[JASS] function parameters

[Mechanical Man]

I have two questions about function parameters in jass.

What is max of arguments a jass function can take?

Can have a function an argument in form of array of some type?

 

[watermelon_1234]

I think functions can have an infinite amount of parameters or at least some really large amount. Is there some kind of special concern?

Is your second question asking if a function can take an array as an argument? It can't be done in vanilla Jass. It can be done in vJass though only with dynamic arrays.

 

[D4RK_G4ND4LF]

Can have a function an argument in form of array of some type?

you could make a global array/hashtable and pass the index at which the data starts to the end index likepseudocode)
array[0] = 0
array[1] = 1
....
function blah takes integer start, integer end returns nothing
integer i = start
loop
array = array * 2//example
set i = i + 1
exitwhen i > end
endloop
endfunction

or make some kind of linked list with locations and pass the start location and the end location

 

[Mechanical Man]

Yeah I know it can be done by globals, but I want to avoid them.

So I guess ten parameters are not too much

 

[Axarion]

Just curious why do you need 10 parameters

 

[dardas]

can i ask what are the paramaters?^^
never wrote that down in jass/vjass for sure..

 

[watermelon_1234]

can i ask what are the paramaters?^^

function SomeFunction takes someType aParamater returns nothing

They're could also be known as arguments.

 

[Mechanical Man]

I need like 10 paramters because not being able to pass the array. However that array is fixed length and not big, basically contains unit types for one race.

And no, I won't use vjass, since some friend will perhaps need poking around in the scripts and I want it perfectly compatible with non newgen editor without any addition. Furthermore, I heard there are problems with campaigns and the map using this will be also in a campaign file.

 

[Adiktuz]

I dont see a problem with 10 parameters... it would work fine (my systems takes more than 10 parameters... ^^)

 

[dardas]

well.. i made this for my projectile system , to make it more comfortable:

function RegisterDataInteger takes integer MissleData, integer Adddata returns nothing
       set MissleIntegerData[MissleData] = Adddata
endfunction

so they do this basicly:

local integer i CreateNewMissle(owner, x, y, angle)
call RegisterDataInteger(i, 10)
then the missle i gets the data he putted it.
i used this to set damage, speed, max distance, duration, arc, etc..

 

[D4RK_G4ND4LF]

I need like 10 paramters because not being able to pass the array. However that array is fixed length and not big, basically contains unit types for one race.

so why are you unable to pass the data from the array?
always tell the whole story
there usually is another way to do things

btw using globals will be faster because wc3 won't create a bunch of local variables every time you call the function

 

[dardas]

wait.. so basicly, you can take a frigging global?
this could save so many lifes.. o.o

 

[Adiktuz]

wait.. so basicly, you can take a frigging global?
this could save so many lifes.. o.o

of course... anything that returns a value can be used as a parameter (variables, direct values or even functions/methods)... ^^