Fix compile errors

connector/src/main/java/org/geysermc/connector/utils/NibbleArray.java

@@ -1,129 +0,0 @@
-package org.geysermc.connector.utils;
-
-import com.google.common.base.Preconditions;
-
-
-
-public class NibbleArray implements Cloneable {
-
-    private final byte[] data;
-
-
-
-    public NibbleArray(int length) {
-
-        data = new byte[length / 2];
-
-    }
-
-
-
-    public NibbleArray(byte[] array) {
-
-        data = array;
-
-    }
-
-
-
-    public byte get(int index) {
-
-        Preconditions.checkElementIndex(index, data.length * 2);
-
-        byte val = data[index / 2];
-
-        if ((index & 1) == 0) {
-
-            return (byte) (val & 0x0f);
-
-        } else {
-
-            return (byte) ((val & 0xf0) >>> 4);
-
-        }
-
-    }
-
-
-
-    public void set(int index, byte value) {
-
-        Preconditions.checkArgument(value >= 0 && value < 16, "Nibbles must have a value between 0 and 15.");
-
-        Preconditions.checkElementIndex(index, data.length * 2);
-
-        value &= 0xf;
-
-        int half = index / 2;
-
-        byte previous = data[half];
-
-        if ((index & 1) == 0) {
-
-            data[half] = (byte) (previous & 0xf0 | value);
-
-        } else {
-
-            data[half] = (byte) (previous & 0x0f | value << 4);
-
-        }
-
-    }
-
-
-
-    public void fill(byte value) {
-
-        Preconditions.checkArgument(value >= 0 && value < 16, "Nibbles must have a value between 0 and 15.");
-
-        value &= 0xf;
-
-        for (int i = 0; i < data.length; i++) {
-
-            data[i] = (byte) ((value << 4) | value);
-
-        }
-
-    }
-
-
-
-    public void copyFrom(byte[] bytes) {
-
-        Preconditions.checkNotNull(bytes, "bytes");
-
-        Preconditions.checkArgument(bytes.length == data.length, "length of provided byte array is %s but expected %s", bytes.length,
-
-                data.length);
-
-        System.arraycopy(bytes, 0, data, 0, data.length);
-
-    }
-
-
-
-    public void copyFrom(NibbleArray array) {
-
-        Preconditions.checkNotNull(array, "array");
-
-        copyFrom(array.data);
-
-    }
-
-
-
-    public byte[] getData() {
-
-        return data;
-
-    }
-
-
-
-    public NibbleArray copy() {
-
-        return new NibbleArray(getData().clone());
-
-    }
-
-}