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-rw-r--r--OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/FlattenSphere.cs125
-rw-r--r--OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/LowerSphere.cs65
-rw-r--r--OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/NoiseSphere.cs73
-rw-r--r--OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/RaiseSphere.cs32
-rw-r--r--OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/SmoothSphere.cs130
5 files changed, 421 insertions, 4 deletions
diff --git a/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/FlattenSphere.cs b/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/FlattenSphere.cs
new file mode 100644
index 0000000..d2cf1bc
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/FlattenSphere.cs
@@ -0,0 +1,125 @@
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.Terrain.PaintBrushes
31{
32 public class FlattenSphere : ITerrainPaintableEffect
33 {
34 private double SphericalFactor(double x, double y, double rx, double ry, double size)
35 {
36 double z = size * size - ((x - rx) * (x - rx) + (y - ry) * (y - ry));
37 return z;
38 }
39
40 private double GetBilinearInterpolate(double x, double y, ITerrainChannel map)
41 {
42 int w = map.Width;
43 int h = map.Height;
44
45 if (x > w - 2.0)
46 x = w - 2.0;
47 if (y > h - 2.0)
48 y = h - 2.0;
49 if (x < 0.0)
50 x = 0.0;
51 if (y < 0.0)
52 y = 0.0;
53
54 int stepSize = 1;
55 double h00 = map[(int)x, (int)y];
56 double h10 = map[(int)x + stepSize, (int)y];
57 double h01 = map[(int)x, (int)y + stepSize];
58 double h11 = map[(int)x + stepSize, (int)y + stepSize];
59 double h1 = h00;
60 double h2 = h10;
61 double h3 = h01;
62 double h4 = h11;
63 double a00 = h1;
64 double a10 = h2 - h1;
65 double a01 = h3 - h1;
66 double a11 = h1 - h2 - h3 + h4;
67 double partialx = x - (int)x;
68 double partialz = y - (int)y;
69 double hi = a00 + (a10 * partialx) + (a01 * partialz) + (a11 * partialx * partialz);
70 return hi;
71 }
72
73 #region ITerrainPaintableEffect Members
74
75 public void PaintEffect(ITerrainChannel map, double rx, double ry, double strength)
76 {
77 int x, y;
78 double[,] tweak = new double[map.Width, map.Height];
79
80 double n, l;
81 double area = strength;
82 double step = strength / 4.0;
83
84 double sum = 0.0;
85 double step2 = 0.0;
86 double avg = 0.0;
87
88 // compute delta map
89 for (x = 0; x < map.Width; x++)
90 {
91 for (y = 0; y < map.Height; y++)
92 {
93 double z = SphericalFactor(x, y, rx, ry, strength);
94
95 if (z > 0) // add in non-zero amount
96 {
97 sum += map[x, y] * z;
98 step2 += z;
99 }
100 }
101 }
102
103 avg = sum / step2;
104
105 // blend in map
106 for (x = 0; x < map.Width; x++)
107 {
108 for (y = 0; y < map.Height; y++)
109 {
110 double z = SphericalFactor(x, y, rx, ry, strength);
111
112 if (z > 0) // add in non-zero amount
113 {
114 if (z > 1.0)
115 z = 1.0;
116
117 map[x, y] = (map[x, y] * (1.0 - z)) + (avg * z);
118 }
119 }
120 }
121 }
122
123 #endregion
124 }
125} \ No newline at end of file
diff --git a/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/LowerSphere.cs b/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/LowerSphere.cs
new file mode 100644
index 0000000..4a05e76
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/LowerSphere.cs
@@ -0,0 +1,65 @@
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.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)
38 {
39 int x, y;
40 for (x = 0; x < map.Width; x++)
41 {
42 // Skip everything unlikely to be affected
43 if (Math.Abs(x - rx) > strength * 1.1)
44 continue;
45
46 for (y = 0; y < map.Height; y++)
47 {
48 // Skip everything unlikely to be affected
49 if (Math.Abs(y - ry) > strength * 1.1)
50 continue;
51
52 // Calculate a sphere and add it to the heighmap
53 double z = strength;
54 z *= z;
55 z -= ((x - rx) * (x - rx)) + ((y - ry) * (y - ry));
56
57 if (z > 0.0)
58 map[x, y] -= z;
59 }
60 }
61 }
62
63 #endregion
64 }
65}
diff --git a/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/NoiseSphere.cs b/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/NoiseSphere.cs
new file mode 100644
index 0000000..226bd3e
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/NoiseSphere.cs
@@ -0,0 +1,73 @@
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.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)
39 {
40 int x, y;
41 for (x = 0; x < map.Width; x++)
42 {
43 // Skip everything unlikely to be affected
44 if (Math.Abs(x - rx) > strength * 1.1)
45 continue;
46
47 for (y = 0; y < map.Height; y++)
48 {
49 // Skip everything unlikely to be affected
50 if (Math.Abs(y - ry) > strength * 1.1)
51 continue;
52
53 // Calculate a sphere and add it to the heighmap
54 double z = strength;
55 z *= z;
56 z -= ((x - rx) * (x - rx)) + ((y - ry) * (y - ry));
57
58 double noise;
59
60 lock (Util.RandomClass)
61 {
62 noise = Util.RandomClass.NextDouble();
63 }
64
65 if (z > 0.0)
66 map[x, y] += (noise - 0.5) * z;
67 }
68 }
69 }
70
71 #endregion
72 }
73}
diff --git a/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/RaiseSphere.cs b/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/RaiseSphere.cs
index ff7ec0b..fad5b11 100644
--- a/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/RaiseSphere.cs
+++ b/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/RaiseSphere.cs
@@ -1,7 +1,31 @@
1using System; 1/*
2using System.Collections.Generic; 2* Copyright (c) Contributors, http://opensimulator.org/
3using System.Text; 3* See CONTRIBUTORS.TXT for a full list of copyright holders.
4using OpenSim.Region.Environment.Modules.Terrain; 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;
5using OpenSim.Region.Environment.Interfaces; 29using OpenSim.Region.Environment.Interfaces;
6 30
7namespace OpenSim.Region.Environment.Modules.Terrain.PaintBrushes 31namespace OpenSim.Region.Environment.Modules.Terrain.PaintBrushes
diff --git a/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/SmoothSphere.cs b/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/SmoothSphere.cs
new file mode 100644
index 0000000..076b3cc
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/SmoothSphere.cs
@@ -0,0 +1,130 @@
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.Terrain.PaintBrushes
31{
32 public class SmoothSphere : ITerrainPaintableEffect
33 {
34 private double SphericalFactor(double x, double y, double rx, double ry, double size)
35 {
36 double z = size * size - ((x - rx) * (x - rx) + (y - ry) * (y - ry));
37 return z;
38 }
39
40 private double GetBilinearInterpolate(double x, double y, ITerrainChannel map)
41 {
42 int w = map.Width;
43 int h = map.Height;
44
45 if (x > w - 2.0)
46 x = w - 2.0;
47 if (y > h - 2.0)
48 y = h - 2.0;
49 if (x < 0.0)
50 x = 0.0;
51 if (y < 0.0)
52 y = 0.0;
53
54 int stepSize = 1;
55 double h00 = map[(int)x, (int)y];
56 double h10 = map[(int)x + stepSize, (int)y];
57 double h01 = map[(int)x, (int)y + stepSize];
58 double h11 = map[(int)x + stepSize, (int)y + stepSize];
59 double h1 = h00;
60 double h2 = h10;
61 double h3 = h01;
62 double h4 = h11;
63 double a00 = h1;
64 double a10 = h2 - h1;
65 double a01 = h3 - h1;
66 double a11 = h1 - h2 - h3 + h4;
67 double partialx = x - (int)x;
68 double partialz = y - (int)y;
69 double hi = a00 + (a10 * partialx) + (a01 * partialz) + (a11 * partialx * partialz);
70 return hi;
71 }
72
73 #region ITerrainPaintableEffect Members
74
75 public void PaintEffect(ITerrainChannel map, double rx, double ry, double strength)
76 {
77 int x, y;
78 double[,] tweak = new double[map.Width, map.Height];
79
80 double n, l;
81 double area = strength;
82 double step = strength / 4.0;
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 double average = 0.0;
94 int avgsteps = 0;
95
96 for (n = 0.0 - area; n < area; n += step)
97 {
98 for (l = 0.0 - area; l < area; l += step)
99 {
100 avgsteps++;
101 average += GetBilinearInterpolate(x + n, y + l, map);
102 }
103 }
104 tweak[x, y] = average / avgsteps;
105 }
106 }
107 }
108 // blend in map
109 for (x = 0; x < map.Width; x++)
110 {
111 for (y = 0; y < map.Height; y++)
112 {
113 double z = SphericalFactor(x, y, rx, ry, strength);
114
115 if (z > 0) // add in non-zero amount
116 {
117 double da = z;
118 double a = (map[x, y] - tweak[x, y]) * da;
119 double newz = map[x, y] - a;
120
121 if (newz > 0.0)
122 map[x, y] = newz;
123 }
124 }
125 }
126 }
127
128 #endregion
129 }
130} \ No newline at end of file
generated by cgit v1.1 at 2024-07-05 07:31:14 +0000