fix: NetOutputStream.writeVarInt()

proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/NetOutputStream_p340.java

@@ -14,17 +14,16 @@ import java.util.UUID;
 public abstract class NetOutputStream_p340 extends NetOutputStream {
     @Override
     public void writeVarInt(int value) {
-        do {
-            byte temp = (byte)(value & 0b01111111);
-            // Note: >>> means that the sign bit is shifted with the rest of the number rather than being left alone
+        while ((value & -128) != 0) {
+            writeByte(value & 127 | 128);
             value >>>= 7;
-            if (value != 0) {
-                temp |= 0b10000000;
-            }
-            writeByte(temp);
-        } while (value != 0);
+        }
+
+        writeByte(value);
     }
 
+
+
     @Override
     public void writeString(String value) {
         if (value.length() > Short.MAX_VALUE) {