changing all terrain hexes a unit passes over

[Huston]

is it possible to change the terrain that a unit passes over as the unit passes over the hex.
so for instance if i have a unit that can move 5 hexes i want it to change all 5 hexes it passed into sand. how could i get it to turn only the hexes the unit touched into sand?

i'll try and illustrate what i mean X will be the hex O will be the unit and it's path.

starting point:

OXXXXXXX
XXXXXXXX
XXXXXXXX
XXXXXXXX

first hex passed over:

OXXXXXXX
XOXXXXXX
XXXXXXXX
XXXXXXXX

second hex passed over:

OXXXXXXX
XOOXXXXX
XXXXXXXX
XXXXXXXX

third hex passed over:

OXXXXXXX
XOOXXXXX
XXXOXXXX
XXXXXXXX


fourth hex passed over:

OXXXXXXX
XOOXXXXX
XXXOOXXX
XXXXXXXX


ending point:

OXXXXXXX
XOOXXXXX
XXXOOXXX
XXXXXOXX

so how do i get all those O's to change into sand considering (to the best of my knowledge) a moveto event only triggers for the last hex the unit hits?

[Huston]

so i guess since no one has responded yet that what I've asked is impossible to do.

sorry about the double post.

[JKilligans]

That's a shame, cause it sounds like a really interesting idea.

[beetlenaut]

what I've asked is impossible to do.

Yeah. The game doesn't store the exact hexes of a unit's path, and you can't make something happen while a unit is moving.

[Fosprey]

I´m not the wisest person around about wml, but in the past i was in the need of the same WML filter, and i was told by zookeeper that he already suggested a wml filter that would make what you suggest work. It just seems nobody did the coding yet, but i think it´s it´s on the ¨wanted things¨ for a few years, it should be complicated if nobody implemented it yet because this is something that a lot of modders would benefit off.

[Sapient]

This is not possible yet, but has been on the wiki/FutureWML page for a long time.
I agree that it is a needed feature... I haven't had much spare coding time lately unfortunately.

[Huston]

ok...thanks for the info guys.