System Timer and Group Recycling

[substance]

This system recycles timers and groups, getting rid of the need to set them to null, and improving performance and memory usage. This also includes an 'always true' boolexp to avoiding using 'null' in GroupEnum's which can leak. This system requires vJass to work

library Recycle initializer Init

globals
 boolexpr ALL
 private group array GROUPS
 private integer GROUP_N = 0
 private timer array TIMERS
 private integer TIMERS_N = 0
endglobals

private function True takes nothing returns boolean
 return true
endfunction
private function Init takes nothing returns nothing
 set ALL = Condition(function True)
endfunction

function NewGroup takes nothing returns group
 if (GROUP_N==0) then
    return CreateGroup()
 endif
 set GROUP_N = GROUP_N - 1
 return GROUPS[GROUP_N]
endfunction
function ReleaseGroup takes group g returns nothing
 call GroupClear(g)
 set GROUPS[GROUP_N] = g
 set GROUP_N = GROUP_N + 1
endfunction

function NewTimer takes nothing returns timer
 if (TIMERS_N==0) then
    return CreateTimer()
 endif
 set TIMERS_N = TIMERS_N - 1
 return TIMERS[TIMERS_N]
endfunction
function ReleaseTimer takes timer t returns nothing
 call PauseTimer(t)
 set TIMERS[TIMERS_N] = t
 set TIMERS_N = TIMERS_N + 1
endfunction

endlibrary

Example of use

Timer:

function TimerExample tankes nothing returns nothing
local timer t = NewTimer()
call TimerStart(t,1.00,false,function blah)
call ReleaseTimer(t)
endfunction

Group(and the 'ALL' boolexp):

function GroupExample tankes nothing returns nothing
local group g = NewGroup()
local real x = GetUnitX(GetTriggerUnit())
local real y = GetUnitY(GetTriggerUnit())
GroupEnumUnitsInRange(g,x,y,500,ALL)
call ReleaseGroup(g)
endfunction

This was not made by me.

 

[Ghan]

> This was not made by me.

None of it?

 

[Tinki3]

Cool system, I'd probably use it in my map if need be.

 

[substance]

> This was not made by me.
None of it?

Well timer recycling has been around for a while and it comes with vex's CasterSystem. The group recycle is based off the same principle and I got it from Grim001. I just threw all together and made a post.

Main reason for posting is because:
a. Noone else has posted this, yet all the versed JASSers use it.
b. I'm going to be posting a bunch of snippets this week and I needed to be able to reference this system (since my snippets use it).

 

[Tinki3]

>I'm going to be posting a bunch of snippets this week

If so, could you please keep them all together in one thread, just so this forum isn't flooded?