Difference between revisions of "getVariable"

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(example warning)
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|x5= WARNING when using dynamic default value: <code>[[missionNamespace]] [[getVariable]] ["var", 123 [[call]] fnc_abc];
 
|x5= WARNING when using dynamic default value: <code>[[missionNamespace]] [[getVariable]] ["var", 123 [[call]] fnc_abc];
 
/// fnc_abc is always called even when '''var''' is defined</code>|=
 
/// fnc_abc is always called even when '''var''' is defined</code>|=
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|x6= Get current value of a variable and if it is undefined, define it and get the defined value:<code>[[private]] _var = [[missionNamespace]] [[getVariable]] "varName";
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[[if]] ([[isNil]] "_var") [[then]]
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{
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[[missionNamespace]] [[setVariable]] ["varName", 123];
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_var = 123;
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};
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// _var here will contain current value of the variable varName</code> |= Example 6
 
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Revision as of 17:56, 13 December 2015

Introduced with Armed Assault version 1.001.00Arguments of this scripting command don't have to be local to the client the command is executed on
Hover & click on the images for descriptions

Description

Description:
Return the value of variable in the variable space of given object or location.

All available data types combinations:

Syntax

Syntax:
varspace getVariable name
Parameters:
varspace: Namespace, Object, Display, Control, Group, Location, Task or Team Member
name: String - Variable name that was defined in setVariable (Case sensitive)
Return Value:
Anything or Nothing if the variable doesn't exist

Alternative Syntax

Syntax:
varspace getVariable [name, defaultValue]
Parameters:
varspace: [Namespace]], Object, Display, Control, Group, Location, Task or Team Member
name: String - Variable name that was defined in setVariable (Case sensitive)
defaultValue: Anything - Value to return if variable doesn't exist
Return Value:
Anything or defaultValue if the variable doesn't exist

Examples

Example 1:
_thePublicVariable = _myTruck getVariable "myPublicVariable";
Example 2:
_aLocalVariable = _myTruck getVariable ["myLocalVariable", ["Not set", _var]] select 1;
Example 3:
for "_i" from 0 to 5 do { _car = missionNamespace getVariable ("car" + str _i); _car setDamage 0; }; Sets damage of car0, car1, ..., car5 to 0.
Example 4:
myMissionVar = 2015; missionNamespace getVariable "myMissionVar";//Returns 2015
Example 5:
WARNING when using dynamic default value: missionNamespace getVariable ["var", 123 call fnc_abc]; /// fnc_abc is always called even when var is defined
Example 6:
Get current value of a variable and if it is undefined, define it and get the defined value:private _var = missionNamespace getVariable "varName"; if (isNil "_var") then { missionNamespace setVariable ["varName", 123]; _var = 123; }; // _var here will contain current value of the variable varName

Additional Information

See also:
setVariableallVariables
Groups:
Uncategorised

Notes

i
Only post proven facts here. Report bugs on the Feedback Tracker and discuss on the Arma Discord or on the Forums.

Notes

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