548 lines
24 KiB
PHP
548 lines
24 KiB
PHP
<?php
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declare(strict_types=1);
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namespace app\api\logic;
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use app\api\cache\UserCache;
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use app\api\service\LotteryService;
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use app\dice\model\lottery_pool_config\DiceLotteryPoolConfig;
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use app\dice\model\play_record\DicePlayRecord;
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use app\dice\model\player\DicePlayer;
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use app\dice\model\player_ticket_record\DicePlayerTicketRecord;
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use app\dice\model\player_wallet_record\DicePlayerWalletRecord;
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use app\dice\model\reward\DiceReward;
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use app\dice\model\reward\DiceRewardConfig;
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use plugin\saiadmin\exception\ApiException;
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use support\Log;
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use support\think\Cache;
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use support\think\Db;
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/**
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* 开始游戏 / 抽奖一局
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*/
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class PlayStartLogic
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{
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/** 抽奖类型：付费 */
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public const LOTTERY_TYPE_PAID = 0;
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/** 抽奖类型：免费 */
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public const LOTTERY_TYPE_FREE = 1;
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/** 钱包流水类型：抽奖 */
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public const WALLET_TYPE_DRAW = 5;
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/** 对局状态：成功 */
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public const RECORD_STATUS_SUCCESS = 1;
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/** 对局状态：超时/失败 */
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public const RECORD_STATUS_TIMEOUT = 0;
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/** 开启对局最低余额 = |DiceRewardConfig 最小 real_ev + 100| */
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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） */
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private const SUPER_WIN_GRID_NUMBERS = [5, 10, 15, 20, 25, 30];
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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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* 执行一局游戏
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* @param int $playerId 玩家ID
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* @param int $direction 方向 0=无/顺时针 1=中奖/逆时针（前端 direction）
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* @return array 成功返回 DicePlayRecord 数据；余额不足时抛 ApiException，message 为约定文案
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*/
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public function run(int $playerId, int $direction): array
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{
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$player = DicePlayer::find($playerId);
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if (!$player) {
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throw new ApiException('用户不存在');
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}
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$minEv = DiceRewardConfig::getCachedMinRealEv();
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$minCoin = abs($minEv + self::MIN_COIN_EXTRA);
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$coin = (float) $player->coin;
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if ($coin < $minCoin) {
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throw new ApiException('当前玩家余额'.$coin.'小于'.$minCoin.'无法继续游戏');
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}
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$paid = (int) ($player->paid_ticket_count ?? 0);
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$free = (int) ($player->free_ticket_count ?? 0);
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if ($paid + $free <= 0) {
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throw new ApiException('抽奖券不足');
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}
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$lotteryService = LotteryService::getOrCreate($playerId);
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$ticketType = LotteryService::drawTicketType($paid, $free);
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$config = $ticketType === self::LOTTERY_TYPE_PAID
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? ($lotteryService->getConfigType0Id() ? DiceLotteryPoolConfig::find($lotteryService->getConfigType0Id()) : null)
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: ($lotteryService->getConfigType1Id() ? DiceLotteryPoolConfig::find($lotteryService->getConfigType1Id()) : null);
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// 未找到付费/免费对应配置时，统一回退到 type=0 的彩金池
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if (!$config) {
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$config = DiceLotteryPoolConfig::where('type', 0)->find();
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}
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if (!$config) {
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throw new ApiException('奖池配置不存在');
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}
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// 计算当前玩家在该彩金池中的累计盈利金额：当前中奖金额（含 BIGWIN）减去抽奖券费用 100
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$playerQuery = DicePlayRecord::where('player_id', $playerId)
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->where('lottery_config_id', $config->id)
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->where('status', self::RECORD_STATUS_SUCCESS);
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$playerWinSum = (float) $playerQuery->sum('win_coin');
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$playerPlayCount = (int) $playerQuery->count();
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$playerProfitTotal = $playerWinSum - 100.0 * $playerPlayCount;
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$safetyLine = (int) ($config->safety_line ?? 0);
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// 玩家累计盈利金额达到或超过安全线时，按奖池 T*_weight 杀分；否则按玩家 T*_weight 抽档位
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$usePoolWeights = $playerProfitTotal >= $safetyLine;
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// 按档位 T1-T5 抽取后，从 DiceReward 表按当前方向取该档位数据，再按 weight 抽取一条得到 grid_number
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$rewardInstance = DiceReward::getCachedInstance();
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$byTierDirection = $rewardInstance['by_tier_direction'] ?? [];
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$maxTierRetry = 10;
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$chosen = null;
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$tier = null;
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for ($tierAttempt = 0; $tierAttempt < $maxTierRetry; $tierAttempt++) {
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$tier = $usePoolWeights
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? LotteryService::drawTierByWeights($config)
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: LotteryService::drawTierByPlayerWeights($player);
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$tierRewards = $byTierDirection[$tier][$direction] ?? [];
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if (empty($tierRewards)) {
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Log::warning("档位 {$tier} 方向 {$direction} 无任何 DiceReward，重新摇取档位");
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continue;
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}
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try {
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$chosen = self::drawRewardByWeight($tierRewards);
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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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throw $e;
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}
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break;
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}
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if ($chosen === null) {
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Log::error("多次摇取档位后仍无有效 DiceReward");
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throw new ApiException('暂无可用奖励配置');
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}
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$startIndex = (int) ($chosen['start_index'] ?? 0);
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$targetIndex = (int) ($chosen['end_index'] ?? 0);
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$rollNumber = (int) ($chosen['grid_number'] ?? 0);
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$realEv = (float) ($chosen['real_ev'] ?? 0);
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$isTierT5 = (string) ($chosen['tier'] ?? '') === 'T5';
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$rewardWinCoin = $isTierT5 ? $realEv : (100 + $realEv);
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// 豹子判定：5/30 必豹子；10/15/20/25 按 DiceRewardConfig 中 BIGWIN 该点数的 weight 判定（0-10000，10000=100%）
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$superWinCoin = 0;
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$isWin = 0;
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$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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$bigWinWeight = 10000;
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if ($bigWinConfig !== null && isset($bigWinConfig['weight'])) {
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$bigWinWeight = min(10000, max(0, (int) $bigWinConfig['weight']));
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$bigWinRealEv = (float) ($bigWinConfig['real_ev'] ?? 0);
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}
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$roll = (random_int(0, PHP_INT_MAX - 1) / (float) PHP_INT_MAX);
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$doSuperWin = $bigWinWeight > 0 && $roll < ($bigWinWeight / 10000.0);
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} else {
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if ($bigWinConfig !== null) {
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$bigWinRealEv = (float) ($bigWinConfig['real_ev'] ?? 0);
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}
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}
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if ($doSuperWin) {
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$rollArray = $this->getSuperWinRollArray($rollNumber);
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$isWin = 1;
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$superWinCoin = $bigWinRealEv > 0 ? $bigWinRealEv : self::SUPER_WIN_BONUS;
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// 中 BIGWIN 豹子：不走原奖励流程，不记录原奖励，不触发 T5 再来一次，仅发放豹子奖金
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$rewardWinCoin = 0;
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$realEv = 0;
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$isTierT5 = false;
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} else {
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$rollArray = $this->generateNonSuperWinRollArrayWithSum($rollNumber);
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}
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} else {
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$rollArray = $this->generateRollArrayFromSum($rollNumber);
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}
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Log::info(sprintf(
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'摇取点数 roll_number=%d, 方向=%d, start_index=%d, target_index=%d',
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$rollNumber,
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$direction,
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$startIndex,
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$targetIndex
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));
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$winCoin = $superWinCoin + $rewardWinCoin; // 赢取平台币 = 中大奖 + 摇色子中奖（豹子时 rewardWinCoin 已为 0）
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$record = null;
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$configId = (int) $config->id;
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$rewardId = ($isWin === 1 && $superWinCoin > 0) ? 0 : $targetIndex; // 中豹子不记录原奖励配置 id
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$configName = (string) ($config->name ?? '');
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$adminId = ($player->admin_id ?? null) ? (int) $player->admin_id : null;
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try {
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Db::transaction(function () use (
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$playerId,
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$adminId,
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$configId,
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$rewardId,
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$configName,
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$ticketType,
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$winCoin,
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$superWinCoin,
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$rewardWinCoin,
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$isWin,
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$realEv,
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$bigWinRealEv,
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$direction,
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$startIndex,
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$targetIndex,
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$rollArray,
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$isTierT5,
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&$record
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) {
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$record = DicePlayRecord::create([
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'player_id' => $playerId,
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'admin_id' => $adminId,
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'lottery_config_id' => $configId,
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'lottery_type' => $ticketType,
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'is_win' => $isWin,
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'win_coin' => $winCoin,
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'super_win_coin' => $superWinCoin,
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'reward_win_coin' => $rewardWinCoin,
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'use_coins' => 0,
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'direction' => $direction,
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'reward_config_id' => $rewardId,
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'start_index' => $startIndex,
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'target_index' => $targetIndex,
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'roll_array' => is_array($rollArray) ? json_encode($rollArray) : $rollArray,
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'roll_number' => is_array($rollArray) ? array_sum($rollArray) : 0,
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'lottery_name' => $configName,
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'status' => self::RECORD_STATUS_SUCCESS,
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]);
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$p = DicePlayer::find($playerId);
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if (!$p) {
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throw new \RuntimeException('玩家不存在');
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}
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$coinBefore = (float) $p->coin;
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$coinAfter = $coinBefore + $winCoin;
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$p->coin = $coinAfter;
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$p->total_ticket_count = max(0, (int) $p->total_ticket_count - 1);
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if ($ticketType === self::LOTTERY_TYPE_PAID) {
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$p->paid_ticket_count = max(0, (int) $p->paid_ticket_count - 1);
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} else {
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$p->free_ticket_count = max(0, (int) $p->free_ticket_count - 1);
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}
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// 若本局中奖档位为 T5，则额外赠送 1 次免费抽奖次数（总次数也 +1），并记录抽奖券获取记录
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if ($isTierT5) {
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$p->free_ticket_count = (int) $p->free_ticket_count + 1;
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$p->total_ticket_count = (int) $p->total_ticket_count + 1;
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DicePlayerTicketRecord::create([
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'player_id' => $playerId,
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'admin_id' => $adminId,
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'free_ticket_count' => 1,
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'remark' => '中奖结果为T5',
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]);
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}
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$p->save();
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// 玩家累计盈利底层仍使用 profit_amount 字段存储：每局按“当前中奖金额（含 BIGWIN） - 抽奖券费用 100”累加
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// 需确保表有 profit_amount 字段（见 db/dice_lottery_config_add_profit_amount.sql）
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$perPlayProfit = $winCoin - 100.0;
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$addProfit = $perPlayProfit;
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try {
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DiceLotteryPoolConfig::where('id', $configId)->update([
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'profit_amount' => Db::raw('IFNULL(profit_amount,0) + ' . (float) $addProfit),
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]);
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} catch (\Throwable $e) {
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Log::warning('彩金池盈利累加失败，请确认表 dice_lottery_config 已存在 profit_amount 字段并执行 db/dice_lottery_config_add_profit_amount.sql', [
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'config_id' => $configId,
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'add_profit' => $addProfit,
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'real_ev' => $realEv,
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'bigwin_ev' => $bigWinRealEv,
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'message' => $e->getMessage(),
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]);
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}
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DicePlayerWalletRecord::create([
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'player_id' => $playerId,
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'admin_id' => $adminId,
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'coin' => $winCoin,
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'type' => self::WALLET_TYPE_DRAW,
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'wallet_before' => $coinBefore,
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'wallet_after' => $coinAfter,
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'remark' => '抽奖|play_record_id=' . $record->id,
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]);
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});
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} catch (\Throwable $e) {
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if ($record === null) {
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try {
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$record = DicePlayRecord::create([
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'player_id' => $playerId,
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'admin_id' => $adminId ?? null,
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'lottery_config_id' => $configId ?? 0,
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'lottery_type' => $ticketType,
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'is_win' => 0,
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'win_coin' => 0,
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'super_win_coin' => 0,
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'reward_win_coin' => 0,
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'use_coins' => 0,
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'direction' => $direction,
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'reward_config_id' => 0,
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'start_index' => $startIndex,
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'target_index' => 0,
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'roll_array' => '[]',
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'roll_number' => 0,
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'status' => self::RECORD_STATUS_TIMEOUT,
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]);
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} catch (\Throwable $_) {
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// 表可能无 status 字段时忽略
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}
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}
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throw $e;
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}
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$updated = DicePlayer::find($playerId);
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if ($updated) {
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UserCache::setUser($playerId, $updated->hidden(['password'])->toArray());
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}
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if (!$record instanceof DicePlayRecord) {
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throw new \RuntimeException('对局记录创建失败');
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}
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$arr = $record->toArray();
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if (isset($arr['roll_array']) && is_string($arr['roll_array'])) {
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$arr['roll_array'] = json_decode($arr['roll_array'], true) ?? [];
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}
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$arr['roll_number'] = is_array($arr['roll_array'] ?? null) ? array_sum($arr['roll_array']) : 0;
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$arr['tier'] = $tier ?? '';
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// 记录完数据后返回当前玩家余额与抽奖次数
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$arr['coin'] = $updated ? (float) $updated->coin : 0;
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$arr['total_ticket_count'] = $updated ? (int) $updated->total_ticket_count : 0;
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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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* 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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$candidateWeights = [];
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foreach ($rewards as $i => $row) {
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$w = isset($row['weight']) ? (float) $row['weight'] : 0.0;
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if ($w > 0) {
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$candidateWeights[$i] = $w;
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}
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}
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$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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* 根据摇取点数（5-30）生成 5 个色子数组，每个 1-6，总和为 $sum
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* @return int[] 如 [1,2,3,4,5]
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*/
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private function generateRollArrayFromSum(int $sum): array
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{
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$sum = max(5, min(30, $sum));
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$arr = [1, 1, 1, 1, 1];
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$remain = $sum - 5;
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for ($i = 0; $i < $remain; $i++) {
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$candidates = array_keys(array_filter($arr, function ($v) {
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return $v < 6;
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}));
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if (empty($candidates)) {
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break;
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}
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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($arr);
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return array_values($arr);
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}
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/**
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* 豹子组合：5->[1,1,1,1,1]，10->[2,2,2,2,2]，15->[3,3,3,3,3]，20->[4,4,4,4,4]，25->[5,5,5,5,5]，30->[6,6,6,6,6]
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* @return int[]
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*/
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private function getSuperWinRollArray(int $gridNumber): array
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{
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if ($gridNumber === 30) {
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return array_fill(0, 5, 6);
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}
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$n = (int) ($gridNumber / 5);
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$n = max(1, min(5, $n));
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return array_fill(0, 5, $n);
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}
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/**
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* 生成总和为 $sum 且非豹子的 5 个色子（1-6）；sum=5 时仅 [1,1,1,1,1] 可能，仍返回该组合
|
||
* @return int[]
|
||
*/
|
||
private function generateNonSuperWinRollArrayWithSum(int $sum): array
|
||
{
|
||
$sum = max(5, min(30, $sum));
|
||
$super = $this->getSuperWinRollArray($sum);
|
||
if ($sum === 5) {
|
||
return $super;
|
||
}
|
||
$arr = $super;
|
||
$maxAttempts = 20;
|
||
for ($a = 0; $a < $maxAttempts; $a++) {
|
||
$idx = random_int(0, count($arr) - 1);
|
||
$j = random_int(0, count($arr) - 1);
|
||
if ($idx === $j) {
|
||
$j = ($j + 1) % 5;
|
||
}
|
||
$i = $idx;
|
||
if ($arr[$i] >= 2 && $arr[$j] <= 5) {
|
||
$arr[$i]--;
|
||
$arr[$j]++;
|
||
shuffle($arr);
|
||
return array_values($arr);
|
||
}
|
||
if ($arr[$i] <= 5 && $arr[$j] >= 2) {
|
||
$arr[$i]++;
|
||
$arr[$j]--;
|
||
shuffle($arr);
|
||
return array_values($arr);
|
||
}
|
||
}
|
||
return $this->generateRollArrayFromSum($sum);
|
||
}
|
||
|
||
/**
|
||
* 模拟一局抽奖（不写库、不扣玩家），用于权重测试写入 dice_play_record_test
|
||
* @param \app\dice\model\lottery_pool_config\DiceLotteryPoolConfig|null $config 奖池配置，自定义档位时可为 null
|
||
* @param int $direction 0=顺时针 1=逆时针
|
||
* @param int $lotteryType 0=付费 1=免费
|
||
* @param array|null $customTierWeights 自定义档位权重 ['T1'=>x, 'T2'=>x, ...]，非空时忽略 config 的档位权重
|
||
* @return array 可直接用于 DicePlayRecordTest::create 的字段 + tier（用于统计档位概率）
|
||
*/
|
||
public function simulateOnePlay($config, int $direction, int $lotteryType = 0, ?array $customTierWeights = null): array
|
||
{
|
||
$rewardInstance = DiceReward::getCachedInstance();
|
||
$byTierDirection = $rewardInstance['by_tier_direction'] ?? [];
|
||
$maxTierRetry = 10;
|
||
$chosen = null;
|
||
$tier = null;
|
||
for ($tierAttempt = 0; $tierAttempt < $maxTierRetry; $tierAttempt++) {
|
||
if ($customTierWeights !== null && $customTierWeights !== []) {
|
||
$tier = LotteryService::drawTierByWeightsFromArray($customTierWeights);
|
||
} else {
|
||
if ($config === null) {
|
||
throw new \RuntimeException('模拟抽奖：未提供奖池配置或自定义档位权重');
|
||
}
|
||
$tier = LotteryService::drawTierByWeights($config);
|
||
}
|
||
$tierRewards = $byTierDirection[$tier][$direction] ?? [];
|
||
if (empty($tierRewards)) {
|
||
continue;
|
||
}
|
||
try {
|
||
$chosen = self::drawRewardByWeight($tierRewards);
|
||
} catch (\RuntimeException $e) {
|
||
if ($e->getMessage() === self::EXCEPTION_WEIGHT_ALL_ZERO) {
|
||
continue;
|
||
}
|
||
throw $e;
|
||
}
|
||
break;
|
||
}
|
||
if ($chosen === null) {
|
||
throw new \RuntimeException('模拟抽奖：无可用奖励配置');
|
||
}
|
||
|
||
$startIndex = (int) ($chosen['start_index'] ?? 0);
|
||
$targetIndex = (int) ($chosen['end_index'] ?? 0);
|
||
$rollNumber = (int) ($chosen['grid_number'] ?? 0);
|
||
$realEv = (float) ($chosen['real_ev'] ?? 0);
|
||
$isTierT5 = (string) ($chosen['tier'] ?? '') === 'T5';
|
||
$rewardWinCoin = $isTierT5 ? $realEv : (100 + $realEv);
|
||
|
||
$superWinCoin = 0;
|
||
$isWin = 0;
|
||
$bigWinRealEv = 0.0;
|
||
if (in_array($rollNumber, self::SUPER_WIN_GRID_NUMBERS, true)) {
|
||
$bigWinConfig = DiceRewardConfig::getCachedByTierAndGridNumber('BIGWIN', $rollNumber);
|
||
$alwaysSuperWin = in_array($rollNumber, self::SUPER_WIN_ALWAYS_GRID_NUMBERS, true);
|
||
$doSuperWin = $alwaysSuperWin;
|
||
if (!$doSuperWin) {
|
||
$bigWinWeight = 10000;
|
||
if ($bigWinConfig !== null && isset($bigWinConfig['weight'])) {
|
||
$bigWinWeight = min(10000, max(0, (int) $bigWinConfig['weight']));
|
||
}
|
||
$roll = (random_int(0, PHP_INT_MAX - 1) / (float) PHP_INT_MAX);
|
||
$doSuperWin = $bigWinWeight > 0 && $roll < ($bigWinWeight / 10000.0);
|
||
}
|
||
if ($bigWinConfig !== null && isset($bigWinConfig['real_ev'])) {
|
||
$bigWinRealEv = (float) $bigWinConfig['real_ev'];
|
||
}
|
||
if ($doSuperWin) {
|
||
$rollArray = $this->getSuperWinRollArray($rollNumber);
|
||
$isWin = 1;
|
||
$superWinCoin = $bigWinRealEv > 0 ? $bigWinRealEv : self::SUPER_WIN_BONUS;
|
||
$rewardWinCoin = 0;
|
||
} else {
|
||
$rollArray = $this->generateNonSuperWinRollArrayWithSum($rollNumber);
|
||
}
|
||
} else {
|
||
$rollArray = $this->generateRollArrayFromSum($rollNumber);
|
||
}
|
||
|
||
$winCoin = $superWinCoin + $rewardWinCoin;
|
||
$configId = $config !== null ? (int) $config->id : 0;
|
||
$rewardId = ($isWin === 1 && $superWinCoin > 0) ? 0 : $targetIndex;
|
||
$configName = $config !== null ? (string) ($config->name ?? '') : '自定义';
|
||
$costRealEv = $realEv + ($isWin === 1 ? $bigWinRealEv : 0.0);
|
||
|
||
return [
|
||
'player_id' => 0,
|
||
'admin_id' => 0,
|
||
'lottery_config_id' => $configId,
|
||
'lottery_type' => $lotteryType,
|
||
'is_win' => $isWin,
|
||
'win_coin' => $winCoin,
|
||
'super_win_coin' => $superWinCoin,
|
||
'reward_win_coin' => $rewardWinCoin,
|
||
'use_coins' => 0,
|
||
'direction' => $direction,
|
||
'reward_config_id' => $rewardId,
|
||
'start_index' => $startIndex,
|
||
'target_index' => $targetIndex,
|
||
'roll_array' => json_encode($rollArray),
|
||
'roll_number' => array_sum($rollArray),
|
||
'lottery_name' => $configName,
|
||
'status' => self::RECORD_STATUS_SUCCESS,
|
||
'tier' => $tier,
|
||
'roll_number_for_count' => $rollNumber,
|
||
'real_ev' => $realEv,
|
||
'bigwin_real_ev' => $isWin === 1 ? $bigWinRealEv : 0.0,
|
||
'cost_ev' => $costRealEv,
|
||
];
|
||
}
|
||
}
|