From ab2df3864351e775981d59b47193b4477aac1169 Mon Sep 17 00:00:00 2001
From: Mikkel Bybjerg <mikkel.bybjerg@hotmail.com>
Date: Fri, 26 Apr 2019 20:31:54 +0200
Subject: Add spawn timeline

---
 nGJ2019/Assets/Scripts/EventTimeline.cs | 52 +++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 nGJ2019/Assets/Scripts/EventTimeline.cs

diff --git a/nGJ2019/Assets/Scripts/EventTimeline.cs b/nGJ2019/Assets/Scripts/EventTimeline.cs
new file mode 100644
index 0000000..c6f2c24
--- /dev/null
+++ b/nGJ2019/Assets/Scripts/EventTimeline.cs
@@ -0,0 +1,52 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+
+public class EventTimeline
+{
+	public enum SpawnEventType {wall, enemy};
+	
+    public class SpawnEvent
+	{
+		public float time;
+		public float height;
+		public SpawnEventType type;
+		
+		public SpawnEvent(float time, float height, SpawnEventType type)
+		{
+			this.time = time;
+			this.height = height;
+			this.type = type;
+		}
+	}
+	
+	public event Action<SpawnEvent> OnSpawnEvent;
+	
+	private List<SpawnEvent> futureEvents;
+	private float currentTime;
+	
+	public EventTimeline()
+	{
+		futureEvents = new List<SpawnEvent>();
+		currentTime = 0;
+	}
+	
+	public void Add(float time, float height, SpawnEventType type)
+	{
+		futureEvents.Add(new SpawnEvent(time, height, type));
+		futureEvents.Sort((x,y) => x.time.CompareTo(y.time));
+	}
+	
+	public void timeTick(float deltaTime)
+	{
+		currentTime += deltaTime;
+		
+		while(futureEvents.Count > 0 && currentTime > futureEvents[0].time)
+		{
+			SpawnEvent e = futureEvents[0];
+			futureEvents.RemoveAt(0);
+			if(OnSpawnEvent != null)
+				OnSpawnEvent(e);
+		}
+	}
+}
-- 
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