1111

Dps_A/BaseClass/BlobExClass/BlobExClass.nut

@@ -56,4 +56,66 @@ class BlobEx extends blob {
         return stream_myreadstring(count);
     }
     
+}
+
+class blobex extends blob {
+
+    //-----------------Metamethods--------------------//
+    function _typeof() {
+        return "blobex";
+    }
+    //-----------------Metamethods--------------------//
+
+    constructor(arg) {
+        //通过blob构造
+        if (typeof arg == "blob") {
+            base.constructor(arg.len());
+            writeblob(arg);
+        }
+        //直接构造
+        else {
+            base.constructor(arg);
+        }
+    }
+
+    function writeblob(B) {
+        base.writeblob(B);
+        seek(0);
+    }
+
+    function GetUShort() {
+        return readn('w');
+    }
+
+    function GetShort() {
+        return readn('s');
+    }
+
+    function charPtrToInt(arr) {
+        local value = ((arr[0]) << 0) |
+            ((arr[1]) << 8) |
+            ((arr[2]) << 16) |
+            ((arr[3]) << 24);
+        return value;
+    }
+
+    function GetInt() {
+        local CurTPos = tell();
+        local Ret = charPtrToInt([this[CurTPos], this[CurTPos + 1], this[CurTPos + 2], this[CurTPos + 3]]);
+        seek(4, 'c');
+        return Ret;
+    }
+
+    function Get256() {
+        local Buf = readn('c');
+        return (256.0 + Buf.tofloat()) % 256.0;
+    }
+
+    function GetFloat() {
+        return readn('f');
+    }
+
+    function GetString(count) {
+        return stream_myreadstring(count);
+    }
 }