How do I make stats formulas?[Solved]

[zaWarrrdo]

Hi!

How can I make formulas with variables for stats?
With this code I'm getting error "bsmth is not defined"
How do we define them ?

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default bsmth = 0
default alch = 0
default herb = 0
default comb = 0
define lvl = 1+bsmth+alch+herb+comb
define hp = (18+lvl+3**herb)+(18+lvl+3**herb)*alch*0,01
define defph = (0+lvl%2+2,4**bsmth)+(0+lvl%2+2,4**bsmth)*alch*0,02
define dps = (0+lvl%4+2**comb)+(0+lvl%4+2**comb)*alch*0,03

[Morhighan]

I am using this Ren'Py Documentation Page for reference and my best guess for what is happening is this:

Variables that are defined using the define statement are treated as constant, are not saved or loaded, and should not be changed. (Ren'Py does not enforce this, but will produce undefined behavior when this is not the case.)

My best guess for remedying this error is something like having the following in option.rpy or its own script file.

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#define all values
default bsmth = 0
default alch = 0
default herb = 0
default comb = 0
default lvl = 1
default hp = 10 #or whatever the inital number you want it to be is
default defph = 10 #or whatever the inital number you want it to be is
default dps = 10 #or whatever the inital number you want it to be is

#now that values are defined they can be changed after the start of the game in script.rpy:

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label start:
	
	"Hello world! I am a new adventurer."
	
	$ lvl = 1+bsmth+alch+herb+comb
	$ hp = (18+lvl+3**herb)+(18+lvl+3**herb)*alch*0,01
	$ defph = (0+lvl%2+2,4**bsmth)+(0+lvl%2+2,4**bsmth)*alch*0,02
	$ dps = (0+lvl%4+2**comb)+(0+lvl%4+2**comb)*alch*0,03
	
	"My level is [lvl]. My HP is [hp]. My defph is [defph]. My DPS is [dps]."
	

I haven't tested this myself, but I'm hoping this gives you a good place to start. Let me know if you have any questions.

[zaWarrrdo]

Thank you very much!

Another question:

Why do I get tuple instead of number, when I use this formula?
How can I rewrite it?
The main idea is that Health Points depend on lvl, skill of herbalism "herb" and skill of alchemy "alch"

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$hp = (18+lvl+3**herb)+(18+lvl+3**herb)*alch*0,01

while lvl=1 herb=0 alch=0
It should be 18+1+3**0=20
But instead I get (20,1) as tuple.

[Remix]

alch*0.01

Python (and most of the world uses a dot/period . to indicate decimal point)

[zaWarrrdo]

Thank you, Remix!