diff options
Diffstat (limited to 'OpenSim/Region/CoreModules/World/Terrain/PaintBrushes/LowerSphere.cs')
-rw-r--r-- | OpenSim/Region/CoreModules/World/Terrain/PaintBrushes/LowerSphere.cs | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/OpenSim/Region/CoreModules/World/Terrain/PaintBrushes/LowerSphere.cs b/OpenSim/Region/CoreModules/World/Terrain/PaintBrushes/LowerSphere.cs new file mode 100644 index 0000000..8c40088 --- /dev/null +++ b/OpenSim/Region/CoreModules/World/Terrain/PaintBrushes/LowerSphere.cs | |||
@@ -0,0 +1,84 @@ | |||
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.Framework.Interfaces; | ||
30 | |||
31 | namespace OpenSim.Region.CoreModules.World.Terrain.PaintBrushes | ||
32 | { | ||
33 | public class LowerSphere : ITerrainPaintableEffect | ||
34 | { | ||
35 | #region ITerrainPaintableEffect Members | ||
36 | |||
37 | public void PaintEffect(ITerrainChannel map, bool[,] mask, double rx, double ry, double rz, double strength, double duration) | ||
38 | { | ||
39 | int s = (int) (Math.Pow(2, strength) + 0.5); | ||
40 | |||
41 | int x; | ||
42 | int xFrom = (int)(rx-s+0.5); | ||
43 | int xTo = (int)(rx+s+0.5) + 1; | ||
44 | int yFrom = (int)(ry-s+0.5); | ||
45 | int yTo = (int)(ry+s+0.5) + 1; | ||
46 | |||
47 | if (xFrom < 0) | ||
48 | xFrom = 0; | ||
49 | |||
50 | if (yFrom < 0) | ||
51 | yFrom = 0; | ||
52 | |||
53 | if (xTo > map.Width) | ||
54 | xTo = map.Width; | ||
55 | |||
56 | if (yTo > map.Width) | ||
57 | yTo = map.Width; | ||
58 | |||
59 | for (x = xFrom; x < xTo; x++) | ||
60 | { | ||
61 | int y; | ||
62 | for (y = yFrom; y < yTo; y++) | ||
63 | { | ||
64 | if (!mask[x,y]) | ||
65 | continue; | ||
66 | |||
67 | // Calculate a cos-sphere and add it to the heighmap | ||
68 | double r = Math.Sqrt((x-rx) * (x-rx) + ((y-ry) * (y-ry))); | ||
69 | double z = Math.Cos(r * Math.PI / (s * 2)); | ||
70 | if (z > 0.0) | ||
71 | { | ||
72 | double newz = map[x, y] - z * duration; | ||
73 | if (newz < 0.0) | ||
74 | map[x, y] = 0.0; | ||
75 | else | ||
76 | map[x, y] = newz; | ||
77 | } | ||
78 | } | ||
79 | } | ||
80 | |||
81 | } | ||
82 | #endregion | ||
83 | } | ||
84 | } | ||