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-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/Effects/CookieCutter.cs124
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/Effects/DefaultTerrainGenerator.cs55
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/BMP.cs62
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/GIF.cs48
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/GenericSystemDrawing.cs172
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/JPEG.cs94
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/LLRAW.cs148
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/PNG.cs48
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/RAW32.cs153
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/TIFF.cs48
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/Terragen.cs127
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/FloodBrushes/FlattenArea.cs71
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/FloodBrushes/LowerArea.cs54
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/FloodBrushes/NoiseArea.cs56
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/FloodBrushes/RaiseArea.cs53
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/FloodBrushes/RevertArea.cs60
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/FloodBrushes/SmoothArea.cs114
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/ITerrainEffect.cs36
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/ITerrainFloodEffect.cs37
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/ITerrainLoader.cs39
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/ITerrainModule.cs8
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/ITerrainPaintableEffect.cs36
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/MapImageModule.cs168
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/ErodeSphere.cs312
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/FlattenSphere.cs127
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/LowerSphere.cs67
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/NoiseSphere.cs70
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/OlsenSphere.cs225
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/RaiseSphere.cs67
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/RevertSphere.cs82
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/SmoothSphere.cs93
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/WeatherSphere.cs207
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/TerrainChannel.cs157
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/TerrainException.cs46
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/TerrainModule.cs737
-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/TerrainUtil.cs133
36 files changed, 4134 insertions, 0 deletions
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/Effects/CookieCutter.cs b/OpenSim/Region/Environment/Modules/World/Terrain/Effects/CookieCutter.cs
new file mode 100644
index 0000000..731326e
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/Effects/CookieCutter.cs
@@ -0,0 +1,124 @@
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 */
27using System;
28using OpenSim.Region.Environment.Interfaces;
29using OpenSim.Region.Environment.Modules.World.Terrain.FloodBrushes;
30using OpenSim.Region.Environment.Modules.World.Terrain.PaintBrushes;
31
32namespace OpenSim.Region.Environment.Modules.World.Terrain.Effects
33{
34 internal class CookieCutter : ITerrainEffect
35 {
36 #region ITerrainEffect Members
37
38 public void RunEffect(ITerrainChannel map)
39 {
40 SmoothArea smooth = new SmoothArea();
41 ITerrainPaintableEffect eroder = new WeatherSphere();
42
43 bool[,] cliffMask = new bool[map.Width,map.Height];
44 bool[,] channelMask = new bool[map.Width,map.Height];
45 bool[,] smoothMask = new bool[map.Width,map.Height];
46
47 Console.WriteLine("S1");
48
49 // Step one, generate rough mask
50 int x, y;
51 for (x = 0; x < map.Width; x++)
52 {
53 for (y = 0; y < map.Height; y++)
54 {
55 Console.Write(".");
56 smoothMask[x, y] = true;
57
58 // Start underwater
59 map[x, y] = TerrainUtil.PerlinNoise2D(x, y, 3, 0.25) * 5;
60 // Add a little height. (terrain should now be above water, mostly.)
61 map[x, y] += 20;
62
63 int channelsX = 4;
64 int channelWidth = (map.Width / channelsX / 4);
65 int channelsY = 4;
66 int channelHeight = (map.Height / channelsY / 4);
67
68 SetLowerChannel(map, cliffMask, channelMask, x, y, channelsX, channelWidth, map.Width, x);
69 SetLowerChannel(map, cliffMask, channelMask, x, y, channelsY, channelHeight, map.Height, y);
70 }
71 }
72
73 Console.WriteLine("S2");
74 //smooth.FloodEffect(map, smoothMask, 4.0);
75
76 Console.WriteLine("S3");
77 for (x = 0; x < map.Width; x++)
78 {
79 for (y = 0; y < map.Height; y++)
80 {
81 if (cliffMask[x, y] == true)
82 eroder.PaintEffect(map, x, y, 4, 0.1);
83 }
84 }
85
86 for (x = 0; x < map.Width; x += 2)
87 {
88 for (y = 0; y < map.Height; y += 2)
89 {
90 if (map[x, y] < 0.1)
91 map[x, y] = 0.1;
92 if (map[x, y] > 256)
93 map[x, y] = 256;
94 }
95 }
96 //smooth.FloodEffect(map, smoothMask, 4.0);
97 }
98
99 #endregion
100
101 private static void SetLowerChannel(ITerrainChannel map, bool[,] cliffMask, bool[,] channelMask, int x, int y, int numChannels, int channelWidth,
102 int mapSize, int rp)
103 {
104 for (int i = 0; i < numChannels; i++)
105 {
106 double distanceToLine = Math.Abs(rp - ((mapSize / numChannels) * i));
107
108 if (distanceToLine < channelWidth)
109 {
110 if (channelMask[x, y])
111 return;
112
113 // Remove channels
114 map[x, y] -= 10;
115 channelMask[x, y] = true;
116 }
117 if (distanceToLine < 1)
118 {
119 cliffMask[x, y] = true;
120 }
121 }
122 }
123 }
124} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/Effects/DefaultTerrainGenerator.cs b/OpenSim/Region/Environment/Modules/World/Terrain/Effects/DefaultTerrainGenerator.cs
new file mode 100644
index 0000000..9c35d4e
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/Effects/DefaultTerrainGenerator.cs
@@ -0,0 +1,55 @@
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 */
27using OpenSim.Framework;
28using OpenSim.Region.Environment.Interfaces;
29
30namespace OpenSim.Region.Environment.Modules.World.Terrain.Effects
31{
32 internal class DefaultTerrainGenerator : ITerrainEffect
33 {
34 #region ITerrainEffect Members
35
36 public void RunEffect(ITerrainChannel map)
37 {
38 int x, y;
39 for (x = 0; x < map.Width; x++)
40 {
41 for (y = 0; y < map.Height; y++)
42 {
43 map[x, y] = TerrainUtil.PerlinNoise2D(x, y, 3, 0.25) * 10;
44 double spherFac = TerrainUtil.SphericalFactor(x, y, Constants.RegionSize / 2, Constants.RegionSize / 2, 50) * 0.01;
45 if (map[x, y] < spherFac)
46 {
47 map[x, y] = spherFac;
48 }
49 }
50 }
51 }
52
53 #endregion
54 }
55} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/BMP.cs b/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/BMP.cs
new file mode 100644
index 0000000..4705dad
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/BMP.cs
@@ -0,0 +1,62 @@
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 */
27using System.Drawing;
28using System.Drawing.Imaging;
29using OpenSim.Region.Environment.Interfaces;
30
31namespace OpenSim.Region.Environment.Modules.World.Terrain.FileLoaders
32{
33 /// <summary>
34 /// A generic windows bitmap loader.
35 /// Should be capable of handling 24-bit RGB images.
36 ///
37 /// Uses the System.Drawing filesystem loader.
38 /// </summary>
39 internal class BMP : GenericSystemDrawing
40 {
41 /// <summary>
42 /// Exports a file to a image on the disk using a System.Drawing exporter.
43 /// </summary>
44 /// <param name="filename">The target filename</param>
45 /// <param name="map">The terrain channel being saved</param>
46 public override void SaveFile(string filename, ITerrainChannel map)
47 {
48 Bitmap colours = CreateGrayscaleBitmapFromMap(map);
49
50 colours.Save(filename, ImageFormat.Bmp);
51 }
52
53 /// <summary>
54 /// The human readable version of the file format(s) this loader handles
55 /// </summary>
56 /// <returns></returns>
57 public override string ToString()
58 {
59 return "BMP";
60 }
61 }
62} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/GIF.cs b/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/GIF.cs
new file mode 100644
index 0000000..1dd923a
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/GIF.cs
@@ -0,0 +1,48 @@
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 */
27using System.Drawing;
28using System.Drawing.Imaging;
29using OpenSim.Region.Environment.Interfaces;
30using OpenSim.Region.Environment.Modules.World.Terrain.FileLoaders;
31
32namespace OpenSim.Region.Environment.Modules.World.Terrain.FileLoaders
33{
34 internal class GIF : GenericSystemDrawing
35 {
36 public override void SaveFile(string filename, ITerrainChannel map)
37 {
38 Bitmap colours = CreateGrayscaleBitmapFromMap(map);
39
40 colours.Save(filename, ImageFormat.Gif);
41 }
42
43 public override string ToString()
44 {
45 return "GIF";
46 }
47 }
48} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/GenericSystemDrawing.cs b/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/GenericSystemDrawing.cs
new file mode 100644
index 0000000..b5e6bd9
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/GenericSystemDrawing.cs
@@ -0,0 +1,172 @@
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.Drawing;
30using System.Drawing.Imaging;
31using OpenSim.Region.Environment.Interfaces;
32
33namespace OpenSim.Region.Environment.Modules.World.Terrain.FileLoaders
34{
35 /// <summary>
36 /// A virtual class designed to have methods overloaded,
37 /// this class provides an interface for a generic image
38 /// saving and loading mechanism, but does not specify the
39 /// format. It should not be insubstantiated directly.
40 /// </summary>
41 public class GenericSystemDrawing : ITerrainLoader
42 {
43 #region ITerrainLoader Members
44
45 public string FileExtension
46 {
47 get { return ".gsd"; }
48 }
49
50 /// <summary>
51 /// Loads a file from a specified filename on the disk,
52 /// parses the image using the System.Drawing parsers
53 /// then returns a terrain channel. Values are
54 /// returned based on HSL brightness between 0m and 128m
55 /// </summary>
56 /// <param name="filename">The target image to load</param>
57 /// <returns>A terrain channel generated from the image.</returns>
58 public virtual ITerrainChannel LoadFile(string filename)
59 {
60 Bitmap file = new Bitmap(filename);
61
62 ITerrainChannel retval = new TerrainChannel(file.Width, file.Height);
63
64 int x, y;
65 for (x = 0; x < file.Width; x++)
66 {
67 for (y = 0; y < file.Height; y++)
68 {
69 retval[x, y] = file.GetPixel(x, y).GetBrightness() * 128;
70 }
71 }
72
73 return retval;
74 }
75
76 public ITerrainChannel LoadFile(string filename, int x, int y, int fileWidth, int fileHeight, int w, int h)
77 {
78 throw new NotImplementedException();
79 }
80
81 /// <summary>
82 /// Exports a file to a image on the disk using a System.Drawing exporter.
83 /// </summary>
84 /// <param name="filename">The target filename</param>
85 /// <param name="map">The terrain channel being saved</param>
86 public virtual void SaveFile(string filename, ITerrainChannel map)
87 {
88 Bitmap colours = CreateGrayscaleBitmapFromMap(map);
89
90 colours.Save(filename, ImageFormat.Png);
91 }
92
93 #endregion
94
95 public override string ToString()
96 {
97 return "SYS.DRAWING";
98 }
99
100 /// <summary>
101 /// Protected method, generates a grayscale bitmap
102 /// image from a specified terrain channel.
103 /// </summary>
104 /// <param name="map">The terrain channel to export to bitmap</param>
105 /// <returns>A System.Drawing.Bitmap containing a grayscale image</returns>
106 protected Bitmap CreateGrayscaleBitmapFromMap(ITerrainChannel map)
107 {
108 Bitmap bmp = new Bitmap(map.Width, map.Height);
109
110 int pallete = 256;
111
112 Color[] grays = new Color[pallete];
113 for (int i = 0; i < grays.Length; i++)
114 {
115 grays[i] = Color.FromArgb(i, i, i);
116 }
117
118 for (int y = 0; y < map.Height; y++)
119 {
120 for (int x = 0; x < map.Width; x++)
121 {
122 // 512 is the largest possible height before colours clamp
123 int colorindex = (int) (Math.Max(Math.Min(1.0, map[x, y] / 128.0), 0.0) * (pallete - 1));
124
125 // Handle error conditions
126 if (colorindex > pallete - 1 || colorindex < 0)
127 bmp.SetPixel(x, map.Height - y - 1, Color.Red);
128 else
129 bmp.SetPixel(x, map.Height - y - 1, grays[colorindex]);
130 }
131 }
132 return bmp;
133 }
134
135 /// <summary>
136 /// Protected method, generates a coloured bitmap
137 /// image from a specified terrain channel.
138 /// </summary>
139 /// <param name="map">The terrain channel to export to bitmap</param>
140 /// <returns>A System.Drawing.Bitmap containing a coloured image</returns>
141 protected Bitmap CreateBitmapFromMap(ITerrainChannel map)
142 {
143 Bitmap gradientmapLd = new Bitmap("defaultstripe.png");
144
145 int pallete = gradientmapLd.Height;
146
147 Bitmap bmp = new Bitmap(map.Width, map.Height);
148 Color[] colours = new Color[pallete];
149
150 for (int i = 0; i < pallete; i++)
151 {
152 colours[i] = gradientmapLd.GetPixel(0, i);
153 }
154
155 for (int y = 0; y < map.Height; y++)
156 {
157 for (int x = 0; x < map.Width; x++)
158 {
159 // 512 is the largest possible height before colours clamp
160 int colorindex = (int) (Math.Max(Math.Min(1.0, map[x, y] / 512.0), 0.0) * (pallete - 1));
161
162 // Handle error conditions
163 if (colorindex > pallete - 1 || colorindex < 0)
164 bmp.SetPixel(x, map.Height - y - 1, Color.Red);
165 else
166 bmp.SetPixel(x, map.Height - y - 1, colours[colorindex]);
167 }
168 }
169 return bmp;
170 }
171 }
172} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/JPEG.cs b/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/JPEG.cs
new file mode 100644
index 0000000..39ade10
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/JPEG.cs
@@ -0,0 +1,94 @@
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.Drawing;
30using System.Drawing.Imaging;
31using OpenSim.Region.Environment.Interfaces;
32
33namespace OpenSim.Region.Environment.Modules.World.Terrain.FileLoaders
34{
35 public class JPEG : ITerrainLoader
36 {
37 #region ITerrainLoader Members
38
39 public string FileExtension
40 {
41 get { return ".jpg"; }
42 }
43
44 public ITerrainChannel LoadFile(string filename)
45 {
46 throw new NotImplementedException();
47 }
48
49 public ITerrainChannel LoadFile(string filename, int x, int y, int fileWidth, int fileHeight, int w, int h)
50 {
51 throw new NotImplementedException();
52 }
53
54 public void SaveFile(string filename, ITerrainChannel map)
55 {
56 Bitmap colours = CreateBitmapFromMap(map);
57
58 colours.Save(filename, ImageFormat.Jpeg);
59 }
60
61 #endregion
62
63 public override string ToString()
64 {
65 return "JPEG";
66 }
67
68 private Bitmap CreateBitmapFromMap(ITerrainChannel map)
69 {
70 Bitmap gradientmapLd = new Bitmap("defaultstripe.png");
71
72 int pallete = gradientmapLd.Height;
73
74 Bitmap bmp = new Bitmap(map.Width, map.Height);
75 Color[] colours = new Color[pallete];
76
77 for (int i = 0; i < pallete; i++)
78 {
79 colours[i] = gradientmapLd.GetPixel(0, i);
80 }
81
82 for (int y = 0; y < map.Height; y++)
83 {
84 for (int x = 0; x < map.Width; x++)
85 {
86 // 512 is the largest possible height before colours clamp
87 int colorindex = (int) (Math.Max(Math.Min(1.0, map[x, y] / 512.0), 0.0) * (pallete - 1));
88 bmp.SetPixel(x, map.Height - y - 1, colours[colorindex]);
89 }
90 }
91 return bmp;
92 }
93 }
94} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/LLRAW.cs b/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/LLRAW.cs
new file mode 100644
index 0000000..468ecc9
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/LLRAW.cs
@@ -0,0 +1,148 @@
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.World.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 ITerrainChannel LoadFile(string filename, int x, int y, int fileWidth, int fileHeight, int w, int h)
62 {
63 throw new NotImplementedException();
64 }
65
66 public void SaveFile(string filename, ITerrainChannel map)
67 {
68 FileInfo file = new FileInfo(filename);
69 FileStream s = file.Open(FileMode.CreateNew, FileAccess.Write);
70 BinaryWriter binStream = new BinaryWriter(s);
71
72 // Generate a smegging big lookup table to speed the operation up (it needs it)
73 double[] lookupHeightTable = new double[65536];
74 int i, j, x, y;
75 for (i = 0; i < 256; i++)
76 {
77 for (j = 0; j < 256; j++)
78 {
79 lookupHeightTable[i + (j * 256)] = ((double) i * ((double) j / 127.0));
80 }
81 }
82
83 // Output the calculated raw
84 for (y = 0; y < map.Height; y++)
85 {
86 for (x = 0; x < map.Width; x++)
87 {
88 double t = map[x, y];
89 double min = double.MaxValue;
90 int index = 0;
91
92 for (i = 0; i < 65536; i++)
93 {
94 if (Math.Abs(t - lookupHeightTable[i]) < min)
95 {
96 min = Math.Abs(t - lookupHeightTable[i]);
97 index = i;
98 }
99 }
100
101 byte red = (byte) (index & 0xFF);
102 byte green = (byte) ((index >> 8) & 0xFF);
103 byte blue = 20;
104 byte alpha1 = 0; // Land Parcels
105 byte alpha2 = 0; // For Sale Land
106 byte alpha3 = 0; // Public Edit Object
107 byte alpha4 = 0; // Public Edit Land
108 byte alpha5 = 255; // Safe Land
109 byte alpha6 = 255; // Flying Allowed
110 byte alpha7 = 255; // Create Landmark
111 byte alpha8 = 255; // Outside Scripts
112 byte alpha9 = red;
113 byte alpha10 = green;
114
115 binStream.Write(red);
116 binStream.Write(green);
117 binStream.Write(blue);
118 binStream.Write(alpha1);
119 binStream.Write(alpha2);
120 binStream.Write(alpha3);
121 binStream.Write(alpha4);
122 binStream.Write(alpha5);
123 binStream.Write(alpha6);
124 binStream.Write(alpha7);
125 binStream.Write(alpha8);
126 binStream.Write(alpha9);
127 binStream.Write(alpha10);
128 }
129 }
130
131 binStream.Close();
132 s.Close();
133 }
134
135
136 public string FileExtension
137 {
138 get { return ".raw"; }
139 }
140
141 #endregion
142
143 public override string ToString()
144 {
145 return "LL/SL RAW";
146 }
147 }
148} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/PNG.cs b/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/PNG.cs
new file mode 100644
index 0000000..07072be
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/PNG.cs
@@ -0,0 +1,48 @@
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 */
27using System.Drawing;
28using System.Drawing.Imaging;
29using OpenSim.Region.Environment.Interfaces;
30using OpenSim.Region.Environment.Modules.World.Terrain.FileLoaders;
31
32namespace OpenSim.Region.Environment.Modules.World.Terrain.FileLoaders
33{
34 internal class PNG : GenericSystemDrawing
35 {
36 public override void SaveFile(string filename, ITerrainChannel map)
37 {
38 Bitmap colours = CreateGrayscaleBitmapFromMap(map);
39
40 colours.Save(filename, ImageFormat.Png);
41 }
42
43 public override string ToString()
44 {
45 return "PNG";
46 }
47 }
48} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/RAW32.cs b/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/RAW32.cs
new file mode 100644
index 0000000..71f56c5
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/RAW32.cs
@@ -0,0 +1,153 @@
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.IO;
29using OpenSim.Region.Environment.Interfaces;
30
31namespace OpenSim.Region.Environment.Modules.World.Terrain.FileLoaders
32{
33 public class RAW32 : ITerrainLoader
34 {
35 #region ITerrainLoader Members
36
37 public string FileExtension
38 {
39 get { return ".r32"; }
40 }
41
42 public ITerrainChannel LoadFile(string filename)
43 {
44 TerrainChannel retval = new TerrainChannel();
45
46 FileInfo file = new FileInfo(filename);
47 FileStream s = file.Open(FileMode.Open, FileAccess.Read);
48 BinaryReader bs = new BinaryReader(s);
49 int x, y;
50 for (y = 0; y < retval.Height; y++)
51 {
52 for (x = 0; x < retval.Width; x++)
53 {
54 retval[x, y] = bs.ReadSingle();
55 }
56 }
57
58 bs.Close();
59 s.Close();
60
61 return retval;
62 }
63
64 public ITerrainChannel LoadFile(string filename, int offsetX, int offsetY, int fileWidth, int fileHeight, int sectionWidth, int sectionHeight)
65 {
66 TerrainChannel retval = new TerrainChannel(sectionWidth, sectionHeight);
67
68 FileInfo file = new FileInfo(filename);
69 FileStream s = file.Open(FileMode.Open, FileAccess.Read);
70 BinaryReader bs = new BinaryReader(s);
71
72 int currFileXOffset = 0;
73 int currFileYOffset = 0;
74
75 // if our region isn't on the first Y section of the areas to be landscaped, then
76 // advance to our section of the file
77 while (currFileYOffset < offsetY)
78 {
79 // read a whole strip of regions
80 int heightsToRead = sectionHeight * (fileWidth * sectionWidth);
81 bs.ReadBytes(heightsToRead * 4); // because the floats are 4 bytes in the file
82 currFileYOffset++;
83 }
84
85 // got to the Y start offset within the file of our region
86 // so read the file bits associated with our region
87 int x, y;
88 // for each Y within our Y offset
89 for (y = 0; y < sectionHeight; y++)
90 {
91 currFileXOffset = 0;
92
93 // if our region isn't the first X section of the areas to be landscaped, then
94 // advance the stream to the X start pos of our section in the file
95 // i.e. eat X upto where we start
96 while (currFileXOffset < offsetX)
97 {
98 bs.ReadBytes(sectionWidth * 4); // 4 bytes = single
99 currFileXOffset++;
100 }
101
102 // got to our X offset, so write our regions X line
103 for (x = 0; x < sectionWidth; x++)
104 {
105 // Read a strip and continue
106 retval[x, y] = bs.ReadSingle();
107 }
108 // record that we wrote it
109 currFileXOffset++;
110
111 // if our region isn't the last X section of the areas to be landscaped, then
112 // advance the stream to the end of this Y column
113 while (currFileXOffset < fileWidth)
114 {
115 // eat the next regions x line
116 bs.ReadBytes(sectionWidth * 4); // 4 bytes = single
117 currFileXOffset++;
118 }
119 }
120
121 bs.Close();
122 s.Close();
123
124 return retval;
125 }
126
127 public void SaveFile(string filename, ITerrainChannel map)
128 {
129 FileInfo file = new FileInfo(filename);
130 FileStream s = file.Open(FileMode.Create, FileAccess.Write);
131 BinaryWriter bs = new BinaryWriter(s);
132
133 int x, y;
134 for (y = 0; y < map.Height; y++)
135 {
136 for (x = 0; x < map.Width; x++)
137 {
138 bs.Write((float) map[x, y]);
139 }
140 }
141
142 bs.Close();
143 s.Close();
144 }
145
146 #endregion
147
148 public override string ToString()
149 {
150 return "RAW32";
151 }
152 }
153} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/TIFF.cs b/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/TIFF.cs
new file mode 100644
index 0000000..d206763
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/TIFF.cs
@@ -0,0 +1,48 @@
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 */
27using System.Drawing;
28using System.Drawing.Imaging;
29using OpenSim.Region.Environment.Interfaces;
30using OpenSim.Region.Environment.Modules.World.Terrain.FileLoaders;
31
32namespace OpenSim.Region.Environment.Modules.World.Terrain.FileLoaders
33{
34 internal class TIFF : GenericSystemDrawing
35 {
36 public override void SaveFile(string filename, ITerrainChannel map)
37 {
38 Bitmap colours = CreateGrayscaleBitmapFromMap(map);
39
40 colours.Save(filename, ImageFormat.Tiff);
41 }
42
43 public override string ToString()
44 {
45 return "TIFF";
46 }
47 }
48} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/Terragen.cs b/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/Terragen.cs
new file mode 100644
index 0000000..f2672ad
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/Terragen.cs
@@ -0,0 +1,127 @@
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.Environment.Interfaces;
32
33namespace OpenSim.Region.Environment.Modules.World.Terrain.FileLoaders
34{
35 /// <summary>
36 /// Terragen File Format Loader
37 /// Built from specification at
38 /// http://www.planetside.co.uk/terragen/dev/tgterrain.html
39 /// </summary>
40 internal class Terragen : ITerrainLoader
41 {
42 #region ITerrainLoader Members
43
44 public ITerrainChannel LoadFile(string filename)
45 {
46 TerrainChannel retval = new TerrainChannel();
47
48 FileInfo file = new FileInfo(filename);
49 FileStream s = file.Open(FileMode.Open, FileAccess.Read);
50 BinaryReader bs = new BinaryReader(s);
51
52 bool eof = false;
53 if (ASCIIEncoding.ASCII.GetString(bs.ReadBytes(16)) == "TERRAGENTERRAIN ")
54 {
55 // Terragen file
56 while (eof == false)
57 {
58 int w = 256;
59 int h = 256;
60 string tmp = ASCIIEncoding.ASCII.GetString(bs.ReadBytes(4));
61 switch (tmp)
62 {
63 case "SIZE":
64 int sztmp = bs.ReadInt16() + 1;
65 w = sztmp;
66 h = sztmp;
67 bs.ReadInt16();
68 break;
69 case "XPTS":
70 w = bs.ReadInt16();
71 bs.ReadInt16();
72 break;
73 case "YPTS":
74 h = bs.ReadInt16();
75 bs.ReadInt16();
76 break;
77 case "ALTW":
78 eof = true;
79 Int16 heightScale = bs.ReadInt16();
80 Int16 baseHeight = bs.ReadInt16();
81 retval = new TerrainChannel(w, h);
82 int x, y;
83 for (x = 0; x < w; x++)
84 {
85 for (y = 0; y < h; y++)
86 {
87 retval[x, y] = (double) baseHeight + (double) bs.ReadInt16() * (double) heightScale / 65536.0;
88 }
89 }
90 break;
91 default:
92 bs.ReadInt32();
93 break;
94 }
95 }
96 }
97
98 bs.Close();
99 s.Close();
100
101 return retval;
102 }
103
104 public void SaveFile(string filename, ITerrainChannel map)
105 {
106 char[] header = "TERRAGENTERRAIN".ToCharArray();
107 throw new NotImplementedException();
108 }
109
110 public string FileExtension
111 {
112 get { return ".ter"; }
113 }
114
115 public ITerrainChannel LoadFile(string filename, int x, int y, int fileWidth, int fileHeight, int w, int h)
116 {
117 throw new NotImplementedException();
118 }
119
120 #endregion
121
122 public override string ToString()
123 {
124 return "Terragen";
125 }
126 }
127} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/FloodBrushes/FlattenArea.cs b/OpenSim/Region/Environment/Modules/World/Terrain/FloodBrushes/FlattenArea.cs
new file mode 100644
index 0000000..7bf81d3
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/FloodBrushes/FlattenArea.cs
@@ -0,0 +1,71 @@
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 OpenSim.Region.Environment.Interfaces;
29
30namespace OpenSim.Region.Environment.Modules.World.Terrain.FloodBrushes
31{
32 public class FlattenArea : ITerrainFloodEffect
33 {
34 #region ITerrainFloodEffect Members
35
36 public void FloodEffect(ITerrainChannel map, bool[,] fillArea, double strength)
37 {
38 double sum = 0.0;
39 double steps = 0.0;
40 double avg;
41
42 int x, y;
43 for (x = 0; x < map.Width; x++)
44 {
45 for (y = 0; y < map.Height; y++)
46 {
47 if (fillArea[x, y])
48 {
49 sum += map[x, y];
50 steps += 1.0;
51 }
52 }
53 }
54
55 avg = sum / steps;
56
57 double str = 0.1 * strength; // == 0.2 in the default client
58
59 for (x = 0; x < map.Width; x++)
60 {
61 for (y = 0; y < map.Height; y++)
62 {
63 if (fillArea[x, y])
64 map[x, y] = (map[x, y] * (1.0 - str)) + (avg * str);
65 }
66 }
67 }
68
69 #endregion
70 }
71} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/FloodBrushes/LowerArea.cs b/OpenSim/Region/Environment/Modules/World/Terrain/FloodBrushes/LowerArea.cs
new file mode 100644
index 0000000..a7a4431
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/FloodBrushes/LowerArea.cs
@@ -0,0 +1,54 @@
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 OpenSim.Region.Environment.Interfaces;
29
30namespace OpenSim.Region.Environment.Modules.World.Terrain.FloodBrushes
31{
32 public class LowerArea : ITerrainFloodEffect
33 {
34 #region ITerrainFloodEffect Members
35
36 public void FloodEffect(ITerrainChannel map, bool[,] fillArea, double strength)
37 {
38 int x;
39 for (x = 0; x < map.Width; x++)
40 {
41 int y;
42 for (y = 0; y < map.Height; y++)
43 {
44 if (fillArea[x, y])
45 {
46 map[x, y] -= strength;
47 }
48 }
49 }
50 }
51
52 #endregion
53 }
54} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/FloodBrushes/NoiseArea.cs b/OpenSim/Region/Environment/Modules/World/Terrain/FloodBrushes/NoiseArea.cs
new file mode 100644
index 0000000..3da3826
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/FloodBrushes/NoiseArea.cs
@@ -0,0 +1,56 @@
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 OpenSim.Framework;
29using OpenSim.Region.Environment.Interfaces;
30
31namespace OpenSim.Region.Environment.Modules.World.Terrain.FloodBrushes
32{
33 public class NoiseArea : ITerrainFloodEffect
34 {
35 #region ITerrainFloodEffect Members
36
37 public void FloodEffect(ITerrainChannel map, bool[,] fillArea, double strength)
38 {
39 int x, y;
40 for (x = 0; x < map.Width; x++)
41 {
42 for (y = 0; y < map.Height; y++)
43 {
44 if (fillArea[x, y])
45 {
46 double noise = TerrainUtil.PerlinNoise2D((double) x / Constants.RegionSize, (double) y / Constants.RegionSize, 8, 1.0);
47
48 map[x, y] += noise * strength;
49 }
50 }
51 }
52 }
53
54 #endregion
55 }
56} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/FloodBrushes/RaiseArea.cs b/OpenSim/Region/Environment/Modules/World/Terrain/FloodBrushes/RaiseArea.cs
new file mode 100644
index 0000000..b57caed
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/FloodBrushes/RaiseArea.cs
@@ -0,0 +1,53 @@
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 OpenSim.Region.Environment.Interfaces;
29
30namespace OpenSim.Region.Environment.Modules.World.Terrain.FloodBrushes
31{
32 public class RaiseArea : ITerrainFloodEffect
33 {
34 #region ITerrainFloodEffect Members
35
36 public void FloodEffect(ITerrainChannel map, bool[,] fillArea, double strength)
37 {
38 int x, y;
39 for (x = 0; x < map.Width; x++)
40 {
41 for (y = 0; y < map.Height; y++)
42 {
43 if (fillArea[x, y])
44 {
45 map[x, y] += strength;
46 }
47 }
48 }
49 }
50
51 #endregion
52 }
53} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/FloodBrushes/RevertArea.cs b/OpenSim/Region/Environment/Modules/World/Terrain/FloodBrushes/RevertArea.cs
new file mode 100644
index 0000000..76a2cae
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/FloodBrushes/RevertArea.cs
@@ -0,0 +1,60 @@
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 OpenSim.Region.Environment.Interfaces;
29
30namespace OpenSim.Region.Environment.Modules.World.Terrain.FloodBrushes
31{
32 public class RevertArea : ITerrainFloodEffect
33 {
34 private readonly ITerrainChannel m_revertmap;
35
36 public RevertArea(ITerrainChannel revertmap)
37 {
38 m_revertmap = revertmap;
39 }
40
41 #region ITerrainFloodEffect Members
42
43 public void FloodEffect(ITerrainChannel map, bool[,] fillArea, double strength)
44 {
45 int x, y;
46 for (x = 0; x < map.Width; x++)
47 {
48 for (y = 0; y < map.Height; y++)
49 {
50 if (fillArea[x, y])
51 {
52 map[x, y] = (map[x, y] * (1.0 - strength)) + (m_revertmap[x, y] * strength);
53 }
54 }
55 }
56 }
57
58 #endregion
59 }
60} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/FloodBrushes/SmoothArea.cs b/OpenSim/Region/Environment/Modules/World/Terrain/FloodBrushes/SmoothArea.cs
new file mode 100644
index 0000000..bdd9f18
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/FloodBrushes/SmoothArea.cs
@@ -0,0 +1,114 @@
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 OpenSim.Region.Environment.Interfaces;
29
30namespace OpenSim.Region.Environment.Modules.World.Terrain.FloodBrushes
31{
32 public class SmoothArea : ITerrainFloodEffect
33 {
34 #region ITerrainFloodEffect Members
35
36 public void FloodEffect(ITerrainChannel map, bool[,] fillArea, double strength)
37 {
38 double area = strength;
39 double step = strength / 4.0;
40
41 double[,] manipulate = new double[map.Width,map.Height];
42 int x, y;
43 for (x = 0; x < map.Width; x++)
44 {
45 for (y = 0; y < map.Height; y++)
46 {
47 if (!fillArea[x, y])
48 continue;
49
50 double average = 0.0;
51 int avgsteps = 0;
52
53 double n;
54 for (n = 0.0 - area; n < area; n += step)
55 {
56 double l;
57 for (l = 0.0 - area; l < area; l += step)
58 {
59 avgsteps++;
60 average += GetBilinearInterpolate(x + n, y + l, map);
61 }
62 }
63
64 manipulate[x, y] = average / avgsteps;
65 }
66 }
67 for (x = 0; x < map.Width; x++)
68 {
69 for (y = 0; y < map.Height; y++)
70 {
71 if (!fillArea[x, y])
72 continue;
73
74 map[x, y] = manipulate[x, y];
75 }
76 }
77 }
78
79 #endregion
80
81 private static double GetBilinearInterpolate(double x, double y, ITerrainChannel map)
82 {
83 int w = map.Width;
84 int h = map.Height;
85
86 if (x > w - 2.0)
87 x = w - 2.0;
88 if (y > h - 2.0)
89 y = h - 2.0;
90 if (x < 0.0)
91 x = 0.0;
92 if (y < 0.0)
93 y = 0.0;
94
95 int stepSize = 1;
96 double h00 = map[(int) x, (int) y];
97 double h10 = map[(int) x + stepSize, (int) y];
98 double h01 = map[(int) x, (int) y + stepSize];
99 double h11 = map[(int) x + stepSize, (int) y + stepSize];
100 double h1 = h00;
101 double h2 = h10;
102 double h3 = h01;
103 double h4 = h11;
104 double a00 = h1;
105 double a10 = h2 - h1;
106 double a01 = h3 - h1;
107 double a11 = h1 - h2 - h3 + h4;
108 double partialx = x - (int) x;
109 double partialz = y - (int) y;
110 double hi = a00 + (a10 * partialx) + (a01 * partialz) + (a11 * partialx * partialz);
111 return hi;
112 }
113 }
114} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/ITerrainEffect.cs b/OpenSim/Region/Environment/Modules/World/Terrain/ITerrainEffect.cs
new file mode 100644
index 0000000..821fc4b
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/ITerrainEffect.cs
@@ -0,0 +1,36 @@
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 OpenSim.Region.Environment.Interfaces;
29
30namespace OpenSim.Region.Environment.Modules.World.Terrain
31{
32 public interface ITerrainEffect
33 {
34 void RunEffect(ITerrainChannel map);
35 }
36} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/ITerrainFloodEffect.cs b/OpenSim/Region/Environment/Modules/World/Terrain/ITerrainFloodEffect.cs
new file mode 100644
index 0000000..6b0d7f9
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/ITerrainFloodEffect.cs
@@ -0,0 +1,37 @@
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 OpenSim.Region.Environment.Interfaces;
30
31namespace OpenSim.Region.Environment.Modules.World.Terrain
32{
33 public interface ITerrainFloodEffect
34 {
35 void FloodEffect(ITerrainChannel map, Boolean[,] fillArea, double strength);
36 }
37} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/ITerrainLoader.cs b/OpenSim/Region/Environment/Modules/World/Terrain/ITerrainLoader.cs
new file mode 100644
index 0000000..6211892
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/ITerrainLoader.cs
@@ -0,0 +1,39 @@
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 OpenSim.Region.Environment.Interfaces;
29
30namespace OpenSim.Region.Environment.Modules.World.Terrain
31{
32 public interface ITerrainLoader
33 {
34 string FileExtension { get; }
35 ITerrainChannel LoadFile(string filename);
36 ITerrainChannel LoadFile(string filename, int fileStartX, int fileStartY, int fileWidth, int fileHeight, int sectionWidth, int sectionHeight);
37 void SaveFile(string filename, ITerrainChannel map);
38 }
39} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/ITerrainModule.cs b/OpenSim/Region/Environment/Modules/World/Terrain/ITerrainModule.cs
new file mode 100644
index 0000000..756354a
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/ITerrainModule.cs
@@ -0,0 +1,8 @@
1namespace OpenSim.Region.Environment.Modules.World.Terrain
2{
3 public interface ITerrainModule
4 {
5 void LoadFromFile(string filename);
6 void SaveToFile(string filename);
7 }
8} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/ITerrainPaintableEffect.cs b/OpenSim/Region/Environment/Modules/World/Terrain/ITerrainPaintableEffect.cs
new file mode 100644
index 0000000..d73f44d
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/ITerrainPaintableEffect.cs
@@ -0,0 +1,36 @@
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 OpenSim.Region.Environment.Interfaces;
29
30namespace OpenSim.Region.Environment.Modules.World.Terrain
31{
32 public interface ITerrainPaintableEffect
33 {
34 void PaintEffect(ITerrainChannel map, double x, double y, double strength, double duration);
35 }
36} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/MapImageModule.cs b/OpenSim/Region/Environment/Modules/World/Terrain/MapImageModule.cs
new file mode 100644
index 0000000..dbaec0f
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/MapImageModule.cs
@@ -0,0 +1,168 @@
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.Drawing;
30using Nini.Config;
31using OpenJPEGNet;
32using OpenSim.Region.Environment.Interfaces;
33using OpenSim.Region.Environment.Scenes;
34
35namespace OpenSim.Region.Environment.Modules.World.Terrain
36{
37 internal class MapImageModule : IMapImageGenerator, IRegionModule
38 {
39 private Scene m_scene;
40
41 #region IMapImageGenerator Members
42
43 public byte[] WriteJpeg2000Image(string gradientmap)
44 {
45 byte[] imageData = null;
46
47 Bitmap bmp = TerrainToBitmap(gradientmap);
48
49 try
50 {
51 imageData = OpenJPEG.EncodeFromImage(bmp, true);
52 }
53 catch (Exception e) // LEGIT: Catching problems caused by OpenJPEG p/invoke
54 {
55 Console.WriteLine("Failed generating terrain map: " + e);
56 }
57
58 return imageData;
59 }
60
61 #endregion
62
63 #region IRegionModule Members
64
65 public void Initialise(Scene scene, IConfigSource source)
66 {
67 m_scene = scene;
68 m_scene.RegisterModuleInterface<IMapImageGenerator>(this);
69 }
70
71 public void PostInitialise()
72 {
73 }
74
75 public void Close()
76 {
77 }
78
79 public string Name
80 {
81 get { return "MapImageModule"; }
82 }
83
84 public bool IsSharedModule
85 {
86 get { return false; }
87 }
88
89 #endregion
90
91 private void ShadeBuildings(ref Bitmap map)
92 {
93 lock (map)
94 {
95 lock (m_scene.Entities)
96 {
97 foreach (EntityBase entity in m_scene.Entities.Values)
98 {
99 if (entity is SceneObjectGroup)
100 {
101 SceneObjectGroup sog = (SceneObjectGroup) entity;
102
103 foreach (SceneObjectPart primitive in sog.Children.Values)
104 {
105 int x, y, w, h;
106 x = (int) (primitive.AbsolutePosition.X - (primitive.Scale.X / 2));
107 y = (int) (primitive.AbsolutePosition.Y - (primitive.Scale.Y / 2));
108 w = (int) primitive.Scale.X;
109 h = (int) primitive.Scale.Y;
110
111 int dx;
112 for (dx = x; dx < x + w; dx++)
113 {
114 int dy;
115 for (dy = y; dy < y + h; dy++)
116 {
117 if (x < 0 || y < 0)
118 continue;
119 if (x >= map.Width || y >= map.Height)
120 continue;
121
122 map.SetPixel(dx, dy, Color.DarkGray);
123 }
124 }
125 }
126 }
127 }
128 }
129 }
130 }
131
132 private Bitmap TerrainToBitmap(string gradientmap)
133 {
134 Bitmap gradientmapLd = new Bitmap(gradientmap);
135
136 int pallete = gradientmapLd.Height;
137
138 Bitmap bmp = new Bitmap(m_scene.Heightmap.Width, m_scene.Heightmap.Height);
139 Color[] colours = new Color[pallete];
140
141 for (int i = 0; i < pallete; i++)
142 {
143 colours[i] = gradientmapLd.GetPixel(0, i);
144 }
145
146 lock (m_scene.Heightmap)
147 {
148 ITerrainChannel copy = m_scene.Heightmap;
149 for (int y = 0; y < copy.Height; y++)
150 {
151 for (int x = 0; x < copy.Width; x++)
152 {
153 // 512 is the largest possible height before colours clamp
154 int colorindex = (int) (Math.Max(Math.Min(1.0, copy[x, y] / 512.0), 0.0) * (pallete - 1));
155
156 // Handle error conditions
157 if (colorindex > pallete - 1 || colorindex < 0)
158 bmp.SetPixel(x, copy.Height - y - 1, Color.Red);
159 else
160 bmp.SetPixel(x, copy.Height - y - 1, colours[colorindex]);
161 }
162 }
163 ShadeBuildings(ref bmp);
164 return bmp;
165 }
166 }
167 }
168} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/ErodeSphere.cs b/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/ErodeSphere.cs
new file mode 100644
index 0000000..29448aa
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/ErodeSphere.cs
@@ -0,0 +1,312 @@
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 OpenSim.Region.Environment.Interfaces;
30
31namespace OpenSim.Region.Environment.Modules.World.Terrain.PaintBrushes
32{
33 /// <summary>
34 /// Hydraulic Erosion Brush
35 /// </summary>
36 public class ErodeSphere : ITerrainPaintableEffect
37 {
38 private double rainHeight = 0.2;
39 private int rounds = 10;
40 private NeighbourSystem type = NeighbourSystem.Moore; // Parameter
41 private double waterSaturation = 0.30; // Can carry 1% of water in height
42
43 #region Supporting Functions
44
45 private int[] Neighbours(NeighbourSystem type, int index)
46 {
47 int[] coord = new int[2];
48
49 index++;
50
51 switch (type)
52 {
53 case NeighbourSystem.Moore:
54 switch (index)
55 {
56 case 1:
57 coord[0] = -1;
58 coord[1] = -1;
59 break;
60
61 case 2:
62 coord[0] = -0;
63 coord[1] = -1;
64 break;
65
66 case 3:
67 coord[0] = +1;
68 coord[1] = -1;
69 break;
70
71 case 4:
72 coord[0] = -1;
73 coord[1] = -0;
74 break;
75
76 case 5:
77 coord[0] = -0;
78 coord[1] = -0;
79 break;
80
81 case 6:
82 coord[0] = +1;
83 coord[1] = -0;
84 break;
85
86 case 7:
87 coord[0] = -1;
88 coord[1] = +1;
89 break;
90
91 case 8:
92 coord[0] = -0;
93 coord[1] = +1;
94 break;
95
96 case 9:
97 coord[0] = +1;
98 coord[1] = +1;
99 break;
100
101 default:
102 break;
103 }
104 break;
105
106 case NeighbourSystem.VonNeumann:
107 switch (index)
108 {
109 case 1:
110 coord[0] = 0;
111 coord[1] = -1;
112 break;
113
114 case 2:
115 coord[0] = -1;
116 coord[1] = 0;
117 break;
118
119 case 3:
120 coord[0] = +1;
121 coord[1] = 0;
122 break;
123
124 case 4:
125 coord[0] = 0;
126 coord[1] = +1;
127 break;
128
129 case 5:
130 coord[0] = -0;
131 coord[1] = -0;
132 break;
133
134 default:
135 break;
136 }
137 break;
138 }
139
140 return coord;
141 }
142
143 private enum NeighbourSystem
144 {
145 Moore,
146 VonNeumann
147 } ;
148
149 #endregion
150
151 #region ITerrainPaintableEffect Members
152
153 public void PaintEffect(ITerrainChannel map, double rx, double ry, double strength, double duration)
154 {
155 strength = TerrainUtil.MetersToSphericalStrength(strength);
156
157 int x, y;
158 // Using one 'rain' round for this, so skipping a useless loop
159 // Will need to adapt back in for the Flood brush
160
161 ITerrainChannel water = new TerrainChannel(map.Width, map.Height);
162 ITerrainChannel sediment = new TerrainChannel(map.Width, map.Height);
163
164 // Fill with rain
165 for (x = 0; x < water.Width; x++)
166 for (y = 0; y < water.Height; y++)
167 water[x, y] = Math.Max(0.0, TerrainUtil.SphericalFactor(x, y, rx, ry, strength) * rainHeight * duration);
168
169 for (int i = 0; i < rounds; i++)
170 {
171 // Erode underlying terrain
172 for (x = 0; x < water.Width; x++)
173 {
174 for (y = 0; y < water.Height; y++)
175 {
176 double solConst = (1.0 / rounds);
177 double sedDelta = water[x, y] * solConst;
178 map[x, y] -= sedDelta;
179 sediment[x, y] += sedDelta;
180 }
181 }
182
183 // Move water
184 for (x = 0; x < water.Width; x++)
185 {
186 for (y = 0; y < water.Height; y++)
187 {
188 if (water[x, y] <= 0)
189 continue;
190
191 // Step 1. Calculate average of neighbours
192
193 int neighbours = 0;
194 double altitudeTotal = 0.0;
195 double altitudeMe = map[x, y] + water[x, y];
196
197 int NEIGHBOUR_ME = 4;
198
199 int NEIGHBOUR_MAX = type == NeighbourSystem.Moore ? 9 : 5;
200
201 for (int j = 0; j < NEIGHBOUR_MAX; j++)
202 {
203 if (j != NEIGHBOUR_ME)
204 {
205 int[] coords = Neighbours(type, j);
206
207 coords[0] += x;
208 coords[1] += y;
209
210 if (coords[0] > map.Width - 1)
211 continue;
212 if (coords[1] > map.Height - 1)
213 continue;
214 if (coords[0] < 0)
215 continue;
216 if (coords[1] < 0)
217 continue;
218
219 // Calculate total height of this neighbour
220 double altitudeNeighbour = water[coords[0], coords[1]] + map[coords[0], coords[1]];
221
222 // If it's greater than me...
223 if (altitudeNeighbour - altitudeMe < 0)
224 {
225 // Add it to our calculations
226 neighbours++;
227 altitudeTotal += altitudeNeighbour;
228 }
229 }
230 }
231
232 if (neighbours == 0)
233 continue;
234
235 double altitudeAvg = altitudeTotal / neighbours;
236
237 // Step 2. Allocate water to neighbours.
238 for (int j = 0; j < NEIGHBOUR_MAX; j++)
239 {
240 if (j != NEIGHBOUR_ME)
241 {
242 int[] coords = Neighbours(type, j);
243
244 coords[0] += x;
245 coords[1] += y;
246
247 if (coords[0] > map.Width - 1)
248 continue;
249 if (coords[1] > map.Height - 1)
250 continue;
251 if (coords[0] < 0)
252 continue;
253 if (coords[1] < 0)
254 continue;
255
256 // Skip if we dont have water to begin with.
257 if (water[x, y] < 0)
258 continue;
259
260 // Calculate our delta average
261 double altitudeDelta = altitudeMe - altitudeAvg;
262
263 if (altitudeDelta < 0)
264 continue;
265
266 // Calculate how much water we can move
267 double waterMin = Math.Min(water[x, y], altitudeDelta);
268 double waterDelta = waterMin * ((water[coords[0], coords[1]] + map[coords[0], coords[1]])
269 / altitudeTotal);
270
271 double sedimentDelta = sediment[x, y] * (waterDelta / water[x, y]);
272
273 if (sedimentDelta > 0)
274 {
275 sediment[x, y] -= sedimentDelta;
276 sediment[coords[0], coords[1]] += sedimentDelta;
277 }
278 }
279 }
280 }
281 }
282
283 // Evaporate
284
285 for (x = 0; x < water.Width; x++)
286 {
287 for (y = 0; y < water.Height; y++)
288 {
289 water[x, y] *= 1.0 - (rainHeight / rounds);
290
291 double waterCapacity = waterSaturation * water[x, y];
292
293 double sedimentDeposit = sediment[x, y] - waterCapacity;
294 if (sedimentDeposit > 0)
295 {
296 sediment[x, y] -= sedimentDeposit;
297 map[x, y] += sedimentDeposit;
298 }
299 }
300 }
301 }
302
303 // Deposit any remainder (should be minimal)
304 for (x = 0; x < water.Width; x++)
305 for (y = 0; y < water.Height; y++)
306 if (sediment[x, y] > 0)
307 map[x, y] += sediment[x, y];
308 }
309
310 #endregion
311 }
312} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/FlattenSphere.cs b/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/FlattenSphere.cs
new file mode 100644
index 0000000..6a5a166
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/FlattenSphere.cs
@@ -0,0 +1,127 @@
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 OpenSim.Region.Environment.Interfaces;
29
30namespace OpenSim.Region.Environment.Modules.World.Terrain.PaintBrushes
31{
32 public class FlattenSphere : ITerrainPaintableEffect
33 {
34// TODO: unused
35// private double GetBilinearInterpolate(double x, double y, ITerrainChannel map)
36// {
37// int w = map.Width;
38// int h = map.Height;
39
40// if (x > w - 2.0)
41// x = w - 2.0;
42// if (y > h - 2.0)
43// y = h - 2.0;
44// if (x < 0.0)
45// x = 0.0;
46// if (y < 0.0)
47// y = 0.0;
48
49// int stepSize = 1;
50// double h00 = map[(int)x, (int)y];
51// double h10 = map[(int)x + stepSize, (int)y];
52// double h01 = map[(int)x, (int)y + stepSize];
53// double h11 = map[(int)x + stepSize, (int)y + stepSize];
54// double h1 = h00;
55// double h2 = h10;
56// double h3 = h01;
57// double h4 = h11;
58// double a00 = h1;
59// double a10 = h2 - h1;
60// double a01 = h3 - h1;
61// double a11 = h1 - h2 - h3 + h4;
62// double partialx = x - (int)x;
63// double partialz = y - (int)y;
64// double hi = a00 + (a10 * partialx) + (a01 * partialz) + (a11 * partialx * partialz);
65// return hi;
66// }
67
68 #region ITerrainPaintableEffect Members
69
70 public void PaintEffect(ITerrainChannel map, double rx, double ry, double strength, double duration)
71 {
72 strength = TerrainUtil.MetersToSphericalStrength(strength);
73
74 int x, y;
75 double[,] tweak = new double[map.Width,map.Height];
76
77 double area = strength;
78 double step = strength / 4.0;
79
80 double sum = 0.0;
81 double step2 = 0.0;
82 double avg = 0.0;
83
84 // compute delta map
85 for (x = 0; x < map.Width; x++)
86 {
87 for (y = 0; y < map.Height; y++)
88 {
89 double z = SphericalFactor(x, y, rx, ry, strength);
90
91 if (z > 0) // add in non-zero amount
92 {
93 sum += map[x, y] * z;
94 step2 += z;
95 }
96 }
97 }
98
99 avg = sum / step2;
100
101 // blend in map
102 for (x = 0; x < map.Width; x++)
103 {
104 for (y = 0; y < map.Height; y++)
105 {
106 double z = SphericalFactor(x, y, rx, ry, strength) * duration;
107
108 if (z > 0) // add in non-zero amount
109 {
110 if (z > 1.0)
111 z = 1.0;
112
113 map[x, y] = (map[x, y] * (1.0 - z)) + (avg * z);
114 }
115 }
116 }
117 }
118
119 #endregion
120
121 private double SphericalFactor(double x, double y, double rx, double ry, double size)
122 {
123 double z = size * size - ((x - rx) * (x - rx) + (y - ry) * (y - ry));
124 return z;
125 }
126 }
127} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/LowerSphere.cs b/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/LowerSphere.cs
new file mode 100644
index 0000000..0b80407
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/LowerSphere.cs
@@ -0,0 +1,67 @@
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 OpenSim.Region.Environment.Interfaces;
30
31namespace OpenSim.Region.Environment.Modules.World.Terrain.PaintBrushes
32{
33 public class LowerSphere : ITerrainPaintableEffect
34 {
35 #region ITerrainPaintableEffect Members
36
37 public void PaintEffect(ITerrainChannel map, double rx, double ry, double strength, double duration)
38 {
39 strength = TerrainUtil.MetersToSphericalStrength(strength);
40
41 int x, y;
42 for (x = 0; x < map.Width; x++)
43 {
44 // Skip everything unlikely to be affected
45 if (Math.Abs(x - rx) > strength * 1.1)
46 continue;
47
48 for (y = 0; y < map.Height; y++)
49 {
50 // Skip everything unlikely to be affected
51 if (Math.Abs(y - ry) > strength * 1.1)
52 continue;
53
54 // Calculate a sphere and add it to the heighmap
55 double z = strength;
56 z *= z;
57 z -= ((x - rx) * (x - rx)) + ((y - ry) * (y - ry));
58
59 if (z > 0.0)
60 map[x, y] -= z * duration;
61 }
62 }
63 }
64
65 #endregion
66 }
67} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/NoiseSphere.cs b/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/NoiseSphere.cs
new file mode 100644
index 0000000..a188e9f
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/NoiseSphere.cs
@@ -0,0 +1,70 @@
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 OpenSim.Framework;
30using OpenSim.Region.Environment.Interfaces;
31
32namespace OpenSim.Region.Environment.Modules.World.Terrain.PaintBrushes
33{
34 public class NoiseSphere : ITerrainPaintableEffect
35 {
36 #region ITerrainPaintableEffect Members
37
38 public void PaintEffect(ITerrainChannel map, double rx, double ry, double strength, double duration)
39 {
40 strength = TerrainUtil.MetersToSphericalStrength(strength);
41
42 int x, y;
43 for (x = 0; x < map.Width; x++)
44 {
45 // Skip everything unlikely to be affected
46 if (Math.Abs(x - rx) > strength * 1.1)
47 continue;
48
49 for (y = 0; y < map.Height; y++)
50 {
51 // Skip everything unlikely to be affected
52 if (Math.Abs(y - ry) > strength * 1.1)
53 continue;
54
55 // Calculate a sphere and add it to the heighmap
56 double z = strength;
57 z *= z;
58 z -= ((x - rx) * (x - rx)) + ((y - ry) * (y - ry));
59
60 double noise = TerrainUtil.PerlinNoise2D((double) x / (double) Constants.RegionSize, (double) y / (double) Constants.RegionSize, 8, 1.0);
61
62 if (z > 0.0)
63 map[x, y] += noise * z * duration;
64 }
65 }
66 }
67
68 #endregion
69 }
70} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/OlsenSphere.cs b/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/OlsenSphere.cs
new file mode 100644
index 0000000..dc56cf1
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/OlsenSphere.cs
@@ -0,0 +1,225 @@
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 OpenSim.Region.Environment.Interfaces;
30
31namespace OpenSim.Region.Environment.Modules.World.Terrain.PaintBrushes
32{
33 /// <summary>
34 /// Speed-Optimised Hybrid Erosion Brush
35 ///
36 /// As per Jacob Olsen's Paper
37 /// http://www.oddlabs.com/download/terrain_generation.pdf
38 /// </summary>
39 public class OlsenSphere : ITerrainPaintableEffect
40 {
41 private double nConst = 1024.0;
42 private NeighbourSystem type = NeighbourSystem.Moore; // Parameter
43
44 #region Supporting Functions
45
46 private int[] Neighbours(NeighbourSystem type, int index)
47 {
48 int[] coord = new int[2];
49
50 index++;
51
52 switch (type)
53 {
54 case NeighbourSystem.Moore:
55 switch (index)
56 {
57 case 1:
58 coord[0] = -1;
59 coord[1] = -1;
60 break;
61
62 case 2:
63 coord[0] = -0;
64 coord[1] = -1;
65 break;
66
67 case 3:
68 coord[0] = +1;
69 coord[1] = -1;
70 break;
71
72 case 4:
73 coord[0] = -1;
74 coord[1] = -0;
75 break;
76
77 case 5:
78 coord[0] = -0;
79 coord[1] = -0;
80 break;
81
82 case 6:
83 coord[0] = +1;
84 coord[1] = -0;
85 break;
86
87 case 7:
88 coord[0] = -1;
89 coord[1] = +1;
90 break;
91
92 case 8:
93 coord[0] = -0;
94 coord[1] = +1;
95 break;
96
97 case 9:
98 coord[0] = +1;
99 coord[1] = +1;
100 break;
101
102 default:
103 break;
104 }
105 break;
106
107 case NeighbourSystem.VonNeumann:
108 switch (index)
109 {
110 case 1:
111 coord[0] = 0;
112 coord[1] = -1;
113 break;
114
115 case 2:
116 coord[0] = -1;
117 coord[1] = 0;
118 break;
119
120 case 3:
121 coord[0] = +1;
122 coord[1] = 0;
123 break;
124
125 case 4:
126 coord[0] = 0;
127 coord[1] = +1;
128 break;
129
130 case 5:
131 coord[0] = -0;
132 coord[1] = -0;
133 break;
134
135 default:
136 break;
137 }
138 break;
139 }
140
141 return coord;
142 }
143
144 private double SphericalFactor(double x, double y, double rx, double ry, double size)
145 {
146 double z = size * size - ((x - rx) * (x - rx) + (y - ry) * (y - ry));
147 return z;
148 }
149
150 private enum NeighbourSystem
151 {
152 Moore,
153 VonNeumann
154 } ;
155
156 #endregion
157
158 #region ITerrainPaintableEffect Members
159
160 public void PaintEffect(ITerrainChannel map, double rx, double ry, double strength, double duration)
161 {
162 strength = TerrainUtil.MetersToSphericalStrength(strength);
163
164 int x, y;
165
166 for (x = 0; x < map.Width; x++)
167 {
168 for (y = 0; y < map.Height; y++)
169 {
170 double z = SphericalFactor(x, y, rx, ry, strength);
171
172 if (z > 0) // add in non-zero amount
173 {
174 int NEIGHBOUR_ME = 4;
175 int NEIGHBOUR_MAX = type == NeighbourSystem.Moore ? 9 : 5;
176
177 double max = Double.MinValue;
178 int loc = 0;
179 double cellmax = 0;
180
181
182 for (int j = 0; j < NEIGHBOUR_MAX; j++)
183 {
184 if (j != NEIGHBOUR_ME)
185 {
186 int[] coords = Neighbours(type, j);
187
188 coords[0] += x;
189 coords[1] += y;
190
191 if (coords[0] > map.Width - 1)
192 continue;
193 if (coords[1] > map.Height - 1)
194 continue;
195 if (coords[0] < 0)
196 continue;
197 if (coords[1] < 0)
198 continue;
199
200 cellmax = map[x, y] - map[coords[0], coords[1]];
201 if (cellmax > max)
202 {
203 max = cellmax;
204 loc = j;
205 }
206 }
207 }
208
209 double T = nConst / ((map.Width + map.Height) / 2);
210 // Apply results
211 if (0 < max && max <= T)
212 {
213 int[] maxCoords = Neighbours(type, loc);
214 double heightDelta = 0.5 * max * z * duration;
215 map[x, y] -= heightDelta;
216 map[x + maxCoords[0], y + maxCoords[1]] += heightDelta;
217 }
218 }
219 }
220 }
221 }
222
223 #endregion
224 }
225} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/RaiseSphere.cs b/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/RaiseSphere.cs
new file mode 100644
index 0000000..cd5a22b
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/RaiseSphere.cs
@@ -0,0 +1,67 @@
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 OpenSim.Region.Environment.Interfaces;
30
31namespace OpenSim.Region.Environment.Modules.World.Terrain.PaintBrushes
32{
33 public class RaiseSphere : ITerrainPaintableEffect
34 {
35 #region ITerrainPaintableEffect Members
36
37 public void PaintEffect(ITerrainChannel map, double rx, double ry, double strength, double duration)
38 {
39 strength = TerrainUtil.MetersToSphericalStrength(strength);
40
41 int x, y;
42 for (x = 0; x < map.Width; x++)
43 {
44 // Skip everything unlikely to be affected
45 if (Math.Abs(x - rx) > strength * 1.1)
46 continue;
47
48 for (y = 0; y < map.Height; y++)
49 {
50 // Skip everything unlikely to be affected
51 if (Math.Abs(y - ry) > strength * 1.1)
52 continue;
53
54 // Calculate a sphere and add it to the heighmap
55 double z = strength;
56 z *= z;
57 z -= ((x - rx) * (x - rx)) + ((y - ry) * (y - ry));
58
59 if (z > 0.0)
60 map[x, y] += z * duration;
61 }
62 }
63 }
64
65 #endregion
66 }
67} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/RevertSphere.cs b/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/RevertSphere.cs
new file mode 100644
index 0000000..5b92cb5
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/RevertSphere.cs
@@ -0,0 +1,82 @@
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 OpenSim.Region.Environment.Interfaces;
30
31namespace OpenSim.Region.Environment.Modules.World.Terrain.PaintBrushes
32{
33 public class RevertSphere : ITerrainPaintableEffect
34 {
35 private ITerrainChannel m_revertmap;
36
37 public RevertSphere(ITerrainChannel revertmap)
38 {
39 m_revertmap = revertmap;
40 }
41
42 #region ITerrainPaintableEffect Members
43
44 public void PaintEffect(ITerrainChannel map, double rx, double ry, double strength, double duration)
45 {
46 strength = TerrainUtil.MetersToSphericalStrength(strength);
47
48 if (duration > 1.0)
49 duration = 1.0;
50 if (duration < 0)
51 return;
52
53 int x, y;
54 for (x = 0; x < map.Width; x++)
55 {
56 // Skip everything unlikely to be affected
57 if (Math.Abs(x - rx) > strength * 1.1)
58 continue;
59
60 for (y = 0; y < map.Height; y++)
61 {
62 // Skip everything unlikely to be affected
63 if (Math.Abs(y - ry) > strength * 1.1)
64 continue;
65
66 // Calculate a sphere and add it to the heighmap
67 double z = strength;
68 z *= z;
69 z -= ((x - rx) * (x - rx)) + ((y - ry) * (y - ry));
70
71 if (z > 0.0)
72 {
73 z *= duration;
74 map[x, y] += (map[x, y] * (1.0 - z)) + (m_revertmap[x, y] * z);
75 }
76 }
77 }
78 }
79
80 #endregion
81 }
82} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/SmoothSphere.cs b/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/SmoothSphere.cs
new file mode 100644
index 0000000..305a875
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/SmoothSphere.cs
@@ -0,0 +1,93 @@
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 OpenSim.Region.Environment.Interfaces;
29
30namespace OpenSim.Region.Environment.Modules.World.Terrain.PaintBrushes
31{
32 public class SmoothSphere : ITerrainPaintableEffect
33 {
34 #region ITerrainPaintableEffect Members
35
36 public void PaintEffect(ITerrainChannel map, double rx, double ry, double strength, double duration)
37 {
38 strength = TerrainUtil.MetersToSphericalStrength(strength);
39
40 int x, y;
41 double[,] tweak = new double[map.Width,map.Height];
42
43 double n, l;
44 double area = strength;
45 double step = strength / 4.0;
46
47 // compute delta map
48 for (x = 0; x < map.Width; x++)
49 {
50 for (y = 0; y < map.Height; y++)
51 {
52 double z = TerrainUtil.SphericalFactor(x, y, rx, ry, strength);
53
54 if (z > 0) // add in non-zero amount
55 {
56 double average = 0.0;
57 int avgsteps = 0;
58
59 for (n = 0.0 - area; n < area; n += step)
60 {
61 for (l = 0.0 - area; l < area; l += step)
62 {
63 avgsteps++;
64 average += TerrainUtil.GetBilinearInterpolate(x + n, y + l, map);
65 }
66 }
67 tweak[x, y] = average / avgsteps;
68 }
69 }
70 }
71 // blend in map
72 for (x = 0; x < map.Width; x++)
73 {
74 for (y = 0; y < map.Height; y++)
75 {
76 double z = TerrainUtil.SphericalFactor(x, y, rx, ry, strength);
77
78 if (z > 0) // add in non-zero amount
79 {
80 double da = z;
81 double a = (map[x, y] - tweak[x, y]) * da;
82 double newz = map[x, y] - (a * duration);
83
84 if (newz > 0.0)
85 map[x, y] = newz;
86 }
87 }
88 }
89 }
90
91 #endregion
92 }
93} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/WeatherSphere.cs b/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/WeatherSphere.cs
new file mode 100644
index 0000000..2d81054
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/WeatherSphere.cs
@@ -0,0 +1,207 @@
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 OpenSim.Region.Environment.Interfaces;
29
30namespace OpenSim.Region.Environment.Modules.World.Terrain.PaintBrushes
31{
32 /// <summary>
33 /// Thermal Weathering Paint Brush
34 /// </summary>
35 public class WeatherSphere : ITerrainPaintableEffect
36 {
37 private double talus = 0.2; // Number of meters max difference before stop eroding. Tweakage required.
38 private NeighbourSystem type = NeighbourSystem.Moore; // Parameter
39
40 #region Supporting Functions
41
42 private int[] Neighbours(NeighbourSystem type, int index)
43 {
44 int[] coord = new int[2];
45
46 index++;
47
48 switch (type)
49 {
50 case NeighbourSystem.Moore:
51 switch (index)
52 {
53 case 1:
54 coord[0] = -1;
55 coord[1] = -1;
56 break;
57
58 case 2:
59 coord[0] = -0;
60 coord[1] = -1;
61 break;
62
63 case 3:
64 coord[0] = +1;
65 coord[1] = -1;
66 break;
67
68 case 4:
69 coord[0] = -1;
70 coord[1] = -0;
71 break;
72
73 case 5:
74 coord[0] = -0;
75 coord[1] = -0;
76 break;
77
78 case 6:
79 coord[0] = +1;
80 coord[1] = -0;
81 break;
82
83 case 7:
84 coord[0] = -1;
85 coord[1] = +1;
86 break;
87
88 case 8:
89 coord[0] = -0;
90 coord[1] = +1;
91 break;
92
93 case 9:
94 coord[0] = +1;
95 coord[1] = +1;
96 break;
97
98 default:
99 break;
100 }
101 break;
102
103 case NeighbourSystem.VonNeumann:
104 switch (index)
105 {
106 case 1:
107 coord[0] = 0;
108 coord[1] = -1;
109 break;
110
111 case 2:
112 coord[0] = -1;
113 coord[1] = 0;
114 break;
115
116 case 3:
117 coord[0] = +1;
118 coord[1] = 0;
119 break;
120
121 case 4:
122 coord[0] = 0;
123 coord[1] = +1;
124 break;
125
126 case 5:
127 coord[0] = -0;
128 coord[1] = -0;
129 break;
130
131 default:
132 break;
133 }
134 break;
135 }
136
137 return coord;
138 }
139
140 private enum NeighbourSystem
141 {
142 Moore,
143 VonNeumann
144 } ;
145
146 #endregion
147
148 #region ITerrainPaintableEffect Members
149
150 public void PaintEffect(ITerrainChannel map, double rx, double ry, double strength, double duration)
151 {
152 strength = TerrainUtil.MetersToSphericalStrength(strength);
153
154 int x, y;
155
156 for (x = 0; x < map.Width; x++)
157 {
158 for (y = 0; y < map.Height; y++)
159 {
160 double z = TerrainUtil.SphericalFactor(x, y, rx, ry, strength);
161
162 if (z > 0) // add in non-zero amount
163 {
164 int NEIGHBOUR_ME = 4;
165
166 int NEIGHBOUR_MAX = type == NeighbourSystem.Moore ? 9 : 5;
167
168 for (int j = 0; j < NEIGHBOUR_MAX; j++)
169 {
170 if (j != NEIGHBOUR_ME)
171 {
172 int[] coords = Neighbours(type, j);
173
174 coords[0] += x;
175 coords[1] += y;
176
177 if (coords[0] > map.Width - 1)
178 continue;
179 if (coords[1] > map.Height - 1)
180 continue;
181 if (coords[0] < 0)
182 continue;
183 if (coords[1] < 0)
184 continue;
185
186 double heightF = map[x, y];
187 double target = map[coords[0], coords[1]];
188
189 if (target > heightF + talus)
190 {
191 double calc = duration * ((target - heightF) - talus) * z;
192 heightF += calc;
193 target -= calc;
194 }
195
196 map[x, y] = heightF;
197 map[coords[0], coords[1]] = target;
198 }
199 }
200 }
201 }
202 }
203 }
204
205 #endregion
206 }
207} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/TerrainChannel.cs b/OpenSim/Region/Environment/Modules/World/Terrain/TerrainChannel.cs
new file mode 100644
index 0000000..e2df885
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/TerrainChannel.cs
@@ -0,0 +1,157 @@
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 OpenSim.Framework;
29using OpenSim.Region.Environment.Interfaces;
30
31namespace OpenSim.Region.Environment.Modules.World.Terrain
32{
33 /// <summary>
34 /// A new version of the old Channel class, simplified
35 /// </summary>
36 public class TerrainChannel : ITerrainChannel
37 {
38 private readonly bool[,] taint;
39 private double[,] map;
40
41 public TerrainChannel()
42 {
43 map = new double[Constants.RegionSize,Constants.RegionSize];
44 taint = new bool[Constants.RegionSize / 16,Constants.RegionSize / 16];
45
46 int x;
47 for (x = 0; x < Constants.RegionSize; x++)
48 {
49 int y;
50 for (y = 0; y < Constants.RegionSize; y++)
51 {
52 map[x, y] = TerrainUtil.PerlinNoise2D(x, y, 3, 0.25) * 10;
53 double spherFac = TerrainUtil.SphericalFactor(x, y, Constants.RegionSize / 2, Constants.RegionSize / 2, 50) * 0.01;
54 if (map[x, y] < spherFac)
55 {
56 map[x, y] = spherFac;
57 }
58 }
59 }
60 }
61
62 public TerrainChannel(double[,] import)
63 {
64 map = import;
65 taint = new bool[import.GetLength(0),import.GetLength(1)];
66 }
67
68 public TerrainChannel(bool createMap)
69 {
70 if (createMap)
71 {
72 map = new double[Constants.RegionSize,Constants.RegionSize];
73 taint = new bool[Constants.RegionSize / 16,Constants.RegionSize / 16];
74 }
75 }
76
77 public TerrainChannel(int w, int h)
78 {
79 map = new double[w,h];
80 taint = new bool[w / 16,h / 16];
81 }
82
83 #region ITerrainChannel Members
84
85 public int Width
86 {
87 get { return map.GetLength(0); }
88 }
89
90 public int Height
91 {
92 get { return map.GetLength(1); }
93 }
94
95 public ITerrainChannel MakeCopy()
96 {
97 TerrainChannel copy = new TerrainChannel(false);
98 copy.map = (double[,]) map.Clone();
99
100 return copy;
101 }
102
103 public float[] GetFloatsSerialised()
104 {
105 float[] heights = new float[Width * Height];
106 int i;
107
108 for (i = 0; i < Width * Height; i++)
109 {
110 heights[i] = (float) map[i % Width, i / Width];
111 }
112
113 return heights;
114 }
115
116 public double[,] GetDoubles()
117 {
118 return map;
119 }
120
121 public double this[int x, int y]
122 {
123 get { return map[x, y]; }
124 set
125 {
126 if (map[x, y] != value)
127 {
128 taint[x / 16, y / 16] = true;
129 map[x, y] = value;
130 }
131 }
132 }
133
134 public bool Tainted(int x, int y)
135 {
136 if (taint[x / 16, y / 16])
137 {
138 taint[x / 16, y / 16] = false;
139 return true;
140 }
141 else
142 {
143 return false;
144 }
145 }
146
147 #endregion
148
149 public TerrainChannel Copy()
150 {
151 TerrainChannel copy = new TerrainChannel(false);
152 copy.map = (double[,]) map.Clone();
153
154 return copy;
155 }
156 }
157} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/TerrainException.cs b/OpenSim/Region/Environment/Modules/World/Terrain/TerrainException.cs
new file mode 100644
index 0000000..1095cb9
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/TerrainException.cs
@@ -0,0 +1,46 @@
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;
29
30namespace OpenSim.Region.Environment.Modules.World.Terrain
31{
32 public class TerrainException : Exception
33 {
34 public TerrainException() : base()
35 {
36 }
37
38 public TerrainException(string msg) : base(msg)
39 {
40 }
41
42 public TerrainException(string msg, Exception e) : base(msg, e)
43 {
44 }
45 }
46} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/TerrainModule.cs b/OpenSim/Region/Environment/Modules/World/Terrain/TerrainModule.cs
new file mode 100644
index 0000000..cf85aa4
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/TerrainModule.cs
@@ -0,0 +1,737 @@
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.Collections.Generic;
30using System.IO;
31using System.Reflection;
32using libsecondlife;
33using log4net;
34using Nini.Config;
35using OpenSim.Framework;
36using OpenSim.Region.Environment.Interfaces;
37using OpenSim.Region.Environment.Modules.Framework;
38using OpenSim.Region.Environment.Modules.World.Terrain;
39using OpenSim.Region.Environment.Modules.World.Terrain.FileLoaders;
40using OpenSim.Region.Environment.Modules.World.Terrain.FloodBrushes;
41using OpenSim.Region.Environment.Modules.World.Terrain.PaintBrushes;
42using OpenSim.Region.Environment.Scenes;
43
44namespace OpenSim.Region.Environment.Modules.World.Terrain
45{
46 public class TerrainModule : IRegionModule, ICommandableModule, ITerrainModule
47 {
48 #region StandardTerrainEffects enum
49
50 /// <summary>
51 /// A standard set of terrain brushes and effects recognised by viewers
52 /// </summary>
53 public enum StandardTerrainEffects : byte
54 {
55 Flatten = 0,
56 Raise = 1,
57 Lower = 2,
58 Smooth = 3,
59 Noise = 4,
60 Revert = 5,
61
62 // Extended brushes
63 Erode = 255,
64 Weather = 254,
65 Olsen = 253
66 }
67
68 #endregion
69
70 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
71
72 private readonly Commander m_commander = new Commander("Terrain");
73
74 private readonly Dictionary<StandardTerrainEffects, ITerrainFloodEffect> m_floodeffects =
75 new Dictionary<StandardTerrainEffects, ITerrainFloodEffect>();
76
77 private readonly Dictionary<string, ITerrainLoader> m_loaders = new Dictionary<string, ITerrainLoader>();
78
79 private readonly Dictionary<StandardTerrainEffects, ITerrainPaintableEffect> m_painteffects =
80 new Dictionary<StandardTerrainEffects, ITerrainPaintableEffect>();
81
82 private Dictionary<Location, ITerrainChannel> m_channels;
83
84 private ITerrainChannel m_channel;
85 private Dictionary<string, ITerrainEffect> m_plugineffects;
86 private ITerrainChannel m_revert;
87 private Scene m_scene;
88 private bool m_tainted = false;
89
90 #region ICommandableModule Members
91
92 public ICommander CommandInterface
93 {
94 get { return m_commander; }
95 }
96
97 #endregion
98
99 #region IRegionModule Members
100
101 /// <summary>
102 /// Creates and initialises a terrain module for a region
103 /// </summary>
104 /// <param name="scene">Region initialising</param>
105 /// <param name="config">Config for the region</param>
106 public void Initialise(Scene scene, IConfigSource config)
107 {
108 m_scene = scene;
109
110 // Install terrain module in the simulator
111 if (m_scene.Heightmap == null)
112 {
113 lock (m_scene)
114 {
115 m_channel = new TerrainChannel();
116 m_scene.Heightmap = m_channel;
117 m_revert = new TerrainChannel();
118 UpdateRevertMap();
119 }
120 }
121 else
122 {
123 m_channel = m_scene.Heightmap;
124 m_revert = new TerrainChannel();
125 UpdateRevertMap();
126 }
127
128 m_scene.RegisterModuleInterface<ITerrainModule>(this);
129 m_scene.EventManager.OnNewClient += EventManager_OnNewClient;
130 m_scene.EventManager.OnPluginConsole += EventManager_OnPluginConsole;
131 m_scene.EventManager.OnTerrainTick += EventManager_OnTerrainTick;
132 }
133
134 /// <summary>
135 /// Enables terrain module when called
136 /// </summary>
137 public void PostInitialise()
138 {
139 InstallDefaultEffects();
140 InstallInterfaces();
141 LoadPlugins();
142 }
143
144 public void Close()
145 {
146 }
147
148 public string Name
149 {
150 get { return "TerrainModule"; }
151 }
152
153 public bool IsSharedModule
154 {
155 get { return false; }
156 }
157
158 #endregion
159
160 #region ITerrainModule Members
161
162 /// <summary>
163 /// Loads a terrain file from disk and installs it in the scene.
164 /// </summary>
165 /// <param name="filename">Filename to terrain file. Type is determined by extension.</param>
166 public void LoadFromFile(string filename)
167 {
168 foreach (KeyValuePair<string, ITerrainLoader> loader in m_loaders)
169 {
170 if (filename.EndsWith(loader.Key))
171 {
172 lock (m_scene)
173 {
174 try
175 {
176 ITerrainChannel channel = loader.Value.LoadFile(filename);
177 m_scene.Heightmap = channel;
178 m_channel = channel;
179 UpdateRevertMap();
180 }
181 catch (NotImplementedException)
182 {
183 m_log.Error("[TERRAIN]: Unable to load heightmap, the " + loader.Value +
184 " parser does not support file loading. (May be save only)");
185 throw new TerrainException(String.Format("unable to load heightmap: parser {0} does not support loading", loader.Value));
186 }
187 catch (FileNotFoundException)
188 {
189 m_log.Error(
190 "[TERRAIN]: Unable to load heightmap, file not found. (A directory permissions error may also cause this)");
191 throw new TerrainException(
192 String.Format("unable to load heightmap: file {0} not found (or permissions do not allow access", filename));
193 }
194 }
195 CheckForTerrainUpdates();
196 m_log.Info("[TERRAIN]: File (" + filename + ") loaded successfully");
197 return;
198 }
199 }
200 m_log.Error("[TERRAIN]: Unable to load heightmap, no file loader availible for that format.");
201 throw new TerrainException(String.Format("unable to load heightmap from file {0}: no loader available for that format", filename));
202 }
203
204 /// <summary>
205 /// Saves the current heightmap to a specified file.
206 /// </summary>
207 /// <param name="filename">The destination filename</param>
208 public void SaveToFile(string filename)
209 {
210 try
211 {
212 foreach (KeyValuePair<string, ITerrainLoader> loader in m_loaders)
213 {
214 if (filename.EndsWith(loader.Key))
215 {
216 loader.Value.SaveFile(filename, m_channel);
217 return;
218 }
219 }
220 }
221 catch (NotImplementedException)
222 {
223 m_log.Error("Unable to save to " + filename + ", saving of this file format has not been implemented.");
224 throw new TerrainException(String.Format("Unable to save heightmap: saving of this file format not implemented"));
225 }
226 }
227
228 #region Plugin Loading Methods
229
230 private void LoadPlugins()
231 {
232 m_plugineffects = new Dictionary<string, ITerrainEffect>();
233 // Load the files in the Terrain/ dir
234 string[] files = Directory.GetFiles("Terrain");
235 foreach (string file in files)
236 {
237 m_log.Info("Loading effects in " + file);
238 try
239 {
240 Assembly library = Assembly.LoadFrom(file);
241 foreach (Type pluginType in library.GetTypes())
242 {
243 try
244 {
245 if (pluginType.IsAbstract || pluginType.IsNotPublic)
246 continue;
247
248 if (pluginType.GetInterface("ITerrainEffect", false) != null)
249 {
250 ITerrainEffect terEffect = (ITerrainEffect) Activator.CreateInstance(library.GetType(pluginType.ToString()));
251 if (!m_plugineffects.ContainsKey(pluginType.Name))
252 {
253 m_plugineffects.Add(pluginType.Name, terEffect);
254 m_log.Info("E ... " + pluginType.Name);
255 } else
256 {
257 m_log.Warn("E ... " + pluginType.Name + " (Already added)");
258 }
259 }
260 else if (pluginType.GetInterface("ITerrainLoader", false) != null)
261 {
262 ITerrainLoader terLoader = (ITerrainLoader) Activator.CreateInstance(library.GetType(pluginType.ToString()));
263 m_loaders[terLoader.FileExtension] = terLoader;
264 m_log.Info("L ... " + pluginType.Name);
265 }
266 }
267 catch (AmbiguousMatchException)
268 {
269 }
270 }
271 }
272 catch (BadImageFormatException)
273 {
274 }
275 }
276 }
277
278 #endregion
279
280 #endregion
281
282 /// <summary>
283 /// Installs into terrain module the standard suite of brushes
284 /// </summary>
285 private void InstallDefaultEffects()
286 {
287 // Draggable Paint Brush Effects
288 m_painteffects[StandardTerrainEffects.Raise] = new RaiseSphere();
289 m_painteffects[StandardTerrainEffects.Lower] = new LowerSphere();
290 m_painteffects[StandardTerrainEffects.Smooth] = new SmoothSphere();
291 m_painteffects[StandardTerrainEffects.Noise] = new NoiseSphere();
292 m_painteffects[StandardTerrainEffects.Flatten] = new FlattenSphere();
293 m_painteffects[StandardTerrainEffects.Revert] = new RevertSphere(m_revert);
294 m_painteffects[StandardTerrainEffects.Erode] = new ErodeSphere();
295 m_painteffects[StandardTerrainEffects.Weather] = new WeatherSphere();
296 m_painteffects[StandardTerrainEffects.Olsen] = new OlsenSphere();
297
298 // Area of effect selection effects
299 m_floodeffects[StandardTerrainEffects.Raise] = new RaiseArea();
300 m_floodeffects[StandardTerrainEffects.Lower] = new LowerArea();
301 m_floodeffects[StandardTerrainEffects.Smooth] = new SmoothArea();
302 m_floodeffects[StandardTerrainEffects.Noise] = new NoiseArea();
303 m_floodeffects[StandardTerrainEffects.Flatten] = new FlattenArea();
304 m_floodeffects[StandardTerrainEffects.Revert] = new RevertArea(m_revert);
305
306 // Filesystem load/save loaders
307 m_loaders[".r32"] = new RAW32();
308 m_loaders[".f32"] = m_loaders[".r32"];
309 m_loaders[".ter"] = new Terragen();
310 m_loaders[".raw"] = new LLRAW();
311 m_loaders[".jpg"] = new JPEG();
312 m_loaders[".jpeg"] = m_loaders[".jpg"];
313 m_loaders[".bmp"] = new BMP();
314 m_loaders[".png"] = new PNG();
315 m_loaders[".gif"] = new GIF();
316 m_loaders[".tif"] = new TIFF();
317 m_loaders[".tiff"] = m_loaders[".tif"];
318 }
319
320 /// <summary>
321 /// Saves the current state of the region into the revert map buffer.
322 /// </summary>
323 public void UpdateRevertMap()
324 {
325 int x;
326 for (x = 0; x < m_channel.Width; x++)
327 {
328 int y;
329 for (y = 0; y < m_channel.Height; y++)
330 {
331 m_revert[x, y] = m_channel[x, y];
332 }
333 }
334 }
335
336 /// <summary>
337 /// Loads a tile from a larger terrain file and installs it into the region.
338 /// </summary>
339 /// <param name="filename">The terrain file to load</param>
340 /// <param name="fileWidth">The width of the file in units</param>
341 /// <param name="fileHeight">The height of the file in units</param>
342 /// <param name="fileStartX">Where to begin our slice</param>
343 /// <param name="fileStartY">Where to begin our slice</param>
344 public void LoadFromFile(string filename, int fileWidth, int fileHeight, int fileStartX, int fileStartY)
345 {
346 int offsetX = (int) m_scene.RegionInfo.RegionLocX - fileStartX;
347 int offsetY = (int) m_scene.RegionInfo.RegionLocY - fileStartY;
348
349 if (offsetX >= 0 && offsetX < fileWidth && offsetY >= 0 && offsetY < fileHeight)
350 {
351 // this region is included in the tile request
352 foreach (KeyValuePair<string, ITerrainLoader> loader in m_loaders)
353 {
354 if (filename.EndsWith(loader.Key))
355 {
356 lock (m_scene)
357 {
358 ITerrainChannel channel = loader.Value.LoadFile(filename, offsetX, offsetY,
359 fileWidth, fileHeight,
360 (int) Constants.RegionSize,
361 (int) Constants.RegionSize);
362 m_scene.Heightmap = channel;
363 m_channel = channel;
364 UpdateRevertMap();
365 }
366 return;
367 }
368 }
369 }
370 }
371
372 /// <summary>
373 /// Performs updates to the region periodically, synchronising physics and other heightmap aware sections
374 /// </summary>
375 private void EventManager_OnTerrainTick()
376 {
377 if (m_tainted)
378 {
379 m_tainted = false;
380 m_scene.PhysicsScene.SetTerrain(m_channel.GetFloatsSerialised());
381 m_scene.SaveTerrain();
382 m_scene.CreateTerrainTexture(true);
383 }
384 }
385
386 /// <summary>
387 /// Processes commandline input. Do not call directly.
388 /// </summary>
389 /// <param name="args">Commandline arguments</param>
390 private void EventManager_OnPluginConsole(string[] args)
391 {
392 if (args[0] == "terrain")
393 {
394 string[] tmpArgs = new string[args.Length - 2];
395 int i;
396 for (i = 2; i < args.Length; i++)
397 tmpArgs[i - 2] = args[i];
398
399 m_commander.ProcessConsoleCommand(args[1], tmpArgs);
400 }
401 }
402
403 /// <summary>
404 /// Installs terrain brush hook to IClientAPI
405 /// </summary>
406 /// <param name="client"></param>
407 private void EventManager_OnNewClient(IClientAPI client)
408 {
409 client.OnModifyTerrain += client_OnModifyTerrain;
410 }
411
412 /// <summary>
413 /// Checks to see if the terrain has been modified since last check
414 /// </summary>
415 private void CheckForTerrainUpdates()
416 {
417 bool shouldTaint = false;
418 float[] serialised = m_channel.GetFloatsSerialised();
419 int x;
420 for (x = 0; x < m_channel.Width; x += Constants.TerrainPatchSize)
421 {
422 int y;
423 for (y = 0; y < m_channel.Height; y += Constants.TerrainPatchSize)
424 {
425 if (m_channel.Tainted(x, y))
426 {
427 SendToClients(serialised, x, y);
428 shouldTaint = true;
429 }
430 }
431 }
432 if (shouldTaint)
433 {
434 m_tainted = true;
435 }
436 }
437
438 /// <summary>
439 /// Sends a copy of the current terrain to the scenes clients
440 /// </summary>
441 /// <param name="serialised">A copy of the terrain as a 1D float array of size w*h</param>
442 /// <param name="x">The patch corner to send</param>
443 /// <param name="y">The patch corner to send</param>
444 private void SendToClients(float[] serialised, int x, int y)
445 {
446 m_scene.ForEachClient(
447 delegate(IClientAPI controller) { controller.SendLayerData(x / Constants.TerrainPatchSize, y / Constants.TerrainPatchSize, serialised); });
448 }
449
450 private void client_OnModifyTerrain(float height, float seconds, byte size, byte action, float north, float west,
451 float south, float east, IClientAPI remoteClient)
452 {
453 // Not a good permissions check, if in area mode, need to check the entire area.
454 if (m_scene.PermissionsMngr.CanTerraform(remoteClient.AgentId, new LLVector3(north, west, 0)))
455 {
456 if (north == south && east == west)
457 {
458 if (m_painteffects.ContainsKey((StandardTerrainEffects) action))
459 {
460 m_painteffects[(StandardTerrainEffects) action].PaintEffect(
461 m_channel, west, south, size, seconds);
462
463 CheckForTerrainUpdates();
464 }
465 else
466 {
467 m_log.Debug("Unknown terrain brush type " + action);
468 }
469 }
470 else
471 {
472 if (m_floodeffects.ContainsKey((StandardTerrainEffects) action))
473 {
474 bool[,] fillArea = new bool[m_channel.Width,m_channel.Height];
475 fillArea.Initialize();
476
477 int x;
478 for (x = 0; x < m_channel.Width; x++)
479 {
480 int y;
481 for (y = 0; y < m_channel.Height; y++)
482 {
483 if (x < east && x > west)
484 {
485 if (y < north && y > south)
486 {
487 fillArea[x, y] = true;
488 }
489 }
490 }
491 }
492
493 m_floodeffects[(StandardTerrainEffects) action].FloodEffect(
494 m_channel, fillArea, size);
495
496 CheckForTerrainUpdates();
497 }
498 else
499 {
500 m_log.Debug("Unknown terrain flood type " + action);
501 }
502 }
503 }
504 }
505
506 #region Console Commands
507
508 private void InterfaceLoadFile(Object[] args)
509 {
510 LoadFromFile((string) args[0]);
511 CheckForTerrainUpdates();
512 }
513
514 private void InterfaceLoadTileFile(Object[] args)
515 {
516 LoadFromFile((string) args[0],
517 (int) args[1],
518 (int) args[2],
519 (int) args[3],
520 (int) args[4]);
521 CheckForTerrainUpdates();
522 }
523
524 private void InterfaceSaveFile(Object[] args)
525 {
526 SaveToFile((string) args[0]);
527 }
528
529 private void InterfaceBakeTerrain(Object[] args)
530 {
531 UpdateRevertMap();
532 }
533
534 private void InterfaceRevertTerrain(Object[] args)
535 {
536 int x, y;
537 for (x = 0; x < m_channel.Width; x++)
538 for (y = 0; y < m_channel.Height; y++)
539 m_channel[x, y] = m_revert[x, y];
540
541 CheckForTerrainUpdates();
542 }
543
544 private void InterfaceElevateTerrain(Object[] args)
545 {
546 int x, y;
547 for (x = 0; x < m_channel.Width; x++)
548 for (y = 0; y < m_channel.Height; y++)
549 m_channel[x, y] += (double) args[0];
550 CheckForTerrainUpdates();
551 }
552
553 private void InterfaceMultiplyTerrain(Object[] args)
554 {
555 int x, y;
556 for (x = 0; x < m_channel.Width; x++)
557 for (y = 0; y < m_channel.Height; y++)
558 m_channel[x, y] *= (double) args[0];
559 CheckForTerrainUpdates();
560 }
561
562 private void InterfaceLowerTerrain(Object[] args)
563 {
564 int x, y;
565 for (x = 0; x < m_channel.Width; x++)
566 for (y = 0; y < m_channel.Height; y++)
567 m_channel[x, y] -= (double) args[0];
568 CheckForTerrainUpdates();
569 }
570
571 private void InterfaceFillTerrain(Object[] args)
572 {
573 int x, y;
574
575 for (x = 0; x < m_channel.Width; x++)
576 for (y = 0; y < m_channel.Height; y++)
577 m_channel[x, y] = (double) args[0];
578 CheckForTerrainUpdates();
579 }
580
581 private void InterfaceShowDebugStats(Object[] args)
582 {
583 double max = Double.MinValue;
584 double min = double.MaxValue;
585 double avg;
586 double sum = 0;
587
588 int x;
589 for (x = 0; x < m_channel.Width; x++)
590 {
591 int y;
592 for (y = 0; y < m_channel.Height; y++)
593 {
594 sum += m_channel[x, y];
595 if (max < m_channel[x, y])
596 max = m_channel[x, y];
597 if (min > m_channel[x, y])
598 min = m_channel[x, y];
599 }
600 }
601
602 avg = sum / (m_channel.Height * m_channel.Width);
603
604 m_log.Info("Channel " + m_channel.Width + "x" + m_channel.Height);
605 m_log.Info("max/min/avg/sum: " + max + "/" + min + "/" + avg + "/" + sum);
606 }
607
608 private void InterfaceEnableExperimentalBrushes(Object[] args)
609 {
610 if ((bool) args[0])
611 {
612 m_painteffects[StandardTerrainEffects.Revert] = new WeatherSphere();
613 m_painteffects[StandardTerrainEffects.Flatten] = new OlsenSphere();
614 m_painteffects[StandardTerrainEffects.Smooth] = new ErodeSphere();
615 }
616 else
617 {
618 InstallDefaultEffects();
619 }
620 }
621
622 private void InterfaceRunPluginEffect(Object[] args)
623 {
624 if ((string) args[0] == "list")
625 {
626 m_log.Info("List of loaded plugins");
627 foreach (KeyValuePair<string, ITerrainEffect> kvp in m_plugineffects)
628 {
629 m_log.Info(kvp.Key);
630 }
631 return;
632 }
633 if ((string) args[0] == "reload")
634 {
635 LoadPlugins();
636 return;
637 }
638 if (m_plugineffects.ContainsKey((string) args[0]))
639 {
640 m_plugineffects[(string) args[0]].RunEffect(m_channel);
641 CheckForTerrainUpdates();
642 }
643 else
644 {
645 m_log.Warn("No such plugin effect loaded.");
646 }
647 }
648
649 private void InstallInterfaces()
650 {
651 // Load / Save
652 string supportedFileExtensions = "";
653 foreach (KeyValuePair<string, ITerrainLoader> loader in m_loaders)
654 supportedFileExtensions += " " + loader.Key + " (" + loader.Value + ")";
655
656 Command loadFromFileCommand =
657 new Command("load", InterfaceLoadFile, "Loads a terrain from a specified file.");
658 loadFromFileCommand.AddArgument("filename",
659 "The file you wish to load from, the file extension determines the loader to be used. Supported extensions include: " +
660 supportedFileExtensions, "String");
661
662 Command saveToFileCommand =
663 new Command("save", InterfaceSaveFile, "Saves the current heightmap to a specified file.");
664 saveToFileCommand.AddArgument("filename",
665 "The destination filename for your heightmap, the file extension determines the format to save in. Supported extensions include: " +
666 supportedFileExtensions, "String");
667
668 Command loadFromTileCommand =
669 new Command("load-tile", InterfaceLoadTileFile, "Loads a terrain from a section of a larger file.");
670 loadFromTileCommand.AddArgument("filename",
671 "The file you wish to load from, the file extension determines the loader to be used. Supported extensions include: " +
672 supportedFileExtensions, "String");
673 loadFromTileCommand.AddArgument("file width", "The width of the file in tiles", "Integer");
674 loadFromTileCommand.AddArgument("file height", "The height of the file in tiles", "Integer");
675 loadFromTileCommand.AddArgument("minimum X tile", "The X region coordinate of the first section on the file",
676 "Integer");
677 loadFromTileCommand.AddArgument("minimum Y tile", "The Y region coordinate of the first section on the file",
678 "Integer");
679
680 // Terrain adjustments
681 Command fillRegionCommand =
682 new Command("fill", InterfaceFillTerrain, "Fills the current heightmap with a specified value.");
683 fillRegionCommand.AddArgument("value", "The numeric value of the height you wish to set your region to.",
684 "Double");
685
686 Command elevateCommand =
687 new Command("elevate", InterfaceElevateTerrain, "Raises the current heightmap by the specified amount.");
688 elevateCommand.AddArgument("amount", "The amount of height to add to the terrain in meters.", "Double");
689
690 Command lowerCommand =
691 new Command("lower", InterfaceLowerTerrain, "Lowers the current heightmap by the specified amount.");
692 lowerCommand.AddArgument("amount", "The amount of height to remove from the terrain in meters.", "Double");
693
694 Command multiplyCommand =
695 new Command("multiply", InterfaceMultiplyTerrain, "Multiplies the heightmap by the value specified.");
696 multiplyCommand.AddArgument("value", "The value to multiply the heightmap by.", "Double");
697
698 Command bakeRegionCommand =
699 new Command("bake", InterfaceBakeTerrain, "Saves the current terrain into the regions revert map.");
700 Command revertRegionCommand =
701 new Command("revert", InterfaceRevertTerrain, "Loads the revert map terrain into the regions heightmap.");
702
703 // Debug
704 Command showDebugStatsCommand =
705 new Command("stats", InterfaceShowDebugStats,
706 "Shows some information about the regions heightmap for debugging purposes.");
707
708 Command experimentalBrushesCommand =
709 new Command("newbrushes", InterfaceEnableExperimentalBrushes,
710 "Enables experimental brushes which replace the standard terrain brushes. WARNING: This is a debug setting and may be removed at any time.");
711 experimentalBrushesCommand.AddArgument("Enabled?", "true / false - Enable new brushes", "Boolean");
712
713 //Plugins
714 Command pluginRunCommand =
715 new Command("effect", InterfaceRunPluginEffect, "Runs a specified plugin effect");
716 pluginRunCommand.AddArgument("name", "The plugin effect you wish to run, or 'list' to see all plugins", "String");
717
718 m_commander.RegisterCommand("load", loadFromFileCommand);
719 m_commander.RegisterCommand("load-tile", loadFromTileCommand);
720 m_commander.RegisterCommand("save", saveToFileCommand);
721 m_commander.RegisterCommand("fill", fillRegionCommand);
722 m_commander.RegisterCommand("elevate", elevateCommand);
723 m_commander.RegisterCommand("lower", lowerCommand);
724 m_commander.RegisterCommand("multiply", multiplyCommand);
725 m_commander.RegisterCommand("bake", bakeRegionCommand);
726 m_commander.RegisterCommand("revert", revertRegionCommand);
727 m_commander.RegisterCommand("newbrushes", experimentalBrushesCommand);
728 m_commander.RegisterCommand("stats", showDebugStatsCommand);
729 m_commander.RegisterCommand("effect", pluginRunCommand);
730
731 // Add this to our scene so scripts can call these functions
732 m_scene.RegisterModuleCommander("Terrain", m_commander);
733 }
734
735 #endregion
736 }
737} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/TerrainUtil.cs b/OpenSim/Region/Environment/Modules/World/Terrain/TerrainUtil.cs
new file mode 100644
index 0000000..b593717
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/TerrainUtil.cs
@@ -0,0 +1,133 @@
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 OpenSim.Region.Environment.Interfaces;
30
31namespace OpenSim.Region.Environment.Modules.World.Terrain
32{
33 public static class TerrainUtil
34 {
35 public static double MetersToSphericalStrength(double size)
36 {
37 return Math.Pow(2, size);
38 }
39
40 public static double SphericalFactor(double x, double y, double rx, double ry, double size)
41 {
42 return size * size - ((x - rx) * (x - rx) + (y - ry) * (y - ry));
43 }
44
45 public static double GetBilinearInterpolate(double x, double y, ITerrainChannel map)
46 {
47 int w = map.Width;
48 int h = map.Height;
49
50 if (x > w - 2.0)
51 x = w - 2.0;
52 if (y > h - 2.0)
53 y = h - 2.0;
54 if (x < 0.0)
55 x = 0.0;
56 if (y < 0.0)
57 y = 0.0;
58
59 int stepSize = 1;
60 double h00 = map[(int) x, (int) y];
61 double h10 = map[(int) x + stepSize, (int) y];
62 double h01 = map[(int) x, (int) y + stepSize];
63 double h11 = map[(int) x + stepSize, (int) y + stepSize];
64 double h1 = h00;
65 double h2 = h10;
66 double h3 = h01;
67 double h4 = h11;
68 double a00 = h1;
69 double a10 = h2 - h1;
70 double a01 = h3 - h1;
71 double a11 = h1 - h2 - h3 + h4;
72 double partialx = x - (int) x;
73 double partialz = y - (int) y;
74 double hi = a00 + (a10 * partialx) + (a01 * partialz) + (a11 * partialx * partialz);
75 return hi;
76 }
77
78 private static double Noise(double x, double y)
79 {
80 int n = (int) x + (int) (y * 749);
81 n = (n << 13) ^ n;
82 return (1.0 - ((n * (n * n * 15731 + 789221) + 1376312589) & 0x7fffffff) / 1073741824.0);
83 }
84
85 private static double SmoothedNoise1(double x, double y)
86 {
87 double corners = (Noise(x - 1, y - 1) + Noise(x + 1, y - 1) + Noise(x - 1, y + 1) + Noise(x + 1, y + 1)) / 16;
88 double sides = (Noise(x - 1, y) + Noise(x + 1, y) + Noise(x, y - 1) + Noise(x, y + 1)) / 8;
89 double center = Noise(x, y) / 4;
90 return corners + sides + center;
91 }
92
93 private static double Interpolate(double x, double y, double z)
94 {
95 return (x * (1.0 - z)) + (y * z);
96 }
97
98 private static double InterpolatedNoise(double x, double y)
99 {
100 int integer_X = (int) (x);
101 double fractional_X = x - integer_X;
102
103 int integer_Y = (int) y;
104 double fractional_Y = y - integer_Y;
105
106 double v1 = SmoothedNoise1(integer_X, integer_Y);
107 double v2 = SmoothedNoise1(integer_X + 1, integer_Y);
108 double v3 = SmoothedNoise1(integer_X, integer_Y + 1);
109 double v4 = SmoothedNoise1(integer_X + 1, integer_Y + 1);
110
111 double i1 = Interpolate(v1, v2, fractional_X);
112 double i2 = Interpolate(v3, v4, fractional_X);
113
114 return Interpolate(i1, i2, fractional_Y);
115 }
116
117 public static double PerlinNoise2D(double x, double y, int octaves, double persistence)
118 {
119 double frequency = 0.0;
120 double amplitude = 0.0;
121 double total = 0.0;
122
123 for (int i = 0; i < octaves; i++)
124 {
125 frequency = Math.Pow(2, i);
126 amplitude = Math.Pow(persistence, i);
127
128 total += InterpolatedNoise(x * frequency, y * frequency) * amplitude;
129 }
130 return total;
131 }
132 }
133} \ No newline at end of file
generated by cgit v1.1 at 2024-07-08 18:28:29 +0000