Weapon

Assets/Scripts/Weapons/WeaponManager.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class WeaponManager : MonoBehaviour
+{
+    public int currentWeaponIndex = 0;
+    public List<GameObject> allWeapons = new List<GameObject>();
+    public GameObject[] activeWeapons;
+
+    [SerializeField] GameObject cam;
+
+    private void Awake()
+    {
+        activeWeapons = new GameObject[4];
+    }
+
+    void Update() { 
+        if(Input.GetAxis("Mouse ScrollWheel") > 0f){ // Scroll up
+            if (currentWeaponIndex <= 0) 
+            { currentWeaponIndex = activeWeapons.Length; }
+            else { currentWeaponIndex--; }
+        }
+        if (Input.GetAxis("Mouse ScrollWheel") < 0f){ // Scroll down
+            if (currentWeaponIndex >= activeWeapons.Length) 
+            { currentWeaponIndex = 0; }
+            else {  currentWeaponIndex++; }
+        }
+        if (Input.GetButton("Interact")) // e
+        { 
+            if (Physics.Raycast(cam.transform.position, cam.transform.forward, out RaycastHit hit))
+            {
+                Debug.DrawLine(cam.transform.position, hit.point);
+                if (allWeapons.Contains(hit.transform.gameObject) && !searchInArray(activeWeapons, hit.transform.gameObject)) // If Object is a weapon and the weapon is not in the current active weapons
+                {
+                    switch (hit.transform.GetComponent<Weapon>().WeaponKind.ToString()) // Adding weapon to inventory slot
+                    {
+                        case "Rifle": activeWeapons[0] = hit.transform.gameObject; break;
+                        case "Pistole": activeWeapons[1] = hit.transform.gameObject; break;
+                        case "Knife": activeWeapons[2] = hit.transform.gameObject; break;
+                        case "Granade": activeWeapons[3] = hit.transform.gameObject; break;
+                        default: break;
+                    }                    
+                }                
+            }
+        }
+        if (Input.GetButton("Drop")) // q Droping weapon
+        {
+            activeWeapons[currentWeaponIndex] = null;
+        }
+    }
+
+
+    private bool searchInArray(GameObject[] arr, GameObject searchObj)
+    {
+        foreach(GameObject obj in arr)
+        {
+            if (obj == searchObj) return true;
+        }
+        return false;
+    }
+
+}