ImageSample sample added

2026-05-15 22:56:30 +09:00 · 2010-10-30 21:29:10 +00:00
parent f589208841
commit e866600c98
24 changed files with 1818 additions and 0 deletions
--- a/Samples/ImageSample/ImageClient/ImageGetter.cs
+++ b/Samples/ImageSample/ImageClient/ImageGetter.cs
@@ -0,0 +1,158 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Text;
+using System.Windows.Forms;
+using Lidgren.Network;
+using SamplesCommon;
+
+namespace ImageClient
+{
+	public partial class ImageGetter : Form
+	{
+		public NetClient Client;
+		public byte[] Buffer = new byte[990];
+		public bool[] ReceivedSegments;
+		public int NumReceivedSegments;
+
+		public ImageGetter(string host, NetPeerConfiguration copyConfig)
+		{
+			InitializeComponent();
+
+			NetPeerConfiguration config = copyConfig.Clone();
+			config.EnableMessageType(NetIncomingMessageType.DiscoveryResponse);
+
+			Client = new NetClient(config);
+			Client.Start();
+
+			Client.DiscoverLocalPeers(14242);
+		}
+
+		public void Heartbeat()
+		{
+			NetIncomingMessage inc;
+			while ((inc = Client.ReadMessage()) != null)
+			{
+				switch(inc.MessageType)
+				{
+					case NetIncomingMessageType.DiscoveryResponse:
+						// found server! just connect...
+
+						string serverResponseHello = inc.ReadString();
+
+						// create approval data
+						NetOutgoingMessage approval = Client.CreateMessage();
+						approval.Write(42);
+						approval.Write("secret");
+
+						Client.Connect(inc.SenderEndpoint, approval);
+						break;
+					case NetIncomingMessageType.DebugMessage:
+					case NetIncomingMessageType.VerboseDebugMessage:
+					case NetIncomingMessageType.WarningMessage:
+					case NetIncomingMessageType.ErrorMessage:
+						string str = inc.ReadString();
+						NativeMethods.AppendText(richTextBox1, str);
+						System.IO.File.AppendAllText("C:\\tmp\\clientlog.txt", str + Environment.NewLine);
+						break;
+					case NetIncomingMessageType.StatusChanged:
+						NetConnectionStatus status = (NetConnectionStatus)inc.ReadByte();
+						string reason = inc.ReadString();
+						NativeMethods.AppendText(richTextBox1, "New status: " + status + " (" + reason + ")");
+						break;
+					case NetIncomingMessageType.Data:
+						// image data, whee!
+						// ineffective but simple data model
+						ushort width = inc.ReadUInt16();
+						ushort height = inc.ReadUInt16();
+						uint segment = inc.ReadVariableUInt32();
+
+						Bitmap bm = pictureBox1.Image as Bitmap;
+						if (bm == null)
+						{
+							bm = new Bitmap(width + 1, height + 1);
+							pictureBox1.Image = bm;
+							this.Size = new System.Drawing.Size(width + 40, height + 60);
+							pictureBox1.SetBounds(12, 12, width, height);
+						}
+						pictureBox1.SuspendLayout();
+
+						int totalBytes = (width * height * 3);
+						if (inc.LengthBytes < totalBytes)
+						{
+							int wholeSegments = totalBytes / 990;
+							int segLen = 990;
+							int remainder = totalBytes - (wholeSegments * inc.LengthBytes);
+							int totalNumberOfSegments = wholeSegments + (remainder > 0 ? 1 : 0);
+							if (segment >= wholeSegments)
+								segLen = remainder; // last segment can be shorter
+
+							if (ReceivedSegments == null)
+								ReceivedSegments = new bool[totalNumberOfSegments];
+							if (ReceivedSegments[segment] == false)
+							{
+								ReceivedSegments[segment] = true;
+								NumReceivedSegments++;
+								if (NumReceivedSegments >= totalNumberOfSegments)
+								{
+									Client.Disconnect("So long and thanks for all the fish!");
+								}
+							}
+
+
+
+							int pixelsAhead = (int)segment * 330;
+
+							int y = pixelsAhead / width;
+							int x = pixelsAhead - (y * width);
+
+							for (int i = 0; i < (segLen / 3); i++)
+							{
+								// set pixel
+								byte r = inc.ReadByte();
+								byte g = inc.ReadByte();
+								byte b = inc.ReadByte();
+								Color col = Color.FromArgb(r, g, b);
+								bm.SetPixel(x, y, col);
+								x++;
+								if (x >= width)
+								{
+									x = 0;
+									y++;
+								}
+							}
+						}
+						else
+						{
+
+							for(int y=0;y<height;y++)
+							{
+								for (int x = 0; x < width; x++)
+								{
+									// set pixel
+									byte r = inc.ReadByte();
+									byte g = inc.ReadByte();
+									byte b = inc.ReadByte();
+									Color col = Color.FromArgb(r, g, b);
+									bm.SetPixel(x, y, col);
+								}
+							}
+
+							Client.Disconnect("So long and thanks for all the fish!");
+						}
+
+						pictureBox1.ResumeLayout();
+						pictureBox1.Invalidate();
+						System.Threading.Thread.Sleep(0);
+
+						break;
+				}
+
+				// recycle message to avoid garbage
+				Client.Recycle(inc);
+			}
+		}
+	}
+}