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/*
* 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 OpenSimulator 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.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;
namespace OpenSim.Region.CoreModules.World.Terrain.PaintBrushes
{
public class RevertSphere : ITerrainPaintableEffect
{
private readonly ITerrainChannel m_revertmap;
public RevertSphere(ITerrainChannel revertmap)
{
m_revertmap = revertmap;
}
#region ITerrainPaintableEffect Members
public void PaintEffect(ITerrainChannel map, bool[,] mask, double rx, double ry, double rz,
double strength, double duration, int startX, int endX, int startY, int endY)
{
strength = TerrainUtil.MetersToSphericalStrength(strength);
duration = 0.03; //MCP Should be read from ini file
if (duration > 1.0)
duration = 1.0;
if (duration < 0)
return;
int x,y;
for (x = startX; x <= endX; x++)
{
for (y = startY; y < endY; y++)
{
if (!mask[x, y])
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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