def match_condition(self, quest_key):
"""
Check if the quest matches its condition.
Args:
quest_key: (string) quest's key
Returns:
(boolean) result
"""
# Get quest's record.
model_names = OBJECT_KEY_HANDLER.get_models(quest_key)
if not model_names:
return False
for model_name in model_names:
model_quest = apps.get_model(settings.WORLD_DATA_APP, model_name)
try:
record = model_quest.objects.get(key=quest_key)
return STATEMENT_HANDLER.match_condition(
record.condition, self.owner, None)
except ObjectDoesNotExist:
continue
except AttributeError:
continue
return True
def get_appearance(self, caller):
"""
This is a convenient hook for a 'look'
command to call.
"""
# Get name and description.
if caller.is_exit_unlocked(self.get_data_key()):
# If is unlocked, use common appearance.
return super(MudderyLockedExit, self).get_appearance(caller)
can_unlock = STATEMENT_HANDLER.match_condition(self.unlock_condition, caller, self)
if can_unlock and self.auto_unlock:
# Automatically unlock the exit when a character looking at it.
caller.unlock_exit(self)
# If is unlocked, use common appearance.
return super(MudderyLockedExit, self).get_appearance(caller)
cmds = []
if can_unlock:
# show unlock command
verb = self.unlock_verb
if not verb:
verb = LS("Unlock")
cmds = [{"name": verb, "cmd": "unlock_exit", "args": self.dbref}]
info = {"dbref": self.dbref,
"name": self.name,
"desc": self.locked_desc,
"cmds": cmds}
return info
def get_appearance(self, caller):
"""
This is a convenient hook for a 'look'
command to call.
"""
# Get name and description.
if caller.is_exit_unlocked(self.get_data_key()):
# If is unlocked, use common appearance.
return super(MudderyLockedExit, self).get_appearance(caller)
can_unlock = STATEMENT_HANDLER.match_condition(self.unlock_condition, caller, self)
if can_unlock and self.auto_unlock:
# Automatically unlock the exit when a character looking at it.
caller.unlock_exit(self)
# If is unlocked, use common appearance.
return super(MudderyLockedExit, self).get_appearance(caller)
cmds = []
if can_unlock:
# show unlock command
verb = self.unlock_verb
if not verb:
verb = _("Unlock")
cmds = [{"name": verb, "cmd": "unlock_exit", "args": self.dbref}]
info = {"dbref": self.dbref,
"name": self.name,
"desc": self.locked_desc,
"cmds": cmds}
return info
def can_unlock(self, caller):
"""
Unlock an exit.
"""
# Only can unlock exits which match there conditions.
return STATEMENT_HANDLER.match_condition(self.unlock_condition, caller,
self)
def get_surroundings(self, caller):
"""
This is a convenient hook for a 'look'
command to call.
"""
# get name, description, commands and all objects in it
info = {
"exits": [],
"npcs": [],
"things": [],
"players": [],
"offlines": []
}
visible = (cont for cont in self.contents
if cont != caller and cont.access(caller, "view"))
if GAME_SETTINGS.get("solo_mode"):
visible = (cont for cont in visible if not cont.has_player)
for cont in visible:
# only show objects that match the condition
condition = getattr(cont.dfield, "condition", None)
if condition:
if not STATEMENT_HANDLER.match_condition(
condition, caller, self):
continue
type = self.get_surrounding_type(cont)
if type:
appearance = {}
if type == "npcs":
# add quest status
if hasattr(cont, "have_quest"):
provide_quest, complete_quest = cont.have_quest(caller)
appearance["provide_quest"] = provide_quest
appearance["complete_quest"] = complete_quest
elif type == "exits":
# get exits destination
if cont.destination:
dest = {
"name": cont.destination.get_name(),
"position": cont.destination.position
}
appearance["destination"] = dest
elif type == "offlines":
continue
appearance["dbref"] = cont.dbref
appearance["name"] = cont.get_name()
appearance["key"] = cont.get_data_key()
info[type].append(appearance)
return info
def get_available_commands(self, caller):
"""
This returns a list of available commands.
"args" must be a string without ' and ", usually it is self.dbref.
"""
if not STATEMENT_HANDLER.match_condition(self.loot_condition, caller, self):
return []
commands = [{"name": self.loot_verb, "cmd": "loot", "args": self.dbref}]
return commands
def get_available_commands(self, caller):
"""
This returns a list of available commands.
"args" must be a string without ' and ", usually it is self.dbref.
"""
if not STATEMENT_HANDLER.match_condition(self.loot_condition, caller, self):
return []
commands = [{"name": self.loot_verb, "cmd": "loot", "args": self.dbref}]
return commands
def get_desc(self, caller):
"""
This returns object's descriptions on different conditions.
"""
desc_conditions = DESC_HANDLER.get(self.get_data_key())
if desc_conditions:
for item in desc_conditions:
if STATEMENT_HANDLER.match_condition(item["condition"], caller, self):
return item["desc"]
return self.db.desc
def get_desc(self, caller):
"""
This returns object's descriptions on different conditions.
"""
desc_conditions = DESC_HANDLER.get(self.get_data_key())
if desc_conditions:
for item in desc_conditions:
if STATEMENT_HANDLER.match_condition(item["condition"], caller, self):
return item["desc"]
return self.db.desc
def get_npc_sentences(self, caller, npc):
"""
Get NPC's sentences that can show to the caller.
Args:
caller: (object) the character who want to start a talk.
npc: (object) the NPC that the character want to talk to.
Returns:
sentences: (list) a list of available sentences.
"""
if not caller:
return
if not npc:
return
sentences = []
# Get npc's dialogues.
for dlg_key in npc.dialogues:
# Get all dialogues.
npc_dlg = self.get_dialogue(dlg_key)
if not npc_dlg:
continue
# Match conditions.
if not STATEMENT_HANDLER.match_condition(npc_dlg["condition"],
caller, npc):
continue
# Match dependencies.
match = True
for dep in npc_dlg["dependencies"]:
status = QUEST_STATUS_SET.get(dep["type"])
if not status.match(caller, dep["quest"]):
match = False
break
if not match:
continue
if npc_dlg["sentences"]:
# If has sentence, use it.
sentences.append(npc_dlg["sentences"][0])
if not sentences:
# Use default sentences.
# Default sentences should not have condition and dependencies.
for dlg_key in npc.default_dialogues:
npc_dlg = self.get_dialogue(dlg_key)
if npc_dlg:
sentences.append(npc_dlg["sentences"][0])
return self.create_output_sentences(sentences, caller, npc)
def dialogue_have_quest(self, caller, npc, dialogue, accomplished_quests):
"""
Find quests by recursion.
"""
provide_quest = False
complete_quest = False
# check if the dialogue is available
npc_dlg = self.get_dialogue(dialogue)
if not npc_dlg:
return (provide_quest, complete_quest)
if not STATEMENT_HANDLER.match_condition(npc_dlg["condition"], caller,
npc):
return (provide_quest, complete_quest)
match = True
for dep in npc_dlg["dependencies"]:
if not QUEST_DEP_HANDLER.match_dependency(caller, dep["quest"],
dep["type"]):
match = False
break
if not match:
return (provide_quest, complete_quest)
# find quests in its sentences
for sen in npc_dlg["sentences"]:
if sen["complete_quest"] in accomplished_quests:
complete_quest = True
return (provide_quest, complete_quest)
if not provide_quest and sen["provide_quest"]:
quest_key = sen["provide_quest"]
if caller.quest_handler.can_provide(quest_key):
provide_quest = True
if not accomplished_quests:
return (provide_quest, complete_quest)
for dlg_key in npc_dlg["nexts"]:
# get next dialogue
provide, complete = self.dialogue_have_quest(
caller, npc, dlg_key, accomplished_quests)
provide_quest = (provide_quest or provide)
complete_quest = (complete_quest or complete)
if complete_quest:
break
if not accomplished_quests:
if provide_quest:
break
return (provide_quest, complete_quest)
def is_visible(self, caller):
"""
If this object is visible to the caller.
Return:
boolean: visible
"""
if not self.condition:
return True
return STATEMENT_HANDLER.match_condition(self.condition, caller, self)
def get_npc_sentences(self, caller, npc):
"""
Get NPC's sentences that can show to the caller.
Args:
caller: (object) the character who want to start a talk.
npc: (object) the NPC that the character want to talk to.
Returns:
sentences: (list) a list of available sentences.
"""
if not caller:
return
if not npc:
return
sentences = []
# Get npc's dialogues.
for dlg_key in npc.dialogues:
# Get all dialogues.
npc_dlg = self.get_dialogue(dlg_key)
if not npc_dlg:
continue
# Match conditions.
if not STATEMENT_HANDLER.match_condition(npc_dlg["condition"], caller, npc):
continue
# Match dependencies.
match = True
for dep in npc_dlg["dependencies"]:
status = QUEST_STATUS_SET.get(dep["type"])
if not status.match(caller, dep["quest"]):
match = False
break
if not match:
continue
if npc_dlg["sentences"]:
# If has sentence, use it.
sentences.append(npc_dlg["sentences"][0])
if not sentences:
# Use default sentences.
# Default sentences should not have condition and dependencies.
for dlg_key in npc.default_dialogues:
npc_dlg = self.get_dialogue(dlg_key)
if npc_dlg:
sentences.append(npc_dlg["sentences"][0])
return sentences
def is_visible(self, caller):
"""
If this object is visible to the caller.
Return:
boolean: visible
"""
if not self.condition:
return True
return STATEMENT_HANDLER.match_condition(self.condition, caller, self)
def dialogue_have_quest(self, caller, npc, dialogue):
"""
Find quests by recursion.
"""
provide_quest = False
finish_quest = False
# check if the dialogue is available
npc_dlg = self.get_dialogue(dialogue)
if not npc_dlg:
return (provide_quest, finish_quest)
if not STATEMENT_HANDLER.match_condition(npc_dlg["condition"], caller,
npc):
return (provide_quest, finish_quest)
match = True
for dep in npc_dlg["dependencies"]:
status = QUEST_STATUS_SET.get(dep["type"])
if not status.match(caller, dep["quest"]):
match = False
break
if not match:
return (provide_quest, finish_quest)
# find quests in its sentences
for sen in npc_dlg["sentences"]:
for quest_key in sen["finish_quest"]:
if caller.quest_handler.is_accomplished(quest_key):
finish_quest = True
return (provide_quest, finish_quest)
if not provide_quest and sen["provide_quest"]:
for quest_key in sen["provide_quest"]:
if caller.quest_handler.can_provide(quest_key):
provide_quest = True
return (provide_quest, finish_quest)
for dlg_key in npc_dlg["nexts"]:
# get next dialogue
provide, finish = self.dialogue_have_quest(caller, npc, dlg_key)
provide_quest = (provide_quest or provide)
finish_quest = (finish_quest or finish)
if finish_quest:
break
if not caller.quest_handler.get_accomplished_quests():
if provide_quest:
break
return (provide_quest, finish_quest)
def dialogue_have_quest(self, caller, npc, dialogue):
"""
Find quests by recursion.
"""
provide_quest = False
finish_quest = False
# check if the dialogue is available
npc_dlg = self.get_dialogue(dialogue)
if not npc_dlg:
return (provide_quest, finish_quest)
if not STATEMENT_HANDLER.match_condition(npc_dlg["condition"], caller, npc):
return (provide_quest, finish_quest)
match = True
for dep in npc_dlg["dependencies"]:
status = QUEST_STATUS_SET.get(dep["type"])
if not status.match(caller, dep["quest"]):
match = False
break
if not match:
return (provide_quest, finish_quest)
# find quests in its sentences
for sen in npc_dlg["sentences"]:
for quest_key in sen["finish_quest"]:
if caller.quest_handler.is_accomplished(quest_key):
finish_quest = True
return (provide_quest, finish_quest)
if not provide_quest and sen["provide_quest"]:
for quest_key in sen["provide_quest"]:
if caller.quest_handler.can_provide(quest_key):
provide_quest = True
return (provide_quest, finish_quest)
for dlg_key in npc_dlg["nexts"]:
# get next dialogue
provide, finish = self.dialogue_have_quest(caller, npc, dlg_key)
provide_quest = (provide_quest or provide)
finish_quest = (finish_quest or finish)
if finish_quest:
break
if not caller.quest_handler.get_accomplished_quests():
if provide_quest:
break
return (provide_quest, finish_quest)
def dialogue_have_quest(self, caller, npc, dialogue, accomplished_quests):
"""
Find quests by recursion.
"""
provide_quest = False
complete_quest = False
# check if the dialogue is available
npc_dlg = self.get_dialogue(dialogue)
if not npc_dlg:
return (provide_quest, complete_quest)
if not STATEMENT_HANDLER.match_condition(npc_dlg["condition"], caller, npc):
return (provide_quest, complete_quest)
match = True
for dep in npc_dlg["dependencies"]:
if not QUEST_DEP_HANDLER.match_dependency(caller, dep["quest"], dep["type"]):
match = False
break;
if not match:
return (provide_quest, complete_quest)
# find quests in its sentences
for sen in npc_dlg["sentences"]:
if sen["complete_quest"] in accomplished_quests:
complete_quest = True
return (provide_quest, complete_quest)
if not provide_quest and sen["provide_quest"]:
quest_key = sen["provide_quest"]
if caller.quest_handler.can_provide(quest_key):
provide_quest = True
if not accomplished_quests:
return (provide_quest, complete_quest)
for dlg_key in npc_dlg["nexts"]:
# get next dialogue
provide, complete = self.dialogue_have_quest(caller, npc, dlg_key, accomplished_quests)
provide_quest = (provide_quest or provide)
complete_quest = (complete_quest or complete)
if complete_quest:
break
if not accomplished_quests:
if provide_quest:
break
return (provide_quest, complete_quest)
def get_next_sentences(self, caller, npc, current_dialogue,
current_sentence):
"""
Get current sentence's next sentences.
Args:
caller: (object) the character who want to start a talk.
npc: (object) the NPC that the character want to talk to.
dialogue: (string) the key of the currrent dialogue.
sentence: (int) the number of current sentence.
Returns:
sentences: (list) a list of available sentences.
"""
if not caller:
return
# Get current dialogue.
dlg = self.get_dialogue(current_dialogue)
if not dlg:
return
sentences = []
try:
# If has next sentence, use next sentence.
sentences.append(dlg["sentences"][current_sentence + 1])
except Exception as e:
# Else get next dialogues.
for dlg_key in dlg["nexts"]:
# Get next dialogue.
next_dlg = self.get_dialogue(dlg_key)
if not next_dlg:
continue
if not next_dlg["sentences"]:
continue
if not STATEMENT_HANDLER.match_condition(
next_dlg["condition"], caller, npc):
continue
for dep in next_dlg["dependencies"]:
status = QUEST_STATUS_SET.get(dep["type"])
if not status.match(caller, dep["quest"]):
continue
sentences.append(next_dlg["sentences"][0])
return self.create_output_sentences(sentences, caller, npc)
def can_loot(self, looter, obj):
"""
help function to decide which objects can be looted.
"""
rand = random.random()
if obj["odds"] < rand:
return False
if obj["quest"]:
if not looter.quest_handler.is_not_accomplished(obj["quest"]):
return False
if not STATEMENT_HANDLER.match_condition(obj["condition"], looter, self.owner):
return False
return True
def at_character_kill(self, killers):
"""
Called when a character kills others.
This event is set on the character who is killed, and take effect on the killer!
"""
if defines.EVENT_TRIGGER_KILL in self.events:
for event in self.events[defines.EVENT_TRIGGER_KILL]:
# If has kill event.
for killer in killers:
if self.can_bypass(killer):
continue
if STATEMENT_HANDLER.match_condition(event["condition"], killer, self.owner):
function = self.get_function(event["type"])
if function:
function(event, killer)
def can_loot(self, looter, obj):
"""
help function to decide which objects can be looted.
"""
rand = random.random()
if obj["odds"] < rand:
return False
if obj["quest"]:
if not looter.quest_handler.is_not_accomplished(obj["quest"]):
return False
if not STATEMENT_HANDLER.match_condition(obj["condition"], looter,
self.owner):
return False
return True
def get_next_sentences(self, caller, npc, current_dialogue, current_sentence):
"""
Get current sentence's next sentences.
Args:
caller: (object) the character who want to start a talk.
npc: (object) the NPC that the character want to talk to.
dialogue: (string) the key of the currrent dialogue.
sentence: (int) the number of current sentence.
Returns:
sentences: (list) a list of available sentences.
"""
if not caller:
return
# Get current dialogue.
dlg = self.get_dialogue(current_dialogue)
if not dlg:
return
sentences = []
try:
# If has next sentence, use next sentence.
sentences.append(dlg["sentences"][current_sentence + 1])
except Exception, e:
# Else get next dialogues.
for dlg_key in dlg["nexts"]:
# Get next dialogue.
next_dlg = self.get_dialogue(dlg_key)
if not next_dlg:
continue
if not next_dlg["sentences"]:
continue
if not STATEMENT_HANDLER.match_condition(next_dlg["condition"], caller, npc):
continue
for dep in next_dlg["dependencies"]:
status = QUEST_STATUS_SET.get(dep["type"])
if not status.match(caller, dep["quest"]):
continue
sentences.append(next_dlg["sentences"][0])
def at_character_move_in(self, character):
"""
Called when a character moves in the event handler's owner, usually a room.
"""
if not character:
return
if self.can_bypass(character):
return
if defines.EVENT_TRIGGER_ARRIVE in self.events:
for event in self.events[defines.EVENT_TRIGGER_ARRIVE]:
# If has arrive event.
if STATEMENT_HANDLER.match_condition(event["condition"], character, self.owner):
# If matches the condition.
function = self.get_function(event["type"])
if function:
function(event, character)
def get_available_commands(self, caller):
"""
This returns a list of available commands.
"args" must be a string without ' and ", usually it is self.dbref.
"""
if caller.is_exit_unlocked(self.get_data_key()):
# If is unlocked, use common commands.
return super(MudderyLockedExit, self).get_available_commands(caller)
cmds = []
can_unlock = STATEMENT_HANDLER.match_condition(self.unlock_condition, caller, self)
if can_unlock:
# show unlock command
verb = self.unlock_verb
if not verb:
verb = _("Unlock")
cmds = [{"name": verb, "cmd": "unlock", "args": self.dbref}]
return cmds
def get_available_commands(self, caller):
"""
This returns a list of available commands.
"args" must be a string without ' and ", usually it is self.dbref.
"""
if caller.is_exit_unlocked(self.get_data_key()):
# If is unlocked, use common commands.
return super(MudderyLockedExit, self).get_available_commands(caller)
cmds = []
can_unlock = STATEMENT_HANDLER.match_condition(self.unlock_condition, caller, self)
if can_unlock:
# show unlock command
verb = self.unlock_verb
if not verb:
verb = LS("Unlock")
cmds = [{"name": verb, "cmd": "unlock", "args": self.dbref}]
return cmds
def at_character_die(self):
"""
Called when a character is killed.
"""
owner = self.owner
if not owner:
return
if self.can_bypass(owner):
return
if defines.EVENT_TRIGGER_DIE in self.events:
for event in self.events[defines.EVENT_TRIGGER_DIE]:
#If has die event.
if STATEMENT_HANDLER.match_condition(event["condition"], owner, None):
# If matches the condition, run event on the owner.
function = self.get_function(event["type"])
if function:
function(event, self)
def match_condition(self, quest_key):
"""
Check if the quest matches its condition.
Args:
quest_key: (string) quest's key
Returns:
(boolean) result
"""
# Get quest's record.
model_name = TYPECLASS("QUEST").model_name
if not model_name:
return False
model_quest = apps.get_model(settings.WORLD_DATA_APP, model_name)
try:
record = model_quest.objects.get(key=quest_key)
return STATEMENT_HANDLER.match_condition(record.condition, self.owner, None)
except Exception, e:
logger.log_errmsg("Can't get quest %s's condition: %s" % (quest_key, e))
def at_action(self, character, obj):
"""
Called when a character act to an object.
"""
if not character:
return True
if self.can_bypass(character):
return True
triggered = False
if defines.EVENT_TRIGGER_ACTION in self.events:
for event in self.events[defines.EVENT_TRIGGER_ACTION]:
# If has traverse event.
if STATEMENT_HANDLER.match_condition(event["condition"], character, self.owner):
# If matches the condition.
triggered = True
function = self.get_function(event["type"])
if function:
function(event, character)
return not triggered
def trigger(self, event_type, character, obj):
"""
Trigger an event.
Args:
event_type: (string) event's type.
character: (object) the character who trigger this event.
obj: (object) the event object.
Return:
triggered: (boolean) if an event is triggered.
"""
if not character:
return False
if self.can_bypass(character):
return False
if event_type not in self.events:
return False
# Get all event's of this type.
event_list = self.events[event_type]
candidates = [
e for e in event_list
if not character.is_event_closed(e["key"]) and
STATEMENT_HANDLER.match_condition(e["condition"], character, obj)
]
rand = random.random()
for event in candidates:
if rand < event["odds"]:
func = EVENT_ACTION_SET.func(event["action"])
if func:
func(event["key"], character, obj)
return True
rand -= event["odds"]
def at_character_traverse(self, character):
"""
Called before a character traverses an exit.
If returns true, the character can pass the exit, else the character can not pass the exit.
"""
if not character:
return True
if self.can_bypass(character):
return True
triggered = False
if defines.EVENT_TRIGGER_TRAVERSE in self.events:
for event in self.events[defines.EVENT_TRIGGER_TRAVERSE]:
# If has traverse event.
if STATEMENT_HANDLER.match_condition(event["condition"], character, self.owner):
# If matches the condition.
triggered = True
function = self.get_function(event["type"])
if function:
function(event, character)
return not triggered
def match_condition(self, quest_key):
"""
Check if the quest matches its condition.
Args:
quest_key: (string) quest's key
Returns:
(boolean) result
"""
# Get quest's record.
model_name = TYPECLASS("QUEST").model_name
if not model_name:
return False
model_quest = apps.get_model(settings.WORLD_DATA_APP, model_name)
try:
record = model_quest.objects.get(key=quest_key)
return STATEMENT_HANDLER.match_condition(record.condition,
self.owner, None)
except Exception, e:
logger.log_errmsg("Can't get quest %s's condition: %s" %
(quest_key, e))
def trigger(self, event_type, character, target):
"""
Trigger an event.
Return:
triggered: (boolean) if an event is triggered.
"""
if not character:
return False
if self.can_bypass(character):
return False
if event_type not in self.events:
return False
for event in self.events[event_type]:
# Check condition.
if STATEMENT_HANDLER.match_condition(event["condition"], character,
target):
function = EVENT_ACTION_SET.get(event["type"])
if function:
function(event, character)
def trigger(self, event_type, character, obj):
"""
Trigger an event.
Args:
event_type: (string) event's type.
character: (object) the character who trigger this event.
obj: (object) the event object.
Return:
triggered: (boolean) if an event is triggered.
"""
if not character:
return False
if self.can_bypass(character):
return False
if event_type not in self.events:
return False
# Get all event's of this type.
event_list = self.events[event_type]
candidates = [e for e in event_list
if not character.is_event_closed(e["key"]) and
STATEMENT_HANDLER.match_condition(e["condition"], character, obj)]
rand = random.random()
for event in candidates:
if rand < event["odds"]:
func = EVENT_ACTION_SET.func(event["action"])
if func:
func(event["key"], character, obj)
return True
rand -= event["odds"]
def can_unlock(self, caller):
"""
Unlock an exit.
"""
# Only can unlock exits which match there conditions.
return STATEMENT_HANDLER.match_condition(self.unlock_condition, caller, self)
