EnemySpawnController: Simplify round callback

Assets/Scripts/Store/EnemySpawnController.cs

@@ -3,7 +3,7 @@ using System.Collections.Generic;
 using UnityEngine;
 using UnityEngine.UI;
 
-public class EnemySpawnController : MonoBehaviour, IRoundCallback
+public class EnemySpawnController : MonoBehaviour
 {
 
     [SerializeField] List<Opponent> enemyList;
@@ -13,7 +13,6 @@ public class EnemySpawnController : MonoBehaviour, IRoundCallback
     Dictionary<Opponent, Image> enemies = new Dictionary<Opponent, Image>();
 
     float mana;
-    bool running = false;
 
     Opponent activeSpawn;
     GameObject enemyImage;
@@ -30,12 +29,6 @@ public class EnemySpawnController : MonoBehaviour, IRoundCallback
         }
     }
 
-    private void Start()
-    {
-        RoundController.instance.roundCallbacks.Add(this);
-        OnRoundEnd();
-    }
-
     // Update is called once per frame
     void Update()
     {
@@ -77,7 +70,7 @@ public class EnemySpawnController : MonoBehaviour, IRoundCallback
     public void OnEnemyMouseDown(string enemyName)
     {
         SetEnemyToSpawnObject(enemyName);
-        if (StatsManager.instance.ModifyMana(-1 * (int)activeSpawn.enemyCost) && !running)
+        if (StatsManager.instance.ModifyMana(-1 * (int)activeSpawn.enemyCost) && !RoundController.instance.roundRunning)
         {
             dragObject.GetComponent<Image>().sprite = activeSpawn.EnemySprite;
             enemyImage = Instantiate(dragObject, GetPreviewWorldPosition(), Quaternion.identity, transform);
@@ -116,13 +109,4 @@ public class EnemySpawnController : MonoBehaviour, IRoundCallback
         return pos;
     }
 
-    public void OnRoundStart()
-    {
-        running = true;
-    }
-
-    public void OnRoundEnd()
-    {
-        running = false;
-    }
 }