How to handle parameterised blueprints when p0_s is invalid

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Doggfite
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How to handle parameterised blueprints when p0_s is invalid

Post by Doggfite »

I have a set of train station blueprints in working on right now and I'm trying to make them work for any input item. The wall I'm currently hitting is that I have a value set up as basically a test for an item with non stack size, IE fluids, and it has an initialised value of -1 and then a variable name "flu" and a formula of "p0_s * 0"
This way, if I returns 0, I know it's a stacked items and the station requires calculations for stacks or if the formula fails it returns the initial value of -1 and it's a fluid.

The wall I am hitting is that I need to use this value in other formulas, but when I call the variable name it seems to try to run the function in each one instead of returning the value of the variable which is -1 after that line has been evaluated.
If that makes sense.

Anyway, you can view my blueprint here if you would like to see, when you select a stacking item the train station will display its enable condition as signal E >= # where E is the number of stacks the station requires to be full and the # is a full train load of stacks of the item.
If you attempt it with a fluid, it will display the negative initialized values as any formula calling variable "flu" breaks.

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