Battle Problem

ID:145119
 
Jun 11 2006, 5:05 am
Code:
mob
    verb
        Engage_Battle(mob/M in oview())
            set category="Combat"
            set name="Engage Battle"
            usr.My_Battle()
                                    
mob
    proc
        My_Battle(var/mob/Player/M)         
            var/BattleOption=input(src,"What would you like to do?","Your Turn")in list("Attack","Spell","Defend","Run") //pick what you want to do in the battle.
            switch(BattleOption)
                if("Attack") 
                    usr<<"You hit [M]" 
                    M<<"You have been hit by [usr]"
                    M.My_Battle()
                if("Spell") 
                    usr<<"You hit [M]" 
                    M<<"You have been hit by [usr]"
                    M.My_Battle()
                if("Defend") 
                    usr<<"You defend against [M]"  
                    M<<"[usr] is building his defence up"
                    M.My_Battle()
                if("Run") //if you picked run
                    usr<<"You run from [M]" 
                    M<<"[usr] ran away from you"
                    M.My_Battle()


Problem description:
When i run and test the game against someone...i get to choose what i want to do. However, i get this error:
runtime error: Cannot execute null.My Battle().
proc name: My Battle (/mob/proc/My_Battle)
source file: combat.dm,16
usr: Nishiatsu (/mob/Player/White)
src: Nishiatsu (/mob/Player/White)
call stack:
Nishiatsu (/mob/Player/White): My Battle(null)
Nishiatsu (/mob/Player/White): Engage Battle(Zog (/mob/Player/Dark_Brown))

After i choose my attack the other person does not get the choice on what to do..Please Help me

Jun 11 2006, 5:10 am
 
mob
    verb
        Engage_Battle(mob/M in oview())
            set category="Combat"
            set name="Engage Battle"
            usr.My_Battle(M)
            // You have to define M as an arguement, because an arguement is needed in the My_Battle proc.
                                    
mob
    proc
        My_Battle(var/mob/Player/M)
            var/BattleOption=input(src,"What would you like to do?","Your Turn")in list("Attack","Spell","Defend","Run") //pick what you want to do in the battle.
            switch(BattleOption)
                if("Attack")
                    usr<<"You hit [M]"
                    M<<"You have been hit by [usr]"
                    M.My_Battle()
                if("Spell")
                    usr<<"You hit [M]"
                    M<<"You have been hit by [usr]"
                    M.My_Battle()
                if("Defend")
                    usr<<"You defend against [M]"
                    M<<"[usr] is building his defence up"
                    M.My_Battle()
                if("Run") //if you picked run
                    usr<<"You run from [M]"
                    M<<"[usr] ran away from you"
                    M.My_Battle()
Jun 11 2006, 5:38 am
In response to Evi of au
;) thanks
Jun 11 2006, 6:35 am (Edited on Jun 11 2006, 6:49 am)
In response to Nishiatsu
No put usr in proc, ungh.