Checking if a unit is carrying something?

02-04-2006, 09:25 AM	#1
Rao Dao Zao	Warcraft has various conditions to check if a unit is being carried, but there aren't any, that I can see, to check if a particular transport has a unit within or not. So, have I just missed something, or can somebody suggest a method of finding out if a unit is carrying another unit? Perhaps some JASS? Any help at all would be appreciated.

02-04-2006, 09:34 AM	#2
Jazradel	As far as I know there is no way to check if a unit is inside a transport. But there may be workarounds, by detecting when a unit gets into a transport.

02-04-2006, 09:45 AM	#3
PCPharaoh	Trigger: Melee Initialization Events Conditions ((Triggering unit) is loaded into variable_transportunit) Equal to True Actions Boolean Comparison: "Unit - Unit Is In Transport"

02-04-2006, 02:32 PM	#4
Rao Dao Zao	I'm not that stupid. I want this to check if a certain transport contains a unit. If I wanted to check if a specific unit was in a transport that condition might have worked.

02-04-2006, 04:25 PM

johnfn

You're gonna need two vars for this : numTransports (Integer) and unitsCarried (Unitgroup Array)

Trigger:

LoadUnit

Events

Unit - A unit Is loaded into a transport

Conditions

Actions

If (All Conditions are True) then do (Then Actions) else do (Else Actions)

If - Conditions

(Custom value of (Transporting unit)) Equal to 0

Then - Actions

Set numTransports = (numTransports + 1)

Unit - Set the custom value of (Transporting unit) to 0

Else - Actions

Unit Group - Add (Loading unit) to (unitsCarried[custom value of (Transporting unit)] )

Now we have a unitgroup corresponding to the custom value of the unit, and thats all we could ever ask for, right?

Trigger:

CheckIfUnitExists

Events

Conditions

((CheckThisUnitForExistance) is in (unitsCarried[custom value of (ship)]) Equal to True

Actions

PS! I'm not sure exactly what the action is that recognizes when a unit is unloaded. Check out different orders to see if there's a particular order that occurs when it happens, and if all else fails, you can always do something (hackish) like this

Trigger:

Actions

For each (Integer A) from 1 to numTransports, do (Actions)

Loop - Actions

Unit Group - Pick every unit in (unitsCarried[numTransports) and do (Actions)

Loop - Actions

If (All Conditions are True) then do (Then Actions) else do (Else Actions)

If - Conditions

((Playable map area) contains (Picked unit)) Equal to True

Then - Actions

Unit Group - Remove (Picked unit) from (unitsCarried)

Else - Actions

Custom script: call DestroyGroup( udg_TempGroup )

That may be a little laggy however. Anyways, hope I helped

02-04-2006, 05:59 PM	#6
Rao Dao Zao	You see, the whole unload thing is the main problem with any kind of tracking system such as this; I know how to respond to the Unload ability, but not how to respond to somebody clicking the portrait in the unit info area. It's damnded annoying.

02-04-2006, 06:08 PM	#7
PCPharaoh	So you want to check if a specific transport has ANY unit loaded, not a specific one? This condition still works. Trigger: Melee Initialization Events Conditions ((No Unit) is loaded into variable_transportunit) Equal to False Actions Edit: Woohoo! 100 posts. Go me!

02-04-2006, 06:17 PM	#8
Rao Dao Zao	As correct as that may seem, I've just tested it and the trigger ain't firing... But interesting point.

02-04-2006, 07:46 PM	#9
johnfn	As a continuation of my other trigger, I did some experimentation with WE just because it was bothering me: Trigger: Untitled Trigger 001 Events Unit - A unit Is issued an order targeting an object Conditions (Issued order) Equal to (Order(unload)) Actions Unit Group - Remove (Target unit of issued order) from (unitsCarried[custom value of(Ordered unit)]) It works. Do I win the prize? :D

02-04-2006, 09:21 PM

#10

Vexorian

Quote:

Originally Posted by PCPharaoh

So you want to check if a specific transport has ANY unit loaded, not a specific one? This condition still works.

Trigger:

Melee Initialization

Events

Conditions

((No Unit) is loaded into variable_transportunit) Equal to False

Actions

Edit: Woohoo! 100 posts. Go me!

I can't see the logic behind that. No Unit is another way of saying null . So if null is loaded into transport? That would always return false.

---
just follow johnfn's way it is the only one known this far

02-05-2006, 09:25 AM	#11
Rao Dao Zao	Well, I posted a similar thread on the battle.net forums and they came up with a more convenient way... Do a check for the number of units in the unit group - units owned by player matching (matching unit) is in (transport). ON another note, does the Unload order fire when you click the portrait too? If it does, you're getting rep anyway.

Checking if a unit *is carrying* something?

Checking if a unit is carrying something?