delete the projectile type if not needed
special height for fire and hitposition can be set in a units
rename getCurrVector() to getCurrMidHeightVector()
Particlesystems can now be positioned unit height independend

In the faction.xml you can set teh following now:
<flat-particle-positions value="true"/>
By this the positions of the particle systems ( attack and unit particles ) 
can be done based of the units centered ground position and 
by this height independend.