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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.World.Terrain.FileLoaders
- {
- public class LLRAW : 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] = (double) bs.ReadByte() * ((double) bs.ReadByte() / 127.0);
- bs.ReadBytes(11); // Advance the stream to next bytes.
- }
- }
- bs.Close();
- s.Close();
- return retval;
- }
- public ITerrainChannel LoadFile(string filename, int x, int y, int fileWidth, int fileHeight, int w, int h)
- {
- throw new NotImplementedException();
- }
- public void SaveFile(string filename, ITerrainChannel map)
- {
- FileInfo file = new FileInfo(filename);
- FileStream s = file.Open(FileMode.CreateNew, FileAccess.Write);
- BinaryWriter binStream = new BinaryWriter(s);
- // Generate a smegging big lookup table to speed the operation up (it needs it)
- double[] lookupHeightTable = new double[65536];
- int i, j, x, y;
- for (i = 0; i < 256; i++)
- {
- for (j = 0; j < 256; j++)
- {
- lookupHeightTable[i + (j * 256)] = ((double) i * ((double) j / 127.0));
- }
- }
- // Output the calculated raw
- for (y = 0; y < map.Height; y++)
- {
- for (x = 0; x < map.Width; x++)
- {
- double t = map[x, y];
- double min = double.MaxValue;
- int index = 0;
- for (i = 0; i < 65536; i++)
- {
- if (Math.Abs(t - lookupHeightTable[i]) < min)
- {
- min = Math.Abs(t - lookupHeightTable[i]);
- index = i;
- }
- }
- byte red = (byte) (index & 0xFF);
- byte green = (byte) ((index >> 8) & 0xFF);
- byte blue = 20;
- byte alpha1 = 0; // Land Parcels
- byte alpha2 = 0; // For Sale Land
- byte alpha3 = 0; // Public Edit Object
- byte alpha4 = 0; // Public Edit Land
- byte alpha5 = 255; // Safe Land
- byte alpha6 = 255; // Flying Allowed
- byte alpha7 = 255; // Create Landmark
- byte alpha8 = 255; // Outside Scripts
- byte alpha9 = red;
- byte alpha10 = green;
- binStream.Write(red);
- binStream.Write(green);
- binStream.Write(blue);
- binStream.Write(alpha1);
- binStream.Write(alpha2);
- binStream.Write(alpha3);
- binStream.Write(alpha4);
- binStream.Write(alpha5);
- binStream.Write(alpha6);
- binStream.Write(alpha7);
- binStream.Write(alpha8);
- binStream.Write(alpha9);
- binStream.Write(alpha10);
- }
- }
- binStream.Close();
- s.Close();
- }
- public string FileExtension
- {
- get { return ".raw"; }
- }
- #endregion
- public override string ToString()
- {
- return "LL/SL RAW";
- }
- }
- }
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