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Author Topic: Resource Preloader  (Read 5636 times)

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Resource Preloader
« on: September 03, 2016, 10:32:39 PM »
Category: Execution
Language: vJASS

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Useful snippet for preloading your map resources and avoiding duplicates in preloading.

Code: jass  [Select]
  1. library ResourcePreloader /*v1.4
  2.  
  3.  
  4.     */uses /*
  5.  
  6.     */BJObjectId            /* http://wc3jass.com/5038/bjobjectid/
  7.     */optional Table        /* http://wc3jass.com/4611/snippet-new-table/
  8.     */optional UnitRecycler /* http://wc3jass.com/5426/unitrecycler/
  9.  
  10.     *///! novjass
  11.  
  12.     |================|
  13.     | Written by AGD |
  14.     |================|
  15.  
  16.         [CREDITS]
  17. /*          IcemanBo - for suggesting further improvements
  18.             Silvenon - for the sound preloading method                            */
  19.  
  20.  
  21.         |-----|
  22.         | API |
  23.         |-----|
  24.  
  25.             function PreloadUnit takes integer rawcode returns nothing/*
  26.                 - Assigns a certain type of unit to be preloaded
  27.  
  28.           */function PreloadItem takes integer rawcode returns nothing/*
  29.                 - Assigns a certain type of item to be preloaded
  30.  
  31.           */function PreloadAbility takes integer rawcode returns nothing/*
  32.                 - Assigns a certain type of ability to be preloaded
  33.  
  34.           */function PreloadEffect takes string modelPath returns nothing/*
  35.                 - Assigns a certain type of effect to be preloaded
  36.  
  37.           */function PreloadSound takes string soundPath returns nothing/*
  38.                 - Assigns a certain type of sound to be preloaded
  39.  
  40.  
  41.           */function PreloadUnitEx takes integer start, integer end returns nothing/*
  42.                 - Assigns a range of unit rawcodes to be preloaded
  43.  
  44.           */function PreloadItemEx takes integer start, integer end returns nothing/*
  45.                 - Assigns a range of item rawcodes to be preloaded
  46.  
  47.           */function PreloadAbilityEx takes integer start, integer end returns nothing/*
  48.                 - Assigns a range of ability rawcodes to be preloaded
  49.  
  50.  
  51.     *///! endnovjass
  52.  
  53.     //========================================================================================================//
  54.     /* Do not try to change below this line if you're not so sure on what you're doing. Unless you want to
  55.        change, check, or study the core of the system, it is not advised that you scroll any further.         */
  56.     //========================================================================================================//
  57.  
  58.     private keyword S
  59.  
  60.  
  61.     static if DEBUG_MODE then
  62.         private function Debug takes string msg returns nothing
  63.             call DisplayTimedTextToPlayer(GetLocalPlayer(), 0, 0, 60, "|CFFFFCC00[Resource Preloader]|R  " + msg)
  64.         endfunction
  65.     endif
  66.  
  67.     //============================================== TextMacros ==============================================//
  68.  
  69.     //! textmacro ASSIGN takes NAME, ARG, TYPE, INDEX, I
  70.     function Preload$NAME$ takes $ARG$ what returns nothing
  71.         static if LIBRARY_Table then
  72.             if not S.tb[$I$].boolean[$INDEX$] then
  73.                 set S.tb[$I$].boolean[$INDEX$] = true
  74.                 call Do$NAME$Preload(what)
  75.             debug else
  76.                 debug call Debug("|CFFFF0000Operation Cancelled :|R Entered $TYPE$ data was already preloaded")
  77.             endif
  78.         else
  79.             if not LoadBoolean(S.tb, $I$, $INDEX$) then
  80.                 call SaveBoolean(S.tb, $I$, $INDEX$, true)
  81.                 call Do$NAME$Preload(what)
  82.             debug else
  83.                 debug call Debug("|CFFFF0000Operation Cancelled :|R Entered $TYPE$ data was already preloaded")
  84.             endif
  85.         endif
  86.     endfunction
  87.     //! endtextmacro
  88.  
  89.     //! textmacro ASSIGNWITHRANGE takes NAME
  90.     function Preload$NAME$Ex takes integer start, integer end returns nothing
  91.         local BJObjectId this = BJObjectId(start)
  92.         local BJObjectId last = BJObjectId(end)
  93.         loop
  94.             call Preload$NAME$(this)
  95.             exitwhen this == last
  96.             if this > last then
  97.                 set this = this.minus_1()
  98.             else
  99.                 set this = this.plus_1()
  100.             endif
  101.         endloop
  102.     endfunction
  103.     //! endtextmacro
  104.  
  105.     //========================================================================================================//
  106.  
  107.  
  108.     private function DoUnitPreload takes integer id returns nothing
  109.         static if LIBRARY_UnitRecycler then
  110.             call RecycleUnitEx(CreateUnit(Player(15), id, 0, 0, 0))
  111.         else
  112.             call RemoveUnit(CreateUnit(Player(15), id, 0, 0, 0))
  113.         endif
  114.     endfunction
  115.  
  116.     private function DoItemPreload takes integer id returns nothing
  117.         call RemoveItem(UnitAddItemById(S.dummy, id))
  118.     endfunction
  119.  
  120.     private function DoAbilityPreload takes integer id returns nothing
  121.         if UnitAddAbility(S.dummy, id) and UnitRemoveAbility(S.dummy, id) then
  122.         endif
  123.     endfunction
  124.  
  125.     private function DoEffectPreload takes string path returns nothing
  126.         call DestroyEffect(AddSpecialEffectTarget(path, S.dummy, "origin"))
  127.     endfunction
  128.  
  129.     private function DoSoundPreload takes string path returns nothing
  130.         local sound s = CreateSound(path, false, false, false, 10, 10, "")
  131.         call SetSoundVolume(s, 0)
  132.         call StartSound(s)
  133.         call KillSoundWhenDone(s)
  134.         set s = null
  135.     endfunction
  136.  
  137.     //! runtextmacro ASSIGN("Unit", "integer", "unit", "what", "0")
  138.     //! runtextmacro ASSIGN("Item", "integer", "item", "what", "1")
  139.     //! runtextmacro ASSIGN("Ability", "integer", "ability", "what", "2")
  140.     //! runtextmacro ASSIGN("Effect", "string", "effect", "StringHash(what)", "3")
  141.     //! runtextmacro ASSIGN("Sound", "string", "sound", "StringHash(what)", "4")
  142.  
  143.     //! runtextmacro ASSIGNWITHRANGE("Unit")
  144.     //! runtextmacro ASSIGNWITHRANGE("Item")
  145.     //! runtextmacro ASSIGNWITHRANGE("Ability")
  146.  
  147.     //========================================================================================================//
  148.  
  149.     private module Init
  150.         private static method onInit takes nothing returns nothing
  151.             local rect bounds = GetWorldBounds()
  152.             static if LIBRARY_Table then
  153.                 set tb = TableArray[5]
  154.             endif
  155.             set dummy = CreateUnit(Player(15), 'hpea', 0, 0, 0)
  156.             call UnitAddAbility(dummy, 'AInv')
  157.             call UnitAddAbility(dummy, 'Avul')
  158.             call UnitRemoveAbility(dummy, 'Amov')
  159.             call SetUnitY(dummy, GetRectMaxY(bounds) + 1000)
  160.             call RemoveRect(bounds)
  161.             set bounds = null
  162.         endmethod
  163.     endmodule
  164.  
  165.     private struct S extends array
  166.         static if LIBRARY_Table then
  167.             static TableArray tb
  168.         else
  169.             static hashtable tb = InitHashtable()
  170.         endif
  171.         static unit dummy
  172.         implement Init
  173.     endstruct
  174.  
  175.  
  176. endlibrary
« Last Edit: December 19, 2017, 11:18:36 PM by moyack »
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Re: Resource Preloader
« Reply #1 on: October 28, 2016, 01:03:52 AM »
UPDATED


- Made Table optional
- Added UnitRecycler as an optional requirement
- Upon calling PreloadUnit(), if the unit is not a hero and UnitRecycler is found, the unit will be added to the unit stock instead. Otherwise, it goes with normal preloading.
- dummy unit's movement is disabled to prevent possible game crash.
- You can now preload at any time during the game instead of only during the map initialization
- Significantly optimized the code
- Removed the unnecessary custom function for checking preload duplicates
- Added Table to the library requirements
- Preloading does not anymore happen in a single phase at the GUI Map Initialization
- Resources are now preloaded at the instant you call the preload function
- Other changes
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