diff options
author | Adam Frisby | 2008-04-30 21:22:29 +0000 |
---|---|---|
committer | Adam Frisby | 2008-04-30 21:22:29 +0000 |
commit | 4a8c1e4393ac64c84b03aeb16bacb9ddd0a2fae6 (patch) | |
tree | 49dde0575502e89aeed428b4190c68306e929b69 /OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes | |
parent | * Previous commit managed to miss some files despite me hitting 'Select all'. (diff) | |
download | opensim-SC_OLD-4a8c1e4393ac64c84b03aeb16bacb9ddd0a2fae6.zip opensim-SC_OLD-4a8c1e4393ac64c84b03aeb16bacb9ddd0a2fae6.tar.gz opensim-SC_OLD-4a8c1e4393ac64c84b03aeb16bacb9ddd0a2fae6.tar.bz2 opensim-SC_OLD-4a8c1e4393ac64c84b03aeb16bacb9ddd0a2fae6.tar.xz |
* Commiting a bunch of missed files.
Diffstat (limited to 'OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes')
9 files changed, 1250 insertions, 0 deletions
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 | |||
28 | using System; | ||
29 | using OpenSim.Region.Environment.Interfaces; | ||
30 | |||
31 | namespace 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 | |||
28 | using OpenSim.Region.Environment.Interfaces; | ||
29 | |||
30 | namespace 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 | |||
28 | using System; | ||
29 | using OpenSim.Region.Environment.Interfaces; | ||
30 | |||
31 | namespace 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 | |||
28 | using System; | ||
29 | using OpenSim.Framework; | ||
30 | using OpenSim.Region.Environment.Interfaces; | ||
31 | |||
32 | namespace 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 | |||
28 | using System; | ||
29 | using OpenSim.Region.Environment.Interfaces; | ||
30 | |||
31 | namespace 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 | |||
28 | using System; | ||
29 | using OpenSim.Region.Environment.Interfaces; | ||
30 | |||
31 | namespace 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 | |||
28 | using System; | ||
29 | using OpenSim.Region.Environment.Interfaces; | ||
30 | |||
31 | namespace 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 | |||
28 | using OpenSim.Region.Environment.Interfaces; | ||
29 | |||
30 | namespace 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 | |||
28 | using OpenSim.Region.Environment.Interfaces; | ||
29 | |||
30 | namespace 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 | ||