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#region License
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/* FNA - XNA4 Reimplementation for Desktop Platforms
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* Copyright 2009-2020 Ethan Lee and the MonoGame Team
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*
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* Released under the Microsoft Public License.
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* See LICENSE for details.
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*/
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#endregion
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#region Using Statements
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using System;
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#endregion
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namespace Microsoft.Xna.Framework
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{
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public class GameComponent : IGameComponent, IUpdateable, IComparable<GameComponent>, IDisposable
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{
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#region Public Properties
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public Game Game
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{
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get;
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private set;
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}
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public bool Enabled
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{
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get
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{
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return _enabled;
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}
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set
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{
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if (_enabled != value)
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{
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_enabled = value;
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if (this.EnabledChanged != null)
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{
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this.EnabledChanged(this, EventArgs.Empty);
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}
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OnEnabledChanged(this, null);
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}
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}
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}
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public int UpdateOrder
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{
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get
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{
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return _updateOrder;
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}
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set
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{
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if (_updateOrder != value)
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{
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_updateOrder = value;
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if (this.UpdateOrderChanged != null)
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{
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this.UpdateOrderChanged(this, EventArgs.Empty);
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}
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OnUpdateOrderChanged(this, null);
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}
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}
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}
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#endregion
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#region Private Variables
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bool _enabled = true;
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int _updateOrder;
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#endregion
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#region Events
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public event EventHandler<EventArgs> Disposed;
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public event EventHandler<EventArgs> EnabledChanged;
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public event EventHandler<EventArgs> UpdateOrderChanged;
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#endregion
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#region Public Constructors
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public GameComponent(Game game)
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{
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this.Game = game;
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}
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#endregion
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#region Deconstructor
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~GameComponent()
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{
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Dispose(false);
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}
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#endregion
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#region Public Dispose Method
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/// <summary>
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/// Shuts down the component.
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/// </summary>
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public void Dispose()
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{
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Dispose(true);
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GC.SuppressFinalize(this);
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}
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#endregion
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#region Public Virtual Methods
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public virtual void Initialize() {}
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public virtual void Update(GameTime gameTime) {}
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#endregion
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#region Protected Virtual Methods
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protected virtual void OnUpdateOrderChanged(object sender, EventArgs args) {}
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protected virtual void OnEnabledChanged(object sender, EventArgs args) {}
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/// <summary>
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/// Shuts down the component.
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/// </summary>
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protected virtual void Dispose(bool disposing)
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{
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if (disposing && Disposed != null)
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{
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Disposed(this, EventArgs.Empty);
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}
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}
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#endregion
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#region IComparable<GameComponent> Members
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int IComparable<GameComponent>.CompareTo(GameComponent other)
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{
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return other.UpdateOrder - this.UpdateOrder;
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}
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#endregion
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}
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}
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