0001344: Setting a maximum lower than a minimum causes DF to hang/freeze on world gen

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0001344

Dwarf Fortress

World Generation -- Parameters

public

2010-04-19 16:05

2014-08-22 08:14

Reporter

ilmoran

Assigned To

Footkerchief

Priority

low

Severity

major

Reproducibility

have not tried

Status

confirmed

Resolution

open

Platform

Windows Vista 64 Bit

OS Version

Business SP 1

Product Version

0.31.03

Target Version

Fixed in Version

Summary

0001344: Setting a maximum lower than a minimum causes DF to hang/freeze on world gen

Description

If a "maximum" parameter (i.e. Maximum Savagery) is set lower than the minimum for the same value (i.e. Minimum Savagery), program hangs when attempting to generate a world. Was unable to abort out of world gen.

Steps To Reproduce

Choose to create a new world with parameters.
Set Minimum Savagery to 10
Set Maximum Savagery to 9
Generate world
<System will hang, nothing shows on screen, not even a rapidly increasing rejected world count>
Attempt to abort world gen.

Additional Information

I would suggest that either attempting to set the minimum above the maximum, or the maximum below the minimum, should warn the user before letting them out of the parameter screen, or automatically set them to the same value. Should not be able to get to the point of attempting world generation with invalid min/max values like this.

Tags

worldgen

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Notes
(0029473) Cosinus (reporter) 2014-08-22 02:23	Going through worldgen bugs, I found this and tested in 40.09. The problem is still present as described in the description. Worldgen stops in the "preparing elevation" step and can not be aborted (you have to kill DF to stop it). I also tried this with other parameters like volcanism and drainage; the result is the same. Although no one with a sane mind would enter a lower maximum then minimum, this bug seems like a quick fix. Just check the parameters before worldgen and display an error.

Issue History
Date Modified	Username	Field	Change
2010-04-19 16:05	ilmoran	New Issue
2010-04-19 17:32	Kennel	Tag Attached: worldgen
2014-08-22 02:23	Cosinus	Note Added: 0029473
2014-08-22 08:14	Footkerchief	Assigned To	=> Footkerchief
2014-08-22 08:14	Footkerchief	Status	new => confirmed