add: functional riffle and inventory for bullets

Assets/Scripts/Player/Rifle.cs

@@ -0,0 +1,21 @@
+using UnityEngine;
+
+public class Rifle : Weapon
+{
+    public GameObject projectilePrefab;
+    public Transform spawnPosition;
+    public float fireRate = 3f;
+
+    [SerializeField] float currentDelay = 0;
+
+    public override void Shoot(bool keyDown, bool keyHold) {
+        if (keyHold && (fireRate == 0 || currentDelay >= 1 / fireRate) && GameController.i.ConsumeBullet(BulletType.Rifle)) {
+            Instantiate(projectilePrefab, spawnPosition.position, spawnPosition.rotation);
+            currentDelay = 0;
+        }
+    }
+
+    void Update() {
+        if (fireRate != 0) currentDelay = Mathf.Clamp(currentDelay += Time.deltaTime, 0, 1 / fireRate);
+    }
+}

Assets/Scripts/Player/Rifle.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 4cc7bc1baad25a9459ee673b6d502363

Assets/Scripts/Player/WeaponController.cs

@@ -9,11 +9,12 @@ public class WeaponController : MonoBehaviour
 
     void Start() {
         weapons = GetComponentsInChildren<Weapon>();
-        if (weapons.Length > currentWeapon) weapons[currentWeapon].SetWeaponState(true);
+        for (int i = 0; i < weapons.Length; ++i) weapons[i].SetWeaponState(i == currentWeapon);
     }
 
     void Update() {
-        ChangeActiveWeapon((currentWeapon + (int)Input.mouseScrollDelta.y) % weapons.Length);
+        if (weapons.Length == 0) return;
+        ChangeActiveWeapon((currentWeapon + (int)Input.mouseScrollDelta.y + weapons.Length) % weapons.Length);
         CheckButtonsForChangeWeapon();
         if (Input.GetMouseButton(0) && weapons[currentWeapon].isActive) weapons[currentWeapon].Shoot(Input.GetMouseButtonDown(0), Input.GetMouseButton(0));
     }
@@ -28,7 +29,7 @@ public class WeaponController : MonoBehaviour
     void ChangeActiveWeapon(int ind) {
         if (ind < 0 || ind >= weapons.Length || ind == currentWeapon) return;
         weapons[currentWeapon].SetWeaponState(false);
-        weapons[ind].SetWeaponState(false);
+        weapons[ind].SetWeaponState(true);
         currentWeapon = ind;
     }
 }