addMPEventHandler: Difference between revisions

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{{Command|Comments=
{{RV|type=command
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| arma2oa |Game name=
|game1= arma2oa
|version1= 1.55


|1.55|Game version=
|game2= tkoh
|version2= 1.00


|arg= global |Multiplayer Arguments=
|game3= arma3
|version3= 0.50


|eff= global |Multiplayer Effects=
|gr1= Multiplayer
____________________________________________________________________________________________


| Adds MP event handler (EH) to the given object and returns EH handle.<br>
|gr2= Event Handlers
MP event handlers are added globally to every client on network in multiplayer and will fire on every client too upon event.
If EH has some data to return upon event (e.g. the "MPKilled" EH will return an array with 2 elements: the killed unit, and the killer), it is passed in <tt>_this</tt> variable.<br>
<br>
Since Arma 3 v.1.63.137807 the EH handle is also stored in <tt>_thisEventHandler</tt> variable and is available during EH code execution.<br><br>
{{Informative | For more information, see [[Arma_3:_Event_Handlers#Multiplayer_Event_Handlers|Event Handlers/addMPEventHandler]].}} |DESCRIPTION=
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| object [[addMPEventHandler]] [type, expression]  |SYNTAX=
|arg= global


|p1= object: [[Object]] - object to monitor |Parameter1=
|eff= global


|p2= type: [[String]] - event handler name |Parameter2=
|descr= Adds a multiplayer event handler (EH) to the given object and returns EH handle. See {{Link|:Category:Event Handlers|Event Handlers}}.
{{Feature|important|A Multiplayer Event Handler is '''not''' saved in a save file and therefore will not be restored on load - use it accordingly.}}


|p3= expression: [[String]] or [[Code]] - expression to execute |Parameter3=
|mp= Multiplayer EHs are added globally to every client and the server will fire on itself and every client upon event.
The only exception is the '''MPRespawn''' EH that one only fires where the respawned unit is local. Make sure to check the EHs' locality in {{Link|:Category:Event Handlers|Event Handlers}} pages.


| [[Number]] |RETURNVALUE=
|s1= object [[addMPEventHandler]] [type, expression]
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|x1= <code>_index = player [[addMPEventHandler]] ["MPKilled", { [[_this]] [[execVM]] "playerKilled.sqf"; }]; </code> |Example1=
|p1= object: [[Object]] - object to monitor
____________________________________________________________________________________________


| [[:Category:Event Handlers|EventHandlers list]], [[removeMPEventHandler]], [[removeAllMPEventHandlers]] |SEEALSO=
|p2= type: [[String]] - event handler name
}}


<h3 style="display:none">Notes</h3>
|p3= expression: [[String]] or [[Code]] - expression to execute.<br>
<dl class="command_description">
If EH has some data to return upon event (e.g. the "MPKilled" EH will return an array with 2 elements: the killed unit, and the killer), it is passed in {{hl|_this}} variable.
<!-- Note Section BEGIN -->
{{Feature|arma3|Since Arma 3 v.1.64 the EH handle is also stored in {{hl|_thisEventHandler}} variable and is available during EH code execution.}}
* Event Handler parameters are accessible via <sqf inline>_this</sqf>
* The Event Handler type is available as <sqf inline>_thisEvent</sqf>
* The Event Handler index is available as <sqf inline>_thisEventHandler</sqf>


<!-- Note Section END -->
|r1= [[Number]] - event handler index
</dl>


<h3 style="display:none">Bottom Section</h3>
|x1= <sqf>_index = player addMPEventHandler ["MPKilled", { _this execVM "playerKilled.sqf"; }];</sqf>


[[Category:Scripting Commands|{{uc:{{PAGENAME}}}}]]
|seealso= [[:Category:Event Handlers|EventHandlers List]] [[removeMPEventHandler]] [[removeAllMPEventHandlers]] [[getEventHandlerInfo]]
[[Category:Scripting Commands Arma 2|{{uc:{{PAGENAME}}}}]]
}}
[[Category:Scripting Commands Arma 3|{{uc:{{PAGENAME}}}}]]
[[Category:Scripting Commands Take On Helicopters|{{uc:{{PAGENAME}}}}]]
[[Category:Arma 2: Operation Arrowhead: New Scripting Commands List|{{uc:{{PAGENAME}}}}]]
[[Category:Command_Group:_Multiplayer|{{uc:{{PAGENAME}}}}]]
 
<!-- CONTINUE Notes -->
<dl class="command_description">
<dd class="notedate">Posted on May 8, 2015 - 12:24 (UTC)</dd>
<dt class="note">[[User:Killzone Kid|Killzone Kid]]</dt>
<dd class="note">
MP EHs are added on every PC and execute on every PC, apart from '''MPRespawn''', that only executes at the locality where unit respawns.
</dd>
</dl>
<!-- DISCONTINUE Notes -->

Revision as of 14:06, 8 November 2023

A2 OA Logo.png1.55tkoh logo small.png1.00Arma 3 logo black.png0.50
GAGlobalGEGlobal
Hover & click on the images for description

Description

Description:
Adds a multiplayer event handler (EH) to the given object and returns EH handle. See Event Handlers.
⚠
A Multiplayer Event Handler is not saved in a save file and therefore will not be restored on load - use it accordingly.
Multiplayer:
Multiplayer EHs are added globally to every client and the server will fire on itself and every client upon event. The only exception is the MPRespawn EH that one only fires where the respawned unit is local. Make sure to check the EHs' locality in Event Handlers pages.
Groups:
MultiplayerEvent Handlers

Syntax

Syntax:
object addMPEventHandler [type, expression]
Parameters:
object: Object - object to monitor
type: String - event handler name
expression: String or Code - expression to execute.
If EH has some data to return upon event (e.g. the "MPKilled" EH will return an array with 2 elements: the killed unit, and the killer), it is passed in _this variable.
Arma 3
Since Arma 3 v.1.64 the EH handle is also stored in _thisEventHandler variable and is available during EH code execution.
Return Value:
Number - event handler index

Examples

Example 1:
_index = player addMPEventHandler ["MPKilled", { _this execVM "playerKilled.sqf"; }];

Additional Information

See also:
EventHandlers List removeMPEventHandler removeAllMPEventHandlers getEventHandlerInfo

Notes

Report bugs on the Feedback Tracker and/or discuss them on the Arma Discord or on the Forums.
Only post proven facts here! Add Note
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