feat,wip: 유니크 입찰 기본 구현

hwe/sammo/Auction.php

@@ -31,6 +31,37 @@ abstract class Auction
 
   protected AuctionBidItem|null|false $_highestBid = false;
 
+  static public function genObfuscatedName(int $id): string
+  {
+    $db = DB::db();
+    $gameStor = KVStorage::getStorage($db, 'game_env');
+
+    $namePool = $gameStor->getValue('obfuscatedNamePool');
+    if ($namePool === null) {
+      $rng = new RandUtil(new LiteHashDRBG(Util::simpleSerialize(
+        UniqueConst::$hiddenSeed,
+      )));
+      $namePool = [];
+      foreach (GameConst::$randGenFirstName as $ch0) {
+        foreach (GameConst::$randGenMiddleName as $ch1) {
+          foreach (GameConst::$randGenLastName as $ch2) {
+            $namePool[] = "{$ch0}{$ch1}{$ch2}";
+          }
+        }
+      }
+      $namePool = $rng->shuffle($namePool);
+      $gameStor->setValue('obfuscatedNamePool', $namePool);
+    }
+
+
+    $dupIdx = intdiv($id, count($namePool));
+    $subIdx = $id % count($namePool);
+    if ($dupIdx == 0) {
+      return $namePool[$subIdx];
+    }
+    return "{$namePool[$subIdx]}{$dupIdx}";
+  }
+
   static protected function openAuction(AuctionInfo $info, General $general): int|string
   {
     $db = DB::db();
@@ -238,6 +269,7 @@ abstract class Auction
       return '유산포인트가 부족합니다.';
     }
 
+    $obfuscatedName = static::genObfuscatedName($general->getID());
     //여기서부터 입찰 성공
 
     $newBid = new AuctionBidItem(
@@ -249,7 +281,7 @@ abstract class Auction
       $now,
       new AuctionBidItemData(
         $general->getVar('owner_name'),
-        $general->getName(),
+        $obfuscatedName,
         $tryExtendCloseDate,
       )
     );
@@ -275,7 +307,7 @@ abstract class Auction
     $general->increaseRankVar(RankColumn::inherit_point_spent_dynamic, $morePoint);
 
     if ($highestBid !== null && $myPrevBid === null) {
-      $this->refundBid($highestBid, "{$auctionInfo->id}번 $auctionInfo->detail->title}에 상회입찰자가 나타났습니다.");
+      $this->refundBid($highestBid, "{$auctionInfo->id}번 {$auctionInfo->detail->title}에 상회입찰자가 나타났습니다.");
     }
     $general->applyDB($db);
     return null;