How do I get the value of a Datum?

ID:1330777
 
Jul 21 2013, 12:41 pm
(See the best response by DarkCampainger.)
Code:
Stat
    var/value
    var/XP
    var/maxxp
    var/max
    
    proc/check()
        while(XP >= maxxp)
            XP = XP - maxxp
            value ++

    New(v,x,m,n)
        value = v
        XP = x
        maxxp = m
        max = n


Problem description:
I want to get the value of the datum in an expression, that way, I can do something like:

dmg = src.attack.value + var


However, it won't let me do this. Can anyone offer some help, please?
Jul 21 2013, 12:45 pm
Show where you declare src.attack

Edit: Also, the object never exists because you aren't calling the parent proc, ..(), when over riding.
Jul 21 2013, 12:54 pm
mob/var/Stat/attack = new(1, 1, 1, 1)
Jul 21 2013, 1:16 pm
Here's an example:
Vitals
    var
        Name = ""
        Cur = 0
        Max = 0

    New(a,b,c)
        Name = a
        Cur = b
        Max = c
mob
    var
        Vitals/Health
    Login()
        new Health("hp",20,20)
        world << src.Health.Cur
Jul 21 2013, 1:22 pm
In response to Kitsueki
Best response
Kitsueki wrote:
Edit: Also, the object never exists because you aren't calling the parent proc, ..(), when over riding.

The datum has already been created (and if it's an atom, placed at a loc) by the time New() is called. By default, New() does nothing, so calling the parent proc with ..() won't have any effect unless you defined it in a parent type.
Jul 21 2013, 1:48 pm
In response to DarkCampainger
Yeah I thought I was crazy at 1st when I read it. So I didn't pay much attention to it. But yeah he's very wrong.
Jul 21 2013, 2:04 pm
In response to DarkCampainger
Ah, you're right. I stand corrected :)

Assuming Wissam is answering me, nothing is ever getting assigned to Health.
Jul 21 2013, 3:08 pm
In response to Kitsueki
My bad, my bad.
Health = new("text",100,100)

idk how i missed that XD
Jul 21 2013, 4:15 pm
In response to Wissam
Did that fix the issues you were having? 8)
Jul 21 2013, 5:23 pm
I finally defined all of these datums, but now it's telling me these datums are undefined.

mob
    var/stat/HP
    var/stat/MP
    var/stat/ATK
    var/stat/INT
    var/stat/DEX
    var/stat/DES

    Login()
        ..()
        HP = new(100,0,25,100000)
        MP = new(100,0,25,100000)
        ATK = new(20,0,20,1000)
        INT = new(20,0,20,1000)
        DEX = new(20,0,20,1000)
        DES = new(20,0,20,1000)


Edit: It turns out the problem was I didn't capitalize the others "stat"'s. Thanks guys!
Jul 21 2013, 5:25 pm
In response to GamerMania
In your OP stat was capitalized, try Stat/HP, etc..
Jul 23 2013, 1:15 am
From looking through this thread, it doesn't look like OP's question was ever actually answered?

To get the value you just need to make a proc that returns the value, so for example

Stat
   var/value = 0
   proc/get()
      return value


Then, as you asked, you can simply do
dmg = attack.get() + 9001