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Creating callbacks in Sourcepawn

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Join Date: Mar 2016
Old 07-01-2018 , 09:15   Creating callbacks in Sourcepawn
Reply With Quote #1

I'm trying to add a callback to a function I've designed which does some asynchronous actions. Using the example from Timers, I create a typedef:

HTML Code:
typeset ActionCallback {
  function void(float actions[2]);
And then I have a function attached to a methodmap which tries to call this "ActionCallback":

HTML Code:
  public void Save(ActionCallback callback) {
    int test[2];

    test[0] = 2;
    test[1] = 1;

Unfortunately, at the moment I'm getting a variety of errors that I have no idea how to solve. Namely:

C:\Users\\Documents\GitHub\ttt_sourcemod\rewr ite\includes\player_actions.inc(47) : error 012: invalid function call, not a valid address
C:\Users\\Documents\GitHub\ttt_sourcemod\rewr ite\includes\player_actions.inc(47) : warning 215: expression has no effect
C:\Users\\Documents\GitHub\ttt_sourcemod\rewr ite\includes\player_actions.inc(47) : error 001: expected token: ";", but found ")"
C:\Users\\Documents\GitHub\ttt_sourcemod\rewr ite\includes\player_actions.inc(47) : error 029: invalid expression, assumed zero
C:\Users\\Documents\GitHub\ttt_sourcemod\rewr ite\includes\player_actions.inc(47) : fatal error 190: too many error messages on one line

Does anyone know why my callback is not being identified as a function?
popey456963 is offline
DJ Tsunami
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Join Date: Feb 2008
Old 07-01-2018 , 10:55   Re: Creating callbacks in Sourcepawn
Reply With Quote #2

I believe you have to invoke the callback like so:

PHP Code:
public void Save(ActionCallback callback) {
float test[2];

test[0] = 2.0;
test[1] = 1.0;


INVALID_HANDLE indicates the callback is in the current plugin.
DJ Tsunami is offline
Join Date: Mar 2016
Old 07-11-2018 , 17:49   Re: Creating callbacks in Sourcepawn
Reply With Quote #3

Woah, thank you so much for the information. This worked
popey456963 is offline

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