freezed/ocp3
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ocp3
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Sets up file error (presence or line nb) 

Clean exit and handling error when a map file do not exist or have a
wrong number of line (acording to the constant MAZE_SIZE in the conf
TODO if a file error raises, do not warmup pygame
This commit is contained in:
Fred Z 2018-04-04 14:40:05 +02:00
parent f624d23a45
commit ed5380376f
3 changed files with 52 additions and 47 deletions
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3
conf.py
View File

@ -52,7 +52,8 @@ WHITE = (255, 255, 255)
# Messages
CAPTION = "OCP3, a maze based on pygame"
ERR_MAP = "ERR_MAP: «{}»"
ERR_FILE = "Map filename is not avaiable: «{}»"
ERR_LINE = "Map file has wrong lines number: «{}»"
HEAD_MESSAGES = {
'title': "Welcome in OCP3.",
'status': "Use arrow keys to play, any other key to quit.",

15
main.py
View File

@ -21,6 +21,7 @@ from conf import (
)
GAME_KEYS = [K_UP, K_DOWN, K_RIGHT, K_LEFT]
last_wait = False
pygame.init()
WINDOW = pygame.display.set_mode(WIN_DIM)
@ -29,13 +30,13 @@ WINDOW.blit(pygame.image.load(BACKGRND_FILE).convert(), (0, HEAD_SIZE_H))
# Loading map
MAP_GAME = Map(MAP_FILE)
set_header(WINDOW, MAP_GAME.status_message)
maze_draw(WINDOW, MAP_GAME.map_print().replace('\n', ''))
# Game loop
# pygame.time.Clock().tick(25)
last_wait = True
pygame.time.Clock().tick(25)
while MAP_GAME.status:
last_wait = True
set_header(WINDOW, MAP_GAME.status_message)
maze_draw(WINDOW, MAP_GAME.map_print().replace('\n', ''))
for event in pygame.event.get():
if event.type == QUIT:
MAP_GAME.status = False
@ -53,12 +54,12 @@ while MAP_GAME.status:
# Draw maze
maze_draw(WINDOW, MAP_GAME.map_print().replace('\n', ''))
MAP_GAME.status_message['title'] = MSG_END
set_header(WINDOW, MAP_GAME.status_message)
pygame.display.flip()
# Loop for last messag before exit
while last_wait:
MAP_GAME.status_message['title'] = MSG_END
set_header(WINDOW, MAP_GAME.status_message)
pygame.display.flip()
for event in pygame.event.get():
if event.type == KEYDOWN:
last_wait = False

81
map.py
View File

@ -9,7 +9,7 @@ import os
import random
from pygame.locals import K_UP, K_DOWN, K_RIGHT, K_LEFT
from conf import (
elmt_val, ERR_MAP, MSG_COLLECT, MSG_LOSER, MSG_OK,
elmt_val, ERR_FILE, ERR_LINE, MSG_COLLECT, MSG_LOSER, MSG_OK,
MSG_WALL, MSG_WINNER, HEAD_MESSAGES, MAZE_SIZE
)
@ -41,66 +41,69 @@ class Map:
# Loading map file
if os.path.isfile(map_file) is False:
self.status = False
print(ERR_MAP.format(':'.join(["mapfile", map_file])))
print(ERR_FILE.format(map_file))
else:
with open(map_file, "r") as map_data:
splited_map = map_data.read().splitlines()
self.check_file(splited_map)
if self.check_file(splited_map):
# Builds a square map (if end-line spaces are missing in the file)
self._map_in_a_string = '\n'.join(
(self.check_line(line) for line in splited_map)
)
# Builds a square map (if end-line spaces are missing in the file)
self._map_in_a_string = '\n'.join(
(self.check_line(line) for line in splited_map)
)
# Gets player initial position
self._player_position = self._map_in_a_string.find(
elmt_val('symbol', 'name', 'player', 0)
)
# Gets player initial position
self._player_position = self._map_in_a_string.find(
elmt_val('symbol', 'name', 'player', 0)
)
# Defines Element under player at start
self._element_under_player = elmt_val('symbol', 'name', 'void', 0)
# Defines Element under player at start
self._element_under_player = elmt_val('symbol', 'name', 'void', 0)
# Place collectables on the map
for symbol_to_place in elmt_val('symbol', 'collect', True):
position = random.choice(
[idx for (idx, value) in enumerate(
self._map_in_a_string
) if value == elmt_val(
'symbol', 'name', 'void', 0
)])
self.place_element(symbol_to_place, pos=position)
# Place collectables on the map
for symbol_to_place in elmt_val('symbol', 'collect', True):
position = random.choice(
[idx for (idx, value) in enumerate(
self._map_in_a_string
) if value == elmt_val(
'symbol', 'name', 'void', 0
)])
self.place_element(symbol_to_place, pos=position)
self.MAX_ITEMS = sum(1 for _ in elmt_val('name', 'collect', True))
self._COLUM = MAZE_SIZE + 1 # List starts to zero
self._MAXIM = (self._COLUM * MAZE_SIZE) - 1
self.MAX_ITEMS = sum(1 for _ in elmt_val('name', 'collect', True))
self._COLUM = MAZE_SIZE + 1 # List starts to zero
self._MAXIM = (self._COLUM * MAZE_SIZE) - 1
self.status = True
self.collected_items = []
self.collected_items_num = 0
self.status = True
self.collected_items = []
self.collected_items_num = 0
self.status_message = {}
self.status_message['title'] = HEAD_MESSAGES['title']
self.status_message['status'] = HEAD_MESSAGES['status']
self.status_message['items'] = HEAD_MESSAGES['items'].format(
self.collected_items_num, self.MAX_ITEMS
)
self.status_message = {}
self.status_message['title'] = HEAD_MESSAGES['title']
self.status_message['status'] = HEAD_MESSAGES['status']
self.status_message['items'] = HEAD_MESSAGES['items'].format(
self.collected_items_num, self.MAX_ITEMS
)
def check_file(self, splited_map):
else:
self.status = False
@staticmethod
def check_file(splited_map):
"""
Checks the map conformity before starting the game
:param list/str splited_map: Map splited in a list (line = index)
"""
self.status = False
if len(splited_map) != MAZE_SIZE:
print(ERR_MAP.format("maplines: " + str(len(splited_map))))
print(ERR_LINE.format(len(splited_map)))
return False
# ++Add other checks here: elements inside, exit possible, etc++
else:
self.status = True
return True
def map_print(self):
""" Return a string of the map state """