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[Trigger] Jass / Gui Bug

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Level 17
Joined
Jun 28, 2008
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776
I heard of the bug where you declare a local variable in gui with the same name as the global variable and then you can use the local in the gui trigger instead of the global.

Now what I want to know is how to declare it

is it

  • Custom script: local location udg_Pos_Local_1 = null
or

  • Custom script: local location Pos_Local_1 = null
if the Global variable is Pos_Local_1

Here is my spell that I am making and it uses the above mentioned

  • Cast Sand Storm
    • Events
      • Unit - A unit Starts the effect of an ability
    • Conditions
      • (Ability being cast) Equal to Sand Storm
    • Actions
      • Custom script: local location udg_Pos_Local_1 = null
      • Custom script: local location udg_Pos_Local_2 = null
      • Custom script: local unit u = GetTriggerUnit()
      • Custom script: local integer x = 0
      • -------- ---------------- --------
      • Set Pos_Local_1 = (Position of (Triggering unit))
      • -------- ---------------- --------
      • Custom script: loop
      • -------- ---------------- --------
      • Custom script: exitwhen GetUnitCurrentOrder(u) != String2OrderIdBJ("chemicalrage")
      • Custom script: exitwhen x == 50
      • Set Pos_Local_2 = (Pos_Local_1 offset by (Random real number between 0.00 and 400.00) towards (Random angle) degrees)
      • Special Effect - Create a special effect at Pos_Local_2 using Abilities\Weapons\AncientProtectorMissile\AncientProtectorMissile.mdl
      • Special Effect - Destroy (Last created special effect)
      • Wait 0.01 seconds
      • Custom script: set x = x + 1
      • Custom script: call RemoveLocation(udg_Pos_Local_2)
      • -------- ---------------- --------
      • Custom script: endloop
      • -------- ---------------- --------
      • Custom script: call RemoveLocation(udg_Pos_Local_1)
I know it would be better if I do it in Jass, but it has to be GUI.

The problem with the spell is that Pos_Local_1 is always the center of the map.

Thanks for your help.
 
Level 14
Joined
Nov 18, 2007
Messages
816
seriously, you have reached the point where you understand enough about JASS to be using it directly. Get JNGP and get cracking.

However, its udg_Pos_Local_1, but afaik, you can use it only once per trigger (it, referring to the local exploit).
 
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Level 21
Joined
Aug 21, 2005
Messages
3,699
However, its udg_Pos_Local_1, but afaik, you can use it only once per trigger (it, referring to the local exploit).

Correct, although you can still have multiple "normal" locals in a trigger. So basically you can declare 4 "normal" local variables, and then after each wait action you set global variables equal to the normal local variables. For example:

  • Custom script: local unit u
  • Set Unit = (Target unit of issued order)
  • Custom script: set u = udg_Unit
  • // Do stuff with Unit
  • Wait 2.0 seconds
  • Custom script: set udg_Unit = u
  • // Do stuff with Unit
  • Wait 2.0 seconds
  • Custom script: set udg_Unit = u
  • Custom script: set u = null
Either way, with the amount of custom scripts you're already using in this trigger, people will go eeeq anyway, so I think it's better if you just jass the whole thing.
 
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