opensim-development – Blame information for rev 1

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1 eva 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 OpenSimulator 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 }