麻将胡了

2026-09-22 15:39:53 +08:00
parent 8f8d2e042c
commit 470d1471e5
70 changed files with 6497 additions and 150 deletions
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.ruoyi.game.mahjong.mapper.MahjongRoundMapper">
+
+    <select id="pickByBucket" resultType="com.ruoyi.game.mahjong.domain.MahjongRound">
+        SELECT * FROM game_mahjong_round
+        WHERE box_id = #{boxId} AND bucket_id = #{bucketId}
+        <if test="needFreeSpins != null and needFreeSpins == true">AND free_spin_count &gt; 0</if>
+        <if test="needFreeSpins != null and needFreeSpins == false">AND free_spin_count = 0</if>
+        ORDER BY RAND() LIMIT 1
+    </select>
+
+    <select id="pickAnyByBox" resultType="com.ruoyi.game.mahjong.domain.MahjongRound">
+        SELECT * FROM game_mahjong_round
+        WHERE box_id = #{boxId}
+        <if test="needFreeSpins != null and needFreeSpins == true">AND free_spin_count &gt; 0</if>
+        <if test="needFreeSpins != null and needFreeSpins == false">AND free_spin_count = 0</if>
+        ORDER BY RAND() LIMIT 1
+    </select>
+
+    <!-- 收敛阶段：桶内取 actual_mul 最接近 desiredMul 的回合，优先 actual_mul ≤ capMul，从 top-10 随机取1 -->
+    <select id="pickClosestMul" resultType="com.ruoyi.game.mahjong.domain.MahjongRound">
+        SELECT * FROM (
+            SELECT * FROM game_mahjong_round
+            WHERE box_id = #{boxId} AND bucket_id = #{bucketId}
+            <if test="needFreeSpins != null and needFreeSpins == true">AND free_spin_count &gt; 0</if>
+            <if test="needFreeSpins != null and needFreeSpins == false">AND free_spin_count = 0</if>
+            ORDER BY (CASE WHEN actual_mul &lt;= #{capMul} THEN 0 ELSE 1 END),
+                     ABS(actual_mul - #{desiredMul})
+            LIMIT 10
+        ) AS closest_pool
+        ORDER BY RAND() LIMIT 1
+    </select>
+
+    <!-- 统计某个箱子池子里每个桶"实际赔出去多少"的均值：配比计算与后台「目标RTP」按它算 -->
+    <select id="avgMulByBucket" resultType="java.util.Map">
+        SELECT bucket_id AS bucketId, COUNT(*) AS sampleCount, AVG(actual_mul) AS avgMul
+        FROM game_mahjong_round
+        WHERE box_id = #{boxId}
+        GROUP BY bucket_id
+    </select>
+
+</mapper>