Animals can now be bought in AnimalShop

if bought they will be placed somewhere random on the map

Assets/Scripts/Shop/ShopUI.cs

@@ -0,0 +1,85 @@
+using System.Linq;
+using UnityEngine;
+
+namespace Shop {
+    public class ShopUI : MonoBehaviour {
+        public Transform itemsParent;
+        public Transform animalsParent;
+        public GameObject shopUI;
+        public GameObject inventoryUI;
+
+        private ItemShop _itemShop;
+        private AnimalShop _animalShop;
+        private ItemShopSlot[] _itemSlots;
+        private AnimalShopSlot[] _animalSlots;
+
+        private void Start() {
+            // Get Shop instance and add UpdateUI method to OnItemChanged delegate
+            _itemShop = ItemShop.instance;
+            _animalShop = AnimalShop.instance;
+            _itemShop.onElementChangedCallback += UpdateUI;
+            _animalShop.onElementChangedCallback += UpdateUI;
+
+            // Add all ItemShopSlot GameObjects to _itemSlots and turn off the Shop UI
+            _itemSlots = itemsParent.GetComponentsInChildren<ItemShopSlot>();
+            _animalSlots = animalsParent.GetComponentsInChildren<AnimalShopSlot>();
+            ToggleShop();
+
+            // Set the icon to not be a raycast target for the Description Hovering to work
+            foreach(ItemShopSlot slot in _itemSlots) {
+                slot.image.raycastTarget = false;
+            }
+
+            foreach(AnimalShopSlot slot in _animalSlots) {
+                slot.image.raycastTarget = false;
+            }
+
+            UpdateUI();
+        }
+
+        private void Update() {
+            // When "Shop" button is pressed turn on/off Shop UI
+            if(Input.GetButtonDown("Shop")) {
+                ToggleShop();
+            }
+        }
+
+        /**
+     * Turn on/off the Shop UI
+     */
+        private void ToggleShop() {
+            inventoryUI.gameObject.SetActive(!shopUI.activeSelf);
+            HoverManager.instance.HideDescription();
+            shopUI.SetActive(!shopUI.activeSelf);
+        }
+
+        /**
+     * Is called when something in the Shop UI should update
+     */
+        private void UpdateUI() {
+            // Add all items to the correct slots and clear the ones where no item should be
+            for(int i = 0; i < _itemSlots.Length; i++) {
+                // Item Slots
+                if(i < _itemShop.Elements.Count) {
+                    _itemSlots[i].AddElement(_itemShop.Elements.ElementAt(i).Key);
+                    _itemSlots[i].nameText.text = _itemSlots[i].Element.displayName;
+                    _itemSlots[i].costText.text = _itemSlots[i].Element.price + " µ";
+                    _itemSlots[i].amountText.text = _itemShop.Elements[_itemShop.Elements.ElementAt(i).Key] + " #";
+                } else {
+                    _itemSlots[i].ClearSlot();
+                }
+
+                // Animal SLots
+                if(i < _animalShop.Elements.Count) {
+                    _animalSlots[i].AddElement(_animalShop.Elements.ElementAt(i).Key);
+                    _animalSlots[i].nameText.text = _animalSlots[i].Element.displayName;
+                    _animalSlots[i].costText.text = _animalSlots[i].Element.price + " µ";
+                    _animalSlots[i].amountText.text =
+                        _animalShop.Elements[_animalShop.Elements.ElementAt(i).Key] + " #";
+                } else {
+                    _animalSlots[i].ClearSlot();
+                }
+            }
+        }
+    }
+}