1 files changed, 80 insertions, 0 deletions
diff --git a/DragonDust/Assets/Scripts/EventTimeline.cs b/DragonDust/Assets/Scripts/EventTimeline.cs
new file mode 100644
index 0000000..465815c
--- /dev/null
+++ b/DragonDust/Assets/Scripts/EventTimeline.cs
@@ -0,0 +1,80 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class EventTimeline
+{
+	public class SpawnEvent
+	{
+		public float time;
+		public Vector3 position;
+		public ObstacleType type;
+		
+		public SpawnEvent(float time, Vector3 position, ObstacleType type)
+		{
+			this.time = time;
+			this.position = position;
+			this.type = type;
+		}
+	}
+
+    public class MessageEvent
+    {
+        public float time;
+        public String message;
+
+        public MessageEvent(float time, String message)
+        {
+            this.time = time;
+            this.message = message;
+        }
+    }
+	
+	public event Action<SpawnEvent> OnSpawnEvent;
+    public event Action<MessageEvent> OnMessageEvent;
+	
+	private List<SpawnEvent> futureEvents;
+    private List<MessageEvent> futureMessages;
+	private float currentTime;
+	
+	public EventTimeline()
+	{
+		futureEvents = new List<SpawnEvent>();
+        futureMessages = new List<MessageEvent>();
+		currentTime = 0;
+	}
+	
+	public void Add(float time, Vector3 position, ObstacleType type)
+	{
+		futureEvents.Add(new SpawnEvent(time, position, type));
+		futureEvents.Sort((x,y) => x.time.CompareTo(y.time));
+	}
+
+    public void Add(float time, String message)
+    {
+        futureMessages.Add(new MessageEvent(time, message));
+        futureMessages.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);
+		}
+
+        while(futureMessages.Count > 0 && currentTime > futureMessages[0].time)
+        {
+            MessageEvent m = futureMessages[0];
+            futureMessages.RemoveAt(0);
+            if(OnMessageEvent != null)
+                OnMessageEvent(m);
+        }
+	}
+}