893 lines
36 KiB
C#
893 lines
36 KiB
C#
/*
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* Copyright (c) Contributors, http://www.openmetaverse.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSim Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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using System;
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using System.Collections.Generic;
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using System.Text;
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using libsecondlife;
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using libsecondlife.Packets;
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using OpenSim.Framework.Interfaces;
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using OpenSim.Framework.Types;
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using OpenSim.Region.Scenes;
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using Avatar = OpenSim.Region.Scenes.ScenePresence;
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namespace OpenSim.Region
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{
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#region ParcelManager Class
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/// <summary>
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/// Handles Parcel objects and operations requiring information from other Parcel objects (divide, join, etc)
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/// </summary>
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public class ParcelManager : OpenSim.Framework.Interfaces.ILocalStorageParcelReceiver
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{
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#region Constants
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//Parcel types set with flags in ParcelOverlay.
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//Only one of these can be used.
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public const byte PARCEL_TYPE_PUBLIC = (byte)0; //Equals 00000000
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public const byte PARCEL_TYPE_OWNED_BY_OTHER = (byte)1; //Equals 00000001
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public const byte PARCEL_TYPE_OWNED_BY_GROUP = (byte)2; //Equals 00000010
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public const byte PARCEL_TYPE_OWNED_BY_REQUESTER = (byte)3; //Equals 00000011
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public const byte PARCEL_TYPE_IS_FOR_SALE = (byte)4; //Equals 00000100
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public const byte PARCEL_TYPE_IS_BEING_AUCTIONED = (byte)5; //Equals 00000101
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//Flags that when set, a border on the given side will be placed
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//NOTE: North and East is assumable by the west and south sides (if parcel to east has a west border, then I have an east border; etc)
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//This took forever to figure out -- jeesh. /blame LL for even having to send these
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public const byte PARCEL_FLAG_PROPERTY_BORDER_WEST = (byte)64; //Equals 01000000
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public const byte PARCEL_FLAG_PROPERTY_BORDER_SOUTH = (byte)128; //Equals 10000000
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//RequestResults (I think these are right, they seem to work):
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public const int PARCEL_RESULT_ONE_PARCEL = 0; // The request they made contained only one parcel
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public const int PARCEL_RESULT_MULTIPLE_PARCELS = 1; // The request they made contained more than one parcel
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//These are other constants. Yay!
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public const int START_PARCEL_LOCAL_ID = 1;
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#endregion
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#region Member Variables
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public Dictionary<int, Parcel> parcelList = new Dictionary<int, Parcel>();
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private int lastParcelLocalID = START_PARCEL_LOCAL_ID - 1;
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private int[,] parcelIDList = new int[64, 64];
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private Scene m_world;
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private RegionInfo m_regInfo;
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#endregion
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#region Constructors
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public ParcelManager(Scene world, RegionInfo reginfo)
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{
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m_world = world;
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m_regInfo = reginfo;
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parcelIDList.Initialize();
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}
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#endregion
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#region Member Functions
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#region Parcel From Storage Functions
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public void ParcelFromStorage(ParcelData data)
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{
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Parcel new_parcel = new Parcel(data.ownerID, data.isGroupOwned, m_world);
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new_parcel.parcelData = data.Copy();
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new_parcel.setParcelBitmapFromByteArray();
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addParcel(new_parcel);
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}
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public void NoParcelDataFromStorage()
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{
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resetSimParcels();
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}
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#endregion
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#region Parcel Add/Remove/Get/Create
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/// <summary>
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/// Creates a basic Parcel object without an owner (a zeroed key)
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/// </summary>
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/// <returns></returns>
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public Parcel createBaseParcel()
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{
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return new Parcel(new LLUUID(), false, m_world);
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}
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/// <summary>
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/// Adds a parcel to the stored list and adds them to the parcelIDList to what they own
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/// </summary>
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/// <param name="new_parcel">The parcel being added</param>
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public void addParcel(Parcel new_parcel)
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{
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lastParcelLocalID++;
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new_parcel.parcelData.localID = lastParcelLocalID;
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parcelList.Add(lastParcelLocalID, new_parcel.Copy());
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bool[,] parcelBitmap = new_parcel.getParcelBitmap();
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int x, y;
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for (x = 0; x < 64; x++)
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{
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for (y = 0; y < 64; y++)
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{
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if (parcelBitmap[x, y])
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{
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parcelIDList[x, y] = lastParcelLocalID;
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}
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}
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}
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parcelList[lastParcelLocalID].forceUpdateParcelInfo();
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}
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/// <summary>
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/// Removes a parcel from the list. Will not remove if local_id is still owning an area in parcelIDList
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/// </summary>
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/// <param name="local_id">Parcel.localID of the parcel to remove.</param>
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public void removeParcel(int local_id)
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{
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int x, y;
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for (x = 0; x < 64; x++)
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{
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for (y = 0; y < 64; y++)
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{
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if (parcelIDList[x, y] == local_id)
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{
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throw new Exception("Could not remove parcel. Still being used at " + x + ", " + y);
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}
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}
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}
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m_world.localStorage.RemoveParcel(parcelList[local_id].parcelData);
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parcelList.Remove(local_id);
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}
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private void performFinalParcelJoin(Parcel master, Parcel slave)
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{
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int x, y;
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bool[,] parcelBitmapSlave = slave.getParcelBitmap();
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for (x = 0; x < 64; x++)
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{
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for (y = 0; y < 64; y++)
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{
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if (parcelBitmapSlave[x, y])
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{
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parcelIDList[x, y] = master.parcelData.localID;
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}
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}
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}
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removeParcel(slave.parcelData.localID);
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}
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/// <summary>
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/// Get the parcel at the specified point
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/// </summary>
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/// <param name="x">Value between 0 - 256 on the x axis of the point</param>
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/// <param name="y">Value between 0 - 256 on the y axis of the point</param>
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/// <returns>Parcel at the point supplied</returns>
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public Parcel getParcel(int x, int y)
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{
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if (x > 256 || y > 256 || x < 0 || y < 0)
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{
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throw new Exception("Error: Parcel not found at point " + x + ", " + y);
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}
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else
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{
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return parcelList[parcelIDList[x / 4, y / 4]];
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}
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}
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#endregion
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#region Parcel Modification
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/// <summary>
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/// Subdivides a parcel
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/// </summary>
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/// <param name="start_x">West Point</param>
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/// <param name="start_y">South Point</param>
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/// <param name="end_x">East Point</param>
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/// <param name="end_y">North Point</param>
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/// <param name="attempting_user_id">LLUUID of user who is trying to subdivide</param>
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/// <returns>Returns true if successful</returns>
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private bool subdivide(int start_x, int start_y, int end_x, int end_y, LLUUID attempting_user_id)
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{
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//First, lets loop through the points and make sure they are all in the same parcel
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//Get the parcel at start
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Parcel startParcel = getParcel(start_x, start_y);
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if (startParcel == null) return false; //No such parcel at the beginning
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//Loop through the points
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try
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{
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int totalX = end_x - start_x;
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int totalY = end_y - start_y;
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int x, y;
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for (y = 0; y < totalY; y++)
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{
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for (x = 0; x < totalX; x++)
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{
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Parcel tempParcel = getParcel(start_x + x, start_y + y);
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if (tempParcel == null) return false; //No such parcel at that point
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if (tempParcel != startParcel) return false; //Subdividing over 2 parcels; no-no
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}
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}
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}
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catch (Exception)
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{
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return false; //Exception. For now, lets skip subdivision
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}
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//If we are still here, then they are subdividing within one parcel
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//Check owner
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if (startParcel.parcelData.ownerID != attempting_user_id)
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{
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return false; //They cant do this!
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}
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//Lets create a new parcel with bitmap activated at that point (keeping the old parcels info)
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Parcel newParcel = startParcel.Copy();
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newParcel.parcelData.parcelName = "Subdivision of " + newParcel.parcelData.parcelName;
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newParcel.parcelData.globalID = LLUUID.Random();
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newParcel.setParcelBitmap(Parcel.getSquareParcelBitmap(start_x, start_y, end_x, end_y));
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//Now, lets set the subdivision area of the original to false
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int startParcelIndex = startParcel.parcelData.localID;
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parcelList[startParcelIndex].setParcelBitmap(Parcel.modifyParcelBitmapSquare(startParcel.getParcelBitmap(), start_x, start_y, end_x, end_y, false));
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parcelList[startParcelIndex].forceUpdateParcelInfo();
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//Now add the new parcel
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addParcel(newParcel);
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return true;
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}
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/// <summary>
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/// Join 2 parcels together
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/// </summary>
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/// <param name="start_x">x value in first parcel</param>
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/// <param name="start_y">y value in first parcel</param>
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/// <param name="end_x">x value in second parcel</param>
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/// <param name="end_y">y value in second parcel</param>
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/// <param name="attempting_user_id">LLUUID of the avatar trying to join the parcels</param>
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/// <returns>Returns true if successful</returns>
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private bool join(int start_x, int start_y, int end_x, int end_y, LLUUID attempting_user_id)
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{
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end_x -= 4;
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end_y -= 4;
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//NOTE: The following only connects the parcels in each corner and not all the parcels that are within the selection box!
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//This should be fixed later -- somewhat "incomplete code" --Ming
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Parcel startParcel, endParcel;
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try
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{
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startParcel = getParcel(start_x, start_y);
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endParcel = getParcel(end_x, end_y);
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}
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catch (Exception)
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{
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return false; //Error occured when trying to get the start and end parcels
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}
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if (startParcel == endParcel)
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{
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return false; //Subdivision of the same parcel is not allowed
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}
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//Check the parcel owners:
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if (startParcel.parcelData.ownerID != endParcel.parcelData.ownerID)
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{
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return false;
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}
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if (startParcel.parcelData.ownerID != attempting_user_id)
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{
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//TODO: Group editing stuff. Avatar owner support for now
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return false;
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}
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//Same owners! Lets join them
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//Merge them to startParcel
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parcelList[startParcel.parcelData.localID].setParcelBitmap(Parcel.mergeParcelBitmaps(startParcel.getParcelBitmap(), endParcel.getParcelBitmap()));
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performFinalParcelJoin(startParcel, endParcel);
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return true;
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}
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#endregion
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#region Parcel Updating
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/// <summary>
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/// Where we send the ParcelOverlay packet to the client
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/// </summary>
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/// <param name="remote_client">The object representing the client</param>
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public void sendParcelOverlay(IClientAPI remote_client)
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{
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const int PARCEL_BLOCKS_PER_PACKET = 1024;
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int x, y = 0;
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byte[] byteArray = new byte[PARCEL_BLOCKS_PER_PACKET];
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int byteArrayCount = 0;
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int sequenceID = 0;
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ParcelOverlayPacket packet;
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for (y = 0; y < 64; y++)
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{
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for (x = 0; x < 64; x++)
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{
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byte tempByte = (byte)0; //This represents the byte for the current 4x4
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Parcel currentParcelBlock = getParcel(x * 4, y * 4);
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if (currentParcelBlock.parcelData.ownerID == remote_client.AgentId)
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{
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//Owner Flag
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tempByte = Convert.ToByte(tempByte | PARCEL_TYPE_OWNED_BY_REQUESTER);
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}
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else if (currentParcelBlock.parcelData.salePrice > 0 && (currentParcelBlock.parcelData.authBuyerID == LLUUID.Zero || currentParcelBlock.parcelData.authBuyerID == remote_client.AgentId))
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{
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//Sale Flag
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tempByte = Convert.ToByte(tempByte | PARCEL_TYPE_IS_FOR_SALE);
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}
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else if (currentParcelBlock.parcelData.ownerID == LLUUID.Zero)
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{
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//Public Flag
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tempByte = Convert.ToByte(tempByte | PARCEL_TYPE_PUBLIC);
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}
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else
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{
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//Other Flag
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tempByte = Convert.ToByte(tempByte | PARCEL_TYPE_OWNED_BY_OTHER);
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}
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//Now for border control
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if (x == 0)
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{
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tempByte = Convert.ToByte(tempByte | PARCEL_FLAG_PROPERTY_BORDER_WEST);
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}
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else if (getParcel((x - 1) * 4, y * 4) != currentParcelBlock)
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{
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tempByte = Convert.ToByte(tempByte | PARCEL_FLAG_PROPERTY_BORDER_WEST);
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}
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if (y == 0)
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{
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tempByte = Convert.ToByte(tempByte | PARCEL_FLAG_PROPERTY_BORDER_SOUTH);
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}
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else if (getParcel(x * 4, (y - 1) * 4) != currentParcelBlock)
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{
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tempByte = Convert.ToByte(tempByte | PARCEL_FLAG_PROPERTY_BORDER_SOUTH);
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}
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byteArray[byteArrayCount] = tempByte;
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byteArrayCount++;
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if (byteArrayCount >= PARCEL_BLOCKS_PER_PACKET)
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{
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byteArrayCount = 0;
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packet = new ParcelOverlayPacket();
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packet.ParcelData.Data = byteArray;
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packet.ParcelData.SequenceID = sequenceID;
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remote_client.OutPacket((Packet)packet);
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sequenceID++;
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byteArray = new byte[PARCEL_BLOCKS_PER_PACKET];
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}
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}
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}
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packet = new ParcelOverlayPacket();
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packet.ParcelData.Data = byteArray;
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packet.ParcelData.SequenceID = sequenceID; //Eh?
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remote_client.OutPacket((Packet)packet);
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}
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public void handleParcelPropertiesRequest(int start_x, int start_y, int end_x, int end_y, int sequence_id, bool snap_selection, IClientAPI remote_client)
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{
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//Get the parcels within the bounds
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List<Parcel> temp = new List<Parcel>();
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int x, y, i;
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int inc_x = end_x - start_x;
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int inc_y = end_y - start_y;
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for (x = 0; x < inc_x; x++)
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{
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for (y = 0; y < inc_y; y++)
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{
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OpenSim.Region.Parcel currentParcel = getParcel(start_x + x, start_y + y);
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if (!temp.Contains(currentParcel))
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{
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currentParcel.forceUpdateParcelInfo();
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temp.Add(currentParcel);
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}
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}
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}
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int requestResult = ParcelManager.PARCEL_RESULT_ONE_PARCEL;
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if (temp.Count > 1)
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{
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requestResult = ParcelManager.PARCEL_RESULT_MULTIPLE_PARCELS;
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}
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for (i = 0; i < temp.Count; i++)
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{
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temp[i].sendParcelProperties(sequence_id, snap_selection, requestResult, remote_client);
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}
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sendParcelOverlay(remote_client);
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}
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public void handleParcelPropertiesUpdateRequest(ParcelPropertiesUpdatePacket packet, IClientAPI remote_client)
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{
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if (parcelList.ContainsKey(packet.ParcelData.LocalID))
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{
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parcelList[packet.ParcelData.LocalID].updateParcelProperties(packet, remote_client);
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}
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}
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public void handleParcelDivideRequest(int west, int south, int east, int north, IClientAPI remote_client)
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{
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subdivide(west, south, east, north, remote_client.AgentId);
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}
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public void handleParcelJoinRequest(int west, int south, int east, int north, IClientAPI remote_client)
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{
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join(west, south, east, north, remote_client.AgentId);
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}
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#endregion
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/// <summary>
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/// Resets the sim to the default parcel (full sim parcel owned by the default user)
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/// </summary>
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public void resetSimParcels()
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{
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//Remove all the parcels in the sim and add a blank, full sim parcel set to public
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parcelList.Clear();
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lastParcelLocalID = START_PARCEL_LOCAL_ID - 1;
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parcelIDList.Initialize();
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Parcel fullSimParcel = new Parcel(LLUUID.Zero, false, m_world);
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fullSimParcel.setParcelBitmap(Parcel.getSquareParcelBitmap(0, 0, 256, 256));
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fullSimParcel.parcelData.parcelName = "Your Sim Parcel";
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fullSimParcel.parcelData.parcelDesc = "";
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fullSimParcel.parcelData.ownerID = m_regInfo.MasterAvatarAssignedUUID;
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fullSimParcel.parcelData.salePrice = 1;
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fullSimParcel.parcelData.parcelFlags = libsecondlife.Parcel.ParcelFlags.ForSale;
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fullSimParcel.parcelData.parcelStatus = libsecondlife.Parcel.ParcelStatus.Leased;
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addParcel(fullSimParcel);
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}
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#endregion
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}
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#endregion
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#region Parcel Class
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/// <summary>
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/// Keeps track of a specific parcel's information
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/// </summary>
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public class Parcel
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{
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#region Member Variables
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public ParcelData parcelData = new ParcelData();
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public Scene m_world;
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private bool[,] parcelBitmap = new bool[64, 64];
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#endregion
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#region Constructors
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public Parcel(LLUUID owner_id, bool is_group_owned, Scene world)
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{
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m_world = world;
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parcelData.ownerID = owner_id;
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parcelData.isGroupOwned = is_group_owned;
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}
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#endregion
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#region Member Functions
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#region General Functions
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/// <summary>
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/// Checks to see if this parcel contains a point
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/// </summary>
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/// <param name="x"></param>
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/// <param name="y"></param>
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/// <returns>Returns true if the parcel contains the specified point</returns>
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public bool containsPoint(int x, int y)
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{
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if (x >= 0 && y >= 0 && x <= 256 && x <= 256)
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{
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return (parcelBitmap[x / 4, y / 4] == true);
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}
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else
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{
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return false;
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}
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}
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public Parcel Copy()
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{
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Parcel newParcel = new Parcel(this.parcelData.ownerID, this.parcelData.isGroupOwned, m_world);
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//Place all new variables here!
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newParcel.parcelBitmap = (bool[,])(this.parcelBitmap.Clone());
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newParcel.parcelData = parcelData.Copy();
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return newParcel;
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}
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#endregion
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#region Packet Request Handling
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/// <summary>
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/// Sends parcel properties as requested
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/// </summary>
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/// <param name="sequence_id">ID sent by client for them to keep track of</param>
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/// <param name="snap_selection">Bool sent by client for them to use</param>
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/// <param name="remote_client">Object representing the client</param>
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public void sendParcelProperties(int sequence_id, bool snap_selection, int request_result, IClientAPI remote_client)
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{
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ParcelPropertiesPacket updatePacket = new ParcelPropertiesPacket();
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updatePacket.ParcelData.AABBMax = parcelData.AABBMax;
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updatePacket.ParcelData.AABBMin = parcelData.AABBMin;
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updatePacket.ParcelData.Area = parcelData.area;
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updatePacket.ParcelData.AuctionID = parcelData.auctionID;
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updatePacket.ParcelData.AuthBuyerID = parcelData.authBuyerID; //unemplemented
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updatePacket.ParcelData.Bitmap = parcelData.parcelBitmapByteArray;
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updatePacket.ParcelData.Desc = libsecondlife.Helpers.StringToField(parcelData.parcelDesc);
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updatePacket.ParcelData.Category = (byte)parcelData.category;
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updatePacket.ParcelData.ClaimDate = parcelData.claimDate;
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updatePacket.ParcelData.ClaimPrice = parcelData.claimPrice;
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updatePacket.ParcelData.GroupID = parcelData.groupID;
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updatePacket.ParcelData.GroupPrims = parcelData.groupPrims;
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updatePacket.ParcelData.IsGroupOwned = parcelData.isGroupOwned;
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updatePacket.ParcelData.LandingType = (byte)parcelData.landingType;
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updatePacket.ParcelData.LocalID = parcelData.localID;
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updatePacket.ParcelData.MaxPrims = 1000; //unemplemented
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updatePacket.ParcelData.MediaAutoScale = parcelData.mediaAutoScale;
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updatePacket.ParcelData.MediaID = parcelData.mediaID;
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updatePacket.ParcelData.MediaURL = Helpers.StringToField(parcelData.mediaURL);
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updatePacket.ParcelData.MusicURL = Helpers.StringToField(parcelData.musicURL);
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updatePacket.ParcelData.Name = Helpers.StringToField(parcelData.parcelName);
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updatePacket.ParcelData.OtherCleanTime = 0; //unemplemented
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updatePacket.ParcelData.OtherCount = 0; //unemplemented
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updatePacket.ParcelData.OtherPrims = 0; //unemplented
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updatePacket.ParcelData.OwnerID = parcelData.ownerID;
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updatePacket.ParcelData.OwnerPrims = 0; //unemplemented
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updatePacket.ParcelData.ParcelFlags = (uint)parcelData.parcelFlags; //unemplemented
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updatePacket.ParcelData.ParcelPrimBonus = (float)1.0; //unemplemented
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updatePacket.ParcelData.PassHours = parcelData.passHours;
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updatePacket.ParcelData.PassPrice = parcelData.passPrice;
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updatePacket.ParcelData.PublicCount = 0; //unemplemented
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updatePacket.ParcelData.RegionDenyAnonymous = false; //unemplemented
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updatePacket.ParcelData.RegionDenyIdentified = false; //unemplemented
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updatePacket.ParcelData.RegionDenyTransacted = false; //unemplemented
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updatePacket.ParcelData.RegionPushOverride = true; //unemplemented
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updatePacket.ParcelData.RentPrice = 0; //??
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updatePacket.ParcelData.RequestResult = request_result;
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updatePacket.ParcelData.SalePrice = parcelData.salePrice; //unemplemented
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updatePacket.ParcelData.SelectedPrims = 0; //unemeplemented
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updatePacket.ParcelData.SelfCount = 0;//unemplemented
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updatePacket.ParcelData.SequenceID = sequence_id;
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updatePacket.ParcelData.SimWideMaxPrims = 15000; //unemplemented
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updatePacket.ParcelData.SimWideTotalPrims = 0; //unemplemented
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updatePacket.ParcelData.SnapSelection = snap_selection;
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updatePacket.ParcelData.SnapshotID = parcelData.snapshotID;
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updatePacket.ParcelData.Status = (byte)parcelData.parcelStatus;
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updatePacket.ParcelData.TotalPrims = 0; //unemplemented
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updatePacket.ParcelData.UserLocation = parcelData.userLocation;
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updatePacket.ParcelData.UserLookAt = parcelData.userLookAt;
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remote_client.OutPacket((Packet)updatePacket);
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}
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public void updateParcelProperties(ParcelPropertiesUpdatePacket packet, IClientAPI remote_client)
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{
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if (remote_client.AgentId == parcelData.ownerID)
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{
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//Needs later group support
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parcelData.authBuyerID = packet.ParcelData.AuthBuyerID;
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parcelData.category = (libsecondlife.Parcel.ParcelCategory)packet.ParcelData.Category;
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parcelData.parcelDesc = Helpers.FieldToUTF8String(packet.ParcelData.Desc);
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parcelData.groupID = packet.ParcelData.GroupID;
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parcelData.landingType = packet.ParcelData.LandingType;
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parcelData.mediaAutoScale = packet.ParcelData.MediaAutoScale;
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parcelData.mediaID = packet.ParcelData.MediaID;
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parcelData.mediaURL = Helpers.FieldToUTF8String(packet.ParcelData.MediaURL);
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parcelData.musicURL = Helpers.FieldToUTF8String(packet.ParcelData.MusicURL);
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parcelData.parcelName = libsecondlife.Helpers.FieldToUTF8String(packet.ParcelData.Name);
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parcelData.parcelFlags = (libsecondlife.Parcel.ParcelFlags)packet.ParcelData.ParcelFlags;
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parcelData.passHours = packet.ParcelData.PassHours;
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parcelData.passPrice = packet.ParcelData.PassPrice;
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parcelData.salePrice = packet.ParcelData.SalePrice;
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parcelData.snapshotID = packet.ParcelData.SnapshotID;
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parcelData.userLocation = packet.ParcelData.UserLocation;
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parcelData.userLookAt = packet.ParcelData.UserLookAt;
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List<Avatar> avatars = m_world.RequestAvatarList();
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for (int i = 0; i < avatars.Count; i++)
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{
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Parcel over = m_world.parcelManager.getParcel((int)Math.Round(avatars[i].Pos.X), (int)Math.Round(avatars[i].Pos.Y));
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if (over == this)
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{
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sendParcelProperties(0, false, 0, avatars[i].ControllingClient);
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}
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}
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}
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}
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#endregion
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#region Update Functions
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/// <summary>
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/// Updates the AABBMin and AABBMax values after area/shape modification of parcel
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/// </summary>
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private void updateAABBAndAreaValues()
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{
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int min_x = 64;
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int min_y = 64;
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int max_x = 0;
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int max_y = 0;
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int tempArea = 0;
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int x, y;
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for (x = 0; x < 64; x++)
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{
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for (y = 0; y < 64; y++)
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{
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if (parcelBitmap[x, y] == true)
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{
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if (min_x > x) min_x = x;
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if (min_y > y) min_y = y;
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if (max_x < x) max_x = x;
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if (max_y < y) max_y = y;
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tempArea += 16; //16sqm parcel
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}
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}
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}
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parcelData.AABBMin = new LLVector3((float)(min_x * 4), (float)(min_y * 4), m_world.Terrain[(min_x * 4), (min_y * 4)]);
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parcelData.AABBMax = new LLVector3((float)(max_x * 4), (float)(max_y * 4), m_world.Terrain[(max_x * 4), (max_y * 4)]);
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parcelData.area = tempArea;
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}
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public void updateParcelBitmapByteArray()
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{
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parcelData.parcelBitmapByteArray = convertParcelBitmapToBytes();
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}
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/// <summary>
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/// Update all settings in parcel such as area, bitmap byte array, etc
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/// </summary>
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public void forceUpdateParcelInfo()
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{
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this.updateAABBAndAreaValues();
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this.updateParcelBitmapByteArray();
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}
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public void setParcelBitmapFromByteArray()
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{
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parcelBitmap = convertBytesToParcelBitmap();
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}
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#endregion
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#region Parcel Bitmap Functions
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/// <summary>
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/// Sets the parcel's bitmap manually
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/// </summary>
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/// <param name="bitmap">64x64 block representing where this parcel is on a map</param>
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public void setParcelBitmap(bool[,] bitmap)
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{
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if (bitmap.GetLength(0) != 64 || bitmap.GetLength(1) != 64 || bitmap.Rank != 2)
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{
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//Throw an exception - The bitmap is not 64x64
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throw new Exception("Error: Invalid Parcel Bitmap");
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}
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else
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{
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//Valid: Lets set it
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parcelBitmap = bitmap;
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forceUpdateParcelInfo();
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}
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}
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/// <summary>
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/// Gets the parcels bitmap manually
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/// </summary>
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/// <returns></returns>
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public bool[,] getParcelBitmap()
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{
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return parcelBitmap;
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}
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/// <summary>
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/// Converts the parcel bitmap to a packet friendly byte array
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/// </summary>
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/// <returns></returns>
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private byte[] convertParcelBitmapToBytes()
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{
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byte[] tempConvertArr = new byte[512];
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byte tempByte = 0;
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int x, y, i, byteNum = 0;
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i = 0;
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for (y = 0; y < 64; y++)
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{
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for (x = 0; x < 64; x++)
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{
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tempByte = Convert.ToByte(tempByte | Convert.ToByte(parcelBitmap[x, y]) << (i++ % 8));
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if (i % 8 == 0)
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{
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tempConvertArr[byteNum] = tempByte;
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tempByte = (byte)0;
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i = 0;
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byteNum++;
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}
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}
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}
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return tempConvertArr;
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}
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private bool[,] convertBytesToParcelBitmap()
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{
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bool[,] tempConvertMap = new bool[64, 64];
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tempConvertMap.Initialize();
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byte tempByte = 0;
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int x = 0, y = 0, i = 0, bitNum = 0;
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for (i = 0; i < 512; i++)
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{
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tempByte = parcelData.parcelBitmapByteArray[i];
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for (bitNum = 0; bitNum < 8; bitNum++)
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{
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bool bit = Convert.ToBoolean(Convert.ToByte(tempByte >> bitNum) & (byte)1);
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tempConvertMap[x, y] = bit;
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x++;
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if (x > 63)
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{
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x = 0;
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y++;
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}
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}
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}
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return tempConvertMap;
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}
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/// <summary>
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/// Full sim parcel creation
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/// </summary>
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/// <returns></returns>
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public static bool[,] basicFullRegionParcelBitmap()
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{
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return getSquareParcelBitmap(0, 0, 256, 256);
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}
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/// <summary>
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/// Used to modify the bitmap between the x and y points. Points use 64 scale
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/// </summary>
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/// <param name="start_x"></param>
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/// <param name="start_y"></param>
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/// <param name="end_x"></param>
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/// <param name="end_y"></param>
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/// <returns></returns>
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public static bool[,] getSquareParcelBitmap(int start_x, int start_y, int end_x, int end_y)
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{
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bool[,] tempBitmap = new bool[64, 64];
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tempBitmap.Initialize();
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tempBitmap = modifyParcelBitmapSquare(tempBitmap, start_x, start_y, end_x, end_y, true);
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return tempBitmap;
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}
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/// <summary>
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/// Change a parcel's bitmap at within a square and set those points to a specific value
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/// </summary>
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/// <param name="parcel_bitmap"></param>
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/// <param name="start_x"></param>
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/// <param name="start_y"></param>
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/// <param name="end_x"></param>
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/// <param name="end_y"></param>
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/// <param name="set_value"></param>
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/// <returns></returns>
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public static bool[,] modifyParcelBitmapSquare(bool[,] parcel_bitmap, int start_x, int start_y, int end_x, int end_y, bool set_value)
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{
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if (parcel_bitmap.GetLength(0) != 64 || parcel_bitmap.GetLength(1) != 64 || parcel_bitmap.Rank != 2)
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{
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//Throw an exception - The bitmap is not 64x64
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throw new Exception("Error: Invalid Parcel Bitmap in modifyParcelBitmapSquare()");
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}
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int x, y;
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for (y = 0; y < 64; y++)
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{
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for (x = 0; x < 64; x++)
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{
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if (x >= start_x / 4 && x < end_x / 4
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&& y >= start_y / 4 && y < end_y / 4)
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{
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parcel_bitmap[x, y] = set_value;
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}
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}
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}
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return parcel_bitmap;
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}
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/// <summary>
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/// Join the true values of 2 bitmaps together
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/// </summary>
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/// <param name="bitmap_base"></param>
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/// <param name="bitmap_add"></param>
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/// <returns></returns>
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public static bool[,] mergeParcelBitmaps(bool[,] bitmap_base, bool[,] bitmap_add)
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{
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if (bitmap_base.GetLength(0) != 64 || bitmap_base.GetLength(1) != 64 || bitmap_base.Rank != 2)
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{
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//Throw an exception - The bitmap is not 64x64
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throw new Exception("Error: Invalid Parcel Bitmap - Bitmap_base in mergeParcelBitmaps");
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}
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if (bitmap_add.GetLength(0) != 64 || bitmap_add.GetLength(1) != 64 || bitmap_add.Rank != 2)
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{
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//Throw an exception - The bitmap is not 64x64
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throw new Exception("Error: Invalid Parcel Bitmap - Bitmap_add in mergeParcelBitmaps");
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}
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int x, y;
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for (y = 0; y < 64; y++)
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{
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for (x = 0; x < 64; x++)
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{
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if (bitmap_add[x, y])
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{
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bitmap_base[x, y] = true;
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}
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}
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}
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return bitmap_base;
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}
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#endregion
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#endregion
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}
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#endregion
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}
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