lsh4/Assets/Scripts/UI/InventoryUIController.cs

using UnityEngine;
using UnityEngine.UI;
using TMPro;

public class InventoryUIController : MonoBehaviour
{
    public GameObject slotPrefab;
    public Transform gridContainer;
    private CharacterInGroup boundCharacter;

    public void Bind(CharacterInGroup character)
    {
        boundCharacter = character;
        Refresh();
    }

    public void Refresh()
    {
        foreach (Transform child in gridContainer)
            Destroy(child.gameObject);

        foreach (var item in boundCharacter.inventory.items)
        {
            GameObject slot = Instantiate(slotPrefab, gridContainer);
            slot.GetComponentInChildren<Image>().sprite = item.icon;
            slot.GetComponent<DragDropItem>().Init(item, this, boundCharacter);
        }
    }

    public void TransferItem(InventoryItem item, CharacterInGroup receiver)
    {
        boundCharacter.inventory.items.Remove(item);
        receiver.inventory.items.Add(item);
        Refresh();
    }
}