2026-06-19 UI, UI로직

Assets/My project/Inventory/Scripts/InventorySlotUI.cs

@@ -0,0 +1,159 @@
+using System.Collections;
+using TMPro;
+using UnityEngine;
+using UnityEngine.EventSystems;
+using UnityEngine.UI;
+
+/// <summary>
+/// 인벤토리 슬롯 하나를 담당하는 UI 스크립트입니다.
+/// FishSlot, CompassSlot, TrashSlot, BottleSlot 등에 각각 붙입니다.
+/// </summary>
+[DisallowMultipleComponent]
+public class InventorySlotUI : MonoBehaviour, IPointerEnterHandler, IPointerExitHandler, ISelectHandler, IDeselectHandler
+{
+    [Header("Item")]
+    [SerializeField] private InventoryItemType itemType;
+
+    [Header("UI References")]
+    [SerializeField] private Image slotBackground;
+    [SerializeField] private Image itemIcon;
+    [SerializeField] private TMP_Text countText;
+    [SerializeField] private GameObject newBadge;
+    [SerializeField] private CanvasGroup canvasGroup;
+
+    [Header("Tooltip")]
+    [SerializeField] private InventoryTooltipUI tooltipUI;
+
+    [Header("Settings")]
+    [SerializeField] private bool hideWhenZero = false;
+    [SerializeField] private bool dimWhenZero = true;
+    [SerializeField] private float zeroAlpha = 0.35f;
+    [SerializeField] private float ownedAlpha = 1f;
+    [SerializeField] private float newBadgeShowTime = 1.2f;
+
+    private int currentCount;
+    private Coroutine newBadgeRoutine;
+
+    public InventoryItemType ItemType => itemType;
+    public int CurrentCount => currentCount;
+
+    private void Awake()
+    {
+        if (canvasGroup == null)
+            canvasGroup = GetComponent<CanvasGroup>();
+
+        if (newBadge != null)
+            newBadge.SetActive(false);
+    }
+
+    public void SetItemType(InventoryItemType newItemType)
+    {
+        itemType = newItemType;
+    }
+
+    public void SetCount(int count, bool showNewBadge)
+    {
+        int previousCount = currentCount;
+        currentCount = Mathf.Max(0, count);
+
+        UpdateVisualState();
+
+        if (showNewBadge && currentCount > previousCount)
+            ShowNewBadge();
+    }
+
+    public void SetIcon(Sprite sprite)
+    {
+        if (itemIcon == null)
+            return;
+
+        itemIcon.sprite = sprite;
+        itemIcon.enabled = sprite != null;
+    }
+
+    public void SetSlotBackground(Sprite sprite)
+    {
+        if (slotBackground == null)
+            return;
+
+        slotBackground.sprite = sprite;
+        slotBackground.enabled = sprite != null;
+    }
+
+    public void ShowNewBadge()
+    {
+        if (newBadge == null)
+            return;
+
+        if (newBadgeRoutine != null)
+            StopCoroutine(newBadgeRoutine);
+
+        newBadgeRoutine = StartCoroutine(NewBadgeRoutine());
+    }
+
+    public void HideNewBadge()
+    {
+        if (newBadgeRoutine != null)
+        {
+            StopCoroutine(newBadgeRoutine);
+            newBadgeRoutine = null;
+        }
+
+        if (newBadge != null)
+            newBadge.SetActive(false);
+    }
+
+    private IEnumerator NewBadgeRoutine()
+    {
+        newBadge.SetActive(true);
+        yield return new WaitForSeconds(newBadgeShowTime);
+        newBadge.SetActive(false);
+        newBadgeRoutine = null;
+    }
+
+    private void UpdateVisualState()
+    {
+        bool hasItem = currentCount > 0;
+
+        if (countText != null)
+            countText.text = $"x{currentCount}";
+
+        if (hideWhenZero)
+            gameObject.SetActive(hasItem);
+
+        if (canvasGroup != null && dimWhenZero)
+            canvasGroup.alpha = hasItem ? ownedAlpha : zeroAlpha;
+    }
+
+    public void OnPointerEnter(PointerEventData eventData)
+    {
+        ShowTooltip();
+    }
+
+    public void OnPointerExit(PointerEventData eventData)
+    {
+        HideTooltip();
+    }
+
+    public void OnSelect(BaseEventData eventData)
+    {
+        ShowTooltip();
+    }
+
+    public void OnDeselect(BaseEventData eventData)
+    {
+        HideTooltip();
+    }
+
+    public void ShowTooltip()
+    {
+        if (tooltipUI != null)
+            tooltipUI.ShowTooltip(itemType, currentCount);
+    }
+
+    public void HideTooltip()
+    {
+        if (tooltipUI != null)
+            tooltipUI.HideTooltip();
+    }
+}