重新优化中奖权重计算方式
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@@ -36,9 +36,9 @@ class PlayStartLogic
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private const MIN_COIN_EXTRA = 100;
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/** 豹子号中大奖额外平台币（无 BIGWIN 配置时兜底） */
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private const SUPER_WIN_BONUS = 500;
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/** 可触发超级大奖的 grid_number（5=全1 10=全2 15=全3 20=全4 25=全5 30=全6）；其中 5 和 30 固定 100% 出豹子 */
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/** 可触发超级大奖的 grid_number（5=全1 10=全2 15=全3 20=全4 25=全5 30=全6） */
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private const SUPER_WIN_GRID_NUMBERS = [5, 10, 15, 20, 25, 30];
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/** grid_number 为 5 或 30 时豹子概率固定 100%（DiceRewardConfig tier=BIGWIN 约定） */
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/** 5 和 30 抽到即豹子，不参与 BIGWIN 权重判定；10/15/20/25 按 BIGWIN weight 判定是否豹子 */
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private const SUPER_WIN_ALWAYS_GRID_NUMBERS = [5, 30];
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/**
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@@ -85,10 +85,9 @@ class PlayStartLogic
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$safetyLine = (int) ($config->safety_line ?? 0);
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$usePoolWeights = $poolProfit >= $safetyLine;
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// 按上述规则抽取档位；若该档位无奖励或该方向下均无可用路径则重新摇取档位
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// 按档位 T1-T5 抽取后，直接按该档位内 weight 抽取一条 DiceRewardConfig，得到 grid_number
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$maxTierRetry = 10;
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$chosen = null;
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$startCandidates = [];
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$tier = null;
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for ($tierAttempt = 0; $tierAttempt < $maxTierRetry; $tierAttempt++) {
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$tier = $usePoolWeights
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@@ -99,58 +98,55 @@ class PlayStartLogic
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Log::warning("档位 {$tier} 无任何奖励配置，重新摇取档位");
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continue;
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}
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$maxRewardRetry = count($tierRewards);
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for ($attempt = 0; $attempt < $maxRewardRetry; $attempt++) {
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try {
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$chosen = self::drawRewardByWeight($tierRewards);
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$chosenId = (int) ($chosen['id'] ?? 0);
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if ($direction === 0) {
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$startCandidates = DiceRewardConfig::getCachedBySEndIndex($chosenId);
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} else {
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$startCandidates = DiceRewardConfig::getCachedByNEndIndex($chosenId);
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} catch (\RuntimeException $e) {
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if ($e->getMessage() === self::EXCEPTION_WEIGHT_ALL_ZERO) {
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Log::warning("档位 {$tier} 下所有奖励权重均为 0，重新摇取档位");
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continue;
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}
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if (!empty($startCandidates)) {
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break 2;
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}
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Log::warning("方向 {$direction} 下无 s_end_index/n_end_index={$chosenId} 的配置，重新摇取");
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throw $e;
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}
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Log::warning("方向 {$direction} 下档位 {$tier} 所有奖励均无可用路径配置，重新摇取档位");
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break;
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}
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if (empty($startCandidates)) {
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Log::error("方向 {$direction} 下多次摇取档位后仍无可用路径配置");
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throw new ApiException('该方向下暂无可用路径配置');
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if ($chosen === null) {
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Log::error("多次摇取档位后仍无有效权重配置");
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throw new ApiException('暂无可用奖励配置');
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}
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$chosenId = (int) ($chosen['id'] ?? 0);
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$startRecord = $startCandidates[array_rand($startCandidates)];
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$startIndex = (int) ($startRecord['id'] ?? 0);
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$targetIndex = $direction === 0
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? (int) ($startRecord['s_end_index'] ?? 0)
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: (int) ($startRecord['n_end_index'] ?? 0);
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$rollNumber = (int) ($startRecord['grid_number'] ?? 0);
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// 起始索引：根据 direction 取 s_start_index（顺时针）或 n_start_index（逆时针）；结束索引：当前中奖配置 id
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$startIndex = $direction === 0
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? (int) ($chosen['s_start_index'] ?? 0)
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: (int) ($chosen['n_start_index'] ?? 0);
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$targetIndex = $chosenId;
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$rollNumber = (int) ($chosen['grid_number'] ?? 0);
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$realEv = (float) ($chosen['real_ev'] ?? 0);
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$rewardWinCoin = 100 + $realEv; // 摇色子中奖平台币 = 100 + DiceRewardConfig.real_ev
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$isTierT5 = (string) ($chosen['tier'] ?? '') === 'T5';
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// T5（再来一次）：摇色子中奖平台币 = 配置的 real_ev；其他档位 = 100 + real_ev
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$rewardWinCoin = $isTierT5 ? $realEv : (100 + $realEv);
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// 当抽到的 grid_number 为 5/10/15/20/25/30 时，可出豹子；其中 grid_number=5 与 30 固定 100% 豹子（BIGWIN 约定）
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// 流程：先抽档位 T1-T5，再按档位内权重抽色子点数；5 和 30 抽到即豹子，10/15/20/25 按 BIGWIN weight 判定是否中大奖（豹子如 [4,4,4,4,4]）
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$superWinCoin = 0;
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$isWin = 0;
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$bigWinRealEv = 0.0; // BIGWIN 档位的真实资金结算，用于从彩金池盈利中一并扣除
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$bigWinRealEv = 0.0;
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if (in_array($rollNumber, self::SUPER_WIN_GRID_NUMBERS, true)) {
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$bigWinConfig = DiceRewardConfig::getCachedByTierAndGridNumber('BIGWIN', $rollNumber);
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$alwaysSuperWin = in_array($rollNumber, self::SUPER_WIN_ALWAYS_GRID_NUMBERS, true);
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$doSuperWin = $alwaysSuperWin;
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if (!$doSuperWin) {
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$weight = $bigWinConfig !== null
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? max(0.0, min(100.0, (float) ($bigWinConfig['weight'] ?? 0)))
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: 100.0;
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$roll = mt_rand(1, 10000) / 10000;
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$doSuperWin = $roll <= $weight / 100;
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? max(1, min(10000, (int) ($bigWinConfig['weight'] ?? 1)))
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: 10000;
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$roll = (random_int(0, PHP_INT_MAX - 1) / (float) PHP_INT_MAX);
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$doSuperWin = $roll < ($weight / 10000.0);
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}
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if ($doSuperWin) {
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$rollArray = $this->getSuperWinRollArray($rollNumber);
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$isWin = 1;
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if ($bigWinConfig !== null) {
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$bigWinRealEv = (float) ($bigWinConfig['real_ev'] ?? 0);
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$superWinCoin = 100 + $bigWinRealEv;
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$superWinCoin = $bigWinRealEv;
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} else {
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$superWinCoin = self::SUPER_WIN_BONUS;
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}
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@@ -174,7 +170,6 @@ class PlayStartLogic
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$configId = (int) $config->id;
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$rewardId = $chosenId;
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$configName = (string) ($config->name ?? '');
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$isTierT5 = (string) ($chosen['tier'] ?? '') === 'T5';
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$adminId = ($player->admin_id ?? null) ? (int) $player->admin_id : null;
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try {
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Db::transaction(function () use (
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@@ -322,34 +317,39 @@ class PlayStartLogic
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return $arr;
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}
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/** 该组配置权重均为 0 时抛出，供调用方重试 */
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private const EXCEPTION_WEIGHT_ALL_ZERO = 'REWARD_WEIGHT_ALL_ZERO';
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/**
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* T1-T5 档位内按 DiceRewardConfig.weight 抽取一条配置；权重均为 0 或未设时等权随机
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* @param array<int, array> $rewards 该档位配置列表（每条含 weight、id、real_ev 等）
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* @return array 抽中的一条配置
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* 按权重抽取一条配置：仅 weight>0 参与抽取（weight=0 不会被摇到）
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* 使用 [0, total) 浮点随机，支持最小权重 0.1%（如 weight=0.1），避免整数随机导致小权重失真
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* 全部 weight 为 0 时抛出 RuntimeException(EXCEPTION_WEIGHT_ALL_ZERO)
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*/
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private static function drawRewardByWeight(array $rewards): array
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{
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if (empty($rewards)) {
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throw new \InvalidArgumentException('rewards 不能为空');
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}
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$weights = [];
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$candidateWeights = [];
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foreach ($rewards as $i => $row) {
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$w = isset($row['weight']) ? max(0, (float) $row['weight']) : 0;
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$weights[$i] = $w;
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}
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$total = array_sum($weights);
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if ($total <= 0) {
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return $rewards[array_rand($rewards)];
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}
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$r = mt_rand(1, (int) $total);
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$acc = 0;
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foreach ($weights as $i => $w) {
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$acc += $w;
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if ($r <= $acc) {
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return $rewards[$i];
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$w = isset($row['weight']) ? (float) $row['weight'] : 0.0;
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if ($w > 0) {
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$candidateWeights[$i] = $w;
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}
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}
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return $rewards[array_key_last($rewards)];
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$total = (float) array_sum($candidateWeights);
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if ($total > 0) {
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$r = (random_int(0, PHP_INT_MAX - 1) / (float) PHP_INT_MAX) * $total;
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$acc = 0.0;
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foreach ($candidateWeights as $i => $w) {
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$acc += $w;
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if ($r < $acc) {
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return $rewards[$i];
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}
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}
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return $rewards[array_key_last($candidateWeights)];
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}
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throw new \RuntimeException(self::EXCEPTION_WEIGHT_ALL_ZERO);
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}
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/**
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@@ -368,7 +368,7 @@ class PlayStartLogic
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if (empty($candidates)) {
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break;
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}
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$idx = $candidates[array_rand($candidates)];
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$idx = $candidates[random_int(0, count($candidates) - 1)];
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$arr[$idx]++;
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}
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shuffle($arr);
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@@ -403,8 +403,8 @@ class PlayStartLogic
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$arr = $super;
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$maxAttempts = 20;
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for ($a = 0; $a < $maxAttempts; $a++) {
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$idx = array_rand($arr);
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$j = array_rand($arr);
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$idx = random_int(0, count($arr) - 1);
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$j = random_int(0, count($arr) - 1);
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if ($idx === $j) {
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$j = ($j + 1) % 5;
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}
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@@ -119,9 +119,9 @@ class LotteryService
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{
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$total = array_sum($weights);
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if ($total <= 0) {
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return $tiers[array_rand($tiers)];
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return $tiers[random_int(0, count($tiers) - 1)];
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}
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$r = mt_rand(1, $total);
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$r = random_int(1, $total);
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$acc = 0;
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foreach ($weights as $i => $w) {
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$acc += $w;
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@@ -145,7 +145,7 @@ class LotteryService
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return 0;
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}
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$total = $paid + $free;
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$r = mt_rand(1, $total);
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$r = random_int(1, $total);
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return $r <= $paid ? 0 : 1;
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}
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