151 lines
4.3 KiB
C#
151 lines
4.3 KiB
C#
using System.Collections.Generic;
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using System.Linq;
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using UnityEditor;
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using UnityEngine;
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using UnityEngine.EventSystems;
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using UnityEngine.UI;
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public abstract class DraggablePanelController : PanelController<IndexValuePair<int, EquippableItem>>, DraggablePanelInterface
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{
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protected PanelTypeEnum Type = PanelTypeEnum.None;
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public bool AllowToUseItemInPanel = true;
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[SerializeField] protected new List<ISlot> ChildBoxList = new List<ISlot>();
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protected static UIWarehouseManager _uiManager;
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protected new UIWarehouseManager UiManager
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{
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get
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{
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if (_uiManager == null) { return FetchUiManager() as UIWarehouseManager; }
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return null;
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}
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}
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public ISlot SetupDragAndDropToSlot(ISlot slot)
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{
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slot.OnBeginDragEvent += BeginDrag;
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slot.OnEndDragEvent += EndDrag;
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slot.OnDragEvent += Drag;
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slot.OnDropEvent += Drop;
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slot.OnPointerClickEvent += MouseClick;
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return slot;
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}
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#region drag & drop handler
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public virtual void BeginDrag(ItemSlot itemSlot)
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{
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if (itemSlot.Item != null)
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{
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DraggedSlotController.Instance.CreateDraggedSlot(itemSlot, _panelContent.transform.position);
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}
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}
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public virtual void Drag(ItemSlot itemSlot)
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{
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DraggedSlotController.Instance.UpdatePosition(Input.mousePosition);
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}
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public virtual void EndDrag(ItemSlot itemSlot)
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{
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if (!DraggedSlotController.Instance.IsDragged()) // if there was nothing dragged - ignore event
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return;
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DraggedSlotController.Instance.RemoveDraggedSlot();
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// Rebuild/apply UiManager content (list of items) base on slots values after its updating
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for (int i = 0; i < ChildBoxList.Count; i++)
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{
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if (ChildBoxList[i].Item != null)
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{
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UiManager.Add(new IndexValuePair<int, EquippableItem>(i, ChildBoxList[i].Item));
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}
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else
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{
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UiManager.RemoveByPosition(i);
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}
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}
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}
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public virtual void Drop(ItemSlot dropItemSlot)
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{
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if (!DraggedSlotController.Instance.IsDragged()) // if there was nothing dragged - ignore event
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return;
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var draggedSlot = GetDraggedSlot();
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if (dropItemSlot.CanReceiveItem(draggedSlot.Item) && draggedSlot.CanReceiveItem(dropItemSlot.Item))
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{
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EquippableItem dragItem = draggedSlot.Item as EquippableItem;
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EquippableItem dropItem = dropItemSlot.Item as EquippableItem;
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// TODO insert child criterials
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EquippableItem tmpDraggedItem = draggedSlot.Item == null ? null : new EquippableItem(draggedSlot.Item); // InventoryUIManager.Instance.DraggedSlot.Item; // remember temporary currently dragged item
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UiManager.Add(new IndexValuePair<int, EquippableItem>(dropItemSlot.Number, tmpDraggedItem));
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// !!! remember item from dropped position to future operation !!!
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if (dropItem)
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DraggedSlotController.Instance.UpdateItem(new EquippableItem(dropItem));
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else
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DraggedSlotController.Instance.UpdateItem(null);
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}
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}
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#endregion
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public void MouseClick(ItemSlot itemSlot, PointerEventData eventData)
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{
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if (eventData.button == PointerEventData.InputButton.Right && eventData.clickCount == 1)
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{
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SingleRightMouseClick(itemSlot);
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}
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if (eventData.button == PointerEventData.InputButton.Right && eventData.clickCount == 2)
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{
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DoubleRightMouseClick(itemSlot);
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}
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if (eventData.button == PointerEventData.InputButton.Left && eventData.clickCount == 1)
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{
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SingleLeftMouseClick(itemSlot);
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}
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if (eventData.button == PointerEventData.InputButton.Left && eventData.clickCount == 2)
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{
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DoubleLeftMouseClick(itemSlot);
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}
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}
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#region mouse handler
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public virtual void SingleRightMouseClick(ItemSlot itemSlot)
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{
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}
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public virtual void DoubleRightMouseClick(ItemSlot itemSlot)
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{
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}
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public virtual void SingleLeftMouseClick(ItemSlot itemSlot)
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{
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}
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public virtual void DoubleLeftMouseClick(ItemSlot itemSlot)
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{
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}
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#endregion
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public ISlot GetDraggedSlot()
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{
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return DraggedSlotController.Instance.DraggedSlot;
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}
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} |