A example of how the physics plugins might work

physicsExample
MW 2007-03-02 18:10:45 +00:00
commit a41e0e918d
9 changed files with 1036 additions and 0 deletions

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/*
Copyright (c) OpenSim project, http://osgrid.org/
* Copyright (c) <year>, <copyright holder>
* All rights reserved.
*
* 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 System.IO;
using Db4objects.Db4o;
using libsecondlife;
using OpenSim.world;
namespace OpenSim
{
/// <summary>
/// This class handles connection to the underlying database used for configuration of the region.
/// Region content is also stored by this class. The main entry point is InitConfig() which attempts to locate
/// opensim.yap in the current working directory. If opensim.yap can not be found, default settings are loaded from
/// what is hardcoded here and then saved into opensim.yap for future startups.
/// </summary>
public class SimConfig
{
public string RegionName;
public uint RegionLocX;
public uint RegionLocY;
public ulong RegionHandle;
public int IPListenPort;
public string IPListenAddr;
public string AssetURL;
public string AssetSendKey;
public string GridURL;
public string GridSendKey;
private IObjectContainer db;
public void LoadDefaults() {
this.RegionName = "OpenSim test\0";
this.RegionLocX = 997;
this.RegionLocY = 996;
this.RegionHandle = Helpers.UIntsToLong((RegionLocX*256), (RegionLocY*256));
this.IPListenPort = 9000;
this.IPListenAddr = "4.78.190.75";
this.AssetURL = "http://www.osgrid.org/ogs/assetserver/";
this.AssetSendKey = "1234";
this.GridURL = "http://www.osgrid.org/ogs/gridserver/";
this.GridSendKey = "1234";
}
public void InitConfig() {
try {
db = Db4oFactory.OpenFile("opensim.yap");
IObjectSet result = db.Get(typeof(SimConfig));
if(result.Count==1) {
Console.WriteLine("Config.cs:InitConfig() - Found a SimConfig object in the local database, loading");
foreach (SimConfig cfg in result) {
this.RegionName = cfg.RegionName;
this.RegionLocX = cfg.RegionLocX;
this.RegionLocY = cfg.RegionLocY;
this.RegionHandle = Helpers.UIntsToLong((RegionLocX*256), (RegionLocY*256));
this.IPListenPort = cfg.IPListenPort;
this.IPListenAddr = cfg.IPListenAddr;
this.AssetURL = cfg.AssetURL;
this.AssetSendKey = cfg.AssetSendKey;
this.GridURL = cfg.GridURL;
this.GridSendKey = cfg.GridSendKey;
}
} else {
Console.WriteLine("Config.cs:InitConfig() - Could not find object in database, loading precompiled defaults");
LoadDefaults();
Console.WriteLine("Writing out default settings to local database");
db.Set(this);
}
} catch(Exception e) {
db.Close();
Console.WriteLine("Config.cs:InitConfig() - Exception occured");
Console.WriteLine(e.ToString());
}
}
public World LoadWorld() {
IObjectSet world_result = db.Get(typeof(OpenSim.world.World));
if(world_result.Count==1) {
Console.WriteLine("Config.cs:LoadWorld() - Found an OpenSim.world.World object in local database, loading");
return (World)world_result.Next();
} else {
Console.WriteLine("Config.cs:LoadWorld() - Could not find the world or too many worlds! Constructing blank one");
World blank = new World();
Console.WriteLine("Config.cs:LoadWorld() - Saving initial world state to disk");
db.Set(blank);
db.Commit();
return blank;
}
}
public void LoadFromGrid() {
Console.WriteLine("Config.cs:LoadFromGrid() - dummy function, DOING ABSOLUTELY NOTHING AT ALL!!!");
// TODO: Make this crap work
/* WebRequest GridLogin = WebRequest.Create(this.GridURL + "regions/" + this.RegionHandle.ToString() + "/login");
WebResponse GridResponse = GridLogin.GetResponse();
byte[] idata = new byte[(int)GridResponse.ContentLength];
BinaryReader br = new BinaryReader(GridResponse.GetResponseStream());
br.Close();
GridResponse.Close();
*/
}
public void Shutdown() {
db.Close();
}
}
}

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/*
Copyright (c) OpenSim project, http://osgrid.org/
* All rights reserved.
*
* 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.Text;
using System.IO;
using System.Threading;
using System.Net;
using System.Net.Sockets;
using System.Collections;
using System.Collections.Generic;
using libsecondlife;
using libsecondlife.Packets;
using OpenSim.world;
namespace OpenSim
{
/// <summary>
/// Description of MainForm.
/// </summary>
public class OpenSim_Main
{
private static OpenSim_Main sim;
public static SimConfig cfg;
public static World local_world;
private static Thread MainListener;
private static Thread PingRespponder;
public static Socket Server;
private static IPEndPoint ServerIncoming;
private static byte[] RecvBuffer = new byte[4096];
private byte[] ZeroBuffer = new byte[8192];
private static IPEndPoint ipeSender;
private static EndPoint epSender;
private static AsyncCallback ReceivedData;
public Dictionary<EndPoint, OpenSimClient> ClientThreads = new Dictionary<EndPoint, OpenSimClient>();
private PhysicsManager physManager;
[STAThread]
public static void Main( string[] args )
{
Console.WriteLine("OpenSim " + VersionInfo.Version + "\n");
Console.WriteLine("Starting...\n");
sim = new OpenSim_Main();
sim.Startup();
while(true) {
Thread.Sleep(1000);
}
}
private OpenSim_Main() {
}
private void Startup() {
// We check our local database first, then the grid for config options
Console.WriteLine("Main.cs:Startup() - Loading configuration");
cfg = new SimConfig();
cfg.InitConfig();
Console.WriteLine("Main.cs:Startup() - Contacting gridserver");
cfg.LoadFromGrid();
Console.WriteLine("Main.cs:Startup() - We are " + cfg.RegionName + " at " + cfg.RegionLocX.ToString() + "," + cfg.RegionLocY.ToString());
Console.WriteLine("Initialising world");
local_world = cfg.LoadWorld();
this.physManager = new PhysicsManager();
this.physManager.LoadPlugins();
local_world.PhysScene = this.physManager.GetScene("PhysX"); //should be reading from the config file what physics engine to use
Console.WriteLine("Main.cs:Startup() - Starting up messaging system");
MainListener = new Thread(new ThreadStart(MainServerListener));
MainListener.Start();
}
private void OnReceivedData(IAsyncResult result) {
ipeSender = new IPEndPoint(IPAddress.Any, 0);
epSender = (EndPoint)ipeSender;
Packet packet = null;
int numBytes = Server.EndReceiveFrom(result, ref epSender);
int packetEnd = numBytes - 1;
packet = Packet.BuildPacket(RecvBuffer, ref packetEnd, ZeroBuffer);
Console.Error.WriteLine(packet.ToString());
// This is either a new client or a packet to send to an old one
if(ClientThreads.ContainsKey(epSender)) {
ClientThreads[epSender].InPacket(packet);
} else if( packet.Type == PacketType.UseCircuitCode ) { // new client
OpenSimClient newuser = new OpenSimClient(epSender,(UseCircuitCodePacket)packet);
ClientThreads.Add(epSender, newuser);
} else { // invalid client
Console.Error.WriteLine("Main.cs:OnReceivedData() - WARNING: Got a packet from an invalid client - " + epSender.ToString());
}
Server.BeginReceiveFrom(RecvBuffer, 0, RecvBuffer.Length, SocketFlags.None, ref epSender, ReceivedData, null);
}
private void MainServerListener() {
Console.WriteLine("Main.cs:MainServerListener() - New thread started");
Console.WriteLine("Main.cs:MainServerListener() - Opening UDP socket on " + cfg.IPListenAddr + ":" + cfg.IPListenPort);
ServerIncoming = new IPEndPoint(IPAddress.Any, cfg.IPListenPort);
Server = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
Server.Bind(ServerIncoming);
Console.WriteLine("Main.cs:MainServerListener() - UDP socket bound, getting ready to listen");
ipeSender = new IPEndPoint(IPAddress.Any, 0);
epSender = (EndPoint) ipeSender;
ReceivedData = new AsyncCallback(this.OnReceivedData);
Server.BeginReceiveFrom(RecvBuffer, 0, RecvBuffer.Length, SocketFlags.None, ref epSender, ReceivedData, null);
Console.WriteLine("Main.cs:MainServerListener() - Listening...");
while(true) {
Thread.Sleep(1000);
}
}
}
}

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/*
Copyright (c) OpenSim project, http://osgrid.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;
using System.Collections.Generic;
using libsecondlife;
using libsecondlife.Packets;
using System.Net;
using System.Net.Sockets;
using System.IO;
using System.Threading;
using System.Timers;
namespace OpenSim
{
/// <summary>
/// Handles new client connections
/// Constructor takes a single Packet and authenticates everything
/// </summary>
public class OpenSimClient {
public LLUUID AgentID;
public LLUUID SessionID;
public uint CircuitCode;
public world.Avatar ClientAvatar;
private UseCircuitCodePacket cirpack;
private Thread ClientThread;
private EndPoint userEP;
private BlockingQueue<QueItem> PacketQueue;
private BlockingQueue<TransferRequestPacket> AssetRequests;
private Dictionary<uint, uint> PendingAcks = new Dictionary<uint, uint>();
private Dictionary<uint, Packet> NeedAck = new Dictionary<uint, Packet>();
private System.Timers.Timer AckTimer;
private uint Sequence = 0;
private object SequenceLock = new object();
private const int MAX_APPENDED_ACKS = 10;
private const int RESEND_TIMEOUT = 4000;
private const int MAX_SEQUENCE = 0xFFFFFF;
public void ack_pack(Packet Pack) {
//libsecondlife.Packets.PacketAckPacket ack_it = new PacketAckPacket();
//ack_it.Packets = new PacketAckPacket.PacketsBlock[1];
//ack_it.Packets[0] = new PacketAckPacket.PacketsBlock();
//ack_it.Packets[0].ID = Pack.Header.ID;
//ack_it.Header.Reliable = false;
//OutPacket(ack_it);
if (Pack.Header.Reliable) {
lock (PendingAcks) {
uint sequence = (uint)Pack.Header.Sequence;
if (!PendingAcks.ContainsKey(sequence)) { PendingAcks[sequence] = sequence; }
}
}
}
public void AssetLoader() {
Console.WriteLine("OpenSimClient.cs:AssetLoader() - Starting new thread");
TransferRequestPacket reqPacket = AssetRequests.Dequeue();
Console.WriteLine("OpenSimClient.cs:AssetLoader() - Got a request, processing it");
LLUUID AssetID = new LLUUID(reqPacket.TransferInfo.Params, 0);
WebRequest AssetLoad = WebRequest.Create(OpenSim_Main.cfg.AssetURL + "getasset/" + OpenSim_Main.cfg.AssetSendKey + "/" + AssetID + "/data");
WebResponse AssetResponse = AssetLoad.GetResponse();
byte[] idata = new byte[(int)AssetResponse.ContentLength];
BinaryReader br = new BinaryReader(AssetResponse.GetResponseStream());
idata = br.ReadBytes((int)AssetResponse.ContentLength);
br.Close();
TransferInfoPacket Transfer = new TransferInfoPacket();
Transfer.TransferInfo.ChannelType = 2;
Transfer.TransferInfo.Status = 0;
Transfer.TransferInfo.TargetType = 0;
Transfer.TransferInfo.Params = reqPacket.TransferInfo.Params;
Transfer.TransferInfo.Size = (int)AssetResponse.ContentLength;
Transfer.TransferInfo.TransferID = reqPacket.TransferInfo.TransferID;
OutPacket(Transfer);
TransferPacketPacket TransferPacket = new TransferPacketPacket();
TransferPacket.TransferData.Packet = 0;
TransferPacket.TransferData.ChannelType = 2;
TransferPacket.TransferData.TransferID=reqPacket.TransferInfo.TransferID;
if(AssetResponse.ContentLength>1000) {
byte[] chunk = new byte[1000];
Array.Copy(idata,chunk,1000);
TransferPacket.TransferData.Data = chunk;
TransferPacket.TransferData.Status = 0;
OutPacket(TransferPacket);
TransferPacket = new TransferPacketPacket();
TransferPacket.TransferData.Packet = 1;
TransferPacket.TransferData.ChannelType = 2;
TransferPacket.TransferData.TransferID = reqPacket.TransferInfo.TransferID;
byte[] chunk1 = new byte[(idata.Length-1000)];
Array.Copy(idata, 1000, chunk1, 0, chunk1.Length);
TransferPacket.TransferData.Data = chunk1;
TransferPacket.TransferData.Status = 1;
OutPacket(TransferPacket);
} else {
TransferPacket.TransferData.Status = 1;
TransferPacket.TransferData.Data = idata;
OutPacket(TransferPacket);
}
AssetResponse.Close();
}
public void ProcessInPacket(Packet Pack) {
ack_pack(Pack);
switch(Pack.Type) {
case PacketType.CompleteAgentMovement:
ClientAvatar.CompleteMovement(OpenSim_Main.local_world);
ClientAvatar.SendInitialPosition();
break;
case PacketType.RegionHandshakeReply:
OpenSim_Main.local_world.SendLayerData(this);
break;
case PacketType.AgentWearablesRequest:
ClientAvatar.SendInitialAppearance();
break;
case PacketType.TransferRequest:
Console.WriteLine("OpenSimClient.cs:ProcessInPacket() - Got transfer request");
// We put transfer requests into a big queue and then spawn a thread for each new one
TransferRequestPacket transfer = (TransferRequestPacket)Pack;
AssetRequests.Enqueue(transfer);
Thread AssetLoaderThread = new Thread(new ThreadStart(AssetLoader));
AssetLoaderThread.Start();
break;
}
}
private void ResendUnacked()
{
int now = Environment.TickCount;
lock (NeedAck)
{
foreach (Packet packet in NeedAck.Values)
{
if (now - packet.TickCount > RESEND_TIMEOUT)
{
Console.WriteLine("Resending " + packet.Type.ToString() + " packet, " +
(now - packet.TickCount) + "ms have passed", Helpers.LogLevel.Info);
packet.Header.Resent = true;
OutPacket(packet);
}
}
}
}
private void SendAcks()
{
lock (PendingAcks)
{
if (PendingAcks.Count > 0)
{
if (PendingAcks.Count > 250)
{
// FIXME: Handle the odd case where we have too many pending ACKs queued up
Console.WriteLine("Too many ACKs queued up!", Helpers.LogLevel.Error);
return;
}
Console.WriteLine("Sending PacketAck");
int i = 0;
PacketAckPacket acks = new PacketAckPacket();
acks.Packets = new PacketAckPacket.PacketsBlock[PendingAcks.Count];
foreach (uint ack in PendingAcks.Values)
{
acks.Packets[i] = new PacketAckPacket.PacketsBlock();
acks.Packets[i].ID = ack;
i++;
}
acks.Header.Reliable = false;
OutPacket(acks);
PendingAcks.Clear();
}
}
}
private void AckTimer_Elapsed(object sender, ElapsedEventArgs ea)
{
SendAcks();
ResendUnacked();
}
public void ProcessOutPacket(Packet Pack) {
// Keep track of when this packet was sent out
Pack.TickCount = Environment.TickCount;
if (!Pack.Header.Resent)
{
// Set the sequence number
lock (SequenceLock)
{
if (Sequence >= MAX_SEQUENCE)
Sequence = 1;
else
Sequence++;
Pack.Header.Sequence = Sequence;
}
if (Pack.Header.Reliable) //DIRTY HACK
{
lock (NeedAck)
{
if (!NeedAck.ContainsKey(Pack.Header.Sequence))
{
NeedAck.Add(Pack.Header.Sequence, Pack);
}
else
{
// Client.Log("Attempted to add a duplicate sequence number (" +
// packet.Header.Sequence + ") to the NeedAck dictionary for packet type " +
// packet.Type.ToString(), Helpers.LogLevel.Warning);
}
}
// Don't append ACKs to resent packets, in case that's what was causing the
// delivery to fail
if (!Pack.Header.Resent)
{
// Append any ACKs that need to be sent out to this packet
lock (PendingAcks)
{
if (PendingAcks.Count > 0 && PendingAcks.Count < MAX_APPENDED_ACKS &&
Pack.Type != PacketType.PacketAck &&
Pack.Type != PacketType.LogoutRequest)
{
Pack.Header.AckList = new uint[PendingAcks.Count];
int i = 0;
foreach (uint ack in PendingAcks.Values)
{
Pack.Header.AckList[i] = ack;
i++;
}
PendingAcks.Clear();
Pack.Header.AppendedAcks = true;
}
}
}
}
}
Console.WriteLine("OUT: \n" + Pack.ToString());
byte[] ZeroOutBuffer = new byte[4096];
byte[] sendbuffer;
sendbuffer = Pack.ToBytes();
try {
if (Pack.Header.Zerocoded) {
int packetsize = Helpers.ZeroEncode(sendbuffer, sendbuffer.Length, ZeroOutBuffer);
OpenSim_Main.Server.SendTo(ZeroOutBuffer, packetsize, SocketFlags.None,userEP);
} else {
OpenSim_Main.Server.SendTo(sendbuffer, sendbuffer.Length, SocketFlags.None,userEP);
}
} catch (Exception) {
Console.WriteLine("OpenSimClient.cs:ProcessOutPacket() - WARNING: Socket exception occurred on connection " + userEP.ToString() + " - killing thread");
ClientThread.Abort();
}
}
public void InPacket(Packet NewPack) {
// Handle appended ACKs
if (NewPack.Header.AppendedAcks)
{
lock (NeedAck)
{
foreach (uint ack in NewPack.Header.AckList)
{
NeedAck.Remove(ack);
}
}
}
// Handle PacketAck packets
if (NewPack.Type == PacketType.PacketAck)
{
PacketAckPacket ackPacket = (PacketAckPacket)NewPack;
lock (NeedAck)
{
foreach (PacketAckPacket.PacketsBlock block in ackPacket.Packets)
{
NeedAck.Remove(block.ID);
}
}
} else if( ( NewPack.Type == PacketType.StartPingCheck ) ) {
//reply to pingcheck
libsecondlife.Packets.StartPingCheckPacket startPing = (libsecondlife.Packets.StartPingCheckPacket)NewPack;
libsecondlife.Packets.CompletePingCheckPacket endPing = new CompletePingCheckPacket();
endPing.PingID.PingID = startPing.PingID.PingID;
OutPacket(endPing);
}
else
{
QueItem item = new QueItem();
item.Packet = NewPack;
item.Incoming = true;
this.PacketQueue.Enqueue(item);
}
}
public void OutPacket(Packet NewPack) {
QueItem item = new QueItem();
item.Packet = NewPack;
item.Incoming = false;
this.PacketQueue.Enqueue(item);
}
public OpenSimClient(EndPoint remoteEP, UseCircuitCodePacket initialcirpack) {
Console.WriteLine("OpenSimClient.cs - Started up new client thread to handle incoming request");
cirpack = initialcirpack;
userEP = remoteEP;
PacketQueue = new BlockingQueue<QueItem>();
AssetRequests = new BlockingQueue<TransferRequestPacket>();
AckTimer = new System.Timers.Timer(500);
AckTimer.Elapsed += new ElapsedEventHandler(AckTimer_Elapsed);
AckTimer.Start();
ClientThread = new Thread(new ThreadStart(AuthUser));
ClientThread.IsBackground = true;
ClientThread.Start();
}
private void ClientLoop() {
Console.WriteLine("OpenSimClient.cs:ClientLoop() - Entered loop");
while(true) {
QueItem nextPacket = PacketQueue.Dequeue();
if(nextPacket.Incoming)
{
//is a incoming packet
ProcessInPacket(nextPacket.Packet);
}
else
{
//is a out going packet
ProcessOutPacket(nextPacket.Packet);
}
}
}
private void InitNewClient() {
Console.WriteLine("OpenSimClient.cs:InitNewClient() - Adding viewer agent to world");
OpenSim_Main.local_world.AddViewerAgent(this);
world.Entity tempent=OpenSim_Main.local_world.Entities[this.AgentID];
this.ClientAvatar=(world.Avatar)tempent;
}
private void AuthUser() {
Console.WriteLine("OpenSimClient.cs:AuthUser() - Authenticating new user request with grid");
WebRequest CheckSession = WebRequest.Create(OpenSim_Main.cfg.GridURL + "/usersessions/" + OpenSim_Main.cfg.GridSendKey + "/" + cirpack.CircuitCode.ID.ToString() + "/" + cirpack.CircuitCode.Code.ToString() + "/exists");
WebResponse GridResponse = CheckSession.GetResponse();
StreamReader sr = new StreamReader(GridResponse.GetResponseStream());
String grTest = sr.ReadLine();
sr.Close();
GridResponse.Close();
if(String.IsNullOrEmpty(grTest) || grTest.Equals("1")) { // YAY! Valid login
Console.WriteLine("OpenSimClient.cs:AuthUser() - Got authenticated connection from " + userEP.ToString());
this.AgentID=cirpack.CircuitCode.ID;
this.SessionID=cirpack.CircuitCode.SessionID;
this.CircuitCode=cirpack.CircuitCode.Code;
InitNewClient();
ClientLoop();
} else { // Invalid
Console.WriteLine("OpenSimClient.cs:AuthUser() - New user request denied to " + userEP.ToString());
ClientThread.Abort();
}
}
}
}

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<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<PropertyGroup>
<OutputType>Exe</OutputType>
<RootNamespace>OpenSim</RootNamespace>
<AssemblyName>OpenSim</AssemblyName>
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
<ProjectGuid>{132A6E3E-8F2D-4BF5-BDFB-8555F53F334E}</ProjectGuid>
<StartupObject>OpenSim.OpenSim_Main</StartupObject>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
<OutputPath>..\bin\</OutputPath>
<Optimize>False</Optimize>
<DefineConstants>DEBUG;TRACE</DefineConstants>
<DebugSymbols>True</DebugSymbols>
<DebugType>Full</DebugType>
<CheckForOverflowUnderflow>True</CheckForOverflowUnderflow>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
<OutputPath>..\bin\</OutputPath>
<Optimize>True</Optimize>
<DefineConstants>TRACE</DefineConstants>
<DebugSymbols>False</DebugSymbols>
<DebugType>None</DebugType>
<CheckForOverflowUnderflow>False</CheckForOverflowUnderflow>
</PropertyGroup>
<ItemGroup>
<Reference Include="Axiom.MathLib, Version=0.7.0.25497, Culture=neutral">
<SpecificVersion>False</SpecificVersion>
<HintPath>..\bin\Axiom.MathLib.dll</HintPath>
</Reference>
<Reference Include="Db4objects.Db4o, Version=6.0.1.0, Culture=neutral, PublicKeyToken=6199cd4f203aa8eb, processorArchitecture=MSIL" />
<Reference Include="libsecondlife, Version=0.9.0.0, Culture=neutral, processorArchitecture=MSIL">
<SpecificVersion>False</SpecificVersion>
<HintPath>..\bin\libsecondlife.dll</HintPath>
</Reference>
<Reference Include="log4net, Version=1.2.10.0, Culture=neutral, PublicKeyToken=1b44e1d426115821, processorArchitecture=MSIL">
<SpecificVersion>False</SpecificVersion>
<HintPath>..\bin\log4net.dll</HintPath>
</Reference>
<Reference Include="System" />
<Reference Include="System.Data" />
<Reference Include="System.Xml" />
<Reference Include="PhysicsManager">
<HintPath>..\..\..\..\physics\PhysicsManager\bin\Release\PhysicsManager.dll</HintPath>
<SpecificVersion>False</SpecificVersion>
</Reference>
</ItemGroup>
<ItemGroup>
<Compile Include="Config.cs" />
<Compile Include="Main.cs" />
<Compile Include="OpenSimClient.cs" />
<Compile Include="types\BitPack.cs" />
<Compile Include="types\Mesh.cs" />
<Compile Include="types\Triangle.cs" />
<Compile Include="Util.cs" />
<Compile Include="VersionInfo.cs" />
<Compile Include="world\Avatar.cs" />
<Compile Include="world\Entity.cs" />
<Compile Include="world\Primitive.cs" />
<Compile Include="world\ScriptEngine.cs" />
<Compile Include="world\scripting\IScript.cs" />
<Compile Include="world\SurfacePatch.cs" />
<Compile Include="world\TerrainDecoder.cs" />
<Compile Include="world\World.cs" />
</ItemGroup>
<Import Project="$(MSBuildBinPath)\Microsoft.CSharp.Targets" />
</Project>

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Microsoft Visual Studio Solution File, Format Version 9.00
# Visual Studio 2005
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Second-server", "Second-server.csproj", "{132A6E3E-8F2D-4BF5-BDFB-8555F53F334E}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|.NET 1.1 = Debug|.NET 1.1
Debug|Any CPU = Debug|Any CPU
Release|.NET 1.1 = Release|.NET 1.1
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{132A6E3E-8F2D-4BF5-BDFB-8555F53F334E}.Debug|.NET 1.1.ActiveCfg = Debug|Any CPU
{132A6E3E-8F2D-4BF5-BDFB-8555F53F334E}.Debug|.NET 1.1.Build.0 = Debug|Any CPU
{132A6E3E-8F2D-4BF5-BDFB-8555F53F334E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{132A6E3E-8F2D-4BF5-BDFB-8555F53F334E}.Debug|Any CPU.Build.0 = Debug|Any CPU
{132A6E3E-8F2D-4BF5-BDFB-8555F53F334E}.Release|.NET 1.1.ActiveCfg = Release|Any CPU
{132A6E3E-8F2D-4BF5-BDFB-8555F53F334E}.Release|.NET 1.1.Build.0 = Release|.NET 1.1
{132A6E3E-8F2D-4BF5-BDFB-8555F53F334E}.Release|Any CPU.ActiveCfg = Release|Any CPU
{132A6E3E-8F2D-4BF5-BDFB-8555F53F334E}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
EndGlobal

31
physics/AssemblyInfo.cs Normal file
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using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
// Information about this assembly is defined by the following
// attributes.
//
// change them to the information which is associated with the assembly
// you compile.
[assembly: AssemblyTitle("PhysicsManager")]
[assembly: AssemblyDescription("")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCompany("")]
[assembly: AssemblyProduct("PhysicsManager")]
[assembly: AssemblyCopyright("")]
[assembly: AssemblyTrademark("")]
[assembly: AssemblyCulture("")]
// This sets the default COM visibility of types in the assembly to invisible.
// If you need to expose a type to COM, use [ComVisible(true)] on that type.
[assembly: ComVisible(false)]
// The assembly version has following format :
//
// Major.Minor.Build.Revision
//
// You can specify all values by your own or you can build default build and revision
// numbers with the '*' character (the default):
[assembly: AssemblyVersion("1.0.*")]

162
physics/PhysicsManager.cs Normal file
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/*
* 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 System.Collections;
using System.IO;
using System.Reflection;
namespace PhysicsManager
{
/// <summary>
/// Description of MyClass.
/// </summary>
public class PhysicsManager
{
private Dictionary<string, IPhysicsPlugin> _plugins=new Dictionary<string, IPhysicsPlugin>();
public PhysicsManager()
{
}
public PhysicsScene GetPhysicsScene(string engineName)
{
if(_plugins.ContainsKey(engineName))
{
return _plugins[engineName].GetScene();
}
else
{
return null;
}
}
public void LoadPlugins()
{
string path = Path.Combine(System.AppDomain.CurrentDomain.BaseDirectory ,"Physics");
string[] pluginFiles = Directory.GetFiles(path, "*.Phy");
for(int i= 0; i<pluginFiles.Length; i++)
{
this.AddPlugin(pluginFiles[i]);
}
}
private void AddPlugin(string FileName)
{
Assembly pluginAssembly = Assembly.LoadFrom(FileName);
foreach (Type pluginType in pluginAssembly.GetTypes())
{
if (pluginType.IsPublic)
{
if (!pluginType.IsAbstract)
{
Type typeInterface = pluginType.GetInterface("IPhysicsPlugin", true);
if (typeInterface != null)
{
IPhysicsPlugin plug = (IPhysicsPlugin)Activator.CreateInstance(pluginAssembly.GetType(pluginType.ToString()));
plug.Init();
this._plugins.Add(plug.GetName(),plug);
}
typeInterface = null;
}
}
}
pluginAssembly = null;
}
}
public interface IPhysicsPlugin
{
bool Init();
PhysicsScene GetScene();
string GetName();
void Dispose();
}
public abstract class PhysicsScene
{
public abstract PhysicsActor AddAvatar(PhysicsVector position);
public abstract void Simulate(float timeStep);
public abstract void GetResults();
public abstract bool IsThreaded
{
get;
}
}
public abstract class PhysicsActor
{
public abstract PhysicsVector Position
{
get;
}
public abstract PhysicsVector Velocity
{
get;
set;
}
public abstract PhysicsVector Acceleration
{
get;
}
public abstract void AddForce(PhysicsVector force);
public abstract void SetMomentum(PhysicsVector momentum);
}
public class PhysicsVector
{
public float X;
public float Y;
public float Z;
public PhysicsVector()
{
}
public PhysicsVector(float x, float y, float z)
{
X = x;
Y = y;
Z = z;
}
}
}

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<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<PropertyGroup>
<OutputType>Library</OutputType>
<RootNamespace>PhysicsManager</RootNamespace>
<AssemblyName>PhysicsManager</AssemblyName>
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
<ProjectGuid>{3C86A846-7977-4EE7-A8DC-DD487FA5DC2B}</ProjectGuid>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
<OutputPath>bin\Debug\</OutputPath>
<Optimize>False</Optimize>
<DefineConstants>DEBUG;TRACE</DefineConstants>
<DebugSymbols>True</DebugSymbols>
<DebugType>Full</DebugType>
<CheckForOverflowUnderflow>True</CheckForOverflowUnderflow>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
<OutputPath>bin\Release\</OutputPath>
<Optimize>True</Optimize>
<DefineConstants>TRACE</DefineConstants>
<DebugSymbols>False</DebugSymbols>
<DebugType>None</DebugType>
<CheckForOverflowUnderflow>False</CheckForOverflowUnderflow>
</PropertyGroup>
<ItemGroup>
<Reference Include="System" />
<Reference Include="System.Xml" />
</ItemGroup>
<ItemGroup>
<Compile Include="PhysicsManager.cs" />
<Compile Include="AssemblyInfo.cs" />
</ItemGroup>
<Import Project="$(MSBuildBinPath)\Microsoft.CSharp.Targets" />
</Project>

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Microsoft Visual Studio Solution File, Format Version 9.00
# SharpDevelop 2.1.0.2017
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PhysicsManager", "PhysicsManager.csproj", "{3C86A846-7977-4EE7-A8DC-DD487FA5DC2B}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PhysXplugin", "..\PhysXplugin\PhysXplugin\PhysXplugin.csproj", "{ADB751AA-8426-4668-B1FA-43762126CEB3}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{3C86A846-7977-4EE7-A8DC-DD487FA5DC2B}.Debug|Any CPU.Build.0 = Debug|Any CPU
{3C86A846-7977-4EE7-A8DC-DD487FA5DC2B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{3C86A846-7977-4EE7-A8DC-DD487FA5DC2B}.Release|Any CPU.Build.0 = Release|Any CPU
{3C86A846-7977-4EE7-A8DC-DD487FA5DC2B}.Release|Any CPU.ActiveCfg = Release|Any CPU
{ADB751AA-8426-4668-B1FA-43762126CEB3}.Debug|Any CPU.Build.0 = Debug|Any CPU
{ADB751AA-8426-4668-B1FA-43762126CEB3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{ADB751AA-8426-4668-B1FA-43762126CEB3}.Release|Any CPU.Build.0 = Release|Any CPU
{ADB751AA-8426-4668-B1FA-43762126CEB3}.Release|Any CPU.ActiveCfg = Release|Any CPU
EndGlobalSection
EndGlobal