Correctly Working Naval Yards

It can be done but it is fairly complicated and can only be done by these following ways:

• It can work if captured.
• It can work if deployed from a building.

When you play with GDI and you capture a Nod war factory you have access to build Nod vehicles. However the Nod vehicles will only come out of the Nod warfactory and not the GDI war factory not even if you set it to primary. Also if you set your captured Nod war factory to primary and build a GDI unit it will come the GDI warfactory.

Basically if the war factories owner is GDI it can only build units that are owned by GDI and the same for applies to Nod. If there was a 3rd war factory and its owner was say Neutral and you captured it,the Neutral war factory would only be able to build any units owned by Neutral,so if you set your GDI war factory to primary and built a Neutral unit it would only come out of the Neutral war factory. That means if Neutral could build only boats,then if you captured a Neutral warfactory you would get access to their boats and they would not be able to come out of your GDI or Nod war factory but the Neutral one instead.That means you would not have to switch between primary between warfactories.

But that only works if you capture a building which was originally owned by someone else. But you can build these types of war factory/naval yards. Basically make a mobile naval yard with at least this.

[MOBILEYARD] 
Owner=GDI/Nod ----depends on who you want to be. 
DeploysInto=MOBILEYARDD 

Then you would have to make a new house that you cant play as.Call this new house naval.Now give naval some different types of boat units. Then you need to make the mobile naval yard in its deployed mode.Which MUST be like this.

[MOBILEYARDD] 
Owner=naval ---------------THIS IS REQUIRED 
WaterBound=yes ------so it can only be deployed on water. (This is only needed for a naval
yard) 
UnDeploysInto=NAVALYARD 

When your GDI mobile naval yard deploys it will switch its house to naval but you will still have control over it and also be able to build any units that the naval house can build.They will also only come out of the deployed naval yard as it is naval's war factory and cannot build GDI or Nod units but only naval and GDI/Nod war factories can't build any units owned by naval.

It is also possible to make a 2nd unplayable house. Call this house "test". Make the following unit.

[MOBILETEST] 
Owner=GDI/Nod ----depends on who you want to be. 
DeploysInto=MOBILETESTD 

Then make the following building as a warfactory

[MOBILETESTD] 
Owner=test--------------THIS IS REQUIRED 
UnDeploysInto=MOBILETEST 

Now for test give them some of their own units all must have the owner test and test only,the same applies for naval. You will be able to build their units out of that specific war factory only regardless of primary settings.

This could also be used well in missions or for things like a dog kennel.

Here are the codes used for a version of the naval yard and its units:

[Naval] 
Name=Naval 
Suffix=Nvy 
Prefix=N 
Color=NeonBlue 
Side=Naval 
SmartAI=yes 
MultiplayPassive=true 

; Mobile Naval Yard 
[MBNAV] 
Image=MBNAV 
Name=GDI Mobile Naval Yard 
Prerequisite=GAWEAP 
Strength=210 
Category=Support 
Armor=heavy 
DeploysInto=GASHIPY 
TechLevel=3 
Sight=5 
Speed=4 
CrateGoodie=yes 
Owner=GDI 
AllowedToStartInMultiplayer=no 
Cost=800 
Points=25 
ROT=5 
Crusher=yes 
Explosion=TWLT070,S_BANG48,S_BRNL58,S_CLSN58,S_TUMU60 
VoiceSelect=25-I000,25-I002,25-I004,25-I006 
VoiceMove=25-I012,25-I014,25-I016,25-I018,25-I022 
VoiceAttack=25-I014,25-I022,25-I024,25-I026 
VoiceFeedback= 
MaxDebris=4 
DebrisTypes=TIRE 
DebrisMaximums=6 
SpeedType=Amphibious 
Locomotor={4A582741-9839-11d1-B709-00A024DDAFD1} 
MovementZone=AmphibiousCrusher 
ThreatPosed=10 ; This value MUST be 0 for all building addons 
DamageParticleSystems=SparkSys,SmallGreySSys 
SpecialThreatValue=1 
ZFudgeColumn=10 
ZFudgeTunnel=13 

[SHIP1] 
Name=Attack Ship 
Prerequisite=GASHIPY 
Strength=460 
Category=AFV 
Primary=MammothTusk 
Secondary= 
Armor=heavy 
TechLevel=8 
Sight=7 
Speed=2.0 
CrateGoodie=no 
Owner=Naval 
AllowedToStartInMultiplayer=no 
Cost=1200 
Points=30 
ROT=1 
Crusher=no 
Explosion=TWLT070,S_BANG48,S_BRNL58,S_CLSN58,S_TUMU60 
VoiceSelect=25-I000,25-I002,25-I004,25-I006 
VoiceMove=25-I012,25-I014,25-I016,25-I018,25-I022 
VoiceAttack=25-I014,25-I022,25-I024,25-I026 
VoiceFeedback= 
MaxDebris=4 
DebrisTypes=TURRET 
DebrisMaximums=6 
SpeedType=Amphibious 
Locomotor={4A582741-9839-11d1-B709-00A024DDAFD1} 
MovementRestrictedTo=Water 
ThreatPosed=20 ; This value MUST be 0 for all building addons 
DamageParticleSystems=SparkSys,SmallGreySSys 
SpecialThreatValue=1 

; Heavy Boat 
[HSHIP] 
Name=Heavy Attack Boat 
Prerequisite=GASHIPY 
Strength=560 
Category=AFV 
Primary=150mm 
Secondary= 
Armor=heavy 
TechLevel=8 
Sight=7 
Speed=2.0 
CrateGoodie=no 
Owner=Naval 
AllowedToStartInMultiplayer=no 
Cost=1200 
Points=30 
ROT=2 
Crusher=no 
Explosion=TWLT070,S_BANG48,S_BRNL58,S_CLSN58,S_TUMU60 
VoiceSelect=25-I000,25-I002,25-I004,25-I006 
VoiceMove=25-I012,25-I014,25-I016,25-I018,25-I022 
VoiceAttack=25-I014,25-I022,25-I024,25-I026 
VoiceFeedback= 
MaxDebris=4 
DebrisTypes=TURRET 
DebrisMaximums=6 
SpeedType=Amphibious 
Locomotor={4A582741-9839-11d1-B709-00A024DDAFD1} 
MovementRestrictedTo=Water 
ThreatPosed=20 ; This value MUST be 0 for all building addons 
DamageParticleSystems=SparkSys,SmallGreySSys 
SpecialThreatValue=1 

Naval Yard 

GDI Naval Facility 
; GDI Naval Yard 
[GASHIPY] 
Name=GDI Naval Yard 
WeaponsFactory=yes 
Prerequisite=PROC,GAPILE 
Factory=UnitType 
DeployTime=.0 
Strength=1500 
Armor=heavy 
TechLevel=-1 
Sight=8 
Adjacent=4 
Owner=Naval 
Cost=0 
Points=80 
Power=-40 
Capturable=true 
Crewed=no 
Bib=no 
Explosion=TWLT070,S_BANG48,S_BRNL58,S_CLSN58,S_TUMU60 
MaxDebris=8 
ThreatPosed=0 ; This value MUST be 0 for all building addons 
DamageParticleSystems=SparkSys,SmallGreySSys,BigGreySmokeSys 
DamageSmokeOffset=408, 880, 435 
AIBuildThis=no 
WaterBound=Yes  

Thanks to: TSHyper for testing this and Big Jah for reveiwing the logic. Have fun!