How to use

markDirty

method

in

cofh.core.util.filter.ItemFilterWrapper

@Override
public void closeInventory(EntityPlayer player) {
  markDirty();
}

public void setFlag(int flag, boolean value) {
  filterWrapper.getFilter().setFlag(flag, value);
  if (CoreUtils.isClient()) {
    PacketCore.sendFilterPacketToServer(flag, value);
  }
  filterWrapper.markDirty();
}

public ItemFilterWrapper(ItemStack stack, int size) {
  if (stack.getTagCompound() == null) {
    stack.setTagCompound(new NBTTagCompound());
  }
  this.stack = stack;
  this.filter = new ItemFilter(size);
  filter.deserializeNBT(stack.getTagCompound().getCompoundTag(CoreProps.FILTER));
  markDirty();
}