Move ShroudPalette, ShroudRenderer and StartGameNotification to Common

Move World into Traits folder

OpenRA.Mods.Common/Traits/World/RadarPings.cs

@@ -0,0 +1,113 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2014 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation. For more information,
+ * see COPYING.
+ */
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common
+{
+	public class RadarPingsInfo : ITraitInfo
+	{
+		public readonly int FromRadius = 200;
+		public readonly int ToRadius = 15;
+		public readonly int ShrinkSpeed = 4;
+		public readonly float RotationSpeed = 0.12f;
+
+		public object Create(ActorInitializer init) { return new RadarPings(this); }
+	}
+
+	public class RadarPings : ITick
+	{
+		public readonly List<RadarPing> Pings = new List<RadarPing>();
+		readonly RadarPingsInfo info;
+
+		public WPos? LastPingPosition;
+
+		public RadarPings(RadarPingsInfo info)
+		{
+			this.info = info;
+		}
+
+		public void Tick(Actor self)
+		{
+			foreach (var ping in Pings.ToArray())
+				if (!ping.Tick())
+					Pings.Remove(ping);
+		}
+
+		public RadarPing Add(Func<bool> isVisible, WPos position, Color color, int duration)
+		{
+			var ping = new RadarPing(isVisible, position, color, duration,
+				info.FromRadius, info.ToRadius, info.ShrinkSpeed, info.RotationSpeed);
+
+			if (ping.IsVisible())
+				LastPingPosition = ping.Position;
+
+			Pings.Add(ping);
+
+			return ping;
+		}
+
+		public void Remove(RadarPing ping)
+		{
+			Pings.Remove(ping);
+		}
+	}
+
+	public class RadarPing
+	{
+		public Func<bool> IsVisible;
+		public WPos Position;
+		public Color Color;
+		public int Duration;
+		public int FromRadius;
+		public int ToRadius;
+		public int ShrinkSpeed;
+		public float RotationSpeed;
+
+		int radius;
+		float angle;
+		int tick;
+
+		public RadarPing(Func<bool> isVisible, WPos position, Color color, int duration,
+			int fromRadius, int toRadius, int shrinkSpeed, float rotationSpeed)
+		{
+			IsVisible = isVisible;
+			Position = position;
+			Color = color;
+			Duration = duration;
+			FromRadius = fromRadius;
+			ToRadius = toRadius;
+			ShrinkSpeed = shrinkSpeed;
+			RotationSpeed = rotationSpeed;
+
+			radius = fromRadius;
+		}
+
+		public bool Tick()
+		{
+			if (++tick == Duration)
+				return false;
+
+			radius = Math.Max(radius - ShrinkSpeed, ToRadius);
+			angle -= RotationSpeed;
+			return true;
+		}
+
+		public IEnumerable<float2> Points(float2 center)
+		{
+			yield return center + radius * float2.FromAngle(angle);
+			yield return center + radius * float2.FromAngle((float)(angle + 2 * Math.PI / 3));
+			yield return center + radius * float2.FromAngle((float)(angle + 4 * Math.PI / 3));
+		}
+	}
+}