Returning an array from a function
by Bryce "Cogburn" Weiner · in Torque Game Engine · 07/16/2004 (1:33 pm) · 8 replies
I was going to share this anyway.... So you can keep it if you tell me what's wrong. ;)
Works ok if I do some echo()'s in the code to print results at various stages. The problem is that when I do something like....
... %test is always empty.
Have I been staring at this too long to see the problem or can functions not return arrays?
// Split a string (%parse) by another string (%delim) and return it as an array.
function splitString(%parse, %delim)
{
if (%delim !$= ""){
%posDelim = strpos(%parse, %delim);
if (%posDelim == 0)
return -1;
%len = strlen(%parse);
%temp[0] = getSubStr (%parse, 0, %posDelim - 1);
%parse = getSubStr (%parse, %posDelim + 1, %len - %posDelim);
%posDelim = strpos (%parse, %delim);
%x = 1;
while (%posDelim > 0) {
%len = strlen(%parse);
%temp[%x] = getSubStr (%parse, 0, %posDelim);
%parse = getSubStr (%parse, %posDelim + 1, %len - %posDelim);
%posDelim = strpos (%parse, %delim);
%x++;
}
%temp[%x] = %parse;
return %temp;
} else {
return -1;
}
}Works ok if I do some echo()'s in the code to print results at various stages. The problem is that when I do something like....
%test = splitString("0:1:2:3:4:5",":");... %test is always empty.
Have I been staring at this too long to see the problem or can functions not return arrays?
#3
of course this will bork if there are spaces in the elements.
07/16/2004 (3:52 pm)
I don't know if this is of any help to you, but you can use strings in an "array like way" using SetWord and GetWord if you use space as a delimiter:// Init the "array" %mystring = "1 2 3 4 5"; echo(%mystring); // Get the first element %firstElement = GetWord(%mystring,0); echo(%firstElement); // %firstElement is 1 // Set the last element in the array to -1 %mystring = SetWord(%mystring,4,-1); echo(%mystring); // %mystring is now 1 2 3 4 -1
of course this will bork if there are spaces in the elements.
#4
07/16/2004 (5:31 pm)
There are spaces to be accounted for, but that's still good to know. Thanks Russell.
#5
07/16/2004 (5:40 pm)
Yeah Array's are global if I'm not mistaken. 
#6
But there is a really nice resource for a script array object that you may very well find usefull...
www.garagegames.com/index.php?sec=mg&mod=resource&page=view&qid=4711
07/17/2004 (11:47 am)
You can also use tabbed fields for passing lists among text funcitons. (look in consoleFunctions.cc for getField() and it's brothers). In fact for one setup I did I used sets of space delimited lists grouped into tabbed lists.But there is a really nice resource for a script array object that you may very well find usefull...
www.garagegames.com/index.php?sec=mg&mod=resource&page=view&qid=4711
#7
07/17/2004 (2:32 pm)
@Martin: Thanks. That's a great resource. Hope it makes its way into HEAD. Beats the heck out of using GetWord/SetWord.
#8
07/17/2004 (6:04 pm)
NP. It's a great resource and probably should be in the HEAD. The only thing it lacks is network propigation, so you could swap arrays with clients. Of course I doubt that would be all that hard to implement. 
Associate Kyle Carter