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994 lines
32 KiB
C#
994 lines
32 KiB
C#
#region --- License ---
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/* Copyright (c) 2006, 2007 Stefanos Apostolopoulos
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* See license.txt for license info
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*/
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Diagnostics;
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using OpenTK.Platform;
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using OpenTK.Input;
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using System.Threading;
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using OpenTK.OpenGL;
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namespace OpenTK
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{
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/// <summary>
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/// The GameWindow class contains cross-platform methods to create and render on an OpenGL window, handle input and load resources.
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/// </summary>
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/// <remarks>
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/// GameWindow contains several events you can hook or override to add your custom logic:
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/// <list>
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/// <item>OnLoad: Occurs after creating the OpenGL context, but before entering the main loop. Override to load resources.</item>
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/// <item>OnResize: Occurs whenever GameWindow is resized. You should update the OpenGL Viewport and Projection Matrix here.</item>
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/// <item>OnUpdateFrame: Occurs at the specified logic update rate. Override to add your game logic.</item>
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/// <item>OnRenderFrame: Occurs at the specified frame render rate. Override to add your rendering code.</item>
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/// </list>
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/// Call the Run() method to start the application's main loop. Run(double, double) takes two parameters that
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/// specify the logic update rate, and the render update rate.
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/// </remarks>
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public class GameWindow : IGameWindow
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{
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#region --- Fields ---
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INativeGLWindow glWindow;
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DisplayMode mode;
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ResizeEventArgs resizeEventArgs = new ResizeEventArgs();
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bool isExiting;
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bool disposed;
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double updateTime, renderTime, eventTime, frameTime;
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int width, height;
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#endregion
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#region --- Internal Fields ---
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bool MustResize
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{
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get { return glWindow.Width != this.Width || glWindow.Height != this.Height; }
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}
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#endregion
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#region --- Contructors ---
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/// <summary>
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/// Constructs a new GameWindow. Call CreateWindow() to open a render window.
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/// </summary>
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public GameWindow()
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{
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switch (Environment.OSVersion.Platform)
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{
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case PlatformID.Win32NT:
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case PlatformID.Win32S:
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case PlatformID.Win32Windows:
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case PlatformID.WinCE:
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glWindow = new OpenTK.Platform.Windows.WinGLNative();
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break;
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case PlatformID.Unix:
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case (PlatformID)128:
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glWindow = new OpenTK.Platform.X11.X11GLNative();
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break;
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default:
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throw new PlatformNotSupportedException("Your platform is not supported currently. Please, refer to http://opentk.sourceforge.net for more information.");
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}
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//glWindow.Resize += new ResizeEvent(glWindow_Resize);
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glWindow.Destroy += new DestroyEvent(glWindow_Destroy);
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}
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/// <summary>
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/// Constructs a new GameWindow, and opens a render window with the specified DisplayMode.
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/// </summary>
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/// <param name="mode">The DisplayMode of the GameWindow.</param>
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public GameWindow(DisplayMode mode)
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: this()
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{
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CreateWindow(mode);
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}
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/// <summary>
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/// Constructs a new GameWindow with the specified title, and opens a render window with the specified DisplayMode.
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/// </summary>
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/// <param name="mode">The DisplayMode of the GameWindow.</param>
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/// <param name="title">The Title of the GameWindow.</param>
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public GameWindow(DisplayMode mode, string title)
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: this()
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{
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CreateWindow(mode, title);
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}
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void glWindow_Destroy(object sender, EventArgs e)
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{
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Debug.Print("GameWindow destruction imminent.");
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this.isExiting = true;
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this.OnDestroy(EventArgs.Empty);
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glWindow.Destroy -= glWindow_Destroy;
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//this.Dispose();
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}
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void glWindow_Resize(object sender, ResizeEventArgs e)
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{
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this.OnResizeInternal(e);
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}
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#endregion
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#region --- Functions ---
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#region public void CreateWindow(DisplayMode mode, string title)
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/// <summary>
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/// Creates a render window for the calling GameWindow, with the specified DisplayMode and Title.
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/// </summary>
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/// <param name="mode">The DisplayMode of the render window.</param>
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/// <param name="title">The Title of the render window.</param>
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/// <remarks>
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/// It is an error to call this function when a render window already exists.
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/// <para>Call DestroyWindow to close the render window.</para>
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/// </remarks>
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/// <exception cref="ApplicationException">Occurs when a render window already exists.</exception>
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public void CreateWindow(DisplayMode mode, string title)
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{
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if (!Exists)
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{
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try
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{
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glWindow.CreateWindow(mode);
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this.Title = title;
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}
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catch (ApplicationException expt)
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{
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Debug.Print(expt.ToString());
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throw;
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}
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}
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else
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{
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throw new ApplicationException("A render window already exists for this GameWindow.");
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}
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}
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#endregion
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#endregion
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#region --- INativeGLWindow Members ---
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#region public void Exit()
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/// <summary>
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/// Gracefully exits the current GameWindow.
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/// Override if you want to provide yor own exit sequence.
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/// If you override this method, place a call to base.Exit(), to ensure
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/// proper OpenTK shutdown.
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/// </summary>
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public virtual void Exit()
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{
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isExiting = true;
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//glWindow.Exit();
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//this.Dispose();
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}
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#endregion
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#region public bool IsIdle
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/// <summary>
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/// Gets a value indicating whether the current GameWindow is idle.
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/// If true, the OnUpdateFrame and OnRenderFrame functions should be called.
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/// </summary>
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public bool IsIdle
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{
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get { return glWindow.IsIdle; }
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}
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#endregion
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#region public bool Fullscreen
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/// <summary>
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/// TODO: This property is not implemented.
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/// Gets or sets a value indicating whether the GameWindow is in fullscrren mode.
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/// </summary>
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public bool Fullscreen
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{
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get { return glWindow.Fullscreen; }
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set { glWindow.Fullscreen = value; }
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}
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#endregion
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#region public IGLContext Context
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/// <summary>
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/// Returns the opengl IGLontext associated with the current GameWindow.
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/// Forces window creation.
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/// </summary>
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public IGLContext Context
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{
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get
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{
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if (!this.Exists && !this.IsExiting)
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{
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Debug.WriteLine("WARNING: OpenGL Context accessed before creating a render window. This may indicate a programming error. Force-creating a render window.");
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mode = new DisplayMode(640, 480);
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this.CreateWindow(mode);
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}
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return glWindow.Context;
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}
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}
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#endregion
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#region public bool Exists
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/// <summary>
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/// Gets a value indicating whether a render window exists.
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/// </summary>
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public bool Exists
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{
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get { return glWindow == null ? false : glWindow.Exists; }
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}
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#endregion
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#region public string Text
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/// <summary>
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/// Gets or sets the GameWindow title.
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/// </summary>
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public string Title
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{
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get
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{
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return glWindow.Title;
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}
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set
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{
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glWindow.Title = value;
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}
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}
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#endregion
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#region public bool Visible
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/// <summary>
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/// TODO: This property is not implemented
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/// Gets or sets a value indicating whether the GameWindow is visible.
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/// </summary>
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public bool Visible
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{
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get
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{
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throw new NotImplementedException();
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return glWindow.Visible;
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}
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set
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{
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throw new NotImplementedException();
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glWindow.Visible = value;
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}
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}
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#endregion
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#region public IWindowInfo WindowInfo
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public IWindowInfo WindowInfo
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{
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get { return glWindow.WindowInfo; }
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}
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#endregion
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#region public IInputDriver InputDriver
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/// <summary>
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/// Gets an interface to the InputDriver used to obtain Keyboard, Mouse and Joystick input.
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/// </summary>
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public IInputDriver InputDriver
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{
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get
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{
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return glWindow.InputDriver;
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}
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}
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#endregion
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#region public void CreateWindow(DisplayMode mode)
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/// <summary>
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/// Creates a render window for the calling GameWindow.
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/// </summary>
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/// <param name="mode">The DisplayMode of the render window.</param>
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/// <remarks>
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/// It is an error to call this function when a render window already exists.
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/// <para>Call DestroyWindow to close the render window.</para>
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/// </remarks>
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/// <exception cref="ApplicationException">Occurs when a render window already exists.</exception>
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public void CreateWindow(DisplayMode mode)
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{
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if (!Exists)
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{
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try
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{
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glWindow.CreateWindow(mode);
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}
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catch (ApplicationException expt)
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{
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Debug.Print(expt.ToString());
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throw;
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}
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}
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else
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{
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throw new ApplicationException("A render window already exists for this GameWindow.");
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}
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}
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#endregion
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#region OnCreate
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[Obsolete("The Create event is obsolete and will be removed on later versions. Use the Load event instead.")]
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public event CreateEvent Create;
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/// <summary>
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/// Raises the Create event. Override in derived classes to initialize resources.
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/// </summary>
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/// <param name="e"></param>
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[Obsolete("The OnCreate method is obsolete and will be removed on later versions. Use the OnLoad method instead.")]
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public virtual void OnCreate(EventArgs e)
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{
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Debug.WriteLine("Firing GameWindow.Create event");
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if (this.Create != null)
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{
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this.Create(this, e);
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}
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}
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#endregion
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#region public void DestroyWindow()
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/// <summary>
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/// Destroys the GameWindow. The Destroy event is raised before destruction commences
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/// (while the opengl context still exists), to allow resource cleanup.
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/// </summary>
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public void DestroyWindow()
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{
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if (Exists)
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{
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glWindow.DestroyWindow();
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}
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else
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{
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throw new ApplicationException("Tried to destroy inexistent window.");
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}
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}
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#endregion
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#region OnDestroy
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/// <summary>
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/// Raises the Destroy event. Override in derived classes, to modify the shutdown
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/// sequence (e.g. to release resources before shutdown).
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/// </summary>
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/// <param name="e"></param>
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public virtual void OnDestroy(EventArgs e)
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{
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Debug.WriteLine("Firing GameWindow.Destroy event");
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if (this.Destroy != null)
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{
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this.Destroy(this, e);
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}
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}
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public event DestroyEvent Destroy;
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#endregion
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#endregion
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#region --- IGameWindow Members ---
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#region void Run()
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/// <summary>
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/// Enters the game loop of GameWindow, updating and rendering at the maximum possible frequency.
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/// </summary>
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/// <see cref="public virtual void Run(float update_frequency, float render_frequency)"/>
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public void Run()
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{
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Run(0.0, 0.0);
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}
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/// <summary>
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/// Runs the default game loop on GameWindow at the specified update frequency, maintaining the
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/// maximum possible render frequency.
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/// </summary>
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/// <see cref="public virtual void Run(double updateFrequency, double renderFrequency)"/>
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public void Run(double updateFrequency)
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{
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Run(updateFrequency, 0.0);
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}
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/// <summary>
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/// Runs the default game loop on GameWindow at the specified update and render frequency.
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/// </summary>
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/// <param name="updateFrequency">If greater than zero, indicates how many times UpdateFrame will be called per second. If less than or equal to zero, UpdateFrame is raised at maximum possible frequency.</param>
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/// <param name="renderFrequency">If greater than zero, indicates how many times RenderFrame will be called per second. If less than or equal to zero, RenderFrame is raised at maximum possible frequency.</param>
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/// <remarks>
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/// <para>
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/// A default game loop consists of three parts: Event processing, frame updating and a frame rendering.
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/// This function will try to maintain the requested updateFrequency at all costs, dropping the renderFrequency if
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/// there is not enough CPU time.
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/// </para>
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/// <para>
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/// It is recommended that you specify a target for update- and renderFrequency.
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/// Doing so, will yield unused CPU time to other processes, dropping power consumption
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/// and maximizing batter life. If either frequency is left unspecified, the GameWindow
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/// will consume all available CPU time (only useful for benchmarks and stress tests).
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/// </para>
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/// <para>
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/// Override this function if you want to change the behaviour of the
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/// default game loop. If you override this function, you must place
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/// a call to the ProcessEvents function, to ensure window will respond
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/// to Operating System events.
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/// </para>
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/// </remarks>
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public virtual void Run(double updateFrequency, double renderFrequency)
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{
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this.OnLoad(EventArgs.Empty);
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// Setup timer
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Stopwatch watch = new Stopwatch();
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UpdateFrameEventArgs updateArgs = new UpdateFrameEventArgs();
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RenderFrameEventArgs renderArgs = new RenderFrameEventArgs();
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// Setup update and render rates. If updateFrequency or renderFrequency <= 0.0, use full throttle for that frequency.
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double update_target = 0.0, render_target = 0.0, next_update = 0.0, next_render = 0.0;
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double time, total_time;
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if (updateFrequency > 0.0)
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{
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next_update = update_target = 1.0 / updateFrequency;
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}
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if (renderFrequency > 0.0)
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{
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next_render = render_target = 1.0 / renderFrequency;
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}
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// Enter main loop:
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// (1) Update total frame time (capped at 0.1 sec)
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// (2) Process events and update event_time
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// (3) Raise UpdateFrame event(s) and update update_time.
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// If there is enough CPU time, update and render events will be 1 on 1.
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// If there is not enough time, render events will be dropped in order to match the requested updateFrequency.
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// If the requested updateFrequency can't be matched, processing will slow down.
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// (4) Raise RenderFrame event and update render_time.
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// (5) If there is any CPU time left, and we are not running full-throttle, Sleep() to lower CPU usage.
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Debug.Print("Entering main loop.");
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while (this.Exists && !IsExiting)
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{
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// Update total frame time.
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total_time = frameTime = watch.Elapsed.TotalSeconds;
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if (total_time > 0.1)
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total_time = 0.1;
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updateArgs.Time = renderArgs.Time = total_time;
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watch.Reset();
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watch.Start();
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// Process events and update event_time
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time = watch.Elapsed.TotalSeconds;
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this.ProcessEvents();
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eventTime = watch.Elapsed.TotalSeconds - time;
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if (!IsExiting)
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{
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// Raise UpdateFrame event(s) and update update_time.
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time = watch.Elapsed.TotalSeconds;
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next_update -= (total_time + time);
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while (next_update <= 0.0)
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{
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updateArgs.Time += watch.Elapsed.TotalSeconds;
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this.OnUpdateFrameInternal(updateArgs);
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if (update_target == 0.0)
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break;
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next_update += update_target;
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}
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updateTime = watch.Elapsed.TotalSeconds - time;
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// Raise RenderFrame event and update render_time.
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time = watch.Elapsed.TotalSeconds;
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next_render -= (total_time + time);
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if (next_render <= 0.0)
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{
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renderArgs.Time += time;
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this.OnRenderFrameInternal(renderArgs);
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next_render += render_target;
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}
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renderTime = watch.Elapsed.TotalSeconds - time;
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// If there is any CPU time left, and we are not running full-throttle, Sleep() to lower CPU usage.
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if (renderTime < render_target && updateTime < update_target)
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{
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Thread.Sleep((int)(1000.0 * System.Math.Min(
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render_target - renderTime, update_target - updateTime)));
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}
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}
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}
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OnUnloadInternal(EventArgs.Empty);
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if (this.Exists)
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{
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glWindow.DestroyWindow();
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while (this.Exists)
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{
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this.ProcessEvents();
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}
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}
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}
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#endregion
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#region public void ProcessEvents()
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/// <summary>
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/// Processes operating system events until the GameWindow becomes idle.
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/// </summary>
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/// <remarks>
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/// When overriding the default GameWindow game loop (provided by the Run() function)
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/// you should call ProcessEvents() to ensure that your GameWindow responds to
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/// operating system events.
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/// <para>
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/// Once ProcessEvents() returns, it is time to call update and render the next frame.
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/// </para>
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/// </remarks>
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public void ProcessEvents()
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{
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if (!isExiting)
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InputDriver.Poll();
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glWindow.ProcessEvents();
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}
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#endregion
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#region OnRenderFrame(RenderFrameEventArgs e)
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/// <summary>
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/// Raises the RenderFrame event, and calls the public function.
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/// </summary>
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/// <param name="e"></param>
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private void OnRenderFrameInternal(RenderFrameEventArgs e)
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{
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if (!this.Exists && !this.IsExiting)
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{
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Debug.Print("WARNING: RenderFrame event raised, without a valid render window. This may indicate a programming error. Creating render window.");
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mode = new DisplayMode(640, 480);
|
|
this.CreateWindow(mode);
|
|
}
|
|
if (RenderFrame != null)
|
|
RenderFrame(this, e);
|
|
|
|
// Call the user's override.
|
|
OnRenderFrame(e);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Override in derived classes to render a frame.
|
|
/// </summary>
|
|
/// <param name="e">Contains information necessary for frame rendering.</param>
|
|
/// <remarks>
|
|
/// The base implementation (base.OnRenderFrame) is empty, there is no need to call it.
|
|
/// </remarks>
|
|
public virtual void OnRenderFrame(RenderFrameEventArgs e)
|
|
{
|
|
}
|
|
|
|
/// <summary>
|
|
/// Occurs when it is time to render the next frame.
|
|
/// </summary>
|
|
public event RenderFrameEvent RenderFrame;
|
|
|
|
#endregion
|
|
|
|
#region OnUpdateFrame(UpdateFrameEventArgs e)
|
|
|
|
private void OnUpdateFrameInternal(UpdateFrameEventArgs e)
|
|
{
|
|
if (!this.Exists && !this.IsExiting)
|
|
{
|
|
Debug.Print("WARNING: UpdateFrame event raised, without a valid render window. This may indicate a programming error. Creating render window.");
|
|
mode = new DisplayMode(640, 480);
|
|
this.CreateWindow(mode);
|
|
}
|
|
|
|
if (MustResize)
|
|
{
|
|
resizeEventArgs.Width = glWindow.Width;
|
|
resizeEventArgs.Height = glWindow.Height;
|
|
OnResizeInternal(resizeEventArgs);
|
|
}
|
|
|
|
if (UpdateFrame != null)
|
|
{
|
|
UpdateFrame(this, e);
|
|
}
|
|
|
|
OnUpdateFrame(e);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Override in derived classes to update a frame.
|
|
/// </summary>
|
|
/// <param name="e">Contains information necessary for frame updating.</param>
|
|
/// <remarks>
|
|
/// The base implementation (base.OnUpdateFrame) is empty, there is no need to call it.
|
|
/// </remarks>
|
|
public virtual void OnUpdateFrame(UpdateFrameEventArgs e)
|
|
{
|
|
}
|
|
|
|
/// <summary>
|
|
/// Occurs when it is time to update the next frame.
|
|
/// </summary>
|
|
public event UpdateFrameEvent UpdateFrame;
|
|
|
|
#endregion
|
|
|
|
#region OnLoad(EventArgs e)
|
|
|
|
/// <summary>
|
|
/// Occurs after establishing an OpenGL context, but before entering the main loop.
|
|
/// </summary>
|
|
public event LoadEvent Load;
|
|
|
|
/// <summary>
|
|
/// Raises the Load event, and calls the user's OnLoad override.
|
|
/// </summary>
|
|
/// <param name="e"></param>
|
|
private void OnLoadInternal(EventArgs e)
|
|
{
|
|
Debug.WriteLine(String.Format("OpenGL driver information: {0}, {1}, {2}",
|
|
GL.GetString(GL.Enums.StringName.RENDERER),
|
|
GL.GetString(GL.Enums.StringName.VENDOR),
|
|
GL.GetString(GL.Enums.StringName.VERSION)));
|
|
|
|
if (this.Load != null)
|
|
{
|
|
this.Load(this, e);
|
|
}
|
|
|
|
OnLoad(e);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Occurs after establishing an OpenGL context, but before entering the main loop.
|
|
/// Override to load resources that should be maintained for the lifetime of the application.
|
|
/// </summary>
|
|
/// <param name="e">Not used.</param>
|
|
public virtual void OnLoad(EventArgs e)
|
|
{
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region OnUnload(EventArgs e)
|
|
|
|
/// <summary>
|
|
/// Occurs after after calling GameWindow.Exit, but before destroying the OpenGL context.
|
|
/// </summary>
|
|
public event UnloadEvent Unload;
|
|
|
|
/// <summary>
|
|
/// Raises the Unload event, and calls the user's OnUnload override.
|
|
/// </summary>
|
|
/// <param name="e"></param>
|
|
private void OnUnloadInternal(EventArgs e)
|
|
{
|
|
if (this.Unload != null)
|
|
{
|
|
this.Unload(this, e);
|
|
}
|
|
|
|
OnUnload(e);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Occurs after after calling GameWindow.Exit, but before destroying the OpenGL context.
|
|
/// Override to unload application resources.
|
|
/// </summary>
|
|
/// <param name="e">Not used.</param>
|
|
public virtual void OnUnload(EventArgs e)
|
|
{
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region public void SwapBuffers()
|
|
|
|
/// <summary>
|
|
/// Swaps the front and back buffer, presenting the rendered scene to the user.
|
|
/// Only useful in double- or triple-buffered formats.
|
|
/// </summary>
|
|
/// <remarks>Calling this function is equivalent to calling Context.SwapBuffers()</remarks>
|
|
public void SwapBuffers()
|
|
{
|
|
Context.SwapBuffers();
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region public bool IsExiting
|
|
|
|
/// <summary>
|
|
/// Gets a value indicating whether the shutdown sequence has been initiated
|
|
/// for this window, by calling GameWindow.Exit() or hitting the 'close' button.
|
|
/// If this property is true, it is no longer safe to use any OpenTK.Input or
|
|
/// OpenTK.OpenGL functions or properties.
|
|
/// </summary>
|
|
public bool IsExiting
|
|
{
|
|
get { return isExiting; }
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region public Keyboard Keyboard
|
|
|
|
/// <summary>
|
|
/// Gets the primary Keyboard device, or null if no Keyboard exists.
|
|
/// </summary>
|
|
public KeyboardDevice Keyboard
|
|
{
|
|
get
|
|
{
|
|
if (InputDriver.Keyboard.Count > 0)
|
|
return InputDriver.Keyboard[0];
|
|
else
|
|
return null;
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region public Mouse Mouse
|
|
|
|
/// <summary>
|
|
/// Gets the primary Mouse device, or null if no Mouse exists.
|
|
/// </summary>
|
|
public MouseDevice Mouse
|
|
{
|
|
get
|
|
{
|
|
if (InputDriver.Mouse.Count > 0)
|
|
return InputDriver.Mouse[0];
|
|
else
|
|
return null;
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#endregion
|
|
|
|
#region --- IResizable Members ---
|
|
|
|
#region public int Width, Height
|
|
|
|
/// <summary>
|
|
/// Gets or sets the Width of the GameWindow's rendering area, in pixels.
|
|
/// </summary>
|
|
public int Width
|
|
{
|
|
get { return width; }
|
|
set
|
|
{
|
|
if (value == this.Width)
|
|
{
|
|
return;
|
|
}
|
|
else if (value > 0)
|
|
{
|
|
glWindow.Width = value;
|
|
}
|
|
else
|
|
{
|
|
throw new ArgumentOutOfRangeException(
|
|
"Width",
|
|
value,
|
|
"Width must be greater than 0"
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets the Height of the GameWindow's rendering area, in pixels.
|
|
/// </summary>
|
|
public int Height
|
|
{
|
|
get { return height; }
|
|
set
|
|
{
|
|
if (value == this.Height)
|
|
{
|
|
return;
|
|
}
|
|
else if (value > 0)
|
|
{
|
|
glWindow.Height = value;
|
|
}
|
|
else
|
|
{
|
|
throw new ArgumentOutOfRangeException(
|
|
"Height",
|
|
value,
|
|
"Height must be greater than 0"
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region public event ResizeEvent Resize;
|
|
|
|
/// <summary>
|
|
/// Occurs when the GameWindow is resized. Derived classes should override the OnResize method for better performance.
|
|
/// </summary>
|
|
public event ResizeEvent Resize;
|
|
|
|
/// <summary>
|
|
/// Raises the Resize event.
|
|
/// </summary>
|
|
/// <param name="e">Contains information about the Resize event.</param>
|
|
private void OnResizeInternal(ResizeEventArgs e)
|
|
{
|
|
Debug.Print("Firing GameWindow.Resize event: {0}.", e.ToString());
|
|
|
|
this.width = e.Width;
|
|
this.height = e.Height;
|
|
|
|
if (this.Resize != null)
|
|
this.Resize(this, e);
|
|
|
|
OnResize(e);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Override in derived classes to respond to the Resize events.
|
|
/// </summary>
|
|
/// <param name="e">Contains information about the Resize event.</param>
|
|
protected virtual void OnResize(ResizeEventArgs e)
|
|
{
|
|
}
|
|
|
|
#endregion
|
|
/*
|
|
/// <summary>
|
|
/// Gets the Top coordinate of the GameWindow's rendering area, in pixel coordinates relative to the GameWindow's top left point.
|
|
/// </summary>
|
|
public int Top
|
|
{
|
|
get { return glWindow.Top; }
|
|
}
|
|
|
|
/// <summary>
|
|
/// /// Gets the Bottom coordinate of the GameWindow's rendering area, in pixel coordinates relative to the GameWindow's top left point.
|
|
/// </summary>
|
|
public int Bottom
|
|
{
|
|
get { return glWindow.Bottom; }
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the Left coordinate of the GameWindow's rendering area, in pixel coordinates relative to the GameWindow's top left point.
|
|
/// </summary>
|
|
public int Left
|
|
{
|
|
get { return glWindow.Left; }
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the Right coordinate of the GameWindow's rendering area, in pixel coordinates relative to the GameWindow's top left point.
|
|
/// </summary>
|
|
public int Right
|
|
{
|
|
get { return glWindow.Right; }
|
|
}
|
|
*/
|
|
#endregion
|
|
|
|
#region --- IDisposable Members ---
|
|
|
|
/// <summary>
|
|
/// Not used yet.
|
|
/// </summary>
|
|
private void DisposeInternal()
|
|
{
|
|
Dispose(); // User overridable Dispose method.
|
|
|
|
}
|
|
|
|
/// <summary>
|
|
/// Disposes of the GameWindow, releasing all resources consumed by it.
|
|
/// </summary>
|
|
public virtual void Dispose()
|
|
{
|
|
Dispose(true); // Real Dispose method.
|
|
GC.SuppressFinalize(this);
|
|
}
|
|
|
|
private void Dispose(bool manual)
|
|
{
|
|
if (!disposed)
|
|
{
|
|
// Is this safe? Maybe 'Debug' has been disposed, too...
|
|
//Debug.Print("{0} disposing GameWindow.", manual ? "Manually" : "Automatically");
|
|
|
|
if (manual)
|
|
{
|
|
if (glWindow != null)
|
|
{
|
|
glWindow.Dispose();
|
|
glWindow = null;
|
|
}
|
|
}
|
|
disposed = true;
|
|
}
|
|
}
|
|
|
|
~GameWindow()
|
|
{
|
|
this.Dispose(false);
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
|
|
public class UpdateFrameEventArgs : EventArgs
|
|
{
|
|
private double time;
|
|
|
|
/// <summary>
|
|
/// Gets the Time elapsed between frame updates, in seconds.
|
|
/// </summary>
|
|
public double Time
|
|
{
|
|
get { return time; }
|
|
internal set { time = value; }
|
|
}
|
|
}
|
|
|
|
public class RenderFrameEventArgs : EventArgs
|
|
{
|
|
private double time;
|
|
|
|
/// <summary>
|
|
/// Gets the Time elapsed between frame updates, in seconds.
|
|
/// </summary>
|
|
public double Time
|
|
{
|
|
get { return time; }
|
|
internal set { time = value; }
|
|
}
|
|
}
|
|
}
|