Fix horse race seed pool payouts

app/Http/Controllers/HorseRaceController.php

@@ -51,6 +51,7 @@ class HorseRaceController extends Controller
         // 计算各马匹当前注额
         $config = GameConfig::forGame('horse_racing')?->params ?? [];
         $houseTake = (int) ($config['house_take_percent'] ?? 5);
+        $seedPool = (int) ($config['seed_pool'] ?? 0);
 
         $horsePools = HorseBet::query()
             ->where('race_id', $race->id)
@@ -59,13 +60,13 @@ class HorseRaceController extends Controller
             ->pluck('pool', 'horse_id')
             ->toArray();
 
+        $oddsMap = HorseRace::calcOdds($horsePools, $houseTake, $seedPool);
+
         // 计算实时赔率
         $horses = $race->horses ?? [];
-        $horsesWithBets = array_map(function ($horse) use ($horsePools, $houseTake) {
+        $horsesWithBets = array_map(function ($horse) use ($horsePools, $oddsMap) {
             $horsePool = (int) ($horsePools[$horse['id']] ?? 0);
-            $totalPool = array_sum(array_values($horsePools));
-            $netPool = $totalPool * (1 - $houseTake / 100);
-            $odds = $horsePool > 0 ? round($netPool / $horsePool, 2) : null;
+            $odds = $horsePool > 0 ? ($oddsMap[$horse['id']] ?? null) : null;
 
             return [
                 'id' => $horse['id'],