how to set global.variable with dynamically created name

zabelin

Hi, let's say we define a global variable:

Code

<action name="def_global_var">
    def(global.variable_to_count,  int, 0);
</action>

which we want to set by picking with dynamically created name:

Code

<action name="set_global_var">
    txtadd(dynamic_var_name, 'variable_to', '_count');
    
    <!-- what's next, how to set var -->


    set(global.get(dynamic_var_name), get(something.matter));          <!-- NOT work -->
    set(global[get(dynamic_var_name], get(something.matter));          <!-- NOT work -->
    set(global[get(dynamic_var_name].value, get(something.matter));    <!-- NOT work -->
</action>

The question is, which syntax should be in order to set the global value?

By the way, which way to define a global.variable outside of the action tag.

Thx,

spacerywirtualne

The intention is not clear from the code but have you tried it?

Code

copy(dynamic_var_name, something.matter);

Piotr

indexofrefraction

set(global.dynamic_var_name, "myvarname");
set(global.source_variable, "hello");

copy(get(global.dynamic_var_name), global.source_variable);

trace(myvarname); // --> hello
trace(get(global.source_variable)); // --> hello

note:
something.matter is not a simple variable name
its an object "something" with a property "matter"
would be possible, but

zabelin

Thank you pacerywirtualne and indexofrefraction.

Zitat

The intention is not clear from the code

The point is to set global variable with accessing to it through the generated name.

Code

<action name="def_global_var">
    def(global.variable_to_count,  int, 0);
</action>


<action name="set_global_var">
    txtadd(dynamic_var_name, 'variable_to', %1);


<!-- let's say %1 = '_count' in this example
so the dynamic_var_name = 'variable_to_count' -->


<!-- great we have the  global variable name as generated variable
how to access the global variable through the generated variable


what's next, how to set global.variable_to_count with dynamic_var_name -->


    set(global.get(dynamic_var_name), get(whatever));          <!-- NOT work -->
    set(global[get(dynamic_var_name], get(whatever));          <!-- NOT work -->
    set(global[get(dynamic_var_name].value, get(whatever));    <!-- NOT work -->
</action>

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something.matter as well as whatever it's just for example )

spacerywirtualne

This?

Code

<action autorun="onstart">
	set(var_int,0);


	for(set(i,0), i LT 3, inc(i), 
        txtadd(dynamic_var_name, 'variable_to', get(i));
        // and now
        calc(dynamic_var_name, 'The variable no '+i);
	); 


	<!-- checker -->
	for(set(i,0), i LT 3, inc(i), 
        trace('Index : ',get(i),' Text: ',calc('variable_to'+i));
	); 
</action>

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Trace:

INFO: Index : 0 Text: variable_to0
INFO: Index : 1 Text: variable_to1
INFO: Index : 2 Text: variable_to2

Piotr

zabelin

Zitat

This?

Don't think so)

spacerywirtualne and indexofrefraction thanks to you a solution founded.
Not the most graceful, but works:

Code

<action name="def_global_var">
    def(global.variable_to_count,  int, 0);
</action>


<action name="set_global_var">
    txtadd(dynamic_var_name, 'global.variable_to', %1);


<!-- let's say %1 = '_count' in this example
so the dynamic_var_name = 'global.variable_to_count' -->


<!-- great we have the global variable name as generated variable -->


    trace(get(dynamic_var_name));        <!-- INFO: 0 -->


    set(current_count, get(dynamic_var_name));
    inc(current_count);
    set(get(dynamic_var_name), get(current_count));


    trace(get(dynamic_var_name));        <!-- INFO: 1 -->
</action>

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Still hope that someone will find the better syntax's solution.

spacerywirtualne

Hi

Zitat von zabelin

Don't think so)

This was a working example of how to create variables dynamically and assign specific values to them. Now it's up to you to take it yourself and rewrite it your way.

indexofrefraction

Code

<!-- i think you need action.scope defined, otherwise global.var might not work -->


<action name="def_global_var" scope="local"> 
    def(global.variable_to_count,  int, 0);
</action>


<action name="set_global_var" scope="local" args="name"> 
    calc(local.dynamic_var_name, 'global.variable_to' + name);
    trace(dynamic_var_name,'=',get(dynamic_var_name));  
    inc(get(dynamic_var_name));
    trace(dynamic_var_name,'=',get(dynamic_var_name));  
</action>

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