refactor: s1_vdata queries cached and reused

#313

GameEngine/Admin/function.php

@@ -85,7 +85,7 @@ class funct {
         }
         if (!$killhero){
             $killhero=$database->FindHeroInOasis($get['uid']);
-        }    
+        }
         if ($killhero) {
             $database->KillMyHero($get['uid']);
             $error="&kc=1";
@@ -109,14 +109,17 @@ class funct {
       case "addHero":
         $user = $database->getUserArray($get['uid'],1);
         $vilarray=$database->getVrefCapital($get['uid']);
-        
+        if (!$vilarray) {
+            return;
+        }
+
         $database->query("INSERT INTO ".TB_PREFIX."hero (`uid`, `wref`, `regeneration`, `unit`, `name`, `level`, `points`,
         `experience`, `dead`, `health`, `attack`, `defence`, `attackbonus`, `defencebonus`, `trainingtime`, `autoregen`,
         `intraining`) VALUES (".(int) $get['uid'].", " . (int) $vilarray['wref'] . ", '0', ".(int) $get['u'].", '".addslashes($user['username'])."',
         '0', '5', '0', '0', '100', '0', '0', '0', '0', '".time()."', '50', '0')");
-        
+
         $database->query("UPDATE ".TB_PREFIX."units SET hero = 1 WHERE vref = ".(int) $vilarray['wref']);
-        
+
         header("Location: admin.php?p=player&uid=".$get['uid']."&ac=1");
         exit;
 		}