68 lines
2.0 KiB
C#
68 lines
2.0 KiB
C#
using UnityEngine;
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using UnityEngine.UI;
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using UnityEngine.EventSystems;
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public class InventoryItemUI : MonoBehaviour, IBeginDragHandler, IDragHandler, IEndDragHandler, IPointerClickHandler
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{
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private Item item;
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private int quantity;
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private InventoryUI inventoryUI;
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private Image itemImage;
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private Text quantityText;
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private Canvas canvas;
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private GraphicRaycaster raycaster;
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private CanvasGroup canvasGroup;
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public void Initialize(Item newItem, int qty, InventoryUI ui)
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{
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item = newItem;
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quantity = qty;
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inventoryUI = ui;
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itemImage = GetComponent<Image>();
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quantityText = GetComponentInChildren<Text>();
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canvas = GetComponentInParent<Canvas>();
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canvasGroup = GetComponent<CanvasGroup>();
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if (itemImage != null && item.itemIcon != null)
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itemImage.sprite = item.itemIcon;
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if (quantityText != null)
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quantityText.text = quantity > 1 ? quantity.ToString() : "";
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// Make draggable
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if (canvasGroup == null)
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canvasGroup = gameObject.AddComponent<CanvasGroup>();
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GetComponent<RectTransform>().sizeDelta = new Vector2(64, 64);
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}
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public void OnBeginDrag(PointerEventData eventData)
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{
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canvasGroup.alpha = 0.6f;
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canvasGroup.blocksRaycasts = false;
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}
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public void OnDrag(PointerEventData eventData)
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{
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GetComponent<RectTransform>().anchoredPosition += eventData.delta / canvas.scaleFactor;
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}
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public void OnEndDrag(PointerEventData eventData)
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{
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canvasGroup.alpha = 1f;
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canvasGroup.blocksRaycasts = true;
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// Reset position on drop (TODO: check if dropped on equip slot)
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GetComponent<RectTransform>().anchoredPosition = Vector2.zero;
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}
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public void OnPointerClick(PointerEventData eventData)
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{
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if (eventData.button == PointerEventData.InputButton.Right)
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{
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inventoryUI.ShowContextMenu(this, item);
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}
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}
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}
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