SyncableByteArray.java

package openmods.sync;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import net.minecraft.nbt.NBTTagCompound;

public class SyncableByteArray extends SyncableObjectBase implements ISyncableValueProvider<byte[]> {

	private byte[] value = new byte[0];

	public SyncableByteArray() {}

	public SyncableByteArray(byte[] val) {
		this.value = val;
	}

	public void setValue(byte[] newValue) {
		if (newValue != value) {
			value = newValue;
			markDirty();
		}
	}

	@Override
	public byte[] getValue() {
		return value;
	}

	@Override
	public void readFromStream(DataInputStream stream) throws IOException {
		int length = stream.readInt();
		value = new byte[length];
		for (int i = 0; i < length; i++) {
			value[i] = stream.readByte();
		}
	}

	@Override
	public void writeToStream(DataOutputStream stream)
			throws IOException {
		if (value == null) {
			stream.writeInt(0);
		} else {
			stream.writeInt(value.length);
			for (byte element : value) {
				stream.writeByte(element);
			}
		}
	}

	@Override
	public void writeToNBT(NBTTagCompound nbt, String name) {
		nbt.setByteArray(name, value);
	}

	@Override
	public void readFromNBT(NBTTagCompound nbt, String name) {
		nbt.getByteArray(name);
	}

}