A fix is coming in one of the next version of Cinema 4D, so that OutputBlockSize == InputBlockSize and therefor you will not need to add this "useless" values at the end to fullfill the outValues.

That's great news. I'll hold off till then.

As an example, if you have 405 inputs in total. The sample function will be called 2 times with:

• 400 inputs and 400 outputs to feed.
• 5 inputs and for the moment 400 outputs to feed.

So in order to fix the issue the best workaround I see right now is to compensate to also provide a list of 400 entries, even if theses values will be unused.

    outputs._value = [
        c4d.utils.RangeMap((~mgEffector * mgInput * p).GetLength(), 100., 0., 0., 1., True)
        for p in inputs._position
    ] + ([0.0] * (outputs.GetCount() - inputs.GetCount()))

A fix is coming in one of the next version of Cinema 4D, so that OutputBlockSize == InputBlockSize and therefor you will not need to add this "useless" values at the end to fullfill the outValues.

Cheers,
Maxime.

    outputs._value = [
        c4d.utils.RangeMap((~mgEffector * mgInput * p).GetLength(), 100., 0., 0., 1., True)
        for p in inputs._position
    ]

to

    outValues = outputs._value

    for index, p in enumerate(inputs._position):
        outValues[index] = c4d.utils.RangeMap((~mgEffector * mgInput * p).GetLength(), 100., 0., 0., 1., True)

    outputs._value = outValues

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Cheers,
Ferdinand