@Override
    public void load(CompoundTag tag) {
        super.load(tag);
        gateState = tag.getByte("state");
    }
Mapped inputs and outputs of the gate.
OOOO IIII
High nybble is output.
Low nybble is input
fabrication/src/main/java/mrtjp/projectred/fabrication/engine/gates/RedstoneGateTile.java