alotta upgrade stuff but no upgrades

Assets/Scripts/Abilities/AbilityHotbarIcon.cs

@@ -0,0 +1,40 @@
+using System;
+using TMPro;
+using UnityEngine;
+
+public class AbilityHotbarIcon : MonoBehaviour
+{
+    [SerializeField] private GameObject overlay;
+    [SerializeField] private TextMeshProUGUI cooldownText;
+    [SerializeField] private TextMeshProUGUI text;
+    private bool onCooldown;
+    private PlayerAbility thisAbility;
+
+    private void Update()
+    {
+        if (onCooldown)
+        {
+            cooldownText.text = thisAbility.currentCooldown.ToString("F2");
+            if (thisAbility.currentCooldown <= 0)
+            {
+                onCooldown = false;
+                overlay.SetActive(false);
+            }
+        }
+    }
+
+    public void UpdateCooldown()
+    {
+        if (thisAbility.currentCooldown > 0)
+        {
+            onCooldown = true;
+            overlay.SetActive(true);
+        }
+    }
+
+    public void UpdateAbility(PlayerAbility ability)
+    {
+        thisAbility = ability;
+        text.text = thisAbility.abilityName;
+    }
+}