✨ Multiplayer Basis

Scripts/Multiplayer.cs

@@ -0,0 +1,71 @@
+using System;
+using Godot;
+
+namespace CodingLand.Scripts;
+
+public partial class Multiplayer : Node
+{
+	[Export] public Node2D Playground;
+	
+	private void GameFreeze()
+	{
+		Playground.Hide();
+		GetTree().Paused = true;
+	}
+
+	private void GameUnfreeze()
+	{
+		Playground.Show();
+		Playground.GetNode<Camera2D>("Camera2D").Enabled = true;
+		GetTree().Paused = false;
+	}
+	
+	public override void _Ready()
+	{
+		GameFreeze();
+		
+		if (DisplayServer.GetName() == "headless")
+		{
+			GD.Print("Starting server in headless mode...");
+			StartAsServer(4343);
+		}
+	}
+
+	public bool StartAsServer(int port)
+	{
+		var peer = new ENetMultiplayerPeer();
+		peer.CreateServer(port);
+		if (peer.GetConnectionStatus() == MultiplayerPeer.ConnectionStatus.Disconnected)
+		{
+			GD.PrintErr("Failed to start multiplayer server...");
+			OS.Alert("Failed to start multiplayer server...");
+			return false;
+		}
+
+		Multiplayer.MultiplayerPeer = peer;
+		GameUnfreeze();
+
+		return true;
+	}
+
+	public bool StartAsClient(string addr, int port)
+	{
+		if (string.IsNullOrEmpty(addr)) return false;
+		
+		var peer = new ENetMultiplayerPeer();
+		peer.CreateClient(addr, port);
+		if (peer.GetConnectionStatus() == MultiplayerPeer.ConnectionStatus.Disconnected)
+		{
+			var info = $"Unable to connect multiplayer server {addr}:{port}";
+			GD.PrintErr(info);
+			OS.Alert(info);
+			return false;
+		}
+
+		Multiplayer.MultiplayerPeer = peer;
+		GameUnfreeze();
+		
+		return true;
+	}
+
+}

Scripts/Player.cs

@@ -1,3 +1,4 @@
+using System;
 using Godot;
 
 namespace CodingLand.Scripts;
@@ -12,6 +13,9 @@ public partial class Player : CharacterBody2D
 	[Export] public float CameraSmoothness = 0.05f;
 	
 	[Export] public Camera2D PlayerCamera;
+	
+	[Export] public Timer PlayerDashCountdown;
+	[Export] public float PlayerDashAcceleration = 2f;
 
 	public override void _PhysicsProcess(double delta)
 	{
@@ -39,6 +43,12 @@ public partial class Player : CharacterBody2D
 		{
 			Velocity = Velocity.MoveToward(Vector2.Zero, Deceleration * (float)delta);
 		}
+
+		if (Input.IsActionJustPressed("move_dash") && PlayerDashCountdown.IsStopped())
+		{
+			Velocity *= PlayerDashAcceleration;
+			PlayerDashCountdown.Start();
+		}
 		
 		Position += Velocity * (float)delta;
 		MoveAndSlide();

Scripts/UI/MultiplayerUi.cs

@@ -0,0 +1,74 @@
+using Godot;
+
+namespace CodingLand.Scripts.UI;
+
+public partial class MultiplayerUi : Control
+{
+	[Export] public int DefaultServerPort = 4343;
+	[Export] public string DefaultServerAddr = "127.0.0.1";
+
+	[Export] public Multiplayer MultiplayerController;
+
+	[Export] public LineEdit ServerPortInput;
+	[Export] public LineEdit ServerAddrInput;
+	[Export] public Button StartAsServerButton;
+	[Export] public Button StartAsClientButton;
+
+	private void ApplySize()
+	{
+		var screenSize = GetViewportRect().Size;
+
+		Position = new Vector2(0, 0);
+		Size = screenSize;
+		GetNode<CenterContainer>("CenterContainer").Size = screenSize;
+	}
+
+	private bool DoValidation()
+	{
+		var addr = ServerAddrInput.Text;
+		var port = ServerPortInput.Text;
+
+		if (string.IsNullOrEmpty(addr)) return false;
+		if (string.IsNullOrEmpty(port) || !int.TryParse(port, out _)) return false;
+
+		return true;
+	}
+
+	public override void _Ready()
+	{
+		ApplySize();
+
+		ServerPortInput.Text = DefaultServerPort.ToString();
+		ServerAddrInput.Text = DefaultServerAddr;
+
+		StartAsServerButton.Pressed += () =>
+		{
+			if (!DoValidation())
+			{
+				OS.Alert("Invalid multiplayer configuration.");
+				return;
+			}
+
+			var port = ServerPortInput.Text;
+			var result = MultiplayerController.StartAsServer(int.Parse(port));
+			
+			if (result)
+				Hide();
+		};
+		StartAsServerButton.Pressed += () =>
+		{
+			if (!DoValidation())
+			{
+				OS.Alert("Invalid multiplayer configuration.");
+				return;
+			}
+
+			var addr = ServerAddrInput.Text;
+			var port = ServerPortInput.Text;
+			var result = MultiplayerController.StartAsClient(addr, int.Parse(port));
+
+			if (result)
+				Hide();
+		};
+	}
+}