def load(self, worldobject):
self.source = worldobject
if not app.version_at_least(self.source.META["app-version"]):
raise error.VersionError(app.VERSION, self.source.META["app-version"])
data = self.source.WORLD
data = data.replace("\t", "")
# Filter out comments
data = core_regex["comment"].sub("", data)
# Parse globals
globals, objects = data.split("---")
for match in core_regex["var"].finditer(globals):
var, value = match.groups()
self.vars[var] = value
objects_with_params = list()
# Parse and create objects
# Stage 1: create objects
for type, id, name, description, params in core_regex["constructor"].findall(objects):
if not type in primitives.registry:
# FIXME
print "Error: Invalid type specified for object."
newobject = primitives.get(type)(name, description)
macro = parse_macros(newobject, description)
if macro:
newobject.get_description = macro
if params:
objects_with_params.append((newobject, params))
self.objects[id] = newobject
# Stage 2: set up objects that have additional parameters
for object, params in objects_with_params:
for param in constructor_param_regex["param"].findall(params):
if isinstance(object, primitives.get("ROOM")):
match = constructor_param_regex["exit"].match(param)
if match:
direction, destinationid = match.groups()
object.add_exit(direction, self.get_object(destinationid))
match = constructor_param_regex["var"].match(param)
if match:
var, value = match.groups()
# We will use magic to match an (objectid) specifier, a list of (objectid)s, or a python expression.
objectmatch = core_regex["object"].match(value)
if objectmatch:
object.vars[var] = self.get_object(objectmatch.groups()[0])
elif core_regex["object_list_pattern"].match(value):
object.vars[var] = [
self.get_object(objectmatch.groups()[0])
for objectmatch in core_regex["object"].finditer(value)
]
else:
# Otherwise, evaluate a python expression.
object.vars[var] = eval(value, vars(self.source))
match = constructor_param_regex["message"].match(param)
if match:
name, message = match.groups()
macro = parse_macros(object, message)
if macro:
object.messages[name] = macro
else:
object.messages[name] = message
match = constructor_param_regex["object"].match(param)
if match:
objectid = match.groups()[0]
self.get_object(objectid).move_to(object)
# Allow objects to set themselves up after they have been initialized.
for object in self.objects.itervalues():
if hasattr(object, "post_init"):
object.post_init()
self.protagonist = self.get_object(self.vars["PROTAGONIST"])
self.protagonist.move_to(self.get_object(self.vars["START"]))
def create(*args):
self.objects[id] = primitives.get(type)(*args)
return self.objects[id]
