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|
/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSimulator 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.Reflection;
using log4net;
using OpenMetaverse;
using OpenSim.Framework;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;
using RegionFlags = OpenMetaverse.RegionFlags;
namespace OpenSim.Region.CoreModules.World.Land
{
/// <summary>
/// Keeps track of a specific piece of land's information
/// </summary>
public class LandObject : ILandObject
{
#region Member Variables
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private static readonly string LogHeader = "[LAND OBJECT]";
private readonly int landUnit = 4;
private int m_lastSeqId = 0;
protected Scene m_scene;
protected List<SceneObjectGroup> primsOverMe = new List<SceneObjectGroup>();
protected Dictionary<uint, UUID> m_listTransactions = new Dictionary<uint, UUID>();
protected ExpiringCache<UUID, bool> m_groupMemberCache = new ExpiringCache<UUID, bool>();
protected TimeSpan m_groupMemberCacheTimeout = TimeSpan.FromSeconds(30); // cache invalidation after 30 seconds
public bool[,] LandBitmap { get; set; }
#endregion
public int GetPrimsFree()
{
m_scene.EventManager.TriggerParcelPrimCountUpdate();
int free = GetSimulatorMaxPrimCount() - LandData.SimwidePrims;
return free;
}
public LandData LandData { get; set; }
public IPrimCounts PrimCounts { get; set; }
public UUID RegionUUID
{
get { return m_scene.RegionInfo.RegionID; }
}
public Vector3 StartPoint
{
get
{
for (int y = 0; y < LandBitmap.GetLength(1); y++)
{
for (int x = 0; x < LandBitmap.GetLength(0); x++)
{
if (LandBitmap[x, y])
return new Vector3(x * landUnit, y * landUnit, 0);
}
}
m_log.ErrorFormat("{0} StartPoint. No start point found. bitmapSize=<{1},{2}>",
LogHeader, LandBitmap.GetLength(0), LandBitmap.GetLength(1));
return new Vector3(-1, -1, -1);
}
}
public Vector3 EndPoint
{
get
{
for (int y = LandBitmap.GetLength(1) - 1; y >= 0; y--)
{
for (int x = LandBitmap.GetLength(0) - 1; x >= 0; x--)
{
if (LandBitmap[x, y])
{
return new Vector3(x * landUnit + landUnit, y * landUnit + landUnit, 0);
}
}
}
m_log.ErrorFormat("{0} EndPoint. No end point found. bitmapSize=<{1},{2}>",
LogHeader, LandBitmap.GetLength(0), LandBitmap.GetLength(1));
return new Vector3(-1, -1, -1);
}
}
#region Constructors
public LandObject(LandData landData, Scene scene)
{
LandData = landData.Copy();
m_scene = scene;
}
public LandObject(UUID owner_id, bool is_group_owned, Scene scene)
{
m_scene = scene;
if (m_scene == null)
LandBitmap = new bool[Constants.RegionSize / landUnit, Constants.RegionSize / landUnit];
else
LandBitmap = new bool[m_scene.RegionInfo.RegionSizeX / landUnit, m_scene.RegionInfo.RegionSizeY / landUnit];
LandData = new LandData();
LandData.OwnerID = owner_id;
if (is_group_owned)
LandData.GroupID = owner_id;
else
LandData.GroupID = UUID.Zero;
LandData.IsGroupOwned = is_group_owned;
}
#endregion
#region Member Functions
#region General Functions
/// <summary>
/// Checks to see if this land object contains a point
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <returns>Returns true if the piece of land contains the specified point</returns>
public bool ContainsPoint(int x, int y)
{
if (x >= 0 && y >= 0 && x < m_scene.RegionInfo.RegionSizeX && y < m_scene.RegionInfo.RegionSizeY)
{
return LandBitmap[x / landUnit, y / landUnit];
}
else
{
return false;
}
}
public ILandObject Copy()
{
ILandObject newLand = new LandObject(LandData, m_scene);
newLand.LandBitmap = (bool[,]) (LandBitmap.Clone());
return newLand;
}
static overrideParcelMaxPrimCountDelegate overrideParcelMaxPrimCount;
static overrideSimulatorMaxPrimCountDelegate overrideSimulatorMaxPrimCount;
public void SetParcelObjectMaxOverride(overrideParcelMaxPrimCountDelegate overrideDel)
{
overrideParcelMaxPrimCount = overrideDel;
}
public void SetSimulatorObjectMaxOverride(overrideSimulatorMaxPrimCountDelegate overrideDel)
{
overrideSimulatorMaxPrimCount = overrideDel;
}
public int GetParcelMaxPrimCount()
{
if (overrideParcelMaxPrimCount != null)
{
return overrideParcelMaxPrimCount(this);
}
else
{
// Normal Calculations
int parcelMax = (int)(((float)LandData.Area / (m_scene.RegionInfo.RegionSizeX * m_scene.RegionInfo.RegionSizeY))
* (float)m_scene.RegionInfo.ObjectCapacity
* (float)m_scene.RegionInfo.RegionSettings.ObjectBonus);
// TODO: The calculation of ObjectBonus should be refactored. It does still not work in the same manner as SL!
return parcelMax;
}
}
public int GetSimulatorMaxPrimCount()
{
if (overrideSimulatorMaxPrimCount != null)
{
return overrideSimulatorMaxPrimCount(this);
}
else
{
//Normal Calculations
int simMax = (int)(((float)LandData.SimwideArea / (m_scene.RegionInfo.RegionSizeX * m_scene.RegionInfo.RegionSizeY))
* (float)m_scene.RegionInfo.ObjectCapacity);
return simMax;
}
}
#endregion
#region Packet Request Handling
public void SendLandProperties(int sequence_id, bool snap_selection, int request_result, IClientAPI remote_client)
{
IEstateModule estateModule = m_scene.RequestModuleInterface<IEstateModule>();
// uint regionFlags = 336723974 & ~((uint)(RegionFlags.AllowLandmark | RegionFlags.AllowSetHome));
uint regionFlags = (uint)(RegionFlags.PublicAllowed
| RegionFlags.AllowDirectTeleport
| RegionFlags.AllowParcelChanges
| RegionFlags.AllowVoice );
if (estateModule != null)
regionFlags = estateModule.GetRegionFlags();
int seq_id;
if (snap_selection && (sequence_id == 0))
{
seq_id = m_lastSeqId;
}
else
{
seq_id = sequence_id;
m_lastSeqId = seq_id;
}
remote_client.SendLandProperties(seq_id,
snap_selection, request_result, this,
(float)m_scene.RegionInfo.RegionSettings.ObjectBonus,
GetParcelMaxPrimCount(),
GetSimulatorMaxPrimCount(), regionFlags);
}
public void UpdateLandProperties(LandUpdateArgs args, IClientAPI remote_client)
{
//Needs later group support
bool snap_selection = false;
LandData newData = LandData.Copy();
uint allowedDelta = 0;
// These two are always blocked as no client can set them anyway
// ParcelFlags.ForSaleObjects
// ParcelFlags.LindenHome
if (m_scene.Permissions.CanEditParcelProperties(remote_client.AgentId, this, GroupPowers.LandOptions))
{
allowedDelta |= (uint)(ParcelFlags.AllowLandmark |
ParcelFlags.AllowTerraform |
ParcelFlags.AllowDamage |
ParcelFlags.CreateObjects |
ParcelFlags.RestrictPushObject |
ParcelFlags.AllowOtherScripts |
ParcelFlags.AllowGroupScripts |
ParcelFlags.CreateGroupObjects |
ParcelFlags.AllowAPrimitiveEntry |
ParcelFlags.AllowGroupObjectEntry |
ParcelFlags.AllowFly);
}
if (m_scene.Permissions.CanEditParcelProperties(remote_client.AgentId, this, GroupPowers.LandSetSale))
{
if (args.AuthBuyerID != newData.AuthBuyerID ||
args.SalePrice != newData.SalePrice)
{
snap_selection = true;
}
newData.AuthBuyerID = args.AuthBuyerID;
newData.SalePrice = args.SalePrice;
if (!LandData.IsGroupOwned)
{
newData.GroupID = args.GroupID;
allowedDelta |= (uint)(ParcelFlags.AllowDeedToGroup |
ParcelFlags.ContributeWithDeed |
ParcelFlags.SellParcelObjects);
}
allowedDelta |= (uint)ParcelFlags.ForSale;
}
if (m_scene.Permissions.CanEditParcelProperties(remote_client.AgentId,this, GroupPowers.FindPlaces))
{
newData.Category = args.Category;
allowedDelta |= (uint)(ParcelFlags.ShowDirectory |
ParcelFlags.AllowPublish |
ParcelFlags.MaturePublish);
}
if (m_scene.Permissions.CanEditParcelProperties(remote_client.AgentId,this, GroupPowers.LandChangeIdentity))
{
newData.Description = args.Desc;
newData.Name = args.Name;
newData.SnapshotID = args.SnapshotID;
}
if (m_scene.Permissions.CanEditParcelProperties(remote_client.AgentId,this, GroupPowers.SetLandingPoint))
{
newData.LandingType = args.LandingType;
newData.UserLocation = args.UserLocation;
newData.UserLookAt = args.UserLookAt;
}
if (m_scene.Permissions.CanEditParcelProperties(remote_client.AgentId,this, GroupPowers.ChangeMedia))
{
newData.MediaAutoScale = args.MediaAutoScale;
newData.MediaID = args.MediaID;
newData.MediaURL = args.MediaURL;
newData.MusicURL = args.MusicURL;
newData.MediaType = args.MediaType;
newData.MediaDescription = args.MediaDescription;
newData.MediaWidth = args.MediaWidth;
newData.MediaHeight = args.MediaHeight;
newData.MediaLoop = args.MediaLoop;
newData.ObscureMusic = args.ObscureMusic;
newData.ObscureMedia = args.ObscureMedia;
allowedDelta |= (uint)(ParcelFlags.SoundLocal |
ParcelFlags.UrlWebPage |
ParcelFlags.UrlRawHtml |
ParcelFlags.AllowVoiceChat |
ParcelFlags.UseEstateVoiceChan);
}
if (m_scene.Permissions.CanEditParcelProperties(remote_client.AgentId,this, GroupPowers.LandManagePasses))
{
newData.PassHours = args.PassHours;
newData.PassPrice = args.PassPrice;
allowedDelta |= (uint)ParcelFlags.UsePassList;
}
if (m_scene.Permissions.CanEditParcelProperties(remote_client.AgentId, this, GroupPowers.LandManageAllowed))
{
allowedDelta |= (uint)(ParcelFlags.UseAccessGroup |
ParcelFlags.UseAccessList);
}
if (m_scene.Permissions.CanEditParcelProperties(remote_client.AgentId, this, GroupPowers.LandManageBanned))
{
allowedDelta |= (uint)(ParcelFlags.UseBanList |
ParcelFlags.DenyAnonymous |
ParcelFlags.DenyAgeUnverified);
}
uint preserve = LandData.Flags & ~allowedDelta;
newData.Flags = preserve | (args.ParcelFlags & allowedDelta);
m_scene.LandChannel.UpdateLandObject(LandData.LocalID, newData);
SendLandUpdateToAvatarsOverMe(snap_selection);
}
public void UpdateLandSold(UUID avatarID, UUID groupID, bool groupOwned, uint AuctionID, int claimprice, int area)
{
LandData newData = LandData.Copy();
newData.OwnerID = avatarID;
newData.GroupID = groupID;
newData.IsGroupOwned = groupOwned;
//newData.auctionID = AuctionID;
newData.ClaimDate = Util.UnixTimeSinceEpoch();
newData.ClaimPrice = claimprice;
newData.SalePrice = 0;
newData.AuthBuyerID = UUID.Zero;
newData.Flags &= ~(uint) (ParcelFlags.ForSale | ParcelFlags.ForSaleObjects | ParcelFlags.SellParcelObjects | ParcelFlags.ShowDirectory);
bool sellObjects = (LandData.Flags & (uint)(ParcelFlags.SellParcelObjects)) != 0
&& !LandData.IsGroupOwned && !groupOwned;
UUID previousOwner = LandData.OwnerID;
m_scene.LandChannel.UpdateLandObject(LandData.LocalID, newData);
m_scene.EventManager.TriggerParcelPrimCountUpdate();
SendLandUpdateToAvatarsOverMe(true);
if (sellObjects) SellLandObjects(previousOwner);
}
public void DeedToGroup(UUID groupID)
{
LandData newData = LandData.Copy();
newData.OwnerID = groupID;
newData.GroupID = groupID;
newData.IsGroupOwned = true;
// Reset show in directory flag on deed
newData.Flags &= ~(uint) (ParcelFlags.ForSale | ParcelFlags.ForSaleObjects | ParcelFlags.SellParcelObjects | ParcelFlags.ShowDirectory);
m_scene.LandChannel.UpdateLandObject(LandData.LocalID, newData);
m_scene.EventManager.TriggerParcelPrimCountUpdate();
SendLandUpdateToAvatarsOverMe(true);
}
public bool IsEitherBannedOrRestricted(UUID avatar)
{
if (IsBannedFromLand(avatar))
{
return true;
}
else if (IsRestrictedFromLand(avatar))
{
return true;
}
return false;
}
public bool CanBeOnThisLand(UUID avatar, float posHeight)
{
if (posHeight < LandChannel.BAN_LINE_SAFETY_HIEGHT && IsBannedFromLand(avatar))
{
return false;
}
else if (IsRestrictedFromLand(avatar))
{
return false;
}
return true;
}
public bool HasGroupAccess(UUID avatar)
{
if (LandData.GroupID != UUID.Zero && (LandData.Flags & (uint)ParcelFlags.UseAccessGroup) == (uint)ParcelFlags.UseAccessGroup)
{
ScenePresence sp;
if (!m_scene.TryGetScenePresence(avatar, out sp))
{
bool isMember;
if (m_groupMemberCache.TryGetValue(avatar, out isMember))
{
m_groupMemberCache.Update(avatar, isMember, m_groupMemberCacheTimeout);
return isMember;
}
IGroupsModule groupsModule = m_scene.RequestModuleInterface<IGroupsModule>();
if (groupsModule == null)
return false;
GroupMembershipData[] membership = groupsModule.GetMembershipData(avatar);
if (membership == null || membership.Length == 0)
{
m_groupMemberCache.Add(avatar, false, m_groupMemberCacheTimeout);
return false;
}
foreach (GroupMembershipData d in membership)
{
if (d.GroupID == LandData.GroupID)
{
m_groupMemberCache.Add(avatar, true, m_groupMemberCacheTimeout);
return true;
}
}
m_groupMemberCache.Add(avatar, false, m_groupMemberCacheTimeout);
return false;
}
return sp.ControllingClient.IsGroupMember(LandData.GroupID);
}
return false;
}
public bool IsBannedFromLand(UUID avatar)
{
ExpireAccessList();
if (m_scene.Permissions.IsAdministrator(avatar))
return false;
if (m_scene.RegionInfo.EstateSettings.IsEstateManagerOrOwner(avatar))
return false;
if (avatar == LandData.OwnerID)
return false;
if ((LandData.Flags & (uint) ParcelFlags.UseBanList) > 0)
{
if (LandData.ParcelAccessList.FindIndex(
delegate(LandAccessEntry e)
{
if (e.AgentID == avatar && e.Flags == AccessList.Ban)
return true;
return false;
}) != -1)
{
return true;
}
}
return false;
}
public bool IsRestrictedFromLand(UUID avatar)
{
if ((LandData.Flags & (uint) ParcelFlags.UseAccessList) == 0)
return false;
if (m_scene.Permissions.IsAdministrator(avatar))
return false;
if (m_scene.RegionInfo.EstateSettings.IsEstateManagerOrOwner(avatar))
return false;
if (avatar == LandData.OwnerID)
return false;
if (HasGroupAccess(avatar))
return false;
return !IsInLandAccessList(avatar);
}
public bool IsInLandAccessList(UUID avatar)
{
ExpireAccessList();
if (LandData.ParcelAccessList.FindIndex(
delegate(LandAccessEntry e)
{
if (e.AgentID == avatar && e.Flags == AccessList.Access)
return true;
return false;
}) == -1)
{
return false;
}
return true;
}
public void SendLandUpdateToClient(IClientAPI remote_client)
{
SendLandProperties(0, false, 0, remote_client);
}
public void SendLandUpdateToClient(bool snap_selection, IClientAPI remote_client)
{
m_scene.EventManager.TriggerParcelPrimCountUpdate();
SendLandProperties(0, snap_selection, 0, remote_client);
}
public void SendLandUpdateToAvatarsOverMe()
{
SendLandUpdateToAvatarsOverMe(false);
}
public void SendLandUpdateToAvatarsOverMe(bool snap_selection)
{
m_scene.ForEachRootScenePresence(delegate(ScenePresence avatar)
{
ILandObject over = null;
try
{
over =
m_scene.LandChannel.GetLandObject(Util.Clamp<int>((int)Math.Round(avatar.AbsolutePosition.X), 0, ((int)m_scene.RegionInfo.RegionSizeX - 1)),
Util.Clamp<int>((int)Math.Round(avatar.AbsolutePosition.Y), 0, ((int)m_scene.RegionInfo.RegionSizeY - 1)));
}
catch (Exception)
{
m_log.Warn("[LAND]: " + "unable to get land at x: " + Math.Round(avatar.AbsolutePosition.X) + " y: " +
Math.Round(avatar.AbsolutePosition.Y));
}
if (over != null)
{
if (over.LandData.LocalID == LandData.LocalID)
{
if (((over.LandData.Flags & (uint)ParcelFlags.AllowDamage) != 0) &&
m_scene.RegionInfo.RegionSettings.AllowDamage)
avatar.Invulnerable = false;
else
avatar.Invulnerable = true;
SendLandUpdateToClient(snap_selection, avatar.ControllingClient);
}
}
});
}
#endregion
#region AccessList Functions
public List<LandAccessEntry> CreateAccessListArrayByFlag(AccessList flag)
{
ExpireAccessList();
List<LandAccessEntry> list = new List<LandAccessEntry>();
foreach (LandAccessEntry entry in LandData.ParcelAccessList)
{
if (entry.Flags == flag)
list.Add(entry);
}
if (list.Count == 0)
{
LandAccessEntry e = new LandAccessEntry();
e.AgentID = UUID.Zero;
e.Flags = 0;
e.Expires = 0;
list.Add(e);
}
return list;
}
public void SendAccessList(UUID agentID, UUID sessionID, uint flags, int sequenceID,
IClientAPI remote_client)
{
if (flags == (uint) AccessList.Access || flags == (uint) AccessList.Both)
{
List<LandAccessEntry> accessEntries = CreateAccessListArrayByFlag(AccessList.Access);
remote_client.SendLandAccessListData(accessEntries,(uint) AccessList.Access,LandData.LocalID);
}
if (flags == (uint) AccessList.Ban || flags == (uint) AccessList.Both)
{
List<LandAccessEntry> accessEntries = CreateAccessListArrayByFlag(AccessList.Ban);
remote_client.SendLandAccessListData(accessEntries, (uint)AccessList.Ban, LandData.LocalID);
}
}
public void UpdateAccessList(uint flags, UUID transactionID,
int sequenceID, int sections,
List<LandAccessEntry> entries,
IClientAPI remote_client)
{
LandData newData = LandData.Copy();
if ((!m_listTransactions.ContainsKey(flags)) ||
m_listTransactions[flags] != transactionID)
{
m_listTransactions[flags] = transactionID;
List<LandAccessEntry> toRemove =
new List<LandAccessEntry>();
foreach (LandAccessEntry entry in newData.ParcelAccessList)
{
if (entry.Flags == (AccessList)flags)
toRemove.Add(entry);
}
foreach (LandAccessEntry entry in toRemove)
{
newData.ParcelAccessList.Remove(entry);
}
// Checked here because this will always be the first
// and only packet in a transaction
if (entries.Count == 1 && entries[0].AgentID == UUID.Zero)
{
m_scene.LandChannel.UpdateLandObject(LandData.LocalID, newData);
return;
}
}
foreach (LandAccessEntry entry in entries)
{
LandAccessEntry temp =
new LandAccessEntry();
temp.AgentID = entry.AgentID;
temp.Expires = entry.Expires;
temp.Flags = (AccessList)flags;
newData.ParcelAccessList.Add(temp);
}
m_scene.LandChannel.UpdateLandObject(LandData.LocalID, newData);
}
#endregion
#region Update Functions
public void UpdateLandBitmapByteArray()
{
LandData.Bitmap = ConvertLandBitmapToBytes();
}
/// <summary>
/// Update all settings in land such as area, bitmap byte array, etc
/// </summary>
public void ForceUpdateLandInfo()
{
UpdateAABBAndAreaValues();
UpdateLandBitmapByteArray();
}
public void SetLandBitmapFromByteArray()
{
LandBitmap = ConvertBytesToLandBitmap();
}
/// <summary>
/// Updates the AABBMin and AABBMax values after area/shape modification of the land object
/// </summary>
private void UpdateAABBAndAreaValues()
{
int min_x = 10000;
int min_y = 10000;
int max_x = 0;
int max_y = 0;
int tempArea = 0;
int x, y;
for (x = 0; x < LandBitmap.GetLength(0); x++)
{
for (y = 0; y < LandBitmap.GetLength(1); y++)
{
if (LandBitmap[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 += landUnit * landUnit; //16sqm peice of land
}
}
}
int tx = min_x * landUnit;
if (tx > ((int)m_scene.RegionInfo.RegionSizeX - 1))
tx = ((int)m_scene.RegionInfo.RegionSizeX - 1);
int ty = min_y * landUnit;
if (ty > ((int)m_scene.RegionInfo.RegionSizeY - 1))
ty = ((int)m_scene.RegionInfo.RegionSizeY - 1);
LandData.AABBMin =
new Vector3(
(float)(min_x * landUnit), (float)(min_y * landUnit), m_scene != null ? (float)m_scene.Heightmap[tx, ty] : 0);
tx = max_x * landUnit;
if (tx > ((int)m_scene.RegionInfo.RegionSizeX - 1))
tx = ((int)m_scene.RegionInfo.RegionSizeX - 1);
ty = max_y * landUnit;
if (ty > ((int)m_scene.RegionInfo.RegionSizeY - 1))
ty = ((int)m_scene.RegionInfo.RegionSizeY - 1);
LandData.AABBMax
= new Vector3(
(float)(max_x * landUnit), (float)(max_y * landUnit), m_scene != null ? (float)m_scene.Heightmap[tx, ty] : 0);
LandData.Area = tempArea;
}
#endregion
#region Land Bitmap Functions
/// <summary>
/// Sets the land's bitmap manually
/// </summary>
/// <param name="bitmap">block representing where this land is on a map mapped in a 4x4 meter grid</param>
public void SetLandBitmap(bool[,] bitmap)
{
LandBitmap = bitmap;
// m_log.DebugFormat("{0} SetLandBitmap. BitmapSize=<{1},{2}>", LogHeader, LandBitmap.GetLength(0), LandBitmap.GetLength(1));
ForceUpdateLandInfo();
}
/// <summary>
/// Gets the land's bitmap manually
/// </summary>
/// <returns></returns>
public bool[,] GetLandBitmap()
{
return LandBitmap;
}
public bool[,] BasicFullRegionLandBitmap()
{
return GetSquareLandBitmap(0, 0, (int)m_scene.RegionInfo.RegionSizeX, (int) m_scene.RegionInfo.RegionSizeY);
}
public bool[,] GetSquareLandBitmap(int start_x, int start_y, int end_x, int end_y)
{
// Empty bitmap for the whole region
bool[,] tempBitmap = new bool[m_scene.RegionInfo.RegionSizeX / landUnit, m_scene.RegionInfo.RegionSizeY / landUnit];
tempBitmap.Initialize();
// Fill the bitmap square area specified by state and end
tempBitmap = ModifyLandBitmapSquare(tempBitmap, start_x, start_y, end_x, end_y, true);
// m_log.DebugFormat("{0} GetSquareLandBitmap. tempBitmapSize=<{1},{2}>",
// LogHeader, tempBitmap.GetLength(0), tempBitmap.GetLength(1));
return tempBitmap;
}
/// <summary>
/// Change a land bitmap at within a square and set those points to a specific value
/// </summary>
/// <param name="land_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 bool[,] ModifyLandBitmapSquare(bool[,] land_bitmap, int start_x, int start_y, int end_x, int end_y,
bool set_value)
{
int x, y;
for (y = 0; y < land_bitmap.GetLength(1); y++)
{
for (x = 0; x < land_bitmap.GetLength(0); x++)
{
if (x >= start_x / landUnit && x < end_x / landUnit
&& y >= start_y / landUnit && y < end_y / landUnit)
{
land_bitmap[x, y] = set_value;
}
}
}
// m_log.DebugFormat("{0} ModifyLandBitmapSquare. startXY=<{1},{2}>, endXY=<{3},{4}>, val={5}, landBitmapSize=<{6},{7}>",
// LogHeader, start_x, start_y, end_x, end_y, set_value, land_bitmap.GetLength(0), land_bitmap.GetLength(1));
return land_bitmap;
}
/// <summary>
/// Join the true values of 2 bitmaps together
/// </summary>
/// <param name="bitmap_base"></param>
/// <param name="bitmap_add"></param>
/// <returns></returns>
public bool[,] MergeLandBitmaps(bool[,] bitmap_base, bool[,] bitmap_add)
{
if (bitmap_base.GetLength(0) != bitmap_add.GetLength(0)
|| bitmap_base.GetLength(1) != bitmap_add.GetLength(1)
|| bitmap_add.Rank != 2
|| bitmap_base.Rank != 2)
{
throw new Exception(
String.Format("{0} MergeLandBitmaps. merging maps not same size. baseSizeXY=<{1},{2}>, addSizeXY=<{3},{4}>",
LogHeader, bitmap_base.GetLength(0), bitmap_base.GetLength(1), bitmap_add.GetLength(0), bitmap_add.GetLength(1))
);
}
int x, y;
for (y = 0; y < bitmap_base.GetLength(1); y++)
{
for (x = 0; x < bitmap_add.GetLength(0); x++)
{
if (bitmap_add[x, y])
{
bitmap_base[x, y] = true;
}
}
}
return bitmap_base;
}
/// <summary>
/// Converts the land bitmap to a packet friendly byte array
/// </summary>
/// <returns></returns>
private byte[] ConvertLandBitmapToBytes()
{
byte[] tempConvertArr = new byte[LandBitmap.GetLength(0) * LandBitmap.GetLength(1) / 8];
byte tempByte = 0;
int byteNum = 0;
int i = 0;
for (int y = 0; y < LandBitmap.GetLength(1); y++)
{
for (int x = 0; x < LandBitmap.GetLength(0); x++)
{
tempByte = Convert.ToByte(tempByte | Convert.ToByte(LandBitmap[x, y]) << (i++ % 8));
if (i % 8 == 0)
{
tempConvertArr[byteNum] = tempByte;
tempByte = (byte) 0;
i = 0;
byteNum++;
}
}
}
// m_log.DebugFormat("{0} ConvertLandBitmapToBytes. BitmapSize=<{1},{2}>",
// LogHeader, LandBitmap.GetLength(0), LandBitmap.GetLength(1));
return tempConvertArr;
}
private bool[,] ConvertBytesToLandBitmap()
{
bool[,] tempConvertMap = new bool[m_scene.RegionInfo.RegionSizeX / landUnit, m_scene.RegionInfo.RegionSizeY / landUnit];
tempConvertMap.Initialize();
byte tempByte = 0;
// Math.Min overcomes an old bug that might have made it into the database. Only use the bytes that fit into convertMap.
int bitmapLen = Math.Min(LandData.Bitmap.Length, tempConvertMap.GetLength(0) * tempConvertMap.GetLength(1) / 8);
int xLen = (int)(m_scene.RegionInfo.RegionSizeX / landUnit);
if (bitmapLen == 512)
{
// Legacy bitmap being passed in. Use the legacy region size
// and only set the lower area of the larger region.
xLen = (int)(Constants.RegionSize / landUnit);
}
// m_log.DebugFormat("{0} ConvertBytesToLandBitmap: bitmapLen={1}, xLen={2}", LogHeader, bitmapLen, xLen);
int x = 0, y = 0;
for (int i = 0; i < bitmapLen; i++)
{
tempByte = LandData.Bitmap[i];
for (int bitNum = 0; bitNum < 8; bitNum++)
{
bool bit = Convert.ToBoolean(Convert.ToByte(tempByte >> bitNum) & (byte) 1);
try
{
tempConvertMap[x, y] = bit;
}
catch (Exception)
{
m_log.DebugFormat("{0} ConvertBytestoLandBitmap: i={1}, x={2}, y={3}", LogHeader, i, x, y);
}
x++;
if (x >= xLen)
{
x = 0;
y++;
}
}
}
return tempConvertMap;
}
#endregion
#region Object Select and Object Owner Listing
public void SendForceObjectSelect(int local_id, int request_type, List<UUID> returnIDs, IClientAPI remote_client)
{
if (m_scene.Permissions.CanEditParcelProperties(remote_client.AgentId, this, GroupPowers.LandOptions))
{
List<uint> resultLocalIDs = new List<uint>();
try
{
lock (primsOverMe)
{
foreach (SceneObjectGroup obj in primsOverMe)
{
if (obj.LocalId > 0)
{
if (request_type == LandChannel.LAND_SELECT_OBJECTS_OWNER && obj.OwnerID == LandData.OwnerID)
{
resultLocalIDs.Add(obj.LocalId);
}
else if (request_type == LandChannel.LAND_SELECT_OBJECTS_GROUP && obj.GroupID == LandData.GroupID && LandData.GroupID != UUID.Zero)
{
resultLocalIDs.Add(obj.LocalId);
}
else if (request_type == LandChannel.LAND_SELECT_OBJECTS_OTHER &&
obj.OwnerID != remote_client.AgentId)
{
resultLocalIDs.Add(obj.LocalId);
}
else if (request_type == (int)ObjectReturnType.List && returnIDs.Contains(obj.OwnerID))
{
resultLocalIDs.Add(obj.LocalId);
}
}
}
}
} catch (InvalidOperationException)
{
m_log.Error("[LAND]: Unable to force select the parcel objects. Arr.");
}
remote_client.SendForceClientSelectObjects(resultLocalIDs);
}
}
/// <summary>
/// Notify the parcel owner each avatar that owns prims situated on their land. This notification includes
/// aggreagete details such as the number of prims.
///
/// </summary>
/// <param name="remote_client">
/// A <see cref="IClientAPI"/>
/// </param>
public void SendLandObjectOwners(IClientAPI remote_client)
{
if (m_scene.Permissions.CanEditParcelProperties(remote_client.AgentId, this, GroupPowers.LandOptions))
{
Dictionary<UUID, int> primCount = new Dictionary<UUID, int>();
List<UUID> groups = new List<UUID>();
lock (primsOverMe)
{
// m_log.DebugFormat(
// "[LAND OBJECT]: Request for SendLandObjectOwners() from {0} with {1} known prims on region",
// remote_client.Name, primsOverMe.Count);
try
{
foreach (SceneObjectGroup obj in primsOverMe)
{
try
{
if (!primCount.ContainsKey(obj.OwnerID))
{
primCount.Add(obj.OwnerID, 0);
}
}
catch (NullReferenceException)
{
m_log.Error("[LAND]: " + "Got Null Reference when searching land owners from the parcel panel");
}
try
{
primCount[obj.OwnerID] += obj.PrimCount;
}
catch (KeyNotFoundException)
{
m_log.Error("[LAND]: Unable to match a prim with it's owner.");
}
if (obj.OwnerID == obj.GroupID && (!groups.Contains(obj.OwnerID)))
groups.Add(obj.OwnerID);
}
}
catch (InvalidOperationException)
{
m_log.Error("[LAND]: Unable to Enumerate Land object arr.");
}
}
remote_client.SendLandObjectOwners(LandData, groups, primCount);
}
}
public Dictionary<UUID, int> GetLandObjectOwners()
{
Dictionary<UUID, int> ownersAndCount = new Dictionary<UUID, int>();
lock (primsOverMe)
{
try
{
foreach (SceneObjectGroup obj in primsOverMe)
{
if (!ownersAndCount.ContainsKey(obj.OwnerID))
{
ownersAndCount.Add(obj.OwnerID, 0);
}
ownersAndCount[obj.OwnerID] += obj.PrimCount;
}
}
catch (InvalidOperationException)
{
m_log.Error("[LAND]: Unable to enumerate land owners. arr.");
}
}
return ownersAndCount;
}
#endregion
#region Object Sales
public void SellLandObjects(UUID previousOwner)
{
// m_log.DebugFormat(
// "[LAND OBJECT]: Request to sell objects in {0} from {1}", LandData.Name, previousOwner);
if (LandData.IsGroupOwned)
return;
IBuySellModule m_BuySellModule = m_scene.RequestModuleInterface<IBuySellModule>();
if (m_BuySellModule == null)
{
m_log.Error("[LAND OBJECT]: BuySellModule not found");
return;
}
ScenePresence sp;
if (!m_scene.TryGetScenePresence(LandData.OwnerID, out sp))
{
m_log.Error("[LAND OBJECT]: New owner is not present in scene");
return;
}
lock (primsOverMe)
{
foreach (SceneObjectGroup obj in primsOverMe)
{
if (obj.OwnerID == previousOwner && obj.GroupID == UUID.Zero &&
(obj.GetEffectivePermissions() & (uint)(OpenSim.Framework.PermissionMask.Transfer)) != 0)
m_BuySellModule.BuyObject(sp.ControllingClient, UUID.Zero, obj.LocalId, 1, 0);
}
}
}
#endregion
#region Object Returning
public void ReturnObject(SceneObjectGroup obj)
{
SceneObjectGroup[] objs = new SceneObjectGroup[1];
objs[0] = obj;
m_scene.returnObjects(objs, obj.OwnerID);
}
public void ReturnLandObjects(uint type, UUID[] owners, UUID[] tasks, IClientAPI remote_client)
{
// m_log.DebugFormat(
// "[LAND OBJECT]: Request to return objects in {0} from {1}", LandData.Name, remote_client.Name);
Dictionary<UUID,List<SceneObjectGroup>> returns = new Dictionary<UUID,List<SceneObjectGroup>>();
lock (primsOverMe)
{
if (type == (uint)ObjectReturnType.Owner)
{
foreach (SceneObjectGroup obj in primsOverMe)
{
if (obj.OwnerID == LandData.OwnerID)
{
if (!returns.ContainsKey(obj.OwnerID))
returns[obj.OwnerID] =
new List<SceneObjectGroup>();
returns[obj.OwnerID].Add(obj);
}
}
}
else if (type == (uint)ObjectReturnType.Group && LandData.GroupID != UUID.Zero)
{
foreach (SceneObjectGroup obj in primsOverMe)
{
if (obj.GroupID == LandData.GroupID)
{
if (!returns.ContainsKey(obj.OwnerID))
returns[obj.OwnerID] =
new List<SceneObjectGroup>();
returns[obj.OwnerID].Add(obj);
}
}
}
else if (type == (uint)ObjectReturnType.Other)
{
foreach (SceneObjectGroup obj in primsOverMe)
{
if (obj.OwnerID != LandData.OwnerID &&
(obj.GroupID != LandData.GroupID ||
LandData.GroupID == UUID.Zero))
{
if (!returns.ContainsKey(obj.OwnerID))
returns[obj.OwnerID] =
new List<SceneObjectGroup>();
returns[obj.OwnerID].Add(obj);
}
}
}
else if (type == (uint)ObjectReturnType.List)
{
List<UUID> ownerlist = new List<UUID>(owners);
foreach (SceneObjectGroup obj in primsOverMe)
{
if (ownerlist.Contains(obj.OwnerID))
{
if (!returns.ContainsKey(obj.OwnerID))
returns[obj.OwnerID] =
new List<SceneObjectGroup>();
returns[obj.OwnerID].Add(obj);
}
}
}
}
foreach (List<SceneObjectGroup> ol in returns.Values)
{
if (m_scene.Permissions.CanReturnObjects(this, remote_client.AgentId, ol))
m_scene.returnObjects(ol.ToArray(), remote_client.AgentId);
}
}
#endregion
#region Object Adding/Removing from Parcel
public void ResetOverMeRecord()
{
lock (primsOverMe)
primsOverMe.Clear();
}
public void AddPrimOverMe(SceneObjectGroup obj)
{
// m_log.DebugFormat("[LAND OBJECT]: Adding scene object {0} {1} over {2}", obj.Name, obj.LocalId, LandData.Name);
lock (primsOverMe)
primsOverMe.Add(obj);
}
public void RemovePrimFromOverMe(SceneObjectGroup obj)
{
// m_log.DebugFormat("[LAND OBJECT]: Removing scene object {0} {1} from over {2}", obj.Name, obj.LocalId, LandData.Name);
lock (primsOverMe)
primsOverMe.Remove(obj);
}
#endregion
/// <summary>
/// Set the media url for this land parcel
/// </summary>
/// <param name="url"></param>
public void SetMediaUrl(string url)
{
LandData.MediaURL = url;
SendLandUpdateToAvatarsOverMe();
}
/// <summary>
/// Set the music url for this land parcel
/// </summary>
/// <param name="url"></param>
public void SetMusicUrl(string url)
{
LandData.MusicURL = url;
SendLandUpdateToAvatarsOverMe();
}
/// <summary>
/// Get the music url for this land parcel
/// </summary>
/// <returns>The music url.</returns>
public string GetMusicUrl()
{
return LandData.MusicURL;
}
#endregion
private void ExpireAccessList()
{
List<LandAccessEntry> delete = new List<LandAccessEntry>();
foreach (LandAccessEntry entry in LandData.ParcelAccessList)
{
if (entry.Expires != 0 && entry.Expires < Util.UnixTimeSinceEpoch())
delete.Add(entry);
}
foreach (LandAccessEntry entry in delete)
LandData.ParcelAccessList.Remove(entry);
if (delete.Count > 0)
m_scene.EventManager.TriggerLandObjectUpdated((uint)LandData.LocalID, this);
}
}
}
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