Building Upgrade Center

[Fulltimer]

I have a building: Workshop. I have selected several upgrades available by it in the Object Manager (Unit>Techtree-Researches Available), also I have decided for whom the upgrades will apply (Units>Techtree-Units Trained), as well as the building's abilities (Units>Abilities-Normal>Invulnerable). The building belongs to a computer-driven ally of 5 other players/user-driven. I have removed the Techtree prerequisite(s) for each upgrade, so all each requires is Gold. What do I need to do to make the Upgrades appear for each allied player when one of their heros walks up next to the Workshop?

 

[AceHart]

You could try to add the ability "select unit".

However, I've never heard of a "neutral" (well, non-player owned) building to do research for a player.
No idea if this can actually work...

 

[Tagli]

Maybe you can change the owner of the building by using a trigger which has an event: "a player selects a unit", condition: "if selected unit equals to upgrade center is true", and an action to change the owner of the building.
I am not sure (I have started to learn the editor a few days ago ), but it may work.

 

[Fulltimer]

Okay, then. Do you know how to make it a workable Upgrade Center IF it belonged to me? Please, be specific (E/C/A for trigger(s) and Object title/subtitle/subsubtitle for editing Object).

 

[AceHart]

> Maybe you can change the owner of the building

Hm, yes, but what would happen if a second player passed by,
while you're doing some research?

 

[Fulltimer]

> Maybe you can change the owner of the building

Hm, yes, but what would happen if a second player passed by,
while you're doing some research?

#1 Region trigger already changes owner of building temporarily (until he leaves...goes through an exiting region to change it back to original).
#2 Research takes 0-1 seconds per Object Editor input into upgrade itself (I've already taken care of that also).

Now that I've addressed your question(s), do you think you could answer my previous question (how do make an upgrade work)? It has nothing to do with "select hero" or "select unit" or who owns the building or whether someone else is in the neighborhood (don't worry yourself about all the exceptions...I can do that just fine).
Thx