Count number of Ancients on the map

[Minoros1]

Hello,

how can i count all ancients on the map with an integer variable?

Minoros

 

[Nichilus]

There are more ways to do this.
The simplest but the worst (efficiency-wise) would be to use this whenever you need to find out how many ancients are ingame:

Trigger

• -------- the custom script below takes care of memory leaks --------
• Custom script: set bj_wantDestroyGroup = true
• Unit Group - Pick every unit in (Units in (Playable map area) matching ((((Matching unit) is An Ancient) Equal to True) and (((Matching unit) is alive) Equal to True))) and do (Actions)
  • Loop - Actions
    • Set count = (count + 1)

The problem with the above is if you have too many units in your map, then the game will pick every unit in your map, check if its ancient and put it inside the unit group, then it will iterate through each unit inside the unit group and increase value in "count" variable by 1.
Unit groups are also heavy process, so creating them in very quick succession one after another may cause lags.

More efficient way is imo by having 1 variable specifically used to keep track of ancients. This will require more (but simple) triggers.

Triggers

• Map Ini
  • Events
    • Map initialization
  • Conditions
  • Actions
    • -------- the custom script below takes care of memory leaks --------
    • Custom script: set bj_wantDestroyGroup = true
    • Unit Group - Pick every unit in (Units in (Playable map area) matching (((Matching unit) is An Ancient) Equal to True)) and do (Actions)
      • Loop - Actions
        • Set NumberOfAncients = (NumberOfAncients + 1)

You need to do this once at map initialization.

• Increase
  • Events
    • Unit - A unit enters (Playable map area)
  • Conditions
    • ((Triggering unit) is An Ancient) Equal to True
  • Actions
    • Set NumberOfAncients = (NumberOfAncients + 1)

• Decrease
  • Events
    • Unit - A unit Dies
  • Conditions
    • ((Triggering unit) is An Ancient) Equal to True
  • Actions
    • Set NumberOfAncients = (NumberOfAncients - 1)

To find out if unit is an ancient, use the Boolean comparison