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/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the 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
* 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.IO;
using System.Reflection;
using log4net;
using OpenMetaverse;
using OpenSim.Framework;
namespace OpenSim.Data.NHibernate
{
public class Terrain
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private double[,] map;
private UUID regionID;
public Terrain(UUID Region, double[,] array)
{
map = array;
regionID = Region;
}
public Terrain()
{
map = new double[Constants.RegionSize, Constants.RegionSize];
map.Initialize();
regionID = UUID.Zero;
}
public UUID RegionID
{
get { return regionID; }
set { regionID = value; }
}
public byte[] MapData
{
get { return serializeTerrain(map); }
set { map = parseTerrain(value); }
}
public double[,] Doubles
{
get {return map;}
set {map = value;}
}
private static double[,] parseTerrain(byte[] data)
{
double[,] terret = new double[Constants.RegionSize, Constants.RegionSize];
terret.Initialize();
MemoryStream str = new MemoryStream(data);
BinaryReader br = new BinaryReader(str);
try {
for (int x = 0; x < Constants.RegionSize; x++)
{
for (int y = 0; y < Constants.RegionSize; y++)
{
terret[x, y] = br.ReadDouble();
}
}
}
catch (Exception e)
{
m_log.Error("Issue parsing Map", e);
}
return terret;
}
private static byte[] serializeTerrain(double[,] val)
{
MemoryStream str = new MemoryStream((int) ((Constants.RegionSize*Constants.RegionSize)*sizeof (double)));
BinaryWriter bw = new BinaryWriter(str);
// TODO: COMPATIBILITY - Add byte-order conversions
for (int x = 0; x < Constants.RegionSize; x++)
{
for (int y = 0; y < Constants.RegionSize; y++)
{
double height = val[x, y];
if (height <= 0.0)
height = double.Epsilon;
bw.Write(height);
}
}
return str.ToArray();
}
}
}
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