Интерфейс для диалогов

scripts/ChatLogContainer.cs

@@ -3,21 +3,99 @@ using System;
 
 public partial class ChatLogContainer : VBoxContainer
 {
-	private const float MaxChatLogContainerSize = 220;
+	public enum ChatState
+	{
+		Hidden,
+		Default,
+		Scrolling
+	}
+
+	private ChatState _state;
+
+	public ChatState CurrentState
+	{
+		get => _state;
+		set
+		{
+			_state = value;
+			switch (_state)
+			{
+				case ChatState.Hidden:
+					break;
+				case ChatState.Default:
+					break;
+				case ChatState.Scrolling:
+					break;
+				default:
+					throw new ArgumentOutOfRangeException();
+			}
+		}
+	}
+
+	private const float MaxChatLogContainerSize = 200;
 
 	private Vector2 _initialPosition;
+
 	// Called when the node enters the scene tree for the first time.
 	public override void _Ready()
 	{
 		_initialPosition = Position;
+		_state = ChatState.Default;
 	}
 
+	private Vector2 GetBottomPosition()
+	{
+		return _initialPosition + new Vector2(Size.X, MaxChatLogContainerSize) - Size;
+	}
+	
 	// Called every frame. 'delta' is the elapsed time since the previous frame.
 	public override void _PhysicsProcess(double delta)
 	{
-		if (Size.Y > MaxChatLogContainerSize)
+		if (CurrentState is ChatState.Default && Size.Y > MaxChatLogContainerSize)
 		{
-			Position = _initialPosition + new Vector2(Size.X, MaxChatLogContainerSize) - Size;
+			Position = GetBottomPosition();
+		}
+	}
+
+	public override void _Input(InputEvent @event)
+	{
+		if (@event.IsActionPressed("ui_down"))
+		{
+			switch (CurrentState)
+			{
+				case ChatState.Hidden:
+					return;
+				case ChatState.Default:
+					CurrentState = ChatState.Scrolling;
+					break;
+				case ChatState.Scrolling:
+					break;
+				default:
+					throw new ArgumentOutOfRangeException();
+			}
+
+			
+			Position = (Position + new Vector2(0, -10)).Clamp(GetBottomPosition(), _initialPosition);
+		}
+		if (@event.IsActionPressed("ui_up"))
+		{
+			switch (CurrentState)
+			{
+				case ChatState.Hidden:
+					return;
+				case ChatState.Default:
+					CurrentState = ChatState.Scrolling;
+					break;
+				case ChatState.Scrolling:
+					break;
+				default:
+					throw new ArgumentOutOfRangeException();
+			}
+			Position = (Position + new Vector2(0, 10)).Clamp(GetBottomPosition(), _initialPosition);
+		}
+		if (CurrentState is ChatState.Default or ChatState.Scrolling)
+		{
+			
 		}
 	}
 }