Add support for custom mission timers: UserInterfaceGlobal

OpenRA.Mods.Common/Scripting/Global/UserInterfaceGlobal.cs

@@ -0,0 +1,35 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2015 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.Drawing;
+using OpenRA.Graphics;
+using OpenRA.Mods.Common.Widgets;
+using OpenRA.Scripting;
+using OpenRA.Widgets;
+
+namespace OpenRA.Mods.Common.Scripting.Global
+{
+	[ScriptGlobal("UserInterface")]
+	public class UserInterfaceGlobal : ScriptGlobal
+	{
+		public UserInterfaceGlobal(ScriptContext context)
+			: base(context) { }
+
+		[Desc("Displays a text message at the top center of the screen.")]
+		public void SetMissionText(string text, HSLColor? color = null)
+		{
+			var luaLabel = Ui.Root.Get("INGAME_ROOT").Get<LabelWidget>("MISSION_TEXT");
+			luaLabel.GetText = () => text;
+
+			Color c = color.HasValue ? HSLColor.RGBFromHSL(color.Value.H / 255f, color.Value.S / 255f, color.Value.L / 255f) : Color.White;
+			luaLabel.GetColor = () => c;
+		}
+	}
+}