Chess PHP

SUBMITTED BY: Guest

DATE: July 23, 2014, 1:11 p.m.

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  1. <?
  2. session_start();
  4. /* load settings */
  5. if (!isset($_CONFIG))
  6. require 'config.php';
  8. /* define constants */
  9. require 'chessconstants.php';
  11. /* include outside functions */
  12. if (!isset($_CHESSUTILS))
  13. require 'chessutils.php';
  14. require 'gui.php';
  15. require 'chessdb.php';
  16. require 'move.php';
  17. require 'undo.php';
  19. /* allow WebChess to be run on PHP systems < 4.1.0, using old http vars */
  20. fixOldPHPVersions();
  22. /* check session status */
  23. require 'sessioncheck.php';
  25. /* check if loading game */
  26. if (isset($_POST['gameID']))
  27. $_SESSION['gameID'] = $_POST['gameID'];
  29. /* debug flag */
  30. define ("DEBUG", 0);
  32. /* connect to database */
  33. require 'connectdb.php';
  35. /* load game */
  36. $isInCheck = ($_POST['isInCheck'] == 'true');
  37. $isCheckMate = false;
  38. $isPromoting = false;
  39. $isUndoing = false;
  40. loadHistory();
  41. loadGame();
  42. processMessages();
  44. if ($isUndoing)
  45. {
  46. doUndo();
  47. saveGame();
  48. }
  49. elseif (($_POST['promotion'] != "") && ($_POST['toRow'] != "") && ($_POST['toCol'] != ""))
  50. {
  51. savePromotion();
  52. $board[$_POST['toRow']][$_POST['toCol']] = $_POST['promotion'] | ($board[$_POST['toRow']][$_POST['toCol']] & BLACK);
  53. saveGame();
  54. }
  55. elseif (($_POST['fromRow'] != "") && ($_POST['fromCol'] != "") && ($_POST['toRow'] != "") && ($_POST['toCol'] != ""))
  56. {
  57. /* ensure it's the current player moving */
  58. /* NOTE: if not, this will currently ignore the command... */
  59. /* perhaps the status should be instead? */
  60. /* (Could be confusing to player if they double-click or something */
  61. $tmpIsValid = true;
  62. if (($numMoves == -1) || ($numMoves % 2 == 1))
  63. {
  64. /* White's move... ensure that piece being moved is white */
  65. if ((($board[$_POST['fromRow']][$_POST['fromCol']] & BLACK) != 0) || ($board[$_POST['fromRow']][$_POST['fromCol']] == 0))
  66. /* invalid move */
  67. $tmpIsValid = false;
  68. }
  69. else
  70. {
  71. /* Black's move... ensure that piece being moved is black */
  72. if ((($board[$_POST['fromRow']][$_POST['fromCol']] & BLACK) != BLACK) || ($board[$_POST['fromRow']][$_POST['fromCol']] == 0))
  73. /* invalid move */
  74. $tmpIsValid = false;
  75. }
  77. if ($tmpIsValid)
  78. {
  79. saveHistory();
  80. doMove();
  81. saveGame();
  82. }
  83. }
  85. mysql_close();
  86. ?>
  88. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
  89. <html>
  90. <head>
  91. <?
  92. /* find out if it's the current player's turn */
  93. if (( (($numMoves == -1) || (($numMoves % 2) == 1)) && ($playersColor == "white"))
  94. || ((($numMoves % 2) == 0) && ($playersColor == "black")))
  95. $isPlayersTurn = true;
  96. else
  97. $isPlayersTurn = false;
  99. if ($_SESSION['isSharedPC'])
  100. echo("<title>WebChess</title>\n");
  101. else if ($isPlayersTurn)
  102. echo("<title>WebChess - Your Move</title>\n");
  103. else
  104. echo("<title>WebChess - Opponent's Move</title>\n");
  106. echo("<meta HTTP-EQUIV='Pragma' CONTENT='no-cache'>\n");
  108. /* if it's not the player's turn, enable auto-refresh */
  109. if (!$isPlayersTurn && !isBoardDisabled() && !$_SESSION['isSharedPC'])
  110. {
  111. echo ("<META HTTP-EQUIV=Refresh CONTENT='");
  113. if ($_SESSION['pref_autoreload'] >= $CFG_MINAUTORELOAD)
  114. echo ($_SESSION['pref_autoreload']);
  115. else
  116. echo ($CFG_MINAUTORELOAD);
  118. echo ("; URL=chess.php?autoreload=yes'>\n");
  119. }
  120. ?>
  122. <script type="text/javascript">
  123. /* transfer board data to javacripts */
  124. <? writeJSboard(); ?>
  125. <? writeJShistory(); ?>
  127. if (DEBUG)
  128. alert("Game initilization complete!");
  129. </script>
  131. <script type="text/javascript" src="javascript/chessutils.js">
  132. /* these are utility functions used by other functions */
  133. </script>
  135. <script type="text/javascript" src="javascript/commands.js">
  136. // these functions interact with the server
  137. </script>
  139. <script type="text/javascript" src="javascript/validation.js">
  140. // these functions are used to test the validity of moves
  141. </script>
  143. <script type="text/javascript" src="javascript/isCheckMate.js">
  144. // these functions are used to test the validity of moves
  145. </script>
  147. <script type="text/javascript" src="javascript/squareclicked.js">
  148. // this is the main function that interacts with the user everytime they click on a square
  149. </script>
  150. </head>
  152. <body>
  154. <table border="0">
  155. <tr valign="top" align="center"><td>
  157. <form name="gamedata" method="post" action="chess.php">
  159. <?
  160. if ($isPromoting)
  161. writePromotion();
  162. ?>
  164. <?
  165. if ($isUndoRequested)
  166. writeUndoRequest();
  167. ?>
  169. <?
  170. if ($isDrawRequested)
  171. writeDrawRequest();
  172. ?>
  174. <? drawboard(); ?>
  176. <!-- table border="0">
  177. <tr><td -->
  178. <nobr>
  179. <input type="button" name="btnReload" value="Reload" onClick="window.open('chess.php', '_self')">
  180. <input type="button" name="btnUndo" value="Request Undo" <? if (isBoardDisabled()) echo("disabled='yes'"); else echo ("onClick='undo()'"); ?>>
  181. <input type="button" name="btnDraw" value="Request Draw" <? if (isBoardDisabled()) echo("disabled='yes'"); else echo ("onClick='draw()'"); ?>>
  182. <input type="button" name="btnResign" value="Resign" <? if (isBoardDisabled()) echo("disabled='yes'"); else echo ("onClick='resigngame()'"); ?>>
  183. <input type="button" name="btnMainMenu" value="Main Menu" onClick="window.open('mainmenu.php', '_self')">
  184. <input type="button" name="btnLogout" value="Logout" onClick="logout()">
  185. <input type="hidden" name="ToDo" value="Logout"> <!-- NOTE: this field is only used to Logout -->
  186. </nobr>
  187. <!-- /td></tr>
  188. </table -->
  190. <input type="hidden" name="requestUndo" value="no">
  191. <input type="hidden" name="requestDraw" value="no">
  192. <input type="hidden" name="resign" value="no">
  193. <input type="hidden" name="fromRow" value="<? if (isPromoting) echo ($_POST['fromRow']); ?>">
  194. <input type="hidden" name="fromCol" value="<? if (isPromoting) echo ($_POST['fromCol']); ?>">
  195. <input type="hidden" name="toRow" value="<? if (isPromoting) echo ($_POST['toRow']); ?>">
  196. <input type="hidden" name="toCol" value="<? if (isPromoting) echo ($_POST['toCol']); ?>">
  197. <input type="hidden" name="isInCheck" value="false">
  198. <input type="hidden" name="isCheckMate" value="false">
  199. </form>
  201. <p>Note: when castling, just move the king (the rook will move automatically).</p>
  202. </td>
  204. <td width="50">&nbsp;</td>
  206. <td>
  207. <? writeStatus(); ?>
  208. <br>
  209. <? writeHistory(); ?>
  210. </td></tr>
  211. </table>
  213. </body>
  214. </html>
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