Question about World Events and Messages in Skrit

property bool _server_only$ = false;
property float crit_chance$ = 0.0 doc = "Base chance to crit before Dexterity modifier.";
property float dex_multiplier$ = 0.0 doc = "Multiply actor's Dex by this amount and add to crit_chance.";
property float crit_multiplier$ = 2.0 doc = "Multiply damage done by this amount when a crit happens.";

owner = GoSkritComponent;

Goid attacker$;
Goid target$;

startup state idle$
{
event onGoHandleMessage$( eWorldEvent e$, WorldMessage msg$ )
{
if( owner.Go.parent != null )
{
if( owner.Go.parent.isActor() )
{
if( owner.Go.isEquipped() )
{
attacker$ = owner.Go.parent.goid;
setstate Attack$;
}
}
}
}
}

state Attack$
{
event onEnterState$
{
godb.startwatching( owner.goid, attacker$ );
}
event OnGoHandleCCMessage$( eWorldEvent e$, WorldMessage msg$ )
{
if( !owner.Go.isEquipped() )
{
godb.stopwatching( owner.Goid, attacker$ );
setstate idle$;
}
if( e$ == WE_ANIM_WEAPON_FIRE )
{
Job action$ = attacker$.Go.Mind.GetFrontJob( JQ_ACTION );
if( action$ != NULL )
{
if( action$.JobAbstractType == JAT_ATTACK_OBJECT_MELEE || action$.JobAbstractType == JAT_ATTACK_OBJECT_RANGED )
{
target$ = action$.goalobject;
if( target$ != null && target$ != attacker$ )
{
SetState DamageTarget$;
}
}
}
}
}
}

state DamageTarget$
{
trigger onGoHandleCCMessage$( WE_ENGAGED_HIT_LIVED )
{
float dex$ = attacker$.Go.Actor.GetSkillLevel("dexterity") - 10; // get the dex of actor using our object
float chance$ = ( ( dex$ * dex_multiplier$ ) / 100 ) + crit_chance$; // calculate our go's chance to crit
float random$ = Math.RandomFloat( 1.0 ); // roll for crit!
// is the random # we rolled less than or equal to our chance to crit?
if( random$ <= chance$ )
{
float damage$ = Math.RandomFloat( owner.Go.Attack.DamageMin, owner.Go.Attack.DamageMax ) * ( crit_multiplier$ - 1.0 );
Rules.DamageGo( target$, attacker$, owner.Goid, damage$, false, false );
Rules.AwardExperience( attacker$, owner.Goid, Rules.CalculateExperience( attacker$, owner.Goid, target$, damage$ ) );
Report.SScreen( attacker$.Go.Player.MachineId, "Critical Hit!" );
setstate Finish$;
}
else
{
setstate Finish$;
}
}
}