81472d88f4
* Two new classes added, a ManagedThreadPool that is a performance enhanced ThreadPool, and BlockingQueue which is a thread-safe queue that allows one end to block until something is added to the queue * Added Simulator.ReceivedResends for tracking the number of resent packets received * Added StatsCommand to TestClient to print out basic networking stats git-svn-id: http://libopenmetaverse.googlecode.com/svn/trunk@1101 52acb1d6-8a22-11de-b505-999d5b087335
1104 lines
35 KiB
C#
1104 lines
35 KiB
C#
/*
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* Copyright (c) 2006, Second Life Reverse Engineering Team
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* All rights reserved.
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*
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* - Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* - Neither the name of the Second Life Reverse Engineering Team nor the names
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* of its contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.ComponentModel;
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using System.Net;
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using System.Xml.Serialization;
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namespace libsecondlife
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{
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/// <summary>
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/// A 128-bit Universally Unique Identifier, used throughout the Second
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/// Life networking protocol
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/// </summary>
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[Serializable]
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public struct LLUUID
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{
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/// <summary>The System.Guid object this struct wraps around</summary>
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public Guid UUID;
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/// <summary>Get a byte array of the 16 raw bytes making up the UUID</summary>
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public byte[] Data { get { return GetBytes(); } }
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/// <summary>
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/// Constructor that takes a string UUID representation
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/// </summary>
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/// <param name="val">A string representation of a UUID, case
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/// insensitive and can either be hyphenated or non-hyphenated</param>
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/// <example>LLUUID("11f8aa9c-b071-4242-836b-13b7abe0d489")</example>
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public LLUUID(string val)
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{
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if (val == null)
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UUID = new Guid();
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else
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UUID = new Guid(val);
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}
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/// <summary>
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/// Constructor that takes a System.Guid object
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/// </summary>
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/// <param name="val">A Guid object that contains the unique identifier
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/// to be represented by this LLUUID</param>
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public LLUUID(Guid val)
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{
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UUID = val;
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}
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/// <summary>
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/// Constructor that takes a byte array containing a UUID
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/// </summary>
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/// <param name="source">Byte array containing a 16 byte UUID</param>
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/// <param name="pos">Beginning offset in the array</param>
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public LLUUID(byte[] source, int pos)
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{
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UUID = new Guid(
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(source[pos + 0] << 24) | (source[pos + 1] << 16) | (source[pos + 2] << 8) | source[pos + 3],
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(short)((source[pos + 4] << 8) | source[pos + 5]),
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(short)((source[pos + 6] << 8) | source[pos + 7]),
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source[pos + 8], source[pos + 9], source[pos + 10], source[pos + 11],
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source[pos + 12], source[pos + 13], source[pos + 14], source[pos + 15]);
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}
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/// <summary>
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/// Constructor that takes an unsigned 64-bit unsigned integer to
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/// convert to a UUID
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/// </summary>
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/// <param name="val">64-bit unsigned integer to convert to a UUID</param>
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public LLUUID(ulong val)
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{
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UUID = new Guid(0, 0, 0, BitConverter.GetBytes(val));
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}
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/// <summary>
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/// Returns the raw bytes for this UUID
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/// </summary>
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/// <returns>A 16 byte array containing this UUID</returns>
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public byte[] GetBytes()
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{
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byte[] bytes = UUID.ToByteArray();
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if (BitConverter.IsLittleEndian)
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{
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byte[] output = new byte[16];
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output[0] = bytes[3];
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output[1] = bytes[2];
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output[2] = bytes[1];
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output[3] = bytes[0];
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output[4] = bytes[5];
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output[5] = bytes[4];
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output[6] = bytes[7];
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output[7] = bytes[6];
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Array.Copy(bytes, 8, output, 8, 8);
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return output;
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}
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else
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{
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return bytes;
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}
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}
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/// <summary>
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/// Calculate an LLCRC (cyclic redundancy check) for this LLUUID
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/// </summary>
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/// <returns>The CRC checksum for this LLUUID</returns>
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public uint CRC()
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{
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uint retval = 0;
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byte[] bytes = GetBytes();
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retval += (uint)((bytes[ 3] << 24) + (bytes[ 2] << 16) + (bytes[ 1] << 8) + bytes[ 0]);
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retval += (uint)((bytes[ 7] << 24) + (bytes[ 6] << 16) + (bytes[ 5] << 8) + bytes[ 4]);
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retval += (uint)((bytes[11] << 24) + (bytes[10] << 16) + (bytes[ 9] << 8) + bytes[ 8]);
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retval += (uint)((bytes[15] << 24) + (bytes[14] << 16) + (bytes[13] << 8) + bytes[12]);
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return retval;
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}
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/// <summary>
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/// Combine two UUIDs together by taking the MD5 hash of a byte array
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/// containing both UUIDs
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/// </summary>
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/// <param name="other">The UUID to combine with this one</param>
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/// <returns>The UUID product of the combination</returns>
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public LLUUID Combine(LLUUID other)
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{
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// Build the buffer to MD5
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byte[] input = new byte[32];
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Array.Copy(GetBytes(), input, 16);
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Array.Copy(other.GetBytes(), 0, input, 16, 16);
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return new LLUUID(Helpers.MD5Builder.ComputeHash(input), 0);
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}
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/// <summary>
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/// Generate a LLUUID from a string
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/// </summary>
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/// <param name="val">A string representation of a UUID, case
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/// insensitive and can either be hyphenated or non-hyphenated</param>
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/// <example>LLUUID.Parse("11f8aa9c-b071-4242-836b-13b7abe0d489")</example>
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public static LLUUID Parse(string val)
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{
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return new LLUUID(val);
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}
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/// <summary>
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/// Generate a LLUUID from a string
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/// </summary>
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/// <param name="val">A string representation of a UUID, case
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/// insensitive and can either be hyphenated or non-hyphenated</param>
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/// <param name="result">Will contain the parsed UUID if successful,
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/// otherwise null</param>
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/// <returns>True if the string was successfully parse, otherwise false</returns>
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/// <example>LLUUID.TryParse("11f8aa9c-b071-4242-836b-13b7abe0d489", result)</example>
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public static bool TryParse(string val, out LLUUID result)
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{
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try
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{
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result = Parse(val);
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return true;
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}
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catch (Exception)
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{
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result = LLUUID.Zero;
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return false;
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}
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}
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/// <summary>
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///
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/// </summary>
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/// <returns></returns>
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public static LLUUID Random()
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{
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return new LLUUID(Guid.NewGuid());
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}
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/// <summary>
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/// Return a hash code for this UUID, used by .NET for hash tables
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/// </summary>
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/// <returns>An integer composed of all the UUID bytes XORed together</returns>
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public override int GetHashCode()
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{
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return UUID.GetHashCode();
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}
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/// <summary>
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/// Comparison function
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/// </summary>
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/// <param name="o">An object to compare to this UUID</param>
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/// <returns>False if the object is not an LLUUID, true if it is and
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/// byte for byte identical to this</returns>
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public override bool Equals(object o)
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{
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if (!(o is LLUUID)) return false;
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LLUUID uuid = (LLUUID)o;
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return UUID == uuid.UUID;
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}
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/// <summary>
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/// Equals operator
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/// </summary>
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/// <param name="lhs">First LLUUID for comparison</param>
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/// <param name="rhs">Second LLUUID for comparison</param>
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/// <returns>True if the UUIDs are byte for byte equal, otherwise false</returns>
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public static bool operator==(LLUUID lhs, LLUUID rhs)
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{
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return lhs.UUID == rhs.UUID;
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}
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/// <summary>
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/// Not equals operator
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/// </summary>
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/// <param name="lhs">First LLUUID for comparison</param>
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/// <param name="rhs">Second LLUUID for comparison</param>
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/// <returns>True if the UUIDs are not equal, otherwise true</returns>
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public static bool operator!=(LLUUID lhs, LLUUID rhs)
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{
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return !(lhs == rhs);
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}
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/// <summary>
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/// XOR operator
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/// </summary>
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/// <param name="lhs">First LLUUID</param>
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/// <param name="rhs">Second LLUUID</param>
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/// <returns>A UUID that is a XOR combination of the two input UUIDs</returns>
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public static LLUUID operator ^(LLUUID lhs, LLUUID rhs)
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{
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byte[] lhsbytes = lhs.GetBytes();
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byte[] rhsbytes = rhs.GetBytes();
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byte[] output = new byte[16];
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for (int i = 0; i < 16; i++)
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{
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output[i] = (byte)(lhsbytes[i] ^ rhsbytes[i]);
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}
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return new LLUUID(output, 0);
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}
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/// <summary>
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/// String typecasting operator
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/// </summary>
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/// <param name="val">A UUID in string form. Case insensitive,
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/// hyphenated or non-hyphenated</param>
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/// <returns>A UUID built from the string representation</returns>
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public static implicit operator LLUUID(string val)
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{
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return new LLUUID(val);
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}
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/// <summary>
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/// Get a string representation of this UUID
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/// </summary>
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/// <returns>A string representation of this UUID, lowercase and
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/// without hyphens</returns>
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/// <example>11f8aa9cb0714242836b13b7abe0d489</example>
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public override string ToString()
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{
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string uuid = UUID.ToString();
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return uuid.Replace("-", String.Empty);
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}
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/// <summary>
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/// Get a hyphenated string representation of this UUID
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/// </summary>
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/// <returns>A string representation of this UUID, lowercase and
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/// with hyphens</returns>
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/// <example>11f8aa9c-b071-4242-836b-13b7abe0d489</example>
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public string ToStringHyphenated()
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{
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return UUID.ToString();
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}
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/// <summary>
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/// An LLUUID with a value of all zeroes
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/// </summary>
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public static readonly LLUUID Zero = new LLUUID();
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}
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/// <summary>
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/// A three-dimensional vector with floating-point values
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/// </summary>
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[Serializable]
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public struct LLVector3
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{
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/// <summary>X value</summary>
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[XmlAttribute("x"), DefaultValue(0)] public float X;
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/// <summary>Y value</summary>
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[XmlAttribute("y"), DefaultValue(0)] public float Y;
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/// <summary>Z value</summary>
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[XmlAttribute("z"), DefaultValue(0)] public float Z;
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/// <summary>
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/// Constructor, builds a single-precision vector from a
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/// double-precision one
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/// </summary>
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/// <param name="vector">A double-precision vector</param>
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public LLVector3(LLVector3d vector)
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{
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X = (float)vector.X;
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Y = (float)vector.Y;
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Z = (float)vector.Z;
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}
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/// <summary>
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/// Constructor, builds a vector from a byte array
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/// </summary>
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/// <param name="byteArray">Byte array containing a 12 byte vector</param>
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/// <param name="pos">Beginning position in the byte array</param>
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public LLVector3(byte[] byteArray, int pos)
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{
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if (!BitConverter.IsLittleEndian)
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{
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byte[] newArray = new byte[12];
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Array.Copy(byteArray, pos, newArray, 0, 12);
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Array.Reverse(newArray, 0, 4);
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Array.Reverse(newArray, 4, 4);
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Array.Reverse(newArray, 8, 4);
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X = BitConverter.ToSingle(newArray, 0);
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Y = BitConverter.ToSingle(newArray, 4);
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Z = BitConverter.ToSingle(newArray, 8);
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}
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else
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{
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X = BitConverter.ToSingle(byteArray, pos);
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Y = BitConverter.ToSingle(byteArray, pos + 4);
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Z = BitConverter.ToSingle(byteArray, pos + 8);
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}
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}
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/// <summary>
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/// Constructor, builds a vector for individual float values
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/// </summary>
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/// <param name="x">X value</param>
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/// <param name="y">Y value</param>
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/// <param name="z">Z value</param>
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public LLVector3(float x, float y, float z)
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{
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X = x;
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Y = y;
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Z = z;
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}
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/// <summary>
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/// Returns the raw bytes for this vector
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/// </summary>
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/// <returns>A 12 byte array containing X, Y, and Z</returns>
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public byte[] GetBytes()
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{
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byte[] byteArray = new byte[12];
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Array.Copy(BitConverter.GetBytes(X), 0, byteArray, 0, 4);
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Array.Copy(BitConverter.GetBytes(Y), 0, byteArray, 4, 4);
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Array.Copy(BitConverter.GetBytes(Z), 0, byteArray, 8, 4);
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if(!BitConverter.IsLittleEndian) {
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Array.Reverse(byteArray, 0, 4);
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Array.Reverse(byteArray, 4, 4);
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Array.Reverse(byteArray, 8, 4);
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}
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return byteArray;
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}
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/// <summary>
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/// Get the distance to point
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/// </summary>
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/// <param name="Pt"></param>
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/// <returns></returns>
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public double GetDistanceTo(LLVector3 Pt)
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{
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return Math.Sqrt(((X - Pt.X) * (X - Pt.X)) + ((Y - Pt.Y) * (Y - Pt.Y)) + ((Z - Pt.Z) * (Z - Pt.Z)));
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}
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/// <summary>
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/// Get a formatted string representation of the vector
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/// </summary>
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/// <returns>A string representation of the vector, similar to the LSL
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/// vector to string conversion in Second Life</returns>
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public override string ToString()
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{
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return String.Format("<{0}, {1}, {2}>", X, Y, Z);
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}
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/// <summary>
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/// A hash of the vector, used by .NET for hash tables
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/// </summary>
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/// <returns>The hashes of the individual components XORed together</returns>
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public override int GetHashCode()
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{
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return (X.GetHashCode() ^ Y.GetHashCode() ^ Z.GetHashCode());
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}
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/// <summary>
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/// Generate an LLVector3 from a string
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/// </summary>
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/// <param name="val">A string representation of a 3D vector, enclosed
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/// in arrow brackets and separated by commas</param>
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public static LLVector3 Parse(string val)
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{
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char[] splitChar = { ',', ' ' };
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string[] split = val.Replace("<","").Replace(">","").Split(splitChar, StringSplitOptions.RemoveEmptyEntries);
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return new LLVector3(float.Parse(split[0].Trim()), float.Parse(split[1].Trim()), float.Parse(split[2].Trim()));
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}
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public static bool TryParse(string val, out LLVector3 result)
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{
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try
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{
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result = Parse(val);
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return true;
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}
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catch (Exception)
|
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{
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result = new LLVector3();
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return false;
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}
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}
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|
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/// <summary>
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///
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/// </summary>
|
|
/// <param name="o"></param>
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/// <returns></returns>
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public override bool Equals(object o)
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{
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if (!(o is LLVector3)) return false;
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LLVector3 vector = (LLVector3)o;
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return (X == vector.X && Y == vector.Y && Z == vector.Z);
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}
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|
|
/// <summary>
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|
///
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|
/// </summary>
|
|
/// <param name="lhs"></param>
|
|
/// <param name="rhs"></param>
|
|
/// <returns></returns>
|
|
public static bool operator==(LLVector3 lhs, LLVector3 rhs)
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{
|
|
// If both are null, or both are same instance, return true
|
|
if (System.Object.ReferenceEquals(lhs, rhs))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
// If one is null, but not both, return false.
|
|
if (((object)lhs == null) || ((object)rhs == null))
|
|
{
|
|
return false;
|
|
}
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|
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return (lhs.X == rhs.X && lhs.Y == rhs.Y && lhs.Z == rhs.Z);
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|
}
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|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <param name="lhs"></param>
|
|
/// <param name="rhs"></param>
|
|
/// <returns></returns>
|
|
public static bool operator!=(LLVector3 lhs, LLVector3 rhs)
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{
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return !(lhs == rhs);
|
|
}
|
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|
public static LLVector3 operator +(LLVector3 lhs, LLVector3 rhs)
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{
|
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return new LLVector3(lhs.X + rhs.X, lhs.Y + rhs.Y, lhs.Z + rhs.Z);
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|
}
|
|
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <param name="lhs"></param>
|
|
/// <param name="rhs"></param>
|
|
/// <returns></returns>
|
|
public static LLVector3 operator -(LLVector3 lhs, LLVector3 rhs)
|
|
{
|
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return new LLVector3(lhs.X - rhs.X,lhs.Y - rhs.Y, lhs.Z - rhs.Z);
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|
}
|
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|
public static LLVector3 operator *(LLVector3 vec, LLQuaternion quat)
|
|
{
|
|
LLQuaternion vq = new LLQuaternion(vec.X, vec.Y, vec.Z, 0);
|
|
LLQuaternion nq = new LLQuaternion(-quat.X, -quat.Y, -quat.Z, quat.W);
|
|
|
|
LLQuaternion result = (quat * vq) * nq;
|
|
|
|
return new LLVector3(result.X, result.Y, result.Z);
|
|
}
|
|
|
|
/// <summary>
|
|
/// An LLVector3 with a value of 0,0,0
|
|
/// </summary>
|
|
public readonly static LLVector3 Zero = new LLVector3();
|
|
}
|
|
|
|
/// <summary>
|
|
/// A double-precision three-dimensional vector
|
|
/// </summary>
|
|
[Serializable]
|
|
public struct LLVector3d
|
|
{
|
|
/// <summary>X value</summary>
|
|
[XmlAttribute("x"), DefaultValue(0)] public double X;
|
|
/// <summary>Y value</summary>
|
|
[XmlAttribute("y"), DefaultValue(0)] public double Y;
|
|
/// <summary>Z value</summary>
|
|
[XmlAttribute("z"), DefaultValue(0)] public double Z;
|
|
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <param name="x"></param>
|
|
/// <param name="y"></param>
|
|
/// <param name="z"></param>
|
|
public LLVector3d(double x, double y, double z)
|
|
{
|
|
X = x;
|
|
Y = y;
|
|
Z = z;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Create a double precision vector from a float vector
|
|
/// </summary>
|
|
/// <param name="llv3"></param>
|
|
public LLVector3d(LLVector3 llv3)
|
|
{
|
|
X = llv3.X;
|
|
Y = llv3.Y;
|
|
Z = llv3.Z;
|
|
}
|
|
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <param name="byteArray"></param>
|
|
/// <param name="pos"></param>
|
|
public LLVector3d(byte[] byteArray, int pos)
|
|
{
|
|
if (!BitConverter.IsLittleEndian)
|
|
{
|
|
byte[] newArray = new byte[24];
|
|
Array.Copy(byteArray, pos, newArray, 0, 24);
|
|
|
|
Array.Reverse(newArray, 0, 8);
|
|
Array.Reverse(newArray, 8, 8);
|
|
Array.Reverse(newArray, 16, 8);
|
|
|
|
X = BitConverter.ToDouble(newArray, 0);
|
|
Y = BitConverter.ToDouble(newArray, 8);
|
|
Z = BitConverter.ToDouble(newArray, 16);
|
|
}
|
|
else
|
|
{
|
|
X = BitConverter.ToDouble(byteArray, pos);
|
|
Y = BitConverter.ToDouble(byteArray, pos + 8);
|
|
Z = BitConverter.ToDouble(byteArray, pos + 16);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// A hash of the vector, used by .NET for hash tables
|
|
/// </summary>
|
|
/// <returns>The hashes of the individual components XORed together</returns>
|
|
public override int GetHashCode()
|
|
{
|
|
return (X.GetHashCode() ^ Y.GetHashCode() ^ Z.GetHashCode());
|
|
}
|
|
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <param name="o"></param>
|
|
/// <returns></returns>
|
|
public override bool Equals(object o)
|
|
{
|
|
if (!(o is LLVector3d)) return false;
|
|
|
|
LLVector3d vector = (LLVector3d)o;
|
|
|
|
return (X == vector.X && Y == vector.Y && Z == vector.Z);
|
|
}
|
|
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <param name="lhs"></param>
|
|
/// <param name="rhs"></param>
|
|
/// <returns></returns>
|
|
public static bool operator ==(LLVector3d lhs, LLVector3d rhs)
|
|
{
|
|
// If both are null, or both are same instance, return true
|
|
if (System.Object.ReferenceEquals(lhs, rhs))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
// If one is null, but not both, return false.
|
|
if (((object)lhs == null) || ((object)rhs == null))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return (lhs.X == rhs.X && lhs.Y == rhs.Y && lhs.Z == rhs.Z);
|
|
}
|
|
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <param name="lhs"></param>
|
|
/// <param name="rhs"></param>
|
|
/// <returns></returns>
|
|
public static bool operator !=(LLVector3d lhs, LLVector3d rhs)
|
|
{
|
|
return !(lhs == rhs);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Get the distance to point
|
|
/// </summary>
|
|
/// <param name="Pt"></param>
|
|
/// <returns></returns>
|
|
public double GetDistanceTo(LLVector3d Pt)
|
|
{
|
|
return Math.Sqrt(((X - Pt.X) * (X - Pt.X)) + ((Y - Pt.Y) * (Y - Pt.Y)) + ((Z - Pt.Z) * (Z - Pt.Z)));
|
|
}
|
|
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <returns></returns>
|
|
public byte[] GetBytes()
|
|
{
|
|
byte[] byteArray = new byte[24];
|
|
|
|
Array.Copy(BitConverter.GetBytes(X), 0, byteArray, 0, 8);
|
|
Array.Copy(BitConverter.GetBytes(Y), 0, byteArray, 8, 8);
|
|
Array.Copy(BitConverter.GetBytes(Z), 0, byteArray, 16, 8);
|
|
|
|
if(!BitConverter.IsLittleEndian)
|
|
{
|
|
Array.Reverse(byteArray, 0, 8);
|
|
Array.Reverse(byteArray, 8, 8);
|
|
Array.Reverse(byteArray, 16, 8);
|
|
}
|
|
|
|
return byteArray;
|
|
}
|
|
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <returns></returns>
|
|
public override string ToString()
|
|
{
|
|
return String.Format("<{0}, {1}, {2}>", X, Y, Z);
|
|
}
|
|
|
|
/// <summary>
|
|
/// An LLVector3d with a value of 0,0,0
|
|
/// </summary>
|
|
public static readonly LLVector3d Zero = new LLVector3d();
|
|
}
|
|
|
|
/// <summary>
|
|
/// A four-dimensional vector
|
|
/// </summary>
|
|
[Serializable]
|
|
public struct LLVector4
|
|
{
|
|
/// <summary></summary>
|
|
[XmlAttribute("x"), DefaultValue(0)] public float X;
|
|
/// <summary></summary>
|
|
[XmlAttribute("y"), DefaultValue(0)] public float Y;
|
|
/// <summary></summary>
|
|
[XmlAttribute("z"), DefaultValue(0)] public float Z;
|
|
/// <summary></summary>
|
|
[XmlAttribute("s"), DefaultValue(0)] public float S;
|
|
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <param name="byteArray"></param>
|
|
/// <param name="pos"></param>
|
|
public LLVector4(byte[] byteArray, int pos)
|
|
{
|
|
if (!BitConverter.IsLittleEndian)
|
|
{
|
|
byte[] newArray = new byte[16];
|
|
Array.Copy(byteArray, pos, newArray, 0, 16);
|
|
|
|
Array.Reverse(newArray, 0, 4);
|
|
Array.Reverse(newArray, 4, 4);
|
|
Array.Reverse(newArray, 8, 4);
|
|
Array.Reverse(newArray, 12, 4);
|
|
|
|
X = BitConverter.ToSingle(newArray, 0);
|
|
Y = BitConverter.ToSingle(newArray, 4);
|
|
Z = BitConverter.ToSingle(newArray, 8);
|
|
S = BitConverter.ToSingle(newArray, 12);
|
|
}
|
|
else
|
|
{
|
|
X = BitConverter.ToSingle(byteArray, pos);
|
|
Y = BitConverter.ToSingle(byteArray, pos + 4);
|
|
Z = BitConverter.ToSingle(byteArray, pos + 8);
|
|
S = BitConverter.ToSingle(byteArray, pos + 12);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <returns></returns>
|
|
public byte[] GetBytes()
|
|
{
|
|
byte[] byteArray = new byte[16];
|
|
|
|
Array.Copy(BitConverter.GetBytes(X), 0, byteArray, 0, 4);
|
|
Array.Copy(BitConverter.GetBytes(Y), 0, byteArray, 4, 4);
|
|
Array.Copy(BitConverter.GetBytes(Z), 0, byteArray, 8, 4);
|
|
Array.Copy(BitConverter.GetBytes(S), 0, byteArray, 12, 4);
|
|
|
|
if(!BitConverter.IsLittleEndian) {
|
|
Array.Reverse(byteArray, 0, 4);
|
|
Array.Reverse(byteArray, 4, 4);
|
|
Array.Reverse(byteArray, 8, 4);
|
|
Array.Reverse(byteArray, 12, 4);
|
|
}
|
|
|
|
return byteArray;
|
|
}
|
|
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <returns></returns>
|
|
public override string ToString()
|
|
{
|
|
return String.Format("<{0}, {1}, {2}, {3}>", X, Y, Z, S);
|
|
}
|
|
|
|
/// <summary>
|
|
/// An LLVector4 with a value of 0,0,0,0
|
|
/// </summary>
|
|
public readonly static LLVector4 Zero = new LLVector4();
|
|
}
|
|
|
|
/// <summary>
|
|
/// An 8-bit color structure including an alpha channel
|
|
/// </summary>
|
|
[Serializable]
|
|
public struct LLColor
|
|
{
|
|
/// <summary>Red</summary>
|
|
[XmlAttribute("r"), DefaultValue(0)]
|
|
public float R;
|
|
/// <summary>Green</summary>
|
|
[XmlAttribute("g"), DefaultValue(0)]
|
|
public float G;
|
|
/// <summary>Blue</summary>
|
|
[XmlAttribute("b"), DefaultValue(0)]
|
|
public float B;
|
|
/// <summary>Alpha</summary>
|
|
[XmlAttribute("a"), DefaultValue(0)]
|
|
public float A;
|
|
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <param name="r"></param>
|
|
/// <param name="g"></param>
|
|
/// <param name="b"></param>
|
|
/// <param name="a"></param>
|
|
public LLColor(byte r, byte g, byte b, byte a)
|
|
{
|
|
float quanta = 1.0f / 255.0f;
|
|
|
|
R = (float)r * quanta;
|
|
G = (float)g * quanta;
|
|
B = (float)b * quanta;
|
|
A = (float)a * quanta;
|
|
}
|
|
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <param name="byteArray"></param>
|
|
/// <param name="pos"></param>
|
|
public LLColor(byte[] byteArray, int pos)
|
|
{
|
|
float quanta = 1.0f / 255.0f;
|
|
|
|
R = (float)byteArray[pos] * quanta;
|
|
G = (float)byteArray[pos + 1] * quanta;
|
|
B = (float)byteArray[pos + 2] * quanta;
|
|
A = (float)byteArray[pos + 3] * quanta;
|
|
}
|
|
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <returns></returns>
|
|
public byte[] GetBytes()
|
|
{
|
|
byte[] byteArray = new byte[4];
|
|
|
|
byteArray[0] = Helpers.FloatToByte(R, 0.0f, 255.0f);
|
|
byteArray[1] = Helpers.FloatToByte(G, 0.0f, 255.0f);
|
|
byteArray[2] = Helpers.FloatToByte(B, 0.0f, 255.0f);
|
|
byteArray[3] = Helpers.FloatToByte(A, 0.0f, 255.0f);
|
|
|
|
return byteArray;
|
|
}
|
|
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <returns></returns>
|
|
public override string ToString()
|
|
{
|
|
return String.Format("<{0}, {1}, {2}, {3}>", R, G, B, A);
|
|
}
|
|
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <returns></returns>
|
|
public string ToStringRGB()
|
|
{
|
|
return String.Format("<{0}, {1}, {2}>", R, G, B);
|
|
}
|
|
|
|
/// <summary>
|
|
/// An LLColor with a value of 0,0,0,255
|
|
/// </summary>
|
|
public readonly static LLColor Black = new LLColor(0, 0, 0, 255);
|
|
}
|
|
|
|
/// <summary>
|
|
/// A quaternion, used for rotations
|
|
/// </summary>
|
|
[Serializable]
|
|
public struct LLQuaternion
|
|
{
|
|
/// <summary>X value</summary>
|
|
[XmlAttribute("x"), DefaultValue(0)] public float X;
|
|
/// <summary>Y value</summary>
|
|
[XmlAttribute("y"), DefaultValue(0)] public float Y;
|
|
/// <summary>Z value</summary>
|
|
[XmlAttribute("z"), DefaultValue(0)] public float Z;
|
|
/// <summary>W value</summary>
|
|
[XmlAttribute("w"), DefaultValue(0)] public float W;
|
|
|
|
/// <summary>
|
|
/// Build a quaternion object from a byte array
|
|
/// </summary>
|
|
/// <param name="byteArray">The source byte array</param>
|
|
/// <param name="pos">Offset in the byte array to start reading at</param>
|
|
/// <param name="normalized">Whether the source data is normalized or
|
|
/// not. If this is true 12 bytes will be read, otherwise 16 bytes will
|
|
/// be read.</param>
|
|
public LLQuaternion(byte[] byteArray, int pos, bool normalized)
|
|
{
|
|
if (!normalized)
|
|
{
|
|
if (!BitConverter.IsLittleEndian)
|
|
{
|
|
byte[] newArray = new byte[16];
|
|
Array.Copy(byteArray, pos, newArray, 0, 16);
|
|
|
|
Array.Reverse(newArray, 0, 4);
|
|
Array.Reverse(newArray, 4, 4);
|
|
Array.Reverse(newArray, 8, 4);
|
|
Array.Reverse(newArray, 12, 4);
|
|
|
|
X = BitConverter.ToSingle(newArray, 0);
|
|
Y = BitConverter.ToSingle(newArray, 4);
|
|
Z = BitConverter.ToSingle(newArray, 8);
|
|
W = BitConverter.ToSingle(newArray, 12);
|
|
}
|
|
else
|
|
{
|
|
X = BitConverter.ToSingle(byteArray, pos);
|
|
Y = BitConverter.ToSingle(byteArray, pos + 4);
|
|
Z = BitConverter.ToSingle(byteArray, pos + 8);
|
|
W = BitConverter.ToSingle(byteArray, pos + 12);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (!BitConverter.IsLittleEndian)
|
|
{
|
|
byte[] newArray = new byte[12];
|
|
Array.Copy(byteArray, pos, newArray, 0, 12);
|
|
|
|
Array.Reverse(newArray, 0, 4);
|
|
Array.Reverse(newArray, 4, 4);
|
|
Array.Reverse(newArray, 8, 4);
|
|
|
|
X = BitConverter.ToSingle(newArray, 0);
|
|
Y = BitConverter.ToSingle(newArray, 4);
|
|
Z = BitConverter.ToSingle(newArray, 8);
|
|
}
|
|
else
|
|
{
|
|
X = BitConverter.ToSingle(byteArray, pos);
|
|
Y = BitConverter.ToSingle(byteArray, pos + 4);
|
|
Z = BitConverter.ToSingle(byteArray, pos + 8);
|
|
}
|
|
|
|
float xyzsum = 1 - X * X - Y * Y - Z * Z;
|
|
W = (xyzsum > 0) ? (float)Math.Sqrt(xyzsum) : 0;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Build a quaternion from normalized float values
|
|
/// </summary>
|
|
/// <param name="x">X value from -1.0 to 1.0</param>
|
|
/// <param name="y">Y value from -1.0 to 1.0</param>
|
|
/// <param name="z">Z value from -1.0 to 1.0</param>
|
|
public LLQuaternion(float x, float y, float z)
|
|
{
|
|
X = x;
|
|
Y = y;
|
|
Z = z;
|
|
|
|
float xyzsum = 1 - X * X - Y * Y - Z * Z;
|
|
W = (xyzsum > 0) ? (float)Math.Sqrt(xyzsum) : 0;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Build a quaternion from individual float values
|
|
/// </summary>
|
|
/// <param name="x">X value</param>
|
|
/// <param name="y">Y value</param>
|
|
/// <param name="z">Z value</param>
|
|
/// <param name="w">W value</param>
|
|
public LLQuaternion(float x, float y, float z, float w)
|
|
{
|
|
X = x;
|
|
Y = y;
|
|
Z = z;
|
|
W = w;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Normalize this quaternion and serialize it to a byte array
|
|
/// </summary>
|
|
/// <returns>A 12 byte array containing normalized X, Y, and Z floating
|
|
/// point values in order using little endian byte ordering</returns>
|
|
public byte[] GetBytes()
|
|
{
|
|
byte[] bytes = new byte[12];
|
|
float norm;
|
|
|
|
norm = (float)Math.Sqrt(X*X + Y*Y + Z*Z + W*W);
|
|
|
|
if (norm != 0)
|
|
{
|
|
norm = 1 / norm;
|
|
|
|
Array.Copy(BitConverter.GetBytes(norm * X), 0, bytes, 0, 4);
|
|
Array.Copy(BitConverter.GetBytes(norm * Y), 0, bytes, 4, 4);
|
|
Array.Copy(BitConverter.GetBytes(norm * Z), 0, bytes, 8, 4);
|
|
|
|
if (!BitConverter.IsLittleEndian)
|
|
{
|
|
Array.Reverse(bytes, 0, 4);
|
|
Array.Reverse(bytes, 4, 4);
|
|
Array.Reverse(bytes, 8, 4);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
throw new Exception("Quaternion " + this.ToString() + " normalized to zero");
|
|
}
|
|
|
|
return bytes;
|
|
}
|
|
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <returns></returns>
|
|
public override int GetHashCode()
|
|
{
|
|
return (X.GetHashCode() ^ Y.GetHashCode() ^ Z.GetHashCode() ^ W.GetHashCode());
|
|
}
|
|
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <param name="o"></param>
|
|
/// <returns></returns>
|
|
public override bool Equals(object o)
|
|
{
|
|
if (!(o is LLQuaternion)) return false;
|
|
|
|
LLQuaternion quaternion = (LLQuaternion)o;
|
|
|
|
return X == quaternion.X && Y == quaternion.Y && Z == quaternion.Z && W == quaternion.W;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Comparison operator
|
|
/// </summary>
|
|
/// <param name="lhs"></param>
|
|
/// <param name="rhs"></param>
|
|
/// <returns></returns>
|
|
public static bool operator ==(LLQuaternion lhs, LLQuaternion rhs)
|
|
{
|
|
// If both are null, or both are same instance, return true
|
|
if (System.Object.ReferenceEquals(lhs, rhs))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
// If one is null, but not both, return false.
|
|
if (((object)lhs == null) || ((object)rhs == null))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// Return true if the fields match:
|
|
return lhs.X == rhs.X && lhs.Y == rhs.Y && lhs.Z == rhs.Z && lhs.W == rhs.W;
|
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}
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|
|
|
/// <summary>
|
|
/// Not comparison operator
|
|
/// </summary>
|
|
/// <param name="lhs"></param>
|
|
/// <param name="rhs"></param>
|
|
/// <returns></returns>
|
|
public static bool operator !=(LLQuaternion lhs, LLQuaternion rhs)
|
|
{
|
|
return !(lhs == rhs);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Multiplication operator
|
|
/// </summary>
|
|
/// <param name="lhs"></param>
|
|
/// <param name="rhs"></param>
|
|
/// <returns></returns>
|
|
public static LLQuaternion operator *(LLQuaternion lhs, LLQuaternion rhs)
|
|
{
|
|
LLQuaternion ret = new LLQuaternion();
|
|
ret.W = lhs.W * rhs.W - lhs.X * rhs.X - lhs.Y * rhs.Y - lhs.Z * rhs.Z;
|
|
ret.X = lhs.W * rhs.X + lhs.X * rhs.W + lhs.Y * rhs.Z - lhs.Z * rhs.Y;
|
|
ret.Y = lhs.W * rhs.Y + lhs.Y * rhs.W + lhs.Z * rhs.X - lhs.X * rhs.Z;
|
|
ret.Z = lhs.W * rhs.Z + lhs.Z * rhs.W + lhs.X * rhs.Y - lhs.Y * rhs.X;
|
|
return ret;
|
|
}
|
|
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <returns></returns>
|
|
public override string ToString()
|
|
{
|
|
return "<" + X.ToString() + ", " + Y.ToString() + ", " + Z.ToString() + ", " + W.ToString() + ">";
|
|
}
|
|
|
|
/// <summary>
|
|
/// An LLQuaternion with a value of 0,0,0,1
|
|
/// </summary>
|
|
public readonly static LLQuaternion Identity = new LLQuaternion(0, 0, 0, 1);
|
|
}
|
|
}
|