Defined problem.

ID:145447
 
Mar 19 2006, 5:20 am
Code: Racing code for a Text Based.
mob
    verb
        Race()
            for(var/mob/M in world)
                if(!M.key) continue //skip NPCs
                if(M.racing == 1) continue
                var/race = input("Race who?") in list(M.name)
                if(race == M.name)
                    switch(input(M,"[src] wants to race you. Accept?","Challenge!") in list("Yes","No"))
                        if("Yes")
                            world << "<b>[src.name] is now racing [M.name]!"
                            src.StartRace(M)
                        else
                            src << "[M] declined."
                            return

    proc
        StartRace(mob/M,mob/C)
            C.distance = 0
            M.distance = 0
            sleep(5)
//And so on...

runtime error: Cannot modify null.distance.
proc name: StartRace (/mob/proc/StartRace)
usr: the haha (/mob)
src: the haha (/mob)
call stack:
the haha (/mob): StartRace(the haha (/mob), null)
the haha (/mob): Race()
Problem description: "The Haha" is just a test name for me :P. I'm currently racing myself, but I can't because of this. If I can't start races, then the whole game has collapsed in one.

Mar 19 2006, 5:58 am
You need 2 arguments for your proc, though you only passed 1.
Also, if(var==1) should be if(var).
Mar 19 2006, 6:07 am
In response to Mysame
...And where?
Mar 19 2006, 6:10 am
RedlineM203 wrote:
if(M.racing == 1) continue // BOOLEAN! Should be if(M.racing)
src.StartRace(M)// src.StartRace(M) ?  You need 2 arguments, check!:
>mob
>   proc
>       StartRace(mob/M,mob/C) // See? Who the hell is C? you didn't pass him. Use src and forget about C.
>           C.distance = 0
>           M.distance = 0
>           sleep(5)
>