Add item filtering

Assets/Scenes/NewShop.unity

@@ -7466,6 +7466,7 @@ GameObject:
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+  - component: {fileID: 1763223522}
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@@ -7573,6 +7574,20 @@ CanvasRenderer:
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@@ -7742,6 +7757,7 @@ GameObject:
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   - component: {fileID: 1779774929}
   - component: {fileID: 1779774928}
+  - component: {fileID: 1779774931}
   m_Layer: 5
   m_Name: AllButton
   m_TagString: Untagged
@@ -7849,6 +7865,20 @@ CanvasRenderer:
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@@ -8437,6 +8467,7 @@ GameObject:
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   - component: {fileID: 1918696019}
   - component: {fileID: 1918696018}
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   m_Layer: 5
   m_Name: PotionButton
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@@ -8544,6 +8575,20 @@ CanvasRenderer:
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   - component: {fileID: 1982954964}
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   m_Layer: 5
   m_Name: WeaponButton
   m_TagString: Untagged
@@ -9449,6 +9495,20 @@ CanvasRenderer:
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Assets/Scripts/Shop/Components/ShopViewFilterButton.cs

@@ -0,0 +1,19 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+/// <summary>
+/// Simple component that expands the button by making it set the selected filter of a selected shop view
+/// </summary>
+[RequireComponent(typeof(Button))]
+public class ShopViewFilterButton : MonoBehaviour
+{
+    [SerializeField] private ShopView view;
+    [SerializeField] private ItemType filter;
+    // Start is called before the first frame update
+    void Start()
+    {
+        Debug.Assert(view,this);
+        GetComponent<Button>().onClick.AddListener(delegate { view.SetItemFilter(filter); });
+    }
+}

Assets/Scripts/Shop/Components/ShopViewFilterButton.cs.meta

@@ -0,0 +1,11 @@
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+guid: a5001818e381b2c4890a9f8b1d8c943e
+MonoImporter:
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Assets/Scripts/Shop/Model/Item.cs

@@ -40,7 +40,8 @@ public enum ItemType
 {
     Weapon,
     Armor,
-    Potion
+    Potion,
+    All = 100
 }
 [System.Serializable] 
 public enum ItemRarity : int    // Int representing color, so that this enum not only works as an identifier, but also contains name and col in just 32 bits. C#-Magic!

Assets/Scripts/Shop/View/ShopView.cs

@@ -33,6 +33,8 @@ public abstract class ShopView : MonoBehaviour
     protected ShopModel other; // Other model in MVC pattern (our own inventory)
     private ShopController shopController; //Controller in MVC pattern
 
+    private ItemType itemFilter = ItemType.All;     // View can filter items, and this is the filter we want to use for that
+
     // Set up the view's necessary stuff before the view is enabled
     protected virtual void Awake()
     {
@@ -78,7 +80,8 @@ public abstract class ShopView : MonoBehaviour
     //Adds one icon for each item in the shop
     private void PopulateItemIconView() {
         foreach (Item item in model.inventory.GetItems()) {
-            AddItemToView(item);
+            if(itemFilter == ItemType.All || item.GetItemType() == itemFilter)
+                AddItemToView(item);
         }
     }
 
@@ -108,6 +111,13 @@ public abstract class ShopView : MonoBehaviour
             }
         );
     }
+    
+    // Set the item filter and automatically repopulate. Could use bit flags probably...
+    public void SetItemFilter(ItemType filter)
+    {
+        this.itemFilter = filter;
+        RepopulateItemIconView();
+    }
 
     private void Update()
     {