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CSBase/_Tool/Packet_Class.nut

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+/*
+文件名:Pack_Class.nut
+路径:Base/_Tool/Pack_Class.nut
+创建日期:2025-06-30	09:24
+文件用途:字节包
+*/
+class Packet {
+
+    //读取指针位置
+    Index = 0;
+
+    //内存数据
+    Pointer = null;
+    //包大小
+    Size = 0;
+
+
+    //加载包
+    function Load(P, S) {
+        Pointer = P;
+        Size = S;
+    }
+
+    //读取指针跳转
+    function Seek(...) {
+        local Pos = vargv[0];
+        local Mode = 0;
+        if(vargc > 1) Mode = vargv[1];
+        if (Mode == 0) {
+            Index = Pos;
+        } else if (Mode == 1) {
+            Index += Pos;
+        } else if (Mode == 2) {
+            Index -= Pos;
+        }
+    }
+
+    //读取整形
+    function GetInt() {
+        local Size_t = 4;
+        if (Index + Size_t > Size) {
+            print("读取包越界！");
+            return;
+        }
+        local Buf = NativePointer(Pointer).add(Index).readInt();
+        Index += Size_t;
+        return Buf;
+    }
+
+    //读取流
+    function GetStream(Size_t) {
+        if (Index + Size_t > Size) {
+            print("读取包越界！");
+            return;
+        }
+        local Np = NativePointer(Pointer).add(Index);
+        Np.Size = Size_t;
+        Index += Size_t;
+        return Np;
+    }
+}