d3dblank.cs

《.NET游戏编程入门经典－c#篇》

using System;
using System.Drawing;
using System.Windows.Forms;
using Microsoft.DirectX;
using Microsoft.DirectX.Direct3D;
using Direct3D=Microsoft.DirectX.Direct3D;

public delegate void AudioDelegate(); // Delegate to handle audio playback.

public class GraphicsClass : GraphicsSample {
	private GraphicsFont drawingFont = null;
	private Point destination = new Point(0, 0);
	private InputClass input = null;

	private const byte msgUp = 0;
	private const byte msgDown = 1;
	private const byte msgLeft = 2;
	private const byte msgRight = 3;
	private const byte msgCancelUp = 4;
	private const byte msgCancelDown = 5;
	private const byte msgCancelLeft = 6;
	private const byte msgCancelRight = 7;

	public GraphicsClass() {            
		this.Text = "Step01";
		input = new InputClass(this);
		drawingFont = new GraphicsFont( "Arial", System.Drawing.FontStyle.Bold );
	}


	/// <summary>
	/// Called once per frame, the call is the entry point for 3d rendering. This 
	/// function sets up render states, clears the viewport, and renders the scene.
	/// </summary>
	protected override void Render() {

		input.GetInputState();

		//Clear the backbuffer to a Blue color 
		device.Clear(ClearFlags.Target | ClearFlags.ZBuffer, Color.Blue, 1.0f, 0);
		//Begin the scene
		device.BeginScene();
		drawingFont.DrawText(5, 5, Color.White, "X: " + destination.X + " Y: " + destination.Y);

		//
		// TODO: Insert application rendering code here.
		//
		device.EndScene();
	}

	/// <summary>
	/// Initialize scene objects.
	/// </summary>
	protected override void InitializeDeviceObjects() {
		drawingFont.InitializeDeviceObjects(device);

		//
		// TODO: Insert application device initialization code here.
		//
	}

	/// <summary>
	/// Called when a device needs to be restored.
	/// </summary>
	protected override void RestoreDeviceObjects(System.Object sender, System.EventArgs e) {
		//
		// TODO: Insert application device restoration code here.
		//
	}
	protected override void Dispose(bool disposing) {
		base.Dispose(disposing);
	}
	public void MessageArrived(byte message) {
		switch (message) {
			case msgUp: {
				destination.X = 1;
				break;
			}
			case msgDown: {
				destination.X = -1;
				break;
			}
			case msgLeft: {
				destination.Y = 1;
				break;
			}
			case msgRight: {
				destination.Y = -1;
				break;
			}
			case msgCancelUp:
			case msgCancelDown: {
				destination.X = 0;
				break;
			}
			case msgCancelLeft:
			case msgCancelRight: {
				destination.Y = 0;
				break;
			}
		}
	}

	/// <summary>
	// When the peer closes, the code here is executed.
	/// </summary>
	public void PeerClose() {
		// The session was terminated, go ahead and shut down
		this.Dispose();
	}
}