/*
Copyright (c) OpenSim project, http://sim.opensecondlife.org/
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*     * Redistributions of source code must retain the above copyright
*       notice, this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above copyright
*       notice, this list of conditions and the following disclaimer in the
*       documentation and/or other materials provided with the distribution.
*     * Neither the name of the <organization> nor the
*       names of its contributors may be used to endorse or promote products
*       derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY <copyright holder> ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

using System;
using System.Collections.Generic;
using libsecondlife;
using libsecondlife.Packets;
using libsecondlife.AssetSystem;
using System.IO;
using Axiom.MathLib;

namespace OpenSim
{
	/// <summary>
	/// Description of Agent_Manager.
	/// </summary>
	public class AgentManager
	{
		public Dictionary<libsecondlife.LLUUID,AvatarData> AgentList;
		
		private uint _localNumber=0;
		private Server _server;
		public  PrimManager Prim_Manager;
		public AssetManagement assetManager;
		
		private libsecondlife.Packets.RegionHandshakePacket RegionPacket;
		private  System.Text.Encoding _enc = System.Text.Encoding.ASCII;
		private libsecondlife.Packets.ObjectUpdatePacket.ObjectDataBlock AvatarTemplate;

		/// <summary>
		/// 
		/// </summary>
		/// <param name="serve"></param>
		public AgentManager(Server server)
		{
			AgentList = new Dictionary<libsecondlife.LLUUID,AvatarData>();
			_server = server;
			this.initialise();
		}

		/// <summary>
		/// 
		/// </summary>
		/// <param name="id"></param>
		/// <returns></returns>
		public AvatarData GetAgent(LLUUID id)
		{
			if(!this.AgentList.ContainsKey(id))
			{
				return null;
			}
			else
			{
				AvatarData avatar = this.AgentList[id];
				return avatar;
			}
		}
		/// <summary>
		/// 
		/// </summary>
		/// <param name="agent"></param>
		public void AddAgent(AvatarData agent)
		{
			this.AgentList.Add(agent.FullID, agent);
		}
		/// <summary>
		/// 
		/// </summary>
		/// <param name="User_info"></param>
		/// <param name="first"></param>
		/// <param name="last"></param>
		/// <returns></returns>
		/// 
		
		/// <summary>
		/// 
		/// </summary>
		/// <param name="User_info"></param>
		/// <param name="first"></param>
		/// <param name="last"></param>
		/// <returns></returns>
		public bool NewAgent(UserAgentInfo userInfo, string first, string last, LLUUID baseFolder, LLUUID inventoryFolder)
		{
			AvatarData agent = new AvatarData();
			agent.FullID = userInfo.AgentID;
			agent.NetInfo = userInfo;
			agent.NetInfo.first_name  =first;
			agent.NetInfo.last_name = last;
			agent.Position = new LLVector3(100, 100, 22);
			agent.BaseFolder = baseFolder;
			agent.InventoryFolder = inventoryFolder;
            agent.AnimID = OpenSim.Globals.Instance.ANIM_AGENT_STAND;
            agent.AnimSequenceID = 1;

            this.AgentList.Add(agent.FullID, agent);
			
			//Create new Wearable Assets and place in Inventory
			this.assetManager.CreateNewInventorySet(ref agent, userInfo);
			
			return(true);
		}
		
		/// <summary>
		/// 
		/// </summary>
		/// <param name="UserInfo"></param>
		public void RemoveAgent(UserAgentInfo userInfo)
		{
			this.AgentList.Remove(userInfo.AgentID);
			
			//tell other clients to delete this avatar
		}
		
		/// <summary>
		/// 
		/// </summary>
		/// <param name="User_info"></param>
		public void AgentJoin(UserAgentInfo userInfo)
		{
			//send region data 
			_server.SendPacket(RegionPacket,true, userInfo);
			
			//inform client of join comlete
			libsecondlife.Packets.AgentMovementCompletePacket mov = new AgentMovementCompletePacket();
			mov.AgentData.SessionID = userInfo.SessionID;
			mov.AgentData.AgentID = userInfo.AgentID;
			mov.Data.RegionHandle = Globals.Instance.RegionHandle;
			mov.Data.Timestamp = 1169838966;
			mov.Data.Position = new LLVector3(100f, 100f, 22f);
			mov.Data.LookAt = new LLVector3(0.99f, 0.042f, 0);
			_server.SendPacket(mov, true, userInfo);
                 
		}
		
		/// <summary>
		/// 
		/// </summary>
		public void UpdatePositions()
		{
			//update positions
			foreach (KeyValuePair<libsecondlife.LLUUID, AvatarData> kp in this.AgentList)
			{
				
				kp.Value.Position.X += (kp.Value.Velocity.X * 0.2f);
				kp.Value.Position.Y += (kp.Value.Velocity.Y * 0.2f);
				kp.Value.Position.Z += (kp.Value.Velocity.Z * 0.2f);
			}
           
		}

        public void UpdateAnim(UserAgentInfo userInfo, LLUUID AnimID, int AnimSeq)
        {
            AgentList[userInfo.AgentID].AnimID = AnimID;
            AgentList[userInfo.AgentID].AnimSequenceID = AnimSeq;
            UpdateAnim(userInfo);
        }

        public void UpdateAnim(UserAgentInfo userInfo)
        {
                AvatarAnimationPacket ani = new AvatarAnimationPacket(); 
                ani.AnimationSourceList = new AvatarAnimationPacket.AnimationSourceListBlock[1];
                ani.AnimationSourceList[0] = new AvatarAnimationPacket.AnimationSourceListBlock();
                ani.AnimationSourceList[0].ObjectID = new LLUUID("00000000000000000000000000000000");
                ani.Sender = new AvatarAnimationPacket.SenderBlock();
                ani.Sender.ID = userInfo.AgentID;
                ani.AnimationList = new AvatarAnimationPacket.AnimationListBlock[1];
                ani.AnimationList[0] = new AvatarAnimationPacket.AnimationListBlock();
                ani.AnimationList[0].AnimID = AgentList[userInfo.AgentID].AnimID;
                ani.AnimationList[0].AnimSequenceID = AgentList[userInfo.AgentID].AnimSequenceID;
                _server.SendPacket(ani, true, userInfo);
        }
		/// <summary>
		/// 
		/// </summary>
		private void initialise()
		{
				//Region data
				RegionPacket = new RegionHandshakePacket();
				RegionPacket.RegionInfo.BillableFactor = 0;
				RegionPacket.RegionInfo.IsEstateManager = false;
				RegionPacket.RegionInfo.TerrainHeightRange00 = 60;
				RegionPacket.RegionInfo.TerrainHeightRange01 = 60;
				RegionPacket.RegionInfo.TerrainHeightRange10 = 60;
				RegionPacket.RegionInfo.TerrainHeightRange11 = 60;
				RegionPacket.RegionInfo.TerrainStartHeight00 = 20;
				RegionPacket.RegionInfo.TerrainStartHeight01 = 20;
				RegionPacket.RegionInfo.TerrainStartHeight10 = 20;
				RegionPacket.RegionInfo.TerrainStartHeight11 = 20;
				RegionPacket.RegionInfo.SimAccess = 13;
				RegionPacket.RegionInfo.WaterHeight = 5;
				RegionPacket.RegionInfo.RegionFlags = 72458694;
				RegionPacket.RegionInfo.SimName = _enc.GetBytes( Globals.Instance.RegionName);
				RegionPacket.RegionInfo.SimOwner = new LLUUID("00000000-0000-0000-0000-000000000000");
				RegionPacket.RegionInfo.TerrainBase0 = new LLUUID("b8d3965a-ad78-bf43-699b-bff8eca6c975");
				RegionPacket.RegionInfo.TerrainBase1 = new LLUUID("abb783e6-3e93-26c0-248a-247666855da3");
				RegionPacket.RegionInfo.TerrainBase2 = new LLUUID("179cdabd-398a-9b6b-1391-4dc333ba321f");
				RegionPacket.RegionInfo.TerrainBase3 = new LLUUID("beb169c7-11ea-fff2-efe5-0f24dc881df2");
				RegionPacket.RegionInfo.TerrainDetail0 = new LLUUID("00000000-0000-0000-0000-000000000000");
				RegionPacket.RegionInfo.TerrainDetail1 = new LLUUID("00000000-0000-0000-0000-000000000000");
				RegionPacket.RegionInfo.TerrainDetail2 = new LLUUID("00000000-0000-0000-0000-000000000000");
				RegionPacket.RegionInfo.TerrainDetail3 = new LLUUID("00000000-0000-0000-0000-000000000000");
				RegionPacket.RegionInfo.CacheID = new LLUUID("545ec0a5-5751-1026-8a0b-216e38a7ab37");
				
				this.SetupTemplate("objectupate168.dat");
		}
		
		/// <summary>
		/// 
		/// </summary>
		/// <param name="name"></param>
		private void SetupTemplate(string name)
		{
			
			int i = 0;
			FileInfo fInfo = new FileInfo(name);
			long numBytes = fInfo.Length;
			FileStream fStream = new FileStream(name, FileMode.Open, FileAccess.Read);
			BinaryReader br = new BinaryReader(fStream);
			byte [] data1 = br.ReadBytes((int)numBytes);
			br.Close();
			fStream.Close();
			
			libsecondlife.Packets.ObjectUpdatePacket.ObjectDataBlock objdata = new libsecondlife.Packets.ObjectUpdatePacket.ObjectDataBlock(data1, ref i);
			
			System.Text.Encoding enc = System.Text.Encoding.ASCII;
			libsecondlife.LLVector3 pos = new LLVector3(objdata.ObjectData, 16);
			pos.X = 100f;
			objdata.ID = 8880000;
			objdata.NameValue = enc.GetBytes("FirstName STRING RW SV Test \nLastName STRING RW SV User \0");
			libsecondlife.LLVector3 pos2 = new LLVector3(13.981f,100.0f,20.0f);
			//objdata.FullID=user.AgentID;
			byte[] pb = pos.GetBytes();			
			Array.Copy(pb, 0, objdata.ObjectData, 16, pb.Length);
			
			AvatarTemplate = objdata;
				
		}

		/// <summary>
		/// 
		/// </summary>
		/// <param name="User_info"></param>
		public void SendInitialData(UserAgentInfo userInfo)
		{
			
			//shouldn't have to read all this in from disk for every new client
			string data_path = System.IO.Path.Combine(System.AppDomain.CurrentDomain.BaseDirectory, @"layer_data");
			
			//send layerdata
			LayerDataPacket layerpack = new LayerDataPacket();
			layerpack.LayerID.Type = 76;
			this.SendLayerData(userInfo,ref layerpack, System.IO.Path.Combine(data_path, @"layerdata0.dat"));
			
			LayerDataPacket layerpack1 = new LayerDataPacket();
			layerpack1.LayerID.Type = 76;
			this.SendLayerData(userInfo, ref layerpack, System.IO.Path.Combine(data_path, @"layerdata1.dat"));
			
			LayerDataPacket layerpack2 = new LayerDataPacket();
			layerpack2.LayerID.Type = 56;
			this.SendLayerData(userInfo, ref layerpack, System.IO.Path.Combine(data_path, @"layerdata2.dat"));
			
			LayerDataPacket layerpack3 = new LayerDataPacket();
			layerpack3.LayerID.Type = 55;
			this.SendLayerData(userInfo, ref layerpack, System.IO.Path.Combine(data_path, @"layerdata3.dat"));
			
			LayerDataPacket layerpack4 = new LayerDataPacket();
			layerpack4.LayerID.Type = 56;
			this.SendLayerData(userInfo, ref layerpack, System.IO.Path.Combine(data_path, @"layerdata4.dat"));
			
			LayerDataPacket layerpack5 = new LayerDataPacket();
			layerpack5.LayerID.Type = 55;
			this.SendLayerData(userInfo, ref layerpack, System.IO.Path.Combine(data_path, @"layerdata5.dat"));
			
			//send intial set of captured prims data?
			this.Prim_Manager.ReadPrimDatabase( "objectdatabase.ini", userInfo);
			
            //send prims that have been created by users
			//prim_man.send_existing_prims(User_info);
			
			//send update about clients avatar
			this.SendInitialAvatarPosition(userInfo);
			
			//send updates about all other users
			foreach (KeyValuePair<libsecondlife.LLUUID, AvatarData> kp in this.AgentList)
			{
				if(kp.Value.NetInfo.AgentID != userInfo.AgentID)
				{
					this.SendOtherAvatarPosition(userInfo, kp.Value);
				}
			}
		}
		
		/// <summary>
		/// 
		/// </summary>
		/// <param name="User_info"></param>
		public void SendInitialAvatarPosition(UserAgentInfo userInfo)
		{
			//send a objectupdate packet with information about the clients avatar
			ObjectUpdatePacket objupdate = new ObjectUpdatePacket();
			objupdate.RegionData.RegionHandle = Globals.Instance.RegionHandle;
			objupdate.RegionData.TimeDilation = 64096;
			objupdate.ObjectData = new libsecondlife.Packets.ObjectUpdatePacket.ObjectDataBlock[1];
			
			objupdate.ObjectData[0] = AvatarTemplate;
			//give this avatar object a local id and assign the user a name
			objupdate.ObjectData[0].ID = 8880000 + this._localNumber;
			userInfo.localID = objupdate.ObjectData[0].ID;
			//User_info.name="Test"+this.local_numer+" User";
			this.GetAgent(userInfo.AgentID).Started = true;
			objupdate.ObjectData[0].FullID = userInfo.AgentID;
			objupdate.ObjectData[0].NameValue = _enc.GetBytes("FirstName STRING RW SV " + userInfo.first_name + "\nLastName STRING RW SV " + userInfo.last_name + " \0");
			userInfo.name = "FirstName STRING RW SV " + userInfo.first_name + "\nLastName STRING RW SV " + userInfo.last_name + " \0";
			
			libsecondlife.LLVector3 pos2 = new LLVector3(100f, 100.0f, 22.0f);
			
			byte[] pb = pos2.GetBytes();
						
			Array.Copy(pb, 0, objupdate.ObjectData[0].ObjectData, 16, pb.Length);
			this._localNumber++;
			
			_server.SendPacket(objupdate, true, userInfo);
			
			//send this info to other existing clients
			foreach (KeyValuePair<libsecondlife.LLUUID, AvatarData> kp in this.AgentList)
			{
					if(kp.Value.NetInfo.AgentID != userInfo.AgentID)
					{
						_server.SendPacket(objupdate, true, kp.Value.NetInfo);
						this.SendOtherAppearance(kp.Value.NetInfo, objupdate.ObjectData[0].FullID);
					}
			}
		
		}
		
		/// <summary>
		/// 
		/// </summary>
		/// <param name="user"></param>
		public void SendIntialAvatarAppearance(UserAgentInfo userInfo)
		{
			AvatarData Agent = this.AgentList[userInfo.AgentID];
			AgentWearablesUpdatePacket aw = new AgentWearablesUpdatePacket();
			aw.AgentData.AgentID = userInfo.AgentID;
			aw.AgentData.SerialNum = 0;
			aw.AgentData.SessionID = userInfo.SessionID;
			
			aw.WearableData = new AgentWearablesUpdatePacket.WearableDataBlock[13];
			AgentWearablesUpdatePacket.WearableDataBlock awb = null;
			awb = new AgentWearablesUpdatePacket.WearableDataBlock();
			awb.WearableType = (byte)0;
			awb.AssetID = Agent.Wearables[0].AssetID;
			awb.ItemID = Agent.Wearables[0].ItemID;
			aw.WearableData[0] = awb;
	
			awb = new AgentWearablesUpdatePacket.WearableDataBlock();
			awb.WearableType =(byte)1;
			awb.AssetID = Agent.Wearables[1].AssetID;
			awb.ItemID = Agent.Wearables[1].ItemID;
			aw.WearableData[1] = awb;
	
			for(int i=2; i<13; i++)
			{
				awb = new AgentWearablesUpdatePacket.WearableDataBlock();
				awb.WearableType = (byte)i;
				awb.AssetID = new LLUUID("00000000-0000-0000-0000-000000000000");
				awb.ItemID = new LLUUID("00000000-0000-0000-0000-000000000000");
				aw.WearableData[i] = awb;
			}
			
			_server.SendPacket(aw, true, userInfo);
		}
		
		/// <summary>
		/// 
		/// </summary>
		/// <param name="user"></param>
		/// <param name="id"></param>
		public void SendOtherAppearance(UserAgentInfo userInfo, LLUUID id)
		{
			AvatarAppearancePacket avp = new AvatarAppearancePacket();
		
			
			avp.VisualParam = new AvatarAppearancePacket.VisualParamBlock[218];
			//avp.ObjectData.TextureEntry=this.avatar_template.TextureEntry;// br.ReadBytes((int)numBytes);
			
			FileInfo fInfo = new FileInfo("Avatar_texture3.dat");
			long numBytes = fInfo.Length;
			FileStream fStream = new FileStream("Avatar_texture3.dat", FileMode.Open, FileAccess.Read);
			BinaryReader br = new BinaryReader(fStream);
			avp.ObjectData.TextureEntry = br.ReadBytes((int)numBytes);
			br.Close();
			fStream.Close();
			
			AvatarAppearancePacket.VisualParamBlock avblock = null;
			for(int i = 0; i < 218; i++)
			{
				avblock = new AvatarAppearancePacket.VisualParamBlock();
				avblock.ParamValue = (byte)100;
				avp.VisualParam[i] = avblock;
			}
			
			avp.Sender.IsTrial = false;
			avp.Sender.ID = id;
			_server.SendPacket(avp, true, userInfo);
			
		}
		
		/// <summary>
		/// 
		/// </summary>
		/// <param name="User_info"></param>
		/// <param name="avd"></param>
		public void SendOtherAvatarPosition(UserAgentInfo userInfo, AvatarData avatar)
		{
			//send a objectupdate packet with information about the clients avatar
			ObjectUpdatePacket objupdate = new ObjectUpdatePacket();
			objupdate.RegionData.RegionHandle = Globals.Instance.RegionHandle;
			objupdate.RegionData.TimeDilation = 64500;
			objupdate.ObjectData = new libsecondlife.Packets.ObjectUpdatePacket.ObjectDataBlock[1];
			
			objupdate.ObjectData[0] = AvatarTemplate;
			//give this avatar object a local id and assign the user a name
			objupdate.ObjectData[0].ID = avatar.NetInfo.localID;
			objupdate.ObjectData[0].FullID = avatar.NetInfo.AgentID;
			objupdate.ObjectData[0].NameValue = _enc.GetBytes(avatar.NetInfo.name);
			libsecondlife.LLVector3 pos2 = new LLVector3(avatar.Position.X, avatar.Position.Y, avatar.Position.Z);
			
			byte[] pb = pos2.GetBytes();			
			Array.Copy(pb, 0, objupdate.ObjectData[0].ObjectData, 16, pb.Length);
			this._localNumber++;
			
			_server.SendPacket(objupdate, true, userInfo);
			this.SendOtherAppearance(userInfo, avatar.NetInfo.AgentID);
			
		}
	
		/// <summary>
		/// 
		/// </summary>
		/// <param name="User_info"></param>
		/// <param name="line"></param>
		public void SendChatMessage(UserAgentInfo userInfo, string line)
		{
			libsecondlife.Packets.ChatFromSimulatorPacket reply = new ChatFromSimulatorPacket();
			reply.ChatData.Audible = 1;
			reply.ChatData.Message = _enc.GetBytes(line);
			reply.ChatData.ChatType = 1;
			reply.ChatData.SourceType = 1;
			reply.ChatData.Position = new LLVector3(120, 100, 21); //should set to actual position
			reply.ChatData.FromName = _enc.GetBytes(userInfo.first_name + " " + userInfo.last_name + "\0");  
			reply.ChatData.OwnerID = userInfo.AgentID;
			reply.ChatData.SourceID = userInfo.AgentID;
			//echo to sender
			_server.SendPacket(reply, true, userInfo);
			
			//send to all users
			foreach (KeyValuePair<libsecondlife.LLUUID, AvatarData> kp in this.AgentList)
			{
				if(kp.Value.NetInfo.AgentID!=userInfo.AgentID)
				{
					_server.SendPacket(reply, true, kp.Value.NetInfo);
				}
			}
		}

		/// <summary>
		/// 
		/// </summary>
		/// <param name="user"></param>
		/// <param name="stop"></param>
		/// <param name="x"></param>
		/// <param name="y"></param>
		/// <param name="z"></param>
		/// <param name="av_id"></param>
		/// <param name="body"></param>
		public void SendMoveCommand(UserAgentInfo userInfo, bool stop, float x, float y, float z, uint avatarID, libsecondlife.LLQuaternion body)
		{
			Console.WriteLine("sending move");
			uint ID = userInfo.localID;
			byte[] bytes = new byte[60];
			int i=0;
			
			ImprovedTerseObjectUpdatePacket im = new ImprovedTerseObjectUpdatePacket();
			im.RegionData.RegionHandle = Globals.Instance.RegionHandle;;
			im.RegionData.TimeDilation = 64096;
			
			im.ObjectData = new ImprovedTerseObjectUpdatePacket.ObjectDataBlock[1];
			ImprovedTerseObjectUpdatePacket.ObjectDataBlock dat = new ImprovedTerseObjectUpdatePacket.ObjectDataBlock();
			
			im.ObjectData[0] = dat;
			
			dat.TextureEntry = AvatarTemplate.TextureEntry;
			libsecondlife.LLVector3 pos2 = new LLVector3(x, y, z);
			
			bytes[i++] = (byte)(ID % 256);
			bytes[i++] = (byte)((ID >> 8) % 256);
			bytes[i++] = (byte)((ID >> 16) % 256);
			bytes[i++] = (byte)((ID >> 24) % 256);
			
			bytes[i++] = 0;
			bytes[i++] = 1;

			i += 14;
			bytes[i++] = 128;
			bytes[i++] = 63;
			byte[] pb = pos2.GetBytes();
			
			Array.Copy(pb, 0, bytes, i, pb.Length);
			i += 12;
			ushort ac = 32767;
			Axiom.MathLib.Vector3 v3 = new Axiom.MathLib.Vector3(1, 0, 0);
			Axiom.MathLib.Quaternion q = new Axiom.MathLib.Quaternion(body.W, body.X, body.Y, body.Z);
			Axiom.MathLib.Vector3 direc = q * v3;
			direc.Normalize();
			
			direc = direc * (0.03f);
			direc.x += 1;
			direc.y += 1;
			direc.z += 1;
			ushort dx, dy, dz;
			dx = (ushort)(32768 * direc.x);
			dy = (ushort)(32768 * direc.y);
			dz = (ushort)(32768 * direc.z);

			//vel
			if(!stop)
			{
				bytes[i++] = (byte)(dx % 256);
				bytes[i++] = (byte)((dx >> 8) % 256);
				
				bytes[i++] = (byte)(dy % 256);
				bytes[i++] = (byte)((dy >> 8) % 256);
				
				bytes[i++] = (byte)(dz % 256);
				bytes[i++] = (byte)((dz >> 8) % 256);
			}
			else
			{
				bytes[i++] = (byte)(ac % 256);
				bytes[i++] = (byte)((ac >> 8) % 256);
				
				bytes[i++] = (byte)(ac % 256);
				bytes[i++] = (byte)((ac >> 8) % 256);
				
				bytes[i++] = (byte)(ac % 256);
				bytes[i++] = (byte)((ac >> 8) % 256);
			}
			//accel
			bytes[i++] = (byte)(ac % 256);
			bytes[i++] = (byte)((ac >> 8) % 256);
			
			bytes[i++] = (byte)(ac % 256);
			bytes[i++] = (byte)((ac >> 8) % 256);
			
			bytes[i++] = (byte)(ac % 256);
			bytes[i++] = (byte)((ac >> 8) % 256);
			
			//rot
			bytes[i++] = (byte)(ac % 256);
			bytes[i++] = (byte)((ac >> 8) % 256);
			
			bytes[i++] = (byte)(ac % 256);
			bytes[i++] = (byte)((ac >> 8) % 256);
			
			bytes[i++] = (byte)(ac % 256);
			bytes[i++] = (byte)((ac >> 8) % 256);
			
			bytes[i++] = (byte)(ac % 256);
			bytes[i++] = (byte)((ac >> 8) % 256);
			
			//rotation vel
			bytes[i++] = (byte)(ac % 256);
			bytes[i++] = (byte)((ac >> 8) % 256);
			
			bytes[i++] = (byte)(ac % 256);
			bytes[i++] = (byte)((ac >> 8) % 256);
			
			bytes[i++] = (byte)(ac % 256);
			bytes[i++] = (byte)((ac >> 8) % 256);
			
			dat.Data=bytes;
			
			_server.SendPacket(im, true, userInfo);
			
			//should send to all users.
			foreach (KeyValuePair<libsecondlife.LLUUID, AvatarData> kp in this.AgentList)
			{
				if(kp.Value.NetInfo.AgentID != userInfo.AgentID)
				{
					_server.SendPacket(im, true, kp.Value.NetInfo);
				}
			}
		}
		
		/// <summary>
		/// 
		/// </summary>
		/// <param name="User_info"></param>
		/// <param name="lay"></param>
		/// <param name="name"></param>
		public void SendLayerData(UserAgentInfo userInfo, ref LayerDataPacket layer, string name)
		{
			FileInfo fInfo = new FileInfo(name);
			long numBytes = fInfo.Length;
			FileStream fStream = new FileStream(name, FileMode.Open, FileAccess.Read);
			BinaryReader br = new BinaryReader(fStream);
			byte [] data1 = br.ReadBytes((int)numBytes);
			br.Close();
			fStream.Close();
			layer.LayerData.Data = data1;
			_server.SendPacket(layer, true, userInfo);
		
		}
	}
	
	public class AvatarData
	{
		public UserAgentInfo NetInfo;
		public LLUUID FullID;
		public LLVector3 Position;
		public LLVector3 Velocity = new LLVector3(0,0,0);
		//public LLQuaternion Rotation;
		public bool Walk = false;
		public bool Started = false;
		//public TextureEntry TextureEntry;
		public AvatarWearable[] Wearables; 
		public LLUUID InventoryFolder;
    	public LLUUID BaseFolder;
        public LLUUID AnimID;
        public int AnimSequenceID;

		public AvatarData()
		{
			Wearables=new AvatarWearable[2]; //should be 13
			for(int i = 0; i < 2; i++)
			{
				Wearables[i] = new AvatarWearable();
			}
		}
	}
	
	public class AvatarWearable
	{
		public LLUUID AssetID;
		public LLUUID ItemID;
		
		public AvatarWearable()
		{
			
		}
	}
	/*
	public class AvatarParams
	{
		public byte[] Params;
		
		public AvatarParams()
		{
		
		}
		
	}
	*/
}