feat: 项目初始化 + 3D方块世界原型 + AI助搭系统

初始化 monorepo: Go后端(7微服务) + Unity客户端(9模块) + 启动器 HTML5原型: Three.js 3D体素世界, Perlin噪声地形, 原版材质, 22种方块 Minecraft创造模式背包: 双栏布局, 拖拽移动物品, 方向性元件引脚 AI助搭策划文档 + 客户端/服务端骨架 + Docker Compose + CI
2026-08-08 14:07:56 +08:00
parent 9500c4c80a
commit f70b061d1a
1972 changed files with 159760 additions and 6 deletions
@@ -0,0 +1,29 @@
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+
+namespace PCL.Core.Utils.Exts;
+
+public static class ConcurrentDictionaryExtension
+{
+    extension<TKey, TValue>(ConcurrentDictionary<TKey, TValue> dict) where TKey: notnull
+    {
+        public bool CompareAndRemove(TKey key,
+            TValue comparison) => ((ICollection<KeyValuePair<TKey, TValue>>)dict).Remove(new KeyValuePair<TKey, TValue>(key, comparison));
+
+        public TValue? UpdateAndGetPrevious(TKey key,
+            TValue value)
+        {
+            TValue? prevValue = default;
+            dict.AddOrUpdate(key, _ =>
+            {
+                prevValue = default;
+                return value;
+            }, (_, existingValue) =>
+            {
+                prevValue = existingValue;
+                return value;
+            });
+            return prevValue;
+        }
+    }
+}