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Steam News15 January 20265mo ago

v0.17: Building Modifiers

New Features Implemented a new system to dynamically adjust building performance based on terrain and proximity. Added for real-time evaluation of placement conditions.

In this update3

Full notes

Full HARWELL: Mars Industries update

Read the full published notes in a cleaner layout. The original post stays linked below.

What changed

1 fix7 additions5 changes0 removals
  • Maps
  • Gameplay
  • UI and audio
  • Events
changedNew FeaturesImplemented a new system to dynamically adjust building performance based on terrain and proximity.
addedNew FeaturesAdded for real-time evaluation of placement conditions.
addedNew FeaturesAdded a modifier preview tooltip during building placement to show active bonuses or penalties before you build.
addedNew FeaturesAdded efficiency modifiers for Wind Turbines based on nearby mountains and building interference.
addedNew FeaturesIntroduced penalties for buildings disconnected from the HQ based on their distance.
addedNew FeaturesIntegrated GodotSteam and Spotlight add-ins for enhanced multiplayer and editor functionality.

HARWELL: Mars Industries changes

changedImplemented a new system to dynamically adjust building performance based on terrain and proximity.
addedAdded for real-time evaluation of placement conditions.
addedAdded a modifier preview tooltip during building placement to show active bonuses or penalties before you build.
addedAdded efficiency modifiers for Wind Turbines based on nearby mountains and building interference.
addedIntroduced penalties for buildings disconnected from the HQ based on their distance.

New Features

  • Implemented a new system to dynamically adjust building performance based on terrain and proximity.

  • Added for real-time evaluation of placement conditions.

  • Modifiers are now fully integrated into production logic and financial previews.

  • Added a modifier preview tooltip during building placement to show active bonuses or penalties before you build.

  • Added efficiency modifiers for Wind Turbines based on nearby mountains and building interference.

  • Introduced penalties for buildings disconnected from the HQ based on their distance.

  • Integrated GodotSteam and Spotlight add-ins for enhanced multiplayer and editor functionality.

  • Added Signalbus events for building lifecycle tracking (placement and removal).

  • Added a comprehensive modding guide for the Building Modifier System.

Improvements

  • Redesigned the tooltip system for better consistency and improved screen boundary detection.

  • Updated building tooltips to display detailed information on active modifiers and their specific effects.

  • Implemented the MapIndex to optimise terrain and building data lookups for modifier calculations.

  • Updated the BuildingManager to support batch processing of modifier-adjusted production and maintenance.

Bug Fixes

  • Fixed missing translations across all supported languages.

Source

Steam News / 15 January 2026

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