+function is_trump($c) { return (($c<27) ? 1:0);}
+function is_club($c) { return (in_array($c,array('27','28','29','30','31','32','33','34')));}
+function is_spade($c) { return (in_array($c,array('35','36','37','38','39','40','41','42')));}
+function is_heart($c) { return (in_array($c,array('43','44','45','46','47','48')));}
+
+function compare_cards($a,$b)
+{
+ /* if a is higher than b return 1, else 0, a being the card first played */
+
+ /* first map all cards to the odd number */
+ if( $a/2 - (int)($a/2) != 0.5)
+ $a--;
+ if( $b/2 - (int)($b/2) != 0.5)
+ $b--;
+
+ if(is_trump($a) && $a<=$b)
+ return 1;
+ else if(is_trump($a) && $a>$b)
+ return 0;
+ else
+ { /*$a is not a trump */
+ if(is_trump($b))
+ return 0;
+ else
+ {
+ /* both clubs? */
+ if( is_club($a) && is_club($b))
+ if($a<=$b)
+ return 1;
+ else
+ return 0;
+ /* both spade? */
+ if( is_spade($a) && is_spade($b))
+ if($a<=$b)
+ return 1;
+ else
+ return 0;
+ /* both heart? */
+ if( is_heart($a) && is_heart($b))
+ if($a<=$b)
+ return 1;
+ else
+ return 0;
+ return 1;
+ }
+ }
+
+}
+
+function get_winner($p)
+{
+ /* get all 4 cards played in a trick */
+ $c1 = $p[0];
+ $c2 = $p[1];
+ $c3 = $p[2];
+ $c4 = $p[3];
+
+ /* find out who won */
+ if( compare_cards($c1,$c2) && compare_cards($c1,$c3) && compare_cards($c1,$c4) )
+ return 0;
+ if( compare_cards($c2,$c3) && compare_cards($c2,$c4) )
+ return 1;
+ if( compare_cards($c3,$c4) )
+ return 2;
+ return 3;
+}
+
projects / e-DoKo.git / blobdiff