alysbrooks-public » games » isometric-park-fna

Location: alysbrooks-public/games/isometric-park-fna/FNA/src/GameComponentCollection.cs - annotation

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Commit Description:
Optimize PreserveCounts and only recalculate when needed....
Commit Description:
Optimize PreserveCounts and only recalculate when needed. Previously would recalculate preservecounts every Update call (~1 per frame), which isn't necessary when there's no tick. Might be some room to tweak, like doing these updates only when preserves change. Some measurements: This takes about 30ms versus the .25 ms with no preserve (then like .0002ms). When the map is filled up with preserve, about 35ms and 9ms. With a handful of cells, it's more like 0.8ms (before JIT optimizes most of it away).
References:
r589:842194b6bfa6 m6-tiles-and-trees
File last commit:
r0:e33f209de7e5 default
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FNA/src/GameComponentCollection.cs
102 lines | 2.5 KiB | text/x-csharp | CSharpLexer
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alys
Early working version (including all dependencies, lol).
 r0 #region License
/* FNA - XNA4 Reimplementation for Desktop Platforms
* Copyright 2009-2020 Ethan Lee and the MonoGame Team
*
* Released under the Microsoft Public License.
* See LICENSE for details.
*/
#endregion
#region Using Statements
using System;
using System.Collections.ObjectModel;
#endregion
namespace Microsoft.Xna.Framework
{
public sealed class GameComponentCollection : Collection<IGameComponent>
{
#region Events
/// <summary>
/// Event that is triggered when a <see cref="GameComponent"/> is added
/// to this <see cref="GameComponentCollection"/>.
/// </summary>
public event EventHandler<GameComponentCollectionEventArgs> ComponentAdded;
/// <summary>
/// Event that is triggered when a <see cref="GameComponent"/> is removed
/// from this <see cref="GameComponentCollection"/>.
/// </summary>
public event EventHandler<GameComponentCollectionEventArgs> ComponentRemoved;
#endregion
#region Protected Methods
/// <summary>
/// Removes every <see cref="GameComponent"/> from this <see cref="GameComponentCollection"/>.
/// Triggers <see cref="OnComponentRemoved"/> once for each <see cref="GameComponent"/> removed.
/// </summary>
protected override void ClearItems()
{
for (int i = 0; i < base.Count; i += 1)
{
this.OnComponentRemoved(new GameComponentCollectionEventArgs(base[i]));
}
base.ClearItems();
}
protected override void InsertItem(int index, IGameComponent item)
{
if (base.IndexOf(item) != -1)
{
throw new ArgumentException("Cannot Add Same Component Multiple Times");
}
base.InsertItem(index, item);
if (item != null)
{
this.OnComponentAdded(new GameComponentCollectionEventArgs(item));
}
}
protected override void RemoveItem(int index)
{
IGameComponent gameComponent = base[index];
base.RemoveItem(index);
if (gameComponent != null)
{
this.OnComponentRemoved(
new GameComponentCollectionEventArgs(gameComponent)
);
}
}
protected override void SetItem(int index, IGameComponent item)
{
throw new NotSupportedException();
}
#endregion
#region Private Methods
private void OnComponentAdded(GameComponentCollectionEventArgs eventArgs)
{
if (this.ComponentAdded != null)
{
this.ComponentAdded(this, eventArgs);
}
}
private void OnComponentRemoved(GameComponentCollectionEventArgs eventArgs)
{
if (this.ComponentRemoved != null)
{
this.ComponentRemoved(this, eventArgs);
}
}
#endregion
}
}