* Removed and sorted using clauses in a number of files.

* Cleaned up ITerrainChannel
* Implemented Raise, Lower, Smooth, Flatten, Noise Terrain Paint Brushes
* Implemented Raise, Lower, Smooth, Flatten, Noise Terrain Fill Brushes
* Implemented Export functionality for RAW32 terrain loader
* Implemented Import/Export for SLRAW terrain loader
* Implemented Export for JPEG terrain loader

1 files changed, 125 insertions, 0 deletions

diff --git a/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/FlattenSphere.cs b/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/FlattenSphere.cs
new file mode 100644
index 0000000..d2cf1bc
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/FlattenSphere.cs
@@ -0,0 +1,125 @@
+/*

+* 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;

+

+namespace OpenSim.Region.Environment.Modules.Terrain.PaintBrushes

+{

+    public class FlattenSphere : ITerrainPaintableEffect

+    {

+        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;

+        }

+

+        private double GetBilinearInterpolate(double x, double y, ITerrainChannel map)

+        {

+            int w = map.Width;

+            int h = map.Height;

+

+            if (x > w - 2.0)

+                x = w - 2.0;

+            if (y > h - 2.0)

+                y = h - 2.0;

+            if (x < 0.0)

+                x = 0.0;

+            if (y < 0.0)

+                y = 0.0;

+

+            int stepSize = 1;

+            double h00 = map[(int)x, (int)y];

+            double h10 = map[(int)x + stepSize, (int)y];

+            double h01 = map[(int)x, (int)y + stepSize];

+            double h11 = map[(int)x + stepSize, (int)y + stepSize];

+            double h1 = h00;

+            double h2 = h10;

+            double h3 = h01;

+            double h4 = h11;

+            double a00 = h1;

+            double a10 = h2 - h1;

+            double a01 = h3 - h1;

+            double a11 = h1 - h2 - h3 + h4;

+            double partialx = x - (int)x;

+            double partialz = y - (int)y;

+            double hi = a00 + (a10 * partialx) + (a01 * partialz) + (a11 * partialx * partialz);

+            return hi;

+        }

+

+        #region ITerrainPaintableEffect Members

+

+        public void PaintEffect(ITerrainChannel map, double rx, double ry, double strength)

+        {

+            int x, y;

+            double[,] tweak = new double[map.Width, map.Height];

+

+            double n, l;

+            double area = strength;

+            double step = strength / 4.0;

+

+            double sum = 0.0;

+            double step2 = 0.0;

+            double avg = 0.0;

+

+            // compute delta map 

+            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 

+                    {

+                        sum += map[x, y] * z;

+                        step2 += z;

+                    }

+                }

+            }

+

+            avg = sum / step2;

+

+            // blend in map 

+            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 

+                    {

+                        if (z > 1.0)

+                            z = 1.0;

+

+                        map[x, y] = (map[x, y] * (1.0 - z)) + (avg * z);

+                    }

+                }

+            }

+        }

+

+        #endregion

+    }

+}
\ No newline at end of file