def test_get_part_of_speech(self):
dictionary = Dictionary()
filedir = os.path.dirname(os.path.realpath('__file__'))
filename = os.path.join(filedir, "tests/dictionary.json")
dictionary.load_words(filename)
pos = dictionary.get_part_of_speech("torch")
self.assertEqual(pos, "noun")
def test_lexer(self):
dictionary = Dictionary()
filedir = os.path.dirname(os.path.realpath('__file__'))
filename = os.path.join(filedir, "tests/dictionary.json")
dictionary.load_words(filename)
parser = Parser(dictionary)
src = "take the torch from the table"
tokens = parser.lexer(src)
self.assertEqual(len(tokens), 6)
def test_words(self):
dictionary = Dictionary()
filedir = os.path.dirname(os.path.realpath('__file__'))
filename = os.path.join(filedir, "tests/dictionary.json")
dictionary.load_words(filename)
words = dictionary.words
self.assertTrue(len(words), 16)
def test_parser_with_adjectives_wrong(self):
dictionary = Dictionary()
filedir = os.path.dirname(os.path.realpath('__file__'))
filename = os.path.join(filedir, "tests/dictionary.json")
dictionary.load_words(filename)
parser = Parser(dictionary)
src = "take the key rusty from the table"
tree = parser.parse(src)
self.assertFalse(tree)
def test_verb(self):
dictionary = Dictionary()
filedir = os.path.dirname(os.path.realpath('__file__'))
filename = os.path.join(filedir, "tests/dictionary.json")
dictionary.load_words(filename)
parser = Parser(dictionary)
src = "move"
tree = parser.parse(src)
self.assertTrue(tree)
self.assertEqual(tree.verb.verb.word, "move")
def test_parser_with_adjectives(self):
dictionary = Dictionary()
filedir = os.path.dirname(os.path.realpath('__file__'))
filename = os.path.join(filedir, "tests/dictionary.json")
dictionary.load_words(filename)
parser = Parser(dictionary)
src = "take the rusty key from the table"
tree = parser.parse(src)
self.assertTrue(tree)
self.assertTrue(tree.noun_phrase)
self.assertEqual(tree.noun_phrase.modifier.adjective.word, "rusty")
def test_parser_phrasal_verb(self):
dictionary = Dictionary()
filedir = os.path.dirname(os.path.realpath('__file__'))
filename = os.path.join(filedir, "tests/dictionary.json")
dictionary.load_words(filename)
parser = Parser(dictionary)
src = "pick up the torch"
tree = parser.parse(src)
self.assertTrue(tree)
self.assertEqual(tree.verb.verb.word, "pick up")
self.assertEqual(tree.noun_phrase.noun.word, "torch")
def test_parser_complex(self):
dictionary = Dictionary()
filedir = os.path.dirname(os.path.realpath('__file__'))
filename = os.path.join(filedir, "tests/dictionary.json")
dictionary.load_words(filename)
parser = Parser(dictionary)
src = "take the torch from the table"
tree = parser.parse(src)
self.assertTrue(tree)
self.assertTrue(tree.prep_phrase)
self.assertEqual(tree.prep_phrase.prep.prep.word, "from")
self.assertEqual(tree.prep_phrase.noun_phrase.noun.word, "table")
def test_visitor_simple(self):
dictionary = Dictionary()
filedir = os.path.dirname(os.path.realpath('__file__'))
filename = os.path.join(filedir, "tests/dictionary.json")
dictionary.load_words(filename)
parser = Parser(dictionary)
src = "move"
tree = parser.parse(src)
visitor = Visitor()
command = tree.accept(visitor)
self.assertTrue(command)
self.assertEqual(command["verb"], "move")
def test_parser_with_adverb(self):
dictionary = Dictionary()
filedir = os.path.dirname(os.path.realpath('__file__'))
filename = os.path.join(filedir, "tests/dictionary.json")
dictionary.load_words(filename)
parser = Parser(dictionary)
src = "move north"
tree = parser.parse(src)
self.assertTrue(tree)
self.assertTrue(isinstance(tree, VerbPhrase))
self.assertTrue(isinstance(tree.verb.verb.word, str))
self.assertTrue(tree.verb.verb.word, "move")
self.assertTrue(tree.adverb_phrase.adverb.word, "north")
def test_parser_simple(self):
dictionary = Dictionary()
filedir = os.path.dirname(os.path.realpath('__file__'))
filename = os.path.join(filedir, "tests/dictionary.json")
dictionary.load_words(filename)
parser = Parser(dictionary)
src = "take the torch"
tree = parser.parse(src)
self.assertTrue(tree)
self.assertTrue(isinstance(tree, VerbPhrase))
self.assertTrue(isinstance(tree.verb.verb.word, str))
self.assertTrue(tree.verb.verb.word, "take")
self.assertTrue(tree.noun_phrase.noun.word, "torch")
def test_parser_phrasal_verb_complex(self):
dictionary = Dictionary()
filedir = os.path.dirname(os.path.realpath('__file__'))
filename = os.path.join(filedir, "tests/dictionary.json")
dictionary.load_words(filename)
parser = Parser(dictionary)
src = "pick up the rusty key from the table"
tree = parser.parse(src)
self.assertTrue(tree)
self.assertEqual(tree.verb.verb.word, "pick up")
self.assertEqual(tree.noun_phrase.modifier.adjective.word, "rusty")
self.assertEqual(tree.noun_phrase.noun_phrase.noun.word, "key")
self.assertEqual(tree.prep_phrase.prep.prep.word, "from")
self.assertEqual(tree.prep_phrase.noun_phrase.noun.word, "table")
def test_load_words(self):
dictionary = Dictionary()
filedir = os.path.dirname(os.path.realpath('__file__'))
filename = os.path.join(filedir, "tests/dictionary.json")
try:
dictionary.load_words(filename)
except Exception as e:
self.assertTrue(False)
self.assertTrue(len(dictionary.verbs), 3)
self.assertTrue(len(dictionary.nouns), 3)
self.assertTrue(len(dictionary.adverbs), 4)
self.assertTrue(len(dictionary.prepositions), 3)
self.assertTrue(len(dictionary.adjectives), 1)
self.assertTrue(len(dictionary.articles), 3)
class Engine:
def __init__(self):
self._id = 0
self.playing = False
self.moved = True
self.enemy = None
self.npc = None
self.combatants = None
self.explore_actions = {
"move": self.move,
"take": self.take,
"look": self.look,
"search": self.search,
"unlock": self.unlock,
"throw": self.throw,
"drop": self.drop,
"examine": self.examine,
"trade": self.trade,
"sleep": self.sleep,
"speak": self.speak,
"use": self.use,
"consume": self.use,
"equip": self.equip,
"unequip": self.unequip,
"mine": self.use
}
def init_crafting_systems(self):
filedir = os.path.dirname(os.path.realpath('__file__'))
filename = os.path.join(filedir, "resources/crafting.json")
systems = []
with open(filename) as f:
data = json.load(f)
for system in data:
systems.append(CraftingSystem(self.event_queue, **system))
self.crafting_systems = systems
def init_systems(self):
self.dictionary = Dictionary()
self.input_handler = InputHandler(self.dictionary)
self.mob_factory = MobFactory()
self.renderer = Renderer()
self.event_queue = EventQueue()
self.event_queue.register_system(self)
self.message_log = MessageLog(self.event_queue)
self.combat_system = CombatSystem(self.event_queue)
self.init_crafting_systems()
def init_game_data(self):
self.world_map = WorldMap()
# load rooms
filedir = os.path.dirname(os.path.realpath('__file__'))
filename = os.path.join(filedir, "resources/rooms.json")
self.world_map.load_rooms(filename)
# load cutscenes
filedir = os.path.dirname(os.path.realpath('__file__'))
filename = os.path.join(filedir, "resources/cutscenes.json")
self.world_map.load_cutscenes(filename)
# load items
filedir = os.path.dirname(os.path.realpath('__file__'))
filename = os.path.join(filedir, "resources/items.json")
self.world_map.load_items(filename)
#load mobs
filedir = os.path.dirname(os.path.realpath('__file__'))
filename = os.path.join(filedir, "resources/enemies.json")
self.world_map.load_mobs(filename)
# load npcs
filedir = os.path.dirname(os.path.realpath('__file__'))
filename = os.path.join(filedir, "resources/npcs.json")
self.world_map.load_npcs(filename)
# load quests
filedir = os.path.dirname(os.path.realpath('__file__'))
filename = os.path.join(filedir, "resources/quests.json")
self.world_map.load_quests(filename)
# load dictionary
filedir = os.path.dirname(os.path.realpath('__file__'))
filename = os.path.join(filedir, "resources/dictionary.json")
self.dictionary.load_words(filename)
def create_player(self):
filedir = os.path.dirname(os.path.realpath('__file__'))
filename = os.path.join(filedir, "resources/player.json")
with open(filename) as f:
data = json.load(f)
self.player = Player(**data)
def get_crafting_system(self, name):
"""Retreive the specified crafting system."""
for system in self.crafting_systems:
if system.name == name:
return system
def list_items(self, container):
"""Builds a string containing all items in a container."""
str = "{}{}{}"
for i, _id in enumerate(container):
item = self.world_map.items[_id]
if i == 0:
str = str.format(c.yellow, item.name, c.end)
continue
if i == len(container) - 1:
str = "{} and {}{}{}".format(str, c.yellow, item.name, c.end)
break
str = "{}, {}{}{}".format(str, c.yellow, item.name, c.end)
if str != "":
if len(container) > 1:
str = "You see the following items: {}".format(str)
else:
if str[0] == "a":
str = "You see an {}{}{}.".format(c.yellow, str, c.end)
else:
str = "You see a {}{}{}.".format(c.yellow, str, c.end)
self.event_queue.add_event({"message": str})
def check_object(self, object, container, flag=0):
"""Checks if the specified object is in the passed container.
flag = 0 represents an inanimate container (room or item), whereas
flag = 1 represents an animate container (NPC).
"""
if flag == 0:
for _id in container:
item = self.world_map.items[_id]
if item.name.lower() == object:
return item
elif flag == 1:
names = [
self.world_map.npcs[npc].name.lower() for npc in container
]
if object in ["man", "woman"]:
object = names[0]
if object in names:
for _id in container:
npc = self.world_map.npcs[_id]
if npc.name.lower() == object:
return npc
else:
return False
def transition(self, from_id, to_id):
"""Represents the transition between moving from room A to room B."""
from_room = self.world_map.get_room_at(from_id)
to_room = self.world_map.get_room_at(to_id)
self.moved = True
self.world_map._id = to_id
if not to_room.safe:
if randrange(1, 100) < to_room.fight_chance:
self.state = State.PRE_BATTLE
mob_index = choice(to_room.mobs)
mob_data = self.world_map.mobs[mob_index]
mob = self.mob_factory.spawn(**mob_data)
self.enemy = mob
self.combatants = sorted([self.player, self.enemy],
key=lambda entity: entity.speed)[::-1]
return
if to_room.tryattr("cutscene"):
if to_room.cutscene == self.world_map.cutscene_id:
for line in self.world_map.cutscenes[to_room.cutscene]["text"]:
self.event_queue.add_event({"message": line})
self.world_map.cutscene_id += 1
self.state = State.CUTSCENE
return
def move_player(self, action):
"""Moves the player in the direction specified if an exit exists."""
exits = self.world_map.get_current_exits()
index = self.world_map.directions.index(action["adverb"])
if exits[index] != -1:
self.transition(self.world_map._id, exits[index])
else:
msg = "There's no way out that way."
self.event_queue.add_event({"message": msg})
def move_item(self, action):
"""Passes to the 'use' method to call the 'move' script on an item."""
self.use(action)
def move(self, action):
"""Handles the two 'move' commands."""
if (action["adverb"] in self.world_map.directions
and not action["noun_phrase"]):
self.move_player(action)
else:
self.move_item(action)
def take(self, action):
"""Moves the specified item into the player's inventory."""
items = [self.world_map.get_items_in_room()]
object = action["noun_phrase"]
prep = None
indir_obj = None
if action["prep_phrase"]:
prep = action["prep_phrase"]["prep"]
indir_obj = action["prep_phrase"]["noun_phrase"]
if not object:
self.event_queue.add_event({"message": "I don't understand that!"})
return
if indir_obj:
switched = False
item = self.check_object(indir_obj, items[0], flag=0)
if item:
if not item.locked:
items[0] = item.container
switched = True
if item.locked:
self.event_queue.add_event({"message": "That's locked!"})
return
if not switched:
msg = "{}{}{} isn't here.".format(c.yellow, indir_obj, c.end)
self.event_queue.add_event({"message": msg})
else:
for _id in items[0]:
if self.world_map.items[_id].tryattr("container"):
if (self.world_map.items[_id].container
and self.world_map.items[_id].searched):
items.append(self.world_map.items[_id].container)
taken = False
attempted = False
for container in items:
item = self.check_object(object, container, flag=0)
if item:
if item.takeable:
if indir_obj:
msg = ("You take the {}{}{} from the {}{}{}.".format(
c.yellow, item.name, c.end, c.yellow, indir_obj,
c.end))
self.event_queue.add_event({"message": msg})
else:
msg = ("You take the {}{}{}.".format(
c.yellow, item.name, c.end))
self.event_queue.add_event({"message": msg})
self.player.container.append(item._id)
container.remove(item._id)
taken = True
elif not item.takeable:
attempted = True
msg = "You're quite strong, but even you can't lift that..."
self.event_queue.add_event({"message": msg})
if not taken and not attempted:
msg = "{}{}{} isn't here.".format(c.yellow, object, c.end)
self.event_queue.add_event({"message": msg})
if taken:
self.event_queue.add_event({"taken": item})
def look_direction(self, action):
"""Reveals the description of the room in the specified direction."""
exits = self.world_map.get_current_exits()
index = self.world_map.directions.index(action["adverb"])
if exits[index] == -1:
msg = "You can't see anything of interest in that direction."
self.event_queue.add_event({"message": msg})
else:
look_room = self.world_map.rooms[exits[index]]
direction = action["adverb"]
msg = ("You look {}{}{} and see the {}{}{}.".format(
c.blue, direction, c.end, c.blue, look_room.name.title(),
c.end))
self.event_queue.add_event({"message": msg})
def look_room(self, action):
"""Reveals items in, and extra info about, the current room."""
ids = self.world_map.get_items_in_room()
room = self.world_map.get_current_room()
self.event_queue.add_event({"message": room.long_desc})
if not ids:
msg = "There's nothing of interest here..."
self.event_queue.add_event({"message": msg})
else:
self.list_items(ids)
def look(self, action):
"""Handles the two 'look' commands."""
if action["adverb"] is not None:
self.look_direction(action)
else:
self.look_room(action)
def search(self, action):
"""Reveals any items stored within another object."""
ids = self.world_map.get_items_in_room()
object = action["noun_phrase"]
item = self.check_object(object, ids, flag=0)
if not item:
msg = "You can't search something that's not here..."
self.event_queue.add_event({"message": msg})
return
if item.tryattr("in_sight"):
if item.in_sight:
if item.container:
self.list_items(item.container)
item.searched = True
else:
msg = "There's nothing here..."
self.event_queue.add_event({"message": msg})
else:
if item.tryattr("locked"):
if item.locked:
msg = "You can't see inside that."
self.event_queue.add_event({"message": msg})
else:
if item.container:
self.list_items(item.container)
item.searched = True
else:
msg = "There's nothing here..."
self.event_queue.add_event({"message": msg})
def unlock(self, action):
"""Unlocks a locked object if the player has the right key."""
object = action["noun_phrase"]
unlocked = False
items = self.world_map.get_items_in_room()
item = self.check_object(object, items, flag=0)
if item.tryattr("locked"):
for _item in self.player.container:
if item.locked_id == _item:
item.locked = False
self.player.container.remove(_item)
msg = "You unlocked the {}.".format(item.name)
self.event_queue.add_event({"message": msg})
unlocked = True
if not unlocked:
msg = "You don't have the right key for that..."
self.event_queue.add_event({"message": msg})
def collide(self, item_1, item_2, flag=0):
"""Represents the collision between two objects.
flag = 0 means the target object is inanimate, flag = 1 means the player
has thrown something at an NPC.
"""
hit = randrange(1, 100) < 70
if not hit:
self.event_queue.add_event({
"message":
"You throw the {}{}{} but it misses!".format(
c.yellow, item_1.name, c.end)
})
else:
if flag == 0:
msg = ("You throw the {}{}{} at the {}{}{}.".format(
c.yellow, item_1.name, c.end, c.yellow, item_2.name,
c.end))
self.event_queue.add_event({"message": msg})
if item_2.breakable:
msg = (
"The {}{}{} strikes the {}{}{} and breaks it!".format(
c.yellow, item_1.name, c.end, c.yellow,
item_2.name, c.end))
self.event_queue.add_event({"message": msg})
if item_2.tryattr("container"):
room = self.world_map.get_current_room()
room.container += item_2.container
msg = ("The {}{}{} spills its contents onto the floor."
.format(c.yellow, item_2.name, c.end))
self.event_queue.add_event({"message": msg})
room.container.remove(item_2._id)
elif flag == 1:
msg = "Ow! Why'd you throw the {} at me???".format(item_1.name)
self.event_queue.add_event({"message": msg})
self.state = State.DIALOG
self.npc = item_2
self.player.container.remove(item_1._id)
self.world_map.get_current_room().container.append(item_1._id)
def throw(self, action):
"""Throw the specified item at another object."""
object = action["noun_phrase"]
prep = None
indir_obj = None
items = self.world_map.get_items_in_room()
npcs = self.world_map.get_npcs_in_room()
if action["prep_phrase"]:
prep = action["prep_phrase"]["prep"]
indir_obj = action["prep_phrase"]["noun_phrase"]
if not object:
msg = "I don't understand that..."
self.event_queue.add_event({"message": msg})
return
if prep not in ["at"]:
msg = "You have to throw something AT something else."
self.event_queue.add_event({"message": msg})
return
if not indir_obj:
msg = "You have to throw an object at something."
self.event_queue.add_event({"message": msg})
return
item_2 = self.check_object(indir_obj, items)
item_1 = self.check_object(object, self.player.container)
if not item_1:
msg = "You don't have one of those to throw."
self.event_queue.add_event({"message": msg})
return
if not item_2:
item_2 = self.check_object(indir_obj, npcs, flag=1)
if not item_2:
msg = "You can't throw an object at something that isn't here!"
self.event_queue.add_event({"message": msg})
return
if item_2.tryattr("takeable"):
self.collide(item_1, item_2)
else:
self.collide(item_1, item_2, flag=1)
def drop(self, action):
"""Drop the specified item."""
items = self.world_map.get_items_in_room()
object = action["noun_phrase"]
prep = None
indir_obj = None
item = self.check_object(object, self.player.container)
if not item:
if object in self.dictionary.words:
msg = "You don't have one of those..."
self.event_queue.add_event({"message": msg})
return
else:
msg = "I don't understand that..."
self.event_queue.add_event({"message": msg})
return
put = False
if action["prep_phrase"]:
prep = action["prep_phrase"]["prep"]
indir_obj = action["prep_phrase"]["noun_phrase"]
if prep:
if prep in ["in", "on"]:
indir_obj = self.check_object(indir_obj, items)
indir_obj.container.append(item._id)
self.player.container.remove(item._id)
msg = ("You put the {}{}{} {} the {}{}{}".format(
c.yellow, item.name, c.end, prep, c.yellow, indir_obj.name,
c.end))
self.event_queue.add_event({"message": msg})
else:
msg = "That doesn't make sense..."
self.event_queue.add_event({"message": msg})
else:
room = self.world_map.get_current_room()
room.container.append(item._id)
self.player.container.remove(item._id)
msg = ("You drop the {}{}{}.".format(c.yellow, item.name, c.end))
self.event_queue.add_event({"message": msg})
def examine(self, action):
"""Retreive the specified item's long description."""
ids = self.world_map.get_items_in_room()
object = action["noun_phrase"]
item = None
# make sure there is an object to examine
if not object:
msg = "You need to examine SOMETHING."
self.event_queue.add_event({"message": msg})
return
# get item from room
if ids:
item = self.check_object(object, ids, flag=0)
# get item from the player
if not item:
item = self.check_object(object, self.player.container, flag=0)
# check player's equipped items
if not item:
all_slots = list(self.player.slots.values())
equipped_items = [i for i in all_slots if i is not None]
if equipped_items is not None:
for id in equipped_items:
item = self.world_map.items[id]
if item.name == object:
break
# get item from containers in the room
if not item:
room = self.world_map.get_current_room()
for _id in ids:
container = self.world_map.items[_id].container
if container:
item = self.check_object(object, container, flag=0)
if item:
break
if item:
self.event_queue.add_event({"message": item.long_desc})
else:
msg = "You can't examine the {} if it's not here...".format(object)
self.event_queue.add_event({"message": msg})
def trade(self, action):
pass
def rest(self, on_floor=True):
"""Simulates resting and heals the player based on the type of bed."""
for i in range(2):
self.event_queue.add_event({"message": "ZZZzzzz"})
if on_floor:
self.player.hp += int(self.player.max_hp / 10)
self.player.hp = min(self.player.hp, self.player.max_hp)
self.event_queue.add_event(
{"message": "You wake up feeling sore."})
elif not on_floor:
self.player.hp = self.player.max_hp
self.event_queue.add_event({"message": "You feel well rested."})
self.state = State.SLEEP
def sleep(self, action):
"""Allows the player to 'sleep', providing there is a suitable bed."""
prep_phrase = action.get("prep_phrase")
prep = None
object = None
room = self.world_map.get_current_room()
if prep_phrase:
prep = action.get("prep_phrase")["prep"]
object = action.get("prep_phrase")["noun_phrase"]
if prep != "on":
msg = "I don't understand that..."
self.event_queue.add_event({"message": msg})
return
item = self.check_object(object, room.container)
if item:
if item.tryattr("sleep"):
# can sleep on it
self.rest(on_floor=False)
else:
msg = "You can't sleep on that."
self.event_queue.add_event({"message": msg})
return
else:
if object == "floor":
self.rest(on_floor=True)
else:
msg = "You need to sleep ON something..."
self.event_queue.add_event({"message": msg})
def handle_quest(self, npc):
"""Starts or ends a quest with an NPC."""
quest = self.world_map.quests[npc.quest_id]
if quest.check_requirements(self.player):
if npc.quest_id in self.player.quests:
if quest.check_objective(self.player, self.event_queue):
for line in quest.outro:
self.event_queue.add_event({"message": line})
quest.on_completion(self.player, self.event_queue)
self.state = State.REWARD
else:
for line in quest.intro:
self.event_queue.add_event({"message": line})
self.event_queue.add_event({"message": "y/n?"})
def identify_npc(self, indir_obj, npcs):
"""Attempts to determine the NPC name when referred to indirectly."""
if indir_obj in ["man", "gentleman"]:
if self.world_map.npcs[npcs[0]].sex == 0:
return self.world_map.npcs[npcs[0]].name.lower()
else:
msg = "There isn't a man here..."
self.event_queue.add_event({"message": msg})
return
elif indir_obj in ["woman", "lady"]:
if self.world_map.npcs[npcs[0]].sex == 1:
return self.world_map.npcs[npcs[0]].name.lower()
else:
msg = "There isn't a woman here..."
self.event_queue.add_event({"message": msg})
return
def introduce_npc(self, npc):
"""Introduces an NPC for the first time."""
npc.known = True
msg = ("My name's {}. Nice to meet you, friend.".format(
npc.name.capitalize()))
self.event_queue.add_event({"message": msg})
self.event_queue.add_event({"meeting": npc})
def speak(self, action):
"""Begins dialog with an NPC, leading potentially to quest giving."""
npcs = self.world_map.get_npcs_in_room()
prep = None
indir_obj = None
if action["prep_phrase"]:
prep = action["prep_phrase"]["prep"]
indir_obj = action["prep_phrase"]["noun_phrase"]
if prep not in ["to", "with"]:
self.event_queue.add_event(
{"message": "That doesn't make sense..."})
msg = ("Do you mean \"{} to\" or \"{} with\"?".format(
action["verb"], action["verb"]))
self.event_queue.add_event({"message": msg})
return
indir_obj = self.identify_npc(indir_obj, npcs)
npc = self.check_object(indir_obj, npcs, flag=1)
if not npc:
names = [self.world_map.npcs[npc].name.lower() for npc in npcs]
if indir_obj in names:
msg = ("I'm sorry, but {}{}{} isn't here...".format(
c.green, indir_obj.capitalize(), c.end))
self.event_queue.add_event({"message": msg})
return
else:
if indir_obj[0] == "a":
msg = ("If you try talking to an {}{}{}, \
people will think you're mad.".format(
c.yellow, indir_obj, c.end))
self.event_queue.add_event({"message": msg})
return
else:
msg = ("If you try talking to a {}{}{}, \
people will think you're mad.".format(
c.yellow, indir_obj, c.end))
self.event_queue.add_event({"message": msg})
return
self.npc = npc
self.state = State.DIALOG
if not npc.known:
self.introduce_npc(npc)
else:
self.event_queue.add_event({"message": choice(s.GREETINGS)})
if npc.quest_id >= 0:
self.handle_quest(npc)
def use(self, action):
"""Activates an item's attached script."""
object = action.get("noun_phrase")
item = self.check_object(object, self.player.container)
room = self.world_map.get_current_room()
if not item:
item = self.check_object(object, room.container)
if not item:
msg = "That doesn't make sense..."
self.event_queue.add_event({"message": msg})
return
if item.takeable:
item = None
if item:
if item.tryattr("script"):
method_to_call = getattr(src.systems.scripts, item.script)
kwargs = {
"world_map": self.world_map,
"event_queue": self.event_queue,
"player": self.player,
"item": item
}
method_to_call(**kwargs)
else:
self.event_queue.add_event({"message": "You can't do that..."})
else:
self.event_queue.add_event({"message": "You can't do that..."})
def equip(self, action):
"""Equips the specified item into the relevant slot.
If there is already an item in the relevant slot, this will be
unequipped and placed into the player's inventory and the specified item
will be equipped.
"""
object = action.get("noun_phrase")
item = self.check_object(object, self.player.container)
if item:
if item.tryattr("slot"):
if not self.player.slots[item.slot]:
self.player.slots[item.slot] = item._id
elif self.player.slots[item.slot]:
self.player.container.append(self.player.slot[item.slot])
self.player.slots[item.slot] = item._id
msg = "You equip {}{}{}.".format(c.yellow, item.name, c.end)
self.event_queue.add_event({"message": msg})
self.player.container.remove(item._id)
else:
msg = "You can't equip that..."
self.event_queue.add_event({"message": msg})
else:
msg = "That doesn't make sense..."
self.event_queue.add_event({"message": msg})
def unequip(self, action):
"""Unequips the specified item from the relevant slot."""
object = action.get("noun_phrase")
items = [i for i in list(self.player.slots.values()) if i]
item = self.check_object(object, items)
if item:
if item.tryattr("slot"):
self.player.slots[item.slot] = None
self.player.container.append(item._id)
msg = ("You unequip the {}{}{}".format(c.yellow, item.name,
c.end))
self.event_queue.add_event({"message": msg})
else:
msg = "You haven't got that equipped."
self.event_queue.add_event({"message": msg})
def add_quest(self):
"""Adds a quest to the player's quest log."""
quest = self.world_map.quests[self.npc.quest_id]
self.player.quests.append(quest.id)
msg = ("You accepted {}{}{} quest.".format(c.green, quest.name.title(),
c.end))
self.event_queue.add_event({"message": msg})
def choose(self, action):
"""Presents the player the choice to accept or deny a quest."""
choice = action.get("choice")
if choice:
if choice == "yes":
self.add_quest()
self.progress_quests()
self.npc = None
self.state = State.EXPLORE
return
elif choice == "no":
self.state = State.EXPLORE
return
quest = self.world_map.quests[self.npc.quest_id]
if not quest.check_requirements(self.player):
self.npc = None
self.state = State.EXPLORE
def loot(self):
"""Moves from the loot state back to the explore state after a fight."""
self.moved = True
self.state = State.EXPLORE
def pre_fight(self):
"""Moves from the pre-fight state to the battle state."""
self.state = State.BATTLE
def game_over(self):
"""The player has died."""
self.playing = False
def save_data(self):
"""Saves the player, world and game state data."""
try:
with open("savegame.txt", "wb") as save_game:
data = (self.player, self.world_map, self.state)
pickle.dump(data, save_game)
self.event_queue.add_event({"message": "GAME SAVED."})
except Exception as e:
raise e
def load_data(self):
"""Loads the player, world and game state data."""
try:
with open("savegame.txt", "rb") as save_game:
data = pickle.load(save_game)
self.player = data[0]
self.world_map = data[1]
self.state = data[2]
except Exception as e:
raise e
def explore(self):
"""Reverts back to the explore state."""
self.state = State.EXPLORE
def do_action(self, action):
"""Executes the player's command when in the explore state."""
command = list(action.keys())[0]
if command == "verb":
verb = action.get("verb")
if verb:
self.explore_actions[verb](action)
elif command == "quit":
self.playing = False
elif command in ["stats", "stat"]:
self.state = State.CHAR_SCREEN
elif command in ["j", "log", "journal"]:
self.state = State.JOURNAL
elif command in ["inventory"]:
self.state = State.INVENTORY
elif command in ["save"]:
self.save_data()
def validate_move(self, move, known_moves):
"""Checks whether the specified move is in known_moves.
'move' is single character.
"""
if len(move) > 1:
return False
if ord(move) - 97 in known_moves:
return True
else:
return False
def fight(self, action):
"""Execute combatant moves for this round of combat."""
if action.get("command"):
move = action.get("command")
if self.validate_move(move, self.player.learnt_moves):
enemy_move = self.enemy.choose_move()
self.combatants = sorted([self.player, self.enemy],
key=lambda entity: entity.speed)[::-1]
# loop through combatants and conduct moves.
for combatant in self.combatants:
if isinstance(combatant, Player):
move_index = self.player.moves[ord(move) - 97]
event_params = (self.player, self.enemy, move_index)
self.event_queue.add_event({"attack": event_params})
continue
if isinstance(combatant, Mob):
event_params = (self.enemy, self.player, enemy_move)
self.event_queue.add_event({"attack": event_params})
continue
def level_up(self):
"""Level up the player."""
lvl = self.player.level
while self.player.xp >= self.player.next_xp:
self.player.xp -= self.player.next_xp
self.player.level += 1
self.player.next_xp = 110 * lvl + 50 * (lvl - 1)
msg = ("Congratulations! You advanced to {}level {}{}".format(
c.yellow, self.player.level, c.end))
self.event_queue.add_event({"message": msg})
def check_level_up(self):
"""Check whether the player has reached the next level."""
if self.player.xp >= self.player.next_xp:
return True
def xp_gain(self, event):
"""Gives xp to the player."""
xp = event.get("xp")
self.player.xp += xp
msg = "You gained {}{}{} xp.".format(c.yellow, xp, c.end)
self.event_queue.add_event({"message": msg})
if self.check_level_up():
return self.level_up()
def money_gain(self, event):
"""Gives money to the player."""
money = event.get("money")
self.player.wallet += money
msg = ("You received {}{}{} coins as a reward.".format(
c.yellow, money, c.end))
self.event_queue.add_event({"message": msg})
def on_enemy_death(self):
"""Handles enemy death. Gives xp and money, and drops items."""
room = self.world_map.get_current_room()
room.container += self.enemy.container
self.event_queue.inject({"xp": self.enemy.xp})
money = randrange(self.enemy.money[0], self.enemy.money[1])
self.player.wallet += money
if money == -1:
msg = (
"I'm not sure the {}{}{} is going to have any money on it...".
format(c.red, self.enemy.name, c.end))
self.event_queue.add_event({"message": msg})
elif money == 0:
msg = ("You loot the {}{}{} and find nothing!".format(
c.red, self.enemy.name, c.end))
self.event_queue.add_event({"message": msg})
elif money == 1:
msg = ("You loot the {}{}{} and find {}{}{} coin.".format(
c.red, self.enemy.name, c.end, c.yellow, money, c.end))
self.event_queue.add_event({"message": msg})
elif money > 1:
msg = ("You loot the {}{}{} and find {}{}{} coins.".format(
c.red, self.enemy.name, c.end, c.yellow, money, c.end))
self.event_queue.add_event({"message": msg})
def update_quests(self, message):
"""Moves a completed quest from current to completed list."""
id = message.get("quest")
self.player.quests.remove(id)
self.player.completed_quests.append(id)
def progress_quests(self, message):
"""Tracks the progress of active quests."""
entity = message.get("dead")
npc = message.get("meeting")
item = message.get("taken")
for id in self.player.quests:
quest = self.world_map.quests[id]
for objective in quest.objectives:
if objective["quest_type"] == "KILL" and entity:
if objective["target"] == entity._id:
objective["progress"] += 1
if objective["quest_type"] == "FIND" and npc:
if npc._id == objective["target"]:
objective["progress"] += 1
if objective["quest_type"] == "COLLECT" and item:
if item._id == objective["target"]:
objective["progress"] += 1
def reveal_exit(self, message):
"""Reveals hidden exits."""
exit_update = message.get("exit")
room = self.world_map.rooms[exit_update[0]]
room.exits[exit_update[1]] = exit_update[2]
msg = ("A new exit has been revealed in the {}{}{}.".format(
c.blue, room.name, c.end))
self.event_queue.add_event({"message": msg})
def learn_skill(self, message):
"""Learns a new skill."""
skill_info = message.get("skill")
player_skill = getattr(self.player, skill_info[0])
player_skill.append(skill_info[1])
system = self.get_crafting_system(skill_info[0])
skill_learnt = system.recipe_names[skill_info[1]]
msg = ("You have learnt how to make {}{}{}.".format(
c.yellow, skill_learnt, c.end))
self.event_queue.add_event({"message": msg})
def change_state(self, new_state):
"""Changes state as requested by an external object."""
self.state = new_state.get("state")
def start_game(self, action):
"""Starts up the game and determines whether to start anew or load."""
if action.get("command") == "new_game":
self.playing = True
elif action.get("command") == "load_game":
self.playing = True
self.load_data()
else:
pass
def smelt(self, action):
"""Begins the smelting crafting system."""
if action.get("command"):
if ord(action.get("command")) - 97 in self.player.smelting:
event_params = (action.get("command"), self.player)
self.event_queue.inject({"smelt": event_params})
else:
msg = "You haven't learnt that yet..."
self.event_queue.add_event({"message": msg})
else:
self.state = State.EXPLORE
def smith(self, action):
"""Begins the blacksmithing crafting system."""
if action.get("command"):
if ord(action.get("command")) - 97 in self.player.blacksmithing:
event_params = (action.get("command"), self.player)
self.event_queue.inject({"smith": event_params})
else:
self.state = State.EXPLORE
def brew(self, action):
"""Begins the brewing crafting system."""
if action.get("command"):
if ord(action.get("command")) - 97 in self.player.brewing:
event_params = (action.get("command"), self.player)
self.event_queue.inject({"brew": event_params})
else:
self.state = State.EXPLORE
def handle_input(self):
"""Handles input across all states."""
action = self.input_handler.prompt(self.state)
if isinstance(action, Exception):
self.event_queue.add_event({"message": str(action)})
return
if self.state == State.EXPLORE:
self.do_action(action)
elif self.state == State.BATTLE:
self.fight(action)
elif self.state == State.LOOT:
self.loot()
elif self.state == State.PRE_BATTLE:
self.pre_fight()
elif self.state == State.GAME_OVER:
self.game_over()
elif self.state == State.CHAR_SCREEN:
self.explore()
elif self.state == State.DIALOG:
self.choose(action)
elif self.state == State.REWARD:
self.explore()
elif self.state == State.JOURNAL:
self.explore()
elif self.state == State.INVENTORY:
self.explore()
elif self.state == State.SLEEP:
self.explore()
elif self.state == State.START:
self.start_game(action)
elif self.state == State.CUTSCENE:
self.explore()
elif self.state == State.FURNACE:
self.smelt(action)
elif self.state == State.ANVIL:
self.smith(action)
def update(self):
"""Updates the game engine and other systems each turn."""
self.combat_system.update(self.combatants)
self.world_map.update()
self.event_queue.processs_queue()
def draw(self):
"""Passes all relevant information to the renderer to be 'drawn'."""
self.renderer.draw(self.state,
player=self.player,
world=self.world_map,
messages=self.message_log.messages,
moved=self.moved,
enemy=self.enemy,
combat_system=self.combat_system,
npc=self.npc,
crafting_systems=self.crafting_systems)
self.message_log.clear()
def receive(self, message):
"""Handles the actioning of received events."""
if message.get("xp"):
self.xp_gain(message)
elif message.get("dead"):
if not isinstance(message.get("dead"), Player):
self.on_enemy_death()
self.progress_quests(message)
self.enemy = None
self.state = State.LOOT
elif message.get("meeting"):
self.progress_quests(message)
elif message.get("taken"):
self.progress_quests(message)
elif message.get("game over"):
self.state = State.GAME_OVER
elif message.get("money"):
self.money_gain(message)
elif list(message.keys())[0] == "quest":
self.update_quests(message)
elif message.get("exit"):
self.reveal_exit(message)
elif message.get("skill"):
self.learn_skill(message)
elif message.get("state"):
self.change_state(message)
def begin(self):
"""Begins the game and initalises/loads all systems and data."""
self.state = State.START
self.init_systems()
self.init_game_data()
self.create_player()
self.renderer.clear()
self.draw()
while (not self.playing):
self.handle_input()
if self.playing:
break
self.draw()
# check whether a save file has been loaded
if self.state == State.START:
self.transition(0, 0) # move into the game world.
def run(self):
"""The main game loop."""
self.begin()
self.update()
self.draw()
while (self.playing):
self.moved = False
self.handle_input()
self.update()
self.draw()
