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-rw-r--r--OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Common.cs281
1 files changed, 0 insertions, 281 deletions
diff --git a/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Common.cs b/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Common.cs
deleted file mode 100644
index 0c71ed8..0000000
--- a/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Common.cs
+++ /dev/null
@@ -1,281 +0,0 @@
1/*
2 * Copyright (c) Contributors, http://opensimulator.org/
3 * See CONTRIBUTORS.TXT for a full list of copyright holders.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the OpenSim Project nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28using System;
29
30namespace libTerrain
31{
32 public partial class Channel
33 {
34 public int GetWidth()
35 {
36 return w;
37 }
38
39 public int GetHeight()
40 {
41 return h;
42 }
43
44 public Channel Copy()
45 {
46 Channel x = new Channel(w, h);
47 x.map = (double[,]) map.Clone();
48 return x;
49 }
50
51 public void SetDiff()
52 {
53 SetDiff(1);
54 }
55
56 public void SetDiff(int val)
57 {
58 for (int x = 0; x < w/16; x++)
59 {
60 for (int y = 0; y < h/16; y++)
61 {
62 diff[x, y] = val;
63 }
64 }
65 }
66
67 public void SetDiff(int x, int y)
68 {
69 diff[x/16, y/16]++;
70 }
71
72 public void Set(int x, int y, double val)
73 {
74 if (x >= w)
75 throw new Exception("Bounds error while setting pixel (width)");
76 if (y >= h)
77 throw new Exception("Bounds error while setting pixel (height)");
78 if (x < 0)
79 throw new Exception("Bounds error while setting pixel (width)");
80 if (y < 0)
81 throw new Exception("Bounds error while setting pixel (height)");
82
83 if (map[x, y] != val)
84 {
85 SetDiff(x, y);
86
87 map[x, y] = val;
88 }
89 }
90
91 public void SetClip(int x, int y, double val)
92 {
93 SetDiff(x, y);
94
95 if (x >= w)
96 throw new Exception("Bounds error while setting pixel (width)");
97 if (y >= h)
98 throw new Exception("Bounds error while setting pixel (height)");
99 if (x < 0)
100 throw new Exception("Bounds error while setting pixel (width)");
101 if (y < 0)
102 throw new Exception("Bounds error while setting pixel (height)");
103
104 if (val > 1.0)
105 val = 1.0;
106 if (val < 0.0)
107 val = 0.0;
108
109 map[x, y] = val;
110 }
111
112 private double GetBilinearInterpolate(double x, double y)
113 {
114 if (x > w - 2.0)
115 x = w - 2.0;
116 if (y > h - 2.0)
117 y = h - 2.0;
118 if (x < 0.0)
119 x = 0.0;
120 if (y < 0.0)
121 y = 0.0;
122
123 int stepSize = 1;
124 double h00 = Get((int) x, (int) y);
125 double h10 = Get((int) x + stepSize, (int) y);
126 double h01 = Get((int) x, (int) y + stepSize);
127 double h11 = Get((int) x + stepSize, (int) y + stepSize);
128 double h1 = h00;
129 double h2 = h10;
130 double h3 = h01;
131 double h4 = h11;
132 double a00 = h1;
133 double a10 = h2 - h1;
134 double a01 = h3 - h1;
135 double a11 = h1 - h2 - h3 + h4;
136 double partialx = x - (int) x;
137 double partialz = y - (int) y;
138 double hi = a00 + (a10*partialx) + (a01*partialz) + (a11*partialx*partialz);
139 return hi;
140 }
141
142 public double Get(int x, int y)
143 {
144 try
145 {
146 return map[x, y];
147 }
148 catch (IndexOutOfRangeException)
149 {
150 if (x >= w)
151 x = w - 1;
152 if (y >= h)
153 y = h - 1;
154 if (x < 0)
155 x = 0;
156 if (y < 0)
157 y = 0;
158 return map[x, y];
159 }
160 }
161
162 public void SetWrap(int x, int y, double val)
163 {
164 SetDiff(x, y);
165
166 map[x%w, y%h] = val;
167 }
168
169 public void SetWrapClip(int x, int y, double val)
170 {
171 SetDiff(x, y);
172
173 if (val > 1.0)
174 val = 1.0;
175 if (val < 0.0)
176 val = 0.0;
177
178 map[x%w, y%h] = val;
179 }
180
181 public void Fill(double val)
182 {
183 SetDiff();
184
185 int x, y;
186 for (x = 0; x < w; x++)
187 {
188 for (y = 0; y < h; y++)
189 {
190 map[x, y] = val;
191 }
192 }
193 }
194
195 public void Fill(double min, double max, double val)
196 {
197 SetDiff();
198
199 int x, y;
200 for (x = 0; x < w; x++)
201 {
202 for (y = 0; y < h; y++)
203 {
204 if (map[x, y] >= min && map[x, y] <= max)
205 map[x, y] = val;
206 }
207 }
208 }
209
210 public double FindMax()
211 {
212 int x, y;
213 double max = double.MinValue;
214
215 for (x = 0; x < w; x++)
216 {
217 for (y = 0; y < h; y++)
218 {
219 if (map[x, y] > max)
220 max = map[x, y];
221 }
222 }
223
224 return max;
225 }
226
227 public double FindMin()
228 {
229 int x, y;
230 double min = double.MaxValue;
231
232 for (x = 0; x < w; x++)
233 {
234 for (y = 0; y < h; y++)
235 {
236 if (map[x, y] < min)
237 min = map[x, y];
238 }
239 }
240
241 return min;
242 }
243
244 public double Sum()
245 {
246 int x, y;
247 double sum = 0.0;
248
249 for (x = 0; x < w; x++)
250 {
251 for (y = 0; y < h; y++)
252 {
253 sum += map[x, y];
254 }
255 }
256
257 return sum;
258 }
259
260 public double Avg()
261 {
262 return Sum()/(w*h);
263 }
264
265 public bool ContainsNaN()
266 {
267 int x, y;
268 for (x = 0; x < w; x++)
269 {
270 for (y = 0; y < h; y++)
271 {
272 double elm = map[x, y];
273
274 if (Double.IsNaN(elm))
275 return true;
276 }
277 }
278 return false;
279 }
280 }
281}
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