* Remove unused OpenSim/Framework/RegionHandle.cs as per Homer's suggestion in mantis 2082. Thanks.
Justin Clarke Casey
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/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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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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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSim Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Net;
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using System.Net.Sockets;
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namespace OpenSim.Framework
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{
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/// <summary>
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/// A class for manipulating RegionHandle coordinates
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/// </summary>
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internal class RegionHandle
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{
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private UInt64 handle;
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/// <summary>
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/// Initialises a new grid-aware RegionHandle
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/// </summary>
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/// <param name="ip">IP Address of the Grid Server for this region</param>
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/// <param name="x">Grid X Coordinate</param>
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/// <param name="y">Grid Y Coordinate</param>
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public RegionHandle(string ip, short x, short y)
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{
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IPAddress addr = IPAddress.Parse(ip);
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if (addr.AddressFamily != AddressFamily.InterNetwork)
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throw new Exception("Bad RegionHandle Parameter - must be an IPv4 address");
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uint baseHandle = BitConverter.ToUInt32(addr.GetAddressBytes(), 0);
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// Split the IP address in half
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short a = (short) ((baseHandle << 16) & 0xFFFF);
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short b = (short) ((baseHandle << 0) & 0xFFFF);
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// Raise the bounds a little
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uint nx = (uint) x;
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uint ny = (uint) y;
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// Multiply grid coords to get region coords
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nx *= Constants.RegionSize;
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ny *= Constants.RegionSize;
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// Stuff the IP address in too
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nx = (uint) a << 16;
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ny = (uint) b << 16;
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handle = ((UInt64) nx << 32) | (uint) ny;
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}
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/// <summary>
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/// Initialises a new RegionHandle that is not inter-grid aware
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/// </summary>
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/// <param name="x">Grid X Coordinate</param>
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/// <param name="y">Grid Y Coordinate</param>
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public RegionHandle(uint x, uint y)
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{
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handle = ((x * Constants.RegionSize) << 32) | (y * Constants.RegionSize);
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}
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/// <summary>
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/// Initialises a new RegionHandle from an existing value
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/// </summary>
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/// <param name="Region">A U64 RegionHandle</param>
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public RegionHandle(UInt64 Region)
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{
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handle = Region;
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}
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/// <summary>
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/// Returns the Grid Masked RegionHandle - For use in Teleport packets and other packets where sending the grid IP address may be handy.
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/// </summary>
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/// <remarks>Do not use for SimulatorEnable packets. The client will choke.</remarks>
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/// <returns>Region Handle including IP Address encoding</returns>
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public UInt64 getTeleportHandle()
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{
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return handle;
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}
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/// <summary>
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/// Returns a RegionHandle which may be used for SimulatorEnable packets. Removes the IP address encoding and returns the lower bounds.
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/// </summary>
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/// <returns>A U64 RegionHandle for use in SimulatorEnable packets.</returns>
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public UInt64 getNeighbourHandle()
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{
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UInt64 mask = 0x0000FFFF0000FFFF;
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return handle | mask;
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}
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/// <summary>
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/// Returns the IP Address of the GridServer from a Grid-Encoded RegionHandle
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/// </summary>
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/// <returns>Grid Server IP Address</returns>
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public IPAddress getGridIP()
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{
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uint a = (uint) ((handle >> 16) & 0xFFFF);
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uint b = (uint) ((handle >> 48) & 0xFFFF);
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return new IPAddress((long) (a << 16) | (long) b);
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}
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/// <summary>
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/// Returns the X Coordinate from a Grid-Encoded RegionHandle
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/// </summary>
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/// <returns>X Coordinate</returns>
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public uint getGridX()
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{
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uint x = (uint) ((handle >> 32) & 0xFFFF);
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return x;
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}
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/// <summary>
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/// Returns the Y Coordinate from a Grid-Encoded RegionHandle
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/// </summary>
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/// <returns>Y Coordinate</returns>
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public uint getGridY()
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{
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uint y = (uint) ((handle >> 0) & 0xFFFF);
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return y;
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}
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}
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}
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