Improved Invisibility

actor ImprovedInvisibilitySphere : CustomInventory replaces InvisibilitySphere {
  Game Doom
  Game Heretic
  Game Hexen
  SpawnID 174
  +COUNTITEM
  +VISIBILITYPULSE
  +INVENTORY.AUTOACTIVATE
  +INVENTORY.ALWAYSPICKUP
  Inventory.MaxAmount 0
  //Powerup.Type "Invisibility30"
  RenderStyle Translucent
  Inventory.PickupMessage "Improved Invisibility"
  Inventory.PickupAnnouncerEntry "invisibility"
  States {
    Spawn:
      SINV ABCD 6 Bright
      Loop
    Pickup:
      TNT1 A 0 A_GiveInventory("Invisibility30Giver", 1)
      TNT1 A 0 A_GiveInventory("Protection67Giver", 1)
      stop
  }
}

actor Invisibility30Giver : PowerupGiver {
  +INVENTORY.AUTOACTIVATE
  Powerup.Type "Invisibility30"
}

actor Protection67Giver : PowerupGiver {
  +INVENTORY.AUTOACTIVATE
  Powerup.Type "Protection67"
}

actor PowerInvisibility30 : PowerInvisibility {
  Powerup.Duration -30
}

actor PowerProtection67 : PowerProtection {
  Powerup.Duration -30
  damagefactor "normal", 0.67
}