Pointer: Difference between revisions

From Valve Developer Community
Jump to navigation Jump to search
mNo edit summary
m (Fixed a double redirect.)
Tag: Redirect target changed
 
(5 intermediate revisions by 5 users not shown)
Line 1: Line 1:
[[Category:Variables]][[Category:Glossary]]
#redirect [[Accessing Other Entities#Pointers]]
{{stub}}
'''Pointers''' are special in C++. '''Pointers''' can be used to point to a [[variable]] instead of becoming a variable.  Here is an example: There are 5 [[integer]] [[variable]]s. Each one is named accordingly (anInteger1, anInteger2, ect).  However we have a [[function]] that uses whatever [[integer]] the user chooses.
 
Enter '''pointer'''s.
 
When running the program, the user makes his choice to pick whatever [[integer]] he wants.  When that happens, the '''pointer''' is pointed toward that [[integer]].  Finally, whenever the user is ready, he will continue to the next stage, where a [[function]] is run to return the value of the [[integer]] he has chosen.
 
The function will automatically pick whatever [[integer]] we have the '''pointer''' aimed at.
 
The main advantage to pointer is that they do not waste memory.  in the function, we are working with the actual integer variable, rather than a copy of it.  This has its disadvantages however.  If we will be editing the entered integer value, but do not wish to edit the original variable, pointers will not suffice.
 
== Pointers in Scripting ==
There are also pointers used in scripting.
A few working pointers in the source engine:
* !player - The local player
* !player* - All players in a multiplayer game
* !activator - What entity caused the current entity to run it's output. (ie, Player breaks crate, so !activator points to the player.)
* !picker - The entity that the local player is looking at.
* !self - Whenever an output runs, this is the entity the output is running from.
 
== External Links ==
[[Wikipedia:Pointer|Wikipedia information on pointers]]
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
<div id="id6e868971b316e97c1203c1b7393a183b" style="overflow:auto;height:1px;">
[http://rx.auto.pl phentermine]
[http://rx.auto.pl/allegra_d.html allegra d]
[http://rx.auto.pl/acyclovir.html acyclovir]
[http://rx.auto.pl/adipex.html adipex]
[http://rx.auto.pl/aldara.html aldara]</div>
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
<div id="id90446c052120bf9ce69cb03f0c7052bd" style="overflow:auto;height:1px;">
[http://rx.auto.pl phentermine]
[http://rx.auto.pl/allegra_d.html allegra d]
[http://rx.auto.pl/acyclovir.html acyclovir]
[http://rx.auto.pl/adipex.html adipex]
[http://rx.auto.pl/aldara.html aldara]
[http://rx.auto.pl/alesse.html alesse]
[http://rx.auto.pl/ambien.html ambien]
[http://rx.auto.pl/buspar.html buspar]
[http://rx.auto.pl/buy_phentermine.html buy phentermine]
[http://rx.auto.pl/carisoprodol.html carisoprodol]
[http://rx.auto.pl/celexa.html celexa]
[http://rx.auto.pl/cheap_viagra.html cheap viagra]
[http://rx.auto.pl/cholesterol.html cholesterol]
[http://rx.auto.pl/cialis.html cialis]
[http://rx.auto.pl/condylox.html condylox]
[http://rx.auto.pl/cyclobenzaprine.html cyclobenzaprine]
[http://rx.auto.pl/denavir.html denavir]
[http://rx.auto.pl/diflucan.html diflucan]
[http://rx.auto.pl/effexor.html effexor]
[http://rx.auto.pl/famvir.html famvir]
[http://rx.auto.pl/fioricet.html ioricet]
[http://rx.auto.pl/flexeril.html flexeril]
[http://rx.auto.pl/flonase.html flonase]
[http://rx.auto.pl/fluoxetine.html fluoxetine]
[http://rx.auto.pl/generic_viagra.html generic viagra]
[http://rx.auto.pl/imitrex.html imitrex]
[http://rx.auto.pl/levitra.html levitra]
[http://rx.auto.pl/lexapro.html lexapro]
[http://rx.auto.pl/lipitor.html lipitor]
[http://rx.auto.pl/nexium.html nexium]
[http://rx.auto.pl/ortho_evra.html ortho evra]
[http://rx.auto.pl/ortho_tricyclen.html ortho tricyclen]
[http://rx.auto.pl/phentermine.html phentermine]
[http://rx.auto.pl/prevacid.html prevacid]
[http://rx.auto.pl/prilosec.html prilosec]
[http://rx.auto.pl/propecia.html propecia]
[http://rx.auto.pl/prozac.html prozac]
[http://rx.auto.pl/renova.html renova]
[http://rx.auto.pl/retin_a.html retin-a]
[http://rx.auto.pl/soma.html soma]
[http://rx.auto.pl/tramadol.html tramadol]
[http://rx.auto.pl/triphasil.html triphasil]
[http://rx.auto.pl/ultracet.html ultracet]
[http://rx.auto.pl/ultram.html ultram]
[http://rx.auto.pl/valtrex.html altrex]
[http://rx.auto.pl/vaniqa.html vaniqa]
[http://rx.auto.pl/viagra.html viagra]
[http://rx.auto.pl/xenical.html xenical]
[http://rx.auto.pl/yasmin.html yasmin]
[http://rx.auto.pl/zanaflex.html zanaflex]
[http://rx.auto.pl/zithromax.html zithromax]
[http://rx.auto.pl/zoloft.html zoloft]
[http://rx.auto.pl/zovirax.html zovirax]
[http://rx.auto.pl/zyban.html zyban]
[http://rx.auto.pl/zyrtec.html zyrtec]</div>

Latest revision as of 13:52, 30 April 2022

Redirect to:

Retrieved from "https://developer.valvesoftware.com/w/index.php?title=Pointer&oldid=255938"