From b6546f76d8198c0ec78c27734ceea56bafe88b75 Mon Sep 17 00:00:00 2001
From: aozhiwei <aozhiwei@kingsome.cn>
Date: Mon, 4 Apr 2022 10:29:36 +0800
Subject: [PATCH] 1

---
 webapp/mt/BlindBox.php            | 56 +++++++++++++++++++++++++++++++
 webapp/services/MarketService.php | 20 +++++++++++
 2 files changed, 76 insertions(+)
 create mode 100644 webapp/mt/BlindBox.php

diff --git a/webapp/mt/BlindBox.php b/webapp/mt/BlindBox.php
new file mode 100644
index 00000000..4acde085
--- /dev/null
+++ b/webapp/mt/BlindBox.php
@@ -0,0 +1,56 @@
+<?php
+
+namespace mt;
+
+class BlindBox {
+
+    public static function randItem($boxId, $groupId)
+    {
+        self::mustBeGroupHash();
+        $key = $boxId . '_' . $groupId;
+        $spaceKey = $key . '_rand_space';
+
+        $spaceVal = getXVal(self::$groupHash, $spaceKey, 0);
+        $rndVal = $spaceVal > 0 ? rand() % $spaceVal : 0;
+
+        $groups = getXVal(self::$groupHash, $key);
+        foreach ($groups as $group) {
+            if ($rndVal <= $group['_weight']) {
+                return $group;
+            }
+        }
+        return null;
+    }
+
+    protected static function mustBeGroupHash()
+    {
+        if (is_null(self::$groupHash)) {
+            self::$groupHash = array();
+            foreach (self::getMetaList() as $meta) {
+                $key = $meta['box_id'] . '_' . $meta['group_id'];
+                $spaceKey = $key . '_rand_space';
+
+                $spaceVal = getXVal(self::$groupHash, $spaceKey, 0) + $meta['weight'];
+                self::$groupHash[$spaceKey] = $spaceVal;
+
+                $meta['_weight'] = $spaceVal;
+                if (!getXVal(self::$groupHash, $key)) {
+                    self::$groupHash[$key] = array();
+                }
+                array_push(self::$groupHash[$key], $meta);
+            }
+        }
+    }
+
+    protected static function getMetaList()
+    {
+        if (!self::$metaList) {
+            self::$metaList = getMetaTable('blindBox@blindBox.php');
+        }
+        return self::$metaList;
+    }
+
+    protected static $metaList;
+    protected static $groupHash;
+
+};
diff --git a/webapp/services/MarketService.php b/webapp/services/MarketService.php
index a6f49448..e86eb94e 100644
--- a/webapp/services/MarketService.php
+++ b/webapp/services/MarketService.php
@@ -261,4 +261,24 @@ class MarketService extends BaseService {
         return str_replace("\n", '\n', $str);
     }
 
+    public static function openBox($itemMeta, &$items)
+    {
+        if ($itemMeta['type'] == mt\Item::BLIND_BOX_TYPE) {
+            //group1:100|group2:100|group3:100
+            $groups = StrHelper::parseList($meta['param1'], array('|', ':'));
+            foreach ($groups as $group) {
+
+            }
+        } else {
+            $tokenType = Nft::getTokenType($itemMeta);
+            if ($tokenType != Nft::NONE_TYPE) {
+                array_push($items, array(
+                    'need' => 1,
+                    'item_id' => $itemMeta['id'],
+                    'token_type' => $tokenType,
+                ));
+            }
+        }
+    }
+
 }