From c5d1f87cd202663f2f26ca90a973d9763070dda3 Mon Sep 17 00:00:00 2001 From: Adam Frisby Date: Mon, 3 Mar 2008 08:35:59 +0000 Subject: * Removed and sorted using clauses in a number of files. * Cleaned up ITerrainChannel * Implemented Raise, Lower, Smooth, Flatten, Noise Terrain Paint Brushes * Implemented Raise, Lower, Smooth, Flatten, Noise Terrain Fill Brushes * Implemented Export functionality for RAW32 terrain loader * Implemented Import/Export for SLRAW terrain loader * Implemented Export for JPEG terrain loader --- .../Modules/Terrain/FileLoaders/LLRAW.cs | 132 +++++++++++++++++++++ 1 file changed, 132 insertions(+) create mode 100644 OpenSim/Region/Environment/Modules/Terrain/FileLoaders/LLRAW.cs (limited to 'OpenSim/Region/Environment/Modules/Terrain/FileLoaders/LLRAW.cs') diff --git a/OpenSim/Region/Environment/Modules/Terrain/FileLoaders/LLRAW.cs b/OpenSim/Region/Environment/Modules/Terrain/FileLoaders/LLRAW.cs new file mode 100644 index 0000000..58dc6c7 --- /dev/null +++ b/OpenSim/Region/Environment/Modules/Terrain/FileLoaders/LLRAW.cs @@ -0,0 +1,132 @@ +/* +* 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 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 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(); + } + + #endregion + } +} -- cgit v1.1