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  18. <h1>CellEngine/src/cellengine.cpp</h1><a href="cellengine_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* cellengine.cpp</span>
    19. 

  19. <a name="l00002"></a>00002 <span class="comment"> *</span>
    20. 

  20. <a name="l00003"></a>00003 <span class="comment"> * Micropolis, Unix Version.  This game was released for the Unix platform</span>
    21. 

  21. <a name="l00004"></a>00004 <span class="comment"> * in or about 1990 and has been modified for inclusion in the One Laptop</span>
    22. 

  22. <a name="l00005"></a>00005 <span class="comment"> * Per Child program.  Copyright (C) 1989 - 2007 Electronic Arts Inc.  If</span>
    23. 

  23. <a name="l00006"></a>00006 <span class="comment"> * you need assistance with this program, you may contact:</span>
    24. 

  24. <a name="l00007"></a>00007 <span class="comment"> *   http://wiki.laptop.org/go/Micropolis  or email  micropolis@laptop.org.</span>
    25. 

  25. <a name="l00008"></a>00008 <span class="comment"> *</span>
    26. 

  26. <a name="l00009"></a>00009 <span class="comment"> * This program is free software: you can redistribute it and/or modify</span>
    27. 

  27. <a name="l00010"></a>00010 <span class="comment"> * it under the terms of the GNU General Public License as published by</span>
    28. 

  28. <a name="l00011"></a>00011 <span class="comment"> * the Free Software Foundation, either version 3 of the License, or (at</span>
    29. 

  29. <a name="l00012"></a>00012 <span class="comment"> * your option) any later version.</span>
    30. 

  30. <a name="l00013"></a>00013 <span class="comment"> *</span>
    31. 

  31. <a name="l00014"></a>00014 <span class="comment"> * This program is distributed in the hope that it will be useful, but</span>
    32. 

  32. <a name="l00015"></a>00015 <span class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</span>
    33. 

  33. <a name="l00016"></a>00016 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU</span>
    34. 

  34. <a name="l00017"></a>00017 <span class="comment"> * General Public License for more details.  You should have received a</span>
    35. 

  35. <a name="l00018"></a>00018 <span class="comment"> * copy of the GNU General Public License along with this program.  If</span>
    36. 

  36. <a name="l00019"></a>00019 <span class="comment"> * not, see &lt;http://www.gnu.org/licenses/&gt;.</span>
    37. 

  37. <a name="l00020"></a>00020 <span class="comment"> *</span>
    38. 

  38. <a name="l00021"></a>00021 <span class="comment"> *             ADDITIONAL TERMS per GNU GPL Section 7</span>
    39. 

  39. <a name="l00022"></a>00022 <span class="comment"> *</span>
    40. 

  40. <a name="l00023"></a>00023 <span class="comment"> * No trademark or publicity rights are granted.  This license does NOT</span>
    41. 

  41. <a name="l00024"></a>00024 <span class="comment"> * give you any right, title or interest in the trademark SimCity or any</span>
    42. 

  42. <a name="l00025"></a>00025 <span class="comment"> * other Electronic Arts trademark.  You may not distribute any</span>
    43. 

  43. <a name="l00026"></a>00026 <span class="comment"> * modification of this program using the trademark SimCity or claim any</span>
    44. 

  44. <a name="l00027"></a>00027 <span class="comment"> * affliation or association with Electronic Arts Inc. or its employees.</span>
    45. 

  45. <a name="l00028"></a>00028 <span class="comment"> *</span>
    46. 

  46. <a name="l00029"></a>00029 <span class="comment"> * Any propagation or conveyance of this program must include this</span>
    47. 

  47. <a name="l00030"></a>00030 <span class="comment"> * copyright notice and these terms.</span>
    48. 

  48. <a name="l00031"></a>00031 <span class="comment"> *</span>
    49. 

  49. <a name="l00032"></a>00032 <span class="comment"> * If you convey this program (or any modifications of it) and assume</span>
    50. 

  50. <a name="l00033"></a>00033 <span class="comment"> * contractual liability for the program to recipients of it, you agree</span>
    51. 

  51. <a name="l00034"></a>00034 <span class="comment"> * to indemnify Electronic Arts for any liability that those contractual</span>
    52. 

  52. <a name="l00035"></a>00035 <span class="comment"> * assumptions impose on Electronic Arts.</span>
    53. 

  53. <a name="l00036"></a>00036 <span class="comment"> *</span>
    54. 

  54. <a name="l00037"></a>00037 <span class="comment"> * You may not misrepresent the origins of this program; modified</span>
    55. 

  55. <a name="l00038"></a>00038 <span class="comment"> * versions of the program must be marked as such and not identified as</span>
    56. 

  56. <a name="l00039"></a>00039 <span class="comment"> * the original program.</span>
    57. 

  57. <a name="l00040"></a>00040 <span class="comment"> *</span>
    58. 

  58. <a name="l00041"></a>00041 <span class="comment"> * This disclaimer supplements the one included in the General Public</span>
    59. 

  59. <a name="l00042"></a>00042 <span class="comment"> * License.  TO THE FULLEST EXTENT PERMISSIBLE UNDER APPLICABLE LAW, THIS</span>
    60. 

  60. <a name="l00043"></a>00043 <span class="comment"> * PROGRAM IS PROVIDED TO YOU "AS IS," WITH ALL FAULTS, WITHOUT WARRANTY</span>
    61. 

  61. <a name="l00044"></a>00044 <span class="comment"> * OF ANY KIND, AND YOUR USE IS AT YOUR SOLE RISK.  THE ENTIRE RISK OF</span>
    62. 

  62. <a name="l00045"></a>00045 <span class="comment"> * SATISFACTORY QUALITY AND PERFORMANCE RESIDES WITH YOU.  ELECTRONIC ARTS</span>
    63. 

  63. <a name="l00046"></a>00046 <span class="comment"> * DISCLAIMS ANY AND ALL EXPRESS, IMPLIED OR STATUTORY WARRANTIES,</span>
    64. 

  64. <a name="l00047"></a>00047 <span class="comment"> * INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY, SATISFACTORY QUALITY,</span>
    65. 

  65. <a name="l00048"></a>00048 <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE, NONINFRINGEMENT OF THIRD PARTY</span>
    66. 

  66. <a name="l00049"></a>00049 <span class="comment"> * RIGHTS, AND WARRANTIES (IF ANY) ARISING FROM A COURSE OF DEALING,</span>
    67. 

  67. <a name="l00050"></a>00050 <span class="comment"> * USAGE, OR TRADE PRACTICE.  ELECTRONIC ARTS DOES NOT WARRANT AGAINST</span>
    68. 

  68. <a name="l00051"></a>00051 <span class="comment"> * INTERFERENCE WITH YOUR ENJOYMENT OF THE PROGRAM; THAT THE PROGRAM WILL</span>
    69. 

  69. <a name="l00052"></a>00052 <span class="comment"> * MEET YOUR REQUIREMENTS; THAT OPERATION OF THE PROGRAM WILL BE</span>
    70. 

  70. <a name="l00053"></a>00053 <span class="comment"> * UNINTERRUPTED OR ERROR-FREE, OR THAT THE PROGRAM WILL BE COMPATIBLE</span>
    71. 

  71. <a name="l00054"></a>00054 <span class="comment"> * WITH THIRD PARTY SOFTWARE OR THAT ANY ERRORS IN THE PROGRAM WILL BE</span>
    72. 

  72. <a name="l00055"></a>00055 <span class="comment"> * CORRECTED.  NO ORAL OR WRITTEN ADVICE PROVIDED BY ELECTRONIC ARTS OR</span>
    73. 

  73. <a name="l00056"></a>00056 <span class="comment"> * ANY AUTHORIZED REPRESENTATIVE SHALL CREATE A WARRANTY.  SOME</span>
    74. 

  74. <a name="l00057"></a>00057 <span class="comment"> * JURISDICTIONS DO NOT ALLOW THE EXCLUSION OF OR LIMITATIONS ON IMPLIED</span>
    75. 

  75. <a name="l00058"></a>00058 <span class="comment"> * WARRANTIES OR THE LIMITATIONS ON THE APPLICABLE STATUTORY RIGHTS OF A</span>
    76. 

  76. <a name="l00059"></a>00059 <span class="comment"> * CONSUMER, SO SOME OR ALL OF THE ABOVE EXCLUSIONS AND LIMITATIONS MAY</span>
    77. 

  77. <a name="l00060"></a>00060 <span class="comment"> * NOT APPLY TO YOU.</span>
    78. 

  78. <a name="l00061"></a>00061 <span class="comment"> */</span>
    79. 

  79. <a name="l00062"></a>00062 
    80. 

  80. <a name="l00063"></a>00063 
    81. 

  81. <a name="l00065"></a>00065 
    82. 

  82. <a name="l00071"></a>00071 <span class="preprocessor">#include "stdafx.h"</span>
    83. 

  83. <a name="l00072"></a>00072 
    84. 

  84. <a name="l00073"></a>00073 
    85. 

  85. <a name="l00075"></a>00075 
    86. 

  86. <a name="l00076"></a>00076 
    87. 

  87. <a name="l00091"></a>00091 
    88. 

  88. <a name="l00092"></a>00092 
    89. 

  89. <a name="l00093"></a>00093 
    90. 

  90. <a name="l00094"></a>00094 <span class="keyword">extern</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="cellengine_8cpp.html#e658b09e5441dba52b12b813b1701a65">ruleTables</a>[];
    91. 

  91. <a name="l00095"></a>00095 <span class="keyword">static</span> <span class="keywordtype">int</span> ruleCount = -1;
    92. 

  92. <a name="l00096"></a>00096 
    93. 

  93. <a name="l00097"></a>00097 
    94. 

  94. <a name="l00099"></a>00099 
    95. 

  95. <a name="l00100"></a>00100 
    96. 

  96. <a name="l00101"></a>00101 <span class="preprocessor">#define RANDOMS_COUNT 256</span>
    97. 

  97. <a name="l00102"></a>00102 <span class="preprocessor"></span>
    98. 

  98. <a name="l00103"></a>00103 <span class="keyword">static</span> <span class="keywordtype">long</span> randomsPrimed = 0;
    99. 

  99. <a name="l00104"></a>00104 <span class="keyword">static</span> <span class="keywordtype">long</span> randoms[RANDOMS_COUNT];
    100. 

  100. <a name="l00105"></a>00105 <span class="keyword">static</span> <span class="keywordtype">long</span> randomRead = 0;
    101. 

  101. <a name="l00106"></a>00106 <span class="keyword">static</span> <span class="keywordtype">long</span> randomWrite = 0;
    102. 

  102. <a name="l00107"></a>00107 
    103. 

  103. <a name="l00108"></a>00108 
    104. 

  104. <a name="l00109"></a>00109 <span class="keywordtype">void</span> PrimeRandoms()
    105. 

  105. <a name="l00110"></a>00110 {
    106. 

  106. <a name="l00111"></a>00111     <span class="keywordflow">if</span> (randomsPrimed) {
    107. 

  107. <a name="l00112"></a>00112         <span class="keywordflow">return</span>;
    108. 

  108. <a name="l00113"></a>00113     } <span class="comment">// if</span>
    109. 

  109. <a name="l00114"></a>00114 
    110. 

  110. <a name="l00115"></a>00115     randomsPrimed = 1;
    111. 

  111. <a name="l00116"></a>00116 
    112. 

  112. <a name="l00117"></a>00117     <span class="keywordtype">long</span> i;
    113. 

  113. <a name="l00118"></a>00118     <span class="keywordflow">for</span> (i = 0; i &lt; RANDOMS_COUNT; i++) {
    114. 

  114. <a name="l00119"></a>00119         randoms[i] ^=
    115. 

  115. <a name="l00120"></a>00120 <span class="preprocessor">#ifdef MACOS</span>
    116. 

  116. <a name="l00121"></a>00121 <span class="preprocessor"></span>            Random() ^
    117. 

  117. <a name="l00122"></a>00122             (Random() &gt;&gt; 4) ^
    118. 

  118. <a name="l00123"></a>00123             (Random() &lt;&lt; 4);
    119. 

  119. <a name="l00124"></a>00124 <span class="preprocessor">#else</span>
    120. 

  120. <a name="l00125"></a>00125 <span class="preprocessor"></span>            rand() ^
    121. 

  121. <a name="l00126"></a>00126             (rand() &gt;&gt; 4) ^
    122. 

  122. <a name="l00127"></a>00127             (rand() &gt;&gt; 8) ^
    123. 

  123. <a name="l00128"></a>00128             (rand() &lt;&lt; 4);
    124. 

  124. <a name="l00129"></a>00129 <span class="preprocessor">#endif</span>
    125. 

  125. <a name="l00130"></a>00130 <span class="preprocessor"></span>    }
    126. 

  126. <a name="l00131"></a>00131 
    127. 

  127. <a name="l00132"></a>00132     randomRead = 0;
    128. 

  128. <a name="l00133"></a>00133     randomWrite = 0;
    129. 

  129. <a name="l00134"></a>00134 }
    130. 

  130. <a name="l00135"></a>00135 
    131. 

  131. <a name="l00136"></a>00136 
    132. 

  132. <a name="l00137"></a>00137 <span class="keywordtype">void</span> FeedRandom(
    133. 

  133. <a name="l00138"></a>00138     <span class="keywordtype">long</span> food)
    134. 

  134. <a name="l00139"></a>00139 {
    135. 

  135. <a name="l00140"></a>00140     randomWrite--;
    136. 

  136. <a name="l00141"></a>00141     <span class="keywordflow">if</span> (randomWrite &lt; 0) {
    137. 

  137. <a name="l00142"></a>00142         randomWrite = RANDOMS_COUNT - 1;
    138. 

  138. <a name="l00143"></a>00143     }
    139. 

  139. <a name="l00144"></a>00144     randoms[randomWrite] ^= food;
    140. 

  140. <a name="l00145"></a>00145 }
    141. 

  141. <a name="l00146"></a>00146 
    142. 

  142. <a name="l00147"></a>00147 
    143. 

  143. <a name="l00148"></a>00148 <span class="keywordtype">long</span> Rand32()
    144. 

  144. <a name="l00149"></a>00149 {
    145. 

  145. <a name="l00150"></a>00150     PrimeRandoms();
    146. 

  146. <a name="l00151"></a>00151 
    147. 

  147. <a name="l00152"></a>00152     randomRead++;
    148. 

  148. <a name="l00153"></a>00153     <span class="keywordflow">if</span> (randomRead &gt;= RANDOMS_COUNT) {
    149. 

  149. <a name="l00154"></a>00154         randomRead = 0;
    150. 

  150. <a name="l00155"></a>00155     }
    151. 

  151. <a name="l00156"></a>00156 
    152. 

  152. <a name="l00157"></a>00157     <span class="keywordtype">long</span> result = randoms[randomRead];
    153. 

  153. <a name="l00158"></a>00158 
    154. 

  154. <a name="l00159"></a>00159     <span class="comment">// TODO: make a better hasher</span>
    155. 

  155. <a name="l00160"></a>00160 <span class="preprocessor">#ifdef MACOS</span>
    156. 

  156. <a name="l00161"></a>00161 <span class="preprocessor"></span>    randoms[randomRead] ^= Random();
    157. 

  157. <a name="l00162"></a>00162 <span class="preprocessor">#else</span>
    158. 

  158. <a name="l00163"></a>00163 <span class="preprocessor"></span>    <span class="keywordtype">int</span> r = rand() ^ (rand() &lt;&lt; 8);
    159. 

  159. <a name="l00164"></a>00164     randoms[randomRead] ^= r;
    160. 

  160. <a name="l00165"></a>00165 <span class="preprocessor">#endif</span>
    161. 

  161. <a name="l00166"></a>00166 <span class="preprocessor"></span>
    162. 

  162. <a name="l00167"></a>00167     <span class="keywordflow">return</span> result;
    163. 

  163. <a name="l00168"></a>00168 }
    164. 

  164. <a name="l00169"></a>00169 
    165. 

  165. <a name="l00170"></a>00170 
    166. 

  166. <a name="l00171"></a>00171 <span class="keywordtype">long</span> Rand16()
    167. 

  167. <a name="l00172"></a>00172 {
    168. 

  168. <a name="l00173"></a>00173     <span class="keywordflow">return</span> Rand32() &amp; 0xffff;
    169. 

  169. <a name="l00174"></a>00174 }
    170. 

  170. <a name="l00175"></a>00175 
    171. 

  171. <a name="l00176"></a>00176 
    172. 

  172. <a name="l00177"></a>00177 <span class="keywordtype">long</span> Rand8()
    173. 

  173. <a name="l00178"></a>00178 {
    174. 

  174. <a name="l00179"></a>00179     <span class="keywordflow">return</span> Rand32() &amp; 0xff;
    175. 

  175. <a name="l00180"></a>00180 }
    176. 

  176. <a name="l00181"></a>00181 
    177. 

  177. <a name="l00182"></a>00182 
    178. 

  178. <a name="l00184"></a>00184 
    179. 

  179. <a name="l00185"></a>00185 
    180. 

  180. <a name="l00186"></a>00186 <span class="preprocessor">#ifdef DOSOUND</span>
    181. 

  181. <a name="l00187"></a>00187 <span class="preprocessor"></span>
    182. 

  182. <a name="l00188"></a>00188 <span class="keyword">class </span>SoundEvent {
    183. 

  183. <a name="l00189"></a>00189     <span class="keywordtype">long</span> x;
    184. 

  184. <a name="l00190"></a>00190     <span class="keywordtype">long</span> y;
    185. 

  185. <a name="l00191"></a>00191     <span class="keywordtype">long</span> w;
    186. 

  186. <a name="l00192"></a>00192     <span class="keywordtype">long</span> h;
    187. 

  187. <a name="l00193"></a>00193     <span class="keywordtype">long</span> s;
    188. 

  188. <a name="l00194"></a>00194     <span class="keyword">static</span> std::vector&lt;SoundEvent&gt; queue;
    189. 

  189. <a name="l00195"></a>00195 
    190. 

  190. <a name="l00196"></a>00196 <span class="keyword">public</span>:
    191. 

  191. <a name="l00197"></a>00197 
    192. 

  192. <a name="l00198"></a>00198     SoundEvent(
    193. 

  193. <a name="l00199"></a>00199         <span class="keywordtype">long</span> xx,
    194. 

  194. <a name="l00200"></a>00200         <span class="keywordtype">long</span> yy,
    195. 

  195. <a name="l00201"></a>00201         <span class="keywordtype">long</span> ww,
    196. 

  196. <a name="l00202"></a>00202         <span class="keywordtype">long</span> hh,
    197. 

  197. <a name="l00203"></a>00203         <span class="keywordtype">long</span> ss) :
    198. 

  198. <a name="l00204"></a>00204         x(xx),
    199. 

  199. <a name="l00205"></a>00205         y(yy),
    200. 

  200. <a name="l00206"></a>00206         w(ww),
    201. 

  201. <a name="l00207"></a>00207         h(hh),
    202. 

  202. <a name="l00208"></a>00208         s(ss)
    203. 

  203. <a name="l00209"></a>00209     {
    204. 

  204. <a name="l00210"></a>00210     }
    205. 

  205. <a name="l00211"></a>00211 
    206. 

  206. <a name="l00212"></a>00212     SoundEvent();
    207. 

  207. <a name="l00213"></a>00213 
    208. 

  208. <a name="l00214"></a>00214     ~SoundEvent()
    209. 

  209. <a name="l00215"></a>00215     {
    210. 

  210. <a name="l00216"></a>00216     }
    211. 

  211. <a name="l00217"></a>00217 
    212. 

  212. <a name="l00218"></a>00218     <span class="keyword">static</span> <span class="keywordtype">void</span> Queue(
    213. 

  213. <a name="l00219"></a>00219         <span class="keywordtype">long</span> xx,
    214. 

  214. <a name="l00220"></a>00220         <span class="keywordtype">long</span> yy,
    215. 

  215. <a name="l00221"></a>00221         <span class="keywordtype">long</span> ww,
    216. 

  216. <a name="l00222"></a>00222         <span class="keywordtype">long</span> hh,
    217. 

  217. <a name="l00223"></a>00223         <span class="keywordtype">long</span> ss)
    218. 

  218. <a name="l00224"></a>00224     {
    219. 

  219. <a name="l00225"></a>00225         queue.push_back(
    220. 

  220. <a name="l00226"></a>00226             SoundEvent(
    221. 

  221. <a name="l00227"></a>00227                xx,
    222. 

  222. <a name="l00228"></a>00228                yy,
    223. 

  223. <a name="l00229"></a>00229                ww,
    224. 

  224. <a name="l00230"></a>00230                hh,
    225. 

  225. <a name="l00231"></a>00231                ss));
    226. 

  226. <a name="l00232"></a>00232     }
    227. 

  227. <a name="l00233"></a>00233 
    228. 

  228. <a name="l00234"></a>00234     <span class="keyword">static</span> <span class="keywordtype">void</span> ClearQueue()
    229. 

  229. <a name="l00235"></a>00235     {
    230. 

  230. <a name="l00236"></a>00236         queue.erase(
    231. 

  231. <a name="l00237"></a>00237             queue.begin(),
    232. 

  232. <a name="l00238"></a>00238             queue.end());
    233. 

  233. <a name="l00239"></a>00239     }
    234. 

  234. <a name="l00240"></a>00240 
    235. 

  235. <a name="l00241"></a>00241     <span class="keywordtype">void</span> Play(<span class="keywordtype">float</span> vol)
    236. 

  236. <a name="l00242"></a>00242     {
    237. 

  237. <a name="l00243"></a>00243         <span class="keywordtype">float</span> speed =
    238. 

  238. <a name="l00244"></a>00244             (float)0.2 +
    239. 

  239. <a name="l00245"></a>00245             (((<span class="keywordtype">float</span>)2.0 *
    240. 

  240. <a name="l00246"></a>00246               (<span class="keywordtype">float</span>)(h - y) /
    241. 

  241. <a name="l00247"></a>00247               (<span class="keywordtype">float</span>)h));
    242. 

  242. <a name="l00248"></a>00248         <span class="keywordtype">float</span> pan = ((float)2.0 *
    243. 

  243. <a name="l00249"></a>00249                      (<span class="keywordtype">float</span>)x /
    244. 

  244. <a name="l00250"></a>00250                      (float)w) - (float)1.0;
    245. 

  245. <a name="l00251"></a>00251 <span class="preprocessor">#ifdef TODO</span>
    246. 

  246. <a name="l00252"></a>00252 <span class="preprocessor"></span>        PlayWave(
    247. 

  247. <a name="l00253"></a>00253             s, <span class="comment">// wave#</span>
    248. 

  248. <a name="l00254"></a>00254             0, <span class="comment">// looping</span>
    249. 

  249. <a name="l00255"></a>00255             speed,
    250. 

  250. <a name="l00256"></a>00256             vol,
    251. 

  251. <a name="l00257"></a>00257             pan);
    252. 

  252. <a name="l00258"></a>00258 <span class="preprocessor">#endif</span>
    253. 

  253. <a name="l00259"></a>00259 <span class="preprocessor"></span>    }
    254. 

  254. <a name="l00260"></a>00260 
    255. 

  255. <a name="l00261"></a>00261     <span class="keyword">static</span> <span class="keywordtype">void</span> PlayReverse(<span class="keywordtype">float</span> vol)
    256. 

  256. <a name="l00262"></a>00262     {
    257. 

  257. <a name="l00263"></a>00263         <span class="keywordtype">int</span> count = queue.size();
    258. 

  258. <a name="l00264"></a>00264         <span class="keywordtype">int</span> i = count - 1;
    259. 

  259. <a name="l00265"></a>00265         <span class="keywordflow">while</span> (i &gt;= 0) {
    260. 

  260. <a name="l00266"></a>00266             <span class="keywordtype">long</span> r = Rand8();
    261. 

  261. <a name="l00267"></a>00267             <span class="keywordflow">if</span> ((count &lt; 10) ||
    262. 

  262. <a name="l00268"></a>00268                 ((r = Rand8()) &lt; 50)) {
    263. 

  263. <a name="l00269"></a>00269                 <span class="keywordflow">if</span> ((count &lt; 50) ||
    264. 

  264. <a name="l00270"></a>00270                     (r &lt; 10)) {
    265. 

  265. <a name="l00271"></a>00271                     queue[i].Play(vol);
    266. 

  266. <a name="l00272"></a>00272                 } <span class="comment">// if</span>
    267. 

  267. <a name="l00273"></a>00273             } <span class="comment">// if</span>
    268. 

  268. <a name="l00274"></a>00274 
    269. 

  269. <a name="l00275"></a>00275             i--;
    270. 

  270. <a name="l00276"></a>00276         } <span class="comment">// while</span>
    271. 

  271. <a name="l00277"></a>00277 
    272. 

  272. <a name="l00278"></a>00278     }
    273. 

  273. <a name="l00279"></a>00279 
    274. 

  274. <a name="l00280"></a>00280     <span class="keyword">static</span> <span class="keywordtype">void</span> PlayQueue()
    275. 

  275. <a name="l00281"></a>00281     {
    276. 

  276. <a name="l00282"></a>00282         <span class="keywordflow">if</span> (queue.size() &gt; 0) {
    277. 

  277. <a name="l00283"></a>00283             <span class="keywordtype">float</span> vol = (float)0.75 +
    278. 

  278. <a name="l00284"></a>00284                         ((<span class="keywordtype">float</span>)0.25 *
    279. 

  279. <a name="l00285"></a>00285                          (float)sqrt((<span class="keywordtype">float</span>)1.0 / queue.size()));
    280. 

  280. <a name="l00286"></a>00286             PlayReverse(vol);
    281. 

  281. <a name="l00287"></a>00287             ClearQueue();
    282. 

  282. <a name="l00288"></a>00288         }
    283. 

  283. <a name="l00289"></a>00289     }
    284. 

  284. <a name="l00290"></a>00290 };
    285. 

  285. <a name="l00291"></a>00291 
    286. 

  286. <a name="l00292"></a>00292 std::vector&lt;SoundEvent&gt; SoundEvent::queue;
    287. 

  287. <a name="l00293"></a>00293 
    288. 

  288. <a name="l00294"></a>00294 <span class="preprocessor">#endif</span>
    289. 

  289. <a name="l00295"></a>00295 <span class="preprocessor"></span>
    290. 

  290. <a name="l00296"></a>00296 
    291. 

  291. <a name="l00298"></a>00298 
    292. 

  292. <a name="l00299"></a>00299 
    293. 

  293. <a name="l00300"></a>00300 CellEngine::CellEngine()
    294. 

  294. <a name="l00301"></a>00301 {
    295. 

  295. <a name="l00302"></a>00302     Init();
    296. 

  296. <a name="l00303"></a>00303 }
    297. 

  297. <a name="l00304"></a>00304 
    298. 

  298. <a name="l00305"></a>00305 
    299. 

  299. <a name="l00306"></a>00306 <span class="keywordtype">void</span> CellEngine::Init()
    300. 

  300. <a name="l00307"></a>00307 {
    301. 

  301. <a name="l00308"></a>00308     name = <span class="stringliteral">""</span>;
    302. 

  302. <a name="l00309"></a>00309     screenMem = NULL;
    303. 

  303. <a name="l00310"></a>00310     screenWidth = 0;
    304. 

  304. <a name="l00311"></a>00311     screenHeight = 0;
    305. 

  305. <a name="l00312"></a>00312     screenRowBytes = 0;
    306. 

  306. <a name="l00313"></a>00313     backMem = NULL;
    307. 

  307. <a name="l00314"></a>00314     backSize = 0;
    308. 

  308. <a name="l00315"></a>00315     backRowBytes = 0;
    309. 

  309. <a name="l00316"></a>00316     backWidth = 0;
    310. 

  310. <a name="l00317"></a>00317     backHeight = 0;
    311. 

  311. <a name="l00318"></a>00318     backBorder = 2;
    312. 

  312. <a name="l00319"></a>00319     frontMem = NULL;
    313. 

  313. <a name="l00320"></a>00320     maskMem = NULL;
    314. 

  314. <a name="l00321"></a>00321     maskRowBytes = 0;
    315. 

  315. <a name="l00322"></a>00322     maskWidth = 0;
    316. 

  316. <a name="l00323"></a>00323     maskHeight = 0;
    317. 

  317. <a name="l00324"></a>00324     masked = 0;
    318. 

  318. <a name="l00325"></a>00325     neighborhood = 33; <span class="comment">// garble</span>
    319. 

  319. <a name="l00326"></a>00326     rule = NULL;
    320. 

  320. <a name="l00327"></a>00327     ruleStatic = 0;
    321. 

  321. <a name="l00328"></a>00328     ruleSize = 0;
    322. 

  322. <a name="l00329"></a>00329     ruleName = NULL;
    323. 

  323. <a name="l00330"></a>00330     x = 0;
    324. 

  324. <a name="l00331"></a>00331     y = 0;
    325. 

  325. <a name="l00332"></a>00332     dx = 0;
    326. 

  326. <a name="l00333"></a>00333     dy = 0;
    327. 

  327. <a name="l00334"></a>00334     width = 0;
    328. 

  328. <a name="l00335"></a>00335     height = 0;
    329. 

  329. <a name="l00336"></a>00336     idealWidth = 0;
    330. 

  330. <a name="l00337"></a>00337     idealHeight = 0;
    331. 

  331. <a name="l00338"></a>00338     phase = 0;
    332. 

  332. <a name="l00339"></a>00339     ticks = 0;
    333. 

  333. <a name="l00340"></a>00340     wrap = 5;
    334. 

  334. <a name="l00341"></a>00341     steps = 1;
    335. 

  335. <a name="l00342"></a>00342     frob = -1;
    336. 

  336. <a name="l00343"></a>00343     rumble = 0;
    337. 

  337. <a name="l00344"></a>00344     rumblemax = 0;
    338. 

  338. <a name="l00345"></a>00345     hubba = 0;
    339. 

  339. <a name="l00346"></a>00346     inflation = 0;
    340. 

  340. <a name="l00347"></a>00347     high = 255;
    341. 

  341. <a name="l00348"></a>00348     low = 0;
    342. 

  342. <a name="l00349"></a>00349     maskClip = 0;
    343. 

  343. <a name="l00350"></a>00350     moveImage = 0;
    344. 

  344. <a name="l00351"></a>00351     numbera = 0;
    345. 

  345. <a name="l00352"></a>00352     numberb = 0;
    346. 

  346. <a name="l00353"></a>00353     numberc = 0;
    347. 

  347. <a name="l00354"></a>00354     anglea = 0;
    348. 

  348. <a name="l00355"></a>00355     angleb = 0;
    349. 

  349. <a name="l00356"></a>00356     anglec = 0;
    350. 

  350. <a name="l00357"></a>00357     pointax = 0;
    351. 

  351. <a name="l00358"></a>00358     pointay = 0;
    352. 

  352. <a name="l00359"></a>00359     pointbx = 0;
    353. 

  353. <a name="l00360"></a>00360     pointby = 0;
    354. 

  354. <a name="l00361"></a>00361     pointcx = 0;
    355. 

  355. <a name="l00362"></a>00362     pointcy = 0;
    356. 

  356. <a name="l00363"></a>00363     clipRects = 0;
    357. 

  357. <a name="l00364"></a>00364     rectList = NULL;
    358. 

  358. <a name="l00365"></a>00365     skips = 0;
    359. 

  359. <a name="l00366"></a>00366     skip = 0;
    360. 

  360. <a name="l00367"></a>00367     total = 0;
    361. 

  361. <a name="l00368"></a>00368     tracking = 0;
    362. 

  362. <a name="l00369"></a>00369     action = 8 + 2;
    363. 

  363. <a name="l00370"></a>00370     downx = 0;
    364. 

  364. <a name="l00371"></a>00371     downy = 0;
    365. 

  365. <a name="l00372"></a>00372     grabx = 0;
    366. 

  366. <a name="l00373"></a>00373     graby = 0;
    367. 

  367. <a name="l00374"></a>00374     lastx = 0;
    368. 

  368. <a name="l00375"></a>00375     lasty = 0;
    369. 

  369. <a name="l00376"></a>00376     saveskips = 0;
    370. 

  370. <a name="l00377"></a>00377     still = 0;
    371. 

  371. <a name="l00378"></a>00378     gravx = 0;
    372. 

  372. <a name="l00379"></a>00379     gravy = 0;
    373. 

  373. <a name="l00380"></a>00380     grabbable = 1;
    374. 

  374. <a name="l00381"></a>00381     data = NULL;
    375. 

  375. <a name="l00382"></a>00382 
    376. 

  376. <a name="l00383"></a>00383     SetSize(16, 16);
    377. 

  377. <a name="l00384"></a>00384 }
    378. 

  378. <a name="l00385"></a>00385 
    379. 

  379. <a name="l00386"></a>00386 
    380. 

  380. <a name="l00387"></a>00387 CellEngine::~CellEngine()
    381. 

  381. <a name="l00388"></a>00388 {
    382. 

  382. <a name="l00389"></a>00389     <span class="keywordflow">if</span> (backMem != NULL) {
    383. 

  383. <a name="l00390"></a>00390         <span class="keyword">delete</span> [] backMem;
    384. 

  384. <a name="l00391"></a>00391         backMem = NULL;
    385. 

  385. <a name="l00392"></a>00392     }
    386. 

  386. <a name="l00393"></a>00393 
    387. 

  387. <a name="l00394"></a>00394 <span class="preprocessor">#if 0</span>
    388. 

  388. <a name="l00395"></a>00395 <span class="preprocessor"></span>    <span class="keywordflow">if</span> (maskMem != NULL) {
    389. 

  389. <a name="l00396"></a>00396         <span class="keyword">delete</span> [] maskMem;
    390. 

  390. <a name="l00397"></a>00397         maskMem = NULL;
    391. 

  391. <a name="l00398"></a>00398     }
    392. 

  392. <a name="l00399"></a>00399 <span class="preprocessor">#endif</span>
    393. 

  393. <a name="l00400"></a>00400 <span class="preprocessor"></span>
    394. 

  394. <a name="l00401"></a>00401     <span class="keywordflow">if</span> ((rule != NULL) &amp;&amp;
    395. 

  395. <a name="l00402"></a>00402         (!ruleStatic)) {
    396. 

  396. <a name="l00403"></a>00403         <span class="keyword">delete</span> [] rule;
    397. 

  397. <a name="l00404"></a>00404         rule = NULL;
    398. 

  398. <a name="l00405"></a>00405     }
    399. 

  399. <a name="l00406"></a>00406 
    400. 

  400. <a name="l00407"></a>00407     <span class="keywordflow">if</span> (ruleName != NULL) {
    401. 

  401. <a name="l00408"></a>00408         <span class="keyword">delete</span> [] ruleName;
    402. 

  402. <a name="l00409"></a>00409         ruleName = NULL;
    403. 

  403. <a name="l00410"></a>00410     }
    404. 

  404. <a name="l00411"></a>00411 
    405. 

  405. <a name="l00412"></a>00412     <span class="keywordflow">if</span> (rectList != NULL) {
    406. 

  406. <a name="l00413"></a>00413         <span class="keyword">delete</span> [] rectList;
    407. 

  407. <a name="l00414"></a>00414         rectList = NULL;
    408. 

  408. <a name="l00415"></a>00415     }
    409. 

  409. <a name="l00416"></a>00416 
    410. 

  410. <a name="l00417"></a>00417     <span class="keywordflow">if</span> (screenMem != NULL) {
    411. 

  411. <a name="l00418"></a>00418         <span class="keyword">delete</span> [] screenMem;
    412. 

  412. <a name="l00419"></a>00419         screenMem = NULL;
    413. 

  413. <a name="l00420"></a>00420     }
    414. 

  414. <a name="l00421"></a>00421 
    415. 

  415. <a name="l00422"></a>00422 }
    416. 

  416. <a name="l00423"></a>00423 
    417. 

  417. <a name="l00424"></a>00424 
    418. 

  418. <a name="l00425"></a>00425 <span class="keywordtype">void</span> CellEngine::InitScreen(
    419. 

  419. <a name="l00426"></a>00426     <span class="keywordtype">long</span> ww,
    420. 

  420. <a name="l00427"></a>00427     <span class="keywordtype">long</span> hh)
    421. 

  421. <a name="l00428"></a>00428 {
    422. 

  422. <a name="l00429"></a>00429     <span class="keywordflow">if</span> (screenMem != NULL) {
    423. 

  423. <a name="l00430"></a>00430         <span class="keyword">delete</span> [] screenMem;
    424. 

  424. <a name="l00431"></a>00431     }
    425. 

  425. <a name="l00432"></a>00432 
    426. 

  426. <a name="l00433"></a>00433     screenWidth = ww;
    427. 

  427. <a name="l00434"></a>00434     screenHeight = hh;
    428. 

  428. <a name="l00435"></a>00435     screenRowBytes = (ww + 3) &amp; ~3;
    429. 

  429. <a name="l00436"></a>00436     screenMem = <span class="keyword">new</span> Byte[screenRowBytes * screenHeight];
    430. 

  430. <a name="l00437"></a>00437 
    431. 

  431. <a name="l00438"></a>00438     SetPos(0, 0);
    432. 

  432. <a name="l00439"></a>00439 }
    433. 

  433. <a name="l00440"></a>00440 
    434. 

  434. <a name="l00441"></a>00441 
    435. 

  435. <a name="l00442"></a>00442 <span class="keywordtype">void</span> CellEngine::SetRect(
    436. 

  436. <a name="l00443"></a>00443     <span class="keywordtype">long</span> xx,
    437. 

  437. <a name="l00444"></a>00444     <span class="keywordtype">long</span> yy,
    438. 

  438. <a name="l00445"></a>00445     <span class="keywordtype">long</span> ww,
    439. 

  439. <a name="l00446"></a>00446     <span class="keywordtype">long</span> hh)
    440. 

  440. <a name="l00447"></a>00447 {
    441. 

  441. <a name="l00448"></a>00448     <span class="keywordtype">long</span> w2;
    442. 

  442. <a name="l00449"></a>00449     <span class="keywordtype">long</span> h2;
    443. 

  443. <a name="l00450"></a>00450     <span class="keywordtype">long</span> rb;
    444. 

  444. <a name="l00451"></a>00451     <span class="keywordtype">long</span> size;
    445. 

  445. <a name="l00452"></a>00452 
    446. 

  446. <a name="l00453"></a>00453     idealWidth = ww;
    447. 

  447. <a name="l00454"></a>00454     idealHeight = hh;
    448. 

  448. <a name="l00455"></a>00455     ww = (ww + 3) &amp; ~3;
    449. 

  449. <a name="l00456"></a>00456 
    450. 

  450. <a name="l00457"></a>00457     w2 = backBorder + ww + backBorder;
    451. 

  451. <a name="l00458"></a>00458     h2 = backBorder + hh + backBorder;
    452. 

  452. <a name="l00459"></a>00459     rb = (w2 + 3) &amp; (~3);
    453. 

  453. <a name="l00460"></a>00460     size = (rb * h2);
    454. 

  454. <a name="l00461"></a>00461 
    455. 

  455. <a name="l00462"></a>00462     <span class="keywordflow">if</span> ((backMem == NULL) ||
    456. 

  456. <a name="l00463"></a>00463         (backSize &lt; size)) {
    457. 

  457. <a name="l00464"></a>00464 
    458. 

  458. <a name="l00465"></a>00465         <span class="keywordflow">if</span> (backMem != NULL) {
    459. 

  459. <a name="l00466"></a>00466             <span class="keyword">delete</span> [] backMem;
    460. 

  460. <a name="l00467"></a>00467         }
    461. 

  461. <a name="l00468"></a>00468 
    462. 

  462. <a name="l00469"></a>00469         <span class="comment">// inflate the size a bit if this isn't the first allocation</span>
    463. 

  463. <a name="l00470"></a>00470         <span class="keywordflow">if</span> (backSize != 0) {
    464. 

  464. <a name="l00471"></a>00471             size = (12 * size) / 10;
    465. 

  465. <a name="l00472"></a>00472         }
    466. 

  466. <a name="l00473"></a>00473 
    467. 

  467. <a name="l00474"></a>00474         backSize = size;
    468. 

  468. <a name="l00475"></a>00475         backMem = <span class="keyword">new</span> Byte[size];
    469. 

  469. <a name="l00476"></a>00476     }
    470. 

  470. <a name="l00477"></a>00477 
    471. 

  471. <a name="l00478"></a>00478     width = ww;
    472. 

  472. <a name="l00479"></a>00479     height = hh;
    473. 

  473. <a name="l00480"></a>00480     backWidth = w2;
    474. 

  474. <a name="l00481"></a>00481     backHeight = h2;
    475. 

  475. <a name="l00482"></a>00482     backRowBytes = rb;
    476. 

  476. <a name="l00483"></a>00483     SetPos(xx, yy);
    477. 

  477. <a name="l00484"></a>00484 }
    478. 

  478. <a name="l00485"></a>00485 
    479. 

  479. <a name="l00486"></a>00486 
    480. 

  480. <a name="l00487"></a>00487 <span class="keywordtype">void</span> CellEngine::SetPos(
    481. 

  481. <a name="l00488"></a>00488     <span class="keywordtype">long</span> xx,
    482. 

  482. <a name="l00489"></a>00489     <span class="keywordtype">long</span> yy)
    483. 

  483. <a name="l00490"></a>00490 {
    484. 

  484. <a name="l00491"></a>00491     x = xx;
    485. 

  485. <a name="l00492"></a>00492     y = yy;
    486. 

  486. <a name="l00493"></a>00493     frontMem =
    487. 

  487. <a name="l00494"></a>00494         screenMem +
    488. 

  488. <a name="l00495"></a>00495         xx +
    489. 

  489. <a name="l00496"></a>00496         (screenRowBytes * yy);
    490. 

  490. <a name="l00497"></a>00497 }
    491. 

  491. <a name="l00498"></a>00498 
    492. 

  492. <a name="l00499"></a>00499 
    493. 

  493. <a name="l00500"></a>00500 <span class="keywordtype">void</span> CellEngine::SetSize(
    494. 

  494. <a name="l00501"></a>00501     <span class="keywordtype">long</span> ww,
    495. 

  495. <a name="l00502"></a>00502     <span class="keywordtype">long</span> hh)
    496. 

  496. <a name="l00503"></a>00503 {
    497. 

  497. <a name="l00504"></a>00504     SetRect(x, y, ww, hh);
    498. 

  498. <a name="l00505"></a>00505 }
    499. 

  499. <a name="l00506"></a>00506 
    500. 

  500. <a name="l00507"></a>00507 
    501. 

  501. <a name="l00508"></a>00508 <span class="keywordtype">void</span> CellEngine::ForceOnScreen()
    502. 

  502. <a name="l00509"></a>00509 {
    503. 

  503. <a name="l00510"></a>00510     <span class="keywordtype">int</span> hangout;
    504. 

  504. <a name="l00511"></a>00511     <span class="keywordtype">int</span> xx = x;
    505. 

  505. <a name="l00512"></a>00512     <span class="keywordtype">int</span> yy = y;
    506. 

  506. <a name="l00513"></a>00513     <span class="keywordtype">int</span> ww = idealWidth;
    507. 

  507. <a name="l00514"></a>00514     <span class="keywordtype">int</span> hh = idealHeight;
    508. 

  508. <a name="l00515"></a>00515     <span class="keywordtype">int</span> ww2 = width;
    509. 

  509. <a name="l00516"></a>00516     <span class="keywordtype">int</span> hh2 = height;
    510. 

  510. <a name="l00517"></a>00517 
    511. 

  511. <a name="l00518"></a>00518     hangout = (xx + ww2) - screenWidth;
    512. 

  512. <a name="l00519"></a>00519     <span class="keywordflow">if</span> (hangout &gt; 0) {
    513. 

  513. <a name="l00520"></a>00520         xx -= hangout;
    514. 

  514. <a name="l00521"></a>00521     }
    515. 

  515. <a name="l00522"></a>00522     hangout = (yy + hh2) - screenHeight;
    516. 

  516. <a name="l00523"></a>00523     <span class="keywordflow">if</span> (hangout &gt; 0) {
    517. 

  517. <a name="l00524"></a>00524         yy -= hangout;
    518. 

  518. <a name="l00525"></a>00525     }
    519. 

  519. <a name="l00526"></a>00526     hangout = -xx;
    520. 

  520. <a name="l00527"></a>00527     <span class="keywordflow">if</span> (hangout &gt; 0) {
    521. 

  521. <a name="l00528"></a>00528         xx += hangout;
    522. 

  522. <a name="l00529"></a>00529     }
    523. 

  523. <a name="l00530"></a>00530     hangout = -yy;
    524. 

  524. <a name="l00531"></a>00531     <span class="keywordflow">if</span> (hangout &gt; 0) {
    525. 

  525. <a name="l00532"></a>00532         yy -= hangout;
    526. 

  526. <a name="l00533"></a>00533     }
    527. 

  527. <a name="l00534"></a>00534     <span class="keywordflow">if</span> ((xx + ww2) &gt; screenWidth) {
    528. 

  528. <a name="l00535"></a>00535         ww = screenWidth - xx;
    529. 

  529. <a name="l00536"></a>00536     }
    530. 

  530. <a name="l00537"></a>00537     <span class="keywordflow">if</span> ((yy + hh2) &gt; screenHeight) {
    531. 

  531. <a name="l00538"></a>00538         hh = screenHeight - yy;
    532. 

  532. <a name="l00539"></a>00539     }
    533. 

  533. <a name="l00540"></a>00540 
    534. 

  534. <a name="l00541"></a>00541     SetRect(xx, yy, ww, hh);
    535. 

  535. <a name="l00542"></a>00542 }
    536. 

  536. <a name="l00543"></a>00543 
    537. 

  537. <a name="l00544"></a>00544 
    538. 

  538. <a name="l00545"></a>00545 <span class="keywordtype">long</span> CellEngine::OnScreen()
    539. 

  539. <a name="l00546"></a>00546 {
    540. 

  540. <a name="l00547"></a>00547     <span class="keywordflow">return</span> ((screenMem != NULL) &amp;&amp;
    541. 

  541. <a name="l00548"></a>00548             (x &gt;= 0) &amp;&amp;
    542. 

  542. <a name="l00549"></a>00549             (y &gt;= 0) &amp;&amp;
    543. 

  543. <a name="l00550"></a>00550             ((x + width) &lt;= screenWidth) &amp;&amp;
    544. 

  544. <a name="l00551"></a>00551             ((y + height) &lt;= screenHeight));
    545. 

  545. <a name="l00552"></a>00552 }
    546. 

  546. <a name="l00553"></a>00553 
    547. 

  547. <a name="l00554"></a>00554 
    548. 

  548. <a name="l00555"></a>00555 <span class="keywordtype">void</span> CellEngine::Garble()
    549. 

  549. <a name="l00556"></a>00556 {
    550. 

  550. <a name="l00557"></a>00557 
    551. 

  551. <a name="l00558"></a>00558     <span class="keywordflow">if</span> (!OnScreen()) {
    552. 

  552. <a name="l00559"></a>00559         <span class="keywordflow">return</span>;
    553. 

  553. <a name="l00560"></a>00560     }
    554. 

  554. <a name="l00561"></a>00561 
    555. 

  555. <a name="l00562"></a>00562     <span class="keywordtype">long</span> xx, yy;
    556. 

  556. <a name="l00563"></a>00563     Byte *image = frontMem;
    557. 

  557. <a name="l00564"></a>00564 
    558. 

  558. <a name="l00565"></a>00565     <span class="keywordflow">for</span> (yy = 0;
    559. 

  559. <a name="l00566"></a>00566          yy &lt; height;
    560. 

  560. <a name="l00567"></a>00567          yy++, image += screenRowBytes) {
    561. 

  561. <a name="l00568"></a>00568         <span class="keywordflow">for</span> (xx = 0;
    562. 

  562. <a name="l00569"></a>00569              xx &lt; width;
    563. 

  563. <a name="l00570"></a>00570              xx++) {
    564. 

  564. <a name="l00571"></a>00571             image[xx] ^= (char)(Rand16() &gt;&gt; 4);
    565. 

  565. <a name="l00572"></a>00572         }
    566. 

  566. <a name="l00573"></a>00573     }
    567. 

  567. <a name="l00574"></a>00574 }
    568. 

  568. <a name="l00575"></a>00575 
    569. 

  569. <a name="l00576"></a>00576 
    570. 

  570. <a name="l00577"></a>00577 <span class="keywordtype">void</span> CellEngine::GarbleRect(
    571. 

  571. <a name="l00578"></a>00578     <span class="keywordtype">long</span> xx,
    572. 

  572. <a name="l00579"></a>00579     <span class="keywordtype">long</span> yy,
    573. 

  573. <a name="l00580"></a>00580     <span class="keywordtype">long</span> ww,
    574. 

  574. <a name="l00581"></a>00581     <span class="keywordtype">long</span> hh)
    575. 

  575. <a name="l00582"></a>00582 {
    576. 

  576. <a name="l00583"></a>00583     Byte *image;
    577. 

  577. <a name="l00584"></a>00584     <span class="keywordtype">long</span> x0, y0, x1, y1;
    578. 

  578. <a name="l00585"></a>00585 
    579. 

  579. <a name="l00586"></a>00586     <span class="keywordflow">if</span> (!OnScreen()) {
    580. 

  580. <a name="l00587"></a>00587         <span class="keywordflow">return</span>;
    581. 

  581. <a name="l00588"></a>00588     }
    582. 

  582. <a name="l00589"></a>00589 
    583. 

  583. <a name="l00590"></a>00590     <span class="keywordflow">if</span> (xx &lt; 0) x0 = 0; <span class="keywordflow">else</span> x0 = xx;
    584. 

  584. <a name="l00591"></a>00591     <span class="keywordflow">if</span> (yy &lt; 0) y0 = 0; <span class="keywordflow">else</span> y0 = yy;
    585. 

  585. <a name="l00592"></a>00592     <span class="keywordflow">if</span> (xx + ww &gt; width) x1 = width; <span class="keywordflow">else</span> x1 = xx + ww;
    586. 

  586. <a name="l00593"></a>00593     <span class="keywordflow">if</span> (yy + hh &gt; height) y1 = height; <span class="keywordflow">else</span> y1 = yy + ww;
    587. 

  587. <a name="l00594"></a>00594 
    588. 

  588. <a name="l00595"></a>00595     <span class="keywordflow">if</span> ((x0 &lt; x1) &amp;&amp; (y0 &lt; y1)) {
    589. 

  589. <a name="l00596"></a>00596         image = frontMem;
    590. 

  590. <a name="l00597"></a>00597 
    591. 

  591. <a name="l00598"></a>00598         <span class="keywordflow">for</span> (yy = y0;
    592. 

  592. <a name="l00599"></a>00599              yy &lt; y1;
    593. 

  593. <a name="l00600"></a>00600              yy++, image += screenRowBytes) {
    594. 

  594. <a name="l00601"></a>00601             <span class="keywordflow">for</span> (xx = x0;
    595. 

  595. <a name="l00602"></a>00602                  xx &lt; x1;
    596. 

  596. <a name="l00603"></a>00603                  xx++) {
    597. 

  597. <a name="l00604"></a>00604                 image[xx] ^= (char)(Rand16() &gt;&gt; 4);
    598. 

  598. <a name="l00605"></a>00605             }
    599. 

  599. <a name="l00606"></a>00606         }
    600. 

  600. <a name="l00607"></a>00607     }
    601. 

  601. <a name="l00608"></a>00608 }
    602. 

  602. <a name="l00609"></a>00609 
    603. 

  603. <a name="l00610"></a>00610 
    604. 

  604. <a name="l00611"></a>00611 <span class="keywordtype">void</span> CellEngine::Fill(
    605. 

  605. <a name="l00612"></a>00612     Byte c)
    606. 

  606. <a name="l00613"></a>00613 {
    607. 

  607. <a name="l00614"></a>00614     <span class="keywordflow">if</span> (!OnScreen()) {
    608. 

  608. <a name="l00615"></a>00615         <span class="keywordflow">return</span>;
    609. 

  609. <a name="l00616"></a>00616     }
    610. 

  610. <a name="l00617"></a>00617 
    611. 

  611. <a name="l00618"></a>00618     Byte *image = frontMem;
    612. 

  612. <a name="l00619"></a>00619 
    613. 

  613. <a name="l00620"></a>00620     <span class="keywordtype">long</span> yy;
    614. 

  614. <a name="l00621"></a>00621     <span class="keywordflow">for</span> (yy = 0;
    615. 

  615. <a name="l00622"></a>00622          yy &lt; height;
    616. 

  616. <a name="l00623"></a>00623          yy++, image += screenRowBytes) {
    617. 

  617. <a name="l00624"></a>00624         <span class="keywordtype">long</span> xx;
    618. 

  618. <a name="l00625"></a>00625         <span class="keywordflow">for</span> (xx = 0;
    619. 

  619. <a name="l00626"></a>00626              xx &lt; width;
    620. 

  620. <a name="l00627"></a>00627              xx++) {
    621. 

  621. <a name="l00628"></a>00628             image[xx] = c;
    622. 

  622. <a name="l00629"></a>00629         }
    623. 

  623. <a name="l00630"></a>00630     }
    624. 

  624. <a name="l00631"></a>00631 }
    625. 

  625. <a name="l00632"></a>00632 
    626. 

  626. <a name="l00633"></a>00633 
    627. 

  627. <a name="l00634"></a>00634 <span class="keywordtype">void</span> CellEngine::FillRect(
    628. 

  628. <a name="l00635"></a>00635     Byte c,
    629. 

  629. <a name="l00636"></a>00636     <span class="keywordtype">long</span> xx,
    630. 

  630. <a name="l00637"></a>00637     <span class="keywordtype">long</span> yy,
    631. 

  631. <a name="l00638"></a>00638     <span class="keywordtype">long</span> ww,
    632. 

  632. <a name="l00639"></a>00639     <span class="keywordtype">long</span> hh)
    633. 

  633. <a name="l00640"></a>00640 {
    634. 

  634. <a name="l00641"></a>00641     Byte *image;
    635. 

  635. <a name="l00642"></a>00642     <span class="keywordtype">long</span> x0, y0, x1, y1;
    636. 

  636. <a name="l00643"></a>00643 
    637. 

  637. <a name="l00644"></a>00644     <span class="keywordflow">if</span> (!OnScreen()) {
    638. 

  638. <a name="l00645"></a>00645         <span class="keywordflow">return</span>;
    639. 

  639. <a name="l00646"></a>00646     }
    640. 

  640. <a name="l00647"></a>00647 
    641. 

  641. <a name="l00648"></a>00648     <span class="keywordflow">if</span> (xx &lt; 0) x0 = 0; <span class="keywordflow">else</span> x0 = xx;
    642. 

  642. <a name="l00649"></a>00649     <span class="keywordflow">if</span> (yy &lt; 0) y0 = 0; <span class="keywordflow">else</span> y0 = yy;
    643. 

  643. <a name="l00650"></a>00650     <span class="keywordflow">if</span> (xx + ww &gt; width) x1 = width; <span class="keywordflow">else</span> x1 = xx + ww;
    644. 

  644. <a name="l00651"></a>00651     <span class="keywordflow">if</span> (yy + hh &gt; height) y1 = height; <span class="keywordflow">else</span> y1 = yy + ww;
    645. 

  645. <a name="l00652"></a>00652 
    646. 

  646. <a name="l00653"></a>00653     <span class="keywordflow">if</span> ((x0 &lt; x1) &amp;&amp; (y0 &lt; y1)) {
    647. 

  647. <a name="l00654"></a>00654         image = frontMem;
    648. 

  648. <a name="l00655"></a>00655 
    649. 

  649. <a name="l00656"></a>00656         <span class="keywordflow">for</span> (yy = y0;
    650. 

  650. <a name="l00657"></a>00657              yy &lt; y1;
    651. 

  651. <a name="l00658"></a>00658              yy++, image += screenRowBytes) {
    652. 

  652. <a name="l00659"></a>00659             <span class="keywordflow">for</span> (xx = x0;
    653. 

  653. <a name="l00660"></a>00660                  xx &lt; x1;
    654. 

  654. <a name="l00661"></a>00661                  xx++) {
    655. 

  655. <a name="l00662"></a>00662                 image[xx] = c;
    656. 

  656. <a name="l00663"></a>00663             }
    657. 

  657. <a name="l00664"></a>00664         }
    658. 

  658. <a name="l00665"></a>00665     }
    659. 

  659. <a name="l00666"></a>00666 }
    660. 

  660. <a name="l00667"></a>00667 
    661. 

  661. <a name="l00668"></a>00668 
    662. 

  662. <a name="l00669"></a>00669 <span class="keywordtype">void</span> CellEngine::ResetMask()
    663. 

  663. <a name="l00670"></a>00670 {
    664. 

  664. <a name="l00671"></a>00671     <span class="keywordflow">if</span> (masked) {
    665. 

  665. <a name="l00672"></a>00672         <span class="keywordflow">if</span> (maskMem != NULL) {
    666. 

  666. <a name="l00673"></a>00673             maskMem = NULL;
    667. 

  667. <a name="l00674"></a>00674         } <span class="comment">// if</span>
    668. 

  668. <a name="l00675"></a>00675         maskWidth = 0;
    669. 

  669. <a name="l00676"></a>00676         maskHeight = 0;
    670. 

  670. <a name="l00677"></a>00677         maskRowBytes = 0;
    671. 

  671. <a name="l00678"></a>00678     } <span class="comment">// if</span>
    672. 

  672. <a name="l00679"></a>00679     masked = 0;
    673. 

  673. <a name="l00680"></a>00680     UpdateClip();
    674. 

  674. <a name="l00681"></a>00681 }
    675. 

  675. <a name="l00682"></a>00682 
    676. 

  676. <a name="l00683"></a>00683 
    677. 

  677. <a name="l00684"></a>00684 <span class="keywordtype">void</span> CellEngine::SetMask(
    678. 

  678. <a name="l00685"></a>00685     <span class="keywordtype">long</span> ww,
    679. 

  679. <a name="l00686"></a>00686     <span class="keywordtype">long</span> hh,
    680. 

  680. <a name="l00687"></a>00687     Byte *data,
    681. 

  681. <a name="l00688"></a>00688     <span class="keywordtype">long</span> rb)
    682. 

  682. <a name="l00689"></a>00689 {
    683. 

  683. <a name="l00690"></a>00690     maskMem = data;
    684. 

  684. <a name="l00691"></a>00691     maskRowBytes = rb;
    685. 

  685. <a name="l00692"></a>00692     maskWidth = ww;
    686. 

  686. <a name="l00693"></a>00693     maskHeight = hh;
    687. 

  687. <a name="l00694"></a>00694     masked = 1;
    688. 

  688. <a name="l00695"></a>00695     UpdateClip();
    689. 

  689. <a name="l00696"></a>00696 }
    690. 

  690. <a name="l00697"></a>00697 
    691. 

  691. <a name="l00698"></a>00698 
    692. 

  692. <a name="l00699"></a>00699 <span class="keywordtype">void</span> CellEngine::UpdateClip()
    693. 

  693. <a name="l00700"></a>00700 {
    694. 

  694. <a name="l00701"></a>00701     <span class="keywordflow">if</span> (rectList != NULL) {
    695. 

  695. <a name="l00702"></a>00702         <span class="keyword">delete</span> [] rectList;
    696. 

  696. <a name="l00703"></a>00703         rectList = NULL;
    697. 

  697. <a name="l00704"></a>00704         clipRects = 0;
    698. 

  698. <a name="l00705"></a>00705     } <span class="comment">// if</span>
    699. 

  699. <a name="l00706"></a>00706 
    700. 

  700. <a name="l00707"></a>00707     <span class="keywordflow">if</span> (masked) {
    701. 

  701. <a name="l00708"></a>00708         Byte *mem = maskMem;
    702. 

  702. <a name="l00709"></a>00709         <span class="keywordtype">long</span> rectCount = 0;
    703. 

  703. <a name="l00710"></a>00710         <span class="keywordtype">long</span> rectBufSize = 256;
    704. 

  704. <a name="l00711"></a>00711         RECT *rects = <span class="keyword">new</span> RECT[rectBufSize];
    705. 

  705. <a name="l00712"></a>00712         RECT *r = NULL;
    706. 

  706. <a name="l00713"></a>00713         <span class="keywordtype">long</span> xx, yy;
    707. 

  707. <a name="l00714"></a>00714         <span class="keywordtype">long</span> curRect = -1;
    708. 

  708. <a name="l00715"></a>00715         <span class="keywordtype">long</span> aboveRect = -1;
    709. 

  709. <a name="l00716"></a>00716         <span class="keywordflow">for</span> (yy = 0; yy &lt; maskHeight; yy++) {
    710. 

  710. <a name="l00717"></a>00717             <span class="keywordtype">long</span> isInside = 0;
    711. 

  711. <a name="l00718"></a>00718             <span class="keywordtype">long</span> wasInside = 0;
    712. 

  712. <a name="l00719"></a>00719             <span class="keywordflow">for</span> (xx = 0; xx &lt; maskWidth; xx++) {
    713. 

  713. <a name="l00720"></a>00720                 <span class="keywordtype">long</span> pixel = mem[xx];
    714. 

  714. <a name="l00721"></a>00721                 isInside = pixel &gt; maskClip;
    715. 

  715. <a name="l00722"></a>00722                 <span class="keywordflow">if</span> (wasInside) {
    716. 

  716. <a name="l00723"></a>00723                     <span class="keywordflow">if</span> (! isInside) {
    717. 

  717. <a name="l00724"></a>00724                         r-&gt;right = xx;
    718. 

  718. <a name="l00725"></a>00725                         <span class="keywordflow">if</span> ((aboveRect != -1) &amp;&amp;
    719. 

  719. <a name="l00726"></a>00726                             (rects[aboveRect].right == xx)) {
    720. 

  720. <a name="l00727"></a>00727                             <span class="comment">// merge with rect above</span>
    721. 

  721. <a name="l00728"></a>00728                             rects[aboveRect].bottom = r-&gt;bottom;
    722. 

  722. <a name="l00729"></a>00729                             rectCount--;
    723. 

  723. <a name="l00730"></a>00730                         } <span class="comment">// if</span>
    724. 

  724. <a name="l00731"></a>00731                         wasInside = 0;
    725. 

  725. <a name="l00732"></a>00732                         curRect = -1;
    726. 

  726. <a name="l00733"></a>00733                         aboveRect = -1;
    727. 

  727. <a name="l00734"></a>00734                     } <span class="comment">// if (! isInside)</span>
    728. 

  728. <a name="l00735"></a>00735                 } <span class="keywordflow">else</span> { <span class="comment">// if (wasInside)</span>
    729. 

  729. <a name="l00736"></a>00736                     <span class="keywordflow">if</span> (isInside) {
    730. 

  730. <a name="l00737"></a>00737                         wasInside = 1;
    731. 

  731. <a name="l00738"></a>00738 
    732. 

  732. <a name="l00739"></a>00739                         curRect = rectCount++;
    733. 

  733. <a name="l00740"></a>00740 
    734. 

  734. <a name="l00741"></a>00741                         <span class="keywordflow">if</span> (rectCount &gt; rectBufSize) {
    735. 

  735. <a name="l00742"></a>00742                             <span class="keywordtype">long</span> i;
    736. 

  736. <a name="l00743"></a>00743                             RECT *newRects;
    737. 

  737. <a name="l00744"></a>00744 
    738. 

  738. <a name="l00745"></a>00745                             rectBufSize += 256;
    739. 

  739. <a name="l00746"></a>00746                             newRects = <span class="keyword">new</span> RECT[rectBufSize];
    740. 

  740. <a name="l00747"></a>00747                             <span class="keywordflow">for</span> (i = 0; i &lt; curRect; i++) {
    741. 

  741. <a name="l00748"></a>00748                                 newRects[i] = rects[i];
    742. 

  742. <a name="l00749"></a>00749                             } <span class="comment">// for</span>
    743. 

  743. <a name="l00750"></a>00750                             <span class="keyword">delete</span> [] rects;
    744. 

  744. <a name="l00751"></a>00751                             rects = newRects;
    745. 

  745. <a name="l00752"></a>00752                         } <span class="comment">// if (rectCount &gt; rectBufSize)</span>
    746. 

  746. <a name="l00753"></a>00753 
    747. 

  747. <a name="l00754"></a>00754                         r = &amp;rects[curRect];
    748. 

  748. <a name="l00755"></a>00755                         r-&gt;left = xx;
    749. 

  749. <a name="l00756"></a>00756                         r-&gt;top = yy;
    750. 

  750. <a name="l00757"></a>00757                         r-&gt;right = xx + 1;
    751. 

  751. <a name="l00758"></a>00758                         r-&gt;bottom = yy + 1;
    752. 

  752. <a name="l00759"></a>00759 
    753. 

  753. <a name="l00760"></a>00760                         aboveRect = -1;
    754. 

  754. <a name="l00761"></a>00761 
    755. 

  755. <a name="l00762"></a>00762                         {   <span class="keywordtype">long</span> i;
    756. 

  756. <a name="l00763"></a>00763                             <span class="keywordflow">for</span> (i = 0; i &lt; curRect; i++) {
    757. 

  757. <a name="l00764"></a>00764                                 RECT *ra = &amp;rects[i];
    758. 

  758. <a name="l00765"></a>00765                                 <span class="keywordflow">if</span> ((ra-&gt;left == xx) &amp;&amp;
    759. 

  759. <a name="l00766"></a>00766                                     (ra-&gt;bottom == yy)) {
    760. 

  760. <a name="l00767"></a>00767                                     aboveRect = i;
    761. 

  761. <a name="l00768"></a>00768                                     <span class="keywordflow">break</span>;
    762. 

  762. <a name="l00769"></a>00769                                 } <span class="comment">// if</span>
    763. 

  763. <a name="l00770"></a>00770                             } <span class="comment">// for i</span>
    764. 

  764. <a name="l00771"></a>00771                         }
    765. 

  765. <a name="l00772"></a>00772                     } <span class="comment">// if (isInside)</span>
    766. 

  766. <a name="l00773"></a>00773                 } <span class="comment">// if (wasInside)</span>
    767. 

  767. <a name="l00774"></a>00774             } <span class="comment">// for xx</span>
    768. 

  768. <a name="l00775"></a>00775 
    769. 

  769. <a name="l00776"></a>00776             <span class="keywordflow">if</span> (curRect != -1) {
    770. 

  770. <a name="l00777"></a>00777                 r-&gt;right = xx;
    771. 

  771. <a name="l00778"></a>00778                 <span class="keywordflow">if</span> ((aboveRect != -1) &amp;&amp;
    772. 

  772. <a name="l00779"></a>00779                     (rects[aboveRect].right == xx)) {
    773. 

  773. <a name="l00780"></a>00780                     <span class="comment">// merge with rect above</span>
    774. 

  774. <a name="l00781"></a>00781                     rects[aboveRect].bottom = r-&gt;bottom;
    775. 

  775. <a name="l00782"></a>00782                     rectCount--;
    776. 

  776. <a name="l00783"></a>00783                 } <span class="comment">// if</span>
    777. 

  777. <a name="l00784"></a>00784             } <span class="comment">// if (curRect != -1)</span>
    778. 

  778. <a name="l00785"></a>00785 
    779. 

  779. <a name="l00786"></a>00786             curRect = -1;
    780. 

  780. <a name="l00787"></a>00787             aboveRect = -1;
    781. 

  781. <a name="l00788"></a>00788             mem += maskRowBytes;
    782. 

  782. <a name="l00789"></a>00789 
    783. 

  783. <a name="l00790"></a>00790         } <span class="comment">// for yy</span>
    784. 

  784. <a name="l00791"></a>00791 
    785. 

  785. <a name="l00792"></a>00792         {
    786. 

  786. <a name="l00793"></a>00793             <span class="keywordtype">long</span> i;
    787. 

  787. <a name="l00794"></a>00794             RECT *newRects = <span class="keyword">new</span> RECT[rectCount];
    788. 

  788. <a name="l00795"></a>00795 
    789. 

  789. <a name="l00796"></a>00796             clipRects = rectCount;
    790. 

  790. <a name="l00797"></a>00797             rectList = newRects;
    791. 

  791. <a name="l00798"></a>00798             <span class="keywordflow">for</span> (i = 0; i &lt; rectCount; i++) {
    792. 

  792. <a name="l00799"></a>00799                 newRects[i] = rects[i];
    793. 

  793. <a name="l00800"></a>00800             } <span class="comment">// for</span>
    794. 

  794. <a name="l00801"></a>00801             <span class="keyword">delete</span> [] rects;
    795. 

  795. <a name="l00802"></a>00802         }
    796. 

  796. <a name="l00803"></a>00803     } <span class="comment">// if …
    797.

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