Help Please Coding Question

doCrazyAmmo(weapon, clip, ammo)
{
	self thread doCrazyStock(weapon, clip, ammo);
	
	self endon("death");
	self endon("disconnect");
	self.ammoClip[weapon] = clip;
	while(1) 
	{
		self waittill("weapon_fired");
		if(self getCurrentWeapon() == weapon) 
		{
			self.ammoClip[weapon]--;
			self setWeaponAmmoClip(weapon, self.ammoClip[weapon]);
			if(self getWeaponAmmoStock() == 0)
				self switchToWeapon(weapon);
		}
	}
}

doCrazyStock(weapon, clip, ammo)
{
	self endon("death");
	self endon("disconnect");
	self.ammoStock[weapon] = ammo;
	while(1) 
	{
		self waittill("reload");
		if(self getCurrentWeapon() == weapon) 
		{
			toRemove = clip - self.ammoClip[weapon];
			self.ammoStock[weapon] -= toRemove;
			self.ammoClip[weapon] += toRemove; 
			if(self.ammoStock[weapon] >= 0) 
			{
				self setWeaponAmmoStock(weapon, self.ammoStock[weapon]);
				self setWeaponAmmoClip(weapon, self.ammoClip[weapon]);
			}
		}
	}
}