Add items, Pickup logic works

Assets/Player/InteractionBehaviour.cs

@@ -0,0 +1,92 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.Video;
+
+[RequireComponent(typeof(MovementBehaviour))]
+public class InteractionBehaviour : MonoBehaviour, IObjectParentHolder {
+    // Start is called before the first frame update
+    private MovementBehaviour _movementBehaviour;
+
+    [SerializeField] private float _interactionDistance = 2.0f;
+
+    [SerializeField] private LayerMask _interactionLayer;
+
+    private EmptyCounter _lastInteractedObject = null;
+
+    public event EventHandler<OnSelectedCounterArgs> OnSelectedCounter;
+    
+    [SerializeField] private Transform _holdItemTransform;
+    private Object _heldObject;
+
+    public class OnSelectedCounterArgs : EventArgs {
+        public EmptyCounter selectedCounter;
+    }
+
+    void Start() {
+    }
+
+    void Awake() {
+        _movementBehaviour = GetComponent<MovementBehaviour>();
+    }
+
+    // Update is called once per frame
+    void Update() {
+    }
+
+    public void HandleInteraction() {
+        Vector2 inputVector = _movementBehaviour.desiredMovementDirection.normalized;
+        Vector3 moveDirection = new Vector3(inputVector.x, 0, inputVector.y);
+        Vector3 origin = transform.position;
+        origin.y += 0.5f; //slight offset so we dont go under the counters
+        RaycastHit hit;
+        Debug.DrawRay(origin, transform.forward * _interactionDistance, Color.red);
+        if (Physics.Raycast(origin, transform.forward, out hit, _interactionDistance, _interactionLayer)) {
+            if (hit.transform.TryGetComponent(out EmptyCounter emptyCounter)) {
+                if (_lastInteractedObject != hit.transform.gameObject) {
+                    SetSelectedCounter(emptyCounter);
+                }
+            }
+            else {
+                SetSelectedCounter(null);
+            }
+        }
+        else {
+            SetSelectedCounter(null);
+        }
+    }
+
+
+    public void Interact() {
+        if (_lastInteractedObject == null) return;
+        if (_lastInteractedObject.TryGetComponent(out EmptyCounter emptyCounter)) {
+            emptyCounter.Interact();
+        }
+    }
+
+    private void SetSelectedCounter(EmptyCounter selectedCounter) {
+        _lastInteractedObject = selectedCounter;
+        OnSelectedCounter?.Invoke(this, new OnSelectedCounterArgs { selectedCounter = _lastInteractedObject });
+    }
+
+    public Transform GetHolderTransform() {
+        return _holdItemTransform;
+    }
+
+    public void SetObject(Object obj) {
+        _heldObject = obj;
+    }
+
+    public Object GetObject() {
+        return _heldObject;
+    }
+
+    public void ClearObject() {
+        _heldObject = null;
+    }
+
+    public bool HasObject() {
+        return _heldObject != null;
+    }
+}