d3dsettingsform.cs

《.NET游戏编程入门经典－c#篇》

		// 
		// windowedRadioButton
		// 
		this.windowedRadioButton.Location = new System.Drawing.Point(9, 14);
		this.windowedRadioButton.Name = "windowedRadioButton";
		this.windowedRadioButton.Size = new System.Drawing.Size(152, 24);
		this.windowedRadioButton.TabIndex = 0;
		this.windowedRadioButton.Text = "&Windowed";
		this.windowedRadioButton.CheckedChanged += new System.EventHandler(this.WindowedFullscreenChanged);
		// 
		// resolutionLabel
		// 
		this.resolutionLabel.Location = new System.Drawing.Point(8, 94);
		this.resolutionLabel.Name = "resolutionLabel";
		this.resolutionLabel.Size = new System.Drawing.Size(152, 23);
		this.resolutionLabel.TabIndex = 4;
		this.resolutionLabel.Text = "&Resolution:";
		// 
		// refreshRateComboBox
		// 
		this.refreshRateComboBox.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
		this.refreshRateComboBox.DropDownWidth = 144;
		this.refreshRateComboBox.Location = new System.Drawing.Point(161, 118);
		this.refreshRateComboBox.MaxDropDownItems = 14;
		this.refreshRateComboBox.Name = "refreshRateComboBox";
		this.refreshRateComboBox.Size = new System.Drawing.Size(232, 21);
		this.refreshRateComboBox.TabIndex = 7;
		this.refreshRateComboBox.SelectedIndexChanged += new System.EventHandler(this.RefreshRateChanged);
		// 
		// adapterFormatLabel
		// 
		this.adapterFormatLabel.Location = new System.Drawing.Point(8, 72);
		this.adapterFormatLabel.Name = "adapterFormatLabel";
		this.adapterFormatLabel.Size = new System.Drawing.Size(152, 23);
		this.adapterFormatLabel.TabIndex = 2;
		this.adapterFormatLabel.Text = "Adapter F&ormat:";
		// 
		// refreshRateLabel
		// 
		this.refreshRateLabel.Location = new System.Drawing.Point(8, 118);
		this.refreshRateLabel.Name = "refreshRateLabel";
		this.refreshRateLabel.Size = new System.Drawing.Size(152, 23);
		this.refreshRateLabel.TabIndex = 6;
		this.refreshRateLabel.Text = "R&efresh Rate:";
		// 
		// okButton
		// 
		this.okButton.DialogResult = System.Windows.Forms.DialogResult.OK;
		this.okButton.Location = new System.Drawing.Point(112, 464);
		this.okButton.Name = "okButton";
		this.okButton.TabIndex = 3;
		this.okButton.Text = "OK";
		// 
		// modeSettingsGroupBox
		// 
		this.modeSettingsGroupBox.Controls.AddRange(new System.Windows.Forms.Control[] {
																						   this.adapterFormatLabel,
																						   this.refreshRateLabel,
																						   this.resolutionComboBox,
																						   this.adapterFormatComboBox,
																						   this.resolutionLabel,
																						   this.refreshRateComboBox,
																						   this.windowedRadioButton,
																						   this.fullscreenRadioButton});
		this.modeSettingsGroupBox.Location = new System.Drawing.Point(16, 96);
		this.modeSettingsGroupBox.Name = "modeSettingsGroupBox";
		this.modeSettingsGroupBox.Size = new System.Drawing.Size(400, 160);
		this.modeSettingsGroupBox.TabIndex = 1;
		this.modeSettingsGroupBox.TabStop = false;
		this.modeSettingsGroupBox.Text = "Display mode settings";
		// 
		// adapterFormatComboBox
		// 
		this.adapterFormatComboBox.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
		this.adapterFormatComboBox.DropDownWidth = 121;
		this.adapterFormatComboBox.Location = new System.Drawing.Point(161, 70);
		this.adapterFormatComboBox.MaxDropDownItems = 14;
		this.adapterFormatComboBox.Name = "adapterFormatComboBox";
		this.adapterFormatComboBox.Size = new System.Drawing.Size(232, 21);
		this.adapterFormatComboBox.TabIndex = 3;
		this.adapterFormatComboBox.SelectedValueChanged += new System.EventHandler(this.AdapterFormatChanged);
		// 
		// D3DSettingsForm
		// 
		this.AcceptButton = this.okButton;
		this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
		this.CancelButton = this.cancelButton;
		this.ClientSize = new System.Drawing.Size(438, 512);
		this.Controls.AddRange(new System.Windows.Forms.Control[] {
																	  this.cancelButton,
																	  this.okButton,
																	  this.adapterDeviceGroupBox,
																	  this.modeSettingsGroupBox,
																	  this.otherSettingsGroupBox});
		this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
		this.MaximizeBox = false;
		this.Name = "D3DSettingsForm";
		this.Text = "Direct3D Settings";
		this.adapterDeviceGroupBox.ResumeLayout(false);
		this.otherSettingsGroupBox.ResumeLayout(false);
		this.modeSettingsGroupBox.ResumeLayout(false);
		this.ResumeLayout(false);

	}
	#endregion


    
    
	/// <summary>
	/// Respond to a change of selected adapter by rebuilding the device 
	/// list.  Updating the selected device will trigger updates of the 
	/// rest of the dialog.
	/// </summary>
	private void AdapterChanged(object sender, System.EventArgs e) {
		GraphicsAdapterInfo adapterInfo = (GraphicsAdapterInfo)adapterComboBox.SelectedItem;
		settings.AdapterInfo = adapterInfo;

		// Update device combo box
		deviceComboBox.Items.Clear();
		foreach (GraphicsDeviceInfo deviceInfo in adapterInfo.DeviceInfoList) {
			deviceComboBox.Items.Add(deviceInfo);
			if (deviceInfo.DevType == settings.DevType)
				deviceComboBox.SelectedItem = deviceInfo;
		}
		if (deviceComboBox.SelectedItem == null && deviceComboBox.Items.Count > 0)
			deviceComboBox.SelectedIndex = 0;
	}




	/// <summary>
	/// Respond to a change of selected device by resetting the 
	/// fullscreen/windowed radio buttons.  Updating these buttons
	/// will trigger updates of the rest of the dialog.
	/// </summary>
	private void DeviceChanged(object sender, System.EventArgs e) {
		GraphicsAdapterInfo adapterInfo = (GraphicsAdapterInfo)adapterComboBox.SelectedItem;
		GraphicsDeviceInfo deviceInfo = (GraphicsDeviceInfo)deviceComboBox.SelectedItem;

		settings.DeviceInfo = deviceInfo;

		// Update fullscreen/windowed radio buttons
		bool HasWindowedDeviceCombo = false;
		bool HasFullscreenDeviceCombo = false;
		foreach (DeviceCombo deviceCombo in deviceInfo.DeviceComboList) {
			if (deviceCombo.IsWindowed)
				HasWindowedDeviceCombo = true;
			else
				HasFullscreenDeviceCombo = true;
		}
		windowedRadioButton.Enabled = HasWindowedDeviceCombo;
		fullscreenRadioButton.Enabled = HasFullscreenDeviceCombo;
		if (settings.IsWindowed && HasWindowedDeviceCombo) {
			windowedRadioButton.Checked = true;
		}
		else {
			fullscreenRadioButton.Checked = true;
		}
		WindowedFullscreenChanged(null, null);
	}




	/// <summary>
	/// Respond to a change of windowed/fullscreen state by rebuilding the
	/// adapter format list, resolution list, and refresh rate list.
	/// Updating the selected adapter format will trigger updates of the 
	/// rest of the dialog.
	/// </summary>
	private void WindowedFullscreenChanged(object sender, System.EventArgs e) {
		GraphicsAdapterInfo adapterInfo = (GraphicsAdapterInfo)adapterComboBox.SelectedItem;
		GraphicsDeviceInfo deviceInfo = (GraphicsDeviceInfo)deviceComboBox.SelectedItem;

		if (windowedRadioButton.Checked) {
			settings.IsWindowed = true;
			settings.WindowedAdapterInfo = adapterInfo;
			settings.WindowedDeviceInfo = deviceInfo;

			// Update adapter format combo box
			adapterFormatComboBox.Items.Clear();
			adapterFormatComboBox.Items.Add(settings.WindowedDisplayMode.Format);
			adapterFormatComboBox.SelectedIndex = 0;
			adapterFormatComboBox.Enabled = false;

			// Update resolution combo box
			resolutionComboBox.Items.Clear();
			resolutionComboBox.Items.Add(FormatResolution(settings.WindowedDisplayMode.Width, 
				settings.WindowedDisplayMode.Height));
			resolutionComboBox.SelectedIndex = 0;
			resolutionComboBox.Enabled = false;

			// Update refresh rate combo box
			refreshRateComboBox.Items.Clear();
			refreshRateComboBox.Items.Add(FormatRefreshRate(settings.WindowedDisplayMode.RefreshRate));
			refreshRateComboBox.SelectedIndex = 0;
			refreshRateComboBox.Enabled = false;
		}
		else {
			settings.IsWindowed = false;
			settings.FullscreenAdapterInfo = adapterInfo;
			settings.FullscreenDeviceInfo = deviceInfo;

			// Update adapter format combo box
			adapterFormatComboBox.Items.Clear();
			foreach (DeviceCombo deviceCombo in deviceInfo.DeviceComboList) {
				if (deviceCombo.IsWindowed)
					continue;
				if (!adapterFormatComboBox.Items.Contains(deviceCombo.AdapterFormat)) {
					adapterFormatComboBox.Items.Add(deviceCombo.AdapterFormat);
					if (deviceCombo.AdapterFormat == (settings.IsWindowed ? 
						settings.WindowedDisplayMode.Format : settings.FullscreenDisplayMode.Format)) {
						adapterFormatComboBox.SelectedItem = deviceCombo.AdapterFormat;
					}
				}
			}
			if (adapterFormatComboBox.SelectedItem == null && adapterFormatComboBox.Items.Count > 0)
				adapterFormatComboBox.SelectedIndex = 0;
			adapterFormatComboBox.Enabled = true;
			
			// Update resolution combo box
			resolutionComboBox.Enabled = true;
			
			// Update refresh rate combo box
			refreshRateComboBox.Enabled = true;
		}
	}




	/// <summary>
	/// Converts the given width and height into a formatted string
	/// </summary>
	private string FormatResolution(int width, int height) {
		System.Text.StringBuilder sb = new System.Text.StringBuilder(20);
		sb.AppendFormat("{0} by {1}", width, height);
		return sb.ToString();
	}




	/// <summary>
	/// Converts the given refresh rate into a formatted string
	/// </summary>
	private string FormatRefreshRate(int refreshRate) {
		if (refreshRate == 0) {
			return "Default Rate";
		}
		else {
			System.Text.StringBuilder sb = new System.Text.StringBuilder(20);
			sb.AppendFormat("{0} Hz", refreshRate);
			return sb.ToString();
		}
	}




	/// <summary>
	/// Respond to a change of selected adapter format by rebuilding the
	/// resolution list and back buffer format list.  Updating the selected 
	/// resolution and back buffer format will trigger updates of the rest 
	/// of the dialog.
	/// </summary>
	private void AdapterFormatChanged(object sender, System.EventArgs e) {
		if (!windowedRadioButton.Checked) {
			GraphicsAdapterInfo adapterInfo = (GraphicsAdapterInfo)adapterComboBox.SelectedItem;
			Format adapterFormat = (Format)adapterFormatComboBox.SelectedItem;
			settings.FullscreenDisplayMode.Format = adapterFormat;
			System.Text.StringBuilder sb = new System.Text.StringBuilder(20);

			resolutionComboBox.Items.Clear();
			foreach (DisplayMode displayMode in adapterInfo.DisplayModeList) {
				if (displayMode.Format == adapterFormat) {
					string resolutionString = FormatResolution(displayMode.Width, displayMode.Height);
					if (!resolutionComboBox.Items.Contains(resolutionString)) {
						resolutionComboBox.Items.Add(resolutionString);
						if (settings.FullscreenDisplayMode.Width == displayMode.Width &&
							settings.FullscreenDisplayMode.Height == displayMode.Height) {
							resolutionComboBox.SelectedItem = resolutionString;
						}
					}
				}
			}
			if (resolutionComboBox.SelectedItem == null && resolutionComboBox.Items.Count > 0)
				resolutionComboBox.SelectedIndex = 0;
		}

		// Update backbuffer format combo box
		GraphicsDeviceInfo deviceInfo = (GraphicsDeviceInfo)deviceComboBox.SelectedItem;
		backBufferFormatComboBox.Items.Clear();
		foreach (DeviceCombo deviceCombo in deviceInfo.DeviceComboList) {
			if (deviceCombo.IsWindowed == settings.IsWindowed &&
				deviceCombo.AdapterFormat == settings.DisplayMode.Format) {
				if (!backBufferFormatComboBox.Items.Contains(deviceCombo.BackBufferFormat)) {
					backBufferFormatComboBox.Items.Add(deviceCombo.BackBufferFormat);
					if (deviceCombo.BackBufferFormat == settings.BackBufferFormat)
						backBufferFormatComboBox.SelectedItem = deviceCombo.BackBufferFormat;
				}
			}
		}
		if (backBufferFormatComboBox.SelectedItem == null && backBufferFormatComboBox.Items.Count > 0)
			backBufferFormatComboBox.SelectedIndex = 0;
	}




	/// <summary>
	/// Respond to a change of selected resolution by rebuilding the
	/// refresh rate list.
	/// </summary>
	private void ResolutionChanged(object sender, System.EventArgs e) {
		if (settings.IsWindowed)
			return;

		GraphicsAdapterInfo adapterInfo = (GraphicsAdapterInfo)adapterComboBox.SelectedItem;

		// Update settings with new resolution
		string resolution = (string)resolutionComboBox.SelectedItem;
		string[] resolutionSplitStringArray = resolution.Split();
		int width = int.Parse(resolutionSplitStringArray[0]);
		int height = int.Parse(resolutionSplitStringArray[2]);
		settings.FullscreenDisplayMode.Width = width;
		settings.FullscreenDisplayMode.Height = height;

		// Update refresh rate list based on new resolution
		Format adapterFormat = (Format)adapterFormatComboBox.SelectedItem;
		refreshRateComboBox.Items.Clear();
		foreach (DisplayMode displayMode in adapterInfo.DisplayModeList) {
			if (displayMode.Format == adapterFormat &&
				displayMode.Width  == width &&
				displayMode.Height == height) {
				string refreshRateString = FormatRefreshRate(displayMode.RefreshRate);
				if (!refreshRateComboBox.Items.Contains(refreshRateString)) {
					refreshRateComboBox.Items.Add(refreshRateString);
					if (settings.FullscreenDisplayMode.RefreshRate == displayMode.RefreshRate)
						refreshRateComboBox.SelectedItem = refreshRateString;
				}
			}
		}
		if (refreshRateComboBox.SelectedItem == null && refreshRateComboBox.Items.Count > 0)