From b3844c1f7348b4296b5ab1df258935d7f971e412 Mon Sep 17 00:00:00 2001
From: gareth
Date: Wed, 7 Mar 2007 18:48:38 +0000
Subject: Deleted old trunk code

---
 src/world/HeightmapGenHills.cs | 122 -----------------------------------------
 1 file changed, 122 deletions(-)
 delete mode 100644 src/world/HeightmapGenHills.cs

(limited to 'src/world/HeightmapGenHills.cs')

diff --git a/src/world/HeightmapGenHills.cs b/src/world/HeightmapGenHills.cs
deleted file mode 100644
index 12af005..0000000
--- a/src/world/HeightmapGenHills.cs
+++ /dev/null
@@ -1,122 +0,0 @@
-using System;
-
-namespace libsecondlife
-{
-    public class HeightmapGenHills
-    {
-        private Random Rand = new Random();
-        private int NumHills;
-        private float HillMin;
-        private float HillMax;
-        private bool Island;
-        private float[] heightmap;
-
-        public float[] GenerateHeightmap(int numHills, float hillMin, float hillMax, bool island)
-        {
-            NumHills = numHills;
-            HillMin = hillMin;
-            HillMax = hillMax;
-            Island = island;
-
-            heightmap = new float[256 * 256];
-
-            for (int i = 0; i < numHills; i++)
-            {
-                AddHill();
-            }
-
-            Normalize();
-
-            return heightmap;
-        }
-
-        private void AddHill()
-        {
-            float x, y;
-            float radius = RandomRange(HillMin, HillMax);
-
-            if (Island)
-            {
-                // Which direction from the center of the map the hill is placed
-                float theta = RandomRange(0, 6.28f);
-
-                // How far from the center of the map to place the hill. The radius
-                // is subtracted from the range to prevent any part of the hill from
-                // reaching the edge of the map
-                float distance = RandomRange(radius / 2.0f, 128.0f - radius);
-
-                x = 128.0f + (float)Math.Cos(theta) * distance;
-                y = 128.0f + (float)Math.Sin(theta) * distance;
-            }
-            else
-            {
-                x = RandomRange(-radius, 256.0f + radius);
-                y = RandomRange(-radius, 256.0f + radius);
-            }
-
-            float radiusSq = radius * radius;
-            float distSq;
-            float height;
-
-            int xMin = (int)(x - radius) - 1;
-            int xMax = (int)(x + radius) + 1;
-            if (xMin < 0) xMin = 0;
-            if (xMax > 255) xMax = 255;
-
-            int yMin = (int)(y - radius) - 1;
-            int yMax = (int)(y + radius) + 1;
-            if (yMin < 0) yMin = 0;
-            if (yMax > 255) yMax = 255;
-
-            // Loop through each affected cell and determine the height at that point
-            for (int v = yMin; v <= yMax; ++v)
-            {
-                float fv = (float)v;
-
-                for (int h = xMin; h <= xMax; ++h)
-                {
-                    float fh = (float)h;
-
-                    // Determine how far from the center of this hill this point is
-                    distSq = (x - fh) * (x - fh) + (y - fv) * (y - fv);
-                    height = radiusSq - distSq;
-
-                    // Don't add negative hill values
-                    if (height > 0.0f) heightmap[h + v * 256] += height;
-                }
-            }
-        }
-
-        private void Normalize()
-        {
-            float min = heightmap[0];
-            float max = heightmap[0];
-
-            for (int x = 0; x < 256; x++)
-            {
-                for (int y = 0; y < 256; y++)
-                {
-                    if (heightmap[x + y * 256] < min) min = heightmap[x + y * 256];
-                    if (heightmap[x + y * 256] > max) max = heightmap[x + y * 256];
-                }
-            }
-
-            // Avoid a rare divide by zero
-            if (min != max)
-            {
-                for (int x = 0; x < 256; x++)
-                {
-                    for (int y = 0; y < 256; y++)
-                    {
-                        heightmap[x + y * 256] = ((heightmap[x + y * 256] - min) / (max - min)) * (HillMax - HillMin);
-                    }
-                }
-            }
-        }
-
-        private float RandomRange(float min, float max)
-        {
-            return (float)Rand.NextDouble() * (max - min) + min;
-        }
-    }
-}
-- 
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