Need two locaitons.
The location your going to center on the unit. [unitXcenter], and a location that is checked only for air that transport will always be at. [Transport]
| Trigger |
| Conditions: |
| ¤ Always |
| Actions: |
¤ Center location [Tranport] on transport for player X at [anywhere]
|
| ¤ Preserve Trigger |
| Trigger |
| Conditions: |
¤ Current player commands at least one unitX
|
| ¤ Current player brings exactly 0 unit X to [Transport] |
| Actions: |
¤ Center location [unitXcenter] on unitX for playerX at [anywhere]
|
| ¤ Preserve Trigger |
Once again location [Transport] is checked only for air.