FreeUnit
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| Flag: | FreeUnit |
| File(s): | rules(md).ini |
| Values: | Strings: Normal text. (Limited to: VehicleTypes) |
| Applicable to: | BuildingTypes |
Specifies the VehicleType that should appear beside this BuildingType when it is placed after being constructed by the player (the unit comes free with the building). This logic is only used by the two Ore Refineries in the unmodded game.
You cannot have a BuildingType that costs less than its FreeUnit.
If the Cost of the FreeUnit is higher than the Cost of the BuildingType, then the price of the BuildingType will be overridden to match the Cost of the FreeUnit.
For example, if you have a BuildingType with Cost=500 and its FreeUnit has Cost=2000 then the BuildingType will actually cost 2000 in-game (although note that the construction speed of the BuildingType is not affected by this change in price).
If the BuildingType is sold then the FreeUnit Cost is not taken into account - the BuildingType's Soylent is based on the Cost of the BuildingType only, so you need to set the Soylent for the BuildingType manually. In the case of the Ore Refinery, Soylent is set to 300 because the Ore Refinery has Cost=2000 and its FreeUnit has Cost=1400 (in the unmodded game, you get 50% refund when you sell a BuildingType).
FreeUnit and Industrial Plant logic
As far as Industrial Plant logic is concerned, 'free units' are not actually free. In the case of the Ore Refinery (Cost=2000), the game thinks you are paying for a 1400 credit ore miner and a 600 credit Ore Refinery at the same time. Assuming the original Industrial Plant settings are used, VehicleType prices are reduced to 75% and BuildingType prices are not reduced. Therefore the price of the Ore Refinery becomes:
(0.75 x 1400) + 600 = 1650
If you changed the Industrial Plant so that BuildingType prices were reduced to 50% as well (or made a new Industrial Plant), then the price of the Ore Refinery would become:
(0.75 x 1400) + (0.5 x 600) = 1350
Note that multiple Industrial Plants stack their bonuses. For example, owning two [unmodded] Industrial Plants would cause the price of the Ore Refinery to become:
(0.75 x (0.75 x 1400)) + 600 = 1387.5
