From 7981c4575058aef220cba059b0e77885ad933a90 Mon Sep 17 00:00:00 2001
From: Jeff Ames
Date: Sun, 9 Mar 2008 15:08:03 +0000
Subject: Update svn properties.
---
.../Modules/Terrain/PaintBrushes/OlsenSphere.cs | 446 ++++++++++-----------
1 file changed, 223 insertions(+), 223 deletions(-)
(limited to 'OpenSim')
diff --git a/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/OlsenSphere.cs b/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/OlsenSphere.cs
index 171b710..937309b 100644
--- a/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/OlsenSphere.cs
+++ b/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/OlsenSphere.cs
@@ -1,223 +1,223 @@
-/*
-* Copyright (c) Contributors, http://opensimulator.org/
-* See CONTRIBUTORS.TXT for a full list of copyright holders.
-*
-* Redistribution and use in source and binary forms, with or without
-* modification, are permitted provided that the following conditions are met:
-* * Redistributions of source code must retain the above copyright
-* notice, this list of conditions and the following disclaimer.
-* * Redistributions in binary form must reproduce the above copyright
-* notice, this list of conditions and the following disclaimer in the
-* documentation and/or other materials provided with the distribution.
-* * Neither the name of the OpenSim Project nor the
-* names of its contributors may be used to endorse or promote products
-* derived from this software without specific prior written permission.
-*
-* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
-* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
-* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*
-*/
-using OpenSim.Region.Environment.Interfaces;
-using System;
-
-namespace OpenSim.Region.Environment.Modules.Terrain.PaintBrushes
-{
- ///
- /// Speed-Optimised Hybrid Erosion Brush
- ///
- /// As per Jacob Olsen's Paper
- /// http://www.oddlabs.com/download/terrain_generation.pdf
- ///
- public class OlsenSphere : ITerrainPaintableEffect
- {
- NeighbourSystem type = NeighbourSystem.Moore; // Parameter
-
- double nConst = 256.0;
-
- #region Supporting Functions
- private enum NeighbourSystem
- {
- Moore,
- VonNeumann
- } ;
-
- private int[] Neighbours(NeighbourSystem type, int index)
- {
- int[] coord = new int[2];
-
- index++;
-
- switch (type)
- {
- case NeighbourSystem.Moore:
- switch (index)
- {
- case 1:
- coord[0] = -1;
- coord[1] = -1;
- break;
-
- case 2:
- coord[0] = -0;
- coord[1] = -1;
- break;
-
- case 3:
- coord[0] = +1;
- coord[1] = -1;
- break;
-
- case 4:
- coord[0] = -1;
- coord[1] = -0;
- break;
-
- case 5:
- coord[0] = -0;
- coord[1] = -0;
- break;
-
- case 6:
- coord[0] = +1;
- coord[1] = -0;
- break;
-
- case 7:
- coord[0] = -1;
- coord[1] = +1;
- break;
-
- case 8:
- coord[0] = -0;
- coord[1] = +1;
- break;
-
- case 9:
- coord[0] = +1;
- coord[1] = +1;
- break;
-
- default:
- break;
- }
- break;
-
- case NeighbourSystem.VonNeumann:
- switch (index)
- {
- case 1:
- coord[0] = 0;
- coord[1] = -1;
- break;
-
- case 2:
- coord[0] = -1;
- coord[1] = 0;
- break;
-
- case 3:
- coord[0] = +1;
- coord[1] = 0;
- break;
-
- case 4:
- coord[0] = 0;
- coord[1] = +1;
- break;
-
- case 5:
- coord[0] = -0;
- coord[1] = -0;
- break;
-
- default:
- break;
- }
- break;
- }
-
- return coord;
- }
-
- private double SphericalFactor(double x, double y, double rx, double ry, double size)
- {
- double z = size * size - ((x - rx) * (x - rx) + (y - ry) * (y - ry));
- return z;
- }
-
- #endregion
-
- #region ITerrainPaintableEffect Members
-
- public void PaintEffect(ITerrainChannel map, double rx, double ry, double strength, double duration)
- {
- int x, y;
-
- for (x = 0; x < map.Width; x++)
- {
- for (y = 0; y < map.Height; y++)
- {
- double z = SphericalFactor(x, y, rx, ry, strength);
-
- if (z > 0) // add in non-zero amount
- {
- int NEIGHBOUR_ME = 4;
- int NEIGHBOUR_MAX = type == NeighbourSystem.Moore ? 9 : 5;
-
- double max = Double.MinValue;
- int loc = 0;
- double cellmax = 0;
-
-
- for (int j = 0; j < NEIGHBOUR_MAX; j++)
- {
- if (j != NEIGHBOUR_ME)
- {
- int[] coords = Neighbours(type, j);
-
- coords[0] += x;
- coords[1] += y;
-
- if (coords[0] > map.Width - 1)
- continue;
- if (coords[1] > map.Height - 1)
- continue;
- if (coords[0] < 0)
- continue;
- if (coords[1] < 0)
- continue;
-
- cellmax = map[x, y] - map[coords[0], coords[1]];
- if (cellmax > max)
- {
- max = cellmax;
- loc = j;
- }
- }
- }
-
- double T = nConst / ((map.Width + map.Height) / 2);
- // Apply results
- if (0 < max && max <= T)
- {
- int[] maxCoords = Neighbours(type, loc);
- double heightDelta = 0.5 * max * z * duration;
- map[x, y] -= heightDelta;
- map[x + maxCoords[0], y + maxCoords[1]] += heightDelta;
- }
- }
- }
- }
- }
-
- #endregion
- }
-}
+/*
+* Copyright (c) Contributors, http://opensimulator.org/
+* See CONTRIBUTORS.TXT for a full list of copyright holders.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+* * Redistributions of source code must retain the above copyright
+* notice, this list of conditions and the following disclaimer.
+* * Redistributions in binary form must reproduce the above copyright
+* notice, this list of conditions and the following disclaimer in the
+* documentation and/or other materials provided with the distribution.
+* * Neither the name of the OpenSim Project nor the
+* names of its contributors may be used to endorse or promote products
+* derived from this software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+*/
+using OpenSim.Region.Environment.Interfaces;
+using System;
+
+namespace OpenSim.Region.Environment.Modules.Terrain.PaintBrushes
+{
+ ///
+ /// Speed-Optimised Hybrid Erosion Brush
+ ///
+ /// As per Jacob Olsen's Paper
+ /// http://www.oddlabs.com/download/terrain_generation.pdf
+ ///
+ public class OlsenSphere : ITerrainPaintableEffect
+ {
+ NeighbourSystem type = NeighbourSystem.Moore; // Parameter
+
+ double nConst = 256.0;
+
+ #region Supporting Functions
+ private enum NeighbourSystem
+ {
+ Moore,
+ VonNeumann
+ } ;
+
+ private int[] Neighbours(NeighbourSystem type, int index)
+ {
+ int[] coord = new int[2];
+
+ index++;
+
+ switch (type)
+ {
+ case NeighbourSystem.Moore:
+ switch (index)
+ {
+ case 1:
+ coord[0] = -1;
+ coord[1] = -1;
+ break;
+
+ case 2:
+ coord[0] = -0;
+ coord[1] = -1;
+ break;
+
+ case 3:
+ coord[0] = +1;
+ coord[1] = -1;
+ break;
+
+ case 4:
+ coord[0] = -1;
+ coord[1] = -0;
+ break;
+
+ case 5:
+ coord[0] = -0;
+ coord[1] = -0;
+ break;
+
+ case 6:
+ coord[0] = +1;
+ coord[1] = -0;
+ break;
+
+ case 7:
+ coord[0] = -1;
+ coord[1] = +1;
+ break;
+
+ case 8:
+ coord[0] = -0;
+ coord[1] = +1;
+ break;
+
+ case 9:
+ coord[0] = +1;
+ coord[1] = +1;
+ break;
+
+ default:
+ break;
+ }
+ break;
+
+ case NeighbourSystem.VonNeumann:
+ switch (index)
+ {
+ case 1:
+ coord[0] = 0;
+ coord[1] = -1;
+ break;
+
+ case 2:
+ coord[0] = -1;
+ coord[1] = 0;
+ break;
+
+ case 3:
+ coord[0] = +1;
+ coord[1] = 0;
+ break;
+
+ case 4:
+ coord[0] = 0;
+ coord[1] = +1;
+ break;
+
+ case 5:
+ coord[0] = -0;
+ coord[1] = -0;
+ break;
+
+ default:
+ break;
+ }
+ break;
+ }
+
+ return coord;
+ }
+
+ private double SphericalFactor(double x, double y, double rx, double ry, double size)
+ {
+ double z = size * size - ((x - rx) * (x - rx) + (y - ry) * (y - ry));
+ return z;
+ }
+
+ #endregion
+
+ #region ITerrainPaintableEffect Members
+
+ public void PaintEffect(ITerrainChannel map, double rx, double ry, double strength, double duration)
+ {
+ int x, y;
+
+ for (x = 0; x < map.Width; x++)
+ {
+ for (y = 0; y < map.Height; y++)
+ {
+ double z = SphericalFactor(x, y, rx, ry, strength);
+
+ if (z > 0) // add in non-zero amount
+ {
+ int NEIGHBOUR_ME = 4;
+ int NEIGHBOUR_MAX = type == NeighbourSystem.Moore ? 9 : 5;
+
+ double max = Double.MinValue;
+ int loc = 0;
+ double cellmax = 0;
+
+
+ for (int j = 0; j < NEIGHBOUR_MAX; j++)
+ {
+ if (j != NEIGHBOUR_ME)
+ {
+ int[] coords = Neighbours(type, j);
+
+ coords[0] += x;
+ coords[1] += y;
+
+ if (coords[0] > map.Width - 1)
+ continue;
+ if (coords[1] > map.Height - 1)
+ continue;
+ if (coords[0] < 0)
+ continue;
+ if (coords[1] < 0)
+ continue;
+
+ cellmax = map[x, y] - map[coords[0], coords[1]];
+ if (cellmax > max)
+ {
+ max = cellmax;
+ loc = j;
+ }
+ }
+ }
+
+ double T = nConst / ((map.Width + map.Height) / 2);
+ // Apply results
+ if (0 < max && max <= T)
+ {
+ int[] maxCoords = Neighbours(type, loc);
+ double heightDelta = 0.5 * max * z * duration;
+ map[x, y] -= heightDelta;
+ map[x + maxCoords[0], y + maxCoords[1]] += heightDelta;
+ }
+ }
+ }
+ }
+ }
+
+ #endregion
+ }
+}
--
cgit v1.1