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authorAdam Frisby2008-03-03 08:35:59 +0000
committerAdam Frisby2008-03-03 08:35:59 +0000
commitc5d1f87cd202663f2f26ca90a973d9763070dda3 (patch)
treeb1941867d13d1d3b29b46483e6b58cba536c72ca /OpenSim/Region/Environment/Modules/Terrain/FileLoaders/LLRAW.cs
parent* Applying Ahzz's profile patch. Thanks Ahzz! (diff)
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* 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
Diffstat (limited to 'OpenSim/Region/Environment/Modules/Terrain/FileLoaders/LLRAW.cs')
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1 files changed, 132 insertions, 0 deletions
diff --git a/OpenSim/Region/Environment/Modules/Terrain/FileLoaders/LLRAW.cs b/OpenSim/Region/Environment/Modules/Terrain/FileLoaders/LLRAW.cs
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1/*
2* Copyright (c) Contributors, http://opensimulator.org/
3* See CONTRIBUTORS.TXT for a full list of copyright holders.
4*
5* Redistribution and use in source and binary forms, with or without
6* modification, are permitted provided that the following conditions are met:
7* * Redistributions of source code must retain the above copyright
8* notice, this list of conditions and the following disclaimer.
9* * Redistributions in binary form must reproduce the above copyright
10* notice, this list of conditions and the following disclaimer in the
11* documentation and/or other materials provided with the distribution.
12* * Neither the name of the OpenSim Project nor the
13* names of its contributors may be used to endorse or promote products
14* derived from this software without specific prior written permission.
15*
16* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
17* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26*
27*/
28using System;
29using System.IO;
30using OpenSim.Region.Environment.Interfaces;
31
32namespace OpenSim.Region.Environment.Modules.Terrain.FileLoaders
33{
34 public class LLRAW : ITerrainLoader
35 {
36 #region ITerrainLoader Members
37
38 public ITerrainChannel LoadFile(string filename)
39 {
40 TerrainChannel retval = new TerrainChannel();
41
42 FileInfo file = new FileInfo(filename);
43 FileStream s = file.Open(FileMode.Open, FileAccess.Read);
44 BinaryReader bs = new BinaryReader(s);
45 int x, y;
46 for (y = 0; y < retval.Height; y++)
47 {
48 for (x = 0; x < retval.Width; x++)
49 {
50 retval[x, y] = (double)bs.ReadByte() * ((double)bs.ReadByte() / 127.0);
51 bs.ReadBytes(11); // Advance the stream to next bytes.
52 }
53 }
54
55 bs.Close();
56 s.Close();
57
58 return retval;
59 }
60
61 public void SaveFile(string filename, ITerrainChannel map)
62 {
63 FileInfo file = new FileInfo(filename);
64 FileStream s = file.Open(FileMode.CreateNew, FileAccess.Write);
65 BinaryWriter binStream = new BinaryWriter(s);
66
67 // Generate a smegging big lookup table to speed the operation up (it needs it)
68 double[] lookupHeightTable = new double[65536];
69 int i, j, x, y;
70 for (i = 0; i < 256; i++)
71 {
72 for (j = 0; j < 256; j++)
73 {
74 lookupHeightTable[i + (j * 256)] = ((double)i * ((double)j / 127.0));
75 }
76 }
77
78 // Output the calculated raw
79 for (y = 0; y < map.Height; y++)
80 {
81 for (x = 0; x < map.Width; x++)
82 {
83 double t = map[x, y];
84 double min = double.MaxValue;
85 int index = 0;
86
87 for (i = 0; i < 65536; i++)
88 {
89 if (Math.Abs(t - lookupHeightTable[i]) < min)
90 {
91 min = Math.Abs(t - lookupHeightTable[i]);
92 index = i;
93 }
94 }
95
96 byte red = (byte)(index & 0xFF);
97 byte green = (byte)((index >> 8) & 0xFF);
98 byte blue = 20;
99 byte alpha1 = 0; // Land Parcels
100 byte alpha2 = 0; // For Sale Land
101 byte alpha3 = 0; // Public Edit Object
102 byte alpha4 = 0; // Public Edit Land
103 byte alpha5 = 255; // Safe Land
104 byte alpha6 = 255; // Flying Allowed
105 byte alpha7 = 255; // Create Landmark
106 byte alpha8 = 255; // Outside Scripts
107 byte alpha9 = red;
108 byte alpha10 = green;
109
110 binStream.Write(red);
111 binStream.Write(green);
112 binStream.Write(blue);
113 binStream.Write(alpha1);
114 binStream.Write(alpha2);
115 binStream.Write(alpha3);
116 binStream.Write(alpha4);
117 binStream.Write(alpha5);
118 binStream.Write(alpha6);
119 binStream.Write(alpha7);
120 binStream.Write(alpha8);
121 binStream.Write(alpha9);
122 binStream.Write(alpha10);
123 }
124 }
125
126 binStream.Close();
127 s.Close();
128 }
129
130 #endregion
131 }
132}
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