1 files changed, 0 insertions, 149 deletions
diff --git a/src/HeightMapGenHills.cs b/src/HeightMapGenHills.cs
deleted file mode 100644
index e7589af..0000000
--- a/src/HeightMapGenHills.cs
+++ /dev/null
@@ -1,149 +0,0 @@
-/*
-* Copyright (c) OpenSim project, http://sim.opensecondlife.org/
-*
-* 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 <organization> 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 <copyright holder> ``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 <copyright holder> 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;
-namespace OpenSim
-{
-    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/HeightMapGenHills.cs b/src/HeightMapGenHills.cs deleted file mode 100644 index e7589af..0000000 --- a/src/HeightMapGenHills.cs +++ /dev/null
@@ -1,149 +0,0 @@
1	/*
2	* Copyright (c) OpenSim project, http://sim.opensecondlife.org/
3	*
4	* Redistribution and use in source and binary forms, with or without
5	* modification, are permitted provided that the following conditions are met:
6	* * Redistributions of source code must retain the above copyright
7	* notice, this list of conditions and the following disclaimer.
8	* * Redistributions in binary form must reproduce the above copyright
9	* notice, this list of conditions and the following disclaimer in the
10	* documentation and/or other materials provided with the distribution.
11	* * Neither the name of the <organization> nor the
12	* names of its contributors may be used to endorse or promote products
13	* derived from this software without specific prior written permission.
14	*
15	* THIS SOFTWARE IS PROVIDED BY <copyright holder> ``AS IS'' AND ANY
16	* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17	* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18	* DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
19	* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20	* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21	* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
22	* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
24	* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25	*
26	*/
27
28	using System;
29
30	namespace OpenSim
31	{
32	public class HeightmapGenHills
33	{
34	private Random Rand = new Random();
35	private int NumHills;
36	private float HillMin;
37	private float HillMax;
38	private bool Island;
39	private float[] heightmap;
40
41	public float[] GenerateHeightmap(int numHills, float hillMin, float hillMax, bool island)
42	{
43	NumHills = numHills;
44	HillMin = hillMin;
45	HillMax = hillMax;
46	Island = island;
47
48	heightmap = new float[256 * 256];
49
50	for (int i = 0; i < numHills; i++)
51	{
52	AddHill();
53	}
54
55	Normalize();
56
57	return heightmap;
58	}
59
60	private void AddHill()
61	{
62	float x, y;
63	float radius = RandomRange(HillMin, HillMax);
64
65	if (Island)
66	{
67	// Which direction from the center of the map the hill is placed
68	float theta = RandomRange(0, 6.28f);
69
70	// How far from the center of the map to place the hill. The radius
71	// is subtracted from the range to prevent any part of the hill from
72	// reaching the edge of the map
73	float distance = RandomRange(radius / 2.0f, 128.0f - radius);
74
75	x = 128.0f + (float)Math.Cos(theta) * distance;
76	y = 128.0f + (float)Math.Sin(theta) * distance;
77	}
78	else
79	{
80	x = RandomRange(-radius, 256.0f + radius);
81	y = RandomRange(-radius, 256.0f + radius);
82	}
83
84	float radiusSq = radius * radius;
85	float distSq;
86	float height;
87
88	int xMin = (int)(x - radius) - 1;
89	int xMax = (int)(x + radius) + 1;
90	if (xMin < 0) xMin = 0;
91	if (xMax > 255) xMax = 255;
92
93	int yMin = (int)(y - radius) - 1;
94	int yMax = (int)(y + radius) + 1;
95	if (yMin < 0) yMin = 0;
96	if (yMax > 255) yMax = 255;
97
98	// Loop through each affected cell and determine the height at that point
99	for (int v = yMin; v <= yMax; ++v)
100	{
101	float fv = (float)v;
102
103	for (int h = xMin; h <= xMax; ++h)
104	{
105	float fh = (float)h;
106
107	// Determine how far from the center of this hill this point is
108	distSq = (x - fh) * (x - fh) + (y - fv) * (y - fv);
109	height = radiusSq - distSq;
110
111	// Don't add negative hill values
112	if (height > 0.0f) heightmap[h + v * 256] += height;
113	}
114	}
115	}
116
117	private void Normalize()
118	{
119	float min = heightmap[0];
120	float max = heightmap[0];
121
122	for (int x = 0; x < 256; x++)
123	{
124	for (int y = 0; y < 256; y++)
125	{
126	if (heightmap[x + y * 256] < min) min = heightmap[x + y * 256];
127	if (heightmap[x + y * 256] > max) max = heightmap[x + y * 256];
128	}
129	}
130
131	// Avoid a rare divide by zero
132	if (min != max)
133	{
134	for (int x = 0; x < 256; x++)
135	{
136	for (int y = 0; y < 256; y++)
137	{
138	heightmap[x + y * 256] = ((heightmap[x + y * 256] - min) / (max - min)) * (HillMax - HillMin);
139	}
140	}
141	}
142	}
143
144	private float RandomRange(float min, float max)
145	{
146	return (float)Rand.NextDouble() * (max - min) + min;
147	}
148	}
149	}