[FEATURE] Added LocoPK Random

src/main/java/org/parabot/randoms/locopk/MacAddressFix.java

@@ -0,0 +1,77 @@
+package org.parabot.randoms.locopk;
+
+import org.parabot.core.Context;
+import org.parabot.core.asm.ASMClassLoader;
+import org.parabot.environment.randoms.Random;
+import org.parabot.environment.randoms.RandomType;
+
+import java.lang.reflect.Field;
+
+/**
+ * @author EmmaStone
+ */
+public class MacAddressFix implements Random {
+
+    private boolean done;
+
+    @Override
+    public boolean activate() {
+        return !done;
+    }
+
+    @Override
+    public void execute() {
+        try {
+            final ASMClassLoader classLoader = Context.getInstance().getASMClassLoader();
+
+            Class<?> createUID = classLoader.loadClass("com.locopk.client.rs.CreateUID");
+
+            Field mac = createUID.getDeclaredField("mac");
+
+            String randomMac = randomMacAddress();
+
+            System.out.println(randomMac);
+
+            mac.set(null, randomMac);
+        } catch (ClassNotFoundException | NoSuchFieldException | IllegalAccessException e) {
+            e.printStackTrace();
+        }
+
+        done = true;
+    }
+
+    @Override
+    public String getName() {
+        return "Mac Address Fix";
+    }
+
+    @Override
+    public String getServer() {
+        return "locopk";
+    }
+
+    @Override
+    public RandomType getRandomType() {
+        return RandomType.ON_SERVER_START;
+    }
+
+    private String randomMacAddress(){
+        java.util.Random rand    = new java.util.Random();
+        byte[]           macAddr = new byte[6];
+        rand.nextBytes(macAddr);
+
+        macAddr[0] = (byte)(macAddr[0] & (byte)254);  //zeroing last 2 bytes to make it unicast and locally adminstrated
+
+        StringBuilder sb = new StringBuilder(18);
+        for(byte b : macAddr){
+
+            if(sb.length() > 0)
+                sb.append("");
+
+            sb.append(String.format("%02x", b));
+        }
+
+
+        return sb.toString().toUpperCase();
+    }
+}