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Improved CopyExtensions construction speed
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3 changed files with 17 additions and 13 deletions
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@ -45,6 +45,7 @@ Additions
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Improvements
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- Improved RawContentManager's reader loading and added better exception handling
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- Improved CopyExtensions construction speed
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## 5.0.0
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### MLEM
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@ -1,4 +1,5 @@
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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@ -9,6 +10,7 @@ namespace MLEM.Data {
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public static class CopyExtensions {
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private const BindingFlags DefaultFlags = BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic;
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private static readonly Dictionary<Type, ConstructorInfo> ConstructorCache = new Dictionary<Type, ConstructorInfo>();
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/// <summary>
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/// Creates a shallow copy of the object and returns it.
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@ -85,17 +87,20 @@ namespace MLEM.Data {
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}
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private static object Construct(Type t, BindingFlags flags) {
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var constructors = t.GetConstructors(flags);
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// find a contructor with the correct attribute
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var constructor = constructors.FirstOrDefault(c => c.GetCustomAttribute<CopyConstructorAttribute>() != null);
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// find a parameterless construcotr
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if (constructor == null)
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constructor = t.GetConstructor(flags, null, Type.EmptyTypes, null);
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// fall back to the first constructor
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if (constructor == null)
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constructor = constructors.FirstOrDefault();
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if (constructor == null)
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throw new NullReferenceException($"Type {t} does not have a constructor with the required visibility");
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if (!ConstructorCache.TryGetValue(t, out var constructor)) {
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var constructors = t.GetConstructors(flags);
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// find a contructor with the correct attribute
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constructor = constructors.FirstOrDefault(c => c.GetCustomAttribute<CopyConstructorAttribute>() != null);
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// find a parameterless construcotr
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if (constructor == null)
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constructor = t.GetConstructor(flags, null, Type.EmptyTypes, null);
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// fall back to the first constructor
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if (constructor == null)
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constructor = constructors.FirstOrDefault();
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if (constructor == null)
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throw new NullReferenceException($"Type {t} does not have a constructor with the required visibility");
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ConstructorCache.Add(t, constructor);
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}
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return constructor.Invoke(new object[constructor.GetParameters().Length]);
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}
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@ -1,8 +1,6 @@
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using System.Text;
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using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Graphics;
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using MLEM.Extensions;
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using MLEM.Font;
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namespace MLEM.Ui.Style {
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/// <summary>
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