Elevators move players

Scripts/Components/FSM/Elevator/ElevatorMovementState.cs

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+using System.Threading;
+using System.Threading.Tasks;
+using Cirno.Scripts.Enums;
+using Godot;
+using GTweens.Builders;
+using GTweens.Tweens;
+using GTweensGodot.Extensions;
+
+namespace Cirno.Scripts.Components.FSM.Elevator;
+
+public abstract partial class ElevatorMovementState : BaseState<ElevatorState, ElevatorProxy>
+{
+    
+    protected GTween Tween;
+    protected Node2D OldPlayerParent;
+    
+    protected abstract Vector2 StartingPosition { get; }
+    protected abstract Vector2 EndingPosition { get; }
+    
+    protected abstract ElevatorState EndState { get; }
+
+    protected CharacterBody2D PlayerBody => MainObject.CachedPlayer?.StateMachine.MainObject;
+    
+    public override void EnterState()
+    {
+        Tween?.Kill();
+        MainObject.SetPosition(StartingPosition);
+        Move();
+    }
+
+    public override void ExitState()
+    {
+        Tween?.Kill();
+       RestorePlayerParent();
+    }
+
+    private void RestorePlayerParent()
+    {
+        if (PlayerBody is null) return;
+        PlayerBody.Reparent(OldPlayerParent);
+        OldPlayerParent = null;
+        MainObject.CachedPlayer?.StateMachine.SetState(PlayerState.Active);
+    }
+
+    private void CatchPlayer()
+    {
+        if (PlayerBody is null) return;
+        OldPlayerParent = PlayerBody.GetParent<Node2D>();
+        MainObject.CachedPlayer.StateMachine.SetState(PlayerState.Cutscene);
+        PlayerBody.Reparent(MainObject);
+    }
+
+    private void Move()
+    {
+        // Grab player if in range
+        CatchPlayer();
+
+        //Ascend
+        _ = PlayAnimation();
+    }
+
+    private async Task PlayAnimation()
+    {
+        Tween = GTweenSequenceBuilder.New()
+            .Append(MainObject.TweenPosition(EndingPosition, MainObject.MovementTime))
+            .Build();
+
+        await Tween.PlayAsync(CancellationToken.None);
+        
+        StateMachine.SetState(EndState);
+    }
+}