94 lines
3.6 KiB
C#
94 lines
3.6 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 System;
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using OpenSim.Region.CoreModules.World.Terrain;
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using OpenSim.Region.Framework.Interfaces;
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namespace OpenSim.Region.CoreModules.World.Terrain.Modifiers
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{
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public class MaxModifier : TerrainModifier
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{
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public MaxModifier(ITerrainModule module) : base(module)
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{
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}
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public override string ModifyTerrain(ITerrainChannel map, string[] args)
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{
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string val;
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string result;
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if (args.Length < 3)
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{
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result = "Usage: " + GetUsage();
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}
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else
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{
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TerrainModifierData data;
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result = this.parseParameters(args, out data);
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// Context-specific validation
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if (result == String.Empty)
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{
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if (data.shape == String.Empty)
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{
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data.shape = "rectangle";
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data.x0 = 0;
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data.y0 = 0;
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data.dx = map.Width;
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data.dy = map.Height;
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}
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}
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// if it's all good, then do the work
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if (result == String.Empty)
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{
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this.applyModification(map, data);
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}
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}
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return result;
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}
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public override string GetUsage()
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{
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string val = "max <height> [ -rec=x1,y1,dx[,dy] | -ell=x0,y0,rx[,ry] ] [-taper=<height2>]"
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+ "\nEnsures that all points within the specified range are no higher than the specified value.";
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return val;
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}
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public override double operate(double[,] map, TerrainModifierData data, int x, int y)
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{
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double factor = this.computeBevel(data, x, y);
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double result = Math.Min(data.elevation - (data.elevation - data.bevelevation) * factor, map[x, y]);
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return result;
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}
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}
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}
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