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path: root/OpenSim/Region/Environment/Scenes/Scene.cs
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/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* 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 OpenSim Project 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 THE DEVELOPERS ``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 THE CONTRIBUTORS 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 System.Net;
using System.Threading;
using System.Timers;
using System.Xml;
using Axiom.Math;
using libsecondlife;
using OpenSim.Framework;
using OpenSim.Framework.Communications;
using OpenSim.Framework.Communications.Cache;
using OpenSim.Framework.Console;
using OpenSim.Region.Environment.LandManagement;
using OpenSim.Framework.Servers;
using OpenSim.Region.Capabilities;
using OpenSim.Region.Environment.Interfaces;
using OpenSim.Region.Environment.Modules;
using OpenSim.Region.Environment.Scenes.Scripting;
using OpenSim.Region.Environment.Types;
using OpenSim.Region.Physics.Manager;
using OpenSim.Region.Terrain;
using Timer = System.Timers.Timer;

namespace OpenSim.Region.Environment.Scenes
{
    public delegate bool FilterAvatarList(ScenePresence avatar);

    public partial class Scene : SceneBase
    {
        #region Fields
        protected Timer m_heartbeatTimer = new Timer();
        protected Timer m_restartWaitTimer = new Timer();

        protected List<RegionInfo> m_regionRestartNotifyList = new List<RegionInfo>();
        protected List<RegionInfo> m_neighbours = new List<RegionInfo>();

        public InnerScene m_innerScene;

        private Random Rand = new Random();
        private uint _primCount = 702000;
        private readonly Mutex _primAllocateMutex = new Mutex(false);

        private int m_timePhase = 24;
        private int m_timeUpdateCount;

        private readonly Mutex updateLock;
        public bool m_physicalPrim;
        public bool m_sendTasksToChild;
        private int m_RestartTimerCounter;
        private readonly Timer m_restartTimer = new Timer(15000); // Wait before firing
        private int m_incrementsof15seconds = 0;

        protected ModuleLoader m_moduleLoader;
        protected StorageManager m_storageManager;
        protected AgentCircuitManager m_authenticateHandler;
        public CommunicationsManager CommsManager;
        // protected XferManager xferManager;
        protected SceneCommunicationService m_sceneGridService;
        protected SceneXmlLoader m_sceneXmlLoader;

        protected Dictionary<LLUUID, Caps> m_capsHandlers = new Dictionary<LLUUID, Caps>();
        protected BaseHttpServer httpListener;

        protected Dictionary<string, IRegionModule> Modules = new Dictionary<string, IRegionModule>();
        public Dictionary<Type, object> ModuleInterfaces = new Dictionary<Type, object>();
        protected Dictionary<string, object> ModuleAPIMethods = new Dictionary<string, object>();

        //API module interfaces

        public IXfer XferManager;

        protected IHttpRequests m_httpRequestModule;
        protected ISimChat m_simChatModule;
        protected IXMLRPC m_xmlrpcModule;
        protected IWorldComm m_worldCommModule;
        protected IAvatarFactory m_AvatarFactory;

        // Central Update Loop

        protected int m_fps = 10;
        protected int m_frame = 0;
        protected float m_timespan = 0.1f;
        protected DateTime m_lastupdate = DateTime.Now;

        protected float m_timedilation = 1.0f;

        private int m_update_physics = 1;
        private int m_update_entitymovement = 1;
        private int m_update_entities = 1;
        private int m_update_events = 1;
        private int m_update_backup = 200;
        private int m_update_terrain = 50;
        private int m_update_land = 1;
        private int m_update_avatars = 1;
        #endregion

        #region Properties

        public AgentCircuitManager AuthenticateHandler
        {
            get { return m_authenticateHandler; }
        }

        protected readonly LandManager m_LandManager;

        public LandManager LandManager
        {
            get { return m_LandManager; }
        }

        protected readonly EstateManager m_estateManager;

        public PhysicsScene PhysicsScene
        {
            set { m_innerScene.PhysicsScene = value; }
            get { return (m_innerScene.PhysicsScene); }
        }

        public object SyncRoot
        {
            get { return m_innerScene.m_syncRoot; }
        }

        public EstateManager EstateManager
        {
            get { return m_estateManager; }
        }

        public float TimeDilation
        {
            get { return m_timedilation; }
        }

        protected readonly PermissionManager m_permissionManager;

        public PermissionManager PermissionsMngr
        {
            get { return m_permissionManager; }
        }

        public int TimePhase
        {
            get { return m_timePhase; }
        }

        public Dictionary<LLUUID, SceneObjectGroup> Objects
        {
            get { return m_innerScene.SceneObjects; }
        }

        protected Dictionary<LLUUID, ScenePresence> m_scenePresences
        {
            get { return m_innerScene.ScenePresences; }
            set { m_innerScene.ScenePresences = value; }
        }

        protected Dictionary<LLUUID, SceneObjectGroup> m_sceneObjects
        {
            get { return m_innerScene.SceneObjects; }
            set { m_innerScene.SceneObjects = value; }
        }

        public Dictionary<LLUUID, EntityBase> Entities
        {
            get { return m_innerScene.Entities; }
            set { m_innerScene.Entities = value; }
        }

        #endregion

        #region Constructors

        public Scene(RegionInfo regInfo, AgentCircuitManager authen, PermissionManager permissionManager, CommunicationsManager commsMan, SceneCommunicationService sceneGridService,
                     AssetCache assetCach, StorageManager storeManager, BaseHttpServer httpServer,
                     ModuleLoader moduleLoader, bool dumpAssetsToFile, bool physicalPrim, bool SendTasksToChild)
        {
            updateLock = new Mutex(false);

            m_moduleLoader = moduleLoader;
            m_authenticateHandler = authen;
            CommsManager = commsMan;
            m_sceneGridService = sceneGridService;
            m_sceneGridService.debugRegionName = regInfo.RegionName;
            m_storageManager = storeManager;
            AssetCache = assetCach;
            m_regInfo = regInfo;
            m_regionHandle = m_regInfo.RegionHandle;
            m_regionName = m_regInfo.RegionName;
            m_datastore = m_regInfo.DataStore;
            
            m_physicalPrim = physicalPrim;
            m_sendTasksToChild = SendTasksToChild;

            m_LandManager = new LandManager(this, m_regInfo);
            m_estateManager = new EstateManager(this, m_regInfo);
            m_eventManager = new EventManager();

            m_permissionManager = permissionManager;
            m_permissionManager.Initialise(this);

            m_innerScene = new InnerScene(this, m_regInfo, m_permissionManager);
            
            // If the Inner scene has an Unrecoverable error, restart this sim.
            // Currently the only thing that causes it to happen is two kinds of specific
            // Physics based crashes.
            //
            // Out of memory
            // Operating system has killed the plugin
            m_innerScene.UnRecoverableError += RestartNow;

            m_sceneXmlLoader = new SceneXmlLoader(this, m_innerScene, m_regInfo);

            RegisterDefaultSceneEvents();

            MainLog.Instance.Verbose("SCENE", "Creating new entitities instance");
            Entities = new Dictionary<LLUUID, EntityBase>();
            m_scenePresences = new Dictionary<LLUUID, ScenePresence>();
            m_sceneObjects = new Dictionary<LLUUID, SceneObjectGroup>();

            MainLog.Instance.Verbose("SCENE", "Creating LandMap");
            Terrain = new TerrainEngine((int)RegionInfo.RegionLocX, (int)RegionInfo.RegionLocY);

            ScenePresence.LoadAnims();

            httpListener = httpServer;
            m_dumpAssetsToFile = dumpAssetsToFile;
        }

        #endregion

        #region Startup / Close Methods

        protected virtual void RegisterDefaultSceneEvents()
        {
            m_eventManager.OnParcelPrimCountAdd += m_LandManager.addPrimToLandPrimCounts;
            m_eventManager.OnParcelPrimCountUpdate += this.addPrimsToParcelCounts;
            m_eventManager.OnPermissionError += SendPermissionAlert;
        }

        public override bool OtherRegionUp(RegionInfo otherRegion)
        {
           // Another region is up.   
           // We have to tell all our ScenePresences about it.. 
           //and add it to the neighbor list.
           

            if (RegionInfo.RegionHandle != otherRegion.RegionHandle)
            {
                if ((Math.Abs(otherRegion.RegionLocX - RegionInfo.RegionLocX) <= 1) && (Math.Abs(otherRegion.RegionLocY - RegionInfo.RegionLocY) <= 1))
                {
                    for (int i = 0; i < m_neighbours.Count; i++)
                    {
                        // The purpose of this loop is to re-update the known neighbors 
                        // when another region comes up on top of another one.
                        // The latest region in that location ends up in the 
                        // 'known neighbors list'
                        // Additionally, the commFailTF property gets reset to false.
                        if (m_neighbours[i].RegionHandle == otherRegion.RegionHandle)
                        {
                            m_neighbours[i] = otherRegion;
                        }
                    }

                    // If the value isn't in the neighbours, add it.
                    // If the RegionInfo isn't exact but is for the same XY World location, 
                    // then the above loop will fix that.

                    if (!(m_neighbours.Contains(otherRegion)))
                    {
                        m_neighbours.Add(otherRegion);
                    }

                    if (!(m_regionRestartNotifyList.Contains(otherRegion)))
                    {
                        m_regionRestartNotifyList.Add(otherRegion);
                    
                        m_restartWaitTimer.Interval= 50000;
                        m_restartWaitTimer.AutoReset = false;
                        m_restartWaitTimer.Elapsed += new ElapsedEventHandler(RestartNotifyWaitElapsed);
                        m_restartWaitTimer.Start();
                    }
                }
                else
                {
                    MainLog.Instance.Verbose("INTERGRID", "Got notice about Region at X:" + otherRegion.RegionLocX.ToString() + " Y:" + otherRegion.RegionLocY.ToString() + " but it was too far away to send to the client");
                }
                
            }
            return true;
        }

        public virtual void Restart(float seconds)
        {
            if (seconds < 15)
            {
                m_restartTimer.Stop();
                SendGeneralAlert("Restart Aborted");
            }
            else
            {
                m_restartTimer.Interval = 15000;
                m_incrementsof15seconds = (int) seconds/15;
                m_RestartTimerCounter = 0;
                m_restartTimer.AutoReset = true;
                m_restartTimer.Elapsed += new ElapsedEventHandler(RestartTimer_Elapsed);
                MainLog.Instance.Error("REGION", "Restarting Region in " + (seconds / 60) + " minutes");
                m_restartTimer.Start();
                SendGeneralAlert(RegionInfo.RegionName + ": Restarting in 2 Minutes");
            }
        }

        public void RestartTimer_Elapsed(object sender, ElapsedEventArgs e)
        {
            m_RestartTimerCounter++;
            if (m_RestartTimerCounter <= m_incrementsof15seconds)
            {
                if (m_RestartTimerCounter == 4 || m_RestartTimerCounter == 6 || m_RestartTimerCounter == 7)
                    SendGeneralAlert(RegionInfo.RegionName + ": Restarting in " + ((8 - m_RestartTimerCounter) * 15) + " seconds");
            }
            else
            {
                m_restartTimer.Stop();
                m_restartTimer.AutoReset = false;
                RestartNow();
            }
        }

        public void RestartNow()
        {
            MainLog.Instance.Error("REGION", "Closing");
            Close();
            MainLog.Instance.Error("REGION", "Firing Region Restart Message");
            base.Restart(0);
        }

        public void RestartNotifyWaitElapsed(object sender, ElapsedEventArgs e)
        { 
            m_restartWaitTimer.Stop();
            foreach (RegionInfo region in m_regionRestartNotifyList)
            {
                try
                {

                    ForEachScenePresence(delegate(ScenePresence agent)
                    {
                        if (!agent.IsChildAgent)
                        {
                            //agent.ControllingClient.new
                            //this.CommsManager.InterRegion.InformRegionOfChildAgent(otherRegion.RegionHandle, agent.ControllingClient.RequestClientInfo());
                            InformClientOfNeighbor(agent, region);
                        }
                    }

                    );
                }
                catch (System.NullReferenceException)
                {
                    // This means that we're not booted up completely yet.
                }
            }
            // Reset list to nothing.
            m_regionRestartNotifyList.Clear();
        }

        public override void Close()
        {
            ForEachScenePresence(delegate(ScenePresence avatar)
                                 {
                                     if (avatar.KnownChildRegions.Contains(RegionInfo.RegionHandle))
                                         avatar.KnownChildRegions.Remove(RegionInfo.RegionHandle);

                                     if (!avatar.IsChildAgent)
                                         avatar.ControllingClient.Kick("The simulator is going down.");

                                     avatar.ControllingClient.OutPacket(new libsecondlife.Packets.DisableSimulatorPacket(), ThrottleOutPacketType.Task);
                                });
            
            Thread.Sleep(500);

            ForEachScenePresence(delegate(ScenePresence avatar)
                    {
                        avatar.ControllingClient.Stop();
                    });

            m_heartbeatTimer.Close();
            m_innerScene.Close();
            UnRegisterReginWithComms();

            foreach (IRegionModule module in Modules.Values)
            {
                if (!module.IsSharedModule)
                {
                    module.Close();
                }
            }
            Modules.Clear();

            base.Close();
        }

        /// <summary>
        /// 
        /// </summary>
        public void StartTimer()
        {
            m_heartbeatTimer.Enabled = true;
            m_heartbeatTimer.Interval = (int)(m_timespan * 1000);
            m_heartbeatTimer.Elapsed += new ElapsedEventHandler(Heartbeat);
        }

        public void SetModuleInterfaces()
        {
            m_simChatModule = RequestModuleInterface<ISimChat>();
            m_httpRequestModule = RequestModuleInterface<IHttpRequests>();
            m_xmlrpcModule = RequestModuleInterface<IXMLRPC>();
            m_worldCommModule = RequestModuleInterface<IWorldComm>();
            XferManager = RequestModuleInterface<IXfer>();
            m_AvatarFactory = RequestModuleInterface<IAvatarFactory>();
        }

        #endregion

        #region Update Methods

        /// <summary>
        /// Performs per-frame updates regularly
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Heartbeat(object sender, EventArgs e)
        {
            Update();
        }

        /// <summary>
        /// Performs per-frame updates on the scene, this should be the central scene loop
        /// </summary>
        public override void Update()
        {
            TimeSpan SinceLastFrame = DateTime.Now - m_lastupdate;
            // Aquire a lock so only one update call happens at once
            updateLock.WaitOne();

            try
            {
                // Increment the frame counter
                m_frame++;

                // Loop it
                if (m_frame == Int32.MaxValue)
                    m_frame = 0;

                if (m_frame % m_update_physics == 0)
                    m_innerScene.UpdatePreparePhysics();

                if (m_frame % m_update_entitymovement == 0)
                    m_innerScene.UpdateEntityMovement();

                if (m_frame % m_update_physics == 0)
                    m_innerScene.UpdatePhysics(
                        Math.Max(SinceLastFrame.TotalSeconds, m_timespan)
                        );

                if (m_frame % m_update_entities == 0)
                    m_innerScene.UpdateEntities();

                if (m_frame % m_update_events == 0)
                    UpdateEvents();

                if (m_frame % m_update_backup == 0)
                    UpdateStorageBackup();

                if (m_frame % m_update_terrain == 0)
                    UpdateTerrain();

                if (m_frame % m_update_land == 0)
                    UpdateLand();

                // if (m_frame%m_update_avatars == 0)
                //   UpdateInWorldTime();
            }
            catch (NotImplementedException)
            {
                throw;
            }
            catch (Exception e)
            {
                MainLog.Instance.Error("Scene", "Failed with exception " + e.ToString());
            }
            finally
            {
                updateLock.ReleaseMutex();

                m_timedilation = m_timespan / (float)SinceLastFrame.TotalSeconds;
                m_lastupdate = DateTime.Now;
            }
        }

        private void UpdateInWorldTime()
        {
            m_timeUpdateCount++;
            if (m_timeUpdateCount > 600)
            {
                List<ScenePresence> avatars = GetAvatars();
                foreach (ScenePresence avatar in avatars)
                {
                    avatar.ControllingClient.SendViewerTime(m_timePhase);
                }

                m_timeUpdateCount = 0;
                m_timePhase++;
                if (m_timePhase > 94)
                {
                    m_timePhase = 0;
                }
            }
        }

        private void UpdateLand()
        {
            if (m_LandManager.landPrimCountTainted)
            {
                //Perform land update of prim count
                performParcelPrimCountUpdate();
            }
        }

        private void UpdateTerrain()
        {
            if (Terrain.Tainted() && !Terrain.StillEditing())
            {
                CreateTerrainTexture(true);

                lock (Terrain.heightmap)
                {
                    lock (SyncRoot)
                    {
                        PhysicsScene.SetTerrain(Terrain.GetHeights1D());
                    }

                    m_storageManager.DataStore.StoreTerrain(Terrain.GetHeights2DD(), RegionInfo.RegionID);

                    float[] terData = Terrain.GetHeights1D();

                    Broadcast(delegate(IClientAPI client)
                                  {
                                      for (int x = 0; x < 16; x++)
                                      {
                                          for (int y = 0; y < 16; y++)
                                          {
                                              if (Terrain.Tainted(x * 16, y * 16))
                                              {
                                                  client.SendLayerData(x, y, terData);
                                              }
                                          }
                                      }
                                  });

                    Terrain.ResetTaint();
                }
            }
        }

        private void UpdateStorageBackup()
        {
            Backup();
        }

        private void UpdateEvents()
        {
            m_eventManager.TriggerOnFrame();
        }

        /// <summary>
        /// Perform delegate action on all clients subscribing to updates from this region.
        /// </summary>
        /// <returns></returns>
        internal void Broadcast(Action<IClientAPI> whatToDo)
        {
            ForEachScenePresence(delegate(ScenePresence presence) { whatToDo(presence.ControllingClient); });
        }

        /// <summary>
        /// 
        /// </summary>
        /// <returns></returns>
        public bool Backup()
        {
            EventManager.TriggerOnBackup(m_storageManager.DataStore);
            return true;
        }

        #endregion

        #region Load Terrain

        public void ExportWorldMap(string fileName)
        {
            List<MapBlockData> mapBlocks = this.CommsManager.GridService.RequestNeighbourMapBlocks((int)(this.RegionInfo.RegionLocX - 9), (int)(this.RegionInfo.RegionLocY - 9), (int)(this.RegionInfo.RegionLocX + 9), (int)(this.RegionInfo.RegionLocY + 9));
            List<AssetBase> textures = new List<AssetBase>();
            List<System.Drawing.Image> bitImages = new List<System.Drawing.Image>();

            foreach (MapBlockData mapBlock in mapBlocks)
            {
                AssetBase texAsset = this.AssetCache.GetAsset(mapBlock.MapImageId, true);

                if (texAsset != null)
                {
                    textures.Add(texAsset);
                }
                else
                {
                    texAsset = this.AssetCache.GetAsset(mapBlock.MapImageId, true);
                    if (texAsset != null)
                    {
                        textures.Add(texAsset);
                    }
                }
            }

            foreach (AssetBase asset in textures)
            {
               System.Drawing.Image image= OpenJPEGNet.OpenJPEG.DecodeToImage(asset.Data);
               bitImages.Add(image);
            }

            System.Drawing.Bitmap mapTexture = new System.Drawing.Bitmap(2560, 2560);
            System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(mapTexture);
            System.Drawing.SolidBrush sea = new System.Drawing.SolidBrush(System.Drawing.Color.DarkBlue);
            g.FillRectangle(sea, 0, 0, 2560, 2560);

            for (int i = 0; i < mapBlocks.Count; i++)
            {
                ushort x = (ushort) ((mapBlocks[i].X - this.RegionInfo.RegionLocX) + 10);
                ushort y = (ushort) ((mapBlocks[i].Y - this.RegionInfo.RegionLocY) + 10);
                g.DrawImage(bitImages[i], (x*128), (y*128), 128, 128);
            }
            mapTexture.Save(fileName, System.Drawing.Imaging.ImageFormat.Jpeg);
        }

        /// <summary>
        /// Loads the World heightmap
        /// </summary>
        /// 
        public override void LoadWorldMap()
        {
            try
            {
                double[,] map = m_storageManager.DataStore.LoadTerrain(RegionInfo.RegionID);
                if (map == null)
                {
                    if (string.IsNullOrEmpty(m_regInfo.EstateSettings.terrainFile))
                    {
                        MainLog.Instance.Verbose("TERRAIN", "No default terrain. Generating a new terrain.");
                        Terrain.HillsGenerator();

                        m_storageManager.DataStore.StoreTerrain(Terrain.GetHeights2DD(), RegionInfo.RegionID);
                    }
                    else
                    {
                        try
                        {
                            Terrain.LoadFromFileF32(m_regInfo.EstateSettings.terrainFile);
                            Terrain *= m_regInfo.EstateSettings.terrainMultiplier;
                        }
                        catch
                        {
                            MainLog.Instance.Verbose("TERRAIN",
                                                     "No terrain found in database or default. Generating a new terrain.");
                            Terrain.HillsGenerator();
                        }
                        m_storageManager.DataStore.StoreTerrain(Terrain.GetHeights2DD(), RegionInfo.RegionID);
                    }
                }
                else
                {
                    Terrain.SetHeights2D(map);
                }

                CreateTerrainTexture(false);
                //CommsManager.GridService.RegisterRegion(RegionInfo); //hack to update the terrain texture in grid mode so it shows on world map
            }
            catch (Exception e)
            {
                MainLog.Instance.Warn("terrain", "Scene.cs: LoadWorldMap() - Failed with exception " + e.ToString());
            }
        }

        public void RegisterRegionWithGrid()
        {
            RegisterCommsEvents();
            // These two 'commands' *must be* next to each other or sim rebooting fails.
            m_sceneGridService.RegisterRegion(RegionInfo);
            m_sceneGridService.InformNeighborsThatRegionisUp(RegionInfo);
        }

        /// <summary>
        /// 
        /// </summary>
        public void CreateTerrainTexture(bool temporary)
        {
            //create a texture asset of the terrain 
            byte[] data = Terrain.ExportJpegImage("defaultstripe.png");
            m_regInfo.EstateSettings.terrainImageID = LLUUID.Random();
            AssetBase asset = new AssetBase();
            asset.FullID = m_regInfo.EstateSettings.terrainImageID;
            asset.Data = data;
            asset.Name = "terrainImage";
            asset.Description = RegionInfo.RegionName;
            asset.Type = 0;
            asset.Temporary = temporary;
            AssetCache.AddAsset(asset);
        }
        
        #endregion

        #region Primitives Methods

        /// <summary>
        /// Loads the World's objects
        /// </summary>
        public virtual void LoadPrimsFromStorage(bool m_permissions)
        {
            MainLog.Instance.Verbose("SCENE", "Loading objects from datastore");
            List<SceneObjectGroup> PrimsFromDB = m_storageManager.DataStore.LoadObjects(m_regInfo.RegionID);
            foreach (SceneObjectGroup prim in PrimsFromDB)
            {
                AddEntityFromStorage(prim);
                SceneObjectPart rootPart = prim.GetChildPart(prim.UUID);
                rootPart.ApplySanePermissions();

                bool UsePhysics = (((rootPart.ObjectFlags & (uint)LLObject.ObjectFlags.Physics) > 0) && m_physicalPrim);
                if ((rootPart.ObjectFlags & (uint)LLObject.ObjectFlags.Phantom) == 0)
                    rootPart.PhysActor = PhysicsScene.AddPrimShape(
                        rootPart.Name,
                        rootPart.Shape,
                        new PhysicsVector(rootPart.AbsolutePosition.X, rootPart.AbsolutePosition.Y,
                                          rootPart.AbsolutePosition.Z),
                        new PhysicsVector(rootPart.Scale.X, rootPart.Scale.Y, rootPart.Scale.Z),
                        new Quaternion(rootPart.RotationOffset.W, rootPart.RotationOffset.X,
                                       rootPart.RotationOffset.Y, rootPart.RotationOffset.Z), UsePhysics);
                rootPart.DoPhysicsPropertyUpdate(UsePhysics, true);
            }
            MainLog.Instance.Verbose("SCENE", "Loaded " + PrimsFromDB.Count.ToString() + " SceneObject(s)");
        }


        /// <summary>
        /// Returns a new unallocated primitive ID
        /// </summary>
        /// <returns>A brand new primitive ID</returns>
        public uint PrimIDAllocate()
        {
            uint myID;

            _primAllocateMutex.WaitOne();
            ++_primCount;
            myID = _primCount;
            _primAllocateMutex.ReleaseMutex();

            return myID;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="addPacket"></param>
        /// <param name="ownerID"></param>
        public virtual void AddNewPrim(LLUUID ownerID, LLVector3 pos, LLQuaternion rot, PrimitiveBaseShape shape)
        {
            // What we're *supposed* to do is raytrace from the camera position given by the client to the nearest collision
            // in the direction the client supplies (the ground level that we clicked)  
            // This function is pretty crappy right now..  so we're not affecting where the newly rezzed objects go
            // Test it if you like.  The console will write where it guesses a collision took place. if it thinks one did.
            // It's wrong many times though.

            if (PermissionsMngr.CanRezObject(ownerID, pos))
            {
                Vector3 CameraPosition = ((ScenePresence)GetScenePresence(ownerID)).CameraPosition;
                Vector3 rayEnd = new Vector3(pos.X, pos.Y, pos.Z);

                float raydistance = m_innerScene.Vector3Distance(CameraPosition, rayEnd);

                Vector3 rayDirection = new Vector3(rayEnd.x / raydistance, rayEnd.y / raydistance, rayEnd.z / raydistance);

                Ray rezRay = new Ray(CameraPosition, rayDirection);

                Vector3 RezDirectionFromCamera = rezRay.Direction;

                EntityIntersection rayTracing = m_innerScene.GetClosestIntersectingPrim(rezRay);

                if (rayTracing.HitTF)
                {
                    // We raytraced and found a prim in the way of the ground..  so 
                    // We will rez the object somewhere close to the prim.  Better math needed. This is a Stub
                    //Vector3 Newpos = new Vector3(rayTracing.obj.AbsolutePosition.X,rayTracing.obj.AbsolutePosition.Y,rayTracing.obj.AbsolutePosition.Z);
                    Vector3 Newpos = rayTracing.ipoint;
                    Vector3 NewScale = new Vector3(rayTracing.obj.Scale.X, rayTracing.obj.Scale.Y, rayTracing.obj.Scale.Z);

                    Quaternion ParentRot = rayTracing.obj.ParentGroup.Rotation;
                    //Quaternion ParentRot = new Quaternion(primParentRot.W,primParentRot.X,primParentRot.Y,primParentRot.Z);

                    LLQuaternion primLocalRot = rayTracing.obj.RotationOffset;
                    Quaternion LocalRot = new Quaternion(primLocalRot.W, primLocalRot.X, primLocalRot.Y, primLocalRot.Z);

                    Quaternion NewRot = LocalRot * ParentRot;

                    Vector3 RezPoint = Newpos;

                    MainLog.Instance.Verbose("REZINFO", "Possible Rez Point:" + RezPoint.ToString());
                    //pos = new LLVector3(RezPoint.x, RezPoint.y, RezPoint.z);
                }
                else
                {
                    // rez ON the ground, not IN the ground
                    pos.Z += 0.25F;
                }
                
                SceneObjectGroup sceneOb =
                    new SceneObjectGroup(this, m_regionHandle, ownerID, PrimIDAllocate(), pos, rot, shape);
                AddEntity(sceneOb);
                SceneObjectPart rootPart = sceneOb.GetChildPart(sceneOb.UUID);
                // if grass or tree, make phantom
                //rootPart.ApplySanePermissions();
                if ((rootPart.Shape.PCode == 95) || (rootPart.Shape.PCode == 255))
                {
                    rootPart.AddFlag(LLObject.ObjectFlags.Phantom);
                    //rootPart.ObjectFlags += (uint)LLObject.ObjectFlags.Phantom;
                }
                // if not phantom, add to physics
                bool UsePhysics = (((rootPart.ObjectFlags & (uint)LLObject.ObjectFlags.Physics) > 0) && m_physicalPrim);
                if ((rootPart.ObjectFlags & (uint)LLObject.ObjectFlags.Phantom) == 0)
                {
                    rootPart.PhysActor =
                        PhysicsScene.AddPrimShape(
                            rootPart.Name,
                            rootPart.Shape,
                            new PhysicsVector(pos.X, pos.Y, pos.Z),
                            new PhysicsVector(shape.Scale.X, shape.Scale.Y, shape.Scale.Z),
                            new Quaternion(), UsePhysics);
                    // subscribe to physics events.
                    rootPart.DoPhysicsPropertyUpdate(UsePhysics, true);
                }
            }
        }

        public void RemovePrim(uint localID, LLUUID avatar_deleter)
        {
            m_innerScene.RemovePrim(localID, avatar_deleter);
        }

        public void AddEntityFromStorage(SceneObjectGroup sceneObject)
        {
            m_innerScene.AddEntityFromStorage(sceneObject);
        }

        public void AddEntity(SceneObjectGroup sceneObject)
        {
            m_innerScene.AddEntity(sceneObject);
        }

        public void RemoveEntity(SceneObjectGroup sceneObject)
        {
            if (Entities.ContainsKey(sceneObject.UUID))
            {
                m_LandManager.removePrimFromLandPrimCounts(sceneObject);
                Entities.Remove(sceneObject.UUID);
                m_LandManager.setPrimsTainted();
            }
        }

        /// <summary>
        /// Called by a prim when it has been created/cloned, so that its events can be subscribed to
        /// </summary>
        /// <param name="prim"></param>
        public void AcknowledgeNewPrim(SceneObjectGroup prim)
        {
            prim.OnPrimCountTainted += m_LandManager.setPrimsTainted;
        }

        public void LoadPrimsFromXml(string fileName, bool newIdsFlag, LLVector3 loadOffset)
        {
            m_sceneXmlLoader.LoadPrimsFromXml(fileName, newIdsFlag, loadOffset);
        }

        public void SavePrimsToXml(string fileName)
        {
            m_sceneXmlLoader.SavePrimsToXml(fileName);
        }

        public void LoadPrimsFromXml2(string fileName)
        {
            m_sceneXmlLoader.LoadPrimsFromXml2(fileName);
        }

        public void SavePrimsToXml2(string fileName)
        {
            m_sceneXmlLoader.SavePrimsToXml2(fileName);
        }

        #endregion

        #region Add/Remove Avatar Methods

        /// <summary>
        /// 
        /// </summary>
        /// <param name="client"></param          
        /// <param name="child"></param>
        public override void AddNewClient(IClientAPI client, bool child)
        {
            SubscribeToClientEvents(client);

            m_estateManager.sendRegionHandshake(client);

            CreateAndAddScenePresence(client, child);

            m_LandManager.sendParcelOverlay(client);
            CommsManager.UserProfileCacheService.AddNewUser(client.AgentId);
            CommsManager.TransactionsManager.AddUser(client.AgentId);
        }

        protected virtual void SubscribeToClientEvents(IClientAPI client)
        {
            // client.OnStartAnim += StartAnimation;
            client.OnRegionHandShakeReply += SendLayerData;
            //remoteClient.OnRequestWearables += new GenericCall(this.GetInitialPrims);
            client.OnModifyTerrain += ModifyTerrain;
            // client.OnRequestWearables += InformClientOfNeighbours;
            client.OnAddPrim += AddNewPrim;
            client.OnUpdatePrimGroupPosition += m_innerScene.UpdatePrimPosition;
            client.OnUpdatePrimSinglePosition += m_innerScene.UpdatePrimSinglePosition;
            client.OnUpdatePrimGroupRotation += m_innerScene.UpdatePrimRotation;
            client.OnUpdatePrimGroupMouseRotation += m_innerScene.UpdatePrimRotation;
            client.OnUpdatePrimSingleRotation += m_innerScene.UpdatePrimSingleRotation;
            client.OnUpdatePrimScale += m_innerScene.UpdatePrimScale;
            client.OnUpdateExtraParams += m_innerScene.UpdateExtraParam;
            client.OnUpdatePrimShape += m_innerScene.UpdatePrimShape;
            client.OnRequestMapBlocks += RequestMapBlocks;
            client.OnUpdatePrimTexture += m_innerScene.UpdatePrimTexture;
            client.OnTeleportLocationRequest += RequestTeleportLocation;
            client.OnObjectSelect += SelectPrim;
            client.OnObjectDeselect += DeselectPrim;
            client.OnGrabUpdate += m_innerScene.MoveObject;
            client.OnDeRezObject += DeRezObject;
            client.OnRezObject += RezObject;
            client.OnNameFromUUIDRequest += CommsManager.HandleUUIDNameRequest;
            client.OnObjectDescription += m_innerScene.PrimDescription;
            client.OnObjectName += m_innerScene.PrimName;
            client.OnLinkObjects += m_innerScene.LinkObjects;
            client.OnDelinkObjects += m_innerScene.DelinkObjects;
            client.OnObjectDuplicate += m_innerScene.DuplicateObject;
            client.OnUpdatePrimFlags += m_innerScene.UpdatePrimFlags;
            client.OnRequestObjectPropertiesFamily += m_innerScene.RequestObjectPropertiesFamily;
            client.OnParcelPropertiesRequest += new ParcelPropertiesRequest(m_LandManager.handleParcelPropertiesRequest);
            client.OnParcelDivideRequest += new ParcelDivideRequest(m_LandManager.handleParcelDivideRequest);
            client.OnParcelJoinRequest += new ParcelJoinRequest(m_LandManager.handleParcelJoinRequest);
            client.OnParcelPropertiesUpdateRequest +=
                new ParcelPropertiesUpdateRequest(m_LandManager.handleParcelPropertiesUpdateRequest);
            client.OnParcelSelectObjects += new ParcelSelectObjects(m_LandManager.handleParcelSelectObjectsRequest);
            client.OnParcelObjectOwnerRequest +=
                new ParcelObjectOwnerRequest(m_LandManager.handleParcelObjectOwnersRequest);

            client.OnEstateOwnerMessage += new EstateOwnerMessageRequest(m_estateManager.handleEstateOwnerMessage);
            client.OnRequestGodlikePowers += handleRequestGodlikePowers;
            client.OnGodKickUser += handleGodlikeKickUser;
            client.OnObjectPermissions += HandleObjectPermissionsUpdate;

            client.OnCreateNewInventoryItem += CreateNewInventoryItem;
            client.OnCreateNewInventoryFolder += CommsManager.UserProfileCacheService.HandleCreateInventoryFolder;
            client.OnFetchInventoryDescendents += CommsManager.UserProfileCacheService.HandleFetchInventoryDescendents;
            client.OnPurgeInventoryDescendents += CommsManager.UserProfileCacheService.HandlePurgeInventoryDescendents;
            client.OnRequestTaskInventory += RequestTaskInventory;
            client.OnFetchInventory += CommsManager.UserProfileCacheService.HandleFetchInventory;
            client.OnUpdateInventoryItem += UpdateInventoryItemAsset;
            client.OnCopyInventoryItem += CopyInventoryItem;
            client.OnMoveInventoryItem += MoveInventoryItem;
            client.OnAssetUploadRequest += CommsManager.TransactionsManager.HandleUDPUploadRequest;
            client.OnXferReceive += CommsManager.TransactionsManager.HandleXfer;
            client.OnRezScript += RezScript;
            client.OnRemoveTaskItem += RemoveTaskInventory;

            client.OnGrabObject += ProcessObjectGrab;
            client.OnAvatarPickerRequest += ProcessAvatarPickerRequest;
            
            EventManager.TriggerOnNewClient(client);
        }

        protected virtual ScenePresence CreateAndAddScenePresence(IClientAPI client, bool child)
        {
            ScenePresence avatar = null;

            AvatarAppearance appearance;
            LoadAvatarAppearance(client, out appearance);

            avatar = m_innerScene.CreateAndAddScenePresence(client, child, appearance);

            if (avatar.IsChildAgent)
            {
                avatar.OnSignificantClientMovement += m_LandManager.handleSignificantClientMovement;
            }

            return avatar;
        }

        protected void LoadAvatarAppearance(IClientAPI client,  out AvatarAppearance appearance)
        {
            if (m_AvatarFactory == null ||
                !m_AvatarFactory.TryGetAvatarAppearance(client.AgentId, out appearance))
            {
                //not found Appearance
                byte[] visualParams;
                AvatarWearable[] wearables;
                AvatarFactoryModule.GetDefaultAvatarAppearance(out wearables, out visualParams);
                appearance = new AvatarAppearance(client.AgentId, wearables, visualParams);
            }
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="agentID"></param>
        public override void RemoveClient(LLUUID agentID)
        {
            m_eventManager.TriggerOnRemovePresence(agentID);

            ScenePresence avatar = GetScenePresence(agentID);
            
            Broadcast(delegate(IClientAPI client)
                      { 
                          try
                          {
                              client.SendKillObject(avatar.RegionHandle, avatar.LocalId); 
                          }
                          catch (System.NullReferenceException)
                          {
                              //We can safely ignore null reference exceptions.  It means the avatar are dead and cleaned up anyway.
                          }                    
                      });

            ForEachScenePresence(
                delegate(ScenePresence presence) { presence.CoarseLocationChange(); });

            lock (m_scenePresences)
            {
                m_scenePresences.Remove(agentID);
            }

            lock (Entities)
            {
                Entities.Remove(agentID);
            }

            try
            {
                avatar.Close();
            }
            catch (System.NullReferenceException)
            {
                //We can safely ignore null reference exceptions.  It means the avatar are dead and cleaned up anyway.
            }     
            catch (Exception e)
            {
                MainLog.Instance.Error("Scene.cs:RemoveClient exception: " + e.ToString());
            }

            // Remove client agent from profile, so new logins will work
            CommsManager.UserService.clearUserAgent(agentID);
        }

        public void NotifyMyCoarseLocationChange()
        {
            ForEachScenePresence(delegate(ScenePresence presence) { presence.CoarseLocationChange(); });
        }
        #endregion

        #region Entities
        /// <summary>
        /// 
        /// </summary>
        /// <param name="entID"></param>
        /// <returns></returns>
        public bool DeleteEntity(LLUUID entID)
        {
            if (Entities.ContainsKey(entID))
            {
                Entities.Remove(entID);
                m_storageManager.DataStore.RemoveObject(entID, m_regInfo.RegionID);
                return true;
            }
            return false;
        }

        public void SendKillObject(uint localID)
        {
            Broadcast(delegate(IClientAPI client) { client.SendKillObject(m_regionHandle, localID); });
        }

        #endregion

        #region RegionComms

        /// <summary>
        /// 
        /// </summary>
        public void RegisterCommsEvents()
        {
            m_sceneGridService.OnExpectUser += NewUserConnection;
            m_sceneGridService.OnAvatarCrossingIntoRegion += AgentCrossing;
            m_sceneGridService.OnCloseAgentConnection += CloseConnection;
            m_sceneGridService.OnRegionUp += OtherRegionUp;
            m_sceneGridService.OnChildAgentUpdate += IncomingChildAgentDataUpdate;

            m_sceneGridService.KillObject = SendKillObject;            
        }

        /// <summary>
        /// 
        /// </summary>
        public void UnRegisterReginWithComms()
        {
            m_sceneGridService.OnChildAgentUpdate -= IncomingChildAgentDataUpdate;
            m_sceneGridService.OnRegionUp -= OtherRegionUp;
            m_sceneGridService.OnExpectUser -= NewUserConnection;
            m_sceneGridService.OnAvatarCrossingIntoRegion -= AgentCrossing;
            m_sceneGridService.OnCloseAgentConnection -= CloseConnection;

            m_sceneGridService.Close();
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="regionHandle"></param>
        /// <param name="agent"></param>
        public void NewUserConnection(ulong regionHandle, AgentCircuitData agent)
        {
            if (regionHandle == m_regInfo.RegionHandle)
            {
                if (agent.CapsPath != "")
                {
                    Caps cap =
                        new Caps(AssetCache, httpListener, m_regInfo.ExternalHostName, httpListener.Port,
                                 agent.CapsPath, agent.AgentID, m_dumpAssetsToFile);

                    Util.SetCapsURL(agent.AgentID, "http://" + m_regInfo.ExternalHostName + ":" + httpListener.Port.ToString() +
                                    "/CAPS/" + agent.CapsPath + "0000/");
                    cap.RegisterHandlers();
                    cap.AddNewInventoryItem = AddInventoryItem;
                    cap.ItemUpdatedCall = CapsUpdateInventoryItemAsset;
                    if (m_capsHandlers.ContainsKey(agent.AgentID))
                    {
                        //MainLog.Instance.Warn("client", "Adding duplicate CAPS entry for user " +
                        //    agent.AgentID.ToStringHyphenated());
                        m_capsHandlers[agent.AgentID] = cap;
                    }
                    else
                    {
                        m_capsHandlers.Add(agent.AgentID, cap);
                    }
                }
                m_authenticateHandler.AddNewCircuit(agent.circuitcode, agent);
            }
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="regionHandle"></param>
        /// <param name="agentID"></param>
        /// <param name="position"></param>
        /// <param name="isFlying"></param>
        public virtual void AgentCrossing(ulong regionHandle, LLUUID agentID, LLVector3 position, bool isFlying)
        {
            if (regionHandle == m_regInfo.RegionHandle)
            {
                if (m_scenePresences.ContainsKey(agentID))
                {
                    m_scenePresences[agentID].MakeRootAgent(position, isFlying);
                }
            }
        }

        public virtual bool IncomingChildAgentDataUpdate(ulong regionHandle, ChildAgentDataUpdate cAgentData)
        {
            ScenePresence childAgentUpdate = GetScenePresence(new LLUUID(cAgentData.AgentID));
            if (!(childAgentUpdate.Equals(null)))
            {
                // I can't imagine *yet* why we would get an update if the agent is a root agent..    
                // however to avoid a race condition crossing borders..   
                if (childAgentUpdate.IsChildAgent)
                {
                    //Send Data to ScenePresence
                    childAgentUpdate.ChildAgentDataUpdate(cAgentData);
                    // Not Implemented:
                    //TODO: Do we need to pass the message on to one of our neighbors?

                }
            }
            return true;
        }
        /// <summary>
        /// 
        /// </summary>
        /// <param name="regionHandle"></param>
        /// <param name="agentID"></param>
        public void CloseConnection(ulong regionHandle, LLUUID agentID)
        {
            if (regionHandle == m_regionHandle)
            {
                ScenePresence presence = m_innerScene.GetScenePresence(agentID);
                if (presence != null)
                {
                    libsecondlife.Packets.DisableSimulatorPacket disable = new libsecondlife.Packets.DisableSimulatorPacket();
                    presence.ControllingClient.OutPacket(disable, ThrottleOutPacketType.Task);
                }
            }
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="presence"></param>
        public void InformClientOfNeighbours(ScenePresence presence)
        {
            m_sceneGridService.EnableNeighbourChildAgents(presence);
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="presence"></param>
        /// <param name="region"></param>
        public void InformClientOfNeighbor(ScenePresence presence, RegionInfo region)
        {
            m_sceneGridService.InformNeighborChildAgent(presence, region);
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="regionHandle"></param>
        /// <returns></returns>
        public RegionInfo RequestNeighbouringRegionInfo(ulong regionHandle)
        {
            return m_sceneGridService.RequestNeighbouringRegionInfo(regionHandle);
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="remoteClient"></param>
        /// <param name="minX"></param>
        /// <param name="minY"></param>
        /// <param name="maxX"></param>
        /// <param name="maxY"></param>
        public void RequestMapBlocks(IClientAPI remoteClient, int minX, int minY, int maxX, int maxY)
        {
            m_sceneGridService.RequestMapBlocks(remoteClient, minX, minY, maxX, maxX);
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="remoteClient"></param>
        /// <param name="regionHandle"></param>
        /// <param name="position"></param>
        /// <param name="lookAt"></param>
        /// <param name="flags"></param>
        public void RequestTeleportLocation(IClientAPI remoteClient, ulong regionHandle, LLVector3 position,
                                            LLVector3 lookAt, uint flags)
        {
            if (m_scenePresences.ContainsKey(remoteClient.AgentId))
            {
                m_sceneGridService.RequestTeleportToLocation(m_scenePresences[remoteClient.AgentId], regionHandle, position, lookAt, flags);
            }
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="regionHandle"></param>
        /// <param name="agentID"></param>
        /// <param name="position"></param>
        /// <param name="isFlying"></param>
        /// <returns></returns>
        public bool InformNeighbourOfCrossing(ulong regionHandle, LLUUID agentID, LLVector3 position, bool isFlying)
        {
            return m_sceneGridService.CrossToNeighbouringRegion(regionHandle, agentID, position, isFlying);
        }

        #endregion

        #region Module Methods

        /// <summary>
        /// 
        /// </summary>
        /// <param name="name"></param>
        /// <param name="module"></param>
        public void AddModule(string name, IRegionModule module)
        {
            if (!Modules.ContainsKey(name))
            {
                Modules.Add(name, module);
            }
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="mod"></param>
        public void RegisterModuleInterface<M>(M mod)
        {
            if (!ModuleInterfaces.ContainsKey(typeof(M)))
            {
                ModuleInterfaces.Add(typeof(M), mod);
            }
        }

        /// <summary>
        /// 
        /// </summary>
        /// <returns></returns>
        public T RequestModuleInterface<T>()
        {
            if (ModuleInterfaces.ContainsKey(typeof(T)))
            {
                return (T)ModuleInterfaces[typeof(T)];
            }
            else
            {
                return default(T);
            }
        }

        #endregion

        #region Other Methods

        /// <summary>
        /// 
        /// </summary>
        /// <param name="phase"></param>
        public void SetTimePhase(int phase)
        {
            m_timePhase = phase;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="avatarID"></param>
        /// <param name="objectName"></param>
        /// <param name="objectID"></param>
        /// <param name="ownerID"></param>
        /// <param name="groupOwned"></param>
        /// <param name="message"></param>
        /// <param name="url"></param>
        public void SendUrlToUser(LLUUID avatarID, string objectName, LLUUID objectID, LLUUID ownerID, bool groupOwned,
                                  string message, string url)
        {
            if (m_scenePresences.ContainsKey(avatarID))
            {
                m_scenePresences[avatarID].ControllingClient.SendLoadURL(objectName, objectID, ownerID, groupOwned,
                                                                         message, url);
            }
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="url"></param>
        /// <param name="type"></param>
        /// <param name="body"></param>
        /// <returns></returns>
        public LLUUID MakeHttpRequest(string url, string type, string body)
        {
            if (m_httpRequestModule != null)
            {
                return m_httpRequestModule.MakeHttpRequest(url, type, body);
            }
            return LLUUID.Zero;
        }

        /// <summary>
        /// 
        /// </summary>
        public void performParcelPrimCountUpdate()
        {
            m_LandManager.resetAllLandPrimCounts();
            m_eventManager.TriggerParcelPrimCountUpdate();
            m_LandManager.finalizeLandPrimCountUpdate();
            m_LandManager.landPrimCountTainted = false;
        }

        /// <summary>
        /// 
        /// </summary>
        public void addPrimsToParcelCounts()
        {
            foreach (EntityBase obj in Entities.Values)
            {
                if (obj is SceneObjectGroup)
                {
                    m_eventManager.TriggerParcelPrimCountAdd((SceneObjectGroup)obj);
                }
            }
        }

        #endregion

        #region Console Commands
        #region Alert Methods

        private void SendPermissionAlert(LLUUID user, string reason)
        {
            SendAlertToUser(user, reason, false);
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="message"></param>
        public void SendGeneralAlert(string message)
        {
            foreach (ScenePresence presence in m_scenePresences.Values)
            {
                presence.ControllingClient.SendAlertMessage(message);
            }
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="agentID"></param>
        /// <param name="message"></param>
        /// <param name="modal"></param>
        public void SendAlertToUser(LLUUID agentID, string message, bool modal)
        {
            if (m_scenePresences.ContainsKey(agentID))
            {
                m_scenePresences[agentID].ControllingClient.SendAgentAlertMessage(message, modal);
            }
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="agentID"></param>
        /// <param name="sessionID"></param>
        /// <param name="token"></param>
        /// <param name="controllingClient"></param>
        public void handleRequestGodlikePowers(LLUUID agentID, LLUUID sessionID, LLUUID token, IClientAPI controllingClient)
        {
            // First check that this is the sim owner
            if (agentID == RegionInfo.MasterAvatarAssignedUUID)
            {
                // User needs to be logged into this sim
                if (m_scenePresences.ContainsKey(agentID))
                {
                    // Next we check for spoofing.....
                    LLUUID testSessionID = m_scenePresences[agentID].ControllingClient.SessionId;
                    if (sessionID == testSessionID)
                    {
                        if (sessionID == controllingClient.SessionId)
                        {
                            m_scenePresences[agentID].GrantGodlikePowers(agentID, testSessionID, token);
                        }
                    }
                }
            }
            else
            {
                m_scenePresences[agentID].ControllingClient.SendAgentAlertMessage("Request for god powers denied", false);
            }
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="godID"></param>
        /// <param name="sessionID"></param>
        /// <param name="agentID"></param>
        /// <param name="kickflags"></param>
        /// <param name="reason"></param>
        public void handleGodlikeKickUser(LLUUID godID, LLUUID sessionID, LLUUID agentID, uint kickflags, byte[] reason)
        {
            // For some reason the client sends this seemingly hard coded UUID for kicking everyone.   Dun-know.
            LLUUID kickUserID = new LLUUID("44e87126e7944ded05b37c42da3d5cdb");
            if (m_scenePresences.ContainsKey(agentID) || agentID == kickUserID)
            {
                if (godID == RegionInfo.MasterAvatarAssignedUUID)
                {
                    if (agentID == kickUserID)
                    {
                        ClientManager.ForEachClient(delegate(IClientAPI controller)
                                                    {
                                                        ScenePresence p = GetScenePresence(controller.AgentId);
                                                        bool childagent = !p.Equals(null) && p.IsChildAgent;
                                                        if (controller.AgentId != godID && !childagent) // Do we really want to kick the initiator of this madness?
                                                        {
                                                            controller.Kick(Helpers.FieldToUTF8String(reason));
                                                        }
                                                    }
                            );
                        // This is a bit crude.   It seems the client will be null before it actually stops the thread
                        // The thread will kill itself eventually :/
                        // Is there another way to make sure *all* clients get this 'inter region' message?
                        ClientManager.ForEachClient(delegate(IClientAPI controller)
                                                    {
                                                        ScenePresence p = GetScenePresence(controller.AgentId);
                                                        bool childagent = !p.Equals(null) && p.IsChildAgent;
                                                        if (controller.AgentId != godID && !childagent) // Do we really want to kick the initiator of this madness?
                                                        {
                                                            controller.Close();
                                                        }
                                                    }
                            );
                    }
                    else
                    {
                        m_scenePresences[agentID].ControllingClient.Kick(Helpers.FieldToUTF8String(reason));
                        m_scenePresences[agentID].ControllingClient.Close();
                    }
                }
                else
                {
                    if (m_scenePresences.ContainsKey(godID))
                        m_scenePresences[godID].ControllingClient.SendAgentAlertMessage("Kick request denied", false);
                }
            }
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="controller"></param>
        /// <param name="agentID"></param>
        /// <param name="sessionID"></param>
        /// <param name="permChanges"></param>
        public void HandleObjectPermissionsUpdate (IClientAPI controller, LLUUID agentID, LLUUID sessionID, List<libsecondlife.Packets.ObjectPermissionsPacket.ObjectDataBlock> permChanges)
        {
            // Check for spoofing..  since this is permissions we're talking about here!
            if ((controller.SessionId == sessionID) && (controller.AgentId == agentID))
            {
                for (int i = 0; i < permChanges.Count; i++)
                {
                    // Tell the object to do permission update
                    byte field = permChanges[i].Field;
                    uint localID = permChanges[i].ObjectLocalID;
                    uint mask = permChanges[i].Mask;
                    byte addRemTF = permChanges[i].Set;
                    SceneObjectGroup chObjectGroup = GetGroupByPrim(localID);
                    chObjectGroup.UpdatePermissions(agentID, field, localID, mask, addRemTF);
                }
            }
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="firstName"></param>
        /// <param name="lastName"></param>
        /// <param name="message"></param>
        /// <param name="modal"></param>
        public void SendAlertToUser(string firstName, string lastName, string message, bool modal)
        {
            foreach (ScenePresence presence in m_scenePresences.Values)
            {
                if ((presence.Firstname == firstName) && (presence.Lastname == lastName))
                {
                    presence.ControllingClient.SendAgentAlertMessage(message, modal);
                    break;
                }
            }
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="commandParams"></param>
        public void HandleAlertCommand(string[] commandParams)
        {
            if (commandParams[0] == "general")
            {
                string message = CombineParams(commandParams, 1);
                SendGeneralAlert(message);
            }
            else
            {
                string message = CombineParams(commandParams, 2);
                SendAlertToUser(commandParams[0], commandParams[1], message, false);
            }
        }

        private string CombineParams(string[] commandParams, int pos)
        {
            string result = "";
            for (int i = pos; i < commandParams.Length; i++)
            {
                result += commandParams[i] + " ";
            }
            return result;
        }

        #endregion

        /// <summary>
        /// 
        /// </summary>
        public void ForceClientUpdate()
        {
            foreach (EntityBase ent in Entities.Values)
            {
                if (ent is SceneObjectGroup)
                {
                    ((SceneObjectGroup)ent).ScheduleGroupForFullUpdate();
                }
            }
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="cmdparams"></param>
        public void HandleEditCommand(string[] cmdparams)
        {
            Console.WriteLine("Searching for Primitive: '" + cmdparams[0] + "'");
            foreach (EntityBase ent in Entities.Values)
            {
                if (ent is SceneObjectGroup)
                {
                    SceneObjectPart part = ((SceneObjectGroup)ent).GetChildPart(((SceneObjectGroup)ent).UUID);
                    if (part != null)
                    {
                        if (part.Name == cmdparams[0])
                        {
                            part.Resize(
                                new LLVector3(Convert.ToSingle(cmdparams[1]), Convert.ToSingle(cmdparams[2]),
                                              Convert.ToSingle(cmdparams[3])));

                            Console.WriteLine("Edited scale of Primitive: " + part.Name);
                        }
                    }
                }
            }
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="showWhat"></param>
        public void Show(string showWhat)
        {
            switch (showWhat)
            {
                case "users":
                    MainLog.Instance.Error("Current Region: " + RegionInfo.RegionName);
                    MainLog.Instance.Error(
                        String.Format("{0,-16}{1,-16}{2,-25}{3,-25}{4,-16}{5,-16}{6,-16}", "Firstname", "Lastname",
                                      "Agent ID", "Session ID", "Circuit", "IP", "World"));

                    foreach (ScenePresence scenePrescence in GetAvatars())
                    {
                        MainLog.Instance.Error(
                            String.Format("{0,-16}{1,-16}{2,-25}{3,-25}{4,-16},{5,-16}{6,-16}",
                                          scenePrescence.Firstname,
                                          scenePrescence.Lastname,
                                          scenePrescence.UUID,
                                          scenePrescence.ControllingClient.AgentId,
                                          "Unknown",
                                          "Unknown",
                                          RegionInfo.RegionName));
                    }
                    break;
                case "modules":
                    MainLog.Instance.Error("The currently loaded modules in " + RegionInfo.RegionName + " are:");
                    foreach (IRegionModule module in Modules.Values)
                    {
                        if (!module.IsSharedModule)
                        {
                            MainLog.Instance.Error("Region Module: " + module.Name);
                        }
                    }
                    break;
            }
        }

        #endregion

        #region Script Handling Methods

        /// <summary>
        /// 
        /// </summary>
        /// <param name="args"></param>
        public void SendCommandToPlugins(string[] args)
        {
            m_eventManager.TriggerOnPluginConsole(args);
        }

        #endregion

        #region Script Engine

        private List<ScriptEngineInterface> ScriptEngines = new List<ScriptEngineInterface>();
        private bool m_dumpAssetsToFile;

        /// <summary>
        /// 
        /// </summary>
        /// <param name="scriptEngine"></param>
        /// <param name="logger"></param>
        public void AddScriptEngine(ScriptEngineInterface scriptEngine, LogBase logger)
        {
            ScriptEngines.Add(scriptEngine);
            scriptEngine.InitializeEngine(this, logger);
        }

        #endregion

        #region InnerScene wrapper methods

        /// <summary>
        /// 
        /// </summary>
        /// <param name="localID"></param>
        /// <returns></returns>
        public LLUUID ConvertLocalIDToFullID(uint localID)
        {
            return m_innerScene.ConvertLocalIDToFullID(localID);
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="presence"></param>
        public void SendAllSceneObjectsToClient(ScenePresence presence)
        {
            m_innerScene.SendAllSceneObjectsToClient(presence);
        }

        //The idea is to have a group of method that return a list of avatars meeting some requirement
        // ie it could be all m_scenePresences within a certain range of the calling prim/avatar. 

        /// <summary>
        /// 
        /// </summary>
        /// <returns></returns>
        public List<ScenePresence> GetAvatars()
        {
            return m_innerScene.GetAvatars();
        }

        /// <summary>
        /// Request a List of all m_scenePresences in this World
        /// </summary>
        /// <returns></returns>
        public List<ScenePresence> GetScenePresences()
        {
            return m_innerScene.GetScenePresences();
        }

        /// <summary>
        /// Request a filtered list of m_scenePresences in this World
        /// </summary>
        /// <param name="filter"></param>
        /// <returns></returns>
        public List<ScenePresence> GetScenePresences(FilterAvatarList filter)
        {
            return m_innerScene.GetScenePresences(filter);
        }

        /// <summary>
        /// Request a Avatar by UUID
        /// </summary>
        /// <param name="avatarID"></param>
        /// <returns></returns>
        public ScenePresence GetScenePresence(LLUUID avatarID)
        {
            return m_innerScene.GetScenePresence(avatarID);
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="action"></param>
        public void ForEachScenePresence(Action<ScenePresence> action)
        {
            // We don't want to try to send messages if there are no avatar.
            if (!(m_scenePresences.Equals(null)))
            {
                foreach (ScenePresence presence in m_scenePresences.Values)
                {
                    action(presence);
                }
            }
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="action"></param>
        public void ForEachObject(Action<SceneObjectGroup> action)
        {
            foreach (SceneObjectGroup presence in m_sceneObjects.Values)
            {
                action(presence);
            }
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="localID"></param>
        /// <returns></returns>
        public SceneObjectPart GetSceneObjectPart(uint localID)
        {
            return m_innerScene.GetSceneObjectPart(localID);
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="fullID"></param>
        /// <returns></returns>
        public SceneObjectPart GetSceneObjectPart(LLUUID fullID)
        {
            return m_innerScene.GetSceneObjectPart(fullID);
        }

        internal bool TryGetAvatar(LLUUID avatarId, out ScenePresence avatar)
        {
            return m_innerScene.TryGetAvatar(avatarId, out avatar);
        }

        internal bool TryGetAvatarByName(string avatarName, out ScenePresence avatar)
        {
            return m_innerScene.TryGetAvatarByName(avatarName, out avatar);
        }

        internal void ForEachClient(Action<IClientAPI> action)
        {
            m_innerScene.ForEachClient(action);
        }

        #endregion
    }
}