def add_effect(effector, thing, effect):
"""Apply an effect to a thing."""
with mutate_key("effect_%s" % thing._fullname, type_=list) as effects:
effects.append((effector._id, effect))
state_changes("effects")["add"][thing._fullname].append(effect)
if thing._fullname == c.user._fullname:
state_changes("myeffects")["add"].append(g.f2pitems[effect])
def remove_effect(thing, effect):
with mutate_key("effect_%s" % thing._fullname, type_=list) as effects:
try:
effects.remove(effect)
except ValueError:
pass
state_changes("effects")["remove"][thing._fullname].append(effect)
if thing._fullname == c.user._fullname:
state_changes("myeffects")["consume"].append(effect)
def consume_item(user, item):
"""Consume an item in the user's inventory or die trying."""
with mutate_key("inventory_%d" % user._id, type_=dict) as inventory:
if item not in inventory:
raise NoSuchItemError()
inventory[item] -= 1
assert inventory[item] >= 0
if inventory[item] == 0:
del inventory[item]
state_changes("inventory")["consume"].append(item)
def clear_inventory(user):
with mutate_key("inventory_%d" % user._id, type_=dict) as inventory:
state_changes("inventory")["consume"].extend(
_expand_inventory(inventory))
inventory.clear()
def add_to_inventory(user, item):
"""Add a given item-name to the user's inventory."""
with mutate_key("inventory_%d" % user._id, type_=dict) as inventory:
inventory[item] = inventory.get(item, 0) + 1
state_changes("inventory")["add"].append(g.f2pitems[item])
def clear_effects(thing):
with mutate_key("effect_%s" % thing._fullname, type_=list) as effects:
state_changes("effects")["remove"][thing._fullname].extend(effects)
if thing._fullname == c.user._fullname:
state_changes("myeffects")["consume"].extend(effects)
del effects[:]
