Files
libremetaverse/Programs/Simian/Extensions/ParcelManager.cs
John Hurliman 858b230e6b * Added IParcelProvider and ParcelManager that provide very basic parcel information
* More sane default flags in Simian RegionHandshake

git-svn-id: http://libopenmetaverse.googlecode.com/svn/trunk@2234 52acb1d6-8a22-11de-b505-999d5b087335
2008-09-22 15:11:39 +00:00

263 lines
12 KiB
C#

using System;
using System.Collections.Generic;
using OpenMetaverse;
using OpenMetaverse.Packets;
namespace Simian.Extensions
{
public class ParcelManager : ISimianExtension, IParcelProvider
{
Simian server;
Dictionary<int, Parcel> parcels = new Dictionary<int, Parcel>();
/// <summary>X,Y ordered 2D array of the parcelIDs for each sq. meter of a simulator</summary>
int[] parcelOverlay = new int[256 * 256];
public ParcelManager(Simian server)
{
this.server = server;
}
public void Start()
{
lock (parcels)
parcels.Clear();
// Create a default parcel
Parcel parcel = new Parcel(0);
parcel.Desc = "Simian Parcel";
parcel.Flags = Parcel.ParcelFlags.AllowAPrimitiveEntry | Parcel.ParcelFlags.AllowFly | Parcel.ParcelFlags.AllowGroupScripts |
Parcel.ParcelFlags.AllowLandmark | Parcel.ParcelFlags.AllowOtherScripts | Parcel.ParcelFlags.AllowTerraform |
Parcel.ParcelFlags.AllowVoiceChat | Parcel.ParcelFlags.CreateGroupObjects | Parcel.ParcelFlags.CreateObjects |
Parcel.ParcelFlags.UseBanList;
parcel.Landing = Parcel.LandingType.Direct;
parcel.MaxPrims = 20000;
parcel.Name = "Simian";
parcel.Status = Parcel.ParcelStatus.Leased;
parcel.UserLocation = (parcel.AABBMin + parcel.AABBMax) * 0.5f;
parcel.Bitmap = new byte[512];
for (int i = 0; i < 512; i++)
parcel.Bitmap[i] = Byte.MaxValue;
// The parcelOverlay defaults to all zeroes, and the LocalID of this parcel is zero,
// so we don't need to modify parcelOverlay before calling this
UpdateParcelSize(ref parcel);
// Add the default parcel to the list
parcels[parcel.LocalID] = parcel;
server.UDP.RegisterPacketCallback(PacketType.ParcelPropertiesRequest, ParcelPropertiesRequestHandler);
}
public void Stop()
{
}
public void SendParcelOverlay(Agent agent)
{
const int LAND_BLOCKS_PER_PACKET = 1024;
byte[] byteArray = new byte[LAND_BLOCKS_PER_PACKET];
int byteArrayCount = 0;
int sequenceID = 0;
for (int y = 0; y < 64; y++)
{
for (int x = 0; x < 64; x++)
{
byte tempByte = 0; // The flags for the current 4x4m parcel square
Parcel parcel;
if (parcels.TryGetValue(parcelOverlay[y * 4 * 64 + x * 4], out parcel))
{
// Set the ownership/sale flag
if (parcel.OwnerID == agent.AgentID)
tempByte = (byte)ParcelOverlayType.OwnedBySelf;
else if (parcel.AuctionID != 0)
tempByte = (byte)ParcelOverlayType.Auction;
else if (parcel.SalePrice > 0 && (parcel.AuthBuyerID == UUID.Zero || parcel.AuthBuyerID == agent.AgentID))
tempByte = (byte)ParcelOverlayType.ForSale;
else if (parcel.GroupID != UUID.Zero)
tempByte = (byte)ParcelOverlayType.OwnedByGroup;
else if (parcel.OwnerID != UUID.Zero)
tempByte = (byte)ParcelOverlayType.OwnedByOther;
else
tempByte = (byte)ParcelOverlayType.Public;
// Set the border flags
if (x == 0)
tempByte |= (byte)ParcelOverlayType.BorderWest;
else if (parcelOverlay[y * 4 * 64 + (x - 1) * 4] != parcel.LocalID)
// Parcel to the west is different from the current parcel
tempByte |= (byte)ParcelOverlayType.BorderWest;
if (y == 0)
tempByte |= (byte)ParcelOverlayType.BorderSouth;
else if (parcelOverlay[(y - 1) * 4 * 64 + x * 4] != parcel.LocalID)
// Parcel to the south is different from the current parcel
tempByte |= (byte)ParcelOverlayType.BorderSouth;
byteArray[byteArrayCount] = tempByte;
++byteArrayCount;
if (byteArrayCount >= LAND_BLOCKS_PER_PACKET)
{
// Send a ParcelOverlay packet
ParcelOverlayPacket overlay = new ParcelOverlayPacket();
overlay.ParcelData.SequenceID = sequenceID;
overlay.ParcelData.Data = byteArray;
server.UDP.SendPacket(agent.AgentID, overlay, PacketCategory.State);
byteArrayCount = 0;
++sequenceID;
}
}
else
{
Logger.Log("Parcel overlay references missing parcel " + parcelOverlay[y * 4 * 64 + x * 4],
Helpers.LogLevel.Warning);
}
}
}
}
void UpdateParcelSize(ref Parcel parcel)
{
int minX = 64;
int minY = 64;
int maxX = 0;
int maxY = 0;
int area = 0;
for (int y = 0; y < 256; y++)
{
for (int x = 0; x < 256; x++)
{
if (parcelOverlay[y * 256 + x] == parcel.LocalID)
{
if (minX > x) minX = x;
if (minY > y) minY = y;
if (maxX < x) maxX = x;
if (maxX < y) maxY = y;
area += 1;
}
}
}
parcel.AABBMin.X = minX;
parcel.AABBMin.Y = minY;
parcel.AABBMax.X = maxX;
parcel.AABBMax.Y = maxY;
parcel.Area = area;
}
void SendParcelProperties(int parcelID, int sequenceID, bool snapSelection, ParcelResult result,
Agent agent)
{
Parcel parcel;
if (parcels.TryGetValue(parcelID, out parcel))
{
ParcelPropertiesPacket properties = new ParcelPropertiesPacket();
properties.AgeVerificationBlock.RegionDenyAgeUnverified = false;
properties.ParcelData.AABBMax = parcel.AABBMax;
properties.ParcelData.AABBMin = parcel.AABBMin;
properties.ParcelData.Area = parcel.Area;
properties.ParcelData.AuctionID = parcel.AuctionID;
properties.ParcelData.AuthBuyerID = parcel.AuthBuyerID;
properties.ParcelData.Bitmap = parcel.Bitmap;
properties.ParcelData.Category = (byte)parcel.Category;
properties.ParcelData.ClaimDate = (int)Utils.DateTimeToUnixTime(parcel.ClaimDate);
properties.ParcelData.ClaimPrice = parcel.ClaimPrice;
properties.ParcelData.Desc = Utils.StringToBytes(parcel.Desc);
properties.ParcelData.GroupID = parcel.GroupID;
properties.ParcelData.GroupPrims = parcel.GroupPrims;
properties.ParcelData.IsGroupOwned = parcel.IsGroupOwned;
properties.ParcelData.LandingType = (byte)parcel.Landing;
properties.ParcelData.LocalID = parcel.LocalID;
properties.ParcelData.MaxPrims = parcel.MaxPrims;
properties.ParcelData.MediaAutoScale = parcel.Media.MediaAutoScale;
properties.ParcelData.MediaID = parcel.Media.MediaID;
properties.ParcelData.MediaURL = Utils.StringToBytes(parcel.Media.MediaURL);
properties.ParcelData.MusicURL = Utils.StringToBytes(parcel.MusicURL);
properties.ParcelData.Name = Utils.StringToBytes(parcel.Name);
properties.ParcelData.OtherCleanTime = parcel.OtherCleanTime;
properties.ParcelData.OtherCount = parcel.OtherCount;
properties.ParcelData.OtherPrims = parcel.OtherPrims;
properties.ParcelData.OwnerID = parcel.OwnerID;
properties.ParcelData.OwnerPrims = parcel.OwnerPrims;
properties.ParcelData.ParcelFlags = (uint)parcel.Flags;
properties.ParcelData.ParcelPrimBonus = parcel.ParcelPrimBonus;
properties.ParcelData.PassHours = parcel.PassHours;
properties.ParcelData.PassPrice = parcel.PassPrice;
properties.ParcelData.PublicCount = parcel.PublicCount;
properties.ParcelData.RegionDenyAnonymous = parcel.RegionDenyAnonymous;
properties.ParcelData.RegionDenyIdentified = false; // Deprecated
properties.ParcelData.RegionDenyTransacted = false; // Deprecated
properties.ParcelData.RegionPushOverride = parcel.RegionPushOverride;
properties.ParcelData.RentPrice = parcel.RentPrice;
properties.ParcelData.RequestResult = (int)result;
properties.ParcelData.SalePrice = parcel.SalePrice;
properties.ParcelData.SelectedPrims = 0; // TODO:
properties.ParcelData.SelfCount = parcel.SelfCount;
properties.ParcelData.SequenceID = sequenceID;
properties.ParcelData.SimWideMaxPrims = parcel.SimWideMaxPrims;
properties.ParcelData.SimWideTotalPrims = parcel.SimWideTotalPrims;
properties.ParcelData.SnapSelection = snapSelection;
properties.ParcelData.SnapshotID = parcel.SnapshotID;
properties.ParcelData.Status = (byte)parcel.Status;
properties.ParcelData.TotalPrims = parcel.TotalPrims;
properties.ParcelData.UserLocation = parcel.UserLocation;
properties.ParcelData.UserLookAt = parcel.UserLookAt;
// HACK: Make everyone think they are the owner of this parcel
properties.ParcelData.OwnerID = agent.AgentID;
server.UDP.SendPacket(agent.AgentID, properties, PacketCategory.Transaction);
}
else
{
Logger.Log("SendParcelProperties() called for unknown parcel " + parcelID, Helpers.LogLevel.Warning);
}
}
void ParcelPropertiesRequestHandler(Packet packet, Agent agent)
{
ParcelPropertiesRequestPacket request = (ParcelPropertiesRequestPacket)packet;
// TODO: Replace with HashSet when we switch to .NET 3.5
List<int> parcels = new List<int>();
// Convert the boundaries to integers
int north = (int)Math.Round(request.ParcelData.North);
int east = (int)Math.Round(request.ParcelData.East);
int south = (int)Math.Round(request.ParcelData.South);
int west = (int)Math.Round(request.ParcelData.West);
// Find all of the parcels within the given boundaries
int xLen = east - west;
int yLen = north - south;
for (int x = 0; x < xLen; x++)
{
for (int y = 0; y < yLen; y++)
{
if (west + x < 256 && south + y < 256)
{
int currentParcelID = parcelOverlay[(south + y) * 256 + (west + x)];
if (!parcels.Contains(currentParcelID))
parcels.Add(currentParcelID);
}
}
}
ParcelResult result = ParcelResult.NoData;
if (parcels.Count == 1)
result = ParcelResult.Single;
else if (parcels.Count > 1)
result = ParcelResult.Multiple;
for (int i = 0; i < parcels.Count; i++)
SendParcelProperties(parcels[i], request.ParcelData.SequenceID, request.ParcelData.SnapSelection, result, agent);
}
}
}