/*
 * 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.Data;
using System.Drawing;
using System.Reflection;
using System.Text;
using log4net;
using MySql.Data.MySqlClient;
using OpenMetaverse;
using OpenSim.Framework;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;

namespace OpenSim.Data.MySQL
{
	/// <summary>
	/// A MySQL Interface for the Region Server
	/// </summary>
	public class MySQLSimulationData : ISimulationDataStore
	{
		private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
		private static string LogHeader = "[REGION DB MYSQL]";

		private string m_connectionString;

		/// <summary>
		/// This lock was being used to serialize database operations when the connection was shared, but this has
		/// been unnecessary for a long time after we switched to using MySQL's underlying connection pooling instead.
		/// FIXME: However, the locks remain in many places since they are effectively providing a level of
		/// transactionality.  This should be replaced by more efficient database transactions which would not require
		/// unrelated operations to block each other or unrelated operations on the same tables from blocking each
		/// other.
		/// </summary>
		private object m_dbLock = new object();

		protected virtual Assembly Assembly
		{
			get { return GetType().Assembly; }
		}

		public MySQLSimulationData()
		{
		}

		public MySQLSimulationData(string connectionString)
		{
			Initialise(connectionString);
		}

		public virtual void Initialise(string connectionString)
		{
			m_connectionString = connectionString;

			using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
			{
				dbcon.Open();

				// Apply new Migrations
				//
				Migration m = new Migration(dbcon, Assembly, "RegionStore");
				m.Update();
				dbcon.Close();
			}
		}

		private IDataReader ExecuteReader(MySqlCommand c)
		{
			IDataReader r = null;

			try
			{
				r = c.ExecuteReader();
			}
			catch (Exception e)
			{
				m_log.ErrorFormat("{0} MySQL error in ExecuteReader: {1}", LogHeader, e);
				throw;
			}

			return r;
		}

		private void ExecuteNonQuery(MySqlCommand c)
		{
			try
			{
				c.ExecuteNonQuery();
			}
			catch (Exception e)
			{
				m_log.Error("[REGION DB]: MySQL error in ExecuteNonQuery: " + e.Message);
				throw;
			}
		}

		public void Dispose() {}

		public virtual void StoreObject(SceneObjectGroup obj, UUID regionUUID)
		{
			uint flags = obj.RootPart.GetEffectiveObjectFlags();

			// Eligibility check
			//
			if ((flags & (uint)PrimFlags.TemporaryOnRez) != 0)
				return;

			lock (m_dbLock)
			{
				using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
				{
					dbcon.Open();

					using (MySqlCommand cmd = dbcon.CreateCommand())
					{
						foreach (SceneObjectPart prim in obj.Parts)
						{
							cmd.Parameters.Clear();

							cmd.CommandText = "replace into prims (" +
									"UUID, CreationDate, " +
									"Name, Text, Description, " +
									"SitName, TouchName, ObjectFlags, " +
									"OwnerMask, NextOwnerMask, GroupMask, " +
									"EveryoneMask, BaseMask, " +
									"PositionX, PositionY, PositionZ, " +
									"GroupPositionX, GroupPositionY, GroupPositionZ, " +
									"VelocityX, VelocityY, VelocityZ, " +
									"AngularVelocityX, AngularVelocityY, AngularVelocityZ, " +
									"AccelerationX, AccelerationY, AccelerationZ, " +
									"standtargetx, standtargety, standtargetz, " +
									"RotationX, RotationY, RotationZ, RotationW, " +
									"SitTargetOffsetX, SitTargetOffsetY, SitTargetOffsetZ, " +
									"SitTargetOrientW, SitTargetOrientX, " +
									"SitTargetOrientY, SitTargetOrientZ, " +
									"RegionUUID, CreatorID, " +
									"OwnerID, GroupID, " +
									"LastOwnerID, RezzerID, SceneGroupID, " +
									"PayPrice, PayButton1, " +
									"PayButton2, PayButton3, " +
									"PayButton4, LoopedSound, " +
									"LoopedSoundGain, TextureAnimation, " +
									"CameraEyeOffsetX, CameraEyeOffsetY, " +
									"CameraEyeOffsetZ, CameraAtOffsetX, " +
									"CameraAtOffsetY, CameraAtOffsetZ, " +
									"ForceMouselook, ScriptAccessPin, " +
									"AllowedDrop, DieAtEdge, " +
									"SalePrice, SaleType, " +
									"ColorR, ColorG, ColorB, ColorA, " +
									"ParticleSystem, ClickAction, Material, " +
									"CollisionSound, CollisionSoundVolume, " +
									"PassTouches, " +
									"PassCollisions, " +
									"LinkNumber, MediaURL, KeyframeMotion, AttachedPosX, " +
									"AttachedPosY, AttachedPosZ, " +
									"PhysicsShapeType, Density, GravityModifier, " +
									"Friction, Restitution, Vehicle, PhysInertia, DynAttrs, " +
									"RotationAxisLocks, sopanims, sitactrange, pseudocrc" + 
									") values (" + "?UUID, " +
									"?CreationDate, ?Name, ?Text, " +
									"?Description, ?SitName, ?TouchName, " +
									"?ObjectFlags, ?OwnerMask, ?NextOwnerMask, " +
									"?GroupMask, ?EveryoneMask, ?BaseMask, " +
									"?PositionX, ?PositionY, ?PositionZ, " +
									"?GroupPositionX, ?GroupPositionY, ?GroupPositionZ, " +
									"?VelocityX, ?VelocityY, ?VelocityZ, "+
									"?AngularVelocityX, ?AngularVelocityY, ?AngularVelocityZ, " +
									"?AccelerationX, ?AccelerationY, ?AccelerationZ, " +
									"?standtargetx, ?standtargety, ?standtargetz, " +
									"?RotationX, ?RotationY, ?RotationZ, " +
									"?RotationW, ?SitTargetOffsetX, " +
									"?SitTargetOffsetY, ?SitTargetOffsetZ, " +
									"?SitTargetOrientW, ?SitTargetOrientX, " +
									"?SitTargetOrientY, ?SitTargetOrientZ, " +
									"?RegionUUID, ?CreatorID, ?OwnerID, " +
									"?GroupID, ?LastOwnerID, ?RezzerID, ?SceneGroupID, " +
									"?PayPrice, ?PayButton1, ?PayButton2, " +
									"?PayButton3, ?PayButton4, ?LoopedSound, " +
									"?LoopedSoundGain, ?TextureAnimation, " +
									"?CameraEyeOffsetX, ?CameraEyeOffsetY, " +
									"?CameraEyeOffsetZ, ?CameraAtOffsetX, " +
									"?CameraAtOffsetY, ?CameraAtOffsetZ, " +
									"?ForceMouselook, ?ScriptAccessPin, " +
									"?AllowedDrop, ?DieAtEdge, ?SalePrice, " +
									"?SaleType, ?ColorR, ?ColorG, " +
									"?ColorB, ?ColorA, ?ParticleSystem, " +
									"?ClickAction, ?Material, ?CollisionSound, " +
									"?CollisionSoundVolume, ?PassTouches, ?PassCollisions, " +
									"?LinkNumber, ?MediaURL, ?KeyframeMotion, ?AttachedPosX, " +
									"?AttachedPosY, ?AttachedPosZ, " +
									"?PhysicsShapeType, ?Density, ?GravityModifier, " +
									"?Friction, ?Restitution, ?Vehicle, ?PhysInertia, ?DynAttrs," +
									"?RotationAxisLocks, ?sopanims, ?sitactrange, ?pseudocrc)";

							FillPrimCommand(cmd, prim, obj.UUID, regionUUID);

							ExecuteNonQuery(cmd);

							cmd.Parameters.Clear();

							cmd.CommandText = "replace into primshapes (" +
									"UUID, Shape, ScaleX, ScaleY, " +
									"ScaleZ, PCode, PathBegin, PathEnd, " +
									"PathScaleX, PathScaleY, PathShearX, " +
									"PathShearY, PathSkew, PathCurve, " +
									"PathRadiusOffset, PathRevolutions, " +
									"PathTaperX, PathTaperY, PathTwist, " +
									"PathTwistBegin, ProfileBegin, ProfileEnd, " +
									"ProfileCurve, ProfileHollow, Texture, " +
									"ExtraParams, State, LastAttachPoint, Media) " +
									"values (?UUID, " +
									"?Shape, ?ScaleX, ?ScaleY, ?ScaleZ, " +
									"?PCode, ?PathBegin, ?PathEnd, " +
									"?PathScaleX, ?PathScaleY, " +
									"?PathShearX, ?PathShearY, " +
									"?PathSkew, ?PathCurve, ?PathRadiusOffset, " +
									"?PathRevolutions, ?PathTaperX, " +
									"?PathTaperY, ?PathTwist, " +
									"?PathTwistBegin, ?ProfileBegin, " +
									"?ProfileEnd, ?ProfileCurve, " +
									"?ProfileHollow, ?Texture, ?ExtraParams, " +
									"?State, ?LastAttachPoint, ?Media)";

							FillShapeCommand(cmd, prim);

							ExecuteNonQuery(cmd);
						}
					}
					dbcon.Close();
				}
			}
		}

		public virtual void RemoveObject(UUID obj, UUID regionUUID)
		{
//			m_log.DebugFormat("[REGION DB]: Deleting scene object {0} from {1} in database", obj, regionUUID);

			List<string> uuids = new List<string>();
			lock (m_dbLock)
			{
				using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
				{
					dbcon.Open();

					using (MySqlCommand cmd = dbcon.CreateCommand())
					{
						cmd.CommandText = "select UUID from prims where SceneGroupID= ?UUID";
						cmd.Parameters.AddWithValue("UUID", obj.ToString());

						using (IDataReader reader = ExecuteReader(cmd))
						{
							while (reader.Read())
								uuids.Add(reader["UUID"].ToString());
						}

						if(uuids.Count == 0)
						{
							dbcon.Close();
							return;
						}

						// delete the main prims
						cmd.CommandText = "delete from prims where SceneGroupID= ?UUID";
						ExecuteNonQuery(cmd);

						cmd.Parameters.Clear();

						string sqlparams;
						if (uuids.Count > 1)
						{
							StringBuilder sb = new StringBuilder(uuids.Count * 39 + 5);
							sb.Append("IN (");
							for(int i = 0; i < uuids.Count - 1; ++i )
							{
								sb.Append("'");
								sb.Append(uuids[i]);
								sb.Append("',");
							}
							sb.Append("'");
							sb.Append(uuids[uuids.Count - 1]);
							sb.Append("')");
							sqlparams = sb.ToString();
						}
						else
							sqlparams = "='" + uuids[0] + "'";

						cmd.CommandText = "delete from primshapes where UUID " + sqlparams;
						ExecuteNonQuery(cmd);

						cmd.CommandText = "delete from primitems where primID " + sqlparams;
						ExecuteNonQuery(cmd);

						dbcon.Close();
					}
				}
			}
		}

		public virtual List<SceneObjectGroup> LoadObjects(UUID regionID)
		{
			const int ROWS_PER_QUERY = 5000;

			Dictionary<UUID, SceneObjectPart> prims = new Dictionary<UUID, SceneObjectPart>(ROWS_PER_QUERY);
			Dictionary<UUID, SceneObjectGroup> objects = new Dictionary<UUID, SceneObjectGroup>();
			int count = 0;

			#region Prim Loading

			lock (m_dbLock)
			{
				using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
				{
					dbcon.Open();

					using (MySqlCommand cmd = dbcon.CreateCommand())
					{
						cmd.CommandText =
							"SELECT * FROM prims LEFT JOIN primshapes ON prims.UUID = primshapes.UUID WHERE RegionUUID = ?RegionUUID";
						cmd.Parameters.AddWithValue("RegionUUID", regionID.ToString());
						cmd.CommandTimeout = 3600;

						using (IDataReader reader = ExecuteReader(cmd))
						{
							while (reader.Read())
							{
								SceneObjectPart prim = BuildPrim(reader);
								if (reader["Shape"] is DBNull)
									prim.Shape = PrimitiveBaseShape.Default;
								else
									prim.Shape = BuildShape(reader);

								UUID parentID = DBGuid.FromDB(reader["SceneGroupID"].ToString());
								if (parentID != prim.UUID)
									prim.ParentUUID = parentID;

								prims[prim.UUID] = prim;

								++count;
								if (count % ROWS_PER_QUERY == 0)
									m_log.Debug("[REGION DB]: Loaded " + count + " prims...");
							}
						}
					}
					dbcon.Close();
				}
			}

			#endregion Prim Loading

			#region SceneObjectGroup Creation

			// Create all of the SOGs from the root prims first
			foreach (SceneObjectPart prim in prims.Values)
			{
				if (prim.ParentUUID == UUID.Zero)
				{
					objects[prim.UUID] = new SceneObjectGroup(prim);
				}
			}

			// Add all of the children objects to the SOGs
			foreach (SceneObjectPart prim in prims.Values)
			{
				SceneObjectGroup sog;
				if (prim.UUID != prim.ParentUUID)
				{
					if (objects.TryGetValue(prim.ParentUUID, out sog))
					{
						int originalLinkNum = prim.LinkNum;

						sog.AddPart(prim);

						// SceneObjectGroup.AddPart() tries to be smart and automatically set the LinkNum.
						// We override that here
						if (originalLinkNum != 0)
							prim.LinkNum = originalLinkNum;
					}
					else
					{
						m_log.WarnFormat(
							"[REGION DB]: Database contains an orphan child prim {0} {1} in region {2} pointing to missing parent {3}.  This prim will not be loaded.",
							prim.Name, prim.UUID, regionID, prim.ParentUUID);
					}
				}
			}

			#endregion SceneObjectGroup Creation

			m_log.DebugFormat("[REGION DB]: Loaded {0} objects using {1} prims", objects.Count, prims.Count);

			#region Prim Inventory Loading

			// Instead of attempting to LoadItems on every prim,
			// most of which probably have no items... get a
			// list from DB of all prims which have items and
			// LoadItems only on those
			List<SceneObjectPart> primsWithInventory = new List<SceneObjectPart>();
			lock (m_dbLock)
			{
				using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
				{
					dbcon.Open();

					using (MySqlCommand itemCmd = dbcon.CreateCommand())
					{
						itemCmd.CommandText = "SELECT DISTINCT primID FROM primitems";
						using (IDataReader itemReader = ExecuteReader(itemCmd))
						{
							while (itemReader.Read())
							{
								if (!(itemReader["primID"] is DBNull))
								{
									UUID primID = DBGuid.FromDB(itemReader["primID"].ToString());
									if (prims.ContainsKey(primID))
										primsWithInventory.Add(prims[primID]);
								}
							}
						}
					}
					dbcon.Close();
				}
			}

			foreach (SceneObjectPart prim in primsWithInventory)
			{
				LoadItems(prim);
			}

			#endregion Prim Inventory Loading

			m_log.DebugFormat("[REGION DB]: Loaded inventory from {0} objects", primsWithInventory.Count);

			return new List<SceneObjectGroup>(objects.Values);
		}

		/// <summary>
		/// Load in a prim's persisted inventory.
		/// </summary>
		/// <param name="prim">The prim</param>
		private void LoadItems(SceneObjectPart prim)
		{
			lock (m_dbLock)
			{
				List<TaskInventoryItem> inventory = new List<TaskInventoryItem>();

				using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
				{
					dbcon.Open();

					using (MySqlCommand cmd = dbcon.CreateCommand())
					{
						cmd.CommandText = "select * from primitems where PrimID = ?PrimID";
						cmd.Parameters.AddWithValue("PrimID", prim.UUID.ToString());

						using (IDataReader reader = ExecuteReader(cmd))
						{
							while (reader.Read())
							{
								TaskInventoryItem item = BuildItem(reader);

								item.ParentID = prim.UUID; // Values in database are often wrong
								inventory.Add(item);
							}
						}
					}
					dbcon.Close();
				}

				prim.Inventory.RestoreInventoryItems(inventory);
			}
		}

		// Legacy entry point for when terrain was always a 256x256 hieghtmap
		public void StoreTerrain(double[,] ter, UUID regionID)
		{
			StoreTerrain(new TerrainData(ter), regionID);
		}

		public void StoreTerrain(TerrainData terrData, UUID regionID)
		{
			Util.FireAndForget(delegate(object x)
			{
				m_log.Info("[REGION DB]: Storing terrain");

				int terrainDBRevision;
				Array terrainDBblob;
				terrData.GetDatabaseBlob(out terrainDBRevision, out terrainDBblob);

				lock (m_dbLock)
				{
					using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
					{
						dbcon.Open();

						using (MySqlCommand cmd = dbcon.CreateCommand())
						{
							cmd.CommandText = "delete from terrain where RegionUUID = ?RegionUUID";
							cmd.Parameters.AddWithValue("RegionUUID", regionID.ToString());

							using (MySqlCommand cmd2 = dbcon.CreateCommand())
							{
								try
								{
									cmd2.CommandText = "insert into terrain (RegionUUID, " +
											"Revision, Heightfield) values (?RegionUUID, " +
											"?Revision, ?Heightfield)";

									cmd2.Parameters.AddWithValue("RegionUUID", regionID.ToString());
									cmd2.Parameters.AddWithValue("Revision", terrainDBRevision);
									cmd2.Parameters.AddWithValue("Heightfield", terrainDBblob);

									ExecuteNonQuery(cmd);
									ExecuteNonQuery(cmd2);
								}
								catch (Exception e)
								{
									m_log.ErrorFormat(e.ToString());
								}
							}
						}
						dbcon.Close();
					}
				}
			});
		}

		public void StoreBakedTerrain(TerrainData terrData, UUID regionID)
		{
			Util.FireAndForget(delegate(object x)
			{
				m_log.Info("[REGION DB]: Storing Baked terrain");

				int terrainDBRevision;
				Array terrainDBblob;
				terrData.GetDatabaseBlob(out terrainDBRevision, out terrainDBblob);

				lock (m_dbLock)
				{
					using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
					{
						dbcon.Open();

						using (MySqlCommand cmd = dbcon.CreateCommand())
						{
							cmd.CommandText = "delete from bakedterrain where RegionUUID = ?RegionUUID";
							cmd.Parameters.AddWithValue("RegionUUID", regionID.ToString());

							using (MySqlCommand cmd2 = dbcon.CreateCommand())
							{
								try
								{
									cmd2.CommandText = "insert into bakedterrain (RegionUUID, " +
											"Revision, Heightfield) values (?RegionUUID, " +
											"?Revision, ?Heightfield)";

									cmd2.Parameters.AddWithValue("RegionUUID", regionID.ToString());
									cmd2.Parameters.AddWithValue("Revision", terrainDBRevision);
									cmd2.Parameters.AddWithValue("Heightfield", terrainDBblob);

									ExecuteNonQuery(cmd);
									ExecuteNonQuery(cmd2);
								}
								catch (Exception e)
								{
									m_log.ErrorFormat(e.ToString());
								}
							}
						}
						dbcon.Close();
					}
				}
			});
		}

		// Legacy region loading
		public virtual double[,] LoadTerrain(UUID regionID)
		{
			double[,] ret = null;
			TerrainData terrData = LoadTerrain(regionID, (int)Constants.RegionSize, (int)Constants.RegionSize, (int)Constants.RegionHeight);
			if (terrData != null)
				ret = terrData.GetDoubles();
			return ret;
		}

		// Returns 'null' if region not found
		public TerrainData LoadTerrain(UUID regionID, int pSizeX, int pSizeY, int pSizeZ)
		{
			TerrainData terrData = null;
			byte[] blob = null;
			int rev = 0;

			lock (m_dbLock)
			{

				using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
				{
					dbcon.Open();

					using (MySqlCommand cmd = dbcon.CreateCommand())
					{
						cmd.CommandText = "select RegionUUID, Revision, Heightfield " +
							"from terrain where RegionUUID = ?RegionUUID " +
							"order by Revision desc limit 1";
						cmd.Parameters.AddWithValue("RegionUUID", regionID.ToString());

						using (IDataReader reader = ExecuteReader(cmd))
						{
							while (reader.Read())
							{
								rev = Convert.ToInt32(reader["Revision"]);
								if ((reader["Heightfield"] != DBNull.Value))
								{
									blob = (byte[])reader["Heightfield"];
								}
							}
						}
					}
					dbcon.Close();
				}
			}

			if(blob != null)
				terrData = TerrainData.CreateFromDatabaseBlobFactory(pSizeX, pSizeY, pSizeZ, rev, blob);

			return terrData;
		}

		public TerrainData LoadBakedTerrain(UUID regionID, int pSizeX, int pSizeY, int pSizeZ)
		{
			TerrainData terrData = null;
			byte[] blob = null;
			int rev = 0;

			lock (m_dbLock)
			{
				using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
				{
					dbcon.Open();

					using (MySqlCommand cmd = dbcon.CreateCommand())
					{
						cmd.CommandText = "select RegionUUID, Revision, Heightfield " +
							"from bakedterrain where RegionUUID = ?RegionUUID ";
						cmd.Parameters.AddWithValue("RegionUUID", regionID.ToString());

						using (IDataReader reader = ExecuteReader(cmd))
						{
							while (reader.Read())
							{
								rev = Convert.ToInt32(reader["Revision"]);
								if ((reader["Heightfield"] != DBNull.Value))
								{
									blob = (byte[])reader["Heightfield"];
								}
							}
						}
					}
					dbcon.Close();
				}
			}
			if(blob != null)
				terrData = TerrainData.CreateFromDatabaseBlobFactory(pSizeX, pSizeY, pSizeZ, rev, blob);

			return terrData;
		}

		public virtual void RemoveLandObject(UUID globalID)
		{
			lock (m_dbLock)
			{
				using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
				{
					dbcon.Open();

					using (MySqlCommand cmd = dbcon.CreateCommand())
					{
						cmd.CommandText = "delete from land where UUID = ?UUID";
						cmd.Parameters.AddWithValue("UUID", globalID.ToString());

						ExecuteNonQuery(cmd);
					}
					dbcon.Close();
				}
			}
		}

		public virtual void StoreLandObject(ILandObject parcel)
		{
			lock (m_dbLock)
			{
				using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
				{
					dbcon.Open();

					using (MySqlCommand cmd = dbcon.CreateCommand())
					{
						cmd.CommandText = "replace into land (UUID, RegionUUID, " +
							"LocalLandID, Bitmap, Name, Description, " +
							"OwnerUUID, IsGroupOwned, Area, AuctionID, " +
							"Category, ClaimDate, ClaimPrice, GroupUUID, " +
							"SalePrice, LandStatus, LandFlags, LandingType, " +
							"MediaAutoScale, MediaTextureUUID, MediaURL, " +
							"MusicURL, PassHours, PassPrice, SnapshotUUID, " +
							"UserLocationX, UserLocationY, UserLocationZ, " +
							"UserLookAtX, UserLookAtY, UserLookAtZ, " +
							"AuthbuyerID, OtherCleanTime, Dwell, MediaType, MediaDescription, " +
							"MediaSize, MediaLoop, ObscureMusic, ObscureMedia, " +
							"SeeAVs, AnyAVSounds, GroupAVSounds, environment) values (" +
							"?UUID, ?RegionUUID, " +
							"?LocalLandID, ?Bitmap, ?Name, ?Description, " +
							"?OwnerUUID, ?IsGroupOwned, ?Area, ?AuctionID, " +
							"?Category, ?ClaimDate, ?ClaimPrice, ?GroupUUID, " +
							"?SalePrice, ?LandStatus, ?LandFlags, ?LandingType, " +
							"?MediaAutoScale, ?MediaTextureUUID, ?MediaURL, " +
							"?MusicURL, ?PassHours, ?PassPrice, ?SnapshotUUID, " +
							"?UserLocationX, ?UserLocationY, ?UserLocationZ, " +
							"?UserLookAtX, ?UserLookAtY, ?UserLookAtZ, " +
							"?AuthbuyerID, ?OtherCleanTime, ?Dwell, ?MediaType, ?MediaDescription, "+
							"CONCAT(?MediaWidth, ',', ?MediaHeight), ?MediaLoop, ?ObscureMusic, ?ObscureMedia, " +
							"?SeeAVs, ?AnyAVSounds, ?GroupAVSounds, ?environment)";

						FillLandCommand(cmd, parcel.LandData, parcel.RegionUUID);

						ExecuteNonQuery(cmd);

						cmd.CommandText = "delete from landaccesslist where LandUUID = ?UUID";

						ExecuteNonQuery(cmd);

						cmd.Parameters.Clear();
						cmd.CommandText = "insert into landaccesslist (LandUUID, " +
								"AccessUUID, Flags, Expires) values (?LandUUID, ?AccessUUID, " +
								"?Flags, ?Expires)";

						foreach (LandAccessEntry entry in parcel.LandData.ParcelAccessList)
						{
							FillLandAccessCommand(cmd, entry, parcel.LandData.GlobalID);
							ExecuteNonQuery(cmd);
							cmd.Parameters.Clear();
						}
					}
					dbcon.Close();
				}
			}
		}

		public virtual RegionSettings LoadRegionSettings(UUID regionUUID)
		{
			RegionSettings rs = null;
			bool needStore = false;

			lock (m_dbLock)
			{
				using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
				{
					dbcon.Open();

					using (MySqlCommand cmd = dbcon.CreateCommand())
					{
						cmd.CommandText = "select * from regionsettings where regionUUID = ?RegionUUID";
						cmd.Parameters.AddWithValue("regionUUID", regionUUID);

						using (IDataReader reader = ExecuteReader(cmd))
						{
							if (reader.Read())
							{
								rs = BuildRegionSettings(reader);
								rs.OnSave += StoreRegionSettings;
							}
							else
							{
								rs = new RegionSettings();
								rs.RegionUUID = regionUUID;
								rs.OnSave += StoreRegionSettings;

								needStore = true;
							}
						}
					}
					dbcon.Close();
				}
			}

			if(needStore)
				StoreRegionSettings(rs);

			LoadSpawnPoints(rs);

			return rs;
		}

		#region RegionEnvironmentSettings
		public string LoadRegionEnvironmentSettings(UUID regionUUID)
		{
			using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
			{
				dbcon.Open();

				string command = "select * from `regionenvironment` where region_id = ?region_id";

				using (MySqlCommand cmd = new MySqlCommand(command))
				{
					cmd.Connection = dbcon;

					cmd.Parameters.AddWithValue("?region_id", regionUUID.ToString());

					using(IDataReader result = ExecuteReader(cmd))
					{
						if(!result.Read())
						{
							dbcon.Close();
							return String.Empty;
						}
						else
						{
							string ret = Convert.ToString(result["llsd_settings"]);
							dbcon.Close();
							return ret;
						}
					}
				}
			}
		}

		public void StoreRegionEnvironmentSettings(UUID regionUUID, string settings)
		{
			using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
			{
				dbcon.Open();

				using (MySqlCommand cmd = dbcon.CreateCommand())
				{
					cmd.CommandText = "REPLACE INTO `regionenvironment` (`region_id`, `llsd_settings`) VALUES (?region_id, ?llsd_settings)";

					cmd.Parameters.AddWithValue("region_id", regionUUID);
					cmd.Parameters.AddWithValue("llsd_settings", settings);

					ExecuteNonQuery(cmd);
				}
				dbcon.Close();
			}
		}

		public void RemoveRegionEnvironmentSettings(UUID regionUUID)
		{
			using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
			{
				dbcon.Open();

				using (MySqlCommand cmd = dbcon.CreateCommand())
				{
					cmd.CommandText = "delete from `regionenvironment` where region_id = ?region_id";
					cmd.Parameters.AddWithValue("?region_id", regionUUID.ToString());
					ExecuteNonQuery(cmd);
				}
				dbcon.Close();
			}
		}
		#endregion

		public virtual void StoreRegionSettings(RegionSettings rs)
		{
			using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
			{
				dbcon.Open();

				using (MySqlCommand cmd = dbcon.CreateCommand())
				{
					cmd.CommandText = "replace into regionsettings (regionUUID, " +
 						"block_terraform, block_fly, allow_damage, " +
 						"restrict_pushing, allow_land_resell, " +
 						"allow_land_join_divide, block_show_in_search, " +
 						"agent_limit, object_bonus, maturity, " +
 						"disable_scripts, disable_collisions, " +
 						"disable_physics, terrain_texture_1, " +
 						"terrain_texture_2, terrain_texture_3, " +
 						"terrain_texture_4, elevation_1_nw, " +
 						"elevation_2_nw, elevation_1_ne, " +
 						"elevation_2_ne, elevation_1_se, " +
 						"elevation_2_se, elevation_1_sw, " +
 						"elevation_2_sw, water_height, " +
 						"terrain_raise_limit, terrain_lower_limit, " +
 						"use_estate_sun, fixed_sun, sun_position, " +
 						"covenant, covenant_datetime, Sandbox, sunvectorx, sunvectory, " +
 						"sunvectorz, loaded_creation_datetime, " +
 						"loaded_creation_id, map_tile_ID, block_search, casino, " +
 						"TelehubObject, parcel_tile_ID, cacheID) " +
  						"values (?RegionUUID, ?BlockTerraform, " +
 						"?BlockFly, ?AllowDamage, ?RestrictPushing, " +
 						"?AllowLandResell, ?AllowLandJoinDivide, " +
 						"?BlockShowInSearch, ?AgentLimit, ?ObjectBonus, " +
 						"?Maturity, ?DisableScripts, ?DisableCollisions, " +
 						"?DisablePhysics, ?TerrainTexture1, " +
 						"?TerrainTexture2, ?TerrainTexture3, " +
 						"?TerrainTexture4, ?Elevation1NW, ?Elevation2NW, " +
 						"?Elevation1NE, ?Elevation2NE, ?Elevation1SE, " +
 						"?Elevation2SE, ?Elevation1SW, ?Elevation2SW, " +
 						"?WaterHeight, ?TerrainRaiseLimit, " +
 						"?TerrainLowerLimit, ?UseEstateSun, ?FixedSun, " +
 						"?SunPosition, ?Covenant, ?CovenantChangedDateTime, ?Sandbox, " +
 						"?SunVectorX, ?SunVectorY, ?SunVectorZ, " +
 						"?LoadedCreationDateTime, ?LoadedCreationID, " +
 						"?TerrainImageID, ?block_search, ?casino, " +
 						"?TelehubObject, ?ParcelImageID, ?cacheID)";

					FillRegionSettingsCommand(cmd, rs);
					ExecuteNonQuery(cmd);
				}
				dbcon.Close();
				SaveSpawnPoints(rs);
			}
		}

		public virtual List<LandData> LoadLandObjects(UUID regionUUID)
		{
			List<LandData> landData = new List<LandData>();

			lock (m_dbLock)
			{
				using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
				{
					dbcon.Open();

					using (MySqlCommand cmd = dbcon.CreateCommand())
					{
						cmd.CommandText = "select * from land where RegionUUID = ?RegionUUID";
						cmd.Parameters.AddWithValue("RegionUUID", regionUUID.ToString());

						using (IDataReader reader = ExecuteReader(cmd))
						{
							while (reader.Read())
							{
								LandData newLand = BuildLandData(reader);
								landData.Add(newLand);
							}
						}
					}

					using (MySqlCommand cmd = dbcon.CreateCommand())
					{
						foreach (LandData land in landData)
						{
							cmd.Parameters.Clear();
							cmd.CommandText = "select * from landaccesslist where LandUUID = ?LandUUID";
							cmd.Parameters.AddWithValue("LandUUID", land.GlobalID.ToString());

							using (IDataReader reader = ExecuteReader(cmd))
							{
								while (reader.Read())
								{
									land.ParcelAccessList.Add(BuildLandAccessData(reader));
								}
							}
						}
					}
					dbcon.Close();
				}
			}

			return landData;
		}

		public void Shutdown()
		{
		}

		private SceneObjectPart BuildPrim(IDataReader row)
		{
			SceneObjectPart prim = new SceneObjectPart();

			// depending on the MySQL connector version, CHAR(36) may be already converted to Guid!
			prim.UUID = DBGuid.FromDB(row["UUID"]);
			prim.CreatorIdentification = (string)row["CreatorID"];
			prim.OwnerID = DBGuid.FromDB(row["OwnerID"]);
			prim.GroupID = DBGuid.FromDB(row["GroupID"]);
			prim.LastOwnerID = DBGuid.FromDB(row["LastOwnerID"]);
			if (row["RezzerID"] != DBNull.Value)
				prim.RezzerID = DBGuid.FromDB(row["RezzerID"]);
			else
				prim.RezzerID = UUID.Zero;

			// explicit conversion of integers is required, which sort
			// of sucks.  No idea if there is a shortcut here or not.
			try {
				prim.CreationDate = (int)row["CreationDate"];
				}
			catch (Exception e)
			{
					m_log.ErrorFormat("[MYSQL DB]: Invalid CreationDate cast to integer: prim UUID was {0}, date was {1}, exception was {2}", row["UUID"].ToString(), row["CreationDate"].ToString(), e.ToString());
			}
			if (row["Name"] != DBNull.Value)
				prim.Name = (string)row["Name"];
			else
				prim.Name = String.Empty;
			// Various text fields
			prim.Text = (string)row["Text"];
			prim.Color = Color.FromArgb((int)row["ColorA"],
										(int)row["ColorR"],
										(int)row["ColorG"],
										(int)row["ColorB"]);
			prim.Description = (string)row["Description"];
			prim.SitName = (string)row["SitName"];
			prim.TouchName = (string)row["TouchName"];
			// Permissions
			prim.Flags = (PrimFlags)(int)row["ObjectFlags"];
			prim.OwnerMask = (uint)(int)row["OwnerMask"];
			prim.NextOwnerMask = (uint)(int)row["NextOwnerMask"];
			prim.GroupMask = (uint)(int)row["GroupMask"];
			prim.EveryoneMask = (uint)(int)row["EveryoneMask"];
			prim.BaseMask = (uint)(int)row["BaseMask"];

			// Vectors
			prim.OffsetPosition = new Vector3(
				(float)row["PositionX"],
				(float)row["PositionY"],
				(float)row["PositionZ"]
				);
			prim.GroupPosition = new Vector3(
				(float)row["GroupPositionX"],
				(float)row["GroupPositionY"],
				(float)row["GroupPositionZ"]
				);
			prim.Velocity = new Vector3(
				(float)row["VelocityX"],
				(float)row["VelocityY"],
				(float)row["VelocityZ"]
				);
			prim.AngularVelocity = new Vector3(
				(float)row["AngularVelocityX"],
				(float)row["AngularVelocityY"],
				(float)row["AngularVelocityZ"]
				);
			prim.Acceleration = new Vector3(
				(float)row["AccelerationX"],
				(float)row["AccelerationY"],
				(float)row["AccelerationZ"]
				);
			// quaternions
			prim.RotationOffset = new Quaternion(
				(float)row["RotationX"],
				(float)row["RotationY"],
				(float)row["RotationZ"],
				(float)row["RotationW"]
				);
			prim.SitTargetPositionLL = new Vector3(
				(float)row["SitTargetOffsetX"],
				(float)row["SitTargetOffsetY"],
				(float)row["SitTargetOffsetZ"]
				);
			prim.SitTargetOrientationLL = new Quaternion(
				(float)row["SitTargetOrientX"],
				(float)row["SitTargetOrientY"],
				(float)row["SitTargetOrientZ"],
				(float)row["SitTargetOrientW"]
				);

			prim.StandOffset = new Vector3(
				(float)row["standtargetx"],
				(float)row["standtargety"],
				(float)row["standtargetz"]
				);

			prim.SitActiveRange = (float)row["sitactrange"];

			prim.PayPrice[0] = (int)row["PayPrice"];
			prim.PayPrice[1] = (int)row["PayButton1"];
			prim.PayPrice[2] = (int)row["PayButton2"];
			prim.PayPrice[3] = (int)row["PayButton3"];
			prim.PayPrice[4] = (int)row["PayButton4"];

			prim.Sound = DBGuid.FromDB(row["LoopedSound"].ToString());
			prim.SoundGain = (float)row["LoopedSoundGain"];
			if (prim.Sound != UUID.Zero)
				prim.SoundFlags = 1; // If it's persisted at all, it's looped
			else
				prim.SoundFlags = 0;

			if (!(row["TextureAnimation"] is DBNull))
				prim.TextureAnimation = (byte[])row["TextureAnimation"];
			if (!(row["ParticleSystem"] is DBNull))
				prim.ParticleSystem = (byte[])row["ParticleSystem"];

			prim.SetCameraEyeOffset(new Vector3(
				(float)row["CameraEyeOffsetX"],
				(float)row["CameraEyeOffsetY"],
				(float)row["CameraEyeOffsetZ"]
				));

			prim.SetCameraAtOffset(new Vector3(
				(float)row["CameraAtOffsetX"],
				(float)row["CameraAtOffsetY"],
				(float)row["CameraAtOffsetZ"]
				));

			prim.SetForceMouselook((sbyte)row["ForceMouselook"] != 0);
			prim.ScriptAccessPin = (int)row["ScriptAccessPin"];
			prim.AllowedDrop = ((sbyte)row["AllowedDrop"] != 0);
			prim.DIE_AT_EDGE = ((sbyte)row["DieAtEdge"] != 0);

			prim.SalePrice = (int)row["SalePrice"];
			prim.ObjectSaleType = unchecked((byte)(sbyte)row["SaleType"]);

			prim.Material = unchecked((byte)(sbyte)row["Material"]);

			if (!(row["ClickAction"] is DBNull))
				prim.ClickAction = unchecked((byte)(sbyte)row["ClickAction"]);

			prim.CollisionSound = DBGuid.FromDB(row["CollisionSound"]);
			prim.CollisionSoundVolume = (float)(double)row["CollisionSoundVolume"];

			prim.PassTouches = ((sbyte)row["PassTouches"] != 0);
			prim.PassCollisions = ((sbyte)row["PassCollisions"] != 0);
			prim.LinkNum = (int)row["LinkNumber"];

			if (!(row["MediaURL"] is System.DBNull))
				prim.MediaUrl = (string)row["MediaURL"];

			if (!(row["AttachedPosX"] is System.DBNull))
			{
				prim.AttachedPos = new Vector3(
					(float)row["AttachedPosX"],
					(float)row["AttachedPosY"],
					(float)row["AttachedPosZ"]
					);
			}

			if (!(row["DynAttrs"] is System.DBNull))
				prim.DynAttrs = DAMap.FromXml((string)row["DynAttrs"]);
			else
				prim.DynAttrs = null;

			if (!(row["KeyframeMotion"] is DBNull))
			{
				Byte[] data = (byte[])row["KeyframeMotion"];
				if (data.Length > 0)
					prim.KeyframeMotion = KeyframeMotion.FromData(null, data);
				else
					prim.KeyframeMotion = null;
			}
			else
			{
				prim.KeyframeMotion = null;
			}

			prim.PhysicsShapeType = (byte)Convert.ToInt32(row["PhysicsShapeType"].ToString());
			prim.Density = (float)row["Density"];
			prim.GravityModifier = (float)row["GravityModifier"];
			prim.Friction = (float)row["Friction"];
			prim.Restitution = (float)row["Restitution"];
			prim.RotationAxisLocks = (byte)Convert.ToInt32(row["RotationAxisLocks"].ToString());

			SOPVehicle vehicle = null;

			if (row["Vehicle"].ToString() != String.Empty)
			{
				vehicle = SOPVehicle.FromXml2(row["Vehicle"].ToString());
				if (vehicle != null)
					prim.VehicleParams = vehicle;
			}

			PhysicsInertiaData pdata = null;
			if (row["PhysInertia"].ToString() != String.Empty)
				pdata = PhysicsInertiaData.FromXml2(row["PhysInertia"].ToString());
			prim.PhysicsInertia = pdata;

			if (!(row["sopanims"] is DBNull))
			{
				Byte[] data = (byte[])row["sopanims"];
				if (data.Length > 0)
					prim.DeSerializeAnimations(data);
				else
					prim.Animations = null;
			}
			else
			{
				prim.Animations = null;
			}

			prim.SitActiveRange = (float)row["sitactrange"];

			int pseudocrc = (int)row["pseudocrc"];
			if(pseudocrc != 0)
				prim.PseudoCRC = pseudocrc;

			return prim;
		}

		/// <summary>
		/// Build a prim inventory item from the persisted data.
		/// </summary>
		/// <param name="row"></param>
		/// <returns></returns>
		private static TaskInventoryItem BuildItem(IDataReader row)
		{
			try
			{
				TaskInventoryItem taskItem = new TaskInventoryItem();

				taskItem.ItemID		= DBGuid.FromDB(row["itemID"]);
				taskItem.ParentPartID  = DBGuid.FromDB(row["primID"]);
				taskItem.AssetID   	= DBGuid.FromDB(row["assetID"]);
				taskItem.ParentID  	= DBGuid.FromDB(row["parentFolderID"]);

				taskItem.InvType   	= Convert.ToInt32(row["invType"]);
				taskItem.Type  		= Convert.ToInt32(row["assetType"]);

				taskItem.Name  		= (String)row["name"];
				taskItem.Description   = (String)row["description"];
				taskItem.CreationDate  = Convert.ToUInt32(row["creationDate"]);
				taskItem.CreatorIdentification = (String)row["creatorID"];
				taskItem.OwnerID   	= DBGuid.FromDB(row["ownerID"]);
				taskItem.LastOwnerID   = DBGuid.FromDB(row["lastOwnerID"]);
				taskItem.GroupID   	= DBGuid.FromDB(row["groupID"]);

				taskItem.NextPermissions = Convert.ToUInt32(row["nextPermissions"]);
				taskItem.CurrentPermissions 	= Convert.ToUInt32(row["currentPermissions"]);
				taskItem.BasePermissions  	= Convert.ToUInt32(row["basePermissions"]);
				taskItem.EveryonePermissions  = Convert.ToUInt32(row["everyonePermissions"]);
				taskItem.GroupPermissions 	= Convert.ToUInt32(row["groupPermissions"]);
				taskItem.Flags 		= Convert.ToUInt32(row["flags"]);

				return taskItem;
			}
			catch
			{
				m_log.ErrorFormat("[MYSQL DB]: Error reading task inventory: itemID was {0}, primID was {1}", row["itemID"].ToString(), row["primID"].ToString());
				throw;
			}
		}

		private static RegionSettings BuildRegionSettings(IDataReader row)
		{
			RegionSettings newSettings = new RegionSettings();

			newSettings.RegionUUID = DBGuid.FromDB(row["regionUUID"]);
			newSettings.BlockTerraform = Convert.ToBoolean(row["block_terraform"]);
			newSettings.AllowDamage = Convert.ToBoolean(row["allow_damage"]);
			newSettings.BlockFly = Convert.ToBoolean(row["block_fly"]);
			newSettings.RestrictPushing = Convert.ToBoolean(row["restrict_pushing"]);
			newSettings.AllowLandResell = Convert.ToBoolean(row["allow_land_resell"]);
			newSettings.AllowLandJoinDivide = Convert.ToBoolean(row["allow_land_join_divide"]);
			newSettings.BlockShowInSearch = Convert.ToBoolean(row["block_show_in_search"]);
			newSettings.AgentLimit = Convert.ToInt32(row["agent_limit"]);
			newSettings.ObjectBonus = Convert.ToDouble(row["object_bonus"]);
			newSettings.Maturity = Convert.ToInt32(row["maturity"]);
			newSettings.DisableScripts = Convert.ToBoolean(row["disable_scripts"]);
			newSettings.DisableCollisions = Convert.ToBoolean(row["disable_collisions"]);
			newSettings.DisablePhysics = Convert.ToBoolean(row["disable_physics"]);
			newSettings.TerrainTexture1 = DBGuid.FromDB(row["terrain_texture_1"]);
			newSettings.TerrainTexture2 = DBGuid.FromDB(row["terrain_texture_2"]);
			newSettings.TerrainTexture3 = DBGuid.FromDB(row["terrain_texture_3"]);
			newSettings.TerrainTexture4 = DBGuid.FromDB(row["terrain_texture_4"]);
			newSettings.Elevation1NW = Convert.ToDouble(row["elevation_1_nw"]);
			newSettings.Elevation2NW = Convert.ToDouble(row["elevation_2_nw"]);
			newSettings.Elevation1NE = Convert.ToDouble(row["elevation_1_ne"]);
			newSettings.Elevation2NE = Convert.ToDouble(row["elevation_2_ne"]);
			newSettings.Elevation1SE = Convert.ToDouble(row["elevation_1_se"]);
			newSettings.Elevation2SE = Convert.ToDouble(row["elevation_2_se"]);
			newSettings.Elevation1SW = Convert.ToDouble(row["elevation_1_sw"]);
			newSettings.Elevation2SW = Convert.ToDouble(row["elevation_2_sw"]);
			newSettings.WaterHeight = Convert.ToDouble(row["water_height"]);
			newSettings.TerrainRaiseLimit = Convert.ToDouble(row["terrain_raise_limit"]);
			newSettings.TerrainLowerLimit = Convert.ToDouble(row["terrain_lower_limit"]);
			newSettings.UseEstateSun = Convert.ToBoolean(row["use_estate_sun"]);
			newSettings.Sandbox = Convert.ToBoolean(row["Sandbox"]);
			newSettings.SunVector = new Vector3 (
 												Convert.ToSingle(row["sunvectorx"]),
 												Convert.ToSingle(row["sunvectory"]),
 												Convert.ToSingle(row["sunvectorz"])
 												);
			newSettings.FixedSun = Convert.ToBoolean(row["fixed_sun"]);
			newSettings.SunPosition = Convert.ToDouble(row["sun_position"]);
			newSettings.Covenant = DBGuid.FromDB(row["covenant"]);
			newSettings.CovenantChangedDateTime = Convert.ToInt32(row["covenant_datetime"]);
			newSettings.LoadedCreationDateTime = Convert.ToInt32(row["loaded_creation_datetime"]);

			if (row["loaded_creation_id"] is DBNull)
				newSettings.LoadedCreationID = "";
			else
				newSettings.LoadedCreationID = (String) row["loaded_creation_id"];

			newSettings.TerrainImageID = DBGuid.FromDB(row["map_tile_ID"]);
			newSettings.ParcelImageID = DBGuid.FromDB(row["parcel_tile_ID"]);
			newSettings.TelehubObject = DBGuid.FromDB(row["TelehubObject"]);

			newSettings.GodBlockSearch = Convert.ToBoolean(row["block_search"]);
			newSettings.Casino = Convert.ToBoolean(row["casino"]);

			if (!(row["cacheID"] is DBNull))
				newSettings.CacheID = DBGuid.FromDB(row["cacheID"]);


			return newSettings;
		}

		/// <summary>
		///
		/// </summary>
		/// <param name="row"></param>
		/// <returns></returns>
		private static LandData BuildLandData(IDataReader row)
		{
			LandData newData = new LandData();

			newData.GlobalID = DBGuid.FromDB(row["UUID"]);
			newData.LocalID = Convert.ToInt32(row["LocalLandID"]);

			// Bitmap is a byte[512]
			newData.Bitmap = (Byte[]) row["Bitmap"];

			newData.Name = (String) row["Name"];
			newData.Description = (String) row["Description"];
			newData.OwnerID = DBGuid.FromDB(row["OwnerUUID"]);
			newData.IsGroupOwned = Convert.ToBoolean(row["IsGroupOwned"]);
			newData.Area = Convert.ToInt32(row["Area"]);
			newData.AuctionID = Convert.ToUInt32(row["AuctionID"]); //Unimplemented
			newData.Category = (ParcelCategory) Convert.ToInt32(row["Category"]);
				//Enum libsecondlife.Parcel.ParcelCategory
			newData.ClaimDate = Convert.ToInt32(row["ClaimDate"]);
			newData.ClaimPrice = Convert.ToInt32(row["ClaimPrice"]);
			newData.GroupID = DBGuid.FromDB(row["GroupUUID"]);
			newData.SalePrice = Convert.ToInt32(row["SalePrice"]);
			newData.Status = (ParcelStatus) Convert.ToInt32(row["LandStatus"]);
				//Enum. libsecondlife.Parcel.ParcelStatus
			newData.Flags = Convert.ToUInt32(row["LandFlags"]);
			newData.LandingType = Convert.ToByte(row["LandingType"]);
			newData.MediaAutoScale = Convert.ToByte(row["MediaAutoScale"]);
			newData.MediaID = DBGuid.FromDB(row["MediaTextureUUID"]);
			newData.MediaURL = (String) row["MediaURL"];
			newData.MusicURL = (String) row["MusicURL"];
			newData.PassHours = Convert.ToSingle(row["PassHours"]);
			newData.PassPrice = Convert.ToInt32(row["PassPrice"]);
			UUID authedbuyer = UUID.Zero;
			UUID snapshotID = UUID.Zero;

			UUID.TryParse((string)row["AuthBuyerID"], out authedbuyer);
			UUID.TryParse((string)row["SnapshotUUID"], out snapshotID);
			newData.OtherCleanTime = Convert.ToInt32(row["OtherCleanTime"]);
			newData.Dwell = Convert.ToSingle(row["Dwell"]);

			newData.AuthBuyerID = authedbuyer;
			newData.SnapshotID = snapshotID;
			try
			{
				newData.UserLocation =
					new Vector3(Convert.ToSingle(row["UserLocationX"]), Convert.ToSingle(row["UserLocationY"]),
  								Convert.ToSingle(row["UserLocationZ"]));
				newData.UserLookAt =
					new Vector3(Convert.ToSingle(row["UserLookAtX"]), Convert.ToSingle(row["UserLookAtY"]),
  								Convert.ToSingle(row["UserLookAtZ"]));
			}
			catch (InvalidCastException)
			{
				newData.UserLocation = Vector3.Zero;
				newData.UserLookAt = Vector3.Zero;
				m_log.ErrorFormat("[PARCEL]: unable to get parcel telehub settings for {1}", newData.Name);
			}

			newData.MediaDescription = (string) row["MediaDescription"];
			newData.MediaType = (string) row["MediaType"];
			newData.MediaWidth = Convert.ToInt32((((string) row["MediaSize"]).Split(','))[0]);
			newData.MediaHeight = Convert.ToInt32((((string) row["MediaSize"]).Split(','))[1]);
			newData.MediaLoop = Convert.ToBoolean(row["MediaLoop"]);
			newData.ObscureMusic = Convert.ToBoolean(row["ObscureMusic"]);
			newData.ObscureMedia = Convert.ToBoolean(row["ObscureMedia"]);

			newData.ParcelAccessList = new List<LandAccessEntry>();

			if (!(row["SeeAVs"] is System.DBNull))
				newData.SeeAVs = Convert.ToInt32(row["SeeAVs"]) != 0 ? true : false;
			if (!(row["AnyAVSounds"] is System.DBNull))
				newData.AnyAVSounds = Convert.ToInt32(row["AnyAVSounds"]) != 0 ? true : false;
			if (!(row["GroupAVSounds"] is System.DBNull))
				newData.GroupAVSounds = Convert.ToInt32(row["GroupAVSounds"]) != 0 ? true : false;

			if (row["environment"] is DBNull)
			{
				newData.Environment = null;
				newData.EnvironmentVersion = -1;
			}
			else
			{
				string env = (string)row["environment"];
				if(string.IsNullOrEmpty(env))
				{
					newData.Environment = null;
					newData.EnvironmentVersion = -1;
				}
				else
				{
					try
					{
						ViewerEnvironment VEnv = ViewerEnvironment.FromOSDString(env);
						newData.Environment = VEnv;
						newData.EnvironmentVersion = VEnv.version;
					}
					catch
					{
						newData.Environment = null;
						newData.EnvironmentVersion = -1;
					}
				}
			}
			return newData;
		}

		/// <summary>
		///
		/// </summary>
		/// <param name="row"></param>
		/// <returns></returns>
		private static LandAccessEntry BuildLandAccessData(IDataReader row)
		{
			LandAccessEntry entry = new LandAccessEntry();
			entry.AgentID = DBGuid.FromDB(row["AccessUUID"]);
			entry.Flags = (AccessList) Convert.ToInt32(row["Flags"]);
			entry.Expires = Convert.ToInt32(row["Expires"]);
			return entry;
		}

		/// <summary>
		/// Fill the prim command with prim values
		/// </summary>
		/// <param name="row"></param>
		/// <param name="prim"></param>
		/// <param name="sceneGroupID"></param>
		/// <param name="regionUUID"></param>
		private void FillPrimCommand(MySqlCommand cmd, SceneObjectPart prim, UUID sceneGroupID, UUID regionUUID)
		{
			cmd.Parameters.AddWithValue("UUID", prim.UUID.ToString());
			cmd.Parameters.AddWithValue("RegionUUID", regionUUID.ToString());
			cmd.Parameters.AddWithValue("CreationDate", prim.CreationDate);
			cmd.Parameters.AddWithValue("Name", prim.Name);
			cmd.Parameters.AddWithValue("SceneGroupID", sceneGroupID.ToString());
				// the UUID of the root part for this SceneObjectGroup
			// various text fields
			cmd.Parameters.AddWithValue("Text", prim.Text);
			cmd.Parameters.AddWithValue("ColorR", prim.Color.R);
			cmd.Parameters.AddWithValue("ColorG", prim.Color.G);
			cmd.Parameters.AddWithValue("ColorB", prim.Color.B);
			cmd.Parameters.AddWithValue("ColorA", prim.Color.A);
			cmd.Parameters.AddWithValue("Description", prim.Description);
			cmd.Parameters.AddWithValue("SitName", prim.SitName);
			cmd.Parameters.AddWithValue("TouchName", prim.TouchName);
			// permissions
			cmd.Parameters.AddWithValue("ObjectFlags", (uint)prim.Flags);
			cmd.Parameters.AddWithValue("CreatorID", prim.CreatorIdentification.ToString());
			cmd.Parameters.AddWithValue("OwnerID", prim.OwnerID.ToString());
			cmd.Parameters.AddWithValue("GroupID", prim.GroupID.ToString());
			cmd.Parameters.AddWithValue("LastOwnerID", prim.LastOwnerID.ToString());
			cmd.Parameters.AddWithValue("RezzerID", prim.RezzerID.ToString());
			cmd.Parameters.AddWithValue("OwnerMask", prim.OwnerMask);
			cmd.Parameters.AddWithValue("NextOwnerMask", prim.NextOwnerMask);
			cmd.Parameters.AddWithValue("GroupMask", prim.GroupMask);
			cmd.Parameters.AddWithValue("EveryoneMask", prim.EveryoneMask);
			cmd.Parameters.AddWithValue("BaseMask", prim.BaseMask);
			// vectors
			cmd.Parameters.AddWithValue("PositionX", prim.OffsetPosition.X);
			cmd.Parameters.AddWithValue("PositionY", prim.OffsetPosition.Y);
			cmd.Parameters.AddWithValue("PositionZ", prim.OffsetPosition.Z);
			cmd.Parameters.AddWithValue("GroupPositionX", prim.GroupPosition.X);
			cmd.Parameters.AddWithValue("GroupPositionY", prim.GroupPosition.Y);
			cmd.Parameters.AddWithValue("GroupPositionZ", prim.GroupPosition.Z);
			cmd.Parameters.AddWithValue("VelocityX", prim.Velocity.X);
			cmd.Parameters.AddWithValue("VelocityY", prim.Velocity.Y);
			cmd.Parameters.AddWithValue("VelocityZ", prim.Velocity.Z);
			cmd.Parameters.AddWithValue("AngularVelocityX", prim.AngularVelocity.X);
			cmd.Parameters.AddWithValue("AngularVelocityY", prim.AngularVelocity.Y);
			cmd.Parameters.AddWithValue("AngularVelocityZ", prim.AngularVelocity.Z);
			cmd.Parameters.AddWithValue("AccelerationX", prim.Acceleration.X);
			cmd.Parameters.AddWithValue("AccelerationY", prim.Acceleration.Y);
			cmd.Parameters.AddWithValue("AccelerationZ", prim.Acceleration.Z);

			cmd.Parameters.AddWithValue("standtargetx", prim.StandOffset.X);
			cmd.Parameters.AddWithValue("standtargety", prim.StandOffset.Y);
			cmd.Parameters.AddWithValue("standtargetz", prim.StandOffset.Z);

			// quaternions
			cmd.Parameters.AddWithValue("RotationX", prim.RotationOffset.X);
			cmd.Parameters.AddWithValue("RotationY", prim.RotationOffset.Y);
			cmd.Parameters.AddWithValue("RotationZ", prim.RotationOffset.Z);
			cmd.Parameters.AddWithValue("RotationW", prim.RotationOffset.W);

			// Sit target
			Vector3 sitTargetPos = prim.SitTargetPositionLL;
			cmd.Parameters.AddWithValue("SitTargetOffsetX", sitTargetPos.X);
			cmd.Parameters.AddWithValue("SitTargetOffsetY", sitTargetPos.Y);
			cmd.Parameters.AddWithValue("SitTargetOffsetZ", sitTargetPos.Z);

			Quaternion sitTargetOrient = prim.SitTargetOrientationLL;
			cmd.Parameters.AddWithValue("SitTargetOrientW", sitTargetOrient.W);
			cmd.Parameters.AddWithValue("SitTargetOrientX", sitTargetOrient.X);
			cmd.Parameters.AddWithValue("SitTargetOrientY", sitTargetOrient.Y);
			cmd.Parameters.AddWithValue("SitTargetOrientZ", sitTargetOrient.Z);

			cmd.Parameters.AddWithValue("PayPrice", prim.PayPrice[0]);
			cmd.Parameters.AddWithValue("PayButton1", prim.PayPrice[1]);
			cmd.Parameters.AddWithValue("PayButton2", prim.PayPrice[2]);
			cmd.Parameters.AddWithValue("PayButton3", prim.PayPrice[3]);
			cmd.Parameters.AddWithValue("PayButton4", prim.PayPrice[4]);

			if ((prim.SoundFlags & 1) != 0) // Looped
			{
				cmd.Parameters.AddWithValue("LoopedSound", prim.Sound.ToString());
				cmd.Parameters.AddWithValue("LoopedSoundGain", (float)prim.SoundGain);
			}
			else
			{
				cmd.Parameters.AddWithValue("LoopedSound", UUID.Zero);
				cmd.Parameters.AddWithValue("LoopedSoundGain", 0.0f);
			}

			cmd.Parameters.AddWithValue("TextureAnimation", prim.TextureAnimation);
			cmd.Parameters.AddWithValue("ParticleSystem", prim.ParticleSystem);

			cmd.Parameters.AddWithValue("CameraEyeOffsetX", prim.GetCameraEyeOffset().X);
			cmd.Parameters.AddWithValue("CameraEyeOffsetY", prim.GetCameraEyeOffset().Y);
			cmd.Parameters.AddWithValue("CameraEyeOffsetZ", prim.GetCameraEyeOffset().Z);

			cmd.Parameters.AddWithValue("CameraAtOffsetX", prim.GetCameraAtOffset().X);
			cmd.Parameters.AddWithValue("CameraAtOffsetY", prim.GetCameraAtOffset().Y);
			cmd.Parameters.AddWithValue("CameraAtOffsetZ", prim.GetCameraAtOffset().Z);

			if (prim.GetForceMouselook())
				cmd.Parameters.AddWithValue("ForceMouselook", 1);
			else
				cmd.Parameters.AddWithValue("ForceMouselook", 0);

			cmd.Parameters.AddWithValue("ScriptAccessPin", prim.ScriptAccessPin);

			if (prim.AllowedDrop)
				cmd.Parameters.AddWithValue("AllowedDrop", 1);
			else
				cmd.Parameters.AddWithValue("AllowedDrop", 0);

			if (prim.DIE_AT_EDGE)
				cmd.Parameters.AddWithValue("DieAtEdge", 1);
			else
				cmd.Parameters.AddWithValue("DieAtEdge", 0);

			cmd.Parameters.AddWithValue("SalePrice", prim.SalePrice);
			cmd.Parameters.AddWithValue("SaleType", unchecked((sbyte)(prim.ObjectSaleType)));

			byte clickAction = prim.ClickAction;
			cmd.Parameters.AddWithValue("ClickAction", unchecked((sbyte)(clickAction)));

			cmd.Parameters.AddWithValue("Material", unchecked((sbyte)(prim.Material)));

			cmd.Parameters.AddWithValue("CollisionSound", prim.CollisionSound.ToString());
			cmd.Parameters.AddWithValue("CollisionSoundVolume", prim.CollisionSoundVolume);

			if (prim.PassTouches)
				cmd.Parameters.AddWithValue("PassTouches", 1);
			else
				cmd.Parameters.AddWithValue("PassTouches", 0);

			if (prim.PassCollisions)
				cmd.Parameters.AddWithValue("PassCollisions", 1);
			else
				cmd.Parameters.AddWithValue("PassCollisions", 0);

			cmd.Parameters.AddWithValue("LinkNumber", prim.LinkNum);
			cmd.Parameters.AddWithValue("MediaURL", prim.MediaUrl);

			if (prim.AttachedPos != null)
			{
				cmd.Parameters.AddWithValue("AttachedPosX", prim.AttachedPos.X);
				cmd.Parameters.AddWithValue("AttachedPosY", prim.AttachedPos.Y);
				cmd.Parameters.AddWithValue("AttachedPosZ", prim.AttachedPos.Z);
			}

			if (prim.KeyframeMotion != null)
				cmd.Parameters.AddWithValue("KeyframeMotion", prim.KeyframeMotion.Serialize());
			else
				cmd.Parameters.AddWithValue("KeyframeMotion", new Byte[0]);

			if (prim.PhysicsInertia != null)
				cmd.Parameters.AddWithValue("PhysInertia", prim.PhysicsInertia.ToXml2());
			else
				cmd.Parameters.AddWithValue("PhysInertia", String.Empty);

			if (prim.VehicleParams != null)
				cmd.Parameters.AddWithValue("Vehicle", prim.VehicleParams.ToXml2());
			else
				cmd.Parameters.AddWithValue("Vehicle", String.Empty);

			if (prim.DynAttrs != null && prim.DynAttrs.CountNamespaces > 0)
				cmd.Parameters.AddWithValue("DynAttrs", prim.DynAttrs.ToXml());
			else
				cmd.Parameters.AddWithValue("DynAttrs", null);

			cmd.Parameters.AddWithValue("PhysicsShapeType", prim.PhysicsShapeType);
			cmd.Parameters.AddWithValue("Density", prim.Density);
			cmd.Parameters.AddWithValue("GravityModifier", prim.GravityModifier);
			cmd.Parameters.AddWithValue("Friction", prim.Friction);
			cmd.Parameters.AddWithValue("Restitution", prim.Restitution);
			cmd.Parameters.AddWithValue("RotationAxisLocks", prim.RotationAxisLocks);

			if (prim.Animations!= null)
				cmd.Parameters.AddWithValue("sopanims", prim.SerializeAnimations());
			else
				cmd.Parameters.AddWithValue("sopanims", null);

			cmd.Parameters.AddWithValue("sitactrange", prim.SitActiveRange);
			cmd.Parameters.AddWithValue("pseudocrc", prim.PseudoCRC);
		}

		/// <summary>
		///
		/// </summary>
		/// <param name="row"></param>
		/// <param name="taskItem"></param>
		private static void FillItemCommand(MySqlCommand cmd, TaskInventoryItem taskItem)
		{
			cmd.Parameters.AddWithValue("itemID", taskItem.ItemID);
			cmd.Parameters.AddWithValue("primID", taskItem.ParentPartID);
			cmd.Parameters.AddWithValue("assetID", taskItem.AssetID);
			cmd.Parameters.AddWithValue("parentFolderID", taskItem.ParentID);

			cmd.Parameters.AddWithValue("invType", taskItem.InvType);
			cmd.Parameters.AddWithValue("assetType", taskItem.Type);

			cmd.Parameters.AddWithValue("name", taskItem.Name);
			cmd.Parameters.AddWithValue("description", taskItem.Description);
			cmd.Parameters.AddWithValue("creationDate", taskItem.CreationDate);
			cmd.Parameters.AddWithValue("creatorID", taskItem.CreatorIdentification);
			cmd.Parameters.AddWithValue("ownerID", taskItem.OwnerID);
			cmd.Parameters.AddWithValue("lastOwnerID", taskItem.LastOwnerID);
			cmd.Parameters.AddWithValue("groupID", taskItem.GroupID);
			cmd.Parameters.AddWithValue("nextPermissions", taskItem.NextPermissions);
			cmd.Parameters.AddWithValue("currentPermissions", taskItem.CurrentPermissions);
			cmd.Parameters.AddWithValue("basePermissions", taskItem.BasePermissions);
			cmd.Parameters.AddWithValue("everyonePermissions", taskItem.EveryonePermissions);
			cmd.Parameters.AddWithValue("groupPermissions", taskItem.GroupPermissions);
			cmd.Parameters.AddWithValue("flags", taskItem.Flags);
		}

		/// <summary>
		///
		/// </summary>
		private static void FillRegionSettingsCommand(MySqlCommand cmd, RegionSettings settings)
		{
			cmd.Parameters.AddWithValue("RegionUUID", settings.RegionUUID.ToString());
			cmd.Parameters.AddWithValue("BlockTerraform", settings.BlockTerraform);
			cmd.Parameters.AddWithValue("BlockFly", settings.BlockFly);
			cmd.Parameters.AddWithValue("AllowDamage", settings.AllowDamage);
			cmd.Parameters.AddWithValue("RestrictPushing", settings.RestrictPushing);
			cmd.Parameters.AddWithValue("AllowLandResell", settings.AllowLandResell);
			cmd.Parameters.AddWithValue("AllowLandJoinDivide", settings.AllowLandJoinDivide);
			cmd.Parameters.AddWithValue("BlockShowInSearch", settings.BlockShowInSearch);
			cmd.Parameters.AddWithValue("AgentLimit", settings.AgentLimit);
			cmd.Parameters.AddWithValue("ObjectBonus", settings.ObjectBonus);
			cmd.Parameters.AddWithValue("Maturity", settings.Maturity);
			cmd.Parameters.AddWithValue("DisableScripts", settings.DisableScripts);
			cmd.Parameters.AddWithValue("DisableCollisions", settings.DisableCollisions);
			cmd.Parameters.AddWithValue("DisablePhysics", settings.DisablePhysics);
			cmd.Parameters.AddWithValue("TerrainTexture1", settings.TerrainTexture1.ToString());
			cmd.Parameters.AddWithValue("TerrainTexture2", settings.TerrainTexture2.ToString());
			cmd.Parameters.AddWithValue("TerrainTexture3", settings.TerrainTexture3.ToString());
			cmd.Parameters.AddWithValue("TerrainTexture4", settings.TerrainTexture4.ToString());
			cmd.Parameters.AddWithValue("Elevation1NW", settings.Elevation1NW);
			cmd.Parameters.AddWithValue("Elevation2NW", settings.Elevation2NW);
			cmd.Parameters.AddWithValue("Elevation1NE", settings.Elevation1NE);
			cmd.Parameters.AddWithValue("Elevation2NE", settings.Elevation2NE);
			cmd.Parameters.AddWithValue("Elevation1SE", settings.Elevation1SE);
			cmd.Parameters.AddWithValue("Elevation2SE", settings.Elevation2SE);
			cmd.Parameters.AddWithValue("Elevation1SW", settings.Elevation1SW);
			cmd.Parameters.AddWithValue("Elevation2SW", settings.Elevation2SW);
			cmd.Parameters.AddWithValue("WaterHeight", settings.WaterHeight);
			cmd.Parameters.AddWithValue("TerrainRaiseLimit", settings.TerrainRaiseLimit);
			cmd.Parameters.AddWithValue("TerrainLowerLimit", settings.TerrainLowerLimit);
			cmd.Parameters.AddWithValue("UseEstateSun", settings.UseEstateSun);
			cmd.Parameters.AddWithValue("Sandbox", settings.Sandbox);
			cmd.Parameters.AddWithValue("SunVectorX", settings.SunVector.X);
			cmd.Parameters.AddWithValue("SunVectorY", settings.SunVector.Y);
			cmd.Parameters.AddWithValue("SunVectorZ", settings.SunVector.Z);
			cmd.Parameters.AddWithValue("FixedSun", settings.FixedSun);
			cmd.Parameters.AddWithValue("SunPosition", settings.SunPosition);
			cmd.Parameters.AddWithValue("Covenant", settings.Covenant.ToString());
			cmd.Parameters.AddWithValue("CovenantChangedDateTime", settings.CovenantChangedDateTime);
			cmd.Parameters.AddWithValue("LoadedCreationDateTime", settings.LoadedCreationDateTime);
			cmd.Parameters.AddWithValue("LoadedCreationID", settings.LoadedCreationID);
			cmd.Parameters.AddWithValue("TerrainImageID", settings.TerrainImageID);
			cmd.Parameters.AddWithValue("block_search", settings.GodBlockSearch);
			cmd.Parameters.AddWithValue("casino", settings.Casino);

			cmd.Parameters.AddWithValue("ParcelImageID", settings.ParcelImageID);
			cmd.Parameters.AddWithValue("TelehubObject", settings.TelehubObject);
			cmd.Parameters.AddWithValue("cacheID", settings.CacheID);
		}

		/// <summary>
		///
		/// </summary>
		/// <param name="row"></param>
		/// <param name="land"></param>
		/// <param name="regionUUID"></param>
		private static void FillLandCommand(MySqlCommand cmd, LandData land, UUID regionUUID)
		{
			cmd.Parameters.AddWithValue("UUID", land.GlobalID.ToString());
			cmd.Parameters.AddWithValue("RegionUUID", regionUUID.ToString());
			cmd.Parameters.AddWithValue("LocalLandID", land.LocalID);

			// Bitmap is a byte[512]
			cmd.Parameters.AddWithValue("Bitmap", land.Bitmap);

			cmd.Parameters.AddWithValue("Name", land.Name);
			cmd.Parameters.AddWithValue("Description", land.Description);
			cmd.Parameters.AddWithValue("OwnerUUID", land.OwnerID.ToString());
			cmd.Parameters.AddWithValue("IsGroupOwned", land.IsGroupOwned);
			cmd.Parameters.AddWithValue("Area", land.Area);
			cmd.Parameters.AddWithValue("AuctionID", land.AuctionID); //Unemplemented
			cmd.Parameters.AddWithValue("Category", land.Category); //Enum libsecondlife.Parcel.ParcelCategory
			cmd.Parameters.AddWithValue("ClaimDate", land.ClaimDate);
			cmd.Parameters.AddWithValue("ClaimPrice", land.ClaimPrice);
			cmd.Parameters.AddWithValue("GroupUUID", land.GroupID.ToString());
			cmd.Parameters.AddWithValue("SalePrice", land.SalePrice);
			cmd.Parameters.AddWithValue("LandStatus", land.Status); //Enum. libsecondlife.Parcel.ParcelStatus
			cmd.Parameters.AddWithValue("LandFlags", land.Flags);
			cmd.Parameters.AddWithValue("LandingType", land.LandingType);
			cmd.Parameters.AddWithValue("MediaAutoScale", land.MediaAutoScale);
			cmd.Parameters.AddWithValue("MediaTextureUUID", land.MediaID.ToString());
			cmd.Parameters.AddWithValue("MediaURL", land.MediaURL);
			cmd.Parameters.AddWithValue("MusicURL", land.MusicURL);
			cmd.Parameters.AddWithValue("PassHours", land.PassHours);
			cmd.Parameters.AddWithValue("PassPrice", land.PassPrice);
			cmd.Parameters.AddWithValue("SnapshotUUID", land.SnapshotID.ToString());
			cmd.Parameters.AddWithValue("UserLocationX", land.UserLocation.X);
			cmd.Parameters.AddWithValue("UserLocationY", land.UserLocation.Y);
			cmd.Parameters.AddWithValue("UserLocationZ", land.UserLocation.Z);
			cmd.Parameters.AddWithValue("UserLookAtX", land.UserLookAt.X);
			cmd.Parameters.AddWithValue("UserLookAtY", land.UserLookAt.Y);
			cmd.Parameters.AddWithValue("UserLookAtZ", land.UserLookAt.Z);
			cmd.Parameters.AddWithValue("AuthBuyerID", land.AuthBuyerID);
			cmd.Parameters.AddWithValue("OtherCleanTime", land.OtherCleanTime);
			cmd.Parameters.AddWithValue("Dwell", land.Dwell);
			cmd.Parameters.AddWithValue("MediaDescription", land.MediaDescription);
			cmd.Parameters.AddWithValue("MediaType", land.MediaType);
			cmd.Parameters.AddWithValue("MediaWidth", land.MediaWidth);
			cmd.Parameters.AddWithValue("MediaHeight", land.MediaHeight);
			cmd.Parameters.AddWithValue("MediaLoop", land.MediaLoop);
			cmd.Parameters.AddWithValue("ObscureMusic", land.ObscureMusic);
			cmd.Parameters.AddWithValue("ObscureMedia", land.ObscureMedia);
			cmd.Parameters.AddWithValue("SeeAVs", land.SeeAVs ? 1 : 0);
			cmd.Parameters.AddWithValue("AnyAVSounds", land.AnyAVSounds ? 1 : 0);
			cmd.Parameters.AddWithValue("GroupAVSounds", land.GroupAVSounds ? 1 : 0);
			if (land.Environment == null)
				cmd.Parameters.AddWithValue("environment", "");
			else
			{
				try
				{
					cmd.Parameters.AddWithValue("environment", ViewerEnvironment.ToOSDString(land.Environment));
				}
				catch
				{
					cmd.Parameters.AddWithValue("environment", "");
				}
			}
		}

		/// <summary>
		///
		/// </summary>
		/// <param name="row"></param>
		/// <param name="entry"></param>
		/// <param name="parcelID"></param>
		private static void FillLandAccessCommand(MySqlCommand cmd, LandAccessEntry entry, UUID parcelID)
		{
			cmd.Parameters.AddWithValue("LandUUID", parcelID.ToString());
			cmd.Parameters.AddWithValue("AccessUUID", entry.AgentID.ToString());
			cmd.Parameters.AddWithValue("Flags", entry.Flags);
			cmd.Parameters.AddWithValue("Expires", entry.Expires.ToString());
		}

		/// <summary>
		///
		/// </summary>
		/// <param name="row"></param>
		/// <returns></returns>
		private PrimitiveBaseShape BuildShape(IDataReader row)
		{
			PrimitiveBaseShape s = new PrimitiveBaseShape();
			s.Scale = new Vector3(
				(float)(double)row["ScaleX"],
				(float)(double)row["ScaleY"],
				(float)(double)row["ScaleZ"]
			);
			// paths
			s.PCode = (byte)(int)row["PCode"];
			s.PathBegin = (ushort)(int)row["PathBegin"];
			s.PathEnd = (ushort)(int)row["PathEnd"];
			s.PathScaleX = (byte)(int)row["PathScaleX"];
			s.PathScaleY = (byte)(int)row["PathScaleY"];
			s.PathShearX = (byte)(int)row["PathShearX"];
			s.PathShearY = (byte)(int)row["PathShearY"];
			s.PathSkew = (sbyte)(int)row["PathSkew"];
			s.PathCurve = (byte)(int)row["PathCurve"];
			s.PathRadiusOffset = (sbyte)(int)row["PathRadiusOffset"];
			s.PathRevolutions = (byte)(int)row["PathRevolutions"];
			s.PathTaperX = (sbyte)(int)row["PathTaperX"];
			s.PathTaperY = (sbyte)(int)row["PathTaperY"];
			s.PathTwist = (sbyte)(int)row["PathTwist"];
			s.PathTwistBegin = (sbyte)(int)row["PathTwistBegin"];
			// profile
			s.ProfileBegin = (ushort)(int)row["ProfileBegin"];
			s.ProfileEnd = (ushort)(int)row["ProfileEnd"];
			s.ProfileCurve = (byte)(int)row["ProfileCurve"];
			s.ProfileHollow = (ushort)(int)row["ProfileHollow"];
			s.TextureEntry = (byte[])row["Texture"];

			s.ExtraParams = (byte[])row["ExtraParams"];

			s.State = (byte)(int)row["State"];
			s.LastAttachPoint = (byte)(int)row["LastAttachPoint"];

			if (!(row["Media"] is System.DBNull))
				s.Media = PrimitiveBaseShape.MediaList.FromXml((string)row["Media"]);

			return s;
		}

		/// <summary>
		///
		/// </summary>
		/// <param name="row"></param>
		/// <param name="prim"></param>
		private void FillShapeCommand(MySqlCommand cmd, SceneObjectPart prim)
		{
			PrimitiveBaseShape s = prim.Shape;
			cmd.Parameters.AddWithValue("UUID", prim.UUID.ToString());
			// shape is an enum
			cmd.Parameters.AddWithValue("Shape", 0);
			// vectors
			cmd.Parameters.AddWithValue("ScaleX", (double)s.Scale.X);
			cmd.Parameters.AddWithValue("ScaleY", (double)s.Scale.Y);
			cmd.Parameters.AddWithValue("ScaleZ", (double)s.Scale.Z);
			// paths
			cmd.Parameters.AddWithValue("PCode", s.PCode);
			cmd.Parameters.AddWithValue("PathBegin", s.PathBegin);
			cmd.Parameters.AddWithValue("PathEnd", s.PathEnd);
			cmd.Parameters.AddWithValue("PathScaleX", s.PathScaleX);
			cmd.Parameters.AddWithValue("PathScaleY", s.PathScaleY);
			cmd.Parameters.AddWithValue("PathShearX", s.PathShearX);
			cmd.Parameters.AddWithValue("PathShearY", s.PathShearY);
			cmd.Parameters.AddWithValue("PathSkew", s.PathSkew);
			cmd.Parameters.AddWithValue("PathCurve", s.PathCurve);
			cmd.Parameters.AddWithValue("PathRadiusOffset", s.PathRadiusOffset);
			cmd.Parameters.AddWithValue("PathRevolutions", s.PathRevolutions);
			cmd.Parameters.AddWithValue("PathTaperX", s.PathTaperX);
			cmd.Parameters.AddWithValue("PathTaperY", s.PathTaperY);
			cmd.Parameters.AddWithValue("PathTwist", s.PathTwist);
			cmd.Parameters.AddWithValue("PathTwistBegin", s.PathTwistBegin);
			// profile
			cmd.Parameters.AddWithValue("ProfileBegin", s.ProfileBegin);
			cmd.Parameters.AddWithValue("ProfileEnd", s.ProfileEnd);
			cmd.Parameters.AddWithValue("ProfileCurve", s.ProfileCurve);
			cmd.Parameters.AddWithValue("ProfileHollow", s.ProfileHollow);
			cmd.Parameters.AddWithValue("Texture", s.TextureEntry);
			cmd.Parameters.AddWithValue("ExtraParams", s.ExtraParams);
			cmd.Parameters.AddWithValue("State", s.State);
			cmd.Parameters.AddWithValue("LastAttachPoint", s.LastAttachPoint);
			cmd.Parameters.AddWithValue("Media", null == s.Media ? null : s.Media.ToXml());
		}

		public virtual void StorePrimInventory(UUID primID, ICollection<TaskInventoryItem> items)
		{
			lock (m_dbLock)
			{
				using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
				{
					dbcon.Open();

					using (MySqlCommand cmd = dbcon.CreateCommand())
					{
						cmd.CommandText = "delete from primitems where primID = ?PrimID";
						cmd.Parameters.AddWithValue("primID", primID.ToString());

						ExecuteNonQuery(cmd);

						if (items.Count == 0)
						{
							dbcon.Close();
							return;
						}

						cmd.Parameters.Clear();
						cmd.CommandText = "insert into primitems (" +
								"invType, assetType, name, " +
								"description, creationDate, nextPermissions, " +
								"currentPermissions, basePermissions, " +
								"everyonePermissions, groupPermissions, " +
								"flags, itemID, primID, assetID, " +
								"parentFolderID, creatorID, ownerID, " +
								"groupID, lastOwnerID) values (?invType, " +
								"?assetType, ?name, ?description, " +
								"?creationDate, ?nextPermissions, " +
								"?currentPermissions, ?basePermissions, " +
								"?everyonePermissions, ?groupPermissions, " +
								"?flags, ?itemID, ?primID, ?assetID, " +
								"?parentFolderID, ?creatorID, ?ownerID, " +
								"?groupID, ?lastOwnerID)";

						foreach (TaskInventoryItem item in items)
						{
							cmd.Parameters.Clear();

							FillItemCommand(cmd, item);

							ExecuteNonQuery(cmd);
						}
					}
					dbcon.Close();
				}
			}
		}

		public UUID[] GetObjectIDs(UUID regionID)
		{
			List<UUID> uuids = new List<UUID>();

			lock (m_dbLock)
			{
				using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
				{
					dbcon.Open();

					using (MySqlCommand cmd = dbcon.CreateCommand())
					{
						cmd.CommandText = "select UUID from prims where RegionUUID = ?RegionUUID and SceneGroupID = UUID";
						cmd.Parameters.AddWithValue("RegionUUID", regionID.ToString());

						using (IDataReader reader = ExecuteReader(cmd))
						{
							while (reader.Read())
							{
								UUID id = new UUID(reader["UUID"].ToString());

								uuids.Add(id);
							}
						}
					}
					dbcon.Close();
				}
			}

			return uuids.ToArray();
		}

		private void LoadSpawnPoints(RegionSettings rs)
		{
			rs.ClearSpawnPoints();

			lock (m_dbLock)
			{
				using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
				{
					dbcon.Open();

					using (MySqlCommand cmd = dbcon.CreateCommand())
					{
						cmd.CommandText = "select Yaw, Pitch, Distance from spawn_points where RegionID = ?RegionID";
						cmd.Parameters.AddWithValue("?RegionID", rs.RegionUUID.ToString());

						using (IDataReader r = cmd.ExecuteReader())
						{
							while (r.Read())
							{
								SpawnPoint sp = new SpawnPoint();

								sp.Yaw = (float)r["Yaw"];
								sp.Pitch = (float)r["Pitch"];
								sp.Distance = (float)r["Distance"];

								rs.AddSpawnPoint(sp);
							}
						}
					}
					dbcon.Close();
				}
			}
		}

		private void SaveSpawnPoints(RegionSettings rs)
		{
			lock (m_dbLock)
			{
				using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
				{
					dbcon.Open();

					using (MySqlCommand cmd = dbcon.CreateCommand())
					{
						cmd.CommandText = "delete from spawn_points where RegionID = ?RegionID";
						cmd.Parameters.AddWithValue("?RegionID", rs.RegionUUID.ToString());

						cmd.ExecuteNonQuery();

						cmd.Parameters.Clear();

						cmd.CommandText = "insert into spawn_points (RegionID, Yaw, Pitch, Distance) values ( ?RegionID, ?Yaw, ?Pitch, ?Distance)";

						foreach (SpawnPoint p in rs.SpawnPoints())
						{
							cmd.Parameters.AddWithValue("?RegionID", rs.RegionUUID.ToString());
							cmd.Parameters.AddWithValue("?Yaw", p.Yaw);
							cmd.Parameters.AddWithValue("?Pitch", p.Pitch);
							cmd.Parameters.AddWithValue("?Distance", p.Distance);

							cmd.ExecuteNonQuery();
							cmd.Parameters.Clear();
						}
					}
					dbcon.Close();
				}
			}
		}

		public void SaveExtra(UUID regionID, string name, string val)
		{
			using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
			{
				dbcon.Open();

				using (MySqlCommand cmd = dbcon.CreateCommand())
				{
					cmd.CommandText = "replace into regionextra values (?RegionID, ?Name, ?value)";
					cmd.Parameters.AddWithValue("?RegionID", regionID.ToString());
					cmd.Parameters.AddWithValue("?Name", name);
					cmd.Parameters.AddWithValue("?value", val);

					cmd.ExecuteNonQuery();
				}
				dbcon.Close();
			}
		}

		public void RemoveExtra(UUID regionID, string name)
		{
			using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
			{
				dbcon.Open();

				using (MySqlCommand cmd = dbcon.CreateCommand())
				{
					cmd.CommandText = "delete from regionextra where RegionID=?RegionID and Name=?Name";
					cmd.Parameters.AddWithValue("?RegionID", regionID.ToString());
					cmd.Parameters.AddWithValue("?Name", name);

					cmd.ExecuteNonQuery();
				}
				dbcon.Close();
			}
		}

		public Dictionary<string, string> GetExtra(UUID regionID)
		{
			Dictionary<string, string> ret = new Dictionary<string, string>();

			using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
			{
				dbcon.Open();

				using (MySqlCommand cmd = dbcon.CreateCommand())
				{
					cmd.CommandText = "select * from regionextra where RegionID=?RegionID";
					cmd.Parameters.AddWithValue("?RegionID", regionID.ToString());
					using (IDataReader r = cmd.ExecuteReader())
					{
						while (r.Read())
						{
							ret[r["Name"].ToString()] = r["value"].ToString();
						}
					}
				}
				dbcon.Close();
			}

			return ret;
		}
	}
}