/*
* 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:
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* 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
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*
*/
using System;
using System.Collections.Generic;
using libsecondlife;
using libsecondlife.Packets;
using OpenSim.Framework;
using OpenSim.Region.Environment.Scenes;
namespace OpenSim.Region.Environment.LandManagement
{
#region Parcel Class
///
/// Keeps track of a specific piece of land's information
///
public class Land
{
#region Member Variables
public LandData landData = new LandData();
public List primsOverMe = new List();
public List parcelAccessList = new List();
public Scene m_scene;
private bool[,] landBitmap = new bool[64,64];
#endregion
#region Constructors
public Land(LLUUID owner_id, bool is_group_owned, Scene scene)
{
m_scene = scene;
landData.ownerID = owner_id;
landData.isGroupOwned = is_group_owned;
}
#endregion
#region Member Functions
#region General Functions
///
/// Checks to see if this land object contains a point
///
///
///
/// Returns true if the piece of land contains the specified point
public bool containsPoint(int x, int y)
{
if (x >= 0 && y >= 0 && x <= 256 && x <= 256)
{
return (landBitmap[x/4, y/4] == true);
}
else
{
return false;
}
}
public Land Copy()
{
Land newLand = new Land(landData.ownerID, landData.isGroupOwned, m_scene);
//Place all new variables here!
newLand.landBitmap = (bool[,]) (landBitmap.Clone());
newLand.landData = landData.Copy();
return newLand;
}
#endregion
#region Packet Request Handling
///
/// Sends land properties as requested
///
/// ID sent by client for them to keep track of
/// Bool sent by client for them to use
/// Object representing the client
public void sendLandProperties(int sequence_id, bool snap_selection, int request_result,
IClientAPI remote_client)
{
ParcelPropertiesPacket updatePacket = new ParcelPropertiesPacket();
updatePacket.ParcelData.AABBMax = landData.AABBMax;
updatePacket.ParcelData.AABBMin = landData.AABBMin;
updatePacket.ParcelData.Area = landData.area;
updatePacket.ParcelData.AuctionID = landData.auctionID;
updatePacket.ParcelData.AuthBuyerID = landData.authBuyerID; //unemplemented
updatePacket.ParcelData.Bitmap = landData.landBitmapByteArray;
updatePacket.ParcelData.Desc = Helpers.StringToField(landData.landDesc);
updatePacket.ParcelData.Category = (byte) landData.category;
updatePacket.ParcelData.ClaimDate = landData.claimDate;
updatePacket.ParcelData.ClaimPrice = landData.claimPrice;
updatePacket.ParcelData.GroupID = landData.groupID;
updatePacket.ParcelData.GroupPrims = landData.groupPrims;
updatePacket.ParcelData.IsGroupOwned = landData.isGroupOwned;
updatePacket.ParcelData.LandingType = (byte) landData.landingType;
updatePacket.ParcelData.LocalID = landData.localID;
if (landData.area > 0)
{
updatePacket.ParcelData.MaxPrims =
Convert.ToInt32(
Math.Round((Convert.ToDecimal(landData.area)/Convert.ToDecimal(65536))*15000*
Convert.ToDecimal(m_scene.RegionInfo.EstateSettings.objectBonusFactor)));
}
else
{
updatePacket.ParcelData.MaxPrims = 0;
}
updatePacket.ParcelData.MediaAutoScale = landData.mediaAutoScale;
updatePacket.ParcelData.MediaID = landData.mediaID;
updatePacket.ParcelData.MediaURL = Helpers.StringToField(landData.mediaURL);
updatePacket.ParcelData.MusicURL = Helpers.StringToField(landData.musicURL);
updatePacket.ParcelData.Name = Helpers.StringToField(landData.landName);
updatePacket.ParcelData.OtherCleanTime = 0; //unemplemented
updatePacket.ParcelData.OtherCount = 0; //unemplemented
updatePacket.ParcelData.OtherPrims = landData.otherPrims;
updatePacket.ParcelData.OwnerID = landData.ownerID;
updatePacket.ParcelData.OwnerPrims = landData.ownerPrims;
updatePacket.ParcelData.ParcelFlags = landData.landFlags;
updatePacket.ParcelData.ParcelPrimBonus = m_scene.RegionInfo.EstateSettings.objectBonusFactor;
updatePacket.ParcelData.PassHours = landData.passHours;
updatePacket.ParcelData.PassPrice = landData.passPrice;
updatePacket.ParcelData.PublicCount = 0; //unemplemented
uint regionFlags = (uint) m_scene.RegionInfo.EstateSettings.regionFlags;
updatePacket.ParcelData.RegionDenyAnonymous = ((regionFlags & (uint) Simulator.RegionFlags.DenyAnonymous) >
0);
updatePacket.ParcelData.RegionDenyIdentified = ((regionFlags & (uint) Simulator.RegionFlags.DenyIdentified) >
0);
updatePacket.ParcelData.RegionDenyTransacted = ((regionFlags & (uint) Simulator.RegionFlags.DenyTransacted) >
0);
updatePacket.ParcelData.RegionPushOverride = ((regionFlags & (uint) Simulator.RegionFlags.RestrictPushObject) >
0);
updatePacket.ParcelData.RentPrice = 0;
updatePacket.ParcelData.RequestResult = request_result;
updatePacket.ParcelData.SalePrice = landData.salePrice;
updatePacket.ParcelData.SelectedPrims = landData.selectedPrims;
updatePacket.ParcelData.SelfCount = 0; //unemplemented
updatePacket.ParcelData.SequenceID = sequence_id;
if (landData.simwideArea > 0)
{
updatePacket.ParcelData.SimWideMaxPrims =
Convert.ToInt32(
Math.Round((Convert.ToDecimal(landData.simwideArea)/Convert.ToDecimal(65536))*15000*
Convert.ToDecimal(m_scene.RegionInfo.EstateSettings.objectBonusFactor)));
}
else
{
updatePacket.ParcelData.SimWideMaxPrims = 0;
}
updatePacket.ParcelData.SimWideTotalPrims = landData.simwidePrims;
updatePacket.ParcelData.SnapSelection = snap_selection;
updatePacket.ParcelData.SnapshotID = landData.snapshotID;
updatePacket.ParcelData.Status = (byte) landData.landStatus;
updatePacket.ParcelData.TotalPrims = landData.ownerPrims + landData.groupPrims + landData.otherPrims +
landData.selectedPrims;
updatePacket.ParcelData.UserLocation = landData.userLocation;
updatePacket.ParcelData.UserLookAt = landData.userLookAt;
remote_client.OutPacket((Packet) updatePacket, ThrottleOutPacketType.Task);
}
public void updateLandProperties(ParcelPropertiesUpdatePacket packet, IClientAPI remote_client)
{
if (remote_client.AgentId == landData.ownerID)
{
//Needs later group support
landData.authBuyerID = packet.ParcelData.AuthBuyerID;
landData.category = (Parcel.ParcelCategory) packet.ParcelData.Category;
landData.landDesc = Helpers.FieldToUTF8String(packet.ParcelData.Desc);
landData.groupID = packet.ParcelData.GroupID;
landData.landingType = packet.ParcelData.LandingType;
landData.mediaAutoScale = packet.ParcelData.MediaAutoScale;
landData.mediaID = packet.ParcelData.MediaID;
landData.mediaURL = Helpers.FieldToUTF8String(packet.ParcelData.MediaURL);
landData.musicURL = Helpers.FieldToUTF8String(packet.ParcelData.MusicURL);
landData.landName = Helpers.FieldToUTF8String(packet.ParcelData.Name);
landData.landFlags = packet.ParcelData.ParcelFlags;
landData.passHours = packet.ParcelData.PassHours;
landData.passPrice = packet.ParcelData.PassPrice;
landData.salePrice = packet.ParcelData.SalePrice;
landData.snapshotID = packet.ParcelData.SnapshotID;
landData.userLocation = packet.ParcelData.UserLocation;
landData.userLookAt = packet.ParcelData.UserLookAt;
sendLandUpdateToAvatarsOverMe();
}
}
public void sendLandUpdateToClient(IClientAPI remote_client)
{
sendLandProperties(0, false, 0, remote_client);
}
public void sendLandUpdateToAvatarsOverMe()
{
List avatars = m_scene.GetAvatars();
for (int i = 0; i < avatars.Count; i++)
{
Land over =
m_scene.LandManager.getLandObject((int) Math.Round(avatars[i].AbsolutePosition.X),
(int) Math.Round(avatars[i].AbsolutePosition.Y));
if (over.landData.localID == landData.localID)
{
sendLandUpdateToClient(avatars[i].ControllingClient);
}
}
}
#endregion
#region AccessList Functions
public ParcelAccessListReplyPacket.ListBlock[] createAccessListArrayByFlag(ParcelManager.AccessList flag)
{
List list = new List();
foreach (ParcelManager.ParcelAccessEntry entry in parcelAccessList)
{
if (entry.Flags == flag)
{
ParcelAccessListReplyPacket.ListBlock listBlock = new ParcelAccessListReplyPacket.ListBlock();
listBlock.Flags = (uint)0;
listBlock.ID = entry.AgentID;
listBlock.Time = 0;
list.Add(listBlock);
}
}
if (list.Count == 0)
{
ParcelAccessListReplyPacket.ListBlock listBlock = new ParcelAccessListReplyPacket.ListBlock();
listBlock.Flags = (uint)0;
listBlock.ID = LLUUID.Zero;
listBlock.Time = 0;
list.Add(listBlock);
}
return list.ToArray();
}
public void sendAccessList(LLUUID agentID, LLUUID sessionID, uint flags, int sequenceID, IClientAPI remote_client)
{
ParcelAccessListReplyPacket replyPacket;
if (flags == (uint)ParcelManager.AccessList.Access || flags == (uint)ParcelManager.AccessList.Both)
{
replyPacket = new ParcelAccessListReplyPacket();
replyPacket.Data.AgentID = agentID;
replyPacket.Data.Flags = (uint)ParcelManager.AccessList.Access;
replyPacket.Data.LocalID = this.landData.localID;
replyPacket.Data.SequenceID = 0;
replyPacket.List = createAccessListArrayByFlag(ParcelManager.AccessList.Access);
remote_client.OutPacket((Packet)replyPacket, ThrottleOutPacketType.Task);
}
if (flags == (uint)ParcelManager.AccessList.Ban || flags == (uint)ParcelManager.AccessList.Both)
{
replyPacket = new ParcelAccessListReplyPacket();
replyPacket.Data.AgentID = agentID;
replyPacket.Data.Flags = (uint)ParcelManager.AccessList.Ban;
replyPacket.Data.LocalID = this.landData.localID;
replyPacket.Data.SequenceID = 0;
replyPacket.List = createAccessListArrayByFlag(ParcelManager.AccessList.Ban);
remote_client.OutPacket((Packet)replyPacket, ThrottleOutPacketType.Task);
}
}
public void updateAccessList(uint flags, List entries, IClientAPI remote_client)
{
if (entries.Count == 1 && entries[0].AgentID == LLUUID.Zero)
{
entries.Clear();
}
List toRemove = new List();
foreach (ParcelManager.ParcelAccessEntry entry in parcelAccessList)
{
if (entry.Flags == (ParcelManager.AccessList)flags)
{
toRemove.Add(entry);
}
}
foreach (ParcelManager.ParcelAccessEntry entry in toRemove)
{
parcelAccessList.Remove(entry);
}
foreach (ParcelManager.ParcelAccessEntry entry in entries)
{
ParcelManager.ParcelAccessEntry temp = new ParcelManager.ParcelAccessEntry();
temp.AgentID = entry.AgentID;
temp.Time = new DateTime() ; //Pointless? Yes.
temp.Flags = (ParcelManager.AccessList)flags;
if (!this.parcelAccessList.Contains(temp))
{
this.parcelAccessList.Add(temp);
}
}
}
#endregion
#region Update Functions
///
/// Updates the AABBMin and AABBMax values after area/shape modification of the land object
///
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 (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 += 16; //16sqm peice of land
}
}
}
landData.AABBMin =
new LLVector3((float) (min_x*4), (float) (min_y*4),
(float) m_scene.Terrain.GetHeight((min_x*4), (min_y*4)));
landData.AABBMax =
new LLVector3((float) (max_x*4), (float) (max_y*4),
(float) m_scene.Terrain.GetHeight((max_x*4), (max_y*4)));
landData.area = tempArea;
}
public void updateLandBitmapByteArray()
{
landData.landBitmapByteArray = convertLandBitmapToBytes();
}
///
/// Update all settings in land such as area, bitmap byte array, etc
///
public void forceUpdateLandInfo()
{
updateAABBAndAreaValues();
updateLandBitmapByteArray();
}
public void setLandBitmapFromByteArray()
{
landBitmap = convertBytesToLandBitmap();
}
#endregion
#region Land Bitmap Functions
///
/// Sets the land's bitmap manually
///
/// 64x64 block representing where this land is on a map
public void setLandBitmap(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
landBitmap = bitmap;
forceUpdateLandInfo();
}
}
///
/// Gets the land's bitmap manually
///
///
public bool[,] getLandBitmap()
{
return landBitmap;
}
///
/// Converts the land bitmap to a packet friendly byte array
///
///
private byte[] convertLandBitmapToBytes()
{
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(landBitmap[x, y]) << (i++%8));
if (i%8 == 0)
{
tempConvertArr[byteNum] = tempByte;
tempByte = (byte) 0;
i = 0;
byteNum++;
}
}
}
return tempConvertArr;
}
private bool[,] convertBytesToLandBitmap()
{
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 = landData.landBitmapByteArray[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;
}
///
/// Full sim land object creation
///
///
public static bool[,] basicFullRegionLandBitmap()
{
return getSquareLandBitmap(0, 0, 256, 256);
}
///
/// Used to modify the bitmap between the x and y points. Points use 64 scale
///
///
///
///
///
///
public static bool[,] getSquareLandBitmap(int start_x, int start_y, int end_x, int end_y)
{
bool[,] tempBitmap = new bool[64,64];
tempBitmap.Initialize();
tempBitmap = modifyLandBitmapSquare(tempBitmap, start_x, start_y, end_x, end_y, true);
return tempBitmap;
}
///
/// Change a land bitmap at within a square and set those points to a specific value
///
///
///
///
///
///
///
///
public static bool[,] modifyLandBitmapSquare(bool[,] land_bitmap, int start_x, int start_y, int end_x, int end_y,
bool set_value)
{
if (land_bitmap.GetLength(0) != 64 || land_bitmap.GetLength(1) != 64 || land_bitmap.Rank != 2)
{
//Throw an exception - The bitmap is not 64x64
throw new Exception("Error: Invalid Parcel Bitmap in modifyLandBitmapSquare()");
}
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)
{
land_bitmap[x, y] = set_value;
}
}
}
return land_bitmap;
}
///
/// Join the true values of 2 bitmaps together
///
///
///
///
public static bool[,] mergeLandBitmaps(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 mergeLandBitmaps");
}
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 mergeLandBitmaps");
}
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
#region Object Select and Object Owner Listing
public void sendForceObjectSelect(int local_id, int request_type, IClientAPI remote_client)
{
List resultLocalIDs = new List();
foreach (SceneObjectGroup obj in primsOverMe)
{
if (obj.LocalId > 0)
{
if (request_type == LandManager.LAND_SELECT_OBJECTS_OWNER && obj.OwnerID == landData.ownerID)
{
resultLocalIDs.Add(obj.LocalId);
}
// else if (request_type == LandManager.LAND_SELECT_OBJECTS_GROUP && ...) // TODO: group support
// {
// }
else if (request_type == LandManager.LAND_SELECT_OBJECTS_OTHER &&
obj.OwnerID != remote_client.AgentId)
{
resultLocalIDs.Add(obj.LocalId);
}
}
}
bool firstCall = true;
int MAX_OBJECTS_PER_PACKET = 251;
ForceObjectSelectPacket pack = new ForceObjectSelectPacket();
ForceObjectSelectPacket.DataBlock[] data;
while (resultLocalIDs.Count > 0)
{
if (firstCall)
{
pack._Header.ResetList = true;
firstCall = false;
}
else
{
pack._Header.ResetList = false;
}
if (resultLocalIDs.Count > MAX_OBJECTS_PER_PACKET)
{
data = new ForceObjectSelectPacket.DataBlock[MAX_OBJECTS_PER_PACKET];
}
else
{
data = new ForceObjectSelectPacket.DataBlock[resultLocalIDs.Count];
}
int i;
for (i = 0; i < MAX_OBJECTS_PER_PACKET && resultLocalIDs.Count > 0; i++)
{
data[i] = new ForceObjectSelectPacket.DataBlock();
data[i].LocalID = Convert.ToUInt32(resultLocalIDs[0]);
resultLocalIDs.RemoveAt(0);
}
pack.Data = data;
remote_client.OutPacket((Packet) pack, ThrottleOutPacketType.Task);
}
}
public void sendLandObjectOwners(IClientAPI remote_client)
{
Dictionary ownersAndCount = new Dictionary();
ParcelObjectOwnersReplyPacket pack = new ParcelObjectOwnersReplyPacket();
foreach (SceneObjectGroup obj in primsOverMe)
{
if (!ownersAndCount.ContainsKey(obj.OwnerID))
{
ownersAndCount.Add(obj.OwnerID, 0);
}
ownersAndCount[obj.OwnerID] += obj.PrimCount;
}
if (ownersAndCount.Count > 0)
{
ParcelObjectOwnersReplyPacket.DataBlock[] dataBlock = new ParcelObjectOwnersReplyPacket.DataBlock[32];
if (ownersAndCount.Count < 32)
{
dataBlock = new ParcelObjectOwnersReplyPacket.DataBlock[ownersAndCount.Count];
}
int num = 0;
foreach (LLUUID owner in ownersAndCount.Keys)
{
dataBlock[num] = new ParcelObjectOwnersReplyPacket.DataBlock();
dataBlock[num].Count = ownersAndCount[owner];
dataBlock[num].IsGroupOwned = false; //TODO: fix me when group support is added
dataBlock[num].OnlineStatus = true; //TODO: fix me later
dataBlock[num].OwnerID = owner;
num++;
}
pack.Data = dataBlock;
}
remote_client.OutPacket(pack, ThrottleOutPacketType.Task);
}
#endregion
#region Object Returning
public void returnObject(SceneObjectGroup obj)
{
}
public void returnLandObjects(int type, LLUUID owner)
{
}
#endregion
#region Object Adding/Removing from Parcel
public void resetLandPrimCounts()
{
landData.groupPrims = 0;
landData.ownerPrims = 0;
landData.otherPrims = 0;
landData.selectedPrims = 0;
primsOverMe.Clear();
}
public void addPrimToCount(SceneObjectGroup obj)
{
LLUUID prim_owner = obj.OwnerID;
int prim_count = obj.PrimCount;
if (obj.IsSelected)
{
landData.selectedPrims += prim_count;
}
else
{
if (prim_owner == landData.ownerID)
{
landData.ownerPrims += prim_count;
}
else
{
landData.otherPrims += prim_count;
}
}
primsOverMe.Add(obj);
}
public void removePrimFromCount(SceneObjectGroup obj)
{
if (primsOverMe.Contains(obj))
{
LLUUID prim_owner = obj.OwnerID;
int prim_count = obj.PrimCount;
if (prim_owner == landData.ownerID)
{
landData.ownerPrims -= prim_count;
}
else if (prim_owner == landData.groupID)
{
landData.groupPrims -= prim_count;
}
else
{
landData.otherPrims -= prim_count;
}
primsOverMe.Remove(obj);
}
}
#endregion
#endregion
}
#endregion
}