优化-实例化奖励列表到缓存中

server/app/api/logic/PlayStartLogic.php

@@ -48,7 +48,7 @@ class PlayStartLogic
             throw new ApiException('用户不存在');
         }
 
-        $minEv = (float) DiceRewardConfig::min('real_ev');
+        $minEv = DiceRewardConfig::getCachedMinRealEv();
         $minCoin = abs($minEv + self::MIN_COIN_EXTRA);
         $coin = (float) $player->coin;
         if ($coin < $minCoin) {
@@ -80,18 +80,14 @@ class PlayStartLogic
         // 索引范围为 0~25 共 26 个格子
         $boardSize = 26;
 
-        // 1. 根据抽到的档位，在 tier 相等的数据中任选一条，其 id 为结束索引 target_index
-        $tierRewards = DiceRewardConfig::where('tier', $tier)->select()->toArray();
+        // 1. 根据抽到的档位，在 tier 相等的数据中任选一条，其 id 为结束索引 target_index（从缓存读取）
+        $tierRewards = DiceRewardConfig::getCachedByTier($tier);
         if (empty($tierRewards)) {
             Log::error("档位 {$tier} 无任何奖励配置");
             throw new ApiException('该档位暂无奖励配置');
         }
         $chosen = $tierRewards[array_rand($tierRewards)];
-        $reward = DiceRewardConfig::find($chosen['id']);
-        if (!$reward) {
-            throw new ApiException('奖励配置不存在');
-        }
-        $targetIndex = (int) $reward->id;
+        $targetIndex = (int) ($chosen['id'] ?? 0);
         $targetIndex = (($targetIndex % $boardSize) + $boardSize) % $boardSize;
 
         // 2. 根据结果反推起始点 start_index（由 target_index 与方向反算）
@@ -111,14 +107,14 @@ class PlayStartLogic
             $startIndex,
             $targetIndex
         ));
-        $realEv = (float) $reward->real_ev;
+        $realEv = (float) ($chosen['real_ev'] ?? 0);
         $winCoin = 100 + $realEv; // 赢取平台币 = 100 + DiceRewardConfig.real_ev
 
         $record = null;
         $configId = (int) $config->id;
-        $rewardId = (int) $reward->id;
+        $rewardId = (int) ($chosen['id'] ?? 0);
         $configName = (string) ($config->name ?? '');
-        $isTierT5 = (string) ($reward->tier ?? '') === 'T5';
+        $isTierT5 = (string) ($chosen['tier'] ?? '') === 'T5';
         try {
             Db::transaction(function () use (
                 $playerId,