[vJASS] Need Some Help, Please

[Starquizer]

I don't understand these lines in JassHelperManual:

Will now work without any error, there is one limitation though, you can't use functions or non-constant values in the default value, for example you can make a global start on null, 1 , 19923 , 0xFFF, true, false, "Hi" , etc. But you can't make them initialize with any function call or with a native

This line is about Globals and how to declare them.

ADD

I don't also understand how Initializers work, and I don't understand the example in JassHelperManual.

 

[Eleandor]

The underlined line means that you can't, for example, initialize a global variable like this:

globals
    unit u = CreateUnit('h000', Player(0), ...)
    location loc = Location(0.0, 0.0)
    // You can, however, say:
    real r = 5.0
    // but then again, you can't say:
    real s = GetLocationX(loc)
endglobals

library initializers are functions that automatically run when you're loading the map. Their purpose is very clear: initializing a library, for example by setting global variables correctly, such as opening a new game cache.

 

[Starquizer]

library initializers are functions that automatically run when you're loading the map. Their purpose is very clear: initializing a library, for example by setting global variables correctly, such as opening a new game cache.

Why would I need them if the library function moves the function atop of the script. When I say Library B needs A; A will be atop B so what is the function of the Initializers ?

 

[TriggerHappy]

I think you have the wrong idea of initializers.

What they do is run the function on map initialization, so you can create events and things of that sort.

 

[Starquizer]

I think you have the wrong idea of initializers.

What they do is run the function on map initialization, so you can create events and things of that sort.

Can you give an example, please ?

 

[TriggerHappy]

scope ScopeName initializer InitTrig

    private function Actions takes nothing returns nothing
        
    endfunction

    //===========================================================================
    private function InitTrig takes nothing returns nothing
        local trigger t = CreateTrigger()
        call TriggerRegisterTimerEvent( t, 1.00, false)
        call TriggerAddAction( t, function Actions )
    endfunction

endscope

 

[Starquizer]

scope ScopeName initializer InitTrig
 
    private function Actions takes nothing returns nothing
 
    endfunction
 
    //===========================================================================
    private function InitTrig takes nothing returns nothing
        local trigger t = CreateTrigger()
        call TriggerRegisterTimerEvent( t, 1.00, false)
        call TriggerAddAction( t, function Actions )
    endfunction
 
endscope

Ok. Suppose I have another function, lets say "TrigA" written before this one in your example, using Initialize will make the function InitTrig to run before "TrigA" ?

 

[TriggerHappy]

A function won't be ran until you call it, or setup an event with it.

All an initializer does is run the function MapInit (loading screen).

 

[Starquizer]

A function won't be ran until you call it, or setup an event with it.

All an initializer does is run the function MapInit (loading screen).

Sorry, but I don't understand

 

[TriggerHappy]

Whats there not to understand..

The init is run at map initialization... jeez.

 

[Yixx]

library lib1 initializer Init
function Create takes nothing returns nothing
    // do something
endfunction
function Init takes nothing returns nothing
    local trigger t = CreateTrigger()
    // add events, actions, conditions etc,,
endfunction
endlibrary

This says 'initializer Init' , which means when loading (on loading screen) it will look for the function 'Init' in the library and run in,, that is why you create triggers and add events in that trigger
'

library lib1 initializer LolZorsFunction
function Create takes nothing returns nothing
    // do something
endfunction
function LolZorsFunction takes nothing returns nothing
    local trigger t = CreateTrigger()
    // add events, actions, conditions etc,,
endfunction
endlibrary

this says 'initializer LolZorsFunction' ,, so on loading (loading screen) it will look for the function 'LolZorsFunction' and run it, this is where you create triggers and add events,,

Understand? If not,, you should read the above again and again,, i explained it clearly,,
the name behind 'initializer' gives the function name of the function that should run on map initialization,, so when loading screen is on the screen,, you can call it anything,, but most people find it usefull to just call it 'Init' to show it is the Initialization trigger for the library,,

 

[Starquizer]

Must it be used in a library ?

 

[TriggerHappy]

Must it be used in a library ?

In a library or a scope.

 

[Starquizer]

What does library_once do ? And what exactly is Textmacro ?

 

[TriggerHappy]

What does library_once do ? And what exactly is Textmacro ?

The JassHelper manual will tell you the answer two both of those.

 

[Starquizer]

Through reading the vJASS manual I found that vJASS is a tool that doesn't add new functions instead it organizes these functions in the script. Is that right ?

 

[busterkomo]

Yes, vJASS doesn't actually add anything to the JASS language. All vJASS is compiled (althought I'm not sure JASS is ever actually compiled) into standard JASS after the map is saved. If you have a simple syntax error in something like a struct, you can read the post-converted script in the pjass window that opens.

 

[aznricepuff]

Of course JASS is compiled. There's no way computers could run a language like JASS from text efficiently. Way too much effort just to avoid compiling a pretty standard scripting language.

 

[Starquizer]

So that means that you still need to handle and learn JASS to understand how vJASS works. At first I thought that vJASS is a different scripting language from normal JASS, but I see I was wrong.

 

[TriggerHappy]

So that means that you still need to handle and learn JASS to understand how vJASS works. At first I thought that vJASS is a different scripting language from normal JASS, but I see I was wrong.

vJASS is just an extension of JASS.