Destructible resurrection length

[tillinghast]

Using "resurrect destructible while showing birth animation" trigger action
Lordaeron summer tree birth animation length - 3 seconds - plays fully
Volcano birth animation length - 5 seconds - plays fully
Barrens tree birth animation length - 60 seconds - plays at normal speed then at ~5 seconds tree snaps to full size

When using "resurrect destructible while showing birth animation" trigger action, it appears that the maximum allowed birth animation length is 5 seconds. What determines that?
I couldn't find anything in object editor or gameplay constants. Changing "build time" of a destructible (it's 0 for all of them) in object editor does nothing about this.

 

[A]mun]

Yup, looks like another hardcoded destructible mechanic.

The following does work for doodads exlusively:
Animation - Play the birth animation for all doodads of type Barrens Tree (Indestructible) within (Playable map area).

 

[tillinghast]

Do tree stumps expire and get removed? Is there any sort of melee game mechanic that resurrects tree stumps back into living trees? Doesn't matter

Meanwhile here's a funny thing that is surely already documented somewhere:

There's a "Art - Model File - Has Lightweight Model" object editor field for destructibles. If it's set to True, game searches for "ModelNameD.mdx" (dead) and "ModelNameS.mdx" (standing) in the same folder as your "ModelName.mdx" destructible. I replaced lordaeron summer tree D and S models with dummies and you can see in real time how game switches between them when they're ordered to be attacked directly and hit by a missile and then after death. Could make for a funny way to mess with player's perception.