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narration.py
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narration.py
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import tonkadur
class Narration:
NOT_STARTED = -1
WANTS_INT = 0
WANTS_STR = 1
WANTS_USER_CHOICE = 2
IS_RUNNING = 3
HAS_ENDED = 4
id_generator = 0
free_ids = []
def __init__ (self, story_file, initiator_name, initiator_id):
self.status = Narration.NOT_STARTED
self.state = tonkadur.Tonkadur(
story_file.filename,
initiator_name,
initiator_id
)
self.is_paused = False
self.initiator_name = initiator_name
self.initiator_id = initiator_id
self.next_input_min = 0
self.next_input_max = 0
self.text_options = []
self.event_options = []
self.output = ""
self.previous_output = ""
self.story_file = story_file
self.last_post_id = None
if (len(Narration.free_ids) > 0):
self.id = Narration.free_ids[0]
del Narration.free_ids[0]
else:
self.id = Narration.id_generator
Narration.id_generator += 1
def get_id (self):
return self.id
def get_initiator_name (self):
return self.initiator_name
def get_initiator_id (self):
return self.initiator_id
def reset_next_input (self):
self.next_input_type = None
self.next_input_min = 0
self.next_input_max = 0
self.text_options = []
self.event_options = []
def handle_int_input (self, text, actor_name, actor_id):
user_input = int(text)
if (
(user_input >= self.next_input_min)
and (user_input <= self.next_input_max)
):
self.state.store_integer(user_input, actor_name, actor_id)
self.status = Narration.IS_RUNNING
self.run(actor_name, actor_id)
else:
self.display_string(
"Integer should be within ["
+ str(self.next_input_min)
+ ", "
+ str(self.next_input_max)
+ "] range."
)
def handle_str_input (self, text, actor_name, actor_id):
if (
(len(text) >= self.next_input_min)
and (len(text) <= self.next_input_max)
):
self.status = Narration.IS_RUNNING
self.state.store_string(text, actor_name, actor_id)
self.run(actor_name, actor_id)
else:
self.display_string(
"String size should be within ["
+ str(self.next_input_min)
+ ", "
+ str(self.next_input_max)
+ "] range."
)
def finalize (self):
Narration.free_ids.append(self.id)
def handle_option_input (self, text, actor_name, actor_id):
user_input = int(text)
if (user_input < 0) or (user_input >= len(self.text_options)):
self.display_string(
"Invalid choice. Number between 0 and "
+ str(len(self.text_options) -1)
+ " expected."
)
return
self.status = Narration.IS_RUNNING
self.state.resolve_choice_to(self.text_options[user_input], actor_name, actor_id)
self.run(actor_name, actor_id)
def handle_answer (self, text, actor_name, actor_id):
if self.status == Narration.NOT_STARTED:
self.run(actor_name, actor_id)
elif self.status == Narration.WANTS_INT:
self.handle_int_input(text, actor_name, actor_id)
elif self.status == Narration.WANTS_STR:
return self.handle_str_input(text, actor_name, actor_id)
elif self.status == Narration.WANTS_USER_CHOICE:
return self.handle_option_input(text, actor_name, actor_id)
else:
self.display_string("No input expected at this point.")
def handle_event_input (self, event_name, event_data, actor_name, actor_id):
if not (self.status == Narration.WANTS_USER_CHOICE):
print(
"[W] Ignoring event \""
+ str(event_name)
+ "\" from "
+ str(actor_name)
+ " ("
+ str(actor_id)
+ "): not expecting a player choice."
)
return
#for (expected_event_name, expected_event_data, option_id) in self.event_options:
# if (
# (expected_event_name == event_name)
# and (expected_event_data == event_data)
# ):
# TODO: Event support.
def text_to_string (text):
str_content = ""
if (not (text['effect'] is None)):
str_content += "{(" + str(text['effect']) + ") "
for c in text['content']:
if (isinstance(c, str)):
str_content += c
else:
str_content += Narration.text_to_string(c)
if (not (text['effect'] is None)):
str_content += "}"
return str_content
def display_text (self, text):
self.display_string(Narration.text_to_string(text))
def display_string (self, string):
self.output += string
def pop_output_string (self):
self.previous_output = self.output
self.output = ""
return self.previous_output
def get_previous_output (self):
return self.previous_output
def get_is_paused (self):
return self.is_paused
def toggle_is_paused (self):
self.is_paused = not self.is_paused
if (self.is_paused):
self.last_post_id = None
def get_story_file (self):
return self.story_file
def get_last_post_id (self):
return self.last_post_id
def set_last_post_id (self, post_id):
self.last_post_id = post_id
def has_output (self):
return (len(self.output) > 0)
def has_ended (self):
return (self.status == Narration.HAS_ENDED)
def run (self, actor_name, actor_id):
result = self.state.run(actor_name, actor_id)
result_category = result['category']
if (self.status == Narration.NOT_STARTED):
self.status = Narration.IS_RUNNING
if (result_category == "end"):
self.status = Narration.HAS_ENDED
elif (result_category == "display"):
self.display_text(result['content'])
self.run(actor_name, actor_id)
elif (result_category == "prompt_integer"):
self.reset_next_input()
self.status = Narration.WANTS_INT
self.next_input_min = result['min']
self.next_input_max = result['max']
self.display_text(result['label'])
self.display_string(
"\n(an integer between "
+ str(result['min'])
+ " and "
+ str(result['max'])
+ " is expected)\n"
)
elif (result_category == "prompt_string"):
self.reset_next_input()
self.status = Narration.WANTS_STR
self.next_input_min = result['min']
self.next_input_max = result['max']
self.display_text(result['label'])
self.display_string(
"\n(a string of size between "
+ str(result['min'])
+ " and "
+ str(result['max'])
+ " is expected)\n"
)
elif (result_category == "assert"):
print(
"Assert failed at line "
+ str(result['line'])
+ ":"
+ str(result['message'])
)
print(str(state.memory))
self.display_string(
"\nAssert failed at line "
+ str(result['line'])
+ ": "
)
self.display_text(result['message'])
self.display_string(
"\nState of memory:\n"
+ str(state.memory)
)
self.run(actor_name, actor_id)
elif (result_category == "resolve_choice"):
self.reset_next_input()
self.status = Narration.WANTS_USER_CHOICE
current_choice = 0
self.display_string("\n")
for choice in result['options']:
if (choice["category"] == "text_option"):
self.display_string(str(current_choice) + ": ")
self.display_text(choice['label'])
self.display_string("\n")
self.text_options.append(current_choice);
else:
# TODO: handle events.
self.event_options.append(current_choice)
current_choice += 1