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authorAdam Frisby2008-04-30 21:22:29 +0000
committerAdam Frisby2008-04-30 21:22:29 +0000
commit4a8c1e4393ac64c84b03aeb16bacb9ddd0a2fae6 (patch)
tree49dde0575502e89aeed428b4190c68306e929b69 /OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes
parent* Previous commit managed to miss some files despite me hitting 'Select all'. (diff)
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* Commiting a bunch of missed files.
Diffstat (limited to '')
-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
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
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
generated by cgit v1.1 at 2024-07-05 14:03:28 +0000