__main__.py

# author: a5892731
# date: 31.01.2022
# last update: 02.02.2022
# version: 1.0.1
#
# description:
# this is a simple game named "maze runner" or "PAC-MAN"
#
# source:
# book: "Python dla profesjonalistów" by Kristian Rother
# https://github.com/krother/maze_run

from resources.load_tiles import load_tiles
from resources.generate_maze import create_maze
from resources.event_loop import event_loop
from resources.draw_maze import draw_grid, parse_grid
from resources.moves import move, LEFT, RIGHT, UP, DOWN
from pygame import Rect
import pygame

# initialize size off the game
xsize = 12
ysize = 7
field_size = 32
xresolution = xsize * field_size
yresolution = ysize * field_size
x_display_img_size = 384 # xresolution / 2 - 16
y_display_img_size = 224 # yresolution / 2 - 76

# initialize display
pygame.init()
pygame.display.set_mode((xresolution, yresolution))
display = pygame.display.get_surface()

# prepare the maze
maze = parse_grid(create_maze(xsize, ysize))
maze[1][1] = '*'
maze[ysize - 2][xsize - 2] = 'x'

# draw the graphics
tile_img, tiles = load_tiles()
img = draw_grid(maze, tile_img, tiles)

display.blit(img,
             Rect((0, 0, x_display_img_size, y_display_img_size)), Rect((0, 0, x_display_img_size, y_display_img_size)))
pygame.display.update()

# start the game
DIRECTIONS = {
    276: LEFT,
    275: RIGHT,
    273: UP,
    274: DOWN,
    1073741904: LEFT,
    1073741903: RIGHT,
    1073741906: UP,
    1073741905: DOWN,
}

def handle_key(key):
    """Handles key events in the game"""
    KEYS_DICT = {'ESC': 27,
                 'UP': 1073741906, 'DOWN': 1073741905, 'RIGHT': 1073741903, 'LEFT': 1073741904}

    direction = DIRECTIONS.get(key)
    if direction:
        move(maze, direction)
    img = draw_grid(maze, tile_img, tiles)
    display.blit(img, Rect((0, 0, 384, 224)), Rect((0, 0, 384, 224)))
    pygame.display.update()

    if key == KEYS_DICT['UP']:
        print('UP')
    elif key == KEYS_DICT['DOWN']:
        print('DOWN')
    elif key == KEYS_DICT['RIGHT']:
        print('RIGHT')
    elif key == KEYS_DICT['LEFT']:
        print('LEFT')
    elif key == KEYS_DICT['ESC']:
        print('exit')
        exit()
    else:
        print("key number: " + str(key))


if __name__ == '__main__':
    action = event_loop(handle_key)