diff options
Diffstat (limited to '')
-rw-r--r-- | OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Generators/Fracture.cs | 288 |
1 files changed, 144 insertions, 144 deletions
diff --git a/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Generators/Fracture.cs b/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Generators/Fracture.cs index 13dd1bc..2d42759 100644 --- a/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Generators/Fracture.cs +++ b/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Generators/Fracture.cs | |||
@@ -1,145 +1,145 @@ | |||
1 | /* | 1 | /* |
2 | * Copyright (c) Contributors, http://www.openmetaverse.org/ | 2 | * Copyright (c) Contributors, http://www.openmetaverse.org/ |
3 | * See CONTRIBUTORS.TXT for a full list of copyright holders. | 3 | * See CONTRIBUTORS.TXT for a full list of copyright holders. |
4 | * | 4 | * |
5 | * Redistribution and use in source and binary forms, with or without | 5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions are met: | 6 | * modification, are permitted provided that the following conditions are met: |
7 | * * Redistributions of source code must retain the above copyright | 7 | * * Redistributions of source code must retain the above copyright |
8 | * notice, this list of conditions and the following disclaimer. | 8 | * notice, this list of conditions and the following disclaimer. |
9 | * * Redistributions in binary form must reproduce the above copyright | 9 | * * Redistributions in binary form must reproduce the above copyright |
10 | * notice, this list of conditions and the following disclaimer in the | 10 | * notice, this list of conditions and the following disclaimer in the |
11 | * documentation and/or other materials provided with the distribution. | 11 | * documentation and/or other materials provided with the distribution. |
12 | * * Neither the name of the OpenSim Project nor the | 12 | * * Neither the name of the OpenSim Project nor the |
13 | * names of its contributors may be used to endorse or promote products | 13 | * names of its contributors may be used to endorse or promote products |
14 | * derived from this software without specific prior written permission. | 14 | * derived from this software without specific prior written permission. |
15 | * | 15 | * |
16 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS AND ANY | 16 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS AND ANY |
17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | 17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | 18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
19 | * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY | 19 | * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY |
20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | 20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | 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 | 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 | 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 | 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. | 25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * | 26 | * |
27 | */ | 27 | */ |
28 | 28 | ||
29 | using System; | 29 | using System; |
30 | using System.Collections.Generic; | 30 | using System.Collections.Generic; |
31 | using System.Text; | 31 | using System.Text; |
32 | 32 | ||
33 | namespace libTerrain | 33 | namespace libTerrain |
34 | { | 34 | { |
35 | partial class Channel | 35 | partial class Channel |
36 | { | 36 | { |
37 | /// <summary> | 37 | /// <summary> |
38 | /// Produces a set of coordinates defined by an edge point. Eg - 0 = 0,0. 256 = 0,256. 512 = 256,256 | 38 | /// Produces a set of coordinates defined by an edge point. Eg - 0 = 0,0. 256 = 0,256. 512 = 256,256 |
39 | /// Assumes a 256^2 heightmap. This needs fixing for input values of w,h | 39 | /// Assumes a 256^2 heightmap. This needs fixing for input values of w,h |
40 | /// </summary> | 40 | /// </summary> |
41 | /// <param name="val"></param> | 41 | /// <param name="val"></param> |
42 | /// <param name="w"></param> | 42 | /// <param name="w"></param> |
43 | /// <param name="h"></param> | 43 | /// <param name="h"></param> |
44 | /// <returns></returns> | 44 | /// <returns></returns> |
45 | private int[] RadialEdge256(int val) | 45 | private int[] RadialEdge256(int val) |
46 | { | 46 | { |
47 | // Four cases: | 47 | // Four cases: |
48 | // 1. 000..255 return 0,val | 48 | // 1. 000..255 return 0,val |
49 | // 2. 256..511 return val - 256,255 | 49 | // 2. 256..511 return val - 256,255 |
50 | // 3. 512..767 return 255, val - 511 | 50 | // 3. 512..767 return 255, val - 511 |
51 | // 4. 768..1023 return val - 768,0 | 51 | // 4. 768..1023 return val - 768,0 |
52 | 52 | ||
53 | int[] ret = new int[2]; | 53 | int[] ret = new int[2]; |
54 | 54 | ||
55 | if (val < 256) | 55 | if (val < 256) |
56 | { | 56 | { |
57 | ret[0] = 0; | 57 | ret[0] = 0; |
58 | ret[1] = val; | 58 | ret[1] = val; |
59 | return ret; | 59 | return ret; |
60 | } | 60 | } |
61 | if (val < 512) | 61 | if (val < 512) |
62 | { | 62 | { |
63 | ret[0] = (val % 256); | 63 | ret[0] = (val % 256); |
64 | ret[1] = 255; | 64 | ret[1] = 255; |
65 | return ret; | 65 | return ret; |
66 | } | 66 | } |
67 | if (val < 768) | 67 | if (val < 768) |
68 | { | 68 | { |
69 | ret[0] = 255; | 69 | ret[0] = 255; |
70 | ret[1] = 255 - (val % 256); | 70 | ret[1] = 255 - (val % 256); |
71 | return ret; | 71 | return ret; |
72 | } | 72 | } |
73 | if (val < 1024) | 73 | if (val < 1024) |
74 | { | 74 | { |
75 | ret[0] = 255 - (val % 256); | 75 | ret[0] = 255 - (val % 256); |
76 | ret[1] = 255; | 76 | ret[1] = 255; |
77 | return ret; | 77 | return ret; |
78 | } | 78 | } |
79 | 79 | ||
80 | throw new Exception("Out of bounds parameter (val)"); | 80 | throw new Exception("Out of bounds parameter (val)"); |
81 | } | 81 | } |
82 | 82 | ||
83 | public void Fracture(int number, double scalemin, double scalemax) | 83 | public void Fracture(int number, double scalemin, double scalemax) |
84 | { | 84 | { |
85 | SetDiff(); | 85 | SetDiff(); |
86 | 86 | ||
87 | Random rand = new Random(seed); | 87 | Random rand = new Random(seed); |
88 | 88 | ||
89 | for (int i = 0; i < number; i++) | 89 | for (int i = 0; i < number; i++) |
90 | { | 90 | { |
91 | int[] a, b; | 91 | int[] a, b; |
92 | 92 | ||
93 | a = RadialEdge256(rand.Next(1023)); // TODO: Broken | 93 | a = RadialEdge256(rand.Next(1023)); // TODO: Broken |
94 | b = RadialEdge256(rand.Next(1023)); // TODO: Broken | 94 | b = RadialEdge256(rand.Next(1023)); // TODO: Broken |
95 | double z = rand.NextDouble(); | 95 | double z = rand.NextDouble(); |
96 | double u = rand.NextDouble(); | 96 | double u = rand.NextDouble(); |
97 | double v = rand.NextDouble(); | 97 | double v = rand.NextDouble(); |
98 | 98 | ||
99 | for (int x = 0; x < w; x++) | 99 | for (int x = 0; x < w; x++) |
100 | { | 100 | { |
101 | for (int y = 0; y < h; y++) | 101 | for (int y = 0; y < h; y++) |
102 | { | 102 | { |
103 | double miny = Tools.linearInterpolate(a[1], b[1], (double)x / (double)w); | 103 | double miny = Tools.linearInterpolate(a[1], b[1], (double)x / (double)w); |
104 | 104 | ||
105 | if (v >= 0.5) | 105 | if (v >= 0.5) |
106 | { | 106 | { |
107 | if (u >= 0.5) | 107 | if (u >= 0.5) |
108 | { | 108 | { |
109 | if (y > miny) | 109 | if (y > miny) |
110 | { | 110 | { |
111 | map[x, y] += Tools.linearInterpolate(scalemin, scalemax, z); | 111 | map[x, y] += Tools.linearInterpolate(scalemin, scalemax, z); |
112 | } | 112 | } |
113 | } | 113 | } |
114 | else | 114 | else |
115 | { | 115 | { |
116 | if (y < miny) | 116 | if (y < miny) |
117 | { | 117 | { |
118 | map[x, y] += Tools.linearInterpolate(scalemin, scalemax, z); | 118 | map[x, y] += Tools.linearInterpolate(scalemin, scalemax, z); |
119 | } | 119 | } |
120 | } | 120 | } |
121 | } | 121 | } |
122 | else | 122 | else |
123 | { | 123 | { |
124 | if (u >= 0.5) | 124 | if (u >= 0.5) |
125 | { | 125 | { |
126 | if (x > miny) | 126 | if (x > miny) |
127 | { | 127 | { |
128 | map[x, y] += Tools.linearInterpolate(scalemin, scalemax, z); | 128 | map[x, y] += Tools.linearInterpolate(scalemin, scalemax, z); |
129 | } | 129 | } |
130 | } | 130 | } |
131 | else | 131 | else |
132 | { | 132 | { |
133 | if (x < miny) | 133 | if (x < miny) |
134 | { | 134 | { |
135 | map[x, y] += Tools.linearInterpolate(scalemin, scalemax, z); | 135 | map[x, y] += Tools.linearInterpolate(scalemin, scalemax, z); |
136 | } | 136 | } |
137 | } | 137 | } |
138 | } | 138 | } |
139 | } | 139 | } |
140 | } | 140 | } |
141 | } | 141 | } |
142 | Normalise(); | 142 | Normalise(); |
143 | } | 143 | } |
144 | } | 144 | } |
145 | } \ No newline at end of file | 145 | } \ No newline at end of file |