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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;
- namespace OpenSim.Region.CoreModules.World.Terrain.FloodBrushes
- {
- public class SmoothArea : ITerrainFloodEffect
- {
- #region ITerrainFloodEffect Members
- public void FloodEffect(ITerrainChannel map, bool[,] fillArea, float height, float strength,
- int startX, int endX, int startY, int endY)
- {
- int sx = (endX - startX + 1) / 2;
- if (sx > 4)
- sx = 4;
- int sy = (endY - startY + 1) / 2;
- if (sy > 4)
- sy = 4;
- strength *= 0.002f;
- if(strength > 1.0f)
- strength = 1.0f;
- float[,] tweak = new float[endX - startX + 1, endY - startY + 1];
- for (int x = startX, i = 0; x <= endX; x++, i++)
- {
- for (int y = startY, j = 0; y <= endY; y++, j++)
- {
- if (!fillArea[x, y])
- continue;
- float average = 0f;
- int avgsteps = 0;
- for (int n = x - sx; n <= x + sx; ++n)
- {
- if (n >= 0 && n < map.Width)
- {
- for (int l = y - sy; l < y + sy; ++l)
- {
- if (l >= 0 && l < map.Height)
- {
- avgsteps++;
- average += map[n, l];
- }
- }
- }
- }
- tweak[i, j] = average / avgsteps;
- }
- }
- for (int x = startX, i = 0; x <= endX; x++, i++)
- {
- for (int y = startY, j = 0; y <= endY; y++, j++)
- {
- float ty = tweak[i, j];
- if (ty == 0.0)
- continue;
- map[x, y] = (1.0f - strength) * map[x, y] + strength * ty;
- }
- }
- }
- }
- #endregion
- }
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