NEW FEATURE: reuse random numbers from old games

random numbers generated for old games are reused in case none
of the players were in that old game. Will be interesting how different
people play with the same hand ;)

diff --git a/db.php b/db.php
index 935c8486660d3d8453596dc65fac6db4f587fe7d..a44436043228c57c132c9367425e58756aa6bfaf 100644 (file)
--- a/db.php
+++ b/db.php
@@ -764,4 +764,19 @@ function DB_get_PREF($myid)
     return;
 }
 
+function DB_get_unused_randomnumbers($userstr)
+{
+  $queryresult = mysql_query("SELECT randomnumbers,Game.id FROM Game ".
+                            "  LEFT JOIN Hand ON Hand.game_id=Game.id ".
+                            "                 AND  user_id not in (".$userstr.")".
+                            "  GROUP BY  Game.id ".
+                            "  HAVING num=4");
+  
+  $r = mysql_fetch_array($queryresult,MYSQL_NUM);
+  if($r)
+    return $r[0];
+  else
+    return "";
+}
+
 ?>
\ No newline at end of file

diff --git a/functions.php b/functions.php
index 997ba43e154af02582aa59ff981015d2e85628fa..4f33f1e41c00019c5e569621f2193d14b2db6e03 100644 (file)
--- a/functions.php
+++ b/functions.php
@@ -423,7 +423,7 @@ function card_value($card)
 }
 
 
-function  create_array_of_random_numbers()
+function  create_array_of_random_numbers($useridA,$useridB,$useridC,$useridD)
 {
   global $debug;
 
@@ -446,10 +446,21 @@ function  create_array_of_random_numbers()
     }
   else
     {
+      /* check if we can find a game were non of the player was involved and return 
+       * cards insted 
+       */
+      $userstr = implode(",",array($useridA,$useridB,$useridC,$useridD));
+      $randomnumbers = DB_get_unused_randomnumbers($userstr);
+      $randomnumbers = explode(":",$randomnumbers);
+      
+      if(sizeof($randomnumbers)==48)
+       return $randomnumbers;
+      
+      /* need to create new numbers */
       for($i=0;$i<48;$i++)
        $r[$i]=$i+1;
       
-      shuffle($r);
+      shuffle($r); 
     };
 
   return $r;

diff --git a/index.php b/index.php
index a2cf35b0cd2f38a1085e1088c5d6fa258ab5e530..fa828daabfb498aba84c089247b07cc680ab1f40 100644 (file)
--- a/index.php
+++ b/index.php
@@ -72,7 +72,7 @@ if(myisset("new"))
     $useridD  = DB_get_userid_by_name($PlayerD);
     
     /* create random numbers */
-    $randomNR       = create_array_of_random_numbers();
+    $randomNR       = create_array_of_random_numbers($useridA,$useridB,$useridC,$useridD);
     $randomNRstring = join(":",$randomNR);
     
     /* get ruleset information or create new one */