Move TextRenderable into Mods.RA.

OpenRA.Mods.RA/Graphics/TextRenderable.cs

@@ -0,0 +1,61 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2013 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.Drawing;
+using OpenRA.Graphics;
+
+namespace OpenRA.Mods.RA.Graphics
+{
+	public struct TextRenderable : IRenderable
+	{
+		readonly SpriteFont font;
+		readonly WPos pos;
+		readonly int zOffset;
+		readonly Color color;
+		readonly string text;
+
+		public TextRenderable(SpriteFont font, WPos pos, int zOffset, Color color, string text)
+		{
+			this.font = font;
+			this.pos = pos;
+			this.zOffset = zOffset;
+			this.color = color;
+			this.text = text;
+		}
+
+		public WPos Pos { get { return pos; } }
+		public float Scale { get { return 1f; } }
+		public PaletteReference Palette { get { return null; } }
+		public int ZOffset { get { return zOffset; } }
+		public bool IsDecoration { get { return true; } }
+
+		public IRenderable WithScale(float newScale) { return new TextRenderable(font, pos, zOffset, color, text); }
+		public IRenderable WithPalette(PaletteReference newPalette) { return new TextRenderable(font, pos, zOffset, color, text); }
+		public IRenderable WithZOffset(int newOffset) { return new TextRenderable(font, pos, zOffset, color, text); }
+		public IRenderable OffsetBy(WVec vec) { return new TextRenderable(font, pos + vec, zOffset, color, text); }
+		public IRenderable AsDecoration() { return this; }
+
+		public void BeforeRender(WorldRenderer wr) {}
+		public void Render(WorldRenderer wr)
+		{
+			var screenPos = wr.Viewport.Zoom*(wr.ScreenPosition(pos) - wr.Viewport.TopLeft.ToFloat2()) - 0.5f*font.Measure(text).ToFloat2();
+			var screenPxPos = new float2((float)Math.Round(screenPos.X), (float)Math.Round(screenPos.Y));
+			font.DrawTextWithContrast(text, screenPxPos, color, Color.Black, 1);
+		}
+
+		public void RenderDebugGeometry(WorldRenderer wr)
+		{
+			var size = font.Measure(text).ToFloat2();
+			var offset = wr.ScreenPxPosition(pos) - 0.5f*size;
+			Game.Renderer.WorldLineRenderer.DrawRect(offset, offset + size, Color.Red);
+		}
+	}
+}