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盲盒转盘bug修改

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赵钊
2025-09-16 18:08:15 +08:00
parent da92bf2134
commit 8b0597423f
2 changed files with 72 additions and 50 deletions
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95
application/api/model/BlindBoxTurntableGift.php
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@@ -534,70 +534,87 @@ class BlindBoxTurntableGift extends Model
/*
* 预计算单次抽奖结果
*/
private function precompute_single_draw($gift_bag_id,$room_id,$available_gifts,$last_periods_remaining=[]) {
private function precompute_single_draw($gift_bag_id, $room_id, $available_gifts, $last_periods_remaining = []) {
// 生成缓存键
$available_cache_key = 'blindbox_available_gifts_' . $gift_bag_id . '_' . $room_id;
$last_remaining_cache_key = 'blindbox_last_remaining_' . $gift_bag_id . '_' . $room_id;
// 保证有可用礼物
if (empty($available_gifts)) {
return false;
}
$last_remaining_all = array_sum(array_column($last_periods_remaining, 'remaining_number'));
if($last_remaining_all == 0){
if ($last_remaining_all == 0) {
$last_periods_remaining = [];
cache($last_remaining_cache_key, null);
}
$last_periods_remaining_flag = 0;
if(!empty($last_periods_remaining)){
if (!empty($last_periods_remaining)) {
$available_gifts = $last_periods_remaining;
//操作上期奖池标识
$last_periods_remaining_flag = 1;
}
// 实现加权随机算法：剩余数量越多，被抽中的概率越大
$remaining = 0;
foreach ($available_gifts as $gift) {
$remaining += $gift['remaining_number'];
}
$rand_value = mt_rand(1, $remaining);
$current_sum = 0;
// 循环尝试直到抽中有效礼物
$max_attempts = 5; // 最大尝试次数，防止无限循环
$attempt = 0;
$selected_gift = null;
foreach ($available_gifts as $gift) {
if($gift['remaining_number'] <= 0){
continue;
while ($attempt < $max_attempts && !$selected_gift) {
// 实现加权随机算法：剩余数量越多，被抽中的概率越大
$remaining = 0;
foreach ($available_gifts as $gift) {
$remaining += $gift['remaining_number'];
}
$current_sum += $gift['remaining_number'];
if ($rand_value <= $current_sum) {
$selected_gift = $gift;
break;
if ($remaining <= 0) {
break; // 如果没有剩余数量，跳出循环
}
$rand_value = mt_rand(1, $remaining);
$current_sum = 0;
foreach ($available_gifts as $gift) {
if ($gift['remaining_number'] <= 0) {
continue;
}
$current_sum += $gift['remaining_number'];
if ($rand_value <= $current_sum) {
$selected_gift = $gift;
break;
}
}
$attempt++;
}
if (!$selected_gift) {
return false;
}
// 获取开出礼物的信息
$gift = db::name("vs_gift")
->where(['gid'=>$selected_gift['foreign_id']])
->where(['gid' => $selected_gift['foreign_id']])
->find();
if (!$gift) {
return false;
}
//操作缓存，减去缓存中对应数据数量
// 操作缓存，减去缓存中对应数据数量
foreach ($available_gifts as &$available_gifts_gift) {
if($selected_gift['id'] == $available_gifts_gift['id']){
if ($selected_gift['id'] == $available_gifts_gift['id']) {
$available_gifts_gift['remaining_number'] -= 1;
}
}
if($available_gifts_gift['remaining_number'] == 0){
if ($available_gifts_gift['remaining_number'] == 0) {
unset($available_gifts_gift);
}
if($last_periods_remaining_flag == 1){
//操作上一轮奖池
cache($last_remaining_cache_key,$available_gifts);
}else{
cache($available_cache_key,$available_gifts);
if ($last_periods_remaining_flag == 1) {
// 操作上一轮奖池
cache($last_remaining_cache_key, $available_gifts);
} else {
cache($available_cache_key, $available_gifts);
}
return [
@@ -631,16 +648,18 @@ class BlindBoxTurntableGift extends Model
$play_image[] = $draw_gift['play_image'];
$text_message = $user_nickname . '在' . $room_name . '房间送给了' . $ToUserInfo['nickname'] . $draw_gift['gift_name'] . 'X' . $value['count']."\n";
$text_list_new[] = [
'text' => $text_message,
'gift_picture' => $draw_gift['base_image'],
'room_id' => $room_id,
'fromUserName' => $FromUserInfo['nickname'],
'toUserName' => $ToUserInfo['nickname'],
'giftName' => $draw_gift['gift_name'],
'roomId' => $room_id,
'number' => $value['count'],
];
if($draw_gift['is_public_server'] == 1) {
$text_list_new[] = [
'text' => $text_message,
'gift_picture' => $draw_gift['base_image'],
'room_id' => $room_id,
'fromUserName' => $FromUserInfo['nickname'],
'toUserName' => $ToUserInfo['nickname'],
'giftName' => $draw_gift['gift_name'],
'roomId' => $room_id,
'number' => $value['count'],
];
}
}
@@ -666,7 +685,7 @@ class BlindBoxTurntableGift extends Model
//聊天室推送系统消息
model('Chat')->sendMsg(1028,$room_id,$text1);
}else{
if($draw_gift['is_public_server'] == 1){
if(!empty($text_list_new)){
//推送礼物横幅
$push = new Push($blind_box_turntable['user_id'], $room_id);
$push->giftBanner($text_list_new);