101 lines
4.0 KiB
C#
101 lines
4.0 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using OpenSim.Region.Framework.Interfaces;
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using OpenSim.Region.Framework.Scenes;
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namespace OpenSim.Region.CoreModules.World.Terrain.PaintBrushes
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{
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public class SmoothSphere : ITerrainPaintableEffect
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{
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#region ITerrainPaintableEffect Members
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public void PaintEffect(ITerrainChannel map, bool[,] mask, double rx, double ry, double rz, double strength, double duration)
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{
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strength = TerrainUtil.MetersToSphericalStrength(strength);
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int x, y;
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double[,] tweak = new double[map.Width,map.Height];
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double area = strength;
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double step = strength / 4.0;
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duration = 0.03; //MCP Should be read from ini file
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// compute delta map
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for (x = 0; x < map.Width; x++)
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{
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for (y = 0; y < map.Height; y++)
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{
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double z = TerrainUtil.SphericalFactor(x, y, rx, ry, strength);
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if (z > 0) // add in non-zero amount
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{
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double average = 0.0;
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int avgsteps = 0;
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double n;
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for (n = 0.0 - area; n < area; n += step)
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{
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double l;
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for (l = 0.0 - area; l < area; l += step)
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{
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avgsteps++;
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average += TerrainUtil.GetBilinearInterpolate(x + n, y + l, map);
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}
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}
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tweak[x, y] = average / avgsteps;
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}
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}
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}
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// blend in map
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for (x = 0; x < map.Width; x++)
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{
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for (y = 0; y < map.Height; y++)
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{
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if (!mask[x,y])
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continue;
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double z = TerrainUtil.SphericalFactor(x, y, rx, ry, strength);
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if (z > 0) // add in non-zero amount
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{
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double da = z;
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double a = (map[x, y] - tweak[x, y]) * da;
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double newz = map[x, y] - (a * duration);
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if (newz > 0.0)
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map[x, y] = newz;
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}
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}
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}
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}
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#endregion
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}
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}
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