The engine receives no signal, this is actually a rather big change as it forces you to 1. build redstone around this to power the engine, which may get rather complex in tight spaces 2. use a better gate to specify output side (Does this exist?) which makes the basic gate useless for this purpose.

Perhaps basic gates should output to all sides and then higher level gates can limit which sides it outputs to using the extra parameters?

@asiekierka Sounds good to me.

Oh... shit...

Here's a better idea: for non-pipe entities which connect to pipes, the output should be treated as non-sided (since you cannot send sided information to them anyway).

How does that sound?

Ah, so you're saying that only pipe wire inputs will cause sided outputs? Yeah, that'll work.

@adudney No, I'm saying that on a sides of a pipe where a tile is placed, it will take the global redstone output and not the sided one.

Ahhhhhhhh, I didn't know that was a thing. Cool.

Edit: OHHHH. Ok, now I get it.

@adudney - how about this?

Confirmed to work.

Doesn't work on relogging until it gets a block update. Edit: Or if you open the gate gui.

Fixed with addition of a separate redstone sided I/O parameter.