protected void b(NBTTagCompound nbttagcompound) {
   super.b(nbttagcompound);
   this.a = nbttagcompound.getBoolean("Source");
 }
 protected void a(NBTTagCompound nbttagcompound) {
   super.a(nbttagcompound);
   nbttagcompound.setBoolean("Source", this.a);
 }