include/functions.php

   1 <?php
   2 /* make sure that we are not called from outside the scripts,
   3  * use a variable defined in config.php to check this
   4  */
   5 if(!isset($HOST))
   6   exit;
   7
   8 function config_check()
   9 {
  10   global $EmailName,$EMAIL_REPLY,$ADMIN_NAME,$ADMIN_EMAIL,$DB_work;
  11
  12   /* check if some variables are set in the config file, else set defaults */
  13   if(!isset($EmailName))
  14     $EmailName="[DoKo] ";
  15   if(isset($EMAIL_REPLY))
  16     {
  17       ini_set("sendmail_from",$EMAIL_REPLY);
  18     }
  19   if(!isset($ADMIN_NAME))
  20     {
  21       output_header();
  22       echo "<h1>Setup not completed</h1>";
  23       echo "You need to set \$ADMIN_NAME in config.php.";
  24       output_footer();
  25       exit();
  26     }
  27   if(!isset($ADMIN_EMAIL))
  28     {
  29       output_header();
  30       echo "<h1>Setup not completed</h1>";
  31       echo "You need to set \$ADMIN_EMAIL in config.php. ".
  32         "If something goes wrong an email will be send to this address.";
  33       output_footer();
  34       exit();
  35     }
  36   if(!isset($DB_work))
  37     {
  38       output_header();
  39       echo "<h1>Setup not completed</h1>";
  40       echo "You need to set \$DB_work in config.php. ".
  41         "If this is set to 1, the game will be suspended and one can work safely on the database.".
  42         "The default should be 0 for the game to work.";
  43       output_footer();
  44       exit();
  45     }
  46   if($DB_work)
  47     {
  48       output_header();
  49       echo "Working on the database...please check back later.";
  50       output_footer();
  51       exit();
  52     }
  53
  54   return;
  55 }
  56
  57 function mymail($uid,$subject,$message)
  58 {
  59   global $EmailName;
  60
  61   /* do we send the email right away or save it in the database? */
  62   $send_now = 1;
  63
  64   /* add standard header and footer */
  65   $subject = "$EmailName".$subject;
  66
  67   /* standard goodbye */
  68   $footer  = "\nHave a nice day\n".
  69     "   your E-Doko service department\n\n".
  70     "-- \n".
  71     "You can change your mail delivery mode in the preference menu.\n".
  72     'web: http://doko.nubati.net   '.
  73     'help: http://wiki.nubati.net/EmailDoko   '.
  74     'bugs: http://wiki.nubati.net/EmailDokoIssues';
  75
  76   if(is_array($uid))
  77     {
  78       /* send email to more than one person */
  79
  80       $header  = "Hello all\n\n";
  81
  82       foreach($uid as $user)
  83         {
  84           $all[] = DB_get_email('userid',$user);
  85         }
  86       $To = implode(",",$all);
  87     }
  88   else
  89     {
  90       /* standard greeting */
  91       $name    = DB_get_name('userid',$uid);
  92       $header  = "Hello $name\n\n";
  93
  94       $To = DB_get_email('userid',$uid);
  95
  96       /* check if user wants email right away or if we should save it in
  97        * the database for later delivery
  98        */
  99
 100       $PREF = DB_get_PREF($uid);
 101       if( $PREF['digest'] != 'digest-off' )
 102         $send_now = 0;
 103     }
 104
 105   if($send_now)
 106     sendmail($To,$subject,$header.$message.$footer);
 107   else
 108     {
 109       /* store email in database */
 110       DB_digest_insert_email($To,$message);
 111     }
 112 }
 113
 114 function sendmail($To,$Subject,$message)
 115 {
 116   /* this function sends the mail or outputs to the screen in case of debugging */
 117   global $debug,$EMAIL_REPLY;
 118
 119   $header = "";
 120
 121   if(isset($EMAIL_REPLY))
 122     $header .= "From: e-DoKo daemon <$EMAIL_REPLY>\r\n";
 123
 124   if($debug)
 125     {
 126       /* display email on screen,
 127        * change txt -> html
 128        */
 129       $message = str_replace("\n","<br />\n",$message);
 130       $message = ereg_replace("[[:alpha:]]+://[^<>[:space:]]+[[:alnum:]/]",
 131                      "<a href=\"\\0\">\\0</a>", $message);
 132
 133       echo "<br />To: $To<br />";
 134       if($header != "")
 135         echo $header."<br />";
 136       echo "Subject: $Subject <br />$message<br />\n";
 137     }
 138   else
 139     if($header != "")
 140       mail($To,$Subject,$message,$header);
 141     else
 142       mail($To,$Subject,$message);
 143   return;
 144 }
 145
 146 function myisset()
 147 {
 148   /* returns 1 if all names passed as args are defined by a GET or POST statement,
 149    * else return 0
 150    */
 151
 152   $ok   = 1;
 153   $args = func_get_args();
 154
 155   foreach($args as $arg)
 156     {
 157       $ok = $ok * isset($_REQUEST[$arg]);
 158       /*echo "$arg: ok = $ok <br />";
 159        */
 160     }
 161   return $ok;
 162 }
 163
 164 function myerror($message)
 165 {
 166   echo "<span class=\"error\">".htmlspecialchars($message)."</span>\n";
 167   sendmail($ADMIN_EMAIL,$EmailName." Error in Code",$message);
 168   return;
 169 }
 170
 171 function pos_array($c,$arr)
 172 {
 173   $ret = 0;
 174
 175   $i   = 0;
 176   foreach($arr as $a)
 177     {
 178       $i++;
 179       if($a == $c)
 180         {
 181           $ret = $i;
 182           break;
 183         }
 184     }
 185   return $ret;
 186 }
 187
 188 function is_trump($c)
 189 {
 190   global $CARDS;
 191
 192   if(in_array($c,$CARDS["trump"]))
 193     return 1;
 194   else
 195     return 0;
 196 }
 197
 198 function is_same_suite($c1,$c2)
 199 {
 200   global $CARDS;
 201
 202   if(in_array($c1,$CARDS["trump"]   ) && in_array($c2,$CARDS["trump"]   ) ) return 1;
 203   if(in_array($c1,$CARDS["clubs"]   ) && in_array($c2,$CARDS["clubs"]   ) ) return 1;
 204   if(in_array($c1,$CARDS["hearts"]  ) && in_array($c2,$CARDS["hearts"]  ) ) return 1;
 205   if(in_array($c1,$CARDS["spades"]  ) && in_array($c2,$CARDS["spades"]  ) ) return 1;
 206   if(in_array($c1,$CARDS["diamonds"]) && in_array($c2,$CARDS["diamonds"]) ) return 1;
 207
 208   return 0;
 209 }
 210
 211 function compare_cards($a,$b,$game)
 212 {
 213   /* if "a" is higher than "b" return 1, else 0, "a" being the card first played */
 214
 215   global $CARDS;
 216   global $RULES;
 217   global $GAME;
 218
 219   /* first map all cards to the odd number,
 220    * this insure that the first card wins the trick
 221    * if they are the same card
 222    */
 223   if( $a/2 - (int)($a/2) != 0.5)
 224     $a--;
 225   if( $b/2 - (int)($b/2) != 0.5)
 226     $b--;
 227
 228   /* check for schweinchen and ten of hearts*/
 229   switch($game)
 230     {
 231     case "normal":
 232     case "silent":
 233     case "trump":
 234       if($RULES['schweinchen']=='both' && $GAME['schweinchen-who'])
 235         {
 236           if($a == 19 || $a == 20 )
 237             return 1;
 238           if($b == 19 || $b == 20 )
 239             return 0;
 240         }
 241       else if($RULES['schweinchen']=='second' && $GAME['schweinchen-second'])
 242         {
 243           if($a == 19 || $a == 20 )
 244             return 1;
 245           if($b == 19 || $b == 20 )
 246             return 0;
 247         }
 248       else if($RULES['schweinchen']=='secondaftercall' && $GAME['schweinchen-who'] && $GAME['schweinchen-second'] )
 249         {
 250           /* check if a call was made either by the player or his partner. If so activate Schweinchen rule. */
 251           if(DB_get_call_by_hash($GAME['schweinchen-who']) || DB_get_partner_call_by_hash($GAME['schweinchen-who']) )
 252             {
 253               if($a == 19 || $a == 20 )
 254                 return 1;
 255               if($b == 19 || $b == 20 )
 256                 return 0;
 257             }
 258           /* if not, do nothing and the foxes are just handeled as normal trump */
 259         }
 260         ;
 261     case "heart":
 262     case "spade":
 263     case "club":
 264       /* check for ten of hearts rule */
 265       if($RULES["dullen"]=="secondwins")
 266         if($a==1 && $b==1) /* both 10 of hearts */
 267           return 0;        /* second one wins.*/
 268     case "trumpless":
 269     case "jack":
 270     case "queen":
 271       /* no special cases here */
 272     }
 273
 274   /* normal case */
 275   if(is_trump($a) && is_trump($b) && $a<=$b)
 276     return 1;
 277   else if(is_trump($a) && is_trump($b) )
 278     return 0;
 279   else
 280     { /*$a is not a trump */
 281       if(is_trump($b))
 282         return 0;
 283       else
 284         { /* both no trump */
 285
 286           /* both clubs? */
 287           $posA = pos_array($a,$CARDS["clubs"]);
 288           $posB = pos_array($b,$CARDS["clubs"]);
 289           if($posA && $posB)
 290             if($posA <= $posB)
 291               return 1;
 292             else
 293               return 0;
 294
 295           /* both spades? */
 296           $posA = pos_array($a,$CARDS["spades"]);
 297           $posB = pos_array($b,$CARDS["spades"]);
 298           if($posA && $posB)
 299             if($posA <= $posB)
 300               return 1;
 301             else
 302               return 0;
 303
 304           /* both hearts? */
 305           $posA = pos_array($a,$CARDS["hearts"]);
 306           $posB = pos_array($b,$CARDS["hearts"]);
 307           if($posA && $posB)
 308             if($posA <= $posB)
 309               return 1;
 310             else
 311               return 0;
 312
 313           /* both diamonds? */
 314           $posA = pos_array($a,$CARDS["diamonds"]);
 315           $posB = pos_array($b,$CARDS["diamonds"]);
 316           if($posA && $posB)
 317             if($posA <= $posB)
 318               return 1;
 319             else
 320               return 0;
 321
 322           /* not the same suit and no trump: a wins */
 323           return 1;
 324         }
 325     }
 326 }
 327
 328 function get_winner($p,$mode)
 329 {
 330   /* get all 4 cards played in a trick, in the order they are played */
 331   $tmp = $p[1];
 332   $c1    = $tmp["card"];
 333   $c1pos = $tmp["pos"];
 334
 335   $tmp = $p[2];
 336   $c2    = $tmp["card"];
 337   $c2pos = $tmp["pos"];
 338
 339   $tmp = $p[3];
 340   $c3    = $tmp["card"];
 341   $c3pos = $tmp["pos"];
 342
 343   $tmp = $p[4];
 344   $c4    = $tmp["card"];
 345   $c4pos = $tmp["pos"];
 346
 347   /* first card is better than all the rest */
 348   if( compare_cards($c1,$c2,$mode) && compare_cards($c1,$c3,$mode) && compare_cards($c1,$c4,$mode) )
 349     return $c1pos;
 350
 351   /* second card is better than first and better than the rest */
 352   if( !compare_cards($c1,$c2,$mode) &&  compare_cards($c2,$c3,$mode) && compare_cards($c2,$c4,$mode) )
 353     return $c2pos;
 354
 355   /* third card is better than first card and better than last */
 356   if( !compare_cards($c1,$c3,$mode) &&  compare_cards($c3,$c4,$mode) )
 357     /* if second card is better than first, third card needs to be even better */
 358     if( !compare_cards($c1,$c2,$mode) && !compare_cards($c2,$c3,$mode) )
 359       return $c3pos;
 360     /* second is worse than first, e.g. not following suite */
 361     else if (compare_cards($c1,$c2,$mode) )
 362       return $c3pos;
 363
 364   /* non of the above */
 365   return $c4pos;
 366 }
 367
 368 function count_nines($cards)
 369 {
 370   $nines = 0;
 371
 372   foreach($cards as $c)
 373     {
 374       if($c == "25" || $c == "26") $nines++;
 375       else if($c == "33" || $c == "34") $nines++;
 376       else if($c == "41" || $c == "42") $nines++;
 377       else if($c == "47" || $c == "48") $nines++;
 378     }
 379
 380   return $nines;
 381 }
 382
 383 function check_wedding($cards)
 384 {
 385
 386   if( in_array("3",$cards) && in_array("4",$cards) )
 387     return 1;
 388
 389   return 0;
 390 }
 391
 392 function count_trump($cards,$status='pregame')
 393 {
 394   global $RULES;
 395
 396   $trump = 0;
 397
 398   /* count each trump, including the foxes, since this is used to determine poverty status */
 399   foreach($cards as $c)
 400     if( (int)($c) <27)
 401       $trump++;
 402
 403   /* In case we really want to know the amount of trump, we can use the status variable.
 404    * This is needed for example to figure out what icon to display on the table in case of
 405    * trump given back in poverty */
 406   if($status=='all') return $trump;
 407
 408   /* normally foxes don't count as trump, so we substract them here
 409    * in case someone has schweinchen, one or two of them should count as trump
 410    * though, so we need to add one trump for those cases */
 411
 412   /* subtract foxes */
 413   if( in_array("19",$cards))
 414     $trump--;
 415   if( in_array("20",$cards) )
 416     $trump--;
 417
 418   /* handle case where player has schweinchen */
 419   if( in_array("19",$cards) && in_array("20",$cards) )
 420     switch($RULES["schweinchen"])
 421       {
 422       case "both":
 423         /* add two, in case the player has both foxes (schweinchen) */
 424         $trump++;
 425         $trump++;
 426         break;
 427       case "second":
 428       case "secondaftercall":
 429         /* add one, in case the player has both foxes (schweinchen) */
 430         $trump++;
 431         break;
 432       case "none":
 433         break;
 434       }
 435
 436   return $trump;
 437 }
 438
 439 function  create_array_of_random_numbers($useridA,$useridB,$useridC,$useridD)
 440 {
 441   global $debug;
 442
 443   $r = array();
 444
 445   if($debug)
 446     {
 447       $r[ 0]=1;     $r[12]=47;   $r[24]=13;       $r[36]=37;
 448       $r[ 1]=2;     $r[13]=23;   $r[25]=14;       $r[37]=38;
 449       $r[ 2]=3;     $r[14]=27;   $r[26]=15;       $r[38]=39;
 450       $r[ 3]=4;     $r[15]=16;   $r[27]=28;       $r[39]=40;
 451       $r[ 4]=5;     $r[16]=17;   $r[28]=29;       $r[40]=41;
 452       $r[ 5]=18;    $r[17]=6;    $r[29]=30;       $r[41]=42;
 453       $r[ 6]=21;    $r[18]=7;    $r[30]=31;       $r[42]=43;
 454       $r[ 7]=22;    $r[19]=8;    $r[31]=32;       $r[43]=44;
 455       $r[ 8]=45;    $r[20]=9;    $r[32]=19;       $r[44]=33;
 456       $r[ 9]=46;    $r[21]=10;   $r[33]=20;       $r[45]=24;
 457       $r[10]=35;    $r[22]=11;   $r[34]=48;       $r[46]=25;
 458       $r[11]=36;    $r[23]=12;   $r[35]=34;       $r[47]=26;
 459     }
 460   else
 461     {
 462       /* check if we can find a game were non of the player was involved and return
 463        * cards insted
 464        */
 465       $userstr = "'".implode("','",array($useridA,$useridB,$useridC,$useridD))."'";
 466       $randomnumbers = DB_get_unused_randomnumbers($userstr);
 467       $randomnumbers = explode(":",$randomnumbers);
 468
 469       if(sizeof($randomnumbers)==48)
 470         return $randomnumbers;
 471
 472       /* need to create new numbers */
 473       for($i=0;$i<48;$i++)
 474         $r[$i]=$i+1;
 475
 476       /* shuffle using a better random generator than the standard one */
 477       for ($i = 0; $i <48; $i++)
 478         {
 479           $j = @mt_rand(0, $i);
 480           $tmp = $r[$i];
 481           $r[$i] = $r[$j];
 482           $r[$j] = $tmp;
 483         }
 484     };
 485
 486   return $r;
 487 }
 488
 489 function display_cards($me,$myturn)
 490 {
 491   return;
 492 }
 493
 494 function have_suit($cards,$c)
 495 {
 496   global $CARDS;
 497   $suite = array();
 498
 499   if(in_array($c,$CARDS["trump"]))
 500     $suite = $CARDS["trump"];
 501   else if(in_array($c,$CARDS["clubs"]))
 502     $suite = $CARDS["clubs"];
 503   else if(in_array($c,$CARDS["spades"]))
 504     $suite = $CARDS["spades"];
 505   else if(in_array($c,$CARDS["hearts"]))
 506     $suite = $CARDS["hearts"];
 507   else if(in_array($c,$CARDS["diamonds"]))
 508     $suite = $CARDS["diamonds"];
 509
 510   foreach($cards as $card)
 511     {
 512       if(in_array($card,$suite))
 513         return 1;
 514     }
 515
 516   return 0;
 517 }
 518
 519 function same_type($card,$c)
 520 {
 521   global $CARDS;
 522   $suite = "";
 523
 524   /* figure out what kind of card c is */
 525   if(in_array($c,$CARDS["trump"]))
 526     $suite = $CARDS["trump"];
 527   else if(in_array($c,$CARDS["clubs"]))
 528     $suite = $CARDS["clubs"];
 529   else if(in_array($c,$CARDS["spades"]))
 530     $suite = $CARDS["spades"];
 531   else if(in_array($c,$CARDS["hearts"]))
 532     $suite = $CARDS["hearts"];
 533   else if(in_array($c,$CARDS["diamonds"]))
 534     $suite = $CARDS["diamonds"];
 535
 536   /* card is the same suid return 1 */
 537   if(in_array($card,$suite))
 538     return 1;
 539
 540   return 0;
 541 }
 542
 543 function set_gametype($gametype)
 544 {
 545   global $CARDS;
 546   global $RULES;
 547   global $GAME;
 548
 549   switch($gametype)
 550     {
 551     case "normal":
 552     case "wedding":
 553     case "poverty":
 554     case "dpoverty":
 555     case "trump":
 556     case "silent":
 557       $CARDS["trump"]    = array('1','2','3','4','5','6','7','8','9','10','11','12','13','14','15','16',
 558                                  '17','18','19','20','21','22','23','24','25','26');
 559       $CARDS["diamonds"] = array();
 560       $CARDS["clubs"]    = array('27','28','29','30','31','32','33','34');
 561       $CARDS["spades"]   = array('35','36','37','38','39','40','41','42');
 562       $CARDS["hearts"]   = array('43','44','45','46','47','48');
 563       $CARDS["foxes"]    = array('19','20');
 564       if($RULES["dullen"]=='none')
 565         {
 566           $CARDS["trump"]    = array('3','4','5','6','7','8','9','10','11','12','13','14','15','16',
 567                                      '17','18','19','20','21','22','23','24','25','26');
 568           $CARDS["hearts"]   = array('43','44','1','2','45','46','47','48');
 569         }
 570       /* do we need to reorder for Schweinchen? need to search for it because of special case for dullen above*/
 571       if($RULES['schweinchen']=='both'&& $GAME['schweinchen-who'])
 572         {
 573           /* find the fox and put them at the top of the stack */
 574           foreach(array('19','20') as $fox)
 575             {
 576               /* search for fox */
 577               $trump = $CARDS['trump'];
 578               $key = array_keys($trump, $fox);
 579
 580               /* reorder */
 581               $foxa = array();
 582               $foxa[]=$trump[$key[0]];
 583               unset($trump[$key[0]]);
 584               $trump = array_merge($foxa,$trump);
 585               $CARDS['trump'] = $trump;
 586             }
 587         }
 588       else if( ($RULES['schweinchen']=='second' || $RULES['schweinchen']=='secondaftercall')
 589                && $GAME['schweinchen-who'])
 590         {
 591           /* find the fox and put them at the top of the stack */
 592           $trump = $CARDS['trump'];
 593           $key = array_keys($trump, '19');
 594
 595           /* reorder */
 596           $foxa = array();
 597           $foxa[]=$trump[$key[0]];
 598           unset($trump[$key[0]]);
 599           $trump = array_merge($foxa,$trump);
 600           $CARDS['trump'] = $trump;
 601         }
 602       break;
 603     case "queen":
 604       $CARDS["trump"]    = array('3','4','5','6','7','8','9','10');
 605       $CARDS["clubs"]    = array('27','28','29','30','31','32','11','12','33','34');
 606       $CARDS["spades"]   = array('35','36','37','38','39','40','13','14','41','42');
 607       $CARDS["hearts"]   = array('43','44', '1', '2','45','46','15','16','47','48');
 608       $CARDS["diamonds"] = array('19','20','21','22','23','24','17','18','25','26');
 609       $CARDS["foxes"]    = array();
 610       break;
 611     case "jack":
 612       $CARDS["trump"]    = array('11','12','13','14','15','16','17','18');
 613       $CARDS["clubs"]    = array('27','28','29','30','31','32','3', '4','33','34');
 614       $CARDS["spades"]   = array('35','36','37','38','39','40','5', '6','41','42');
 615       $CARDS["hearts"]   = array('43','44', '1', '2','45','46','7', '8','47','48');
 616       $CARDS["diamonds"] = array('19','20','21','22','23','24','9','10','25','26');
 617       $CARDS["foxes"]    = array();
 618       break;
 619     case "trumpless":
 620       $CARDS["trump"]    = array();
 621       $CARDS["clubs"]    = array('27','28','29','30','31','32','3', '4','11','12','33','34');
 622       $CARDS["spades"]   = array('35','36','37','38','39','40','5', '6','13','14','41','42');
 623       $CARDS["hearts"]   = array('43','44', '1', '2','45','46','7', '8','15','16','47','48');
 624       $CARDS["diamonds"] = array('19','20','21','22','23','24','9','10','17','18','25','26');
 625       $CARDS["foxes"]    = array();
 626       break;
 627     case "club":
 628       $CARDS["trump"]    = array('1','2','3','4','5','6','7','8','9','10','11','12','13','14','15','16',
 629                                  '17','18','27','28','29','30','31','32','33','34');
 630       $CARDS["clubs"]    = array();
 631       $CARDS["spades"]   = array('35','36','37','38','39','40','41','42');
 632       $CARDS["hearts"]   = array('43','44','45','46','47','48');
 633       $CARDS["diamonds"] = array('19','20','21','22','23','24','25','26');
 634       $CARDS["foxes"]    = array();
 635       if($RULES["dullen"]=='none')
 636         {
 637           $CARDS["trump"]    = array('3','4','5','6','7','8','9','10','11','12','13','14','15','16',
 638                                      '17','18','27','28','29','30','31','32','33','34');
 639           $CARDS["hearts"]   = array('43','44','1','2','45','46','47','48');
 640         }
 641       break;
 642     case "spade":
 643       $CARDS["trump"]    = array('1','2','3','4','5','6','7','8','9','10','11','12','13','14','15','16',
 644                                  '17','18','35','36','37','38','39','40','41','42');
 645       $CARDS["clubs"]    = array('27','28','29','30','31','32','33','34');
 646       $CARDS["spades"]   = array();
 647       $CARDS["hearts"]   = array('43','44','45','46','47','48');
 648       $CARDS["diamonds"] = array('19','20','21','22','23','24','25','26');
 649       $CARDS["foxes"]    = array();
 650       if($RULES["dullen"]=='none')
 651         {
 652           $CARDS["trump"]    = array('3','4','5','6','7','8','9','10','11','12','13','14','15','16',
 653                                      '17','18','35','36','37','38','39','40','41','42');
 654           $CARDS["hearts"]   = array('43','44','1','2','45','46','47','48');
 655         }
 656       break;
 657     case "heart":
 658       $CARDS["trump"]    = array('1','2','3','4','5','6','7','8','9','10','11','12','13','14','15','16',
 659                                  '17','18','43','44','45','46','47','48');
 660       $CARDS["clubs"]    = array('27','28','29','30','31','32','33','34');
 661       $CARDS["spades"]   = array('35','36','37','38','39','40','41','42');
 662       $CARDS["hearts"]   = array();
 663       $CARDS["diamonds"] = array('19','20','21','22','23','24','25','26');
 664       $CARDS["foxes"]    = array();
 665       if($RULES["dullen"]=='none')
 666         {
 667           $CARDS["trump"]    = array('3','4','5','6','7','8','9','10','11','12','13','14','15','16',
 668                             '17','18','43','44','1','2','45','46','47','48');
 669         }
 670       break;
 671     }
 672 }
 673
 674 function mysort($cards,$gametype)
 675 {
 676   global $PREF;
 677   if(isset($PREF['sorting']))
 678     if($PREF['sorting']=='high-low')
 679       usort ( $cards, 'sort_comp_high_low' );
 680     else
 681       usort ( $cards, 'sort_comp_low_high' );
 682   else
 683     usort ( $cards, 'sort_comp_high_low' );
 684   return $cards;
 685 }
 686
 687 function sort_comp_high_low($a,$b)
 688 {
 689   global $CARDS;
 690
 691   $ALL = array();
 692   $ALL = array_merge($CARDS['trump'],$CARDS['diamonds'],$CARDS['clubs'],
 693                      $CARDS['hearts'],$CARDS['spades']);
 694
 695   return pos_array($a,$ALL)-pos_array($b,$ALL);
 696 }
 697
 698 function sort_comp_low_high($a,$b)
 699 {
 700   global $CARDS;
 701
 702   $ALL = array();
 703   $ALL = array_merge($CARDS['trump'],$CARDS['diamonds'],$CARDS['clubs'],
 704                      $CARDS['hearts'],$CARDS['spades']);
 705
 706   return -pos_array($a,$ALL)+pos_array($b,$ALL);
 707 }
 708
 709 function can_call($what,$hash)
 710 {
 711   global $RULES;
 712
 713   $gameid   = DB_get_gameid_by_hash($hash);
 714   $gametype = DB_get_gametype_by_gameid($gameid);
 715   $oldcall  = DB_get_call_by_hash($hash);
 716   $pcall    = DB_get_partner_call_by_hash($hash);
 717
 718   if( ($pcall!=NULL && $what >= $pcall) ||
 719       ($oldcall!=NULL && $what >=$oldcall) )
 720     {
 721       return 0;
 722     }
 723
 724   $NRcards  = count(DB_get_hand($hash));
 725
 726   $NRallcards = 0;
 727   for ($i=1;$i<5;$i++)
 728     {
 729       $user         = DB_get_hash_from_game_and_pos($gameid,$i);
 730       $NRallcards  += count(DB_get_hand($user));
 731     };
 732
 733   /* in case of a wedding, everything will be delayed by an offset */
 734   $offset = 0;
 735   if($gametype=="wedding")
 736     {
 737       $offset = DB_get_sickness_by_gameid($gameid);
 738       if ($offset <0) /* not resolved */
 739         return 0;
 740     };
 741
 742   switch ($RULES["call"])
 743     {
 744     case "1st-own-card":
 745       if( 4-($what/30) >= 12 - ($NRcards + $offset))
 746         return 1;
 747       break;
 748     case "5th-card":
 749       if( 27+4*($what/30) <= $NRallcards + $offset*4)
 750         return 1;
 751       break;
 752     case "9-cards":
 753
 754       if($oldcall!=NULL && $pcall!=NULL)
 755         $mincall = ($oldcall>$pcall) ? $pcall : $oldcall;
 756       else if($oldcall!=NULL)
 757         $mincall = $oldcall;
 758       else if ($pcall!=NULL)
 759         $mincall = $pcall;
 760       else
 761         $mincall = -1;
 762
 763       if( 12 <= ($NRcards + $offset))
 764         {
 765           return 1;
 766         }
 767       else if ( 9 <= ($NRcards + $offset))
 768         {
 769           if( ($mincall>=0 && $mincall==120) )
 770             return 1;
 771         }
 772       else if ( 6 <= ($NRcards + $offset))
 773         {
 774           if( ($mincall>=0 && $mincall<=90 && $what<=60 ) )
 775             return 1;
 776         }
 777       else if ( 3 <= ($NRcards + $offset))
 778         {
 779           if( ($mincall>=0 && $mincall<=60 && $what<=30 ) )
 780             return 1;
 781         }
 782       else if ( 0 <= ($NRcards + $offset))
 783         {
 784           if( ($mincall>=0 && $mincall<=30 && $what==0 ) )
 785             return 1;
 786         };
 787       break;
 788     }
 789
 790   return 0;
 791 }
 792
 793 function display_table ()
 794 {
 795   global $gameid, $GT, $debug,$INDEX,$defaulttimezone,$session;
 796   global $RULES,$GAME,$gametype;
 797
 798   $result = DB_query("SELECT  User.fullname as name,".
 799                      "        Hand.position as position, ".
 800                      "        User.id, ".
 801                      "        Hand.party as party, ".
 802                      "        Hand.sickness as sickness, ".
 803                      "        Hand.point_call, ".
 804                      "        User.last_login, ".
 805                      "        Hand.hash,       ".
 806                      "        User.timezone    ".
 807                      "FROM Hand ".
 808                      "LEFT JOIN User ON User.id=Hand.user_id ".
 809                      "WHERE Hand.game_id='".$gameid."' ".
 810                      "ORDER BY position ASC");
 811
 812   echo "<div class=\"table\">\n".
 813     "  <img class=\"table\" src=\"pics/table.png\" alt=\"table\" />\n";
 814   while($r = DB_fetch_array($result))
 815     {
 816       $name  = $r[0];
 817       $pos   = $r[1];
 818       $user  = $r[2];
 819       $party = $r[3];
 820       $sickness  = $r[4];
 821       $call      = $r[5];
 822       $hash      = $r[7];
 823       $timezone  = $r[8];
 824       $wins      = DB_get_number_of_tricks($gameid,$pos);
 825       date_default_timezone_set($defaulttimezone);
 826       $lastlogin = strtotime($r[6]);
 827       date_default_timezone_set($timezone);
 828       $timenow   = strtotime(date("Y-m-d H:i:s"));
 829
 830       echo "  <div class=\"table".($pos-1)."\">\n";
 831
 832       if($debug)
 833         echo "   <a href=\"".$INDEX."?action=game&amp;me=".$hash."\">";
 834       if($vacation = check_vacation($user))
 835         {
 836           $start   = $vacation[0];
 837           $stop    = substr($vacation[1],0,10);
 838           $comment = $vacation[2];
 839
 840               $title = "begin: $start  end: $stop $comment";
 841               echo "   <span class=\"vacation\" title=\"$title\">$name (on vacation until $stop)</span> \n";
 842         }
 843       else
 844         echo "   $name \n";
 845       if($debug)
 846         echo"</a>\n";
 847
 848       /* add hints for poverty, wedding, solo, etc */
 849       if( $gametype != "solo")
 850         if( $RULES["schweinchen"]=="both" && $GAME["schweinchen-who"]==$hash )
 851           echo " Schweinchen. <br />";
 852
 853       if($GT=="poverty" && $party=="re")
 854         if($sickness=="poverty")
 855           {
 856             $userhash = DB_get_hash_from_gameid_and_userid($gameid,$user);
 857             $cards    = DB_get_all_hand($userhash);
 858             $trumpNR  = count_trump($cards,'all');
 859             if($trumpNR)
 860               echo "   <img src=\"pics/button/poverty_trump_button.png\" class=\"button\" alt=\"poverty < trump back\" title=\"poverty - trump back\" />";
 861             else
 862               echo "   <img src=\"pics/button/poverty_notrump_button.png\" class=\"button\" alt=\"poverty <\" title=\"poverty - no trump back\" />";
 863           }
 864         else
 865           echo "   <img src=\"pics/button/poverty_partner_button.png\" class=\"button\" alt=\"poverty >\" title=\"poverty partner\" />";
 866
 867       if($GT=="dpoverty")
 868         if($party=="re")
 869           if($sickness=="poverty")
 870             {
 871               $userhash = DB_get_hash_from_gameid_and_userid($gameid,$user);
 872               $cards    = DB_get_all_hand($userhash);
 873               $trumpNR  = count_trump($cards,'all');
 874               if($trumpNR)
 875                 echo "   <img src=\"pics/button/poverty_trump_button.png\" class=\"button\" alt=\"poverty < trump back\" title=\"poverty - trump back\" />";
 876               else
 877                 echo "   <img src=\"pics/button/poverty_notrump_button.png\" class=\"button\" alt=\"poverty <\" title=\"poverty - no trump back\" />";
 878             }
 879           else
 880             echo "   <img src=\"pics/button/poverty_partner_button.png\" class=\"button\" alt=\"poverty >\" title=\"poverty partner\" />";
 881         else
 882           if($sickness=="poverty")
 883             {
 884               $userhash = DB_get_hash_from_gameid_and_userid($gameid,$user);
 885               $cards    = DB_get_all_hand($userhash);
 886               $trumpNR  = count_trump($cards,'all');
 887               if($trumpNR)
 888                 echo "   <img src=\"pics/button/poverty2_trump_button.png\" class=\"button\" alt=\"poverty2 < trump back\" title=\"poverty2 - trump back\"/>";
 889               else
 890                 echo "   <img src=\"pics/button/poverty2_notrump_button.png\" class=\"button\" alt=\"poverty2 <\" title=\"poverty2 - no trump back\" />";
 891             }
 892           else
 893             echo "   <img src=\"pics/button/poverty2_partner_button.png\" class=\"button\" alt=\"poverty2 >\" title=\"poverty2 partner\" />";
 894
 895       if($GT=="wedding" && $party=="re")
 896         if($sickness=="wedding")
 897           echo "   <img src=\"pics/button/wedding_button.png\" class=\"button\" alt=\"wedding\" title=\"wedding\" />";
 898         else
 899           echo "   <img src=\"pics/button/wedding_partner_button.png\" class=\"button\" alt=\"wedding partner\" title=\"wedding partner\" />";
 900
 901       if(ereg("solo",$GT) && $party=="re")
 902         {
 903           if(ereg("queen",$GT))
 904             echo "   <img src=\"pics/button/queensolo_button.png\" class=\"button\" alt=\"$GT\" title=\"Queen solo\" />";
 905           else if(ereg("jack",$GT))
 906             echo "   <img src=\"pics/button/jacksolo_button.png\" class=\"button\" alt=\"$GT\" title=\"Jack solo\" />";
 907           else if(ereg("club",$GT))
 908             echo "   <img src=\"pics/button/clubsolo_button.png\" class=\"button\" alt=\"$GT\" title=\"Club solo\" />";
 909           else if(ereg("spade",$GT))
 910             echo "   <img src=\"pics/button/spadesolo_button.png\" class=\"button\" alt=\"$GT\" title=\"Spade solo\" />";
 911           else if(ereg("heart",$GT))
 912             echo "   <img src=\"pics/button/heartsolo_button.png\" class=\"button\" alt=\"$GT\" title=\"Heart solo\" />";
 913           else if(ereg("trumpless",$GT))
 914             echo "   <img src=\"pics/button/notrumpsolo_button.png\" class=\"button\" alt=\"$GT\" title=\"Trumpless solo\" />";
 915           else if(ereg("trump",$GT))
 916             echo "   <img src=\"pics/button/trumpsolo_button.png\" class=\"button\" alt=\"$GT\" title=\"Trump solo\" />";
 917         }
 918
 919       /* add point calls */
 920       if($call!=NULL)
 921         {
 922           if($party=="re")
 923             echo "  <img src=\"pics/button/re_button.png\" class=\"button\" alt=\"re\" title=\"Re\" />";
 924           else
 925             echo "  <img src=\"pics/button/contra_button.png\" class=\"button\" alt=\"contra\" title=\"Contra\" />";
 926           switch($call)
 927             {
 928             case "0":
 929               echo "   <img src=\"pics/button/0_button.png\" class=\"button\" alt=\"0\" title=\"Call 0\" />";
 930               break;
 931             case "30":
 932               echo "   <img src=\"pics/button/30_button.png\" class=\"button\" alt=\"30\" title=\"Call 30\" />";
 933               break;
 934             case "60":
 935               echo "   <img src=\"pics/button/60_button.png\" class=\"button\" alt=\"60\" title=\"Call 60\" />";
 936               break;
 937             case "90":
 938               echo "   <img src=\"pics/button/90_button.png\" class=\"button\" alt=\"90\" title=\"Call 90\" />";
 939               break;
 940             }
 941         }
 942
 943       echo "    <br />\n";
 944       echo "    <span title=\"local time: ".date("Y-m-d H:i:s",$timenow).  " ".
 945                              "last login: ".date("Y-m-d H:i:s",$lastlogin)."\">".
 946                              "<img src=\"pics/button/time-info.png\" class=\"tinybutton\" alt=\"time info\" />".
 947                              "</span>\n";
 948
 949       /* show how many tricks the person made */
 950       switch($wins)
 951         {
 952         case 0:
 953           echo "#tricks 0"; break;
 954         case 1:
 955           echo "#tricks 1"; break;
 956         case 2:
 957         case 3:
 958         case 4:
 959           echo "#tricks few"; break;
 960         default:
 961           echo "#tricks many"; break;
 962         }
 963
 964       echo "   </div>\n";
 965
 966     }
 967   echo  "</div>\n"; /* end output table */
 968
 969
 970   return;
 971 }
 972
 973
 974 function display_user_menu($id)
 975 {
 976   global $WIKI,$INDEX;
 977
 978   $result = DB_query("SELECT Hand.hash,Hand.game_id,Game.player from Hand".
 979                      " LEFT JOIN Game On Hand.game_id=Game.id".
 980                      " WHERE Hand.user_id='$id'".
 981                      " AND ( Game.player='$id' OR ISNULL(Game.player) )".
 982                      " AND ( Game.status='pre' OR Game.status='play' )".
 983                      " ORDER BY Game.session" );
 984
 985   $i=0;
 986   while( $r = DB_fetch_array($result))
 987     {
 988       if($i==0)
 989         {
 990           echo "<div class=\"usermenu\">\n";
 991           echo "It's your turn in these games:<br />\n";
 992         }
 993
 994       $i++;
 995       echo "<a href=\"".$INDEX."?action=game&amp;me=".$r[0].
 996         "\">game ".DB_format_gameid($r[1])." </a><br />\n";
 997       if($i>4)
 998         {
 999           echo "...<br />\n";
1000           break;
1001         }
1002     }
1003
1004   if($i)
1005     echo  "</div>\n";
1006   return;
1007 }
1008
1009 function generate_score_table($session)
1010 {
1011   /* returns an array with N entries
1012    * $score[$i]["gameid"]   = gameid
1013    * $score[$i]["players"] = array (id=>total points)
1014    * $score[$i]["points"]   = points for this game
1015    * $score[$i]["solo"]     = 1 or 0
1016    */
1017   $score = array();
1018   $i=0;
1019
1020   /* get all ids */
1021   $gameids = DB_get_gameids_of_finished_games_by_session($session);
1022
1023   if($gameids == NULL)
1024     return $score;
1025
1026   /* get player id, names... from the first game */
1027   $player = array();
1028   $result = DB_query("SELECT User.id, User.fullname from Hand".
1029                      " LEFT JOIN User On Hand.user_id=User.id".
1030                      " WHERE Hand.game_id=".$gameids[0]);
1031   while( $r = DB_fetch_array($result))
1032     $player[$r[0]] = 0;
1033
1034   /* get points and generate table */
1035   foreach($gameids as $gameid)
1036     {
1037       $re_score = DB_get_score_by_gameid($gameid);
1038       $gametype = DB_get_gametype_by_gameid($gameid);
1039       foreach($player as $id=>$points)
1040         {
1041           $party = DB_get_party_by_gameid_and_userid($gameid,$id);
1042           if($party == "re")
1043             if($gametype=="solo")
1044               $player[$id] += 3*$re_score;
1045             else
1046               $player[$id] += $re_score;
1047           else if ($party == "contra")
1048             $player[$id] -= $re_score;
1049         }
1050       $score[$i]['gameid']  = $gameid ;
1051       $score[$i]['players'] = $player;
1052       $score[$i]['points']  = abs($re_score);
1053       $score[$i]['solo']    = ($gametype=="solo");
1054
1055       $i++;
1056     }
1057
1058   return $score;
1059 }
1060
1061 function generate_global_score_table()
1062 {
1063   $return = array();
1064
1065   /* get all ids */
1066   $gameids = DB_get_gameids_of_finished_games_by_session(0);
1067
1068   if($gameids == NULL)
1069     return '';
1070
1071   /* get player id, names... from the User table */
1072   $player = array();
1073   $result = DB_query('SELECT User.id, User.fullname FROM User');
1074
1075   /* save information in an array */
1076   while( $r = DB_fetch_array($result))
1077     $player[$r[0]] = array('name'=> $r[1], 'points' => 0 ,'nr' => 0);
1078
1079   /* get points and generate table */
1080   foreach($gameids as $gameid)
1081     {
1082       $re_score = DB_get_score_by_gameid($gameid);
1083       $gametype = DB_get_gametype_by_gameid($gameid);
1084
1085       /* get players involved in this game */
1086       $result = DB_query('SELECT user_id FROM Hand WHERE game_id='.DB_quote_smart($gameid));
1087       while($r = DB_fetch_array($result))
1088         {
1089           $id = $r[0];
1090           $party = DB_get_party_by_gameid_and_userid($gameid,$id);
1091           if($party == 're')
1092             if($gametype=='solo')
1093               $player[$id]['points'] += 3*$re_score;
1094             else
1095               $player[$id]['points'] += $re_score;
1096           else if ($party == 'contra')
1097             $player[$id]['points'] -= $re_score;
1098           if($party)
1099             $player[$id]['nr']+=1;
1100         }
1101     }
1102
1103   function cmp($a,$b)
1104   {
1105     if($a['nr']==0 ) return 1;
1106     if($b['nr']==0) return 1;
1107
1108     $a=$a['points']/$a['nr'];
1109     $b=$b['points']/$b['nr'];
1110
1111     if ($a == $b)
1112       return 0;
1113     return ($a > $b) ? -1 : 1;
1114   }
1115   usort($player,'cmp');
1116
1117   foreach($player as $pl)
1118     {
1119       /* limit to players with at least 10 games */
1120       if($pl['nr']>10)
1121         $return[] = array( $pl['name'], round($pl['points']/$pl['nr'],3), $pl['points'],$pl['nr']);
1122     }
1123
1124   return $return;
1125 }
1126
1127 function format_score_table_ascii($score)
1128 {
1129   $output="";
1130   if(sizeof($score)==0)
1131     return "";
1132
1133   /* truncate table if we have too many games */
1134   $max = sizeof($score);
1135   if($max>6) $output.=" (table truncated to last 6 games)\n";
1136
1137   /* output header */
1138   foreach($score[0]['players'] as $id=>$points)
1139     {
1140       $name = DB_get_name('userid',$id); /*TODO*/
1141       $output.= "  ".substr($name,0,2)."  |";
1142     }
1143   $output.="  P   |\n";
1144   $output.= "------+------+------+------+------+\n";
1145
1146   /* output score for each game */
1147   $i=0;
1148   foreach($score as $game)
1149     {
1150       $i++;
1151       if($i-1<$max-6) continue;
1152
1153       foreach($game['players'] as $id=>$points)
1154         $output.=str_pad($points,6," ",STR_PAD_LEFT)."|";
1155       $output.=str_pad($game['points'],4," ",STR_PAD_LEFT);
1156
1157       /* check for solo */
1158       if($game['solo'])
1159         $output.= " S|";
1160       else
1161         $output.= "  |";
1162
1163       $output.="\n";
1164     }
1165   return $output;
1166 }
1167
1168 function format_score_table_html($score,$userid)
1169 {
1170   global $INDEX;
1171
1172   if(sizeof($score)==0)
1173     return "";
1174
1175   $output = "<div class=\"scoretable\">\n<table class=\"score\">\n";
1176
1177   /* output header */
1178   $header = "";
1179   $header.= " <thead>\n  <tr>\n";
1180   $header.= "   <th> No </th>";
1181   foreach($score[0]['players'] as $id=>$points)
1182     {
1183       $name = DB_get_name('userid',$id); /*TODO*/
1184       $header.= "<th> ".substr($name,0,2)." </th>";
1185     }
1186   $header.="<th>P</th>\n  </tr>\n </thead>\n";
1187
1188   /* use the same as footer */
1189   $footer = "";
1190   $footer.= " <tfoot>\n  <tr>\n";
1191   $footer.= "   <td> No </td>";
1192   foreach($score[0]['players'] as $id=>$points)
1193     {
1194       $name = DB_get_name('userid',$id); /*TODO*/
1195       $footer.= "<td> ".substr($name,0,2)." </td>";
1196     }
1197   $footer.="<td>P</td>\n  </tr>\n </tfoot>\n";
1198
1199   /* body */
1200   $body = "";
1201   $body.= " <tbody>\n";
1202   $i=0;
1203   foreach($score as $game)
1204     {
1205       $i++;
1206       $body.="  <tr>";
1207       $userhash = DB_get_hash_from_gameid_and_userid($game['gameid'],$userid);
1208       /* create link to old games only if you are logged in and its your game*/
1209       if(isset($_SESSION['id']) && $_SESSION['id']==$userid)
1210         $body.="  <td> <a href=\"".$INDEX."?action=game&amp;me=".$userhash."\">$i</a></td>";
1211       else
1212         $body.="  <td>$i</td>";
1213
1214       foreach($game['players'] as $id=>$points)
1215         $body.="<td>".$points."</td>";
1216       $body.="<td>".$game['points'];
1217
1218       /* check for solo */
1219       if($game['solo'])
1220         $body.= " S";
1221       $body.="</td></tr>\n";
1222     }
1223
1224   $output.=$header;
1225   if($i>12)
1226     $output.=$footer;
1227   $output.=$body;
1228
1229   $output.=" </tbody>\n</table>\n</div>\n";
1230
1231   return $output;
1232 }
1233
1234 function createCache($content, $cacheFile)
1235 {
1236   $fp = fopen($cacheFile,"w");
1237   if($fp)
1238     {
1239       fwrite($fp,$content);
1240       fclose($fp);
1241     }
1242   else
1243     echo "WARNING: couldn't create cache file";
1244
1245   return;
1246 }
1247
1248 function getCache($cacheFile, $expireTime)
1249 {
1250   if( file_exists($cacheFile) &&
1251       filemtime($cacheFile )>( time() - $expireTime ) )
1252     {
1253       return file_get_contents($cacheFile);
1254     }
1255
1256   return false;
1257 }
1258
1259 function check_vacation($userid)
1260 {
1261   /* get start date */
1262   $result = DB_query_array("SELECT value FROM User_Prefs".
1263                      " WHERE user_id='$userid' AND pref_key='vacation start'" );
1264   if($result)
1265     $start = $result[0];
1266   else
1267     return NULL;
1268
1269   /* get end date */
1270   $result = DB_query_array("SELECT value FROM User_Prefs".
1271                      " WHERE user_id='$userid' AND pref_key='vacation stop'" );
1272   if($result)
1273     $stop = $result[0];
1274   else
1275     return NULL;
1276
1277   /* get comment */
1278   $result = DB_query_array("SELECT value FROM User_Prefs".
1279                      " WHERE user_id='$userid' AND pref_key='vacation comment'" );
1280   if($result)
1281     $comment = $result[0];
1282   else
1283     $comment = '';
1284
1285   /* check if user is on vacation. TODO: use user's timezone */
1286   if( (time() - strtotime($start) >0) &&
1287       (strtotime($stop) - time()  >0))
1288     return array ($start,$stop,$comment);
1289   else
1290     return NULL;
1291 }
1292
1293 function cancel_game($why,$gameid)
1294 {
1295   $gameid = DB_quote_smart($gameid);
1296
1297   /* update the game table */
1298   switch($why)
1299     {
1300     case 'timedout':
1301       DB_query("UPDATE Game SET status='cancel-timedout' WHERE id=$gameid");
1302       break;
1303     case 'nines':
1304       DB_query("UPDATE Game SET status='cancel-nines' WHERE id=$gameid");
1305       break;
1306     case 'trump':
1307       DB_query("UPDATE Game SET status='cancel-trump' WHERE id=$gameid");
1308       break;
1309     case 'noplay':
1310       DB_query("UPDATE Game SET status='cancel-noplay' WHERE id=$gameid");
1311       break;
1312     }
1313   /* set each player to gameover */
1314   $result = DB_query("SELECT id FROM Hand WHERE game_id=".DB_quote_smart($gameid));
1315   while($r = DB_fetch_array($result))
1316     {
1317       $id = $r[0];
1318       DB_query("UPDATE Hand SET status='gameover' WHERE id=".DB_quote_smart($id));
1319     }
1320
1321   return;
1322 }
1323
1324 ?>