Refactored GraphWidget to LineGraphWidget
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Scott_NZ
188
OpenRA.Game/Widgets/LineGraphWidget.cs
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188
OpenRA.Game/Widgets/LineGraphWidget.cs
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#region Copyright & License Information
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/*
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* Copyright 2007-2011 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see COPYING.
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*/
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Linq;
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using OpenRA.FileFormats;
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namespace OpenRA.Widgets
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{
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public class LineGraphWidget : Widget
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{
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public Func<IEnumerable<LineGraphSeries>> GetSeries;
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public Func<string> GetValueFormat;
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public Func<string> GetXAxisValueFormat;
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public Func<string> GetYAxisValueFormat;
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public Func<int> GetXAxisSize;
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public Func<int> GetYAxisSize;
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public Func<string> GetXAxisLabel;
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public Func<string> GetYAxisLabel;
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public Func<bool> GetDisplayFirstYAxisValue;
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public Func<string> GetLabelFont;
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public Func<string> GetAxisFont;
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public string ValueFormat = "{0}";
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public string XAxisValueFormat = "{0}";
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public string YAxisValueFormat = "{0}";
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public int XAxisSize = 10;
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public int YAxisSize = 10;
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public string XAxisLabel = "";
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public string YAxisLabel = "";
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public bool DisplayFirstYAxisValue = false;
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public string LabelFont;
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public string AxisFont;
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public LineGraphWidget()
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: base()
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{
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GetValueFormat = () => ValueFormat;
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GetXAxisValueFormat = () => XAxisValueFormat;
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GetYAxisValueFormat = () => YAxisValueFormat;
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GetXAxisSize = () => XAxisSize;
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GetYAxisSize = () => YAxisSize;
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GetXAxisLabel = () => XAxisLabel;
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GetYAxisLabel = () => YAxisLabel;
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GetDisplayFirstYAxisValue = () => DisplayFirstYAxisValue;
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GetLabelFont = () => LabelFont;
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GetAxisFont = () => AxisFont;
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}
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protected LineGraphWidget(LineGraphWidget other)
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: base(other)
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{
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GetSeries = other.GetSeries;
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GetValueFormat = other.GetValueFormat;
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GetXAxisValueFormat = other.GetXAxisValueFormat;
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GetYAxisValueFormat = other.GetYAxisValueFormat;
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GetXAxisSize = other.GetXAxisSize;
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GetYAxisSize = other.GetYAxisSize;
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GetXAxisLabel = other.GetXAxisLabel;
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GetYAxisLabel = other.GetYAxisLabel;
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GetDisplayFirstYAxisValue = other.GetDisplayFirstYAxisValue;
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GetLabelFont = other.GetLabelFont;
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GetAxisFont = other.GetAxisFont;
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ValueFormat = other.ValueFormat;
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XAxisValueFormat = other.XAxisValueFormat;
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YAxisValueFormat = other.YAxisValueFormat;
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XAxisSize = other.XAxisSize;
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YAxisSize = other.YAxisSize;
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XAxisLabel = other.XAxisLabel;
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YAxisLabel = other.YAxisLabel;
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DisplayFirstYAxisValue = other.DisplayFirstYAxisValue;
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LabelFont = other.LabelFont;
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AxisFont = other.AxisFont;
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}
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public override void Draw()
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{
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if (GetSeries == null || !GetSeries().Any()
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|| GetLabelFont == null || GetLabelFont() == null
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|| GetAxisFont == null || GetAxisFont() == null)
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{
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return;
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}
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var rect = RenderBounds;
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var origin = new float2(rect.Left, rect.Bottom);
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var width = rect.Width;
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var height = rect.Height;
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Game.Renderer.LineRenderer.DrawLine(origin, origin + new float2(width, 0), Color.White, Color.White);
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Game.Renderer.LineRenderer.DrawLine(origin, origin + new float2(0, -height), Color.White, Color.White);
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Game.Renderer.LineRenderer.DrawLine(origin + new float2(width, 0), origin + new float2(width, -height), Color.White, Color.White);
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Game.Renderer.LineRenderer.DrawLine(origin + new float2(0, -height), origin + new float2(width, -height), Color.White, Color.White);
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var tiny = Game.Renderer.Fonts[GetLabelFont()];
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var bold = Game.Renderer.Fonts[GetAxisFont()];
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var xAxisSize = GetXAxisSize();
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var yAxisSize = GetYAxisSize();
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var xStep = width / xAxisSize;
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var yStep = height / yAxisSize;
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var actualNodeCount = GetSeries().First().Points.Count();
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var visibleNodeStart = Math.Max(0, actualNodeCount - xAxisSize);
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var visibleNodeEnd = Math.Max(actualNodeCount, xAxisSize);
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var maxValue = GetSeries().Select(p => p.Points).SelectMany(d => d).Max();
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var scale = 100 / maxValue * 3;
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//todo: make this stuff not draw outside of the RenderBounds
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for (int n = visibleNodeStart, x = 0; n <= visibleNodeEnd; n++, x += xStep)
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{
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Game.Renderer.LineRenderer.DrawLine(origin + new float2(x, 0), origin + new float2(x, -5), Color.White, Color.White);
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tiny.DrawText(GetXAxisValueFormat().F(n), origin + new float2(x, 2), Color.White);
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}
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bold.DrawText(GetXAxisLabel(), origin + new float2(width / 2, 20), Color.White);
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for (var y = (GetDisplayFirstYAxisValue() ? 0 : yStep); y <= height; y += yStep)
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{
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var value = y / scale;
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Game.Renderer.LineRenderer.DrawLine(origin + new float2(width - 5, -y), origin + new float2(width, -y), Color.White, Color.White);
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tiny.DrawText(GetYAxisValueFormat().F(value), origin + new float2(width + 2, -y), Color.White);
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}
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bold.DrawText(GetYAxisLabel(), origin + new float2(width + 40, -(height / 2)), Color.White);
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var keyOffset = 0;
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foreach (var series in GetSeries())
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{
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var key = series.Key;
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var color = series.Color;
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var points = series.Points;
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if (points.Any())
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{
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points = points.Reverse().Take(xAxisSize).Reverse();
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var scaledData = points.Select(d => d * scale);
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var x = 0;
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scaledData.Aggregate((a, b) =>
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{
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Game.Renderer.LineRenderer.DrawLine(
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origin + new float2(x, -a),
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origin + new float2(x + xStep, -b),
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color, color);
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x += xStep;
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return b;
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});
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var value = points.Last();
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if (value != 0)
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{
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var scaledValue = value * scale;
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tiny.DrawText(GetValueFormat().F(value), origin + new float2(x, -scaledValue - 2), color);
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}
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}
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tiny.DrawText(key, new float2(rect.Left, rect.Top) + new float2(5, 10 * keyOffset + 3), color);
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keyOffset++;
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}
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}
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public override Widget Clone()
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{
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return new LineGraphWidget(this);
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}
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}
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public class LineGraphSeries
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{
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public string Key;
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public Color Color;
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public IEnumerable<float> Points;
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public LineGraphSeries(string key, Color color, IEnumerable<float> points)
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{
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Key = key;
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Color = color;
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Points = points;
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}
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}
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}
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