Setup and play area prefab

WizardDuelsProject/Assets/Scripts/CardArea.cs

@@ -0,0 +1,73 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using UnityEngine;
+using UnityEngine.UI;
+
+public class CardArea : MonoBehaviour
+{
+    [SerializeField] private AudioManager audio;
+    [SerializeField] private Card selectedCard;
+    [SerializeField] private GameObject slotPrefab;
+
+    [SerializeField] private Dictionary<Card, GameObject> _cardSlotMapping = new Dictionary<Card, GameObject>();
+    
+    private void OnTriggerEnter2D(Collider2D other)
+    {
+        if (other.gameObject.TryGetComponent(out Card card)
+            && card.IsDragging
+            && !_cardSlotMapping.Keys.Contains(card))
+        {
+            StartCoroutine(WaitTriggerEnter());
+            card.HoveringArea = this;
+        }
+    }
+
+    IEnumerator WaitTriggerEnter()
+    {
+        yield return 0;
+    }
+
+    private void OnTriggerExit2D(Collider2D other)
+    {
+        if (other.gameObject.TryGetComponent(out Card card)
+            && card.IsDragging
+            && !_cardSlotMapping.Keys.Contains(card))
+        {
+            card.HoveringArea = null;
+        }
+    }
+
+    public void AddCardToArea(Card card)
+    {
+        GameObject slot = Instantiate(slotPrefab, transform);
+        _cardSlotMapping[card] = slot;
+        card.SetSlot(slot);
+        card.SetParentArea(this);
+        RefreshLayout();
+        audio.Play("playcard");
+    }
+
+    public void RemoveCardFromArea(Card card)
+    {
+        Destroy(_cardSlotMapping[card]);
+        _cardSlotMapping.Remove(card);
+        RefreshLayout();
+    }
+
+    private void RefreshLayout()
+    {
+        LayoutRebuilder.ForceRebuildLayoutImmediate(GetComponent<RectTransform>());
+        StartCoroutine(MoveCardsNextFrame());
+    }
+    
+    private IEnumerator MoveCardsNextFrame()
+    {
+        yield return null; // Waits until the next frame
+        foreach (Card card in _cardSlotMapping.Keys)
+        {
+            card.MoveToSlot();
+        }
+    }
+}