class Node2D : Godot.Node2D
+    public partial class Node2D : Godot.Node2D
     {
         private bool dragging = false;
         private int clickRadius = 32; // Size of the sprite.

tutorials/networking/http_client_class.rst

@@ -124,7 +124,9 @@ It will connect and fetch a website.
 
  .. code-tab:: csharp
 
-    class HTTPTest : SceneTree
+    using Godot;
+
+    public partial class HTTPTest : SceneTree
     {
         // HTTPClient demo.
         // This simple class can make HTTP requests; it will not block, but it needs to be polled.

tutorials/networking/http_request_class.rst

@@ -48,7 +48,9 @@ Below is all the code we need to make it work. The URL points to an online API m
 
     .. code-tab:: csharp
 
-        class HTTPRequestDemo : CanvasLayer
+        using Godot;
+
+        public partial class HTTPRequestDemo : CanvasLayer
         {
             public override void _Ready()
             {

tutorials/performance/using_multimesh.rst

@@ -75,9 +75,8 @@ efficient for millions of objects, but for a few thousands, GDScript should be f
  .. code-tab:: csharp C#
 
     using Godot;
-    using System;
 
-    public class YourClassName : MultiMeshInstance3D
+    public partial class YourClassName : MultiMeshInstance3D
     {
         public override void _Ready()
         {