Files
opensim/OpenSim/OpenSim.Region/ParcelManager.cs
MW 3e484d1aaf Renamed Avatar to ScenePresence to avoid clash with libsl Avatar class.
Added ThirdPartyLicenses folder containing the licenses for the various third party libraries we use.
Plus some other small changes.
2007-06-20 17:32:21 +00:00

893 lines
36 KiB
C#

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