1 files changed, 0 insertions, 122 deletions
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;
-        }
-    }
-}

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 @@
1	using System;
2
3	namespace libsecondlife
4	{
5	public class HeightmapGenHills
6	{
7	private Random Rand = new Random();
8	private int NumHills;
9	private float HillMin;
10	private float HillMax;
11	private bool Island;
12	private float[] heightmap;
13
14	public float[] GenerateHeightmap(int numHills, float hillMin, float hillMax, bool island)
15	{
16	NumHills = numHills;
17	HillMin = hillMin;
18	HillMax = hillMax;
19	Island = island;
20
21	heightmap = new float[256 * 256];
22
23	for (int i = 0; i < numHills; i++)
24	{
25	AddHill();
26	}
27
28	Normalize();
29
30	return heightmap;
31	}
32
33	private void AddHill()
34	{
35	float x, y;
36	float radius = RandomRange(HillMin, HillMax);
37
38	if (Island)
39	{
40	// Which direction from the center of the map the hill is placed
41	float theta = RandomRange(0, 6.28f);
42
43	// How far from the center of the map to place the hill. The radius
44	// is subtracted from the range to prevent any part of the hill from
45	// reaching the edge of the map
46	float distance = RandomRange(radius / 2.0f, 128.0f - radius);
47
48	x = 128.0f + (float)Math.Cos(theta) * distance;
49	y = 128.0f + (float)Math.Sin(theta) * distance;
50	}
51	else
52	{
53	x = RandomRange(-radius, 256.0f + radius);
54	y = RandomRange(-radius, 256.0f + radius);
55	}
56
57	float radiusSq = radius * radius;
58	float distSq;
59	float height;
60
61	int xMin = (int)(x - radius) - 1;
62	int xMax = (int)(x + radius) + 1;
63	if (xMin < 0) xMin = 0;
64	if (xMax > 255) xMax = 255;
65
66	int yMin = (int)(y - radius) - 1;
67	int yMax = (int)(y + radius) + 1;
68	if (yMin < 0) yMin = 0;
69	if (yMax > 255) yMax = 255;
70
71	// Loop through each affected cell and determine the height at that point
72	for (int v = yMin; v <= yMax; ++v)
73	{
74	float fv = (float)v;
75
76	for (int h = xMin; h <= xMax; ++h)
77	{
78	float fh = (float)h;
79
80	// Determine how far from the center of this hill this point is
81	distSq = (x - fh) * (x - fh) + (y - fv) * (y - fv);
82	height = radiusSq - distSq;
83
84	// Don't add negative hill values
85	if (height > 0.0f) heightmap[h + v * 256] += height;
86	}
87	}
88	}
89
90	private void Normalize()
91	{
92	float min = heightmap[0];
93	float max = heightmap[0];
94
95	for (int x = 0; x < 256; x++)
96	{
97	for (int y = 0; y < 256; y++)
98	{
99	if (heightmap[x + y * 256] < min) min = heightmap[x + y * 256];
100	if (heightmap[x + y * 256] > max) max = heightmap[x + y * 256];
101	}
102	}
103
104	// Avoid a rare divide by zero
105	if (min != max)
106	{
107	for (int x = 0; x < 256; x++)
108	{
109	for (int y = 0; y < 256; y++)
110	{
111	heightmap[x + y * 256] = ((heightmap[x + y * 256] - min) / (max - min)) * (HillMax - HillMin);
112	}
113	}
114	}
115	}
116
117	private float RandomRange(float min, float max)
118	{
119	return (float)Rand.NextDouble() * (max - min) + min;
120	}
121	}
122	}