119 lines
4.1 KiB
C#
119 lines
4.1 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.IO;
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using System.Reflection;
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using log4net;
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using OpenMetaverse;
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using OpenSim.Framework;
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namespace OpenSim.Data.NHibernate
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{
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public class Terrain
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{
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private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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private double[,] map;
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private UUID regionID;
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public Terrain(UUID Region, double[,] array)
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{
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map = array;
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regionID = Region;
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}
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public Terrain()
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{
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map = new double[Constants.RegionSize, Constants.RegionSize];
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map.Initialize();
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regionID = UUID.Zero;
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}
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public UUID RegionID
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{
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get { return regionID; }
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set { regionID = value; }
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}
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public byte[] MapData
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{
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get { return serializeTerrain(map); }
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set { map = parseTerrain(value); }
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}
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public double[,] Doubles
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{
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get {return map;}
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set {map = value;}
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}
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private static double[,] parseTerrain(byte[] data)
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{
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double[,] terret = new double[Constants.RegionSize, Constants.RegionSize];
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terret.Initialize();
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MemoryStream str = new MemoryStream(data);
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BinaryReader br = new BinaryReader(str);
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try {
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for (int x = 0; x < Constants.RegionSize; x++)
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{
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for (int y = 0; y < Constants.RegionSize; y++)
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{
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terret[x, y] = br.ReadDouble();
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}
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}
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}
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catch (Exception e)
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{
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m_log.Error("Issue parsing Map", e);
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}
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return terret;
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}
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private static byte[] serializeTerrain(double[,] val)
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{
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MemoryStream str = new MemoryStream((int) ((Constants.RegionSize*Constants.RegionSize)*sizeof (double)));
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BinaryWriter bw = new BinaryWriter(str);
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// TODO: COMPATIBILITY - Add byte-order conversions
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for (int x = 0; x < Constants.RegionSize; x++)
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{
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for (int y = 0; y < Constants.RegionSize; y++)
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{
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double height = val[x, y];
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if (height <= 0.0)
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height = double.Epsilon;
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bw.Write(height);
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}
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}
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return str.ToArray();
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}
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}
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}
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