SlotSectorScript.cs

using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;

public class SlotSectorScript : MonoBehaviour, IPointerEnterHandler, IPointerExitHandler {

    public GameObject slotParent;
    public int QuadNum;
    public static IntVector2 posOffset;
    public static SlotSectorScript sectorScript;
    private InvenGridManager invenGridManager;
    private SlotScript parentSlotScript;

    private void Start()
    {
        invenGridManager = this.gameObject.transform.parent.parent.GetComponent<InvenGridManager>();
        parentSlotScript = slotParent.GetComponent<SlotScript>();
    }

    public void OnPointerEnter(PointerEventData eventData)
    {
        sectorScript = this;
        PosOffset();

        if (invenGridManager.highlightedSlot != slotParent)
        {
            invenGridManager.highlightedSlot = slotParent;
        }
        if (ItemScript.selectedItem != null)
        {
            invenGridManager.RefrechColor(true);
        }
        if (parentSlotScript.storedItem != null && ItemScript.selectedItem == null)
        {
            invenGridManager.ColorChangeLoop(ColorHighlights.Blue, parentSlotScript.storedItemSize, parentSlotScript.storedItemStartPos);
        }
    }

    public void PosOffset()
    {
        if (ItemScript.selectedItemSize.x != 0 && ItemScript.selectedItemSize.x % 2 == 0)
        {
            switch (QuadNum)
            {
                case 1:
                    posOffset.x = 0; break;
                case 2:
                    posOffset.x = -1; break;
                case 3:
                    posOffset.x = 0; break;
                case 4:
                    posOffset.x = -1; break;
                default: break;
            }
        }
        if (ItemScript.selectedItemSize.y != 0 && ItemScript.selectedItemSize.y % 2 == 0)
        {
            switch (QuadNum)
            {
                case 1:
                    posOffset.y = -1; break;
                case 2:
                    posOffset.y = -1; break;
                case 3:
                    posOffset.y = 0; break;
                case 4:
                    posOffset.y = 0; break;
                default: break;
            }
        }
    }

    public void OnPointerExit(PointerEventData eventData)
    {
        sectorScript = null;
        invenGridManager.highlightedSlot = null;
        if (ItemScript.selectedItem != null)
        {
            invenGridManager.RefrechColor(false);
        }
        posOffset = IntVector2.Zero;
        if (parentSlotScript.storedItem != null && ItemScript.selectedItem == null)
        {
            invenGridManager.ColorChangeLoop(Color.white, parentSlotScript.storedItemSize, parentSlotScript.storedItemStartPos);
        }
    }
}