Odd problem in MaxScript

Rigging
1

So I’m trying to set this point3 value into MaxScript after importing it from a text file, however I get this error:

This basically tells me “unable to convert a point3 into a point3” can anyone help please?

Here’s my code snippet. I highlighted the offending part in red.

Thanks guys!

	while eof in_file == false do
(
	textline = readline in_file
	tokens = filterString textline ";"

	print tokens[1]
	print tokens[2]
	print tokens[3]
	print tokens[4]
	
	exoName[i] = tokens[1] as string
	--exoPosition[i] = tokens[2] as point3
	--exoRotation[i] = tokens[3] as quat
	--exoScale[i] = tokens[4] as point3
	
	
	currNode = getNodeByName exoName[i]
	
	if currNode != undefined do
	(
		move currNode tokens[2] as point3
		rotate currNode (tokens[3] as quat)
		scale currNode (tokens[4] as point3)
	)		
	i = i+1 
)
2

It’s because “[-3.49,69,666]” is a string and there’s no automatic conversion to a point3

try:

local pointThree = execute token[2]

3

I’d be nervous of using execute. It has some unpleasant scope side effects.

If your text file is well formed, the following should get you on your way.


-- Untested --
while eof in_file == false do
(
    exoName[i] = readValue in_file
    exoPosition[i] = readValue in_file
    exoRotation[i] = readValue in_file
    exoScale[i] = readValue in_file

    currNode = getNodeByName exoName[i]

    if currNode != undefined do
    (
        move currNode exoPosition[i]
        rotate currNode exoRotation[i]
        scale currNode exoScale[i] 
    )
    i = i+1
)

Cheers,

Drea

4

Execute is not necessarily bad, but it’s not always the right tool, especially on really large loops. And it always executes in global scope, so sometimes it’s just not wise to use. But for what you’re doing now, I’d probably go with execute, because of it’s simplicity.
I have a tool to store pose values in strings and simply use execute too, no slowdowns I can notice…

But readvalue does feel more “real” :wink:

-Johan

5

I’ve been using this to convert point3 strings to point3 values:

fn zmStringToPoint3 v =
(
	local pa = filterString v "[],"
	point3 (pa[1] as float) (pa[2] as float) (pa[3] as float)
)

I’m saving point3’s out “as strings” to xml files instead of breaking them down into components. Seems to work fine for me.

…
rich

edit: yay, first post!

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