libremetaverse/LibreMetaverse/ParcelManager.cs

/*
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 * Copyright (c) 2021-2022, Sjofn LLC
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using System;
using System.Threading;
using System.Reflection;
using System.Collections.Generic;
using System.Linq;
using OpenMetaverse.Packets;
using OpenMetaverse.Interfaces;
using OpenMetaverse.StructuredData;
using OpenMetaverse.Messages.Linden;
using System.Threading.Tasks;
using LibreMetaverse;

namespace OpenMetaverse
{
    #region Enums

    /// <summary>
    /// Type of return to use when returning objects from a parcel
    /// </summary>
    public enum ObjectReturnType : uint
    {
        /// <summary></summary>
        None = 0,
        /// <summary>Return objects owned by parcel owner</summary>
        Owner = 1 << 1,
        /// <summary>Return objects set to group</summary>
        Group = 1 << 2,
        /// <summary>Return objects not owned by parcel owner or set to group</summary>
        Other = 1 << 3,
        /// <summary>Return a specific list of objects on parcel</summary>
        List = 1 << 4,
        /// <summary>Return objects that are marked for-sale</summary>
        Sell = 1 << 5
    }

    /// <summary>
    /// Blacklist/Whitelist flags used in parcels Access List
    /// </summary>
    public enum ParcelAccessFlags : uint
    {
        /// <summary>Agent is denied access</summary>
        NoAccess = 0,
        /// <summary>Agent is granted access</summary>
        Access = 1
    }

    /// <summary>
    /// The result of a request for parcel properties
    /// </summary>
    public enum ParcelResult : int
    {
        /// <summary>No matches were found for the request</summary>
        NoData = -1,
        /// <summary>Request matched a single parcel</summary>
        Single = 0,
        /// <summary>Request matched multiple parcels</summary>
        Multiple = 1
    }

    /// <summary>
    /// Flags used in the ParcelAccessListRequest packet to specify whether
    /// we want the access list (whitelist), ban list (blacklist), or both
    /// </summary>
    [Flags]
    public enum AccessList : uint
    {
        /// <summary>Request the access list</summary>
        Access = 1 << 0,
        /// <summary>Request the ban list</summary>
        Ban = 1 << 1,
        /// <summary>Request both White and Black lists</summary>
        Both = Access | Ban
    }

    /// <summary>
    /// Sequence ID in ParcelPropertiesReply packets (sent when avatar
    /// tries to cross a parcel border)
    /// </summary>
    public enum ParcelPropertiesStatus : int
    {
        /// <summary>Parcel is currently selected</summary>
        ParcelSelected = -10000,
        /// <summary>Parcel restricted to a group the avatar is not a
        /// member of</summary>
        CollisionNotInGroup = -20000,
        /// <summary>Avatar is banned from the parcel</summary>
        CollisionBanned = -30000,
        /// <summary>Parcel is restricted to an access list that the
        /// avatar is not on</summary>
        CollisionNotOnAccessList = -40000,
        /// <summary>Response to hovering over a parcel</summary>
        HoveredOverParcel = -50000
    }

    /// <summary>
    /// The tool to use when modifying terrain levels
    /// </summary>
    public enum TerraformAction : byte
    {
        /// <summary>Level the terrain</summary>
        Level = 0,
        /// <summary>Raise the terrain</summary>
        Raise = 1,
        /// <summary>Lower the terrain</summary>
        Lower = 2,
        /// <summary>Smooth the terrain</summary>
        Smooth = 3,
        /// <summary>Add random noise to the terrain</summary>
        Noise = 4,
        /// <summary>Revert terrain to simulator default</summary>
        Revert = 5
    }

    /// <summary>
    /// The tool size to use when changing terrain levels
    /// </summary>
    public enum TerraformBrushSize : byte
    {
        /// <summary>Small</summary>
        Small = 1,
        /// <summary>Medium</summary>
        Medium = 2,
        /// <summary>Large</summary>
        Large = 4
    }

    /// <summary>
    /// Reasons agent is denied access to a parcel on the simulator
    /// </summary>
    public enum AccessDeniedReason : byte
    {
        /// <summary>Agent is not denied, access is granted</summary>
        NotDenied = 0,
        /// <summary>Agent is not a member of the group set for the parcel, or which owns the parcel</summary>
        NotInGroup = 1,
        /// <summary>Agent is not on the parcels specific allow list</summary>
        NotOnAllowList = 2,
        /// <summary>Agent is on the parcels ban list</summary>
        BannedFromParcel = 3,
        /// <summary>Unknown</summary>
        NoAccess = 4,
        /// <summary>Agent is not age verified and parcel settings deny access to non age verified avatars</summary>
        NotAgeVerified = 5
    }

    /// <summary>
    /// Parcel overlay type. This is used primarily for highlighting and
    /// coloring which is why it is a single integer instead of a set of
    /// flags
    /// </summary>
    /// <remarks>These values seem to be poorly thought out. The first three
    /// bits represent a single value, not flags. For example Auction (0x05) is
    /// not a combination of OwnedByOther (0x01) and ForSale(0x04). However,
    /// the BorderWest and BorderSouth values are bit flags that get attached
    /// to the value stored in the first three bits. Bits four, five, and six
    /// are unused</remarks>
    [Flags]
    public enum ParcelOverlayType : byte
    {
        /// <summary>Public land</summary>
        Public = 0,
        /// <summary>Land is owned by another avatar</summary>
        OwnedByOther = 1,
        /// <summary>Land is owned by a group</summary>
        OwnedByGroup = 2,
        /// <summary>Land is owned by the current avatar</summary>
        OwnedBySelf = 3,
        /// <summary>Land is for sale</summary>
        ForSale = 4,
        /// <summary>Land is being auctioned</summary>
        Auction = 5,
        /// <summary>Land is private</summary>
        Private = 32,
        /// <summary>To the west of this area is a parcel border</summary>
        BorderWest = 64,
        /// <summary>To the south of this area is a parcel border</summary>
        BorderSouth = 128
    }

    /// <summary>
    /// Various parcel properties
    /// </summary>
    [Flags]
    public enum ParcelFlags : uint
    {
        /// <summary>No flags set</summary>
        None = 0,
        /// <summary>Allow avatars to fly (a client-side only restriction)</summary>
        AllowFly = 1 << 0,
        /// <summary>Allow foreign scripts to run</summary>
        AllowOtherScripts = 1 << 1,
        /// <summary>This parcel is for sale</summary>
        ForSale = 1 << 2,
        /// <summary>Allow avatars to create a landmark on this parcel</summary>
        AllowLandmark = 1 << 3,
        /// <summary>Allows all avatars to edit the terrain on this parcel</summary>
        AllowTerraform = 1 << 4,
        /// <summary>Avatars have health and can take damage on this parcel.
        /// If set, avatars can be killed and sent home here</summary>
        AllowDamage = 1 << 5,
        /// <summary>Foreign avatars can create objects here</summary>
        CreateObjects = 1 << 6,
        /// <summary>All objects on this parcel can be purchased</summary>
        ForSaleObjects = 1 << 7,
        /// <summary>Access is restricted to a group</summary>
        UseAccessGroup = 1 << 8,
        /// <summary>Access is restricted to a whitelist</summary>
        UseAccessList = 1 << 9,
        /// <summary>Ban blacklist is enabled</summary>
        UseBanList = 1 << 10,
        /// <summary>Unknown</summary>
        UsePassList = 1 << 11,
        /// <summary>List this parcel in the search directory</summary>
        ShowDirectory = 1 << 12,
        /// <summary>Allow personally owned parcels to be deeded to group</summary>
        AllowDeedToGroup = 1 << 13,
        /// <summary>If Deeded, owner contributes required tier to group parcel is deeded to</summary>
        ContributeWithDeed = 1 << 14,
        /// <summary>Restrict sounds originating on this parcel to the 
        /// parcel boundaries</summary>
        SoundLocal = 1 << 15,
        /// <summary>Objects on this parcel are sold when the land is 
        /// purchsaed</summary>
        SellParcelObjects = 1 << 16,
        /// <summary>Allow this parcel to be published on the web</summary>
        AllowPublish = 1 << 17,
        /// <summary>The information for this parcel is mature content</summary>
        MaturePublish = 1 << 18,
        /// <summary>The media URL is an HTML page</summary>
        UrlWebPage = 1 << 19,
        /// <summary>The media URL is a raw HTML string</summary>
        UrlRawHtml = 1 << 20,
        /// <summary>Restrict foreign object pushes</summary>
        RestrictPushObject = 1 << 21,
        /// <summary>Ban all non identified/transacted avatars</summary>
        DenyAnonymous = 1 << 22,
        // <summary>Ban all identified avatars [OBSOLETE]</summary>
        //[Obsolete]
        // This was obsoleted in 1.19.0 but appears to be recycled and is used on linden homes parcels
        LindenHome = 1 << 23,
        // <summary>Ban all transacted avatars [OBSOLETE]</summary>
        //[Obsolete]
        //DenyTransacted = 1 << 24,
        /// <summary>Allow group-owned scripts to run</summary>
        AllowGroupScripts = 1 << 25,
        /// <summary>Allow object creation by group members or group 
        /// objects</summary>
        CreateGroupObjects = 1 << 26,
        /// <summary>Allow all objects to enter this parcel</summary>
        AllowAPrimitiveEntry = 1 << 27,
        /// <summary>Only allow group and owner objects to enter this parcel</summary>
        AllowGroupObjectEntry = 1 << 28,
        /// <summary>Voice Enabled on this parcel</summary>
        AllowVoiceChat = 1 << 29,
        /// <summary>Use Estate Voice channel for Voice on this parcel</summary>
        UseEstateVoiceChan = 1 << 30,
        /// <summary>Deny Age Unverified Users</summary>
        DenyAgeUnverified = 1U << 31
    }

    /// <summary>
    /// Parcel ownership status
    /// </summary>
    public enum ParcelStatus : sbyte
    {
        /// <summary>Placeholder</summary>
        None = -1,
        /// <summary>Parcel is leased (owned) by an avatar or group</summary>
        Leased = 0,
        /// <summary>Parcel is in process of being leased (purchased) by an avatar or group</summary>
        LeasePending = 1,
        /// <summary>Parcel has been abandoned back to Governor Linden</summary>
        Abandoned = 2
    }

    /// <summary>
    /// Category parcel is listed in under search
    /// </summary>
    public enum ParcelCategory : sbyte
    {
        /// <summary>No assigned category</summary>
        None = 0,
        /// <summary>Linden Infohub or public area</summary>
        Linden,
        /// <summary>Adult themed area</summary>
        Adult,
        /// <summary>Arts and Culture</summary>
        Arts,
        /// <summary>Business</summary>
        Business,
        /// <summary>Educational</summary>
        Educational,
        /// <summary>Gaming</summary>
        Gaming,
        /// <summary>Hangout or Club</summary>
        Hangout,
        /// <summary>Newcomer friendly</summary>
        Newcomer,
        /// <summary>Parks and Nature</summary>
        Park,
        /// <summary>Residential</summary>
        Residential,
        /// <summary>Shopping</summary>
        Shopping,
        /// <summary>Not Used?</summary>
        Stage,
        /// <summary>Other</summary>
        Other,
        /// <summary>Not an actual category, only used for queries</summary>
        Any = -1
    }

    /// <summary>
    /// Type of teleport landing for a parcel
    /// </summary>
    public enum LandingType : byte
    {
        /// <summary>Unset, simulator default</summary>
        None = 0,
        /// <summary>Specific landing point set for this parcel</summary>
        LandingPoint = 1,
        /// <summary>No landing point set, direct teleports enabled for
        /// this parcel</summary>
        Direct = 2
    }

    /// <summary>
    /// Parcel Media Command used in ParcelMediaCommandMessage
    /// </summary>
    public enum ParcelMediaCommand : uint
    {
        /// <summary>Stop the media stream and go back to the first frame</summary>
        Stop = 0,
        /// <summary>Pause the media stream (stop playing but stay on current frame)</summary>
        Pause,
        /// <summary>Start the current media stream playing and stop when the end is reached</summary>
        Play,
        /// <summary>Start the current media stream playing, 
        /// loop to the beginning when the end is reached and continue to play</summary>
        Loop,
        /// <summary>Specifies the texture to replace with video</summary>
        /// <remarks>If passing the key of a texture, it must be explicitly typecast as a key, 
        /// not just passed within double quotes.</remarks>
        Texture,
        /// <summary>Specifies the movie URL (254 characters max)</summary>
        URL,
        /// <summary>Specifies the time index at which to begin playing</summary>
        Time,
        /// <summary>Specifies a single agent to apply the media command to</summary>
        Agent,
        /// <summary>Unloads the stream. While the stop command sets the texture to the first frame of the movie, 
        /// unload resets it to the real texture that the movie was replacing.</summary>
        Unload,
        /// <summary>Turn on/off the auto align feature, similar to the auto align checkbox in the parcel media properties 
        /// (NOT to be confused with the "align" function in the textures view of the editor!) Takes TRUE or FALSE as parameter.</summary>
        AutoAlign,
        /// <summary>Allows a Web page or image to be placed on a prim (1.19.1 RC0 and later only). 
        /// Use "text/html" for HTML.</summary>
        Type,
        /// <summary>Resizes a Web page to fit on x, y pixels (1.19.1 RC0 and later only).</summary>
        /// <remarks>This might still not be working</remarks>
        Size,
        /// <summary>Sets a description for the media being displayed (1.19.1 RC0 and later only).</summary>
        Desc
    }

    #endregion Enums

    #region Structs

    /// <summary>
    /// Some information about a parcel of land returned from a DirectoryManager search
    /// </summary>
    public struct ParcelInfo
    {
        /// <summary>Global Key of record</summary>
        public UUID ID;
        /// <summary>Parcel Owners <seealso cref="UUID"/></summary>
        public UUID OwnerID;
        /// <summary>Name field of parcel, limited to 128 characters</summary>
        public string Name;
        /// <summary>Description field of parcel, limited to 256 characters</summary>
        public string Description;
        /// <summary>Total Square meters of parcel</summary>
        public int ActualArea;
        /// <summary>Total area billable as Tier, for group owned land this will be 10% less than ActualArea</summary>
        public int BillableArea;
        /// <summary>True of parcel is in Mature simulator</summary>
        public bool Mature;
        /// <summary>Grid global X position of parcel</summary>
        public float GlobalX;
        /// <summary>Grid global Y position of parcel</summary>
        public float GlobalY;
        /// <summary>Grid global Z position of parcel (not used)</summary>
        public float GlobalZ;
        /// <summary>Name of simulator parcel is located in</summary>
        public string SimName;
        /// <summary>Texture <seealso cref="T:OpenMetaverse.UUID"/> of parcels display picture</summary>
        public UUID SnapshotID;
        /// <summary>Float representing calculated traffic based on time spent on parcel by avatars</summary>
        public float Dwell;
        /// <summary>Sale price of parcel (not used)</summary>
        public int SalePrice;
        /// <summary>Auction ID of parcel</summary>
        public int AuctionID;
    }

    /// <summary>
    /// Parcel Media Information
    /// </summary>
    public struct ParcelMedia
    {
        /// <summary>A byte, if 0x1 viewer should auto scale media to fit object</summary>
        public bool MediaAutoScale;
        /// <summary>A boolean, if true the viewer should loop the media</summary>
        public bool MediaLoop;
        /// <summary>The Asset UUID of the Texture which when applied to a 
        /// primitive will display the media</summary>
        public UUID MediaID;
        /// <summary>A URL which points to any Quicktime supported media type</summary>
        public string MediaURL;
        /// <summary>A description of the media</summary>
        public string MediaDesc;
        /// <summary>An Integer which represents the height of the media</summary>
        public int MediaHeight;
        /// <summary>An integer which represents the width of the media</summary>
        public int MediaWidth;
        /// <summary>A string which contains the mime type of the media</summary>
        public string MediaType;
    }

    #endregion Structs

    #region Parcel Class

    /// <summary>
    /// Parcel of land, a portion of virtual real estate in a simulator
    /// </summary>
    public class Parcel
    {
        /// <summary>The total number of contiguous 4x4 meter blocks your agent owns within this parcel</summary>        
        public int SelfCount;
        /// <summary>The total number of contiguous 4x4 meter blocks contained in this parcel owned by a group or agent other than your own</summary>
        public int OtherCount;
        /// <summary>Deprecated, Value appears to always be 0</summary>
        public int PublicCount;
        /// <summary>Simulator-local ID of this parcel</summary>
        public int LocalID;
        /// <summary>UUID of the owner of this parcel</summary>
        public UUID OwnerID;
        /// <summary>Whether the land is deeded to a group or not</summary>
        public bool IsGroupOwned;
        /// <summary></summary>
        public uint AuctionID;
        /// <summary>Date land was claimed</summary>
        public DateTime ClaimDate;
        /// <summary>Appears to always be zero</summary>
        public int ClaimPrice;
        /// <summary>This field is no longer used</summary>
        public int RentPrice;
        /// <summary>Minimum corner of the axis-aligned bounding box for this
        /// parcel</summary>
        public Vector3 AABBMin;
        /// <summary>Maximum corner of the axis-aligned bounding box for this
        /// parcel</summary>
        public Vector3 AABBMax;
        /// <summary>Bitmap describing land layout in 4x4m squares across the 
        /// entire region</summary>
        public byte[] Bitmap;
        /// <summary>Total parcel land area</summary>
        public int Area;
        /// <summary></summary>
        public ParcelStatus Status;
        /// <summary>Maximum primitives across the entire simulator owned by the same agent or group that owns this parcel that can be used</summary>
        public int SimWideMaxPrims;
        /// <summary>Total primitives across the entire simulator calculated by combining the allowed prim counts for each parcel
        /// owned by the agent or group that owns this parcel</summary>
        public int SimWideTotalPrims;
        /// <summary>Maximum number of primitives this parcel supports</summary>
        public int MaxPrims;
        /// <summary>Total number of primitives on this parcel</summary>
        public int TotalPrims;
        /// <summary>For group-owned parcels this indicates the total number of prims deeded to the group,
        /// for parcels owned by an individual this inicates the number of prims owned by the individual</summary>
        public int OwnerPrims;
        /// <summary>Total number of primitives owned by the parcel group on 
        /// this parcel, or for parcels owned by an individual with a group set the
        /// total number of prims set to that group.</summary>
        public int GroupPrims;
        /// <summary>Total number of prims owned by other avatars that are not set to group, or not the parcel owner</summary>
        public int OtherPrims;
        /// <summary>A bonus multiplier which allows parcel prim counts to go over times this amount, this does not affect
        /// the max prims per simulator. e.g: 117 prim parcel limit x 1.5 bonus = 175 allowed</summary>
        public float ParcelPrimBonus;
        /// <summary>Autoreturn value in minutes for others' objects</summary>
        public int OtherCleanTime;
        /// <summary></summary>
        public ParcelFlags Flags;
        /// <summary>Sale price of the parcel, only useful if ForSale is set</summary>
        /// <remarks>The SalePrice will remain the same after an ownership
        /// transfer (sale), so it can be used to see the purchase price after
        /// a sale if the new owner has not changed it</remarks>
        public int SalePrice;
        /// <summary>Parcel Name</summary>
        public string Name;
        /// <summary>Parcel Description</summary>
        public string Desc;
        /// <summary>URL For Music Stream</summary>
        public string MusicURL;
        /// <summary></summary>
        public UUID GroupID;
        /// <summary>Price for a temporary pass</summary>
        public int PassPrice;
        /// <summary>How long is pass valid for</summary>
        public float PassHours;
        /// <summary></summary>
        public ParcelCategory Category;
        /// <summary>Key of authorized buyer</summary>
        public UUID AuthBuyerID;
        /// <summary>Key of parcel snapshot</summary>
        public UUID SnapshotID;
        /// <summary>The landing point location</summary>
        public Vector3 UserLocation;
        /// <summary>The landing point LookAt</summary>
        public Vector3 UserLookAt;
        /// <summary>The type of landing enforced from the <see cref="LandingType"/> enum</summary>
        public LandingType Landing;
        /// <summary>Traffic count</summary>
        public float Dwell;
        /// <summary></summary>
        public bool RegionDenyAnonymous;
        /// <summary></summary>
        public bool RegionPushOverride;
        /// <summary>Access list of who is whitelisted on this
        /// parcel</summary>
        public List<ParcelManager.ParcelAccessEntry> AccessWhiteList;
        /// <summary>Access list of who is blacklisted on this
        /// parcel</summary>
        public List<ParcelManager.ParcelAccessEntry> AccessBlackList;
        /// <summary>TRUE of region denies access to age unverified users</summary>
        public bool RegionDenyAgeUnverified;
        /// <summary>true to obscure (hide) media url</summary>
        public bool ObscureMedia;
        /// <summary>true to obscure (hide) music url</summary>
        public bool ObscureMusic;
        /// <summary>A struct containing media details</summary>
        public ParcelMedia Media;
        /// <summary>Parcel privacy see avatars outside/inside parcel</summary>
        public bool SeeAVs;
        /// <summary>Parcel privacy play sounds attached to avatars outside/inside parcel</summary>
        public bool AnyAVSounds;
        /// <summary>Parcel privacy play sounds for group members</summary>
        public bool GroupAVSounds;

        /// <summary>
        /// Displays a parcel object in string format
        /// </summary>
        /// <returns>string containing key=value pairs of a parcel object</returns>
        public override string ToString()
        {
            Type parcelType = this.GetType();
            FieldInfo[] fields = parcelType.GetFields();
            return fields.Aggregate("", (current, field) => current + (field.Name + " = " + field.GetValue(this) + " "));
        }
        /// <summary>
        /// Default constructor
        /// </summary>
        /// <param name="localID">Local ID of this parcel</param>
        public Parcel(int localID)
        {
            LocalID = localID;
            ClaimDate = Utils.Epoch;
            Bitmap = Utils.EmptyBytes;
            Name = string.Empty;
            Desc = string.Empty;
            MusicURL = string.Empty;
            AccessWhiteList = new List<ParcelManager.ParcelAccessEntry>(0);
            AccessBlackList = new List<ParcelManager.ParcelAccessEntry>(0);
            Media = new ParcelMedia();
        }

        /// <summary>
        /// Update the simulator with any local changes to this Parcel object
        /// </summary>
        /// <param name="client">Client message originates from</param>
        /// <param name="simulator">Simulator to send updates to</param>
        /// <param name="wantReply">Whether we want the simulator to confirm
        /// the update with a reply packet or not</param>
        public void Update(GridClient client, Simulator simulator, bool wantReply)
        {
            Uri cap = simulator.Caps.CapabilityURI("ParcelPropertiesUpdate");
            if (cap != null)
            {
                ParcelPropertiesUpdateMessage payload = new ParcelPropertiesUpdateMessage
                {
                    AuthBuyerID = AuthBuyerID,
                    Category = Category,
                    Desc = Desc,
                    GroupID = GroupID,
                    Landing = Landing,
                    LocalID = LocalID,
                    MediaAutoScale = Media.MediaAutoScale,
                    MediaDesc = Media.MediaDesc,
                    MediaHeight = Media.MediaHeight,
                    MediaID = Media.MediaID,
                    MediaLoop = Media.MediaLoop,
                    MediaType = Media.MediaType,
                    MediaURL = Media.MediaURL,
                    MediaWidth = Media.MediaWidth,
                    MusicURL = MusicURL,
                    Name = Name,
                    ObscureMedia = ObscureMedia,
                    ObscureMusic = ObscureMusic,
                    ParcelFlags = Flags,
                    PassHours = PassHours,
                    PassPrice = (uint) PassPrice,
                    SalePrice = (uint) SalePrice,
                    SnapshotID = SnapshotID,
                    UserLocation = UserLocation,
                    UserLookAt = UserLookAt,
                    SeeAVs = SeeAVs,
                    AnyAVSounds = AnyAVSounds,
                    GroupAVSounds = GroupAVSounds
                };

                Task req = client.HttpCapsClient.PostRequestAsync(cap, OSDFormat.Xml, payload.Serialize(),
                    CancellationToken.None, null);
            }
            else // lludp fallback
            {
                ParcelPropertiesUpdatePacket updatePacket = new ParcelPropertiesUpdatePacket
                {
                    AgentData =
                    {
                        AgentID = simulator.Client.Self.AgentID,
                        SessionID = simulator.Client.Self.SessionID
                    },
                    ParcelData =
                    {
                        LocalID = LocalID,
                        AuthBuyerID = AuthBuyerID,
                        Category = (byte) Category,
                        Desc = Utils.StringToBytes(Desc),
                        GroupID = GroupID,
                        LandingType = (byte) Landing,
                        MediaAutoScale = (Media.MediaAutoScale) ? (byte) 0x1 : (byte) 0x0,
                        MediaID = Media.MediaID,
                        MediaURL = Utils.StringToBytes(Media.MediaURL),
                        MusicURL = Utils.StringToBytes(MusicURL),
                        Name = Utils.StringToBytes(Name)
                    }
                };

                if (wantReply)
                {
                    updatePacket.ParcelData.Flags = 1;
                }
                updatePacket.ParcelData.ParcelFlags = (uint)Flags;
                updatePacket.ParcelData.PassHours = PassHours;
                updatePacket.ParcelData.PassPrice = PassPrice;
                updatePacket.ParcelData.SalePrice = SalePrice;
                updatePacket.ParcelData.SnapshotID = SnapshotID;
                updatePacket.ParcelData.UserLocation = UserLocation;
                updatePacket.ParcelData.UserLookAt = UserLookAt;

                simulator.SendPacket(updatePacket);
            }

            UpdateOtherCleanTime(simulator);
            
        }

        /// <summary>
        /// Set Autoreturn time
        /// </summary>
        /// <param name="simulator">Simulator to send the update to</param>
        public void UpdateOtherCleanTime(Simulator simulator)
        {
            ParcelSetOtherCleanTimePacket request = new ParcelSetOtherCleanTimePacket
            {
                AgentData =
                {
                    AgentID = simulator.Client.Self.AgentID,
                    SessionID = simulator.Client.Self.SessionID
                },
                ParcelData =
                {
                    LocalID = LocalID,
                    OtherCleanTime = OtherCleanTime
                }
            };

            simulator.SendPacket(request);
        }
    }

    #endregion Parcel Class

    /// <summary>
    /// Parcel (subdivided simulator lots) subsystem
    /// </summary>
    public class ParcelManager
    {
        #region Structs

        /// <summary>
        /// Parcel Accesslist
        /// </summary>
        public struct ParcelAccessEntry
        {
            /// <summary>Agents <seealso cref="T:OpenMetaverse.UUID"/></summary>
            public UUID AgentID;
            /// <summary></summary>
            public DateTime Time;
            /// <summary>Flags for specific entry in white/black lists</summary>
            public AccessList Flags;
        }

        /// <summary>
        /// Owners of primitives on parcel
        /// </summary>
        public struct ParcelPrimOwners
        {
            /// <summary>Prim Owners <seealso cref="T:OpenMetaverse.UUID"/></summary>
            public UUID OwnerID;
            /// <summary>True of owner is group</summary>
            public bool IsGroupOwned;
            /// <summary>Total count of prims owned by OwnerID</summary>
            public int Count;
            /// <summary>true of OwnerID is currently online and is not a group</summary>
            public bool OnlineStatus;
            /// <summary>The date of the most recent prim left by OwnerID</summary>
            public DateTime NewestPrim;
        }

        #endregion Structs

        #region Delegates
        /// <summary>
        /// Called once parcel resource usage information has been collected
        /// </summary>
        /// <param name="success">Indicates if operation was successfull</param>
        /// <param name="info">Parcel resource usage information</param>
        public delegate void LandResourcesCallback(bool success, LandResourcesInfo info);

        /// <summary>The event subscribers. null if no subcribers</summary>
        private EventHandler<ParcelDwellReplyEventArgs> m_DwellReply;

        /// <summary>Raises the ParcelDwellReply event</summary>
        /// <param name="e">A ParcelDwellReplyEventArgs object containing the
        /// data returned from the simulator</param>
        protected virtual void OnParcelDwellReply(ParcelDwellReplyEventArgs e)
        {
            EventHandler<ParcelDwellReplyEventArgs> handler = m_DwellReply;
            handler?.Invoke(this, e);
        }

        /// <summary>Thread sync lock object</summary>
        private readonly object m_DwellReplyLock = new object();
        
        /// <summary>Raised when the simulator responds to a <see cref="RequestDwell"/> request</summary>
        public event EventHandler<ParcelDwellReplyEventArgs> ParcelDwellReply
        {
            add { lock (m_DwellReplyLock) { m_DwellReply += value; } }
            remove { lock (m_DwellReplyLock) { m_DwellReply -= value; } }
        }

        /// <summary>The event subscribers. null if no subcribers</summary>
        private EventHandler<ParcelInfoReplyEventArgs> m_ParcelInfo;

        /// <summary>Raises the ParcelInfoReply event</summary>
        /// <param name="e">A ParcelInfoReplyEventArgs object containing the
        /// data returned from the simulator</param>
        protected virtual void OnParcelInfoReply(ParcelInfoReplyEventArgs e)
        {
            EventHandler<ParcelInfoReplyEventArgs> handler = m_ParcelInfo;
            handler?.Invoke(this, e);
        }

        /// <summary>Thread sync lock object</summary>
        private readonly object m_ParcelInfoLock = new object();

        /// <summary>Raised when the simulator responds to a <see cref="RequestParcelInfo"/> request</summary>
        public event EventHandler<ParcelInfoReplyEventArgs> ParcelInfoReply
        {
            add { lock (m_ParcelInfoLock) { m_ParcelInfo += value; } }
            remove { lock (m_ParcelInfoLock) { m_ParcelInfo -= value; } }
        }

        /// <summary>The event subscribers. null if no subcribers</summary>
        private EventHandler<ParcelPropertiesEventArgs> m_ParcelProperties;

        /// <summary>Raises the ParcelProperties event</summary>
        /// <param name="e">A ParcelPropertiesEventArgs object containing the
        /// data returned from the simulator</param>
        protected virtual void OnParcelProperties(ParcelPropertiesEventArgs e)
        {
            EventHandler<ParcelPropertiesEventArgs> handler = m_ParcelProperties;
            handler?.Invoke(this, e);
        }

        /// <summary>Thread sync lock object</summary>
        private readonly object m_ParcelPropertiesLock = new object();

        /// <summary>Raised when the simulator responds to a <see cref="RequestParcelProperties"/> request</summary>
        public event EventHandler<ParcelPropertiesEventArgs> ParcelProperties
        {
            add { lock (m_ParcelPropertiesLock) { m_ParcelProperties += value; } }
            remove { lock (m_ParcelPropertiesLock) { m_ParcelProperties -= value; } }
        }

        /// <summary>The event subscribers. null if no subcribers</summary>
        private EventHandler<ParcelAccessListReplyEventArgs> m_ParcelACL;

        /// <summary>Raises the ParcelAccessListReply event</summary>
        /// <param name="e">A ParcelAccessListReplyEventArgs object containing the
        /// data returned from the simulator</param>
        protected virtual void OnParcelAccessListReply(ParcelAccessListReplyEventArgs e)
        {
            EventHandler<ParcelAccessListReplyEventArgs> handler = m_ParcelACL;
            handler?.Invoke(this, e);
        }

        /// <summary>Thread sync lock object</summary>
        private readonly object m_ParcelACLLock = new object();

        /// <summary>Raised when the simulator responds to a <see cref="RequestParcelAccessList"/> request</summary>
        public event EventHandler<ParcelAccessListReplyEventArgs> ParcelAccessListReply
        {
            add { lock (m_ParcelACLLock) { m_ParcelACL += value; } }
            remove { lock (m_ParcelACLLock) { m_ParcelACL -= value; } }
        }

        /// <summary>The event subscribers. null if no subcribers</summary>
        private EventHandler<ParcelObjectOwnersReplyEventArgs> m_ParcelObjectOwnersReply;

        /// <summary>Raises the ParcelObjectOwnersReply event</summary>
        /// <param name="e">A ParcelObjectOwnersReplyEventArgs object containing the
        /// data returned from the simulator</param>
        protected virtual void OnParcelObjectOwnersReply(ParcelObjectOwnersReplyEventArgs e)
        {
            EventHandler<ParcelObjectOwnersReplyEventArgs> handler = m_ParcelObjectOwnersReply;
            handler?.Invoke(this, e);
        }

        /// <summary>Thread sync lock object</summary>
        private readonly object m_ParcelObjectOwnersLock = new object();

        /// <summary>Raised when the simulator responds to a <see cref="RequestObjectOwners"/> request</summary>
        public event EventHandler<ParcelObjectOwnersReplyEventArgs> ParcelObjectOwnersReply
        {
            add { lock (m_ParcelObjectOwnersLock) { m_ParcelObjectOwnersReply += value; } }
            remove { lock (m_ParcelObjectOwnersLock) { m_ParcelObjectOwnersReply -= value; } }
        }

        /// <summary>The event subscribers. null if no subcribers</summary>
        private EventHandler<SimParcelsDownloadedEventArgs> m_SimParcelsDownloaded;

        /// <summary>Raises the SimParcelsDownloaded event</summary>
        /// <param name="e">A SimParcelsDownloadedEventArgs object containing the
        /// data returned from the simulator</param>
        protected virtual void OnSimParcelsDownloaded(SimParcelsDownloadedEventArgs e)
        {
            EventHandler<SimParcelsDownloadedEventArgs> handler = m_SimParcelsDownloaded;
            handler?.Invoke(this, e);
        }

        /// <summary>Thread sync lock object</summary>
        private readonly object m_SimParcelsDownloadedLock = new object();

        /// <summary>Raised when the simulator responds to a <see cref="RequestAllSimParcels"/> request</summary>
        public event EventHandler<SimParcelsDownloadedEventArgs> SimParcelsDownloaded
        {
            add { lock (m_SimParcelsDownloadedLock) { m_SimParcelsDownloaded += value; } }
            remove { lock (m_SimParcelsDownloadedLock) { m_SimParcelsDownloaded -= value; } }
        }

        /// <summary>The event subscribers. null if no subcribers</summary>
        private EventHandler<ForceSelectObjectsReplyEventArgs> m_ForceSelectObjects;

        /// <summary>Raises the ForceSelectObjectsReply event</summary>
        /// <param name="e">A ForceSelectObjectsReplyEventArgs object containing the
        /// data returned from the simulator</param>
        protected virtual void OnForceSelectObjectsReply(ForceSelectObjectsReplyEventArgs e)
        {
            EventHandler<ForceSelectObjectsReplyEventArgs> handler = m_ForceSelectObjects;
            handler?.Invoke(this, e);
        }

        /// <summary>Thread sync lock object</summary>
        private readonly object m_ForceSelectObjectsLock = new object();

        /// <summary>Raised when the simulator responds to a <see cref="RequestForceSelectObjects"/> request</summary>
        public event EventHandler<ForceSelectObjectsReplyEventArgs> ForceSelectObjectsReply
        {
            add { lock (m_ForceSelectObjectsLock) { m_ForceSelectObjects += value; } }
            remove { lock (m_ForceSelectObjectsLock) { m_ForceSelectObjects -= value; } }
        }

        /// <summary>The event subscribers. null if no subcribers</summary>
        private EventHandler<ParcelMediaUpdateReplyEventArgs> m_ParcelMediaUpdateReply;

        /// <summary>Raises the ParcelMediaUpdateReply event</summary>
        /// <param name="e">A ParcelMediaUpdateReplyEventArgs object containing the
        /// data returned from the simulator</param>
        protected virtual void OnParcelMediaUpdateReply(ParcelMediaUpdateReplyEventArgs e)
        {
            EventHandler<ParcelMediaUpdateReplyEventArgs> handler = m_ParcelMediaUpdateReply;
            handler?.Invoke(this, e);
        }

        /// <summary>Thread sync lock object</summary>
        private readonly object m_ParcelMediaUpdateReplyLock = new object();

        /// <summary>Raised when the simulator responds to a Parcel Update request</summary>
        public event EventHandler<ParcelMediaUpdateReplyEventArgs> ParcelMediaUpdateReply
        {
            add { lock (m_ParcelMediaUpdateReplyLock) { m_ParcelMediaUpdateReply += value; } }
            remove { lock (m_ParcelMediaUpdateReplyLock) { m_ParcelMediaUpdateReply -= value; } }
        }

        /// <summary>The event subscribers. null if no subcribers</summary>
        private EventHandler<ParcelMediaCommandEventArgs> m_ParcelMediaCommand;

        /// <summary>Raises the ParcelMediaCommand event</summary>
        /// <param name="e">A ParcelMediaCommandEventArgs object containing the
        /// data returned from the simulator</param>
        protected virtual void OnParcelMediaCommand(ParcelMediaCommandEventArgs e)
        {
            EventHandler<ParcelMediaCommandEventArgs> handler = m_ParcelMediaCommand;
            handler?.Invoke(this, e);
        }

        /// <summary>Thread sync lock object</summary>
        private readonly object m_ParcelMediaCommandLock = new object();

        /// <summary>Raised when the parcel your agent is located sends a ParcelMediaCommand</summary>
        public event EventHandler<ParcelMediaCommandEventArgs> ParcelMediaCommand
        {
            add { lock (m_ParcelMediaCommandLock) { m_ParcelMediaCommand += value; } }
            remove { lock (m_ParcelMediaCommandLock) { m_ParcelMediaCommand -= value; } }
        }
        #endregion Delegates

        private GridClient Client;
        private AutoResetEvent WaitForSimParcel;

        #region Public Methods

        /// <summary>
        /// Default constructor
        /// </summary>
        /// <param name="client">A reference to the GridClient object</param>
        public ParcelManager(GridClient client)
        {
            Client = client;
            
            // Setup the callbacks
            Client.Network.RegisterCallback(PacketType.ParcelInfoReply, ParcelInfoReplyHandler);
            Client.Network.RegisterEventCallback("ParcelObjectOwnersReply", ParcelObjectOwnersReplyHandler);
            // CAPS packet handler, to allow for Media Data not contained in the message template
            Client.Network.RegisterEventCallback("ParcelProperties", ParcelPropertiesReplyHandler);
            Client.Network.RegisterCallback(PacketType.ParcelDwellReply, ParcelDwellReplyHandler);
            Client.Network.RegisterCallback(PacketType.ParcelAccessListReply, ParcelAccessListReplyHandler);
            Client.Network.RegisterCallback(PacketType.ForceObjectSelect, SelectParcelObjectsReplyHandler);
            Client.Network.RegisterCallback(PacketType.ParcelMediaUpdate, ParcelMediaUpdateHandler);
            Client.Network.RegisterCallback(PacketType.ParcelOverlay, ParcelOverlayHandler);
            Client.Network.RegisterCallback(PacketType.ParcelMediaCommandMessage, ParcelMediaCommandMessagePacketHandler);
        }

        /// <summary>
        /// Request basic information for a single parcel
        /// </summary>
        /// <param name="parcelID">Simulator-local ID of the parcel</param>
        public void RequestParcelInfo(UUID parcelID)
        {
            ParcelInfoRequestPacket request = new ParcelInfoRequestPacket
            {
                AgentData =
                {
                    AgentID = Client.Self.AgentID,
                    SessionID = Client.Self.SessionID
                },
                Data = {ParcelID = parcelID}
            };

            Client.Network.SendPacket(request);
        }

        /// <summary>
        /// Request properties of a single parcel
        /// </summary>
        /// <param name="simulator">Simulator containing the parcel</param>
        /// <param name="localID">Simulator-local ID of the parcel</param>
        /// <param name="sequenceID">An arbitrary integer that will be returned
        /// with the ParcelProperties reply, useful for distinguishing between
        /// multiple simultaneous requests</param>
        public void RequestParcelProperties(Simulator simulator, int localID, int sequenceID)
        {
            ParcelPropertiesRequestByIDPacket request = new ParcelPropertiesRequestByIDPacket
            {
                AgentData =
                {
                    AgentID = Client.Self.AgentID,
                    SessionID = Client.Self.SessionID
                },
                ParcelData =
                {
                    LocalID = localID,
                    SequenceID = sequenceID
                }
            };

            Client.Network.SendPacket(request, simulator);
        }

        /// <summary>
        /// Request the access list for a single parcel
        /// </summary>
        /// <param name="simulator">Simulator containing the parcel</param>
        /// <param name="localID">Simulator-local ID of the parcel</param>
        /// <param name="sequenceID">An arbitrary integer that will be returned
        /// with the ParcelAccessList reply, useful for distinguishing between
        /// multiple simultaneous requests</param>
        /// <param name="flags"></param>
        public void RequestParcelAccessList(Simulator simulator, int localID, AccessList flags, int sequenceID)
        {
            ParcelAccessListRequestPacket request = new ParcelAccessListRequestPacket
            {
                AgentData =
                {
                    AgentID = Client.Self.AgentID,
                    SessionID = Client.Self.SessionID
                },
                Data =
                {
                    LocalID = localID,
                    Flags = (uint) flags,
                    SequenceID = sequenceID
                }
            };

            Client.Network.SendPacket(request, simulator);
        }

        /// <summary>
        /// Request properties of parcels using a bounding box selection
        /// </summary>
        /// <param name="simulator">Simulator containing the parcel</param>
        /// <param name="north">Northern boundary of the parcel selection</param>
        /// <param name="east">Eastern boundary of the parcel selection</param>
        /// <param name="south">Southern boundary of the parcel selection</param>
        /// <param name="west">Western boundary of the parcel selection</param>
        /// <param name="sequenceID">An arbitrary integer that will be returned
        /// with the ParcelProperties reply, useful for distinguishing between
        /// different types of parcel property requests</param>
        /// <param name="snapSelection">A boolean that is returned with the
        /// ParcelProperties reply, useful for snapping focus to a single
        /// parcel</param>
        public void RequestParcelProperties(Simulator simulator, float north, float east, float south, float west,
            int sequenceID, bool snapSelection)
        {
            ParcelPropertiesRequestPacket request = new ParcelPropertiesRequestPacket
            {
                AgentData =
                {
                    AgentID = Client.Self.AgentID,
                    SessionID = Client.Self.SessionID
                },
                ParcelData =
                {
                    North = north,
                    East = east,
                    South = south,
                    West = west,
                    SequenceID = sequenceID,
                    SnapSelection = snapSelection
                }
            };

            Client.Network.SendPacket(request, simulator);
        }

        /// <summary>
        /// Request all simulator parcel properties (used for populating the <code>Simulator.Parcels</code> 
        /// dictionary)
        /// </summary>
        /// <param name="simulator">Simulator to request parcels from (must be connected)</param>
        public void RequestAllSimParcels(Simulator simulator)
        {
            RequestAllSimParcels(simulator, false, 750);
        }

        /// <summary>
        /// Request all simulator parcel properties (used for populating the <code>Simulator.Parcels</code> 
        /// dictionary)
        /// </summary>
        /// <param name="simulator">Simulator to request parcels from (must be connected)</param>
        /// <param name="refresh">If TRUE, will force a full refresh</param>
        /// <param name="msDelay">Number of milliseconds to pause in between each request</param>
        public void RequestAllSimParcels(Simulator simulator, bool refresh, int msDelay)
        {
            if (simulator.DownloadingParcelMap)
            {
                Logger.Log("Already downloading parcels in " + simulator.Name, Helpers.LogLevel.Info, Client);
                return;
            }
            else
            {
                simulator.DownloadingParcelMap = true;
                WaitForSimParcel = new AutoResetEvent(false);
            }

            if (refresh)
            {
                for (int y = 0; y < 64; y++)
                {
                    for (int x = 0; x < 64; x++)
                            simulator.ParcelMap[y, x] = 0;
                }
            }

            ThreadPool.QueueUserWorkItem((_) =>
            {
                int count = 0, timeouts = 0, y, x;

                for (y = 0; y < 64; y++)
                {
                    for (x = 0; x < 64; x++)
                    {
                        if (!Client.Network.Connected)
                            return;

                        if (simulator.ParcelMap[y, x] == 0)
                        {
                            Client.Parcels.RequestParcelProperties(simulator,
                                                             (y + 1) * 4.0f, (x + 1) * 4.0f,
                                                             y * 4.0f, x * 4.0f, int.MaxValue, false);

                            // Wait the given amount of time for a reply before sending the next request
                            if (!WaitForSimParcel.WaitOne(msDelay, false))
                                ++timeouts;

                            ++count;
                        }
                    }
                }

                Logger.Log(String.Format(
                    "Full simulator parcel information retrieved. Sent {0} parcel requests. Current outgoing queue: {1}, Retry Count {2}",
                    count, Client.Network.OutboxCount, timeouts), Helpers.LogLevel.Info, Client);

                simulator.DownloadingParcelMap = false;
            });
        }

        /// <summary>
        /// Request the dwell value for a parcel
        /// </summary>
        /// <param name="simulator">Simulator containing the parcel</param>
        /// <param name="localID">Simulator-local ID of the parcel</param>
        public void RequestDwell(Simulator simulator, int localID)
        {
            ParcelDwellRequestPacket request = new ParcelDwellRequestPacket
            {
                AgentData =
                {
                    AgentID = Client.Self.AgentID,
                    SessionID = Client.Self.SessionID
                },
                Data =
                {
                    LocalID = localID,
                    ParcelID = UUID.Zero
                }
            };
            // Not used by clients

            Client.Network.SendPacket(request, simulator);
        }

        /// <summary>
        /// Send a request to Purchase a parcel of land
        /// </summary>
        /// <param name="simulator">The Simulator the parcel is located in</param>
        /// <param name="localID">The parcels region specific local ID</param>
        /// <param name="forGroup">true if this parcel is being purchased by a group</param>
        /// <param name="groupID">The groups <seealso cref="T:OpenMetaverse.UUID"/></param>
        /// <param name="removeContribution">true to remove tier contribution if purchase is successful</param>
        /// <param name="parcelArea">The parcels size</param>
        /// <param name="parcelPrice">The purchase price of the parcel</param>
        /// <returns></returns>
        public void Buy(Simulator simulator, int localID, bool forGroup, UUID groupID,
            bool removeContribution, int parcelArea, int parcelPrice)
        {
            ParcelBuyPacket request = new ParcelBuyPacket
            {
                AgentData =
                {
                    AgentID = Client.Self.AgentID,
                    SessionID = Client.Self.SessionID
                },
                Data =
                {
                    Final = true,
                    GroupID = groupID,
                    LocalID = localID,
                    IsGroupOwned = forGroup,
                    RemoveContribution = removeContribution
                },
                ParcelData =
                {
                    Area = parcelArea,
                    Price = parcelPrice
                }
            };




            Client.Network.SendPacket(request, simulator);
        }

        /// <summary>
        /// Reclaim a parcel of land
        /// </summary>
        /// <param name="simulator">The simulator the parcel is in</param>
        /// <param name="localID">The parcels region specific local ID</param>
        public void Reclaim(Simulator simulator, int localID)
        {
            ParcelReclaimPacket request = new ParcelReclaimPacket
            {
                AgentData =
                {
                    AgentID = Client.Self.AgentID,
                    SessionID = Client.Self.SessionID
                },
                Data = {LocalID = localID}
            };


            Client.Network.SendPacket(request, simulator);
        }

        /// <summary>
        /// Deed a parcel to a group
        /// </summary>
        /// <param name="simulator">The simulator the parcel is in</param>
        /// <param name="localID">The parcels region specific local ID</param>
        /// <param name="groupID">The groups <seealso cref="T:OpenMetaverse.UUID"/></param>
        public void DeedToGroup(Simulator simulator, int localID, UUID groupID)
        {
            ParcelDeedToGroupPacket request = new ParcelDeedToGroupPacket
            {
                AgentData =
                {
                    AgentID = Client.Self.AgentID,
                    SessionID = Client.Self.SessionID
                },
                Data =
                {
                    LocalID = localID,
                    GroupID = groupID
                }
            };


            Client.Network.SendPacket(request, simulator);
        }

        /// <summary>
        /// Request prim owners of a parcel of land.
        /// </summary>
        /// <param name="simulator">Simulator parcel is in</param>
        /// <param name="localID">The parcels region specific local ID</param>
        public void RequestObjectOwners(Simulator simulator, int localID)
        {
            ParcelObjectOwnersRequestPacket request = new ParcelObjectOwnersRequestPacket
            {
                AgentData =
                {
                    AgentID = Client.Self.AgentID,
                    SessionID = Client.Self.SessionID
                },
                ParcelData = {LocalID = localID}
            };


            Client.Network.SendPacket(request, simulator);
        }

        /// <summary>
        /// Return objects from a parcel
        /// </summary>
        /// <param name="simulator">Simulator parcel is in</param>
        /// <param name="localID">The parcels region specific local ID</param>
        /// <param name="type">the type of objects to return, <seealso cref="T:OpenMetaverse.ObjectReturnType"/></param>
        /// <param name="ownerIDs">A list containing object owners <seealso cref="OpenMetaverse.UUID"/>s to return</param>
        public void ReturnObjects(Simulator simulator, int localID, ObjectReturnType type, List<UUID> ownerIDs)
        {
            ParcelReturnObjectsPacket request = new ParcelReturnObjectsPacket
            {
                AgentData =
                {
                    AgentID = Client.Self.AgentID,
                    SessionID = Client.Self.SessionID
                },
                ParcelData =
                {
                    LocalID = localID,
                    ReturnType = (uint) type
                },
                TaskIDs = new ParcelReturnObjectsPacket.TaskIDsBlock[1]
            };


            // A single null TaskID is (not) used for parcel object returns
            request.TaskIDs[0] = new ParcelReturnObjectsPacket.TaskIDsBlock {TaskID = UUID.Zero};

            // Convert the list of owner UUIDs to packet blocks if a list is given
            if (ownerIDs != null)
            {
                request.OwnerIDs = new ParcelReturnObjectsPacket.OwnerIDsBlock[ownerIDs.Count];

                for (int i = 0; i < ownerIDs.Count; i++)
                {
                    request.OwnerIDs[i] = new ParcelReturnObjectsPacket.OwnerIDsBlock {OwnerID = ownerIDs[i]};
                }
            }
            else
            {
                request.OwnerIDs = Array.Empty<ParcelReturnObjectsPacket.OwnerIDsBlock>();
            }

            Client.Network.SendPacket(request, simulator);
        }

        /// <summary>
        /// Subdivide (split) a parcel
        /// </summary>
        /// <param name="simulator"></param>
        /// <param name="west"></param>
        /// <param name="south"></param>
        /// <param name="east"></param>
        /// <param name="north"></param>
        public void ParcelSubdivide(Simulator simulator, float west, float south, float east, float north)
        {
            ParcelDividePacket divide = new ParcelDividePacket
            {
                AgentData =
                {
                    AgentID = Client.Self.AgentID,
                    SessionID = Client.Self.SessionID
                },
                ParcelData =
                {
                    East = east,
                    North = north,
                    South = south,
                    West = west
                }
            };

            Client.Network.SendPacket(divide, simulator);
        }

        /// <summary>
        /// Join two parcels of land creating a single parcel
        /// </summary>
        /// <param name="simulator"></param>
        /// <param name="west"></param>
        /// <param name="south"></param>
        /// <param name="east"></param>
        /// <param name="north"></param>
        public void ParcelJoin(Simulator simulator, float west, float south, float east, float north)
        {
            ParcelJoinPacket join = new ParcelJoinPacket();
            join.AgentData.AgentID = Client.Self.AgentID;
            join.AgentData.SessionID = Client.Self.SessionID;
            join.ParcelData.East = east;
            join.ParcelData.North = north;
            join.ParcelData.South = south;
            join.ParcelData.West = west;

            Client.Network.SendPacket(join, simulator);
        }

        /// <summary>
        /// Get a parcels LocalID
        /// </summary>
        /// <param name="simulator">Simulator parcel is in</param>
        /// <param name="position">Vector3 position in simulator (Z not used)</param>
        /// <returns>0 on failure, or parcel LocalID on success.</returns>
        /// <remarks>A call to <code>Parcels.RequestAllSimParcels</code> is required to populate map and
        /// dictionary.</remarks>
        public int GetParcelLocalID(Simulator simulator, Vector3 position)
        {
            if (simulator.ParcelMap[(byte)position.Y / 4, (byte)position.X / 4] > 0)
            {
                return simulator.ParcelMap[(byte)position.Y / 4, (byte)position.X / 4];
            }
            else
            {
                Logger.Log(String.Format("ParcelMap returned an default/invalid value for location {0}/{1} Did you use RequestAllSimParcels() to populate the dictionaries?", (byte)position.Y / 4, (byte)position.X / 4 ), Helpers.LogLevel.Warning);
                return 0;
            }
        }

        /// <summary>
        /// Terraform (raise, lower, etc) an area or whole parcel of land
        /// </summary>
        /// <param name="simulator">Simulator land area is in.</param>
        /// <param name="localID">LocalID of parcel, or -1 if using bounding box</param>
        /// <param name="action">From Enum, Raise, Lower, Level, Smooth, Etc.</param>
        /// <param name="brushSize">Size of area to modify</param>
        /// <returns>true on successful request sent.</returns>
        /// <remarks>Settings.STORE_LAND_PATCHES must be true, 
        /// Parcel information must be downloaded using <code>RequestAllSimParcels()</code></remarks>
        public bool Terraform(Simulator simulator, int localID, TerraformAction action, TerraformBrushSize brushSize)
        {
            return Terraform(simulator, localID, 0f, 0f, 0f, 0f, action, brushSize, 1);
        }

        /// <summary>
        /// Terraform (raise, lower, etc) an area or whole parcel of land
        /// </summary>
        /// <param name="simulator">Simulator land area is in.</param>
        /// <param name="west">west border of area to modify</param>
        /// <param name="south">south border of area to modify</param>
        /// <param name="east">east border of area to modify</param>
        /// <param name="north">north border of area to modify</param>
        /// <param name="action">From Enum, Raise, Lower, Level, Smooth, Etc.</param>
        /// <param name="brushSize">Size of area to modify</param>
        /// <returns>true on successful request sent.</returns>
        /// <remarks>Settings.STORE_LAND_PATCHES must be true, 
        /// Parcel information must be downloaded using <code>RequestAllSimParcels()</code></remarks>
        public bool Terraform(Simulator simulator, float west, float south, float east, float north,
            TerraformAction action, TerraformBrushSize brushSize)
        {
            return Terraform(simulator, -1, west, south, east, north, action, brushSize, 1);
        }

        /// <summary>
        /// Terraform (raise, lower, etc) an area or whole parcel of land
        /// </summary>
        /// <param name="simulator">Simulator land area is in.</param>
        /// <param name="localID">LocalID of parcel, or -1 if using bounding box</param>
        /// <param name="west">west border of area to modify</param>
        /// <param name="south">south border of area to modify</param>
        /// <param name="east">east border of area to modify</param>
        /// <param name="north">north border of area to modify</param>
        /// <param name="action">From Enum, Raise, Lower, Level, Smooth, Etc.</param>
        /// <param name="brushSize">Size of area to modify</param>
        /// <param name="seconds">How many meters + or - to lower, 1 = 1 meter</param>
        /// <returns>true on successful request sent.</returns>
        /// <remarks>Settings.STORE_LAND_PATCHES must be true, 
        /// Parcel information must be downloaded using <code>RequestAllSimParcels()</code></remarks>
        public bool Terraform(Simulator simulator, int localID, float west, float south, float east, float north,
            TerraformAction action, TerraformBrushSize brushSize, int seconds)
        {
            float height = 0f;
            int x, y;
            if (localID == -1)
            {
                x = (int)east - (int)west / 2;
                y = (int)north - (int)south / 2;
            }
            else
            {
                Parcel p;
                if (!simulator.Parcels.TryGetValue(localID, out p))
                {
                    Logger.Log(String.Format("Can't find parcel {0} in simulator {1}", localID, simulator),
                        Helpers.LogLevel.Warning, Client);
                    return false;
                }

                x = (int)p.AABBMax.X - (int)p.AABBMin.X / 2;
                y = (int)p.AABBMax.Y - (int)p.AABBMin.Y / 2;
            }

            if (!simulator.TerrainHeightAtPoint(x, y, out height))
            {
                Logger.Log("Land Patch not stored for location", Helpers.LogLevel.Warning, Client);
                return false;
            }

            Terraform(simulator, localID, west, south, east, north, action, brushSize, seconds, height);
            return true;
        }

        /// <summary>
        /// Terraform (raise, lower, etc) an area or whole parcel of land
        /// </summary>
        /// <param name="simulator">Simulator land area is in.</param>
        /// <param name="localID">LocalID of parcel, or -1 if using bounding box</param>
        /// <param name="west">west border of area to modify</param>
        /// <param name="south">south border of area to modify</param>
        /// <param name="east">east border of area to modify</param>
        /// <param name="north">north border of area to modify</param>
        /// <param name="action">From Enum, Raise, Lower, Level, Smooth, Etc.</param>
        /// <param name="brushSize">Size of area to modify</param>
        /// <param name="seconds">How many meters + or - to lower, 1 = 1 meter</param>
        /// <param name="height">Height at which the terraform operation is acting at</param>
        public void Terraform(Simulator simulator, int localID, float west, float south, float east, float north,
            TerraformAction action, TerraformBrushSize brushSize, int seconds, float height)
        {
            ModifyLandPacket land = new ModifyLandPacket
            {
                AgentData =
                {
                    AgentID = Client.Self.AgentID,
                    SessionID = Client.Self.SessionID
                },
                ModifyBlock =
                {
                    Action = (byte) action,
                    BrushSize = (byte) brushSize,
                    Seconds = seconds,
                    Height = height
                },
                ParcelData = new ModifyLandPacket.ParcelDataBlock[1]
            };


            land.ParcelData[0] = new ModifyLandPacket.ParcelDataBlock
            {
                LocalID = localID,
                West = west,
                South = south,
                East = east,
                North = north
            };

            land.ModifyBlockExtended = new ModifyLandPacket.ModifyBlockExtendedBlock[1];
            land.ModifyBlockExtended[0] = new ModifyLandPacket.ModifyBlockExtendedBlock {BrushSize = (float) brushSize};

            Client.Network.SendPacket(land, simulator);
        }

        /// <summary>
        /// Sends a request to the simulator to return a list of objects owned by specific owners
        /// </summary>
        /// <param name="localID">Simulator local ID of parcel</param>
        /// <param name="selectType">Owners, Others, Etc</param>
        /// <param name="ownerID">List containing keys of avatars objects to select; 
        /// if List is null will return Objects of type <c>selectType</c></param>
        /// <remarks>Response data is returned in the event <seealso cref="E:ForceSelectObjectsReply"/></remarks>
        public void RequestSelectObjects(int localID, ObjectReturnType selectType, UUID ownerID)
        {
            ParcelSelectObjectsPacket select = new ParcelSelectObjectsPacket();
            select.AgentData.AgentID = Client.Self.AgentID;
            select.AgentData.SessionID = Client.Self.SessionID;

            select.ParcelData.LocalID = localID;
            select.ParcelData.ReturnType = (uint)selectType;

            select.ReturnIDs = new ParcelSelectObjectsPacket.ReturnIDsBlock[1];
            select.ReturnIDs[0] = new ParcelSelectObjectsPacket.ReturnIDsBlock {ReturnID = ownerID};

            Client.Network.SendPacket(select);
        }

        /// <summary>
        /// Eject and optionally ban a user from a parcel
        /// </summary>
        /// <param name="targetID">target key of avatar to eject</param>
        /// <param name="ban">true to also ban target</param>
        public void EjectUser(UUID targetID, bool ban)
        {
            EjectUserPacket eject = new EjectUserPacket
            {
                AgentData =
                {
                    AgentID = Client.Self.AgentID,
                    SessionID = Client.Self.SessionID
                },
                Data = {TargetID = targetID}
            };
            eject.Data.Flags = ban ? (uint)1 : 0;

            Client.Network.SendPacket(eject);
        }

        /// <summary>
        /// Freeze or unfreeze an avatar over your land
        /// </summary>
        /// <param name="targetID">target key to freeze</param>
        /// <param name="freeze">true to freeze, false to unfreeze</param>
        public void FreezeUser(UUID targetID, bool freeze)
        {
            FreezeUserPacket frz = new FreezeUserPacket
            {
                AgentData =
                {
                    AgentID = Client.Self.AgentID,
                    SessionID = Client.Self.SessionID
                },
                Data = {TargetID = targetID}
            };
            frz.Data.Flags = freeze ? (uint)0 : 1;

            Client.Network.SendPacket(frz);
        }

        /// <summary>
        /// Abandon a parcel of land
        /// </summary>
        /// <param name="simulator">Simulator parcel is in</param>
        /// <param name="localID">Simulator local ID of parcel</param>
        public void ReleaseParcel(Simulator simulator, int localID)
        {
            ParcelReleasePacket abandon = new ParcelReleasePacket
            {
                AgentData =
                {
                    AgentID = Client.Self.AgentID,
                    SessionID = Client.Self.SessionID
                },
                Data = {LocalID = localID}
            };

            Client.Network.SendPacket(abandon, simulator);
        }

        /// <summary>
        /// Requests the UUID of the parcel in a remote region at a specified location
        /// </summary>
        /// <param name="location">Location of the parcel in the remote region</param>
        /// <param name="regionHandle">Remote region handle</param>
        /// <param name="regionID">Remote region UUID</param>
        /// <returns>If successful UUID of the remote parcel, UUID.Zero otherwise</returns>
        public async Task<UUID> RequestRemoteParcelIDAsync(Vector3 location, ulong regionHandle, UUID regionID)
        {
            if (Client.Network.CurrentSim == null || Client.Network.CurrentSim.Caps == null)
                return UUID.Zero;

            Uri cap = Client.Network.CurrentSim.Caps.CapabilityURI("RemoteParcelRequest");

            if (cap != null)
            {
                RemoteParcelRequestRequest msg = new RemoteParcelRequestRequest
                {
                    Location = location,
                    RegionHandle = regionHandle,
                    RegionID = regionID
                };

                try
                {
                    OSD res = null;
                    await Client.HttpCapsClient.PostRequestAsync(cap, OSDFormat.Xml, msg.Serialize(), CancellationToken.None,
                            (response, data, error) => res = OSDParser.Deserialize(data));

                    if (res is OSDMap result)
                    {
                        RemoteParcelRequestReply response = new RemoteParcelRequestReply();
                        response.Deserialize(result);
                        return response.ParcelID;
                    }
                }
                catch (Exception ex)
                {
                    Logger.Log("Failed to fetch remote parcel ID", Helpers.LogLevel.Debug, Client, ex);
                }
            }
            
            return UUID.Zero;

        }

        /// <summary>
        /// Requests the UUID of the parcel in a remote region at a specified location
        /// </summary>
        /// <param name="location">Location of the parcel in the remote region</param>
        /// <param name="regionHandle">Remote region handle</param>
        /// <param name="regionID">Remote region UUID</param>
        /// <returns>If successful UUID of the remote parcel, UUID.Zero otherwise</returns>
        public UUID RequestRemoteParcelID(Vector3 location, ulong regionHandle, UUID regionID)
        {
            return RequestRemoteParcelIDAsync(location, regionHandle, regionID).Result;
        }

        /// <summary>
        /// Retrieves information on resources used by the parcel
        /// </summary>
        /// <param name="parcelID">UUID of the parcel</param>
        /// <param name="getDetails">Should per object resource usage be requested</param>
        /// <param name="callback">Callback invoked when the request is complete</param>
        public void GetParcelResources(UUID parcelID, bool getDetails, LandResourcesCallback callback)
        {
            try
            {
                LandResourcesRequest req = new LandResourcesRequest { ParcelID = parcelID };
                Uri cap = Client.Network.CurrentSim.Caps.CapabilityURI("LandResources");
                Task httpReq = Client.HttpCapsClient.PostRequestAsync(cap, OSDFormat.Xml, req.Serialize(),
                    CancellationToken.None, (httpResponse, data, error) =>
                    {
                        try
                        {
                            if (error != null)
                            {
                                callback(false, null);
                            }

                            OSD result = OSDParser.Deserialize(data);
                            LandResourcesMessage landResourcesMessage = new LandResourcesMessage();
                            landResourcesMessage.Deserialize((OSDMap)result);

                            OSD summaryResponse = null;
                            AsyncHelper.Sync(() => Client.HttpCapsClient.GetRequestAsync(
                                Client.Network.CurrentSim.Caps.CapabilityURI("ScriptResourceSummary"),
                                CancellationToken.None,
                                (response, respData, err) => summaryResponse = OSDParser.Deserialize(respData)));

                            LandResourcesInfo resInfo = new LandResourcesInfo();
                            resInfo.Deserialize((OSDMap)summaryResponse);

                            if (landResourcesMessage.ScriptResourceDetails != null && getDetails)
                            {
                                OSD detailResponse = null;
                                AsyncHelper.Sync(() => Client.HttpCapsClient.GetRequestAsync(
                                    Client.Network.CurrentSim.Caps.CapabilityURI("ScriptResourceDetails"),
                                    CancellationToken.None,
                                    (response, respData, err) => detailResponse = OSDParser.Deserialize(respData)));

                                resInfo.Deserialize((OSDMap)detailResponse);
                            }

                            callback(true, resInfo);
                        }
                        catch (Exception ex)
                        {
                            Logger.Log("Failed fetching land resources", Helpers.LogLevel.Error, Client, ex);
                            callback(false, null);
                        }
                    });
            }
            catch (Exception ex)
            {
                Logger.Log("Failed fetching land resources:", Helpers.LogLevel.Error, Client, ex);
                callback(false, null);
            }
        }

        #endregion Public Methods

        #region Packet Handlers

        /// <summary>Process an incoming packet and raise the appropriate events</summary>
        /// <param name="sender">The sender</param>
        /// <param name="e">The EventArgs object containing the packet data</param>
        /// <remarks>Raises the <see cref="ParcelDwellReply"/> event</remarks>
        protected void ParcelDwellReplyHandler(object sender, PacketReceivedEventArgs e)
        {            
            if (m_DwellReply != null || Client.Settings.ALWAYS_REQUEST_PARCEL_DWELL)
            {
                Packet packet = e.Packet;
                Simulator simulator = e.Simulator;

                ParcelDwellReplyPacket dwell = (ParcelDwellReplyPacket)packet;

                lock (simulator.Parcels.Dictionary)
                {
                    if (simulator.Parcels.Dictionary.ContainsKey(dwell.Data.LocalID))
                    {
                        Parcel parcel = simulator.Parcels.Dictionary[dwell.Data.LocalID];
                        parcel.Dwell = dwell.Data.Dwell;
                        simulator.Parcels.Dictionary[dwell.Data.LocalID] = parcel;
                    }
                }

                if (m_DwellReply != null)
                {
                    OnParcelDwellReply(new ParcelDwellReplyEventArgs(dwell.Data.ParcelID, dwell.Data.LocalID, dwell.Data.Dwell));
                }
            }
        }

        /// <summary>Process an incoming packet and raise the appropriate events</summary>
        /// <param name="sender">The sender</param>
        /// <param name="e">The EventArgs object containing the packet data</param>
        /// <remarks>Raises the <see cref="ParcelInfoReply"/> event</remarks>
        protected void ParcelInfoReplyHandler(object sender, PacketReceivedEventArgs e)
        {
            if (m_ParcelInfo == null) return;

            Packet packet = e.Packet;
            ParcelInfoReplyPacket info = (ParcelInfoReplyPacket)packet;

            ParcelInfo parcelInfo = new ParcelInfo
            {
                ActualArea = info.Data.ActualArea,
                AuctionID = info.Data.AuctionID,
                BillableArea = info.Data.BillableArea,
                Description = Utils.BytesToString(info.Data.Desc),
                Dwell = info.Data.Dwell,
                GlobalX = info.Data.GlobalX,
                GlobalY = info.Data.GlobalY,
                GlobalZ = info.Data.GlobalZ,
                ID = info.Data.ParcelID,
                Mature = ((info.Data.Flags & 1) != 0),
                Name = Utils.BytesToString(info.Data.Name),
                OwnerID = info.Data.OwnerID,
                SalePrice = info.Data.SalePrice,
                SimName = Utils.BytesToString(info.Data.SimName),
                SnapshotID = info.Data.SnapshotID
            };


            OnParcelInfoReply(new ParcelInfoReplyEventArgs(parcelInfo));
        }

        protected void ParcelPropertiesReplyHandler(string capsKey, IMessage message, Simulator simulator)
        {
            if (m_ParcelProperties == null && Client.Settings.PARCEL_TRACKING != true) return;
            ParcelPropertiesMessage msg = (ParcelPropertiesMessage)message;

            Parcel parcel = new Parcel(msg.LocalID)
            {
                AABBMax = msg.AABBMax,
                AABBMin = msg.AABBMin,
                Area = msg.Area,
                AuctionID = msg.AuctionID,
                AuthBuyerID = msg.AuthBuyerID,
                Bitmap = msg.Bitmap,
                Category = msg.Category,
                ClaimDate = msg.ClaimDate,
                ClaimPrice = msg.ClaimPrice,
                Desc = msg.Desc,
                Flags = msg.ParcelFlags,
                GroupID = msg.GroupID,
                GroupPrims = msg.GroupPrims,
                IsGroupOwned = msg.IsGroupOwned,
                Landing = msg.LandingType,
                MaxPrims = msg.MaxPrims,
                Media =
                {
                    MediaAutoScale = msg.MediaAutoScale,
                    MediaID = msg.MediaID,
                    MediaURL = msg.MediaURL
                },
                MusicURL = msg.MusicURL,
                Name = msg.Name,
                OtherCleanTime = msg.OtherCleanTime,
                OtherCount = msg.OtherCount,
                OtherPrims = msg.OtherPrims,
                OwnerID = msg.OwnerID,
                OwnerPrims = msg.OwnerPrims,
                ParcelPrimBonus = msg.ParcelPrimBonus,
                PassHours = msg.PassHours,
                PassPrice = msg.PassPrice,
                PublicCount = msg.PublicCount,
                RegionDenyAgeUnverified = msg.RegionDenyAgeUnverified,
                RegionDenyAnonymous = msg.RegionDenyAnonymous,
                RegionPushOverride = msg.RegionPushOverride,
                RentPrice = msg.RentPrice,
                SeeAVs = msg.SeeAVs,
                AnyAVSounds = msg.AnyAVSounds,
                GroupAVSounds = msg.GroupAVSounds
                
            };

            ParcelResult result = msg.RequestResult;
            parcel.SalePrice = msg.SalePrice;
            int selectedPrims = msg.SelectedPrims;
            parcel.SelfCount = msg.SelfCount;
            int sequenceID = msg.SequenceID;
            parcel.SimWideMaxPrims = msg.SimWideMaxPrims;
            parcel.SimWideTotalPrims = msg.SimWideTotalPrims;
            bool snapSelection = msg.SnapSelection;
            parcel.SnapshotID = msg.SnapshotID;
            parcel.Status = msg.Status;
            parcel.TotalPrims = msg.TotalPrims;
            parcel.UserLocation = msg.UserLocation;
            parcel.UserLookAt = msg.UserLookAt;
            parcel.Media.MediaDesc = msg.MediaDesc;
            parcel.Media.MediaHeight = msg.MediaHeight;
            parcel.Media.MediaWidth = msg.MediaWidth;
            parcel.Media.MediaLoop = msg.MediaLoop;
            parcel.Media.MediaType = msg.MediaType;
            parcel.ObscureMedia = msg.ObscureMedia;
            parcel.ObscureMusic = msg.ObscureMusic;

            if (Client.Settings.PARCEL_TRACKING)
            {
                lock (simulator.Parcels.Dictionary)
                    simulator.Parcels.Dictionary[parcel.LocalID] = parcel;

                bool set = false;
                int y, x, index, bit;
                for (y = 0; y < 64; y++)
                {
                    for (x = 0; x < 64; x++)
                    {
                        index = (y * 64) + x;
                        bit = index % 8;
                        index >>= 3;

                        if ((parcel.Bitmap[index] & (1 << bit)) != 0)
                        {
                            simulator.ParcelMap[y, x] = parcel.LocalID;
                            set = true;
                        }
                    }
                }

                if (!set)
                {
                    Logger.Log("Received a parcel with a bitmap that did not map to any locations",
                        Helpers.LogLevel.Warning);
                }
            }

            if (sequenceID.Equals(int.MaxValue))
                WaitForSimParcel?.Set();

            // auto request acl, will be stored in parcel tracking dictionary if enabled
            if (Client.Settings.ALWAYS_REQUEST_PARCEL_ACL)
            {
                Client.Parcels.RequestParcelAccessList(simulator, parcel.LocalID,
                    AccessList.Both, sequenceID);
            }

            // auto request dwell, will be stored in parcel tracking dictionary if enables
            if (Client.Settings.ALWAYS_REQUEST_PARCEL_DWELL)
                Client.Parcels.RequestDwell(simulator, parcel.LocalID);

            // Fire the callback for parcel properties being received
            if (m_ParcelProperties != null)
            {
                OnParcelProperties(new ParcelPropertiesEventArgs(simulator, parcel, result, selectedPrims, sequenceID, snapSelection));
            }

            // Check if all of the simulator parcels have been retrieved, if so fire another callback
            if (simulator.IsParcelMapFull() && m_SimParcelsDownloaded != null)
            {
                OnSimParcelsDownloaded(new SimParcelsDownloadedEventArgs(simulator, simulator.Parcels, simulator.ParcelMap));
            }
        }

        /// <summary>Process an incoming packet and raise the appropriate events</summary>
        /// <param name="sender">The sender</param>
        /// <param name="e">The EventArgs object containing the packet data</param>
        /// <remarks>Raises the <see cref="ParcelAccessListReply"/> event</remarks>
        protected void ParcelAccessListReplyHandler(object sender, PacketReceivedEventArgs e)
        {
            if (m_ParcelACL != null || Client.Settings.ALWAYS_REQUEST_PARCEL_ACL)
            {
                Packet packet = e.Packet;
                Simulator simulator = e.Simulator;

                ParcelAccessListReplyPacket reply = (ParcelAccessListReplyPacket)packet;

                List<ParcelAccessEntry> accessList = new List<ParcelAccessEntry>(reply.List.Length);
                   
                    foreach (ParcelAccessListReplyPacket.ListBlock t in reply.List)
                    {
                        ParcelAccessEntry pae = new ParcelAccessEntry
                        {
                            AgentID = t.ID,
                            Time = Utils.UnixTimeToDateTime((uint) t.Time),
                            Flags = (AccessList) t.Flags
                        };

                        accessList.Add(pae);
                    }

                    lock (simulator.Parcels.Dictionary)
                    {
                        if (simulator.Parcels.Dictionary.ContainsKey(reply.Data.LocalID))
                        {
                            Parcel parcel = simulator.Parcels.Dictionary[reply.Data.LocalID];
                            if ((AccessList)reply.Data.Flags == AccessList.Ban)
                                parcel.AccessBlackList = accessList;
                            else
                                parcel.AccessWhiteList = accessList;

                            simulator.Parcels.Dictionary[reply.Data.LocalID] = parcel;
                        }
                    }
                

                if (m_ParcelACL != null)
                {
                    OnParcelAccessListReply(new ParcelAccessListReplyEventArgs(simulator, reply.Data.SequenceID, reply.Data.LocalID, 
                        reply.Data.Flags, accessList));                    
                }
            }
        }
        
        protected void ParcelObjectOwnersReplyHandler(string capsKey, IMessage message, Simulator simulator)
        {
            if (m_ParcelObjectOwnersReply != null)
            {
                List<ParcelPrimOwners> primOwners = new List<ParcelPrimOwners>();

                ParcelObjectOwnersReplyMessage msg = (ParcelObjectOwnersReplyMessage)message;
                
                foreach (ParcelObjectOwnersReplyMessage.PrimOwner t in msg.PrimOwnersBlock)
                {
                    ParcelPrimOwners primOwner = new ParcelPrimOwners
                    {
                        OwnerID = t.OwnerID,
                        Count = t.Count,
                        IsGroupOwned = t.IsGroupOwned,
                        OnlineStatus = t.OnlineStatus,
                        NewestPrim = t.TimeStamp
                    };

                    primOwners.Add(primOwner);
                }

                OnParcelObjectOwnersReply(new ParcelObjectOwnersReplyEventArgs(simulator, primOwners));
            }                
        }

        /// <summary>Process an incoming packet and raise the appropriate events</summary>
        /// <param name="sender">The sender</param>
        /// <param name="e">The EventArgs object containing the packet data</param>
        /// <remarks>Raises the <see cref="ForceSelectObjectsReply"/> event</remarks>
        protected void SelectParcelObjectsReplyHandler(object sender, PacketReceivedEventArgs e)
        {
            if (m_ForceSelectObjects == null) return;

            Packet packet = e.Packet;
            Simulator simulator = e.Simulator;

            ForceObjectSelectPacket reply = (ForceObjectSelectPacket)packet;
            List<uint> objectIDs = new List<uint>(reply.Data.Length);
            objectIDs.AddRange(reply.Data.Select(t => t.LocalID));

            OnForceSelectObjectsReply(new ForceSelectObjectsReplyEventArgs(simulator, objectIDs, reply._Header.ResetList));
        }

        /// <summary>Process an incoming packet and raise the appropriate events</summary>
        /// <param name="sender">The sender</param>
        /// <param name="e">The EventArgs object containing the packet data</param>
        /// <remarks>Raises the <see cref="ParcelMediaUpdateReply"/> event</remarks>
        protected void ParcelMediaUpdateHandler(object sender, PacketReceivedEventArgs e)
        {
            if (m_ParcelMediaUpdateReply == null) return;

            Packet packet = e.Packet;
            Simulator simulator = e.Simulator;

            ParcelMediaUpdatePacket reply = (ParcelMediaUpdatePacket)packet;
            ParcelMedia media = new ParcelMedia
            {
                MediaAutoScale = (reply.DataBlock.MediaAutoScale == (byte) 0x1),
                MediaID = reply.DataBlock.MediaID,
                MediaDesc = Utils.BytesToString(reply.DataBlockExtended.MediaDesc),
                MediaHeight = reply.DataBlockExtended.MediaHeight,
                MediaLoop = ((reply.DataBlockExtended.MediaLoop & 1) != 0),
                MediaType = Utils.BytesToString(reply.DataBlockExtended.MediaType),
                MediaWidth = reply.DataBlockExtended.MediaWidth,
                MediaURL = Utils.BytesToString(reply.DataBlock.MediaURL)
            };


            OnParcelMediaUpdateReply(new ParcelMediaUpdateReplyEventArgs(simulator, media));
        }

        /// <summary>Process an incoming packet and raise the appropriate events</summary>
        /// <param name="sender">The sender</param>
        /// <param name="e">The EventArgs object containing the packet data</param>
        protected void ParcelOverlayHandler(object sender, PacketReceivedEventArgs e)
        {
            const int OVERLAY_COUNT = 4;
            Packet packet = e.Packet;
            Simulator simulator = e.Simulator;

            ParcelOverlayPacket overlay = (ParcelOverlayPacket)packet;

            if (overlay.ParcelData.SequenceID >= 0 && overlay.ParcelData.SequenceID < OVERLAY_COUNT)
            {
                int length = overlay.ParcelData.Data.Length;

                Buffer.BlockCopy(overlay.ParcelData.Data, 0, simulator.ParcelOverlay,
                    overlay.ParcelData.SequenceID * length, length);
                simulator.ParcelOverlaysReceived++;

                if (simulator.ParcelOverlaysReceived >= OVERLAY_COUNT)
                {
                    // TODO: ParcelOverlaysReceived should become internal, and reset to zero every 
                    // time it hits four. Also need a callback here
                }
            }
            else
            {
                Logger.Log("Parcel overlay with sequence ID of " + overlay.ParcelData.SequenceID +
                    " received from " + simulator, Helpers.LogLevel.Warning, Client);
            }
        }

        /// <summary>Process an incoming packet and raise the appropriate events</summary>
        /// <param name="sender">The sender</param>
        /// <param name="e">The EventArgs object containing the packet data</param>
        /// <remarks>Raises the <see cref="ParcelMediaCommand"/> event</remarks>
        protected void ParcelMediaCommandMessagePacketHandler(object sender, PacketReceivedEventArgs e)
        {
            if (m_ParcelMediaCommand == null) return;

            Packet packet = e.Packet;
            Simulator simulator = e.Simulator;

            ParcelMediaCommandMessagePacket pmc = (ParcelMediaCommandMessagePacket)packet;
            ParcelMediaCommandMessagePacket.CommandBlockBlock block = pmc.CommandBlock;

            OnParcelMediaCommand(new ParcelMediaCommandEventArgs(simulator, pmc.Header.Sequence, (ParcelFlags)block.Flags,
                (ParcelMediaCommand)block.Command, block.Time));
        }

        #endregion Packet Handlers
    }
    #region EventArgs classes
    
    /// <summary>Contains a parcels dwell data returned from the simulator in response to an <see cref="RequestParcelDwell"/></summary>
    public class ParcelDwellReplyEventArgs : EventArgs
    {
        /// <summary>Get the global ID of the parcel</summary>
        public UUID ParcelID { get; }

        /// <summary>Get the simulator specific ID of the parcel</summary>
        public int LocalID { get; }

        /// <summary>Get the calculated dwell</summary>
        public float Dwell { get; }

        /// <summary>
        /// Construct a new instance of the ParcelDwellReplyEventArgs class
        /// </summary>
        /// <param name="parcelID">The global ID of the parcel</param>
        /// <param name="localID">The simulator specific ID of the parcel</param>
        /// <param name="dwell">The calculated dwell for the parcel</param>
        public ParcelDwellReplyEventArgs(UUID parcelID, int localID, float dwell)
        {
            ParcelID = parcelID;
            LocalID = localID;
            Dwell = dwell;
        }
    }

    /// <summary>Contains basic parcel information data returned from the 
    /// simulator in response to an <see cref="RequestParcelInfo"/> request</summary>
    public class ParcelInfoReplyEventArgs : EventArgs
    {
        /// <summary>Get the <see cref="ParcelInfo"/> object containing basic parcel info</summary>
        public ParcelInfo Parcel { get; }

        /// <summary>
        /// Construct a new instance of the ParcelInfoReplyEventArgs class
        /// </summary>
        /// <param name="parcel">The <see cref="ParcelInfo"/> object containing basic parcel info</param>
        public ParcelInfoReplyEventArgs(ParcelInfo parcel)
        {
            Parcel = parcel;
        }
    }

    /// <summary>Contains basic parcel information data returned from the simulator in response to an <see cref="RequestParcelInfo"/> request</summary>
    public class ParcelPropertiesEventArgs : EventArgs
    {
        /// <summary>Get the simulator the parcel is located in</summary>
        public Simulator Simulator { get; }

        /// <summary>Get the <see cref="Parcel"/> object containing the details</summary>
        /// <remarks>If Result is NoData, this object will not contain valid data</remarks>
        public Parcel Parcel { get; }

        /// <summary>Get the result of the request</summary>
        public ParcelResult Result { get; }

        /// <summary>Get the number of primitieves your agent is 
        /// currently selecting and or sitting on in this parcel</summary>
        public int SelectedPrims { get; }

        /// <summary>Get the user assigned ID used to correlate a request with
        /// these results</summary>
        public int SequenceID { get; }

        /// <summary>TODO:</summary>
        public bool SnapSelection { get; }

        /// <summary>
        /// Construct a new instance of the ParcelPropertiesEventArgs class
        /// </summary>
        /// <param name="simulator">The <see cref="Parcel"/> object containing the details</param>
        /// <param name="parcel">The <see cref="Parcel"/> object containing the details</param>
        /// <param name="result">The result of the request</param>
        /// <param name="selectedPrims">The number of primitieves your agent is 
        /// currently selecting and or sitting on in this parcel</param>
        /// <param name="sequenceID">The user assigned ID used to correlate a request with
        /// these results</param>
        /// <param name="snapSelection">TODO:</param>
        public ParcelPropertiesEventArgs(Simulator simulator, Parcel parcel, ParcelResult result, int selectedPrims,
            int sequenceID, bool snapSelection)
        {
            Simulator = simulator;
            Parcel = parcel;
            Result = result;
            SelectedPrims = selectedPrims;
            SequenceID = sequenceID;
            SnapSelection = snapSelection;
        }
    }
    
    /// <summary>Contains blacklist and whitelist data returned from the simulator in response to an <see cref="RequestParcelAccesslist"/> request</summary>
    public class ParcelAccessListReplyEventArgs : EventArgs
    {
        /// <summary>Get the simulator the parcel is located in</summary>
        public Simulator Simulator { get; }

        /// <summary>Get the user assigned ID used to correlate a request with
        /// these results</summary>
        public int SequenceID { get; }

        /// <summary>Get the simulator specific ID of the parcel</summary>
        public int LocalID { get; }

        /// <summary>TODO</summary>
        public uint Flags { get; }

        /// <summary>Get the list containing the white/blacklisted agents for the parcel</summary>
        public List<ParcelManager.ParcelAccessEntry> AccessList { get; }

        /// <summary>
        /// Construct a new instance of the ParcelAccessListReplyEventArgs class
        /// </summary>
        /// <param name="simulator">The simulator the parcel is located in</param>
        /// <param name="sequenceID">The user assigned ID used to correlate a request with
        /// these results</param>
        /// <param name="localID">The simulator specific ID of the parcel</param>
        /// <param name="flags">TODO:</param>
        /// <param name="accessEntries">The list containing the white/blacklisted agents for the parcel</param>
        public ParcelAccessListReplyEventArgs(Simulator simulator, int sequenceID, int localID, uint flags, List<ParcelManager.ParcelAccessEntry> accessEntries)
        {
            Simulator = simulator;
            SequenceID = sequenceID;
            LocalID = localID;
            Flags = flags;
            AccessList = accessEntries;
        }
    }
    
    /// <summary>Contains blacklist and whitelist data returned from the 
    /// simulator in response to an <see cref="RequestParcelAccesslist"/> request</summary>
    public class ParcelObjectOwnersReplyEventArgs : EventArgs
    {
        /// <summary>Get the simulator the parcel is located in</summary>
        public Simulator Simulator { get; }

        /// <summary>Get the list containing prim ownership counts</summary>
        public List<ParcelManager.ParcelPrimOwners> PrimOwners { get; }

        /// <summary>
        /// Construct a new instance of the ParcelObjectOwnersReplyEventArgs class
        /// </summary>
        /// <param name="simulator">The simulator the parcel is located in</param>
        /// <param name="primOwners">The list containing prim ownership counts</param>
        public ParcelObjectOwnersReplyEventArgs(Simulator simulator, List<ParcelManager.ParcelPrimOwners> primOwners)
        {
            Simulator = simulator;
            PrimOwners = primOwners;
        }
    }

    /// <summary>Contains the data returned when all parcel data has been retrieved from a simulator</summary>
    public class SimParcelsDownloadedEventArgs : EventArgs
    {
        /// <summary>Get the simulator the parcel data was retrieved from</summary>
        public Simulator Simulator { get; }

        /// <summary>A dictionary containing the parcel data where the key correlates to the ParcelMap entry</summary>
        public InternalDictionary<int, Parcel> Parcels { get; }

        /// <summary>Get the multidimensional array containing a x,y grid mapped
        /// to each 64x64 parcel's LocalID.</summary>
        public int[,] ParcelMap { get; }

        /// <summary>
        /// Construct a new instance of the SimParcelsDownloadedEventArgs class
        /// </summary>
        /// <param name="simulator">The simulator the parcel data was retrieved from</param>
        /// <param name="simParcels">The dictionary containing the parcel data</param>
        /// <param name="parcelMap">The multidimensional array containing a x,y grid mapped
        /// to each 64x64 parcel's LocalID.</param>
        public SimParcelsDownloadedEventArgs(Simulator simulator, InternalDictionary<int, Parcel> simParcels, int[,] parcelMap)
        {
            Simulator = simulator;
            Parcels = simParcels;
            ParcelMap = parcelMap;
        }
    }
    
    /// <summary>Contains the data returned when a <see cref="RequestForceSelectObjects"/> request</summary>
    public class ForceSelectObjectsReplyEventArgs : EventArgs
    {
        /// <summary>Get the simulator the parcel data was retrieved from</summary>
        public Simulator Simulator { get; }

        /// <summary>Get the list of primitive IDs</summary>
        public List<uint> ObjectIDs { get; }

        /// <summary>true if the list is clean and contains the information
        /// only for a given request</summary>
        public bool ResetList { get; }

        /// <summary>
        /// Construct a new instance of the ForceSelectObjectsReplyEventArgs class
        /// </summary>
        /// <param name="simulator">The simulator the parcel data was retrieved from</param>
        /// <param name="objectIDs">The list of primitive IDs</param>
        /// <param name="resetList">true if the list is clean and contains the information
        /// only for a given request</param>
        public ForceSelectObjectsReplyEventArgs(Simulator simulator, List<uint> objectIDs, bool resetList)
        {
            this.Simulator = simulator;
            this.ObjectIDs = objectIDs;
            this.ResetList = resetList;
        }
    }
   
    /// <summary>Contains data when the media data for a parcel the avatar is on changes</summary>
    public class ParcelMediaUpdateReplyEventArgs : EventArgs
    {
        /// <summary>Get the simulator the parcel media data was updated in</summary>
        public Simulator Simulator { get; }

        /// <summary>Get the updated media information</summary>
        public ParcelMedia Media { get; }

        /// <summary>
        /// Construct a new instance of the ParcelMediaUpdateReplyEventArgs class
        /// </summary>
        /// <param name="simulator">the simulator the parcel media data was updated in</param>
        /// <param name="media">The updated media information</param>
        public ParcelMediaUpdateReplyEventArgs(Simulator simulator, ParcelMedia media)
        {
            this.Simulator = simulator;
            this.Media = media;
        }
    }

    /// <summary>Contains the media command for a parcel the agent is currently on</summary>
    public class ParcelMediaCommandEventArgs : EventArgs
    {
        /// <summary>Get the simulator the parcel media command was issued in</summary>
        public Simulator Simulator { get; }

        /// <summary></summary>
        public uint Sequence { get; }

        /// <summary></summary>
        public ParcelFlags ParcelFlags { get; }

        /// <summary>Get the media command that was sent</summary>
        public ParcelMediaCommand MediaCommand { get; }

        /// <summary></summary>
        public float Time { get; }

        /// <summary>
        /// Construct a new instance of the ParcelMediaCommandEventArgs class
        /// </summary>
        /// <param name="simulator">The simulator the parcel media command was issued in</param>
        /// <param name="sequence"></param>
        /// <param name="flags"></param>
        /// <param name="command">The media command that was sent</param>
        /// <param name="time"></param>
        public ParcelMediaCommandEventArgs(Simulator simulator, uint sequence, ParcelFlags flags, ParcelMediaCommand command, float time)
        {
            Simulator = simulator;
            Sequence = sequence;
            ParcelFlags = flags;
            MediaCommand = command;
            Time = time;
        }
    }
    #endregion
}