Move FloatingText effect to Mods.Common

OpenRA.Mods.Common/Effects/FloatingText.cs

@@ -0,0 +1,59 @@
+#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.Effects;
+using OpenRA.Graphics;
+using OpenRA.Mods.Common.Graphics;
+
+namespace OpenRA.Mods.Common.Effects
+{
+	public class FloatingText : IEffect
+	{
+		readonly SpriteFont font;
+		readonly string text;
+		Color color;
+		int remaining;
+		WPos pos;
+
+		public FloatingText(WPos pos, Color color, string text, int duration)
+		{
+			this.font = Game.Renderer.Fonts["TinyBold"];
+			this.pos = pos;
+			this.color = color;
+			this.text = text;
+			this.remaining = duration;
+		}
+
+		static readonly WVec velocity = new WVec(0, 0, 86);
+		public void Tick(World world)
+		{
+			if (--remaining <= 0)
+				world.AddFrameEndTask(w => w.Remove(this));
+
+			pos += velocity;
+		}
+
+		public IEnumerable<IRenderable> Render(WorldRenderer wr)
+		{
+			if (wr.world.FogObscures(wr.world.Map.CellContaining(pos)))
+				yield break;
+
+			yield return new TextRenderable(font, pos, 0, color, text);
+		}
+
+		public static string FormatCashTick(int cashAmount)
+		{
+			return "{0}${1}".F(cashAmount < 0 ? "-" : "+", Math.Abs(cashAmount));
+		}
+	}
+}