Start implementing graphs for the stats panel

2012-11-27 02:48:20 +13:00
parent ed9bb72dbe
commit b6e8c9c9ea
7 changed files with 215 additions and 37 deletions
--- a/OpenRA.Mods.RA/Widgets/ObserverStatsGraphWidget.cs
+++ b/OpenRA.Mods.RA/Widgets/ObserverStatsGraphWidget.cs
@@ -0,0 +1,91 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2011 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 System.Linq;
+using OpenRA.FileFormats;
+
+namespace OpenRA.Widgets
+{
+	public class ObserverStatsGraphWidget : Widget
+	{
+		public Func<IEnumerable<Pair<Player, IEnumerable<float>>>> GetDataSource = () => null;
+		public Func<float> GetDataScale = () => 1.0f;
+		public Func<string> GetLastValueFormat = () => "{0}";
+		public Func<int> GetNodeCount = () => 20;
+		public Func<int> GetNodeStep = () => 5;
+
+		public ObserverStatsGraphWidget() : base() { }
+
+		protected ObserverStatsGraphWidget(ObserverStatsGraphWidget other)
+			: base(other)
+		{
+			GetDataSource = other.GetDataSource;
+		}
+
+		public override void Draw()
+		{
+			var rect = RenderBounds;
+			var origin = new float2(rect.Left, rect.Bottom);
+			var basis = new float2(rect.Width / 100, rect.Height / 100);
+
+			Game.Renderer.LineRenderer.DrawLine(origin, origin + new float2(100, 0) * basis, Color.White, Color.White);
+			Game.Renderer.LineRenderer.DrawLine(origin, origin - new float2(0, 100) * basis, Color.White, Color.White);
+			Game.Renderer.LineRenderer.DrawLine(origin + new float2(100, 0) * basis, origin + new float2(100, -100) * basis, Color.White, Color.White);
+
+			var tinyBold = Game.Renderer.Fonts["TinyBold"];
+
+			var i = 0;
+			foreach (var pair in GetDataSource())
+			{
+				var player = pair.First;
+				var data = pair.Second.Reverse().Take(GetNodeCount()).Reverse();
+				var color = player.ColorRamp.GetColor(0);
+				if (data.Any())
+				{
+					var scale = GetDataScale();
+					var scaledData = data.Select(d => d * scale);
+					var n = 0;
+					var step = GetNodeStep();
+					scaledData.Aggregate((a, b) =>
+					{
+						Game.Renderer.LineRenderer.DrawLine(
+							origin + new float2(n, -a) * basis,
+							origin + new float2(n + step, -b) * basis,
+							color, color);
+						n += step;
+						return b;
+					});
+
+					var lastValue = data.Last();
+					if (lastValue != 0)
+					{
+						var scaledLastValue = lastValue * scale;
+						var lastValueFormat = GetLastValueFormat();
+						if (lastValueFormat != null)
+						{
+							tinyBold.DrawText(lastValueFormat.F(lastValue), origin + new float2(n, -scaledLastValue - 2) * basis, color);
+						}
+					}
+				}
+
+				tinyBold.DrawText(player.PlayerName, new float2(rect.Left, rect.Top) + new float2(5, 10 * i - 3), color);
+				i++;
+			}
+		}
+
+		public override Widget Clone()
+		{
+			return new ObserverStatsGraphWidget(this);
+		}
+	}
+}