Events::addDataHandler: Difference between revisions

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This Function is used to alert client-side with entity's data change for a specified variable
This Function is used to alert client-side with entity's data change for a specified variable


==Syntax==
<br>{{ClientsideCsJsFunction}}
 
{{CSharpContainer|
<pre>
RAGE.Events.AddDataHandler(string name, OnEntityDataChangeDelegate handler);
</pre>
}}
 
{{JSContainer|
<pre>
mp.events.addDataHandler(key, handlerFunction);
</pre>
{{Parameters}}
* '''key''': {{RageType|String}} - Shared data key's name.
* '''handlerFunction''': Handler function with parameters:
** '''entity''': {{RageType|Entity}} - The [[:Category:Entity API|entity]] that had the data change.
** '''value''': {{RageType|Any}} - The new value of the data key.
** '''oldValue''': {{RageType|Any}} - The old value of the data key.
 
{{Example}}
<pre>
<pre>
mp.events.addDataHandler("syncedVariable", function (entity, value) {
/*
  // do something...
    Handles testVar change.
    Do "player.data.testVar = 1234;" on server-side to trigger this.
*/
 
mp.events.addDataHandler("testVar", (entity, value, oldValue) => {
    mp.gui.chat.push(`testVar changed to ${value} on entity ${entity.handle}.`);
});
});
</pre>
</pre>


==Example==
{{Example}}
 
This example sets nickname for player and triggers players' clientside data handler
This example sets nickname for player and triggers players' clientside data handler


{{ClientsideCode|
<pre>
mp.events.addDataHandler('newNick', function (entity, value) {
  if (entity.type === 'player') mp.gui.chat.push(`${player.getVariable('oldNick')} has changed nickname to ${value}`)
})
</pre>
}}
<br>
{{ServersideCode|
{{ServersideCode|
<pre>
<pre>
Line 28: Line 43:
});
});
</pre>
</pre>
}}
{{ClientsideCode|
<pre>
mp.events.addDataHandler('newNick', function (entity, value, oldValue) {
  if (entity.type === 'player') mp.gui.chat.push(`${player.getVariable('oldNick')} has changed nickname to ${value}`)
})
</pre>
}}
}}
}}


==See Also==
==See Also==
* [[EntityDataChangeByKey]]
{{Event_functions}}
{{Event_functions}}
[[Category:Entity API]]
[[Category:Shared Property]]
[[Category:Client-side Function]]

Latest revision as of 08:16, 26 December 2022

This Function is used to alert client-side with entity's data change for a specified variable


Client-Side Function

 C#  JavaScript



C# Syntax

RAGE.Events.AddDataHandler(string name, OnEntityDataChangeDelegate handler);


JavaScript Syntax

mp.events.addDataHandler(key, handlerFunction);

Parameters

  • key: String - Shared data key's name.
  • handlerFunction: Handler function with parameters:
    • entity: Entity - The entity that had the data change.
    • value: Any - The new value of the data key.
    • oldValue: Any - The old value of the data key.

Example

/*
    Handles testVar change.
    Do "player.data.testVar = 1234;" on server-side to trigger this.
*/

mp.events.addDataHandler("testVar", (entity, value, oldValue) => {
    mp.gui.chat.push(`testVar changed to ${value} on entity ${entity.handle}.`);
});

Example

This example sets nickname for player and triggers players' clientside data handler

Server-Side
mp.events.addCommand('setNick', (player, nickname) => {
  player.setVariable('oldNick', player.name);
  player.name = nickname;
  player.setVariable('newNick', nickname);
});


Client-Side
mp.events.addDataHandler('newNick', function (entity, value, oldValue) {
  if (entity.type === 'player') mp.gui.chat.push(`${player.getVariable('oldNick')} has changed nickname to ${value}`)
})


See Also