NBuildings

All 20 NBuildings constants from HOI4 v1.19 — datamined values with the developers' own comments.

NBuildings defines (20 entries)
KeyValueComment
ANTI_AIR_SUPERIORITY_MULT 5 How much air superiority reduction to the enemy does our AA guns? Normally each building level = -1 reduction. With this multiplier.
SAM_MISSION_SUPERIORITY 5 How much air superiority each SAM mission gives per rocket wing performing SAM missions.
MAX_BUILDING_LEVELS 15 Max levels a building can have.
AIRBASE_CAPACITY_MULT 200 Each level of airbase building multiplied by this, gives capacity (max operational value). Value is int. 1 for each airplane.
ROCKETSITE_CAPACITY_MULT 100 Each level of rocketsite building multiplied by this, gives capacity (max operational value). Value is int. 1 for each rocket.
RADAR_RANGE_BASE 20 Radar range base, first level radar will be this + min, best radar will be this + max
RADAR_RANGE_MIN 20 Radar range (from state center to province center) in measure of map pixels. Exluding techs.
RADAR_RANGE_MAX 200 Range is interpolated between building levels 1-15.
RADAR_INTEL_EFFECT 40 Province covered by radar increases intel by 10 (where 255 is max). Province may be covered by multiple radars, then the value sums up.
SABOTAGE_FACTORY_DAMAGE 100 How much damage takes a factory building in sabotage when state is occupied. Damage is mult by (1 + resistance strength), i.e. up to 2 x base value.
BASE_FACTORY_REPAIR 1 Default repair rate in percentage before factories are taken into account (1.0 equals 1%).
BASE_FACTORY_REPAIR_FACTOR 2 Factory speed modifier when repairing.
SUPPLY_PORT_LEVEL_THROUGHPUT 3 supply throughput per level of naval base
MAX_SHARED_SLOTS 25 Max slots shared by factories
OWNER_CHANGE_EXTRA_SHARED_SLOTS_FACTOR 1 Scale factor of extra shared slots when state owner change.
DESTRUCTION_COOLDOWN_IN_WAR 30 Number of days cooldown between removal of buildings in war times
INFRASTRUCTURE_RESOURCE_BONUS 0.15 multiplicative resource bonus for each level of (non damaged) infrastructure
SUPPLY_ROUTE_RESOURCE_BONUS 0.2 multiplicative resource bonus for having a railway/naval connection to the capital
INFRASTRUCTURE_MUD_EFFECT -0.8 multiplicative effect on mud growth for max infra