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Bob G
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Join Date: Nov 2017
Location: Trafford, PA, USA
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Old December 4th, 2017, 12:12 PM
I’m writing an eval script that grants a 5’ bonus to base speed. This ability scales with level. The first 5’ bonus is granted at 1st level, and then again at every 4 class levels (i.e. 4th, 8th, 12th, etc.)
The script I first came up with was:

field[abValue].value += round(field[xTotalLev].value / 4, 0, -1) + 5

It worked for 1st level (changed 30’ speed to 35’ speed), but at 4th level the speed became 36’. So I changed the script to:

field[abValue].value += round(field[xTotalLev].value / 4, 0, -1) * 5

This worked at all levels except 1st.

Then I thought “What if I round up instead of down?”:
field[abValue].value += round(field[xTotalLev].value / 4, 0, 1) + 5

This resulted in a +6’ movement speed at 1st level.

field[abValue].value += round(field[xTotalLev].value / 4, 0, 1) * 5

This resulted in a 5’ increase at 1st level, but no increase at 4th.

What is the magic formula to make this work?
Thanks^7
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Mathias
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Old December 4th, 2017, 12:48 PM
At 1st level, level/4 = 0, but you want to add +5 at 1st level, so you want to add 1 to the total you're calculating, and then multiply it.

Code:
field[abValue].value += (round(field[xTotalLev].value / 4, 0, -1) + 1) * 5
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Bob G
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Join Date: Nov 2017
Location: Trafford, PA, USA
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Old December 4th, 2017, 08:10 PM
Quote:
Originally Posted by Mathias View Post
At 1st level, level/4 = 0, but you want to add +5 at 1st level, so you want to add 1 to the total you're calculating, and then multiply it.

Code:
field[abValue].value += (round(field[xTotalLev].value / 4, 0, -1) + 1) * 5
Yes! That made it work. You guys must work on this a lot
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Bob G
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Location: Trafford, PA, USA
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Old December 7th, 2017, 09:31 PM
Another Round function challenge for you all: Ability that grants +1 to perception skill at 3rd level, and gains an additional +1 at 7th, 11th, 15th and 19th levels.

field[abValue].value += round(field[xTotalLev].value-2 / 4, 0, -1) + 1

~Apply bonus to Perception skill
hero.child[skPercep].field[Bonus].value += field[abValue].value

Somehow, the bonus at 3rd level delivers a result of +3. I am baffled as to how it arrived at that result. Any ideas?
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Farling
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Old December 7th, 2017, 11:51 PM
Well, I suspect it is doing 3 - 2 / 4; so that becomes 3 - 0.

You need the field...value - 2 in parentheses so that the minus gets done before the divide.

BODMAS

Farling

Author of the Realm Works Import tool, Realm Works Output tool and Realm Works to Foundry module

Donations gratefully received via Patreon, Ko-Fi or Paypal
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EightBitz
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Posts: 1,458

Old December 8th, 2017, 03:13 AM
Quote:
Originally Posted by Bob G View Post
Another Round function challenge for you all: Ability that grants +1 to perception skill at 3rd level, and gains an additional +1 at 7th, 11th, 15th and 19th levels.

field[abValue].value += round(field[xTotalLev].value-2 / 4, 0, -1) + 1

~Apply bonus to Perception skill
hero.child[skPercep].field[Bonus].value += field[abValue].value

Somehow, the bonus at 3rd level delivers a result of +3. I am baffled as to how it arrived at that result. Any ideas?
I would also put the value you want to round in a variable first. Then round the variable. I've found that to eliminate a lot of issues.

Code:
var bonus as number
var roundbonus as number

bonus = field[xTotalLev].value-2
roundbonus = round(bonus/4,0,-1) + 1

field[abValue].value += roundbonus

~Apply bonus to Perception skill
hero.child[skPercep].field[Bonus].value += field[abValue].value
It's a few more lines, but it makes things more readable.
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