OK, this is about the 16th hour (2 nights now) I've spent attempting to debug this, so I'm capitulating and asking for help : ).
There was a discussion of a signal patchmatrix a while back. I'm attempting to make a message-based version of the same thing. Attached is a version completely stripped of all but the essentials, to demonstrate the issue hopefully as clearly as possible: I'm using IEMMatrix to store the patchbay configuration. In the example, there are 3 inputs and 3 outputs. The "patmatel" object is simply to set matrix elements to 1 or 0. When an input comes in a particular inlet, say inlet 1, column 1 is retrieved from the matrix. The contents of column 1 enable or disable the 3 outlets. E.g., if inlet 1 is meant to go to outlets Y and Z (but not X), column 1 would contain 0 1 1. Next, inlet 1's actual value is sent to the 3 spigots, which either allow it through or block it. This will of course all be clearer if you are viewing the patch. Assuming you are now: in column 1 of the patchmatrix on the upper left, enable outputs 2(Y) and 3(Z) (such that the matrix looks like this: 0 0 0 1 0 0 1 0 0 ). Now, in the top right, send "10101" to input A (this is an arbitrary value for demonstration). Over on the right, you'll see that it reaches output Z but not output Y. This (as it is easier to determine now - my actual configuration is a 9inx17out matrix that connects most of my library of patches, hence the 16 hours of debugging) is because: output Z feeds back to input C, thus retrieving column 3 of the patchmatrix, which is set to send to no outlets at all (0 0 0). Apparently, by the time "10101" reaches output Y's spigot, it has already closed. If anyone is still following... how can I make this work? I guess I need to delay the inputs from arriving until the outlets are finished transmitting, but I'm a bit lost as to how to do that elegantly. P.S. An [mtx_spigot] object would be great for this type of thing : ). I have it on my list to attempt an abstraction of such an object. [mtx_mul~] works just like I'd want the message-based version to.
WhatIsThisBare.pd
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WhatIsThisCommented.pd
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WhatIsThisDebug.pd
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sft.patmatel.pd
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