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added a test for element auto-area performance
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@ -1,4 +1,5 @@
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using System;
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using System.Diagnostics;
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using System.Linq;
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using Microsoft.Xna.Framework;
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using MLEM.Misc;
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@ -83,6 +84,28 @@ namespace Tests {
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Assert.AreEqual("custom", style.Value);
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}
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[Test]
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public void TestAutoAreaPerformance() {
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var stopwatch = new Stopwatch();
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for (var i = 1; i <= 100; i++) {
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var totalUpdates = 0;
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var main = new Group(Anchor.TopLeft, new Vector2(50)) {
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OnAreaUpdated = e => totalUpdates++
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};
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var group = main;
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for (var g = 0; g < i; g++) {
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group = group.AddChild(new Group(Anchor.TopLeft, Vector2.One) {
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OnAreaUpdated = e => totalUpdates++
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});
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}
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stopwatch.Restart();
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this.AddAndUpdate(main);
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stopwatch.Stop();
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var allChildren = main.GetChildren(regardGrandchildren: true);
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TestContext.WriteLine($"{allChildren.Count()} children, {totalUpdates} updates total, took {stopwatch.Elapsed.TotalMilliseconds * 1000000}ns");
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}
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}
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private void AddAndUpdate(Element element) {
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foreach (var root in this.game.UiSystem.GetRootElements())
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this.game.UiSystem.Remove(root.Name);
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