can interact if player has tool selected (in hand))

Assets/Scripts/Inventory/FoodItem.cs

@@ -7,4 +7,9 @@ public class FoodItem : Item
     public int health;
     public int water;
     public int regeneration;
+
+    public override void OnSelect()
+    {
+        throw new System.NotImplementedException();
+    }
 }

Assets/Scripts/Inventory/Inventory.cs

@@ -25,6 +25,7 @@ public class Inventory : MonoBehaviour
     public delegate void OnItemChanged();
     public OnItemChanged onItemChangedCallback; // 
 
+    [SerializeField]
     List<Slot> inventory = new List<Slot>();
 
     public List<Slot> getInventory { get => inventory;}
@@ -33,7 +34,6 @@ public class Inventory : MonoBehaviour
         // Initializes the inventory with a specific number of slots and slotsize.
         // !!!Has to be called bevore adding any items!!!
         // Example createEmptyInventory(5, 10) : 5 Slots with space for 10 items each
-        inventory = new List<Slot>();
         for (int i = 0; i < numberOfSlots; i++)
         {
             inventory.Add(new Slot(maxSpaceOfSlots));

Assets/Scripts/Inventory/InventoryController.cs

@@ -6,15 +6,20 @@ public class InventoryController : MonoBehaviour
 {
     [SerializeField] Item item1;// not needed
     [SerializeField] Item item2;// not needed
+    public Item selectedItem;
+
+    Item testItem;
     public Inventory inventory;
     [SerializeField] UI_Inventory uiInventory;
     private void Awake()
     {
         inventory = transform.GetComponent<Inventory>();
         inventory.createEmptyInventory(8,10);
-        
+
+        testItem = Instantiate(item1);
+
         inventory.addItemAt(0, item1, 8);
-        inventory.addItemAt(0, item1, 1);
+        inventory.addItemAt(0, testItem, 1);
         inventory.addItemAt(3, item2, 15);
         inventory.addItemAt(4, item1, 3);
 
@@ -24,7 +29,9 @@ public class InventoryController : MonoBehaviour
         Debug.Log(inventory.removeItemAt(0, 10));
         Debug.Log(inventory.getInventory[0].Count);
         */ 
-        uiInventory.setInventory(inventory);
+
+
+       // uiInventory.setInventory(inventory);
     }
     void Start()
     {
@@ -34,6 +41,14 @@ public class InventoryController : MonoBehaviour
     // Update is called once per frame
     void Update()
     {
-
+        // FOR DEBUG
+        if (Input.GetKeyDown(KeyCode.X))
+        {
+            testItem.Select();
+            if(testItem.isSelected)
+                selectedItem = testItem;
+            else
+                selectedItem = null;                   
+        }
     }
 }

Assets/Scripts/Inventory/Item.cs

@@ -3,10 +3,19 @@ using System.Collections.Generic;
 using UnityEngine;
 
 [CreateAssetMenu(fileName = "Item", menuName = "Items/Item", order = 1)]
-public class Item : ScriptableObject
+public abstract class Item : ScriptableObject
 {
     public new string name;
     public int id;
     public bool isStackable;
     public Sprite sprite;
+    public bool isSelected;
+
+    public abstract void OnSelect();
+
+    public void Select()
+    {
+        isSelected = !isSelected;
+        OnSelect();
+    }
 }

Assets/Scripts/Inventory/Items/Tools.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 07c440f0b142b6c43818e32e4a43686c
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/Inventory/Items/Tools/Stick.asset

@@ -0,0 +1,20 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!114 &11400000
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 0}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: c9a450f431b33414ab3a1f3b08250700, type: 3}
+  m_Name: Stick
+  m_EditorClassIdentifier: 
+  name: stick
+  id: 10
+  isStackable: 0
+  sprite: {fileID: 21300000, guid: 8994265d0b3152b4cb238bdf03e8d440, type: 3}
+  isSelected: 0
+  toolType: 0

Assets/Scripts/Inventory/Items/Tools/Stick.asset.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: cada8a20c35f0bd4a93d92e1152e5625
+NativeFormatImporter:
+  externalObjects: {}
+  mainObjectFileID: 11400000
+  userData: 
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Assets/Scripts/Inventory/ResourceItem.cs

@@ -0,0 +1,11 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+[CreateAssetMenu(fileName = "FoodItem", menuName = "Items/FoodItem", order = 2)]
+public class ResourceItem : Item
+{
+    public override void OnSelect()
+    {
+        throw new System.NotImplementedException();
+    }
+}

Assets/Scripts/Inventory/ResourceItem.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 0fae7bba50a98204883e78d8d6c96fc2
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
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+  userData: 
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Assets/Scripts/Inventory/ToolItem.cs

@@ -0,0 +1,26 @@
+using UnityEngine;
+
+[CreateAssetMenu(fileName = "ToolItem", menuName = "Items/Tool", order = 2)]
+public class ToolItem : Item
+{
+    
+
+    public ToolType toolType;
+    float durability = 1f;
+
+    SpriteRenderer playerHandSpriteRenderer;
+
+    public override void OnSelect()
+    {
+        playerHandSpriteRenderer = GameObject.Find("Player").transform.Find("Hand").gameObject.GetComponent<SpriteRenderer>();
+        if (isSelected)
+        {
+            playerHandSpriteRenderer.GetComponent<SpriteRenderer>().sprite = sprite;
+        }
+        else
+        {
+            playerHandSpriteRenderer.GetComponent<SpriteRenderer>().sprite = null;
+        }
+        
+    }
+}

Assets/Scripts/Inventory/ToolItem.cs.meta

@@ -0,0 +1,11 @@
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+guid: c9a450f431b33414ab3a1f3b08250700
+MonoImporter:
+  externalObjects: {}
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+  defaultReferences: []
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Assets/Scripts/Inventory/ToolType.cs

@@ -0,0 +1,11 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public enum ToolType
+{
+    AXE,
+    PICKAXE,
+    HOE,
+}
+

Assets/Scripts/Inventory/ToolType.cs.meta

@@ -0,0 +1,11 @@
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+guid: 4f9fcb5700fbcfa4d93940e88f197200
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