* Commiting a bunch of missed files.

1 files changed, 82 insertions, 0 deletions

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 @@
+/*

+ * 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 System;

+using OpenSim.Region.Environment.Interfaces;

+

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

+{

+    public class RevertSphere : ITerrainPaintableEffect

+    {

+        private ITerrainChannel m_revertmap;

+

+        public RevertSphere(ITerrainChannel revertmap)

+        {

+            m_revertmap = revertmap;

+        }

+

+        #region ITerrainPaintableEffect Members

+

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

+        {

+            strength = TerrainUtil.MetersToSphericalStrength(strength);

+

+            if (duration > 1.0)

+                duration = 1.0;

+            if (duration < 0)

+                return;

+

+            int x, y;

+            for (x = 0; x < map.Width; x++)

+            {

+                // Skip everything unlikely to be affected

+                if (Math.Abs(x - rx) > strength * 1.1)

+                    continue;

+

+                for (y = 0; y < map.Height; y++)

+                {

+                    // Skip everything unlikely to be affected

+                    if (Math.Abs(y - ry) > strength * 1.1)

+                        continue;

+

+                    // Calculate a sphere and add it to the heighmap

+                    double z = strength;

+                    z *= z;

+                    z -= ((x - rx) * (x - rx)) + ((y - ry) * (y - ry));

+

+                    if (z > 0.0)

+                    {

+                        z *= duration;

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

+                    }

+                }

+            }

+        }

+

+        #endregion

+    }

+}
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