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Themisto mass problem in Sol #4323

macksting opened this Issue Apr 8, 2018 · 2 comments


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macksting commented Apr 8, 2018

Observed behaviour

Game attempted and failed to produce a flawless Themisto, presumably the moon of Jupiter

import [modules/TradeShips.lua]: modules/TradeShips.lua did not return anything
Creating new galaxy generator 'legacy' version 1
Error: Custom system definition: Value cannot be negative/zero (0.000000) for Themisto : mass
Number of factions added: 103
StarSystemCache: misses: 0, slave hits: 0, master hits: 0
SectorCache: misses: 101, slave hits: 0, master hits: 2

Expected behaviour

Themisto should have non-zero/negative mass or be somehow spawned anyway

Steps to reproduce

Start game, read terminal text

My pioneer version (and OS):
build: git (8600607) on Lubuntu 16.04

@macksting macksting changed the title from Custom system Themisto mass problem to Custom Themisto mass problem Apr 8, 2018

@nozmajner nozmajner changed the title from Custom Themisto mass problem to Themisto mass problem in Sol Apr 8, 2018


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jaj22 commented Apr 9, 2018

The root problem is that Themisto is so small that it's not represented as a non-zero mass in 32.32 fixed point earth masses. Zero-mass objects generally do work fine though, even as reference frames: Space stations are all zero-mass, for example.

Last time I checked, Themisto was still spawned (with zero mass). Is this the case, or is it missing now?


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fluffyfreak commented Apr 9, 2018

I think they get spawned, it's just a warning to us to fix it (if possible)

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