From c8eb8d66fdedebbbb82348a9a60cd47fb0955305 Mon Sep 17 00:00:00 2001
From: Adam Frisby
Date: Tue, 22 Apr 2008 07:53:32 +0000
Subject: * Committing new terrain plugin effects system. Loads DLLs in
 /bin/Terrain/ as terrain module extensions. Committing sample plugin library.
 * prebuild.xml changes.

---
 .../DefaultEffects/Effects/ChannelDigger.cs        | 80 ++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 OpenSim/Region/Modules/Terrain/Extensions/DefaultEffects/Effects/ChannelDigger.cs

(limited to 'OpenSim/Region/Modules')

diff --git a/OpenSim/Region/Modules/Terrain/Extensions/DefaultEffects/Effects/ChannelDigger.cs b/OpenSim/Region/Modules/Terrain/Extensions/DefaultEffects/Effects/ChannelDigger.cs
new file mode 100644
index 0000000..2f2c04e
--- /dev/null
+++ b/OpenSim/Region/Modules/Terrain/Extensions/DefaultEffects/Effects/ChannelDigger.cs
@@ -0,0 +1,80 @@
+using System;
+using OpenSim.Region.Environment.Interfaces;
+using OpenSim.Region.Environment.Modules.Terrain;
+using OpenSim.Region.Environment.Modules.Terrain.FloodBrushes;
+
+namespace OpenSim.Region.Modules.Terrain.Extensions.DefaultEffects.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);
+                }
+            }
+        }
+    }
+}
\ No newline at end of file
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