View source for How to add Tech Up mechanic in Red Alert 3 Rising Sun Style

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This guide requires:
# rules(md).ini, art(md).ini
# Engine extensions: Ares (Must have), Phobos (Optional)

Credit to cxtian39 for discovering this.

===How Red Alert 3 Rising Sun player tech up style can be executed in Red Alert 2===

In Ra3, Rising Sun players unlock their techs at their production facilities. For instant, you purchase Upgrade (Tier 2) at Instant Dojo to unlock Shinobi and Breakthrough (Tier 3) to unlock Rocket Angel and Yuriko Omega. If that Dojo is destroyed your techs are gone as well.

This is doable using Ares's AltPrerequisites and PoweredBy features.

Dojo_Upgrade and Dojo_Breakthrough are two buildable infantries at your Dojo. They are jumpjet, invisible, immune, radarinvisible, unshadowed and can't be selected. They are powered by Dojo so that if you lose your Dojo they die immediately (Cybrog=yes needed).

* Note: This method has two caveats:

# The first is that InfantryType/VehicleType used for upgrade in their respective tab may also benefits from Multiple Factory. This is solvable by setting both kind to BuildTime.MultipleFactory=0
# The second of which is that unlike RA3 version, the upgrade persists until after '''All''' of Factory BuildingTypes for the respective kind died. This is unavoidable until otherwise, but it may proves helpful for you to build a setting that prevents tech lost on death. With FreeUnit logic you may also replicate the very same tech preservation that were available from TD to TS [[https://www.moddb.com/mods/the-dawn-of-the-tiberium-age/images/tech-loss-mechanic#imagebox| Explaination on Dawn of Tiberium Age ModDB page]]

PPM link is here: [[https://ppmforums.com/topic-44189/tians-ini-house/| cxtian39 INI's tech center]] along with EMPINF.shp file for the tutorial

===Step 1: Define Dummy Prerequistes===

In rule(md).ini, write:

  [GenericPrerequisites]
  JAINFTIRE2=CANULL ;dummy building
  JAINFTIRE3=CANULL

This sets up separate kind of Prerequisite groups using Dummy Structure without defining additional BuildingTypes

Up next, set the alternative prerequisites to designated infantry/unit:

  [General]
  PrerequisiteJainftire2Alternate=Dojo_Upgrade ;invisible jumpjet infantry
  PrerequisiteJainftire3Alternate=Dojo_Breakthrough 

The dummy prerequisites now has infantry/unit wired up as a way satisfy the production condition. InfantryType is used in this case.

Remember to set this as follows:

  [ArmorTypes]
  immune=0% 

  [InfantryTypes]
  xx=Dojo_Upgrade
  xx=Dojo_Breakthrough

===Step 2: Setting Up===

You'd want to set both of InfantryTypes like this. They will be buildable to the players:

  [Dojo_Upgrade]
  PixelSelectionBracketDelta=-9999 ;hide the heal bar
  Explosion=NULLANIM
  PoweredBy=JADOJO
  Cyborg=yes
  NoShadow=yes
  DontSayUnitReady=yes
  DontSayUnitLost=yes
  UIName=Name:DojoUpgrade
  Name=Dojo Upgrade
  Category=Soldier
  JumpJet=yes
  Prerequisite=JADOJO,JAREFN
  Prerequisite.Negative=JADOJO,JAINFTIRE2,JAMAINFRAME
  Crushable=yes
  Strength=10
  Fearless=yes
  Armor=immune
  TechLevel=10
  Sight=0
  Pip=white
  Speed=9
  Owner=Japanese
  AllowedToStartInMultiplayer=no
  Cost=750
  Soylent=750
  Points=15
  IsSelectableCombatant=no
  Selectable=no
  Spawned=yes
  Locomotor={92612C46-F71F-11d1-AC9F-006008055BB5}
  PhysicalSize=1
  MovementZone=Fly
  ConsideredAircraft=no
  ThreatPosed=15
  VeteranAbilities=STRONGER,FIREPOWER,ROF,SIGHT,FASTER
  EliteAbilities=SELF_HEAL,STRONGER,FIREPOWER,ROF
  JumpjetSpeed=30
  JumpjetClimb=20
  JumpjetCrash=25
  JumpJetAccel=10
  JumpJetTurnRate=10
  JumpjetHeight=500
  JumpjetWobbles=.01
  JumpjetDeviation=1
  JumpjetNoWobbles=yes
  Size=1
  SpeedType=Hover
  HoverAttack=yes
  Crashable=yes
  BalloonHover=yes
  BuildLimit=1 

[Dojo_Breakthrough] is unlocked after player built their [Dojo_Upgrade]. It is set up almost the same in the original forum. However for the simplicity's sake of tutorial Phobos's Inherit function is used.

* Note: When using Phobos Inherit function, the Ares equivalent of undocumented $Inherit is disabled.

  [Dojo_Breakthrough]
  $Inherits=Dojo_Upgrade
  UIName=Name:DojoBreakthrough
  Name=Dojo Breakthrough 
  Cost=1000
  Soylent=1000 
  Prerequisite=JADOJO,JAINFTIRE2,JAMAINFRAME
  Prerequisite.Negative=none ; as it inherits the parent's value

Once player has constructed them, the respective alternative prerequisite for the following unit should be unlocked like follow:

* If [Dojo_Upgrade] is built, the [JAINFTIRE2] linked to it satisfy the following build conditions on the Dojo:

  [SHINOBI]
  Prerequisite=JADOJO,JAINFTIRE2

* If [Dojo_Breakthrough] is built, the [JAINFTIRE3] linked to it satisfy the following build conditions on the Dojo:

  [ROCKETANGEL]
  Prerequisite=JADOJO,JAINFTIRE3

  [YURIKO]
  Prerequisite=JADOJO,JAINFTIRE3

===Step 3: Finishing touchs===

Finally, switch to art(md).ini and type in the following codes to define art used in these units:

  [Dojo_Upgrade]
  Image=EMPINF
  CameoPCX=upgrade.pcx
  Sequence=RocketeerSequence
  FireUp=2
  Shadow=no 

  [Dojo_Breakthrough]
  Image=EMPINF
  CameoPCX=breakthrough.pcx
  Sequence=RocketeerSequence
  FireUp=2
  Shadow=no

And that's how you achieve psuedo Red Alert 3 production type of Rising Sun faction.