2007-02-07 16:52:49 +00:00
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/*
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* Copyright (c) OpenSim project, http://sim.opensecondlife.org/
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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 <organization> 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 <copyright holder> ``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 <copyright holder> 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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*/
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using System;
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using System.IO;
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using System.Collections.Generic;
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using System.Threading;
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using libsecondlife;
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using libsecondlife.Packets;
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2007-02-16 16:06:40 +00:00
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namespace OpenSim
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2007-02-07 16:52:49 +00:00
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{
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/// <summary>
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/// Manages prim and avatar sim positions and movements and updating clients
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/// </summary>
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public class SceneGraph
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{
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public Node RootNode;
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public Terrain Terrain;
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2007-02-17 10:50:19 +00:00
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private Thread _mthread;
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2007-02-07 16:52:49 +00:00
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private PhysicsManager _physics;
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private Server _server;
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2007-02-08 21:18:24 +00:00
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private System.Text.Encoding _enc = System.Text.Encoding.ASCII;
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2007-02-07 16:52:49 +00:00
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private libsecondlife.Packets.ObjectUpdatePacket.ObjectDataBlock _avatarTemplate;
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2007-02-16 16:06:40 +00:00
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private int _objectCount=0;
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private UpdateSender _updateSender;
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private AgentManager _agentManager;
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2007-02-07 16:52:49 +00:00
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public NonBlockingQueue<UpdateCommand> Commands;
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2007-02-08 21:18:24 +00:00
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2007-02-07 16:52:49 +00:00
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#region Thread Sync
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//public object CommandsSync = new object();
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private object _sendTerrainSync = new object();
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#endregion
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2007-02-16 16:06:40 +00:00
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public SceneGraph(Server server, AgentManager agentManager)
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2007-02-07 16:52:49 +00:00
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{
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_server = server;
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RootNode = new Node();
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_physics = new PhysicsManager(this);
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Commands = new NonBlockingQueue<UpdateCommand>();
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Terrain = new Terrain();
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2007-02-16 16:06:40 +00:00
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_updateSender = new UpdateSender(_server, agentManager);
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_agentManager = agentManager;
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2007-02-07 16:52:49 +00:00
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//testing
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this.SetupTemplate("objectupate168.dat");
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2007-02-16 16:06:40 +00:00
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_updateSender.Startup();
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2007-02-07 16:52:49 +00:00
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}
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2007-02-17 10:50:19 +00:00
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public void Startup()
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{
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_mthread = new Thread(new System.Threading.ThreadStart(RunScene));
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_mthread.IsBackground = true;
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_mthread.Start();
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}
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public void RunScene()
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{
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try
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{
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for(;;)
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{
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this.Update();
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}
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}
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catch (Exception e)
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{
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Console.WriteLine(e.Message);
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}
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}
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2007-02-07 16:52:49 +00:00
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public void Update()
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{
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2007-02-16 16:06:40 +00:00
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// run physics engine to update positions etc since last frame
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// process command list
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lock(this.Commands) //do we want to stop new commands being added while we process?
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{
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while(this.Commands.Count > 0)
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{
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UpdateCommand command = this.Commands.Dequeue();
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switch(command.CommandType)
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{
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case 1:
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break;
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default:
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break;
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}
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}
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}
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2007-02-07 16:52:49 +00:00
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2007-02-16 16:06:40 +00:00
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// check to see if any new avatars have joined since last frame
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//if so send data to clients.
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lock(this.RootNode)
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{
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for (int i = 0; i < this.RootNode.ChildrenCount; i++)
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{
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//for now we will limit avatars to being a child of the rootnode
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if(this.RootNode.GetChild(i).SceneType == 1) //check it is a avatar node
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{
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AvatarData avatar =(AvatarData) this.RootNode.GetChild(i);
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int updatemask = avatar.UpdateFlag & (128);
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if(updatemask == 128) //is a new avatar?
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{
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this.SendAvatarDataToAll(avatar);
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//should send a avatar appearance to other clients except the avatar's owner
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//and send complete scene update to the new avatar's owner
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this.SendCompleteSceneTo(avatar);
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//reset new avatar flag
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//avatar.UpdateFlag -= 128;
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}
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}
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}
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}
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//send updates to clients
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//might be better to do these updates reverse to how is done here
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// ie.. loop through the avatars and find objects /other avatars in their range/vision
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//instead of looping through all objects/avatars and then finding avatars in range
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//but that would mean looping through all objects/avatar for each avatar,
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//rather than looping through just the avatars for each object/avatar
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lock(this.RootNode)
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{
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for (int i = 0; i < this.RootNode.ChildrenCount; i++)
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{
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if(this.RootNode.GetChild(i).SceneType == 1) //check it is a avatar node
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{
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AvatarData avatar =(AvatarData) this.RootNode.GetChild(i);
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int updatemask = avatar.UpdateFlag & (1);
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if(updatemask == 1)
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{
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//avatar has changed velocity
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//check what avatars are in range and add to their update lists
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//but for now we will say all avatars are in range
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for (int n = 0; n < this.RootNode.ChildrenCount; n++)
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{
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if(this.RootNode.GetChild(n).SceneType == 1) //check it is a avatar node
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{
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AvatarData avatar2 =(AvatarData) this.RootNode.GetChild(i);
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int newmask = avatar2.UpdateFlag & (128);
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if(newmask != 128) //is a new avatar?
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{
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//no its not so let add to its updatelist
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avatar2.TerseUpdateList.Add(this.CreateTerseBlock(avatar));
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}
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}
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}
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}
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}
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}
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}
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//now reset all update flags
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lock(this.RootNode)
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{
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for (int i = 0; i < this.RootNode.ChildrenCount; i++)
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{
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this.RootNode.GetChild(i).UpdateFlag = 0;
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}
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}
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2007-02-07 16:52:49 +00:00
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}
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#region send terrain data
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/// <summary>
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///
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/// </summary>
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/// <param name="userInfo"></param>
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public void SendTerrainData(NetworkInfo userInfo)
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{
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lock(this._sendTerrainSync)
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{
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2007-02-16 16:06:40 +00:00
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string data_path = Path.Combine(System.AppDomain.CurrentDomain.BaseDirectory ,"layer_data" );
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2007-02-07 16:52:49 +00:00
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//send layerdata
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LayerDataPacket layerpack = new LayerDataPacket();
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layerpack.LayerID.Type = 76;
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2007-02-16 16:06:40 +00:00
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this.SendLayerData(userInfo, layerpack, Path.Combine(data_path,"layerdata0.dat"));
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2007-02-07 16:52:49 +00:00
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Console.WriteLine("Sent terrain data");
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2007-02-16 16:06:40 +00:00
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//test
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2007-02-07 16:52:49 +00:00
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this.SendAvatarData(userInfo);
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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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/// <param name="userInfo"></param>
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/// <param name="layer"></param>
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/// <param name="name"></param>
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private void SendLayerData(NetworkInfo userInfo, LayerDataPacket layer, string fileName)
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{
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FileInfo fInfo = new FileInfo(fileName);
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long numBytes = fInfo.Length;
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FileStream fStream = new FileStream(fileName, FileMode.Open, FileAccess.Read);
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BinaryReader br = new BinaryReader(fStream);
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byte [] data1 = br.ReadBytes((int)numBytes);
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br.Close();
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fStream.Close();
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layer.LayerData.Data = data1;
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_server.SendPacket(layer, true, userInfo);
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}
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#endregion
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2007-02-16 16:06:40 +00:00
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public void AgentCompletingMove(NetworkInfo userInfo)
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{
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libsecondlife.Packets.AgentMovementCompletePacket mov = new AgentMovementCompletePacket();
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mov.AgentData.SessionID = userInfo.User.SessionID;
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mov.AgentData.AgentID = userInfo.User.AgentID;
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mov.Data.RegionHandle = Globals.Instance.RegionHandle;
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mov.Data.Timestamp = 1169838966;
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mov.Data.Position = new LLVector3(100f, 100f, 22f);
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mov.Data.LookAt = new LLVector3(0.99f, 0.042f, 0);
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_server.SendPacket(mov, true, userInfo);
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}
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public void AddNewAvatar(AvatarData avatar)
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{
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lock(this.RootNode)
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{
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avatar.SceneName = "Avatar" + this._objectCount.ToString("00000");
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this._objectCount++;
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this.RootNode.AddChild(avatar);
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}
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avatar.UpdateFlag = 128;
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//add to new clients list?
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}
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2007-02-07 16:52:49 +00:00
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#region testing
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//test only
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private void SendAvatarData(NetworkInfo userInfo)
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{
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ObjectUpdatePacket objupdate = new ObjectUpdatePacket();
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objupdate.RegionData.RegionHandle = Globals.Instance.RegionHandle;
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objupdate.RegionData.TimeDilation = 64096;
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objupdate.ObjectData = new libsecondlife.Packets.ObjectUpdatePacket.ObjectDataBlock[1];
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objupdate.ObjectData[0] = _avatarTemplate;
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//give this avatar object a local id and assign the user a name
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objupdate.ObjectData[0].ID = 8880000;// + this._localNumber;
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userInfo.User.AvatarLocalID = objupdate.ObjectData[0].ID;
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//User_info.name="Test"+this.local_numer+" User";
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//this.GetAgent(userInfo.UserAgentID).Started = true;
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objupdate.ObjectData[0].FullID = userInfo.User.AgentID;
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objupdate.ObjectData[0].NameValue = _enc.GetBytes("FirstName STRING RW SV " + userInfo.User.FirstName + "\nLastName STRING RW SV " + userInfo.User.LastName + " \0");
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//userInfo.User.FullName = "FirstName STRING RW SV " + userInfo.first_name + "\nLastName STRING RW SV " + userInfo.last_name + " \0";
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libsecondlife.LLVector3 pos2 = new LLVector3(100f, 100.0f, 22.0f);
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2007-02-16 16:06:40 +00:00
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byte[] pb = pos2.GetBytes();
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2007-02-07 16:52:49 +00:00
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Array.Copy(pb, 0, objupdate.ObjectData[0].ObjectData, 16, pb.Length);
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//this._localNumber++;
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_server.SendPacket(objupdate, true, userInfo);
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}
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//test only
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private void SetupTemplate(string name)
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{
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2007-02-16 16:06:40 +00:00
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//should be replaced with completely code generated packets
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2007-02-07 16:52:49 +00:00
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int i = 0;
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FileInfo fInfo = new FileInfo(name);
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long numBytes = fInfo.Length;
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FileStream fStream = new FileStream(name, FileMode.Open, FileAccess.Read);
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BinaryReader br = new BinaryReader(fStream);
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byte [] data1 = br.ReadBytes((int)numBytes);
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br.Close();
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fStream.Close();
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libsecondlife.Packets.ObjectUpdatePacket.ObjectDataBlock objdata = new libsecondlife.Packets.ObjectUpdatePacket.ObjectDataBlock(data1, ref i);
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System.Text.Encoding enc = System.Text.Encoding.ASCII;
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libsecondlife.LLVector3 pos = new LLVector3(objdata.ObjectData, 16);
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pos.X = 100f;
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objdata.ID = 8880000;
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objdata.NameValue = enc.GetBytes("FirstName STRING RW SV Test \nLastName STRING RW SV User \0");
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libsecondlife.LLVector3 pos2 = new LLVector3(13.981f,100.0f,20.0f);
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//objdata.FullID=user.AgentID;
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byte[] pb = pos.GetBytes();
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Array.Copy(pb, 0, objdata.ObjectData, 16, pb.Length);
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_avatarTemplate = objdata;
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}
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#endregion
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2007-02-16 16:06:40 +00:00
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private void SendAvatarDataToAll(AvatarData avatar)
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{
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ObjectUpdatePacket objupdate = new ObjectUpdatePacket();
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objupdate.RegionData.RegionHandle = Globals.Instance.RegionHandle;
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objupdate.RegionData.TimeDilation = 0;
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objupdate.ObjectData = new libsecondlife.Packets.ObjectUpdatePacket.ObjectDataBlock[1];
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objupdate.ObjectData[0] = _avatarTemplate;
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objupdate.ObjectData[0].ID = avatar.LocalID;
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objupdate.ObjectData[0].FullID = avatar.NetInfo.User.AgentID;
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objupdate.ObjectData[0].NameValue = _enc.GetBytes("FirstName STRING RW SV " + avatar.NetInfo.User.FirstName + "\nLastName STRING RW SV " + avatar.NetInfo.User.LastName + " \0");
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libsecondlife.LLVector3 pos2 = new LLVector3(100f, 100.0f, 22.0f);
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byte[] pb = pos2.GetBytes();
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Array.Copy(pb, 0, objupdate.ObjectData[0].ObjectData, 16, pb.Length);
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SendInfo send = new SendInfo();
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send.Incr = true;
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send.NetInfo = avatar.NetInfo;
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send.Packet = objupdate;
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send.SentTo = 1; //to all clients
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this._updateSender.SendList.Enqueue(send);
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}
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2007-02-07 16:52:49 +00:00
|
|
|
|
2007-02-16 16:06:40 +00:00
|
|
|
public void SendCompleteSceneTo(AvatarData avatar)
|
|
|
|
{
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
public ImprovedTerseObjectUpdatePacket.ObjectDataBlock CreateTerseBlock(AvatarData avatar)
|
|
|
|
{
|
|
|
|
return(null);
|
|
|
|
}
|
|
|
|
|
|
|
|
public void SendAvatarAppearanceToAllExcept(AvatarData avatar)
|
|
|
|
{
|
|
|
|
|
|
|
|
}
|
2007-02-07 16:52:49 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
//any need for separate nodes and sceneobjects?
|
|
|
|
//do we need multiple objects in the same node?
|
|
|
|
public class Node
|
|
|
|
{
|
|
|
|
private List<Node> _children;
|
2007-02-16 16:06:40 +00:00
|
|
|
//private List<SceneObject> _attached;
|
|
|
|
public byte SceneType;
|
|
|
|
public string SceneName;
|
|
|
|
public LLVector3 Position;
|
|
|
|
public LLVector3 Velocity = new LLVector3(0,0,0);
|
|
|
|
public byte UpdateFlag;
|
2007-02-07 16:52:49 +00:00
|
|
|
|
|
|
|
public List<Node> ChildNodes
|
|
|
|
{
|
|
|
|
get
|
|
|
|
{
|
|
|
|
return(_children);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2007-02-16 16:06:40 +00:00
|
|
|
public int ChildrenCount
|
|
|
|
{
|
|
|
|
get
|
|
|
|
{
|
|
|
|
return(_children.Count);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/*
|
2007-02-07 16:52:49 +00:00
|
|
|
public List<SceneObject> AttachedObjexts
|
|
|
|
{
|
|
|
|
get
|
|
|
|
{
|
|
|
|
return(_attached);
|
|
|
|
}
|
|
|
|
}
|
2007-02-16 16:06:40 +00:00
|
|
|
*/
|
2007-02-07 16:52:49 +00:00
|
|
|
public Node()
|
|
|
|
{
|
|
|
|
_children = new List<Node>();
|
2007-02-16 16:06:40 +00:00
|
|
|
//_attached = new List<SceneObject>();
|
2007-02-07 16:52:49 +00:00
|
|
|
}
|
2007-02-16 16:06:40 +00:00
|
|
|
/*
|
2007-02-07 16:52:49 +00:00
|
|
|
/// <summary>
|
|
|
|
///
|
|
|
|
/// </summary>
|
|
|
|
/// <param name="index"></param>
|
|
|
|
/// <returns></returns>
|
|
|
|
public SceneObject GetAttachedObject(int index)
|
|
|
|
{
|
|
|
|
if(_attached.Count > index)
|
|
|
|
{
|
|
|
|
return(_attached[index]);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
return(null);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
///
|
|
|
|
/// </summary>
|
|
|
|
/// <param name="sceneObject"></param>
|
|
|
|
public void AttachObject(SceneObject sceneObject)
|
|
|
|
{
|
|
|
|
_attached.Add(sceneObject);
|
|
|
|
}
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
///
|
|
|
|
/// </summary>
|
|
|
|
/// <param name="sceneObject"></param>
|
|
|
|
public void RemoveObject(SceneObject sceneObject)
|
|
|
|
{
|
|
|
|
_attached.Remove(sceneObject);
|
|
|
|
}
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
///
|
|
|
|
/// </summary>
|
|
|
|
/// <param name="sceneObject"></param>
|
|
|
|
/// <returns></returns>
|
|
|
|
public int HasAttachedObject(SceneObject sceneObject)
|
|
|
|
{
|
|
|
|
int rValue = -1;
|
|
|
|
for(int i = 0; i < this._attached.Count; i++)
|
|
|
|
{
|
|
|
|
if(sceneObject == this._attached[i])
|
|
|
|
{
|
|
|
|
rValue = i;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return(rValue);
|
|
|
|
}
|
2007-02-16 16:06:40 +00:00
|
|
|
*/
|
2007-02-07 16:52:49 +00:00
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
///
|
|
|
|
/// </summary>
|
|
|
|
/// <param name="index"></param>
|
|
|
|
/// <returns></returns>
|
|
|
|
public Node GetChild(int index)
|
|
|
|
{
|
|
|
|
if(_children.Count > index)
|
|
|
|
{
|
|
|
|
return(_children[index]);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
return(null);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
///
|
|
|
|
/// </summary>
|
|
|
|
/// <param name="node"></param>
|
|
|
|
public void AddChild(Node node)
|
|
|
|
{
|
|
|
|
_children.Add(node);
|
|
|
|
}
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
///
|
|
|
|
/// </summary>
|
|
|
|
/// <param name="node"></param>
|
|
|
|
public void RemoveChild(Node node)
|
|
|
|
{
|
|
|
|
_children.Remove(node);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2007-02-16 16:06:40 +00:00
|
|
|
/*
|
2007-02-07 16:52:49 +00:00
|
|
|
public class SceneObject
|
|
|
|
{
|
|
|
|
public byte SceneType;
|
2007-02-16 16:06:40 +00:00
|
|
|
public string SceneName;
|
2007-02-07 16:52:49 +00:00
|
|
|
|
|
|
|
public SceneObject()
|
|
|
|
{
|
|
|
|
|
|
|
|
}
|
2007-02-16 16:06:40 +00:00
|
|
|
}*/
|
|
|
|
|
2007-02-07 16:52:49 +00:00
|
|
|
|
|
|
|
public class Terrain
|
|
|
|
{
|
|
|
|
public List<LLVector3> Vertices;
|
|
|
|
public List<Face> Faces;
|
|
|
|
|
|
|
|
public Terrain()
|
|
|
|
{
|
|
|
|
Vertices = new List<LLVector3>();
|
|
|
|
Faces = new List<Face>();
|
|
|
|
}
|
|
|
|
|
|
|
|
public LLVector3 CastRay()
|
|
|
|
{
|
|
|
|
return(new LLVector3(0,0,0));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2007-02-08 21:18:24 +00:00
|
|
|
public struct Face
|
2007-02-07 16:52:49 +00:00
|
|
|
{
|
|
|
|
public int V1;
|
|
|
|
public int V2;
|
|
|
|
public int V3;
|
|
|
|
}
|
|
|
|
|
|
|
|
public class UpdateCommand
|
|
|
|
{
|
|
|
|
public byte CommandType;
|
2007-02-16 16:06:40 +00:00
|
|
|
public Node SObject;
|
2007-02-07 16:52:49 +00:00
|
|
|
public LLVector3 Position;
|
|
|
|
public LLVector3 Velocity;
|
|
|
|
public LLQuaternion Rotation;
|
|
|
|
|
|
|
|
public UpdateCommand()
|
|
|
|
{
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
public class UpdateSender
|
|
|
|
{
|
|
|
|
public BlockingQueue<SendInfo> SendList;
|
2007-02-17 10:50:19 +00:00
|
|
|
private Thread _mthread;
|
2007-02-16 16:06:40 +00:00
|
|
|
private Server _server;
|
|
|
|
private AgentManager _agentManager;
|
2007-02-07 16:52:49 +00:00
|
|
|
|
2007-02-16 16:06:40 +00:00
|
|
|
public UpdateSender(Server server, AgentManager agentManager)
|
2007-02-07 16:52:49 +00:00
|
|
|
{
|
|
|
|
SendList = new BlockingQueue<SendInfo>();
|
2007-02-16 16:06:40 +00:00
|
|
|
_server = server;
|
|
|
|
_agentManager = agentManager;
|
2007-02-07 16:52:49 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
public void Startup()
|
|
|
|
{
|
2007-02-17 10:50:19 +00:00
|
|
|
_mthread = new Thread(new System.Threading.ThreadStart(RunSender));
|
|
|
|
_mthread.IsBackground = true;
|
|
|
|
_mthread.Start();
|
2007-02-07 16:52:49 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
private void RunSender()
|
|
|
|
{
|
2007-02-16 16:06:40 +00:00
|
|
|
//process SendList and send packets to clients
|
|
|
|
try
|
|
|
|
{
|
|
|
|
for(;;)
|
|
|
|
{
|
|
|
|
SendInfo sendInfo;
|
|
|
|
sendInfo = this.SendList.Dequeue();
|
|
|
|
|
|
|
|
switch(sendInfo.SentTo)
|
|
|
|
{
|
|
|
|
case 0:
|
|
|
|
this._server.SendPacket(sendInfo.Packet, sendInfo.Incr, sendInfo.NetInfo);
|
|
|
|
break;
|
|
|
|
case 1:
|
|
|
|
this._agentManager.SendPacketToALL(sendInfo.Packet);
|
|
|
|
break;
|
|
|
|
case 2:
|
|
|
|
this._agentManager.SendPacketToAllExcept(sendInfo.Packet, sendInfo.NetInfo.User.AgentID);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
catch (Exception e)
|
|
|
|
{
|
|
|
|
Console.WriteLine(e.Message);
|
|
|
|
}
|
2007-02-07 16:52:49 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
public class SendInfo
|
|
|
|
{
|
|
|
|
public Packet Packet;
|
2007-02-16 16:06:40 +00:00
|
|
|
public bool Incr = true;
|
2007-02-07 16:52:49 +00:00
|
|
|
public NetworkInfo NetInfo;
|
2007-02-16 16:06:40 +00:00
|
|
|
public byte SentTo = 0; // 0 just this client, 1 to all clients, 2 to all except this client.
|
2007-02-07 16:52:49 +00:00
|
|
|
|
|
|
|
public SendInfo()
|
|
|
|
{
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|