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author | Jeff Ames | 2008-03-09 15:08:03 +0000 |
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committer | Jeff Ames | 2008-03-09 15:08:03 +0000 |
commit | 7981c4575058aef220cba059b0e77885ad933a90 (patch) | |
tree | 716dfacbf458d7a95a8fb8fa5d8d68ac4ebfee6f /OpenSim/Region/Environment/Modules/Terrain/PaintBrushes | |
parent | * New terrainmodule paint brush "Olsen Erosion" (diff) | |
download | opensim-SC_OLD-7981c4575058aef220cba059b0e77885ad933a90.zip opensim-SC_OLD-7981c4575058aef220cba059b0e77885ad933a90.tar.gz opensim-SC_OLD-7981c4575058aef220cba059b0e77885ad933a90.tar.bz2 opensim-SC_OLD-7981c4575058aef220cba059b0e77885ad933a90.tar.xz |
Update svn properties.
Diffstat (limited to '')
-rw-r--r-- | OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/OlsenSphere.cs | 446 |
1 files changed, 223 insertions, 223 deletions
diff --git a/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/OlsenSphere.cs b/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/OlsenSphere.cs index 171b710..937309b 100644 --- a/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/OlsenSphere.cs +++ b/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/OlsenSphere.cs | |||
@@ -1,223 +1,223 @@ | |||
1 | /* | 1 | /* |
2 | * Copyright (c) Contributors, http://opensimulator.org/ | 2 | * Copyright (c) Contributors, http://opensimulator.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 | using OpenSim.Region.Environment.Interfaces; | 28 | using OpenSim.Region.Environment.Interfaces; |
29 | using System; | 29 | using System; |
30 | 30 | ||
31 | namespace OpenSim.Region.Environment.Modules.Terrain.PaintBrushes | 31 | namespace OpenSim.Region.Environment.Modules.Terrain.PaintBrushes |
32 | { | 32 | { |
33 | /// <summary> | 33 | /// <summary> |
34 | /// Speed-Optimised Hybrid Erosion Brush | 34 | /// Speed-Optimised Hybrid Erosion Brush |
35 | /// | 35 | /// |
36 | /// As per Jacob Olsen's Paper | 36 | /// As per Jacob Olsen's Paper |
37 | /// http://www.oddlabs.com/download/terrain_generation.pdf | 37 | /// http://www.oddlabs.com/download/terrain_generation.pdf |
38 | /// </summary> | 38 | /// </summary> |
39 | public class OlsenSphere : ITerrainPaintableEffect | 39 | public class OlsenSphere : ITerrainPaintableEffect |
40 | { | 40 | { |
41 | NeighbourSystem type = NeighbourSystem.Moore; // Parameter | 41 | NeighbourSystem type = NeighbourSystem.Moore; // Parameter |
42 | 42 | ||
43 | double nConst = 256.0; | 43 | double nConst = 256.0; |
44 | 44 | ||
45 | #region Supporting Functions | 45 | #region Supporting Functions |
46 | private enum NeighbourSystem | 46 | private enum NeighbourSystem |
47 | { | 47 | { |
48 | Moore, | 48 | Moore, |
49 | VonNeumann | 49 | VonNeumann |
50 | } ; | 50 | } ; |
51 | 51 | ||
52 | private int[] Neighbours(NeighbourSystem type, int index) | 52 | private int[] Neighbours(NeighbourSystem type, int index) |
53 | { | 53 | { |
54 | int[] coord = new int[2]; | 54 | int[] coord = new int[2]; |
55 | 55 | ||
56 | index++; | 56 | index++; |
57 | 57 | ||
58 | switch (type) | 58 | switch (type) |
59 | { | 59 | { |
60 | case NeighbourSystem.Moore: | 60 | case NeighbourSystem.Moore: |
61 | switch (index) | 61 | switch (index) |
62 | { | 62 | { |
63 | case 1: | 63 | case 1: |
64 | coord[0] = -1; | 64 | coord[0] = -1; |
65 | coord[1] = -1; | 65 | coord[1] = -1; |
66 | break; | 66 | break; |
67 | 67 | ||
68 | case 2: | 68 | case 2: |
69 | coord[0] = -0; | 69 | coord[0] = -0; |
70 | coord[1] = -1; | 70 | coord[1] = -1; |
71 | break; | 71 | break; |
72 | 72 | ||
73 | case 3: | 73 | case 3: |
74 | coord[0] = +1; | 74 | coord[0] = +1; |
75 | coord[1] = -1; | 75 | coord[1] = -1; |
76 | break; | 76 | break; |
77 | 77 | ||
78 | case 4: | 78 | case 4: |
79 | coord[0] = -1; | 79 | coord[0] = -1; |
80 | coord[1] = -0; | 80 | coord[1] = -0; |
81 | break; | 81 | break; |
82 | 82 | ||
83 | case 5: | 83 | case 5: |
84 | coord[0] = -0; | 84 | coord[0] = -0; |
85 | coord[1] = -0; | 85 | coord[1] = -0; |
86 | break; | 86 | break; |
87 | 87 | ||
88 | case 6: | 88 | case 6: |
89 | coord[0] = +1; | 89 | coord[0] = +1; |
90 | coord[1] = -0; | 90 | coord[1] = -0; |
91 | break; | 91 | break; |
92 | 92 | ||
93 | case 7: | 93 | case 7: |
94 | coord[0] = -1; | 94 | coord[0] = -1; |
95 | coord[1] = +1; | 95 | coord[1] = +1; |
96 | break; | 96 | break; |
97 | 97 | ||
98 | case 8: | 98 | case 8: |
99 | coord[0] = -0; | 99 | coord[0] = -0; |
100 | coord[1] = +1; | 100 | coord[1] = +1; |
101 | break; | 101 | break; |
102 | 102 | ||
103 | case 9: | 103 | case 9: |
104 | coord[0] = +1; | 104 | coord[0] = +1; |
105 | coord[1] = +1; | 105 | coord[1] = +1; |
106 | break; | 106 | break; |
107 | 107 | ||
108 | default: | 108 | default: |
109 | break; | 109 | break; |
110 | } | 110 | } |
111 | break; | 111 | break; |
112 | 112 | ||
113 | case NeighbourSystem.VonNeumann: | 113 | case NeighbourSystem.VonNeumann: |
114 | switch (index) | 114 | switch (index) |
115 | { | 115 | { |
116 | case 1: | 116 | case 1: |
117 | coord[0] = 0; | 117 | coord[0] = 0; |
118 | coord[1] = -1; | 118 | coord[1] = -1; |
119 | break; | 119 | break; |
120 | 120 | ||
121 | case 2: | 121 | case 2: |
122 | coord[0] = -1; | 122 | coord[0] = -1; |
123 | coord[1] = 0; | 123 | coord[1] = 0; |
124 | break; | 124 | break; |
125 | 125 | ||
126 | case 3: | 126 | case 3: |
127 | coord[0] = +1; | 127 | coord[0] = +1; |
128 | coord[1] = 0; | 128 | coord[1] = 0; |
129 | break; | 129 | break; |
130 | 130 | ||
131 | case 4: | 131 | case 4: |
132 | coord[0] = 0; | 132 | coord[0] = 0; |
133 | coord[1] = +1; | 133 | coord[1] = +1; |
134 | break; | 134 | break; |
135 | 135 | ||
136 | case 5: | 136 | case 5: |
137 | coord[0] = -0; | 137 | coord[0] = -0; |
138 | coord[1] = -0; | 138 | coord[1] = -0; |
139 | break; | 139 | break; |
140 | 140 | ||
141 | default: | 141 | default: |
142 | break; | 142 | break; |
143 | } | 143 | } |
144 | break; | 144 | break; |
145 | } | 145 | } |
146 | 146 | ||
147 | return coord; | 147 | return coord; |
148 | } | 148 | } |
149 | 149 | ||
150 | private double SphericalFactor(double x, double y, double rx, double ry, double size) | 150 | private double SphericalFactor(double x, double y, double rx, double ry, double size) |
151 | { | 151 | { |
152 | double z = size * size - ((x - rx) * (x - rx) + (y - ry) * (y - ry)); | 152 | double z = size * size - ((x - rx) * (x - rx) + (y - ry) * (y - ry)); |
153 | return z; | 153 | return z; |
154 | } | 154 | } |
155 | 155 | ||
156 | #endregion | 156 | #endregion |
157 | 157 | ||
158 | #region ITerrainPaintableEffect Members | 158 | #region ITerrainPaintableEffect Members |
159 | 159 | ||
160 | public void PaintEffect(ITerrainChannel map, double rx, double ry, double strength, double duration) | 160 | public void PaintEffect(ITerrainChannel map, double rx, double ry, double strength, double duration) |
161 | { | 161 | { |
162 | int x, y; | 162 | int x, y; |
163 | 163 | ||
164 | for (x = 0; x < map.Width; x++) | 164 | for (x = 0; x < map.Width; x++) |
165 | { | 165 | { |
166 | for (y = 0; y < map.Height; y++) | 166 | for (y = 0; y < map.Height; y++) |
167 | { | 167 | { |
168 | double z = SphericalFactor(x, y, rx, ry, strength); | 168 | double z = SphericalFactor(x, y, rx, ry, strength); |
169 | 169 | ||
170 | if (z > 0) // add in non-zero amount | 170 | if (z > 0) // add in non-zero amount |
171 | { | 171 | { |
172 | int NEIGHBOUR_ME = 4; | 172 | int NEIGHBOUR_ME = 4; |
173 | int NEIGHBOUR_MAX = type == NeighbourSystem.Moore ? 9 : 5; | 173 | int NEIGHBOUR_MAX = type == NeighbourSystem.Moore ? 9 : 5; |
174 | 174 | ||
175 | double max = Double.MinValue; | 175 | double max = Double.MinValue; |
176 | int loc = 0; | 176 | int loc = 0; |
177 | double cellmax = 0; | 177 | double cellmax = 0; |
178 | 178 | ||
179 | 179 | ||
180 | for (int j = 0; j < NEIGHBOUR_MAX; j++) | 180 | for (int j = 0; j < NEIGHBOUR_MAX; j++) |
181 | { | 181 | { |
182 | if (j != NEIGHBOUR_ME) | 182 | if (j != NEIGHBOUR_ME) |
183 | { | 183 | { |
184 | int[] coords = Neighbours(type, j); | 184 | int[] coords = Neighbours(type, j); |
185 | 185 | ||
186 | coords[0] += x; | 186 | coords[0] += x; |
187 | coords[1] += y; | 187 | coords[1] += y; |
188 | 188 | ||
189 | if (coords[0] > map.Width - 1) | 189 | if (coords[0] > map.Width - 1) |
190 | continue; | 190 | continue; |
191 | if (coords[1] > map.Height - 1) | 191 | if (coords[1] > map.Height - 1) |
192 | continue; | 192 | continue; |
193 | if (coords[0] < 0) | 193 | if (coords[0] < 0) |
194 | continue; | 194 | continue; |
195 | if (coords[1] < 0) | 195 | if (coords[1] < 0) |
196 | continue; | 196 | continue; |
197 | 197 | ||
198 | cellmax = map[x, y] - map[coords[0], coords[1]]; | 198 | cellmax = map[x, y] - map[coords[0], coords[1]]; |
199 | if (cellmax > max) | 199 | if (cellmax > max) |
200 | { | 200 | { |
201 | max = cellmax; | 201 | max = cellmax; |
202 | loc = j; | 202 | loc = j; |
203 | } | 203 | } |
204 | } | 204 | } |
205 | } | 205 | } |
206 | 206 | ||
207 | double T = nConst / ((map.Width + map.Height) / 2); | 207 | double T = nConst / ((map.Width + map.Height) / 2); |
208 | // Apply results | 208 | // Apply results |
209 | if (0 < max && max <= T) | 209 | if (0 < max && max <= T) |
210 | { | 210 | { |
211 | int[] maxCoords = Neighbours(type, loc); | 211 | int[] maxCoords = Neighbours(type, loc); |
212 | double heightDelta = 0.5 * max * z * duration; | 212 | double heightDelta = 0.5 * max * z * duration; |
213 | map[x, y] -= heightDelta; | 213 | map[x, y] -= heightDelta; |
214 | map[x + maxCoords[0], y + maxCoords[1]] += heightDelta; | 214 | map[x + maxCoords[0], y + maxCoords[1]] += heightDelta; |
215 | } | 215 | } |
216 | } | 216 | } |
217 | } | 217 | } |
218 | } | 218 | } |
219 | } | 219 | } |
220 | 220 | ||
221 | #endregion | 221 | #endregion |
222 | } | 222 | } |
223 | } | 223 | } |