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Avoid calling rn2(0) when the first room(s) have frequency 0

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This probably won't happen in practice, but it is a good safeguard
if this ever does happen (it happened for me in debugging when I wished
to have no "regular" rooms and only generate themed rooms).
This commit is contained in:
copperwater
2020-05-23 17:11:36 -04:00
committed by Pasi Kallinen
parent 999222a8a4
commit 3d4ba4d666
1 changed files with 2 additions and 1 deletions
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3
dat/themerms.lua
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@@ -576,7 +576,8 @@ function themerooms_generate()
this_frequency = 1;
end
total_frequency = total_frequency + this_frequency;
if (nh.rn2(total_frequency) < this_frequency) then
-- avoid rn2(0) if a room has freq 0
if this_frequency > 0 and nh.rn2(total_frequency) < this_frequency then
pick = i;
end
end