Here's what I've done so far and I just cant figure it out.
The Vehicle:
[Mobile Bridging Unit]
Armor=medium
Category=Support
Cost=2500
Locomotor={4A582741-9839-11d1-B709-00A024DDAFD1}
Prerequisite=FACTORY
TechLevel=8
Strength=100
Owner=British,French,Germans,Alliance,Arabs,Africa ns,Confederation,Russians
UIName=Name:MBU
Name=Mobile Bridging Unit
Speed=5
ROT=5
MovementZone=Normal
Image=MBU
Size=6
Weight=4
ThreatPosed=0
SpecialThreatValue=1
CrateGoodie=no
Crusher=yes
Accelerates=false
DamageParticleSystems=SparkSys,SmallGreySSys
DamageSmokeOffset=100, 100, 275
Explosion=TWLT070,S_BANG48,S_BRNL58,S_CLSN58,S_TUM U60
IsSelectableCombatant=yes
IsTilter=no
Maxdebris=3
Points=50
VoiceSelect=GenSovVehicleSelect
VoiceMove=GenSovVehicleMove
DeploySound=GenSovVehicleSelect
DeploysInto=NAPOST
Sight=5
The Structure (i.e. the post)
[NAPOST]
UIName=Name
MBU
Name=Deployed MBU
Strength=300
LegalTarget=yes
Nominal=yes
TechLevel=4
RadarInvisible=yes
Repairable=false
LaserFencePost=true
Selectable=yes;gsno
Insignificant=yes
BridgeRepairHut=yes
Adjacent=0
BaseNormal=no
Explosion=TWLT070,S_BANG48,S_BRNL58,S_CLSN58,S_TUM U60
ThreatPosed=0
Image=CABHUT
Prerequisite=POWER
Cost=5
Armor=wood
Category=Support
UndeploysInto=Mobile Bridging Unit
Owner=British,French,Germans,Americans,Alliance,Ru ssians,Confederation,Africans,Arabs
(BTW, im not planning it to be albe to be constructued, it's just for tests)
The Fence Bridge Thing:
[NAFNCE]
UIName=Name:BRI
Name=Bridge
BuildCat=Support
Strength=300
Armor=concrete
TechLevel=1
LaserFence=true
Adjacent=8
Wall=yes
Sight=1
Selectable=no
Insignificant=yes
Nominal=yes
Owner=British,French,Germans,Americans,Alliance,Ru ssians,Confederation,Africans,Arabs
AIBasePlanningSide=0
Cost=100
Points=5
Repairable=false
Explosion=TWLT070,S_BANG48,S_BRNL58,S_CLSN58,S_TUM U60
ThreatPosed=0
IsBase=no
BaseNormal=no
GuardRange=5
Image=NGFNCE
Also mucking about with the overlay:
[NGFNCE]
UIName=Name:BRI
BuildCat=Support
Strength=300
Prerequisite=GAPILE
Armor=concrete
TechLevel=1
Adjacent=8
Wall=yes
Sight=1
Selectable=no
Insignificant=yes
Nominal=yes
Owner=British,French,Germans,Americans,Alliance,Ru ssians,Confederation,Africans,Arabs
AIBasePlanningSide=0
Cost=100
Points=5
Repairable=false
Explosion=TWLT070,S_BANG48,S_BRNL58,S_CLSN58,S_TUM U60
ThreatPosed=0 ; This value MUST be 0 for all building addons
;IsBase=no
BaseNormal=no
GuardRange=5
Image=NGFNCE
The Vehicle Art Ini:
[MBU]
Cameo=MBUICON
AltCameo=MBUICO
Voxel=yes
HELP!!!
What doesnt work:
It doesn't undeploy from being the Fence post anyway.
A wall doesn't come in between.
No sign of the bridge either.