From c6bc1d28ecce5d2f7da57c396e0b964b3a750719 Mon Sep 17 00:00:00 2001
From: Justin Clark-Casey (justincc)
Date: Fri, 30 Jul 2010 20:34:14 +0100
Subject: move ChannelDigger from its own project into the main terrain module
 with the rest of the effects

---
 .../World/Terrain/Effects/ChannelDigger.cs         | 107 +++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 OpenSim/Region/CoreModules/World/Terrain/Effects/ChannelDigger.cs

(limited to 'OpenSim/Region/CoreModules/World/Terrain/Effects/ChannelDigger.cs')

diff --git a/OpenSim/Region/CoreModules/World/Terrain/Effects/ChannelDigger.cs b/OpenSim/Region/CoreModules/World/Terrain/Effects/ChannelDigger.cs
new file mode 100644
index 0000000..36917e9
--- /dev/null
+++ b/OpenSim/Region/CoreModules/World/Terrain/Effects/ChannelDigger.cs
@@ -0,0 +1,107 @@
+/*
+ * 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 System;
+using OpenSim.Region.CoreModules.World.Terrain;
+using OpenSim.Region.CoreModules.World.Terrain.FloodBrushes;
+using OpenSim.Region.Framework.Interfaces;
+
+namespace OpenSim.Region.CoreModules.World.Terrain.Effects
+{
+    public class ChannelDigger : ITerrainEffect
+    {
+        private readonly int num_h = 4;
+        private readonly int num_w = 4;
+
+        private readonly ITerrainFloodEffect raiseFunction = new RaiseArea();
+        private readonly ITerrainFloodEffect smoothFunction = new SmoothArea();
+
+        #region ITerrainEffect Members
+
+        public void RunEffect(ITerrainChannel map)
+        {
+            FillMap(map, 15);
+            BuildTiles(map, 7);
+            SmoothMap(map, 3);
+        }
+
+        #endregion
+
+        private void SmoothMap(ITerrainChannel map, int rounds)
+        {
+            Boolean[,] bitmap = new bool[map.Width,map.Height];
+            for (int x = 0; x < map.Width; x++)
+            {
+                for (int y = 0; y < map.Height; y++)
+                {
+                    bitmap[x, y] = true;
+                }
+            }
+
+            for (int i = 0; i < rounds; i++)
+            {
+                smoothFunction.FloodEffect(map, bitmap, 1.0);
+            }
+        }
+
+        private void FillMap(ITerrainChannel map, double val)
+        {
+            for (int x = 0; x < map.Width; x++)
+                for (int y = 0; y < map.Height; y++)
+                    map[x, y] = val;
+        }
+
+        private void BuildTiles(ITerrainChannel map, double height)
+        {
+            int channelWidth = (int) Math.Floor((map.Width / num_w) * 0.8);
+            int channelHeight = (int) Math.Floor((map.Height / num_h) * 0.8);
+            int channelXOffset = (map.Width / num_w) - channelWidth;
+            int channelYOffset = (map.Height / num_h) - channelHeight;
+
+            for (int x = 0; x < num_w; x++)
+            {
+                for (int y = 0; y < num_h; y++)
+                {
+                    int xoff = ((channelXOffset + channelWidth) * x) + (channelXOffset / 2);
+                    int yoff = ((channelYOffset + channelHeight) * y) + (channelYOffset / 2);
+
+                    Boolean[,] bitmap = new bool[map.Width,map.Height];
+
+                    for (int dx = 0; dx < channelWidth; dx++)
+                    {
+                        for (int dy = 0; dy < channelHeight; dy++)
+                        {
+                            bitmap[dx + xoff, dy + yoff] = true;
+                        }
+                    }
+
+                    raiseFunction.FloodEffect(map, bitmap, height);
+                }
+            }
+        }
+    }
+}
-- 
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