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diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/Terragen.cs b/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/Terragen.cs
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--- a/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/Terragen.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 System.Text;
31using OpenSim.Region.Framework.Interfaces;
32using OpenSim.Region.Framework.Scenes;
33
34namespace OpenSim.Region.Environment.Modules.World.Terrain.FileLoaders
35{
36 /// <summary>
37 /// Terragen File Format Loader
38 /// Built from specification at
39 /// http://www.planetside.co.uk/terragen/dev/tgterrain.html
40 /// </summary>
41 internal class Terragen : ITerrainLoader
42 {
43 #region ITerrainLoader Members
44
45 public ITerrainChannel LoadFile(string filename)
46 {
47 FileInfo file = new FileInfo(filename);
48 FileStream s = file.Open(FileMode.Open, FileAccess.Read);
49 ITerrainChannel retval = LoadStream(s);
50
51 s.Close();
52
53 return retval;
54 }
55
56 public ITerrainChannel LoadStream(Stream s)
57 {
58 TerrainChannel retval = new TerrainChannel();
59
60 BinaryReader bs = new BinaryReader(s);
61
62 bool eof = false;
63 if (Encoding.ASCII.GetString(bs.ReadBytes(16)) == "TERRAGENTERRAIN ")
64 {
65 int w = 256;
66 int h = 256;
67
68 // Terragen file
69 while (eof == false)
70 {
71 string tmp = Encoding.ASCII.GetString(bs.ReadBytes(4));
72 switch (tmp)
73 {
74 case "SIZE":
75 int sztmp = bs.ReadInt16() + 1;
76 w = sztmp;
77 h = sztmp;
78 bs.ReadInt16();
79 break;
80 case "XPTS":
81 w = bs.ReadInt16();
82 bs.ReadInt16();
83 break;
84 case "YPTS":
85 h = bs.ReadInt16();
86 bs.ReadInt16();
87 break;
88 case "ALTW":
89 eof = true;
90 Int16 heightScale = bs.ReadInt16();
91 Int16 baseHeight = bs.ReadInt16();
92 retval = new TerrainChannel(w, h);
93 int x;
94 for (x = 0; x < w; x++)
95 {
96 int y;
97 for (y = 0; y < h; y++)
98 {
99 retval[x, y] = baseHeight + bs.ReadInt16() * (double) heightScale / 65536.0;
100 }
101 }
102 break;
103 default:
104 bs.ReadInt32();
105 break;
106 }
107 }
108 }
109
110 bs.Close();
111
112 return retval;
113 }
114
115 public void SaveFile(string filename, ITerrainChannel map)
116 {
117 throw new NotImplementedException();
118 }
119
120 public void SaveStream(Stream stream, ITerrainChannel map)
121 {
122 throw new NotImplementedException();
123 }
124
125 public string FileExtension
126 {
127 get { return ".ter"; }
128 }
129
130 public ITerrainChannel LoadFile(string filename, int x, int y, int fileWidth, int fileHeight, int w, int h)
131 {
132 throw new NotImplementedException();
133 }
134
135 #endregion
136
137 public override string ToString()
138 {
139 return "Terragen";
140 }
141 }
142}