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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 OpenSim.Region.Environment.Interfaces;
namespace OpenSim.Region.Environment.Modules.Terrain.FileLoaders
{
public class RAW32 : ITerrainLoader
{
#region ITerrainLoader Members
public ITerrainChannel LoadFile(string filename)
{
TerrainChannel retval = new TerrainChannel();
FileInfo file = new FileInfo(filename);
FileStream s = file.Open(FileMode.Open, FileAccess.Read);
BinaryReader bs = new BinaryReader(s);
int x, y;
for (y = 0; y < retval.Height; y++)
{
for (x = 0; x < retval.Width; x++)
{
retval[x, y] = bs.ReadSingle();
}
}
bs.Close();
s.Close();
return retval;
}
public override string ToString()
{
return "RAW32";
}
public ITerrainChannel LoadFile(string filename, int fileStartX, int fileStartY, int fileWidth, int fileHeight, int sectionWidth, int sectionHeight)
{
TerrainChannel retval = new TerrainChannel(sectionWidth, sectionHeight);
FileInfo file = new FileInfo(filename);
FileStream s = file.Open(FileMode.Open, FileAccess.Read);
BinaryReader bs = new BinaryReader(s);
// Advance to our section of the file
if (fileStartY * sectionHeight > 0)
bs.ReadBytes(fileStartY * sectionHeight);
int x, y;
for (y = 0; y < retval.Height; y++)
{
// Advance the stream if we aren't at the start of the section in the file
if (fileStartX * sectionWidth > 0)
bs.ReadBytes(fileStartX * sectionHeight);
for (x = 0; x < retval.Width; x++)
{
// Read a strip and continue
retval[x, y] = bs.ReadSingle();
}
}
bs.Close();
s.Close();
return retval;
}
public void SaveFile(string filename, ITerrainChannel map)
{
FileInfo file = new FileInfo(filename);
FileStream s = file.Open(FileMode.CreateNew, FileAccess.Write);
BinaryWriter bs = new BinaryWriter(s);
int x, y;
for (y = 0; y < map.Height; y++)
{
for (x = 0; x < map.Width; x++)
{
bs.Write((float)map[x, y]);
}
}
bs.Close();
s.Close();
}
#endregion
}
}
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