Implement Call of Cthulhu dice rolling #7

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opened 2020-10-01 23:25:03 +00:00 by projectmoon · 1 comment

projectmoon commented

2020-10-01 23:25:03 +00:00

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Once we find out the rules for it.

Zoinker commented

2020-10-01 23:35:51 +00:00

(Migrated from github.com)

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Regular skill/characteristic roll:

Roll 1d100 (1d% + 1d10)
argument: Skill/characteristic value
results:
- Roll > value: Failure
- Roll >= 96 | value < 50 OR Roll = 100: Fumble
- Roll <= value: Success
- Roll <= value/2: Hard Success (fractions rounded down)
- Roll <= value/5: Extreme Success (--''--)
- Roll = 1: Critical Success
Bonus die: roll 1 or 2 extra d%, pick one that yields lowest value
Penalty die: roll 1 or 2 extra d%, pick one that yields highest value

Advancement roll: (For increasing skills)

Roll 1d100 (1d% + 1d10)
Argument: Skill value (characteristics or luck in some cases)
Results:
- Roll <= value: Failure
- Roll > value OR Roll > 95: Success. Roll 1d10 and add it to your skill.

EDIT: Corrected how bonus/penalty die work and the >95 threshold for advancement rolls

Regular skill/characteristic roll: * Roll 1d100 (1d% + 1d10) * argument: Skill/characteristic value * results: * Roll > value: Failure * Roll >= 96 | value < 50 OR Roll = 100: Fumble * Roll <= value: Success * Roll <= value/2: Hard Success (fractions rounded down) * Roll <= value/5: Extreme Success (--''--) * Roll = 1: Critical Success * Bonus die: roll 1 or 2 extra d%, pick one that yields lowest value * Penalty die: roll 1 or 2 extra d%, pick one that yields highest value Advancement roll: (For increasing skills) * Roll 1d100 (1d% + 1d10) * Argument: Skill value (characteristics or luck in some cases) * Results: * Roll <= value: Failure * Roll > value OR Roll > 95: Success. Roll 1d10 and add it to your skill. EDIT: Corrected how bonus/penalty die work and the >95 threshold for advancement rolls