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-rw-r--r-- | OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Operators.cs | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Operators.cs b/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Operators.cs new file mode 100644 index 0000000..81db690 --- /dev/null +++ b/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Operators.cs | |||
@@ -0,0 +1,221 @@ | |||
1 | /* | ||
2 | Redistribution and use in source and binary forms, with or without | ||
3 | modification, are permitted provided that the following conditions are | ||
4 | met: | ||
5 | |||
6 | * Redistributions of source code must retain the above copyright | ||
7 | notice, this list of conditions and the following disclaimer. | ||
8 | |||
9 | * Redistributions in binary form must reproduce the above | ||
10 | copyright notice, this list of conditions and the following | ||
11 | disclaimer in the documentation and/or other materials provided | ||
12 | with the distribution. | ||
13 | |||
14 | * Neither the name of libTerrain nor the names of | ||
15 | its contributors may be used to endorse or promote products | ||
16 | derived from this software without specific prior written | ||
17 | permission. | ||
18 | |||
19 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
20 | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
21 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
22 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
23 | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
24 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
25 | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
26 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
27 | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
28 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
29 | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
30 | */ | ||
31 | |||
32 | using System; | ||
33 | using System.Collections.Generic; | ||
34 | using System.Text; | ||
35 | |||
36 | namespace libTerrain | ||
37 | { | ||
38 | partial class Channel | ||
39 | { | ||
40 | /* Operator combination of channel datatypes */ | ||
41 | |||
42 | public static Channel operator +(Channel A, Channel B) | ||
43 | { | ||
44 | if (A.h != B.h) | ||
45 | throw new Exception("Cannot add heightmaps, of different height."); | ||
46 | if (A.w != B.w) | ||
47 | throw new Exception("Cannot add heightmaps, of different width."); | ||
48 | |||
49 | int x, y; | ||
50 | |||
51 | for (x = 0; x < A.w; x++) | ||
52 | { | ||
53 | for (y = 0; y < A.h; y++) | ||
54 | { | ||
55 | A.map[x, y] += B.map[x, y]; | ||
56 | } | ||
57 | } | ||
58 | |||
59 | return A; | ||
60 | } | ||
61 | |||
62 | public static Channel operator *(Channel A, Channel B) | ||
63 | { | ||
64 | if (A.h != B.h) | ||
65 | throw new Exception("Cannot multiply heightmaps, of different height."); | ||
66 | if (A.w != B.w) | ||
67 | throw new Exception("Cannot multiply heightmaps, of different width."); | ||
68 | |||
69 | int x, y; | ||
70 | |||
71 | for (x = 0; x < A.w; x++) | ||
72 | { | ||
73 | for (y = 0; y < A.h; y++) | ||
74 | { | ||
75 | A.map[x, y] *= B.map[x, y]; | ||
76 | } | ||
77 | } | ||
78 | |||
79 | return A; | ||
80 | } | ||
81 | |||
82 | public static Channel operator -(Channel A, Channel B) | ||
83 | { | ||
84 | if (A.h != B.h) | ||
85 | throw new Exception("Cannot subtract heightmaps, of different height."); | ||
86 | if (A.w != B.w) | ||
87 | throw new Exception("Cannot subtract heightmaps, of different width."); | ||
88 | |||
89 | int x, y; | ||
90 | |||
91 | for (x = 0; x < A.w; x++) | ||
92 | { | ||
93 | for (y = 0; y < A.h; y++) | ||
94 | { | ||
95 | A.map[x, y] -= B.map[x, y]; | ||
96 | } | ||
97 | } | ||
98 | |||
99 | return A; | ||
100 | } | ||
101 | |||
102 | public static Channel operator /(Channel A, Channel B) | ||
103 | { | ||
104 | if (A.h != B.h) | ||
105 | throw new Exception("Cannot divide heightmaps, of different height."); | ||
106 | if (A.w != B.w) | ||
107 | throw new Exception("Cannot divide heightmaps, of different width."); | ||
108 | |||
109 | int x, y; | ||
110 | |||
111 | for (x = 0; x < A.w; x++) | ||
112 | { | ||
113 | for (y = 0; y < A.h; y++) | ||
114 | { | ||
115 | A.map[x, y] /= B.map[x, y]; | ||
116 | } | ||
117 | } | ||
118 | |||
119 | return A; | ||
120 | } | ||
121 | |||
122 | public static Channel operator ^(Channel A, Channel B) | ||
123 | { | ||
124 | if (A.h != B.h) | ||
125 | throw new Exception("Cannot divide heightmaps, of different height."); | ||
126 | if (A.w != B.w) | ||
127 | throw new Exception("Cannot divide heightmaps, of different width."); | ||
128 | |||
129 | int x, y; | ||
130 | |||
131 | for (x = 0; x < A.w; x++) | ||
132 | { | ||
133 | for (y = 0; y < A.h; y++) | ||
134 | { | ||
135 | A.map[x, y] = Math.Pow(A.map[x,y],B.map[x, y]); | ||
136 | } | ||
137 | } | ||
138 | |||
139 | return A; | ||
140 | } | ||
141 | |||
142 | |||
143 | /* Operator combination of channel and double datatypes */ | ||
144 | |||
145 | public static Channel operator +(Channel A, double B) | ||
146 | { | ||
147 | int x, y; | ||
148 | |||
149 | for (x = 0; x < A.w; x++) | ||
150 | { | ||
151 | for (y = 0; y < A.h; y++) | ||
152 | { | ||
153 | A.map[x, y] += B; | ||
154 | } | ||
155 | } | ||
156 | |||
157 | return A; | ||
158 | } | ||
159 | |||
160 | public static Channel operator -(Channel A, double B) | ||
161 | { | ||
162 | int x, y; | ||
163 | |||
164 | for (x = 0; x < A.w; x++) | ||
165 | { | ||
166 | for (y = 0; y < A.h; y++) | ||
167 | { | ||
168 | A.map[x, y] -= B; | ||
169 | } | ||
170 | } | ||
171 | |||
172 | return A; | ||
173 | } | ||
174 | |||
175 | public static Channel operator *(Channel A, double B) | ||
176 | { | ||
177 | int x, y; | ||
178 | |||
179 | for (x = 0; x < A.w; x++) | ||
180 | { | ||
181 | for (y = 0; y < A.h; y++) | ||
182 | { | ||
183 | A.map[x, y] *= B; | ||
184 | } | ||
185 | } | ||
186 | |||
187 | return A; | ||
188 | } | ||
189 | |||
190 | public static Channel operator /(Channel A, double B) | ||
191 | { | ||
192 | int x, y; | ||
193 | |||
194 | for (x = 0; x < A.w; x++) | ||
195 | { | ||
196 | for (y = 0; y < A.h; y++) | ||
197 | { | ||
198 | A.map[x, y] /= B; | ||
199 | } | ||
200 | } | ||
201 | |||
202 | return A; | ||
203 | } | ||
204 | |||
205 | public static Channel operator ^(Channel A, double B) | ||
206 | { | ||
207 | int x, y; | ||
208 | |||
209 | for (x = 0; x < A.w; x++) | ||
210 | { | ||
211 | for (y = 0; y < A.h; y++) | ||
212 | { | ||
213 | A.map[x, y] = Math.Pow(A.map[x,y],B); | ||
214 | } | ||
215 | } | ||
216 | |||
217 | return A; | ||
218 | } | ||
219 | |||
220 | } | ||
221 | } | ||