Pressurization calculation is off, sometimes negative (bp w/ timer reproduces 100% of time)
The negative result is a rare one, but providing screenshot to show it. The calculation of the oxygen space of the hangar is definitely off and shown by the following. The o2 tank will run out of o2 long before it can pressurize the hangar when it breaks.
1. Create New Creative world
2. Paste blueprint ship into world
3. Trigger Timer Hammer Time (middle of open hangar or remotely)
4. Monitor Air Vent Fan Full B-H Hangar
Hangar 3 and 4 doors close
Room Pressurizes Normally
Room Depressurizes Normally
Hangar 3 doors open
<may report Room pressure 0.00% (in space, or xx.xx% in atmosphere) instead of Not pressurized>
Hangar 3 doors close as Hangar 4 doors open
Hangar 4 doors close
Bad things now happen. One of 3 possible results:
1. Room stays Not Pressurized and will not pressurize
2. Room Pressurizes slowly, using more oxygen than the room holds
3. Room pressurization shows a negative percent result
It is known that the cycling of Narrow Door B-H Airlock Inside constantly is what gives these results. Removing "Timer Cycle Inside Airlock Door - Start" from Timer Hammer Time before doing trigger allows everything to work normally. Was discovered intermittently due to the sensor in the hangar that opens powered on doors when a person is detected. The door being opened and closed is behind a closed door. While air pressure in the airlock going over 101% is weird, the inside oxygen tank/vents appear to be doing as expected from the minor destroyed oxygen from a door cycling. The hangar fan is not.
I have the same bug 
Hello, Lanerith!
Thank you for writing to us and providing the blueprint of the affected grid.
As you correctly mentioned, we did notice that the Narrow Door B-H Airlock Inside was causing an issue with the Air Vent Fan F-H Airlock, leading to the room pressure being raised above 100%. However, when we removed "Timer Cycle Inside Airlock Door - Start" from Timer Hammer Time, or ground down the Narrow Door, the issue was resolved. Though, we did not observe the room pressurization reaching a negative percentage.
Could you please send us a video/screen recording showing this issue and share the steps to reproduce it on the affected grid/ship?
Please note, we have had this previously received report from another player about an airtightness issue with Offset Doors, so it is quite possible that the issue you have experienced could be related to that.
Kind Regards,
Keen Software House: QA Department
Hello, Lanerith!
Thank you for writing to us and providing the blueprint of the affected grid.
As you correctly mentioned, we did notice that the Narrow Door B-H Airlock Inside was causing an issue with the Air Vent Fan F-H Airlock, leading to the room pressure being raised above 100%. However, when we removed "Timer Cycle Inside Airlock Door - Start" from Timer Hammer Time, or ground down the Narrow Door, the issue was resolved. Though, we did not observe the room pressurization reaching a negative percentage.
Could you please send us a video/screen recording showing this issue and share the steps to reproduce it on the affected grid/ship?
Please note, we have had this previously received report from another player about an airtightness issue with Offset Doors, so it is quite possible that the issue you have experienced could be related to that.
Kind Regards,
Keen Software House: QA Department
The room pressure in Air Vent Fan F-H Airlock isn't the main issue. I shouldn't have brought it up. The Air Vent Fan Full B-H Hangar increases pressure in 0.01% increments because it believes the hangar is larger than it is. I believe the negative % result is if you get that value large enough that it rolls over, but it is the same effect. The timer only cycled the hangar once before trying to pressurize and the entire sequence is a short time window. This bug is about the volume of air required to fill the hangar. Waiting for hangar volume to reach a rollover level reliably is unnecessary. The current bp already proves the volume increases because the vent can't fill the hangar with oxygen.
The room pressure in Air Vent Fan F-H Airlock isn't the main issue. I shouldn't have brought it up. The Air Vent Fan Full B-H Hangar increases pressure in 0.01% increments because it believes the hangar is larger than it is. I believe the negative % result is if you get that value large enough that it rolls over, but it is the same effect. The timer only cycled the hangar once before trying to pressurize and the entire sequence is a short time window. This bug is about the volume of air required to fill the hangar. Waiting for hangar volume to reach a rollover level reliably is unnecessary. The current bp already proves the volume increases because the vent can't fill the hangar with oxygen.
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