183 lines
6.7 KiB
Python
183 lines
6.7 KiB
Python
"""
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Author: freezed <freezed@users.noreply.github.com> 2018-03-17
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Version: 0.1
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Licence: `GNU GPL v3` GNU GPL v3: http://www.gnu.org/licenses/
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This file is part of [_ocp3_ project](https://github.com/freezed/ocp3)
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"""
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import os
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import random
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from pygame.locals import K_UP, K_DOWN, K_RIGHT, K_LEFT
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from conf import elmt_val, ERR_MAP, MOVE_STATUS_MSG, MSG_START_GAME, MAZE_SIZE_TIL
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class Map:
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"""
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Provides a usable map from a text file
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Checks the map compatibility
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Moves the player to it
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"""
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def __init__(self, map_file):
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"""
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Initialise map
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The Map object has given attributes:
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:var int status: move status (what append after a move command)
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:var str status_message: feedback message for player
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:var lst map_in_a_list: splited map in a list
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:var str _map_in_a_string: map string
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:var str _element_under_player: Element under player
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:var int _player_position: Player index in _map_in_a_string
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:param map_file: map filename
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:rtype map: str()
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:return: None
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"""
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# Chargement du fichier carte choisi
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if os.path.isfile(map_file) is True:
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with open(map_file, "r") as map_data:
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# translate to a splited lines string list
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map_in_a_list = map_data.read().splitlines()
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# map line number
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if len(map_in_a_list) == MAZE_SIZE_TIL:
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self._COLUM = MAZE_SIZE_TIL + 1
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self._LINES = MAZE_SIZE_TIL
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self._MAXIM = (self._COLUM * self._LINES) - 1
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# Add map checking here
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# Constructing square map
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map_in_a_list = [self.check_line(line) for line in map_in_a_list]
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self._map_in_a_string = '\n'.join(map_in_a_list)
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# Player's initial position
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self._player_position = self._map_in_a_string.find(
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elmt_val('symbol', 'name', 'player', 0)
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)
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# Element under player at start
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self._element_under_player = elmt_val('symbol', 'name', 'void', 0)
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# Place collectables on the map
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for symbol_to_place in elmt_val('symbol', 'collect', True):
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position = random.choice([idx for (idx, value) in enumerate(self._map_in_a_string) if value == elmt_val('symbol', 'name', 'void', 0)])
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self.place_element(symbol_to_place, pos=position)
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self.status = True
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self.status_message = MSG_START_GAME
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self.collected_items = []
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else:
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self.status = False
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self.status_message = ERR_MAP.format("maplines: " + str(len(map_in_a_list)))
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# Erreur de chargement du fichier
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else:
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self.status = False
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self.status_message = ERR_MAP.format(':'.join(["mapfile", map_file]))
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def map_print(self):
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""" Affiche la carte avec la position de jeu courante """
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return self._map_in_a_string
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def move_to(self, pressed_key):
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"""
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Deplace le plyr sur la carte
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:param str pressed_key: mouvement souhaite
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:return int: une cle de la constante MOVE_STATUS
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"""
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# supprime le plyr de son emplacement actuel et on replace
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# l'elements «dessous»
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self._map_in_a_string = self._map_in_a_string.replace(
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elmt_val('symbol', 'name', 'player', 0),
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self._element_under_player
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)
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# Recupere la position suivante
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if pressed_key == K_UP:
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next_position = self._player_position - self._COLUM
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elif pressed_key == K_DOWN:
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next_position = self._player_position + self._COLUM
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elif pressed_key == K_RIGHT:
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next_position = self._player_position + 1
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elif pressed_key == K_LEFT:
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next_position = self._player_position - 1
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self._element_under_player = elmt_val('symbol', 'name', 'void', 0)
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# Traitement en fonction de la case du prochain pas
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if next_position >= 0 and next_position <= self._MAXIM:
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next_char = self._map_in_a_string[next_position]
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if next_char == elmt_val('symbol', 'name', 'void', 0):
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self._player_position = next_position
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self.status_message = MOVE_STATUS_MSG['ok']
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elif next_char in elmt_val('symbol', 'collect', True):
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self._player_position = next_position
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self.status_message = MOVE_STATUS_MSG['collect'].format(elmt_val('name', 'symbol', next_char, 0))
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self._element_under_player = elmt_val('symbol', 'name', 'void', 0)
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self.collected_items.append(elmt_val('name', 'symbol', next_char, 0))
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elif next_char == elmt_val('symbol', 'name', 'exit', 0):
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self.status = False
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if sorted(self.collected_items) == sorted(elmt_val('name', 'collect', True)):
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self.status_message = MOVE_STATUS_MSG['winner']
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else:
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missed_item_flist = ', '.join((item for item in elmt_val('name', 'collect', True) if item not in self.collected_items))
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self.status_message = MOVE_STATUS_MSG['looser'].format(missed_item_flist)
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else: # wall, door or nline
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self.status_message = MOVE_STATUS_MSG['wall']
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else:
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self.status_message = MOVE_STATUS_MSG['wall']
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# place le plyr sur sa nouvelle position
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self.place_element(elmt_val('symbol', 'name', 'player', 0))
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def place_element(self, element, **kwargs):
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"""
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Place l'element sur la carte.
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La position est celle de l'attribut self._player_position au
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moment de l'appel.
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Utilise pour place le plyrt et remettre les portes.
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:param str element: element a placer sur la carte
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"""
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# FIXME cannot find a way to define default value to the
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# method's arguments with class attributes
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if 'pos' in kwargs:
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pos = kwargs['pos']
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else:
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pos = self._player_position
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if 'txt' in kwargs:
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txt = kwargs['txt']
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else:
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txt = self._map_in_a_string
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self._map_in_a_string = txt[:pos] + element + txt[pos + 1:]
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@staticmethod
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def check_line(line):
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"""
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Checks if a line has a good length, fill it if it's too small,
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truncate if it's too long
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"""
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differance = MAZE_SIZE_TIL - len(str(line))
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if differance < 0:
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return line[:MAZE_SIZE_TIL]
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elif differance > 0:
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return line + (differance * elmt_val('symbol', 'name', 'void', 0))
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else:
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return line
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