added endscreen

Assets/Code/UI/GameUI.cs

@@ -45,7 +45,7 @@ namespace Code.UI
 
         private void UpdateWeaponName()
         {
-            if (weaponNameText == null || _weaponInventory?.CurrentWeapon == null) return;
+            if (!weaponNameText || !_weaponInventory?.CurrentWeapon) return;
 
             var weaponName = _weaponInventory.CurrentWeapon.WeaponName;
             weaponNameText.text = string.Format(weaponNameFormat, weaponName.ToUpper());
@@ -53,7 +53,7 @@ namespace Code.UI
 
         private void UpdateHealth()
         {
-            if (healthText == null || _playerHealth == null) return;
+            if (!healthText || !_playerHealth) return;
             
             healthText.text = string.Format(healthFormat, 
                 _playerHealth.CurrentHealth, 
@@ -62,13 +62,13 @@ namespace Code.UI
         
         private void UpdateHealth(float current, float max)
         {
-            if (healthText == null) return;
+            if (!healthText) return;
             healthText.text = string.Format(healthFormat, current, max);
         }
 
         private void UpdateAmmo()
         {
-            if (ammoText == null || _weaponInventory?.CurrentWeapon == null) return;
+            if (!ammoText || !_weaponInventory?.CurrentWeapon) return;
             
             var weapon = _weaponInventory.CurrentWeapon;
             ammoText.text = string.Format(ammoFormat,