No flying units in region

[Klasus]

How do I make a trigger that triggers when there are no flying units in a certain region?

I have tried this trigger:

• Viking Transform
  • Events
    • Unit - Any Unit dies
  • Local Variables
    • Viking Group = (Empty unit group) <Unit Group>
    • Total Units = (Empty unit group) <Unit Group>
  • Conditions
  • Actions
    • Variable - Set Viking Group = (Viking (Fighter Mode) units in (Entire map) owned by player Any Player matching Excluded: Missile, Dead, Hidden, with at most Any Amount)
    • Variable - Set Total Units = (Any units in (Entire map) owned by player Any Player matching Excluded: Missile, Dead, Hidden, with at most Any Amount)
    • Unit Group - Remove all units in Viking Group from Total Units
    • General - If (Conditions) then do (Actions) else do (Actions)
      • If
        • Total Units == (Any units in (Entire map) owned by player Any Player matching Required: Ground; Excluded: Missile, Dead, Hidden, with at most Any Amount)
      • Then
        • Unit - Order all units in Viking Group to (Viking - Assault Mode) (Replace Existing Orders)
      • Else
        • UI - Display "dddddddddd" for (All players) to Subtitle area

It's not working. I have tried to use it and it always does the "Else" action.

 

[Dr Super Good]

If the region is circular you can place an air exclusion zone over it (up to a certain size). If it is square you may need many and the results will not be exactly square.

 

[Klasus]

It's a rectangular region, is there no other way to do it? with validators maybe?

When I

• Unit Group - Remove all units in Viking Group from Total Units

Does it put a new value in the 'Total Units' variable or does it even change?

 

[Dr Super Good]

It performs a set subtraction of the unit sets (groups). Units in the Viking Group will be removed (if present) from the Total Units group.

 

[Klasus]

So why doesn't the "If" work?

 

[Klasus]

• Vikings
  • Events
    • Unit - Any Unit dies
  • Local Variables
    • Vikings = (Empty unit group) <Unit Group>
    • Air Units = (Empty unit group) <Unit Group>
  • Conditions
  • Actions
    • Variable - Set Vikings = (Viking (Fighter Mode) units in (Entire map) owned by player Any Player matching Excluded: Missile, Dead, Hidden, with at most Any Amount)
    • Variable - Set Air Units = (Any units in (Entire map) owned by player Any Player matching Required: Air; Excluded: Missile, Dead, Hidden, with at most Any Amount)
    • General - If (Conditions) then do (Actions) else do (Actions)
      • If
        • (Number of Living units in Vikings) == (Number of Living units in Air Units)
      • Then
        • UI - Display "IT WORKS" for (All players) to Subtitle area
      • Else
        • UI - Display ":(((" for (All players) to Subtitle area
        • UI - Display (Text((Number of Living units in Vikings))) for (All players) to Subtitle area
        • UI - Display (Text((Number of Living units in Air Units))) for (All players) to Subtitle area

it works!

 

[Dr Super Good]

Because the group you generate is obviously different from the existing group.

You could optimize that condition by replacing it with false.