From 2d8277f4137868e91d620e24d881fc4c63c092f5 Mon Sep 17 00:00:00 2001
From: HoutarouOreki <TheZjarek@gmail.com>
Date: Thu, 26 Jul 2018 17:02:51 +0200
Subject: [PATCH] Plotting the chart 1

---
 osu.Game/Overlays/Changelog/ChangelogChart.cs | 54 ++++++++++++++++---
 1 file changed, 46 insertions(+), 8 deletions(-)

diff --git a/osu.Game/Overlays/Changelog/ChangelogChart.cs b/osu.Game/Overlays/Changelog/ChangelogChart.cs
index d965651e27..0141a3b3e1 100644
--- a/osu.Game/Overlays/Changelog/ChangelogChart.cs
+++ b/osu.Game/Overlays/Changelog/ChangelogChart.cs
@@ -3,13 +3,16 @@
 
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
+using osu.Framework.Graphics.Colour;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.Graphics.Sprites;
+using osu.Framework.Logging;
 using osu.Game.Graphics;
 using osu.Game.Online.API;
 using osu.Game.Online.API.Requests;
 using osu.Game.Online.API.Requests.Responses;
+using System;
 
 namespace osu.Game.Overlays.Changelog
 {
@@ -19,7 +22,7 @@ namespace osu.Game.Overlays.Changelog
         private const float transition_duration = 300;
 
         // why make the child buffered? https://streamable.com/swbdj
-        private readonly BufferedContainer container;
+        private readonly Container container;
         private readonly Box background;
         private APIAccess api;
 
@@ -27,17 +30,17 @@ namespace osu.Game.Overlays.Changelog
         {
             RelativeSizeAxes = Axes.X;
             AutoSizeAxes = Axes.Y;
-            Child = container = new BufferedContainer
+            Child = container = new Container
             {
                 RelativeSizeAxes = Axes.X,
                 Height = height,
                 Children = new Drawable[]
                 {
-                    background = new Box
-                    {
-                        Colour = OsuColour.Gray(0),
-                        RelativeSizeAxes = Axes.Both,
-                    },
+                    //background = new Box
+                    //{
+                    //    Colour = OsuColour.Gray(0),
+                    //    RelativeSizeAxes = Axes.Both,
+                    //},
                     new SpriteText
                     {
                         Text = "Graph Placeholder",
@@ -63,8 +66,8 @@ namespace osu.Game.Overlays.Changelog
         {
             if (!isEmpty(chartInfo))
             {
-                background.Colour = StreamColour.FromStreamName(updateStreamName);
                 container.MoveToY(0, transition_duration, Easing.InOutQuad).FadeIn(transition_duration);
+                plotChart(chartInfo, StreamColour.FromStreamName(updateStreamName));
             }
             else
                 container.MoveToY(-height, transition_duration, Easing.InOutQuad).FadeOut(transition_duration);
@@ -89,5 +92,40 @@ namespace osu.Game.Overlays.Changelog
             req.Success += res => showChart(res);
             api.Queue(req);
         }
+
+        // this could probably be combined with isEmpty, todo
+        private float getMaxUserCount(APIChangelogChart changelogChartInfo)
+        {
+            var maxUserCount = 0l;
+            foreach (BuildHistory build in changelogChartInfo.BuildHistory)
+            {
+                if (build.UserCount > maxUserCount)
+                    maxUserCount = build.UserCount;
+            }
+            return maxUserCount;
+        }
+
+        private void plotChart(APIChangelogChart changelogChartInfo, ColourInfo colour)
+        {
+            var maxUserCount = getMaxUserCount(changelogChartInfo);
+            var currentPos = 0f;
+
+            container.Clear();
+
+            foreach (BuildHistory build in changelogChartInfo.BuildHistory)
+            {
+                container.Add(new Box
+                {
+                    RelativeSizeAxes = Axes.Y,
+                    Width = Math.Max(container.DrawWidth / changelogChartInfo.BuildHistory.Count, 2),
+                    Height = build.UserCount / maxUserCount,
+                    X = currentPos,
+                    Colour = colour,
+                    Anchor = Anchor.BottomLeft,
+                    Origin = Anchor.BottomLeft,
+                });
+                currentPos += container.DrawWidth / changelogChartInfo.BuildHistory.Count;
+            }
+        }
     }
 }