diff --git a/Lidgren XNA Extensions/Lidgren XNA Extensions.sln b/Lidgren XNA Extensions/Lidgren XNA Extensions.sln
new file mode 100644
index 0000000..702969f
--- /dev/null
+++ b/Lidgren XNA Extensions/Lidgren XNA Extensions.sln
@@ -0,0 +1,26 @@
+
+Microsoft Visual Studio Solution File, Format Version 10.00
+# Visual Studio 2008
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lidgren XNA Extensions", "Lidgren XNA Extensions\Lidgren XNA Extensions.csproj", "{2B661ABD-63A8-4916-A94B-034729231271}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lidgren.Network", "..\Lidgren.Network\Lidgren.Network.csproj", "{FA245447-5F23-4AA1-BD5F-8D2DDF33CFBD}"
+EndProject
+Global
+ GlobalSection(SolutionConfigurationPlatforms) = preSolution
+ Debug|Any CPU = Debug|Any CPU
+ Release|Any CPU = Release|Any CPU
+ EndGlobalSection
+ GlobalSection(ProjectConfigurationPlatforms) = postSolution
+ {2B661ABD-63A8-4916-A94B-034729231271}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {2B661ABD-63A8-4916-A94B-034729231271}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {2B661ABD-63A8-4916-A94B-034729231271}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {2B661ABD-63A8-4916-A94B-034729231271}.Release|Any CPU.Build.0 = Release|Any CPU
+ {FA245447-5F23-4AA1-BD5F-8D2DDF33CFBD}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {FA245447-5F23-4AA1-BD5F-8D2DDF33CFBD}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {FA245447-5F23-4AA1-BD5F-8D2DDF33CFBD}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {FA245447-5F23-4AA1-BD5F-8D2DDF33CFBD}.Release|Any CPU.Build.0 = Release|Any CPU
+ EndGlobalSection
+ GlobalSection(SolutionProperties) = preSolution
+ HideSolutionNode = FALSE
+ EndGlobalSection
+EndGlobal
diff --git a/Lidgren XNA Extensions/Lidgren XNA Extensions/Lidgren XNA Extensions.csproj b/Lidgren XNA Extensions/Lidgren XNA Extensions/Lidgren XNA Extensions.csproj
new file mode 100644
index 0000000..aa2bc4e
--- /dev/null
+++ b/Lidgren XNA Extensions/Lidgren XNA Extensions/Lidgren XNA Extensions.csproj
@@ -0,0 +1,66 @@
+
+
+
+ Debug
+ AnyCPU
+ 9.0.21022
+ 2.0
+ {2B661ABD-63A8-4916-A94B-034729231271}
+ Library
+ Properties
+ Lidgren.Network.Xna
+ Lidgren.Network.Xna
+ v3.5
+ 512
+
+
+ true
+ full
+ false
+ bin\Debug\
+ DEBUG;TRACE
+ prompt
+ 4
+
+
+ pdbonly
+ true
+ bin\Release\
+ TRACE
+ prompt
+ 4
+
+
+
+
+
+ 3.5
+
+
+ 3.5
+
+
+ 3.5
+
+
+
+
+
+
+
+
+
+
+ {FA245447-5F23-4AA1-BD5F-8D2DDF33CFBD}
+ Lidgren.Network
+
+
+
+
+
\ No newline at end of file
diff --git a/Lidgren XNA Extensions/Lidgren XNA Extensions/Properties/AssemblyInfo.cs b/Lidgren XNA Extensions/Lidgren XNA Extensions/Properties/AssemblyInfo.cs
new file mode 100644
index 0000000..f71e8ae
--- /dev/null
+++ b/Lidgren XNA Extensions/Lidgren XNA Extensions/Properties/AssemblyInfo.cs
@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("Lidgren XNA Extensions")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("Microsoft")]
+[assembly: AssemblyProduct("Lidgren XNA Extensions")]
+[assembly: AssemblyCopyright("Copyright © Microsoft 2010")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible
+// to COM components. If you need to access a type in this assembly from
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("f9189a05-8455-4b82-b114-a806db01c367")]
+
+// Version information for an assembly consists of the following four values:
+//
+// Major Version
+// Minor Version
+// Build Number
+// Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/Lidgren XNA Extensions/Lidgren XNA Extensions/XNAExtensions.cs b/Lidgren XNA Extensions/Lidgren XNA Extensions/XNAExtensions.cs
new file mode 100644
index 0000000..d6ef3a6
--- /dev/null
+++ b/Lidgren XNA Extensions/Lidgren XNA Extensions/XNAExtensions.cs
@@ -0,0 +1,296 @@
+using System;
+using System.Collections.Generic;
+
+using Lidgren.Network;
+
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics.PackedVector;
+
+namespace Lidgren.Network.Xna
+{
+ public static class XNAExtensions
+ {
+ ///
+ /// Write a Point
+ ///
+ public static void Write(this NetOutgoingMessage message, Point value)
+ {
+ message.Write(value.X);
+ message.Write(value.Y);
+ }
+
+ ///
+ /// Read a Point
+ ///
+ public static Point ReadPoint(this NetIncomingMessage message)
+ {
+ return new Point(message.ReadInt32(), message.ReadInt32());
+ }
+
+ ///
+ /// Write a Single with half precision (16 bits)
+ ///
+ public static void WriteHalfPrecision(this NetOutgoingMessage message, float value)
+ {
+ message.Write(new HalfSingle(value).PackedValue);
+ }
+
+ ///
+ /// Reads a half precision Single written using WriteHalfPrecision(float)
+ ///
+ public static float ReadHalfPrecisionSingle(this NetIncomingMessage message)
+ {
+ HalfSingle h = new HalfSingle();
+ h.PackedValue = message.ReadUInt16();
+ return h.ToSingle();
+ }
+
+ ///
+ /// Writes a Vector2
+ ///
+ public static void Write(this NetOutgoingMessage message, Vector2 vector)
+ {
+ message.Write(vector.X);
+ message.Write(vector.Y);
+ }
+
+ ///
+ /// Reads a Vector2
+ ///
+ public static Vector2 ReadVector2(this NetIncomingMessage message)
+ {
+ Vector2 retval;
+ retval.X = message.ReadSingle();
+ retval.Y = message.ReadSingle();
+ return retval;
+ }
+
+ ///
+ /// Writes a Vector3
+ ///
+ public static void Write(this NetOutgoingMessage message, Vector3 vector)
+ {
+ message.Write(vector.X);
+ message.Write(vector.Y);
+ message.Write(vector.Z);
+ }
+
+ ///
+ /// Writes a Vector3 at half precision
+ ///
+ public static void WriteHalfPrecision(this NetOutgoingMessage message, Vector3 vector)
+ {
+ message.Write(new HalfSingle(vector.X).PackedValue);
+ message.Write(new HalfSingle(vector.Y).PackedValue);
+ message.Write(new HalfSingle(vector.Z).PackedValue);
+ }
+
+ ///
+ /// Reads a Vector3
+ ///
+ public static Vector3 ReadVector3(this NetIncomingMessage message)
+ {
+ Vector3 retval;
+ retval.X = message.ReadSingle();
+ retval.Y = message.ReadSingle();
+ retval.Z = message.ReadSingle();
+ return retval;
+ }
+
+ ///
+ /// Writes a Vector3 at half precision
+ ///
+ public static Vector3 ReadHalfPrecisionVector3(this NetIncomingMessage message)
+ {
+ HalfSingle hx = new HalfSingle();
+ hx.PackedValue = message.ReadUInt16();
+
+ HalfSingle hy = new HalfSingle();
+ hy.PackedValue = message.ReadUInt16();
+
+ HalfSingle hz = new HalfSingle();
+ hz.PackedValue = message.ReadUInt16();
+
+ Vector3 retval;
+ retval.X = hx.ToSingle();
+ retval.Y = hy.ToSingle();
+ retval.Z = hz.ToSingle();
+ return retval;
+ }
+
+ ///
+ /// Writes a Vector4
+ ///
+ public static void Write(this NetOutgoingMessage message, Vector4 vector)
+ {
+ message.Write(vector.X);
+ message.Write(vector.Y);
+ message.Write(vector.Z);
+ message.Write(vector.W);
+ }
+
+ ///
+ /// Reads a Vector4
+ ///
+ public static Vector4 ReadVector4(this NetIncomingMessage message)
+ {
+ Vector4 retval;
+ retval.X = message.ReadSingle();
+ retval.Y = message.ReadSingle();
+ retval.Z = message.ReadSingle();
+ retval.W = message.ReadSingle();
+ return retval;
+ }
+
+
+ ///
+ /// Writes a unit vector (ie. a vector of length 1.0, for example a surface normal)
+ /// using specified number of bits
+ ///
+ public static void WriteUnitVector3(this NetOutgoingMessage message, Vector3 unitVector, int numberOfBits)
+ {
+ float x = unitVector.X;
+ float y = unitVector.Y;
+ float z = unitVector.Z;
+ double invPi = 1.0 / Math.PI;
+ float phi = (float)(Math.Atan2(x, y) * invPi);
+ float theta = (float)(Math.Atan2(z, Math.Sqrt(x * x + y * y)) * (invPi * 2));
+
+ int halfBits = numberOfBits / 2;
+ message.WriteSignedSingle(phi, halfBits);
+ message.WriteSignedSingle(theta, numberOfBits - halfBits);
+ }
+
+ ///
+ /// Reads a unit vector written using WriteUnitVector3(numberOfBits)
+ ///
+ public static Vector3 ReadUnitVector3(this NetIncomingMessage message, int numberOfBits)
+ {
+ int halfBits = numberOfBits / 2;
+ float phi = message.ReadSignedSingle(halfBits) * (float)Math.PI;
+ float theta = message.ReadSignedSingle(numberOfBits - halfBits) * (float)(Math.PI * 0.5);
+
+ Vector3 retval;
+ retval.X = (float)(Math.Sin(phi) * Math.Cos(theta));
+ retval.Y = (float)(Math.Cos(phi) * Math.Cos(theta));
+ retval.Z = (float)Math.Sin(theta);
+
+ return retval;
+ }
+
+ ///
+ /// Writes a unit quaternion using the specified number of bits per element
+ /// for a total of 4 x bitsPerElements bits. Suggested value is 8 to 24 bits.
+ ///
+ public static void WriteRotation(this NetOutgoingMessage message, Quaternion quaternion, int bitsPerElement)
+ {
+ if (quaternion.X > 1.0f)
+ quaternion.X = 1.0f;
+ if (quaternion.Y > 1.0f)
+ quaternion.Y = 1.0f;
+ if (quaternion.Z > 1.0f)
+ quaternion.Z = 1.0f;
+ if (quaternion.W > 1.0f)
+ quaternion.W = 1.0f;
+ if (quaternion.X < -1.0f)
+ quaternion.X = -1.0f;
+ if (quaternion.Y < -1.0f)
+ quaternion.Y = -1.0f;
+ if (quaternion.Z < -1.0f)
+ quaternion.Z = -1.0f;
+ if (quaternion.W < -1.0f)
+ quaternion.W = -1.0f;
+
+ message.WriteSignedSingle(quaternion.X, bitsPerElement);
+ message.WriteSignedSingle(quaternion.Y, bitsPerElement);
+ message.WriteSignedSingle(quaternion.Z, bitsPerElement);
+ message.WriteSignedSingle(quaternion.W, bitsPerElement);
+ }
+
+ ///
+ /// Reads a unit quaternion written using WriteRotation(... ,bitsPerElement)
+ ///
+ public static Quaternion ReadRotation(this NetIncomingMessage message, int bitsPerElement)
+ {
+ Quaternion retval;
+ retval.X = message.ReadSignedSingle(bitsPerElement);
+ retval.Y = message.ReadSignedSingle(bitsPerElement);
+ retval.Z = message.ReadSignedSingle(bitsPerElement);
+ retval.W = message.ReadSignedSingle(bitsPerElement);
+ return retval;
+ }
+
+ ///
+ /// Writes an orthonormal matrix (rotation, translation but not scaling or projection)
+ ///
+ public static void WriteMatrix(this NetOutgoingMessage message, ref Matrix matrix)
+ {
+ Quaternion rot = Quaternion.CreateFromRotationMatrix(matrix);
+ WriteRotation(message, rot, 24);
+ message.Write(matrix.M41);
+ message.Write(matrix.M42);
+ message.Write(matrix.M43);
+ }
+
+ ///
+ /// Writes an orthonormal matrix (rotation, translation but no scaling or projection)
+ ///
+ public static void WriteMatrix(this NetOutgoingMessage message, Matrix matrix)
+ {
+ Quaternion rot = Quaternion.CreateFromRotationMatrix(matrix);
+ WriteRotation(message, rot, 24);
+ message.Write(matrix.M41);
+ message.Write(matrix.M42);
+ message.Write(matrix.M43);
+ }
+
+ ///
+ /// Reads a matrix written using WriteMatrix()
+ ///
+ public static Matrix ReadMatrix(this NetIncomingMessage message)
+ {
+ Quaternion rot = ReadRotation(message, 24);
+ Matrix retval = Matrix.CreateFromQuaternion(rot);
+ retval.M41 = message.ReadSingle();
+ retval.M42 = message.ReadSingle();
+ retval.M43 = message.ReadSingle();
+ return retval;
+ }
+
+ ///
+ /// Reads a matrix written using WriteMatrix()
+ ///
+ public static void ReadMatrix(this NetIncomingMessage message, ref Matrix destination)
+ {
+ Quaternion rot = ReadRotation(message, 24);
+ destination = Matrix.CreateFromQuaternion(rot);
+ destination.M41 = message.ReadSingle();
+ destination.M42 = message.ReadSingle();
+ destination.M43 = message.ReadSingle();
+ }
+
+ ///
+ /// Writes a bounding sphere
+ ///
+ public static void Write(this NetOutgoingMessage message, BoundingSphere bounds)
+ {
+ message.Write(bounds.Center.X);
+ message.Write(bounds.Center.Y);
+ message.Write(bounds.Center.Z);
+ message.Write(bounds.Radius);
+ }
+
+ ///
+ /// Reads a bounding sphere written using Write(message, BoundingSphere)
+ ///
+ public static BoundingSphere ReadBoundingSphere(this NetIncomingMessage message)
+ {
+ BoundingSphere retval;
+ retval.Center.X = message.ReadSingle();
+ retval.Center.Y = message.ReadSingle();
+ retval.Center.Z = message.ReadSingle();
+ retval.Radius = message.ReadSingle();
+ return retval;
+ }
+ }
+}
diff --git a/Lidgren.Network/NetPeer.cs b/Lidgren.Network/NetPeer.cs
index 60034a6..98b0b89 100644
--- a/Lidgren.Network/NetPeer.cs
+++ b/Lidgren.Network/NetPeer.cs
@@ -224,6 +224,11 @@ namespace Lidgren.Network
///
/// Send a message to an existing connection
///
+ /// The NetOutgoingMessage to send
+ /// The recipient connection
+ /// How to deliver the message
+ /// Delivery channel (0-31)
+ /// True if the message was queued for delivery, else false
public bool SendMessage(NetOutgoingMessage msg, NetConnection recipient, NetDeliveryMethod deliveryMethod, int channel)
{
if (msg.IsSent)
@@ -246,12 +251,13 @@ namespace Lidgren.Network
///
/// Send a message to a number of existing connections
///
+ /// Delivery channel (0-31)
public bool SendMessage(NetOutgoingMessage msg, IEnumerable recipients, NetDeliveryMethod deliveryMethod, int channel)
{
if (msg.IsSent)
throw new NetException("Message has already been sent!");
- if (channel < 0 || channel > 63)
- throw new NetException("Channel must be between 0 and 63");
+ if (channel < 0 || channel > NetConstants.NetChannelsPerDeliveryMethod)
+ throw new NetException("Channel must be between 0 and " + (NetConstants.NetChannelsPerDeliveryMethod - 1));
if (channel != 0 && (deliveryMethod == NetDeliveryMethod.Unreliable || deliveryMethod == NetDeliveryMethod.ReliableUnordered))
throw new NetException("Channel must be 0 for Unreliable and ReliableUnordered");