clockwerk-opensim – Blame information for rev 1
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| 1 | vero | 1 | /* |
| 2 | * Copyright (c) Contributors, http://opensimulator.org/ |
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| 3 | * See CONTRIBUTORS.TXT for a full list of copyright holders. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions are met: |
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| 7 | * * Redistributions of source code must retain the above copyright |
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| 8 | * notice, this list of conditions and the following disclaimer. |
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| 9 | * * Redistributions in binary form must reproduce the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer in the |
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| 11 | * documentation and/or other materials provided with the distribution. |
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| 12 | * * Neither the name of the OpenSimulator Project nor the |
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| 13 | * names of its contributors may be used to endorse or promote products |
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| 14 | * derived from this software without specific prior written permission. |
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| 15 | * |
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| 16 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY |
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| 17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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| 18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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| 19 | * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY |
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| 20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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| 21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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| 22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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| 23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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| 25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 26 | */ |
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| 27 | using System; |
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| 28 | using OpenSim.Region.CoreModules.World.Terrain.PaintBrushes; |
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| 29 | using OpenSim.Region.Framework.Interfaces; |
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| 30 | using OpenSim.Region.Framework.Scenes; |
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| 31 | using log4net; |
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| 32 | using System.Reflection; |
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| 33 | |||
| 34 | namespace OpenSim.Region.CoreModules.World.Terrain.Effects |
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| 35 | { |
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| 36 | internal class CookieCutter : ITerrainEffect |
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| 37 | { |
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| 38 | private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); |
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| 39 | |||
| 40 | #region ITerrainEffect Members |
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| 41 | |||
| 42 | public void RunEffect(ITerrainChannel map) |
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| 43 | { |
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| 44 | ITerrainPaintableEffect eroder = new WeatherSphere(); |
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| 45 | |||
| 46 | bool[,] cliffMask = new bool[map.Width,map.Height]; |
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| 47 | bool[,] channelMask = new bool[map.Width,map.Height]; |
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| 48 | bool[,] smoothMask = new bool[map.Width,map.Height]; |
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| 49 | bool[,] allowMask = new bool[map.Width,map.Height]; |
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| 50 | |||
| 51 | m_log.Info("S1"); |
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| 52 | |||
| 53 | // Step one, generate rough mask |
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| 54 | int x, y; |
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| 55 | for (x = 0; x < map.Width; x++) |
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| 56 | { |
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| 57 | for (y = 0; y < map.Height; y++) |
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| 58 | { |
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| 59 | m_log.Info("."); |
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| 60 | smoothMask[x, y] = true; |
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| 61 | allowMask[x,y] = true; |
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| 62 | |||
| 63 | // Start underwater |
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| 64 | map[x, y] = TerrainUtil.PerlinNoise2D(x, y, 3, 0.25) * 5; |
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| 65 | // Add a little height. (terrain should now be above water, mostly.) |
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| 66 | map[x, y] += 20; |
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| 67 | |||
| 68 | const int channelsX = 4; |
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| 69 | int channelWidth = (map.Width / channelsX / 4); |
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| 70 | const int channelsY = 4; |
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| 71 | int channelHeight = (map.Height / channelsY / 4); |
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| 72 | |||
| 73 | SetLowerChannel(map, cliffMask, channelMask, x, y, channelsX, channelWidth, map.Width, x); |
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| 74 | SetLowerChannel(map, cliffMask, channelMask, x, y, channelsY, channelHeight, map.Height, y); |
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| 75 | } |
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| 76 | } |
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| 77 | |||
| 78 | m_log.Info("S2"); |
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| 79 | //smooth.FloodEffect(map, smoothMask, 4.0); |
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| 80 | |||
| 81 | m_log.Info("S3"); |
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| 82 | for (x = 0; x < map.Width; x++) |
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| 83 | { |
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| 84 | for (y = 0; y < map.Height; y++) |
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| 85 | { |
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| 86 | if (cliffMask[x, y]) |
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| 87 | eroder.PaintEffect(map, allowMask, x, y, -1, 4, 0.1); |
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| 88 | } |
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| 89 | } |
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| 90 | |||
| 91 | for (x = 0; x < map.Width; x += 2) |
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| 92 | { |
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| 93 | for (y = 0; y < map.Height; y += 2) |
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| 94 | { |
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| 95 | if (map[x, y] < 0.1) |
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| 96 | map[x, y] = 0.1; |
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| 97 | if (map[x, y] > 256) |
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| 98 | map[x, y] = 256; |
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| 99 | } |
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| 100 | } |
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| 101 | //smooth.FloodEffect(map, smoothMask, 4.0); |
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| 102 | } |
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| 103 | |||
| 104 | #endregion |
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| 105 | |||
| 106 | private static void SetLowerChannel(ITerrainChannel map, bool[,] cliffMask, bool[,] channelMask, int x, int y, int numChannels, int channelWidth, |
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| 107 | int mapSize, int rp) |
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| 108 | { |
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| 109 | for (int i = 0; i < numChannels; i++) |
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| 110 | { |
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| 111 | double distanceToLine = Math.Abs(rp - ((mapSize / numChannels) * i)); |
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| 112 | |||
| 113 | if (distanceToLine < channelWidth) |
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| 114 | { |
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| 115 | if (channelMask[x, y]) |
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| 116 | return; |
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| 117 | |||
| 118 | // Remove channels |
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| 119 | map[x, y] -= 10; |
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| 120 | channelMask[x, y] = true; |
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| 121 | } |
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| 122 | if (distanceToLine < 1) |
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| 123 | { |
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| 124 | cliffMask[x, y] = true; |
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| 125 | } |
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| 126 | } |
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| 127 | } |
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| 128 | } |
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| 129 | } |