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Assets/ThirdParty/UniFramework/UniUtility/Runtime/BitMask32.cs

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+using System;
+
+namespace UniFramework.Utility
+{
+    internal struct BitMask32
+    {
+        private int _mask;
+
+        public static implicit operator int(BitMask32 mask) { return mask._mask; }
+        public static implicit operator BitMask32(int mask) { return new BitMask32(mask); }
+
+        public BitMask32(int mask)
+        {
+            _mask = mask;
+        }
+
+        /// <summary>
+        /// 打开位
+        /// </summary>
+        public void Open(int bit)
+        {
+			if (bit < 0 || bit > 31)
+				throw new ArgumentOutOfRangeException();
+            else
+                _mask |= 1 << bit;
+        }
+
+        /// <summary>
+        /// 关闭位
+        /// </summary>
+        public void Close(int bit)
+        {
+            if (bit < 0 || bit > 31)
+				throw new ArgumentOutOfRangeException();
+			else
+                _mask &= ~(1 << bit);
+        }
+
+        /// <summary>
+        /// 位取反
+        /// </summary>
+        public void Reverse(int bit)
+        {
+            if (bit < 0 || bit > 31)
+				throw new ArgumentOutOfRangeException();
+			else
+                _mask ^= 1 << bit;
+        }
+
+		/// <summary>
+		/// 所有位取反
+		/// </summary>
+		public void Inverse()
+		{
+			_mask = ~_mask;
+		}
+
+		/// <summary>
+		/// 比对位值
+		/// </summary>
+		public bool Test(int bit)
+        {
+            if (bit < 0 || bit > 31)
+				throw new ArgumentOutOfRangeException();
+			else
+				return (_mask & (1 << bit)) != 0;
+        }
+    }
+}