674 lines
22 KiB
C#
674 lines
22 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.UI;
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using UnityEngine.EventSystems;
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using static SimpleInventorySystem.GridUI;
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using System;
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namespace SimpleInventorySystem
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{
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[RequireComponent(typeof(RectTransform), typeof(CanvasGroup))]
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public class ItemUI : MonoBehaviour, IPointerEnterHandler, IPointerExitHandler
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{
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[Header("Item Attributes")]
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public string itemName;
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public Image image;
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public RarityType rarity;
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public ItemTags ItemTag = ItemTags.Any;
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public int StackLimit = 1;
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public int width;
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public int height;
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[Header("Container Prefab")]
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public GameObject containerUIPrefab;
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[Header("Required Component Links")]
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public Image backdropImage;
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public RectTransform emptyGridContainer;
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// Hidden public variables
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[HideInInspector] public bool interactable = true;
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[HideInInspector] public Canvas overrideSortingCanvas;
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[HideInInspector] public bool Equipped;
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[HideInInspector] public List<ItemUI> ContainedItems = new List<ItemUI>();
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[HideInInspector] public ItemUI ParentContainer;
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[HideInInspector] public GameObject container;
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[HideInInspector] public Canvas canvas;
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[HideInInspector] public bool PickedUpOnFrame;
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[HideInInspector] public List<GameObject> ContextWindows = new List<GameObject>();
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[HideInInspector] public bool IsLinkedSlotClone;
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[HideInInspector] public LimitStackSlotCapacity limitStackSlotCapacity;
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[HideInInspector] public PickUp pickUp;
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[HideInInspector] public TargetAttachment targetAttachment;
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// private variables
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private Vector2 oldImageSizeDelta;
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private Vector2 oldSizeDelta;
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private RectTransform rectTransform;
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private CanvasGroup canvasGroup;
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private float scale = 1f;
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private SlotUI slot;
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private Cell[] cells;
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private bool isDragging;
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private Size imageSizeOnGrid;
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private Orientation imageOrientation = Orientation.Portrait;
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private RenderItemUIProperty renderProp;
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// archived variables
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//public Item itemPrefab;
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//public variables
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public SlotUI previousSlot { get; private set; }
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public bool Stackable
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{
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get { return StackLimit > 1; }
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}
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private int count;
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public int Count
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{
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get { return count; }
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set
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{
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if (!Stackable)
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{
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count = 1;
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}
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else
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{
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count = value;
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}
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SetRenderItemUIPropertyValue();
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}
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}
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public bool PointerIsHoveredOver { get { return InventorySystem.IsMouseOverItemUITop(this); } }
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//public Item item;
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private void Awake()
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{
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rectTransform = GetComponent<RectTransform>();
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if (image == null)
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{
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Image[] images = transform.GetComponentsInChildren<Image>();
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for(int i = 0; i < images.Length; i++)
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{
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if(images[i] == GetComponent<Image>())
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{
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continue;
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}
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image = transform.GetComponentInChildren<Image>();
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break;
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}
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}
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if(image == null)
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{
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Debug.LogError("ItemUI: Item needs a child with an Image component.");
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}
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canvasGroup = GetComponent<CanvasGroup>();
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renderProp = GetComponent<RenderItemUIProperty>();
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limitStackSlotCapacity = GetComponent<LimitStackSlotCapacity>();
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if (width <= 0 || height <= 0)
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{
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Debug.LogError("Inventory ItemUI must contain a positive integer value for Width and Height: " + name);
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}
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int eulerAngle = Mathf.Abs(Mathf.CeilToInt(transform.rotation.eulerAngles.z));
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switch (eulerAngle)
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{
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case 270:
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imageOrientation = (height > width) ? Orientation.Portrait : Orientation.Landscape;
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break;
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case 180:
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imageOrientation = (width > height) ? Orientation.Landscape : Orientation.Portrait;
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break;
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case 90:
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imageOrientation = (height > width) ? Orientation.Portrait : Orientation.Landscape;
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break;
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default:
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imageOrientation = (width > height) ? Orientation.Landscape : Orientation.Portrait;
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break;
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}
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//InstantiateItem();
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}
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public Rarity GetRarity()
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{
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Debug.Log(rarity);
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return InventorySystem.instance.GetRarityFromList(rarity);
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}
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/// <summary>
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/// Returns an integer number if it has a container with a GridUI. the number returned is either -1 if no gridUI exists, or the capacity in terms of 1x1 cells.
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/// </summary>
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/// <returns></returns>
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public int ContainerCapacity()
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{
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GridUI gridUI = null;
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if(container != null && container.TryGetComponent<GridUI>(out gridUI))
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{
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return gridUI.gridSize.Width * gridUI.gridSize.Height;
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}
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return -1;
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}
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private void SetRenderItemUIPropertyValue()
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{
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if (renderProp != null)
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{
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renderProp.value = Count.ToString();
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}
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}
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public void InstantiateItem()
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{
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//if (item == null && itemPrefab != null)
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//{
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// item = Instantiate(itemPrefab);
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//}
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}
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public SlotUI GetSlotUI()
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{
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return slot;
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}
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public void OnBeginDrag(PointerEventData eventData)
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{
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}
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public void OnDrag(PointerEventData eventData)
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{
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}
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public void OnEndDrag(PointerEventData eventData)
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{
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//rectTransform.localPosition = new Vector3(0, 0);
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}
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public bool Equip()
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{
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foreach (TagSlotPairing tsp in InventorySystem.instance.TagSlotPairings)
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{
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if (!tsp.HasSlotOccupied() || tsp.slot.IsStacking())
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{
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UnsetSlot();
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bool value = tsp.slot.DropOntoSlot(gameObject);
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if (!value)
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{
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ReturnToSlot();
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}
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else
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{
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return true;
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}
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}
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}
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return false;
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}
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public void DropItemOntoSlot()
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{
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//Debug.Log("OnEndDrag");
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if (image != null)
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{
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canvasGroup.alpha = 1f;
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image.maskable = true;
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}
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canvasGroup.blocksRaycasts = true;
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isDragging = false;
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if (!slot.useImageAsSlotHolder)
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ShowEmptyGrid();
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else
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HideEmptyGrid();
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InventorySystem.instance.DraggedItem = null;
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if (slot == null)
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{
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Debug.Log("ItemUI: OnEndDrag: Returning to parent");
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//ReturnToSlot();
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}
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else
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{
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// TODO: this need improvement
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Equipped = slot.EquipSlot;
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}
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}
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public void GrabAndDragItem()
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{
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if (!isDragging && interactable)
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{
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Debug.Log("GRAB AND DRAG");
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//Debug.Log("OnPointerDown");
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//Debug.Log("OnBeginDrag");
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canvasGroup.alpha = .7f;
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canvasGroup.blocksRaycasts = false;
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transform.SetParent(canvas.transform);
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rectTransform.anchorMin = new Vector2(0, 1);
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rectTransform.anchorMax = new Vector2(0, 1);
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rectTransform.pivot = new Vector2(0, 1);
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image.rectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, oldImageSizeDelta.x);
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image.rectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, oldImageSizeDelta.y);
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rectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, oldSizeDelta.x);
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rectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, oldSizeDelta.y);
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emptyGridContainer.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, oldSizeDelta.x);
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emptyGridContainer.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, oldSizeDelta.y);
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backdropImage.rectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, oldSizeDelta.x);
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backdropImage.rectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, oldSizeDelta.y);
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UnsetSlot();
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HideEmptyGrid();
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isDragging = true;
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InventorySystem.instance.DraggedItem = this;
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PickedUpOnFrame = true;
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// Destroy each associated window, since we won't rely on windows if we are moving this item
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for(int i = ContextWindows.Count - 1; i >= 0; i--)
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{
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ContextWindows[i].SetActive(true);
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}
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ContextWindows.Clear();
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}
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}
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public void UnsetSlot()
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{
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if (slot != null)
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{
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previousSlot = slot;
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slot.RemoveDragDropItem();
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slot = null;
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}
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if (cells != null)
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{
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foreach (Cell c in cells)
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{
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if (c != null)
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{
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c.inUse = false;
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//c.overlapped = false;
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//s.ShowImage();
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if (c.GetSlot() != null && c.GetSlot() != this.slot)
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{
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c.GetSlot().UnsetCell();// RemoveDragDropItem(true);
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}
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}
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}
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cells = null;
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}
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}
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public void AddToContainedItems(ItemUI item)
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{
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ContainedItems.Add(item);
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item.ParentContainer = this;
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}
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public void RemoveFromContainedItems(ItemUI item)
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{
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ContainedItems.Remove(item);
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item.ParentContainer = null;
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}
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public void OnPointerDown(PointerEventData eventData)
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{
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if (eventData.button == PointerEventData.InputButton.Left)
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{
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GrabAndDragItem();
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}
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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.Left)
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{
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GrabAndDragItem();
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}
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else if (eventData.button == PointerEventData.InputButton.Right)
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{
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InventorySystem.instance.OpenContextMenu(this);
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}
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/*else if (eventData.button == PointerEventData.InputButton.Right)
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{
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InventorySystem.instance.OpenContextMenu(this);
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}*/
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}
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public void FitImageInSlot(Vector2 size)
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{
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Debug.Log("FitImageInSlot: " + image.transform.name);
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float ratio = size.y / image.rectTransform.sizeDelta.y;
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rectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, size.x);
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rectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, size.y);
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image.rectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, size.x);
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image.rectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, size.y);
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backdropImage.rectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, size.x);
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backdropImage.rectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, size.y);
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emptyGridContainer.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, size.x);
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emptyGridContainer.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, size.y);
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/* image.rectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, size.y);// = new Vector2(image.rectTransform.sizeDelta.x * ratio, size.y);
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Debug.Log(oldImageSizeDelta + ", " + oldSizeDelta);
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this.rectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, size.y); ;*/
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//image.transform.localScale *= ratio;
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//this.scale = scale;
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//image.transform.localScale *= scale;
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}
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public void SetSlot(SlotUI slot)
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{
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this.slot = slot;
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}
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// TODO: Make sure it was dropped somewhere, if not, return it to the original parent
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public void ReturnToSlot()
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{
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if (previousSlot != null && !isDragging)
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{
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Debug.Log("RETURNED: " + previousSlot.gameObject.name);
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previousSlot.DropOntoSlot(this.gameObject);
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}
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}
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// Start is called\ before the first frame update
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void Start()
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{
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oldImageSizeDelta = image.rectTransform.sizeDelta;
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oldSizeDelta = this.rectTransform.sizeDelta;
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if (oldImageSizeDelta == Vector2.zero)
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{
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oldImageSizeDelta = oldSizeDelta;
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}
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if (oldSizeDelta == Vector2.zero)
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{
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oldSizeDelta = oldImageSizeDelta;
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}
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// TODO: Possibly have item image scale into slot here.
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imageSizeOnGrid = new Size(width * InventorySystem.instance.DefaultSizeOnGrid.Width, height * InventorySystem.instance.DefaultSizeOnGrid.Height);
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if (canvas == null)
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{
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canvas = SimpleInventorySystem.InventorySystem.instance.inventoryUI;
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}
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if (Count == 0)
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{
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Count = 1;
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}
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SetRenderItemUIPropertyValue();
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Rarity r = GetRarity();
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if (backdropImage == null)
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{
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backdropImage = transform.GetComponent<Image>();
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}
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if (backdropImage == null)
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{
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Debug.LogError("ItemUI: Item needs at least an Image component.");
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}
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else if (r != null)
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{
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backdropImage.color = new Color(r.color.r, r.color.g, r.color.b, InventorySystem.instance.ItemBackdropTransparency);
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}
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//backdropImage.sprite.rect.
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/*overrideSortingCanvas = gameObject.AddComponent<Canvas>();
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if(overrideSortingCanvas != null)
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{
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overrideSortingCanvas.overrideSorting = true;
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overrideSortingCanvas.sortingLayerID = 5;
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//overrideSortingCanvas.sortingLayerName = "ItemUI";
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}*/
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}
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public Orientation ImageOrientation()
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{
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return imageOrientation;
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}
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public Size SizeAfterOrientation()
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{
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Debug.Log(imageOrientation);
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if (imageOrientation == Orientation.Landscape)
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{
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if (width >= height)
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{
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return new Size(width, height);
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}
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else
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{
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return new Size(height, width);
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}
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}
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else
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{
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if (height >= width)
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{
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return new Size(width, height);
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}
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else
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{
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return new Size(height, width);
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}
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}
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}
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public void HideSlots()
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{
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if (cells != null)
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{
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foreach (Cell cell in cells)
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{
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if (cell != null)
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{
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SlotUI slot = cell.GetSlot();
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if (slot != null)// && !slot.useImageAsSlotHolder)
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slot.HideImage();
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}
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}
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}
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}
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public void HideEmptyGrid()
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{
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if (emptyGridContainer != null)
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{
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emptyGridContainer.gameObject.SetActive(false);
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}
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}
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public void ShowEmptyGrid()
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{
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if (emptyGridContainer != null)
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{
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emptyGridContainer.gameObject.SetActive(true);
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}
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}
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public void SetSlots(List<Cell> cellList)
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{
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cells = new Cell[cellList.Count];
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for (int i = 0; i < cellList.Count; i++)
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{
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if (cellList[i] != null)
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{
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cells[i] = cellList[i];
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cells[i].inUse = true;
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}
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}
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}
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public bool IsSingleCellItem()
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{
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return width == 1 && height == 1;
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}
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public bool AddToStack(int value = 1)
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{
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if (Stackable && Count < StackLimit)
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{
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Count+=value;
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return true;
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}
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return false;
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}
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public bool RemoveFromStack(int value = 1)
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{
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if (Stackable && Count > 0)
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{
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Count-= value;
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return true;
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}
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return false;
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}
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public void UnsetSlots()
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{
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cells = null;
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}
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void FixedUpdate()
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{
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}
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// Update is called once per frame
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void Update()
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{
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if (isDragging)
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{
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// TODO: fix this
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rectTransform.position = InventorySystem.instance.MouseInCanvasPosition;
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}
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if (PointerIsHoveredOver && InventorySystem.instance.PressedEquipItemKey(false))
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{
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Equip();
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// TODO: see if more needs to be implemented here.
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return;
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}
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if (PointerIsHoveredOver && InventorySystem.instance.PressedDropItemKey(false))
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{
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DropItemAway();
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return;
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}
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if (PointerIsHoveredOver && InventorySystem.instance.DraggedItem == null)
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{
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if (Input.GetMouseButtonDown(0) && !isDragging && InventorySystem.instance.DraggedItem == null && !slot.DroppedOnFrame)
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{
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GrabAndDragItem();
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}
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if (Input.GetMouseButtonDown(1) && InventorySystem.instance.DraggedItem == null)
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{
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InventorySystem.instance.OpenContextMenu(this);
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}
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}
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if (Input.GetMouseButtonUp(0))
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{
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PickedUpOnFrame = false;
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}
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if (isDragging)
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{
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if (image != null)
|
|
{
|
|
image.maskable = false;
|
|
}
|
|
|
|
if (InventorySystem.instance.PressedKeyRotation(true))
|
|
{
|
|
Debug.Log("Rotate");
|
|
RectTransform handler = (RectTransform)transform;
|
|
int eulerAngle = Mathf.Abs(Mathf.CeilToInt(handler.rotation.eulerAngles.z)) - 90;
|
|
Debug.Log("euler" + eulerAngle);
|
|
switch (eulerAngle)
|
|
{
|
|
case -90:
|
|
rectTransform.pivot = new Vector2(0, 0);
|
|
rectTransform.Rotate(new Vector3(0, 0, 1), -90);
|
|
imageOrientation = (width > height) ? Orientation.Portrait : Orientation.Landscape;
|
|
break;
|
|
case 180:
|
|
rectTransform.pivot = new Vector2(1, 0);
|
|
handler.Rotate(new Vector3(0, 0, 1), -90);
|
|
imageOrientation = (width > height) ? Orientation.Landscape : Orientation.Portrait;
|
|
break;
|
|
case 90:
|
|
rectTransform.pivot = new Vector2(1, 1);
|
|
handler.Rotate(new Vector3(0, 0, 1), -90);
|
|
imageOrientation = (width > height) ? Orientation.Portrait : Orientation.Landscape;
|
|
break;
|
|
default:
|
|
handler.Rotate(new Vector3(0, 0, 1), -90);
|
|
handler.localPosition = new Vector3(0, 0, 0);
|
|
handler.pivot = new Vector2(0, 1);
|
|
imageOrientation = (width > height) ? Orientation.Landscape : Orientation.Portrait;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public void DropItemAway()
|
|
{
|
|
if (pickUp == null)
|
|
{
|
|
// TODO: Create a new pickup for items without a gameobject attached
|
|
Debug.LogError("No in-world gameobject previously attached with itemUI");
|
|
}
|
|
else
|
|
{
|
|
InventorySystem.instance.player.DetachItemGameObject(pickUp.ItemGameObject, this);
|
|
}
|
|
isDragging = false;
|
|
SetOverrideSortingCanvasEnabled(false);
|
|
InventorySystem.instance.DraggedItem = null;
|
|
UnsetSlot();
|
|
}
|
|
|
|
public void SetOverrideSortingCanvasEnabled(bool value)
|
|
{
|
|
/* if(overrideSortingCanvas != null)
|
|
{
|
|
overrideSortingCanvas.enabled = value;
|
|
}*/
|
|
}
|
|
|
|
public void SetInteractable(bool value)
|
|
{
|
|
interactable = value;
|
|
}
|
|
|
|
public void OnPointerExit(PointerEventData eventData)
|
|
{
|
|
//PointerIsHoveredOver = false;
|
|
}
|
|
|
|
public void OnPointerEnter(PointerEventData eventData)
|
|
{
|
|
//PointerIsHoveredOver = true;
|
|
}
|
|
}
|
|
} |