500 lines
19 KiB
C#
500 lines
19 KiB
C#
/*
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* Copyright (c) 2006-2016, openmetaverse.co
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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 openmetaverse.co 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 OpenMetaverse;
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Windows.Forms;
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namespace OpenMetaverse.GUI
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{
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/// <summary>
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/// ListView GUI component for viewing a client's nearby avatars list
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/// </summary>
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public class AvatarList : ListView
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{
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private GridClient _Client;
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private ListColumnSorter _ColumnSorter = new ListColumnSorter();
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private TrackedAvatar _SelectedAvatar;
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private DoubleDictionary<uint, UUID, TrackedAvatar> _TrackedAvatars = new DoubleDictionary<uint, UUID, TrackedAvatar>();
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private Dictionary<UUID, TrackedAvatar> _UntrackedAvatars = new Dictionary<UUID, TrackedAvatar>();
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public delegate void AvatarCallback(TrackedAvatar trackedAvatar);
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/// <summary>
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/// Triggered when the user double clicks on an avatar in the list
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/// </summary>
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public event AvatarCallback OnAvatarDoubleClick;
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/// <summary>
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/// Triggered when a new avatar is added to the list
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/// </summary>
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public event AvatarCallback OnAvatarAdded;
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/// <summary>
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/// Triggered when an avatar is removed from the list
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/// </summary>
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public event AvatarCallback OnAvatarRemoved;
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/// <summary>
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/// Gets or sets the GridClient associated with this control
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/// </summary>
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public GridClient Client
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{
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get { return _Client; }
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set { if (value != null) InitializeClient(value); }
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}
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/// <summary>
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/// Returns the current selected avatar in the tracked avatars list
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/// </summary>
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public TrackedAvatar SelectedAvatar
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{
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get { return _SelectedAvatar; }
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}
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/// <summary>
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/// TreeView control for an unspecified client's nearby avatar list
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/// </summary>
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public AvatarList()
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{
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ColumnHeader header1 = this.Columns.Add("Name");
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header1.Width = this.Width - 20;
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ColumnHeader header2 = this.Columns.Add(" ");
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header2.Width = 40;
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this.MultiSelect = false;
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this.SelectedIndexChanged += new EventHandler(AvatarList_SelectedIndexChanged);
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_ColumnSorter.SortColumn = 1;
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this.Sorting = SortOrder.Ascending;
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this.ListViewItemSorter = _ColumnSorter;
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EventHandler clickHandler = new EventHandler(defaultMenuItem_Click);
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this.ContextMenu = new ContextMenu();
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this.ContextMenu.MenuItems.Add("Offer Teleport", clickHandler);
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this.ContextMenu.MenuItems.Add("Teleport To", clickHandler);
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this.ContextMenu.MenuItems.Add("Walk To", clickHandler);
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this.DoubleBuffered = true;
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this.ListViewItemSorter = _ColumnSorter;
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this.View = View.Details;
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this.ColumnClick += new ColumnClickEventHandler(AvatarList_ColumnClick);
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this.DoubleClick += new EventHandler(AvatarList_DoubleClick);
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}
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void AvatarList_SelectedIndexChanged(object sender, EventArgs e)
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{
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lock (_TrackedAvatars)
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{
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lock (_UntrackedAvatars)
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{
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if (this.SelectedItems.Count > 0)
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{
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UUID selectedID = new UUID(this.SelectedItems[0].Name);
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TrackedAvatar selectedAV;
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if (!_TrackedAvatars.TryGetValue(selectedID, out selectedAV) && !_UntrackedAvatars.TryGetValue(selectedID, out selectedAV))
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selectedAV = null;
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_SelectedAvatar = selectedAV;
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}
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}
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}
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}
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/// <summary>
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/// Thread-safe method for clearing the TreeView control
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/// </summary>
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public void ClearItems()
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{
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if (this.InvokeRequired) this.BeginInvoke((MethodInvoker)delegate { ClearItems(); });
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else
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{
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if (this.Handle != IntPtr.Zero)
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this.Items.Clear();
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}
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}
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public TrackedAvatar GetAvatar(UUID avatarID)
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{
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TrackedAvatar av;
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_TrackedAvatars.TryGetValue(avatarID, out av);
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return av;
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}
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private void InitializeClient(GridClient client)
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{
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_Client = client;
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_Client.Avatars.AvatarAppearance += Avatars_OnAvatarAppearance;
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_Client.Avatars.UUIDNameReply += new EventHandler<UUIDNameReplyEventArgs>(Avatars_UUIDNameReply);
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_Client.Grid.CoarseLocationUpdate += Grid_CoarseLocationUpdate;
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_Client.Network.SimChanged += Network_OnCurrentSimChanged;
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_Client.Objects.AvatarUpdate += Objects_OnNewAvatar;
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_Client.Objects.TerseObjectUpdate += Objects_OnObjectUpdated;
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}
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void Avatars_UUIDNameReply(object sender, UUIDNameReplyEventArgs e)
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{
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lock (_UntrackedAvatars)
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{
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foreach (KeyValuePair<UUID, string> name in e.Names)
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{
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TrackedAvatar trackedAvatar;
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if (_UntrackedAvatars.TryGetValue(name.Key, out trackedAvatar))
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{
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trackedAvatar.Name = name.Value;
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if (OnAvatarAdded != null && trackedAvatar.ListViewItem.Text == "(Loading...)")
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{
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try { OnAvatarAdded(trackedAvatar); }
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catch (Exception ex) { Logger.Log(ex.Message, Helpers.LogLevel.Error, Client, ex); }
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}
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this.BeginInvoke((MethodInvoker)delegate
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{
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trackedAvatar.ListViewItem.Text = name.Value;
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});
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}
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}
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}
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}
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void Grid_CoarseLocationUpdate(object sender, CoarseLocationUpdateEventArgs e)
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{
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UpdateCoarseInfo(e.Simulator, e.NewEntries, e.RemovedEntries);
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}
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private void AddAvatar(UUID avatarID, Avatar avatar, Vector3 coarsePosition)
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{
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if (!this.IsHandleCreated) return;
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if (this.InvokeRequired) this.BeginInvoke((MethodInvoker)delegate { AddAvatar(avatar.ID, avatar, coarsePosition); });
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else
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{
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TrackedAvatar trackedAvatar = new TrackedAvatar();
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trackedAvatar.CoarseLocation = coarsePosition;
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trackedAvatar.ID = avatarID;
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trackedAvatar.ListViewItem = this.Items.Add(avatarID.ToString(), trackedAvatar.Name, null);
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trackedAvatar.ListViewItem.Name = avatarID.ToString();
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string strDist = avatarID == _Client.Self.AgentID ? "--" : (int)Vector3.Distance(_Client.Self.SimPosition, coarsePosition) + "m";
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trackedAvatar.ListViewItem.SubItems.Add(strDist);
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if (avatar != null)
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{
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trackedAvatar.Name = avatar.Name;
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trackedAvatar.ListViewItem.Text = avatar.Name;
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lock (_TrackedAvatars)
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{
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if (_TrackedAvatars.ContainsKey(avatarID))
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_TrackedAvatars.Remove(avatarID);
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_TrackedAvatars.Add(avatar.LocalID, avatarID, trackedAvatar);
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}
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if (OnAvatarAdded != null)
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{
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try { OnAvatarAdded(trackedAvatar); }
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catch (Exception ex) { Logger.Log(ex.Message, Helpers.LogLevel.Error, Client, ex); }
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}
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}
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else
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{
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lock (_UntrackedAvatars)
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{
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_UntrackedAvatars.Add(avatarID, trackedAvatar);
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trackedAvatar.ListViewItem.ForeColor = Color.FromKnownColor(KnownColor.GrayText);
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if (avatarID == _Client.Self.AgentID)
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{
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trackedAvatar.Name = _Client.Self.Name;
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trackedAvatar.ListViewItem.Text = _Client.Self.Name;
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}
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else if (_Client.Network.Connected)
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Client.Avatars.RequestAvatarName(avatarID);
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}
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}
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}
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}
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private void RemoveAvatar(UUID id)
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{
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if (!this.IsHandleCreated) return;
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if (this.InvokeRequired) this.BeginInvoke((MethodInvoker)delegate { RemoveAvatar(id); });
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else
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{
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TrackedAvatar trackedAvatar;
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lock (_TrackedAvatars)
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{
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if (_TrackedAvatars.TryGetValue(id, out trackedAvatar))
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{
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this.Items.Remove(trackedAvatar.ListViewItem);
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_TrackedAvatars.Remove(id);
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}
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}
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lock (_UntrackedAvatars)
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{
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if (_UntrackedAvatars.TryGetValue(id, out trackedAvatar))
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{
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this.Items.Remove(trackedAvatar.ListViewItem);
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_UntrackedAvatars.Remove(trackedAvatar.ID);
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}
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}
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if (OnAvatarRemoved != null)
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{
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try { OnAvatarRemoved(trackedAvatar); }
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catch (Exception ex) { Logger.Log(ex.Message, Helpers.LogLevel.Error, Client, ex); }
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}
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}
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}
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private void UpdateAvatar(Avatar avatar)
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{
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if (!this.IsHandleCreated) return;
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if (this.InvokeRequired) this.BeginInvoke((MethodInvoker)delegate { UpdateAvatar(avatar); });
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else
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{
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TrackedAvatar trackedAvatar;
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bool found;
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lock (_UntrackedAvatars)
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found = _UntrackedAvatars.TryGetValue(avatar.ID, out trackedAvatar);
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if (found)
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{
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trackedAvatar.Name = avatar.Name;
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trackedAvatar.ListViewItem.Text = avatar.Name;
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trackedAvatar.ListViewItem.ForeColor = Color.FromKnownColor(KnownColor.ControlText);
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lock (_TrackedAvatars) _TrackedAvatars.Add(avatar.LocalID, avatar.ID, trackedAvatar);
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_UntrackedAvatars.Remove(avatar.ID);
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}
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lock (_TrackedAvatars)
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found = _TrackedAvatars.TryGetValue(avatar.ID, out trackedAvatar);
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if (found)
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{
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trackedAvatar.Avatar = avatar;
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trackedAvatar.Name = avatar.Name;
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trackedAvatar.ID = avatar.ID;
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string strDist = avatar.ID == _Client.Self.AgentID ? "--" : (int)Vector3.Distance(_Client.Self.SimPosition, avatar.Position) + "m";
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trackedAvatar.ListViewItem.SubItems[1].Text = strDist;
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}
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else
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{
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AddAvatar(avatar.ID, avatar, Vector3.Zero);
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}
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this.Sort();
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}
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}
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private void UpdateCoarseInfo(Simulator sim, List<UUID> newEntries, List<UUID> removedEntries)
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{
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if (this.InvokeRequired) this.BeginInvoke((MethodInvoker)delegate { UpdateCoarseInfo(sim, newEntries, removedEntries); });
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else
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{
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if (sim == null) return;
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if (removedEntries != null)
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{
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for (int i = 0; i < removedEntries.Count; i++)
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RemoveAvatar(removedEntries[i]);
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}
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if (newEntries != null)
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{
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for (int i = 0; i < newEntries.Count; i++)
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{
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int index = this.Items.IndexOfKey(newEntries[i].ToString());
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if (index == -1)
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{
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Vector3 coarsePos;
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if (!sim.AvatarPositions.TryGetValue(newEntries[i], out coarsePos))
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continue;
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AddAvatar(newEntries[i], null, coarsePos);
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}
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}
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}
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}
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}
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private void defaultMenuItem_Click(object sender, EventArgs e)
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{
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MenuItem menuItem = (MenuItem)sender;
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switch (menuItem.Text)
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{
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case "Offer Teleport":
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{
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Client.Self.SendTeleportLure(_SelectedAvatar.ID);
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break;
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}
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case "Teleport To":
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{
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Vector3 pos;
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if (Client.Network.CurrentSim.AvatarPositions.TryGetValue(_SelectedAvatar.ID, out pos))
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Client.Self.Teleport(Client.Network.CurrentSim.Name, pos);
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break;
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}
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case "Walk To":
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{
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Vector3 pos;
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if (Client.Network.CurrentSim.AvatarPositions.TryGetValue(_SelectedAvatar.ID, out pos))
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Client.Self.AutoPilotLocal((int)pos.X, (int)pos.Y, pos.Z);
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break;
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}
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}
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}
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void AvatarList_ColumnClick(object sender, ColumnClickEventArgs e)
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{
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_ColumnSorter.SortColumn = e.Column;
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if ((_ColumnSorter.Ascending = (this.Sorting == SortOrder.Ascending))) this.Sorting = SortOrder.Descending;
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else this.Sorting = SortOrder.Ascending;
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this.ListViewItemSorter = _ColumnSorter;
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}
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void AvatarList_DoubleClick(object sender, EventArgs e)
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{
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if (OnAvatarDoubleClick != null)
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{
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ListView list = (ListView)sender;
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if (list.SelectedItems.Count > 0)
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{
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TrackedAvatar trackedAvatar;
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if (!_TrackedAvatars.TryGetValue(new UUID(list.SelectedItems[0].Name), out trackedAvatar)
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&& !_UntrackedAvatars.TryGetValue(new UUID(list.SelectedItems[0].Name), out trackedAvatar))
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return;
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try { OnAvatarDoubleClick(trackedAvatar); }
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catch (Exception ex) { Logger.Log(ex.Message, Helpers.LogLevel.Error, Client, ex); }
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}
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}
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}
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void Avatars_OnAvatarAppearance(object sender, AvatarAppearanceEventArgs e)
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{
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if (e.VisualParams.Count > 31)
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{
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TrackedAvatar trackedAvatar;
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bool foundAvatar;
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lock (_TrackedAvatars)
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foundAvatar = _TrackedAvatars.TryGetValue(e.AvatarID, out trackedAvatar);
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if (foundAvatar)
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{
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this.BeginInvoke((MethodInvoker)delegate
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{
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byte param = e.VisualParams[31];
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if (param > 0)
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trackedAvatar.ListViewItem.ForeColor = Color.Blue;
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else
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trackedAvatar.ListViewItem.ForeColor = Color.Magenta;
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});
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}
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}
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}
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void Network_OnCurrentSimChanged(object sender, SimChangedEventArgs e)
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{
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lock (_TrackedAvatars)
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_TrackedAvatars.Clear();
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lock (_UntrackedAvatars)
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_UntrackedAvatars.Clear();
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ClearItems();
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}
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void Objects_OnNewAvatar(object sender, AvatarUpdateEventArgs e)
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{
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UpdateAvatar(e.Avatar);
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}
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void Objects_OnObjectUpdated(object sender, TerseObjectUpdateEventArgs e)
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{
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bool found;
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lock (_TrackedAvatars)
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found = _TrackedAvatars.ContainsKey(e.Update.LocalID);
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if (found)
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{
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Avatar av;
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if (e.Simulator.ObjectsAvatars.TryGetValue(e.Update.LocalID, out av))
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UpdateAvatar(av);
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}
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}
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}
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/// <summary>
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/// Contains any available information for an avatar in the simulator.
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/// A null value for .Avatar indicates coarse data for an avatar outside of visible range.
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/// </summary>
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public class TrackedAvatar
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{
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/// <summary>Assigned if the avatar is within visible range</summary>
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public Avatar Avatar = null;
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/// <summary>Last known coarse location of avatar</summary>
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public Vector3 CoarseLocation;
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/// <summary>Avatar ID</summary>
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public UUID ID;
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/// <summary>ListViewItem associated with this avatar</summary>
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public ListViewItem ListViewItem;
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/// <summary>Populated by RequestAvatarName if avatar is not visible</summary>
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public string Name = "(Loading...)";
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}
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}
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