Added start, autoplay, Next buttons support

Assets/Scripts/Manager/EnemySpawnManager.cs

@@ -2,9 +2,13 @@ using System.Collections;
 using System.Collections.Generic;
 using System.Linq;
 using UnityEngine;
+using UnityEngine.UI;
 
 public class EnemySpawnManager : MonoBehaviour
 {
+    public bool HasStarted = false;
+    public bool IsAutoPlaying = false;
+
     private float time = 0f;
     [SerializeField] private LevelDefinition levelDefinition;
     [SerializeField] private EnemyCollection enemyCollection;
@@ -12,11 +16,41 @@ public class EnemySpawnManager : MonoBehaviour
     [SerializeField] private WaypointPath groundPath;
     [SerializeField] private WaypointPath skyPath;
 
+    [Header("Buttons")]
+
+    [SerializeField] private Button StartButton;
+    [SerializeField] private Button NextButton;
+    [SerializeField] private Button AutoPlayButton;
+
     private Queue<Wave> waveQueue;
 
     private void Awake()
     {
         waveQueue = new Queue<Wave>(levelDefinition.Waves);
+
+        if (StartButton != null)
+            StartButton.onClick.AddListener(OnStartButtonClicked);
+        if (NextButton != null)
+            NextButton.onClick.AddListener(OnNextButtonClicked);
+        if (AutoPlayButton != null)
+            AutoPlayButton.onClick.AddListener(ToggleAutoPlayClicked);
+    }
+
+    public void OnStartButtonClicked()
+    {
+        HasStarted = true;
+        PopWave();
+    }
+
+    public void OnNextButtonClicked()
+    {
+        time = waveQueue.Peek().spawnTime;
+        PopWave();
+    }
+
+    public void ToggleAutoPlayClicked()
+    {
+        IsAutoPlaying = !IsAutoPlaying;
     }
 
     void Update()
@@ -26,7 +60,8 @@ public class EnemySpawnManager : MonoBehaviour
             return;
         }
 
-        time += Time.deltaTime;
+        if (HasStarted && IsAutoPlaying)
+            time += Time.deltaTime;
 
         if (waveQueue.Peek().spawnTime < time)
         {