game2.py

import pygame
import sys
from pygame.locals import *

data = []
matrix = []
with open("data.txt") as file:
    for line in file:
        data.append(line)
ymatrix = int(data[0][0:2])
xmatrix = int(data[0][3:5])
del data[0]
starty = int(data[0][0:2])
startx = int(data[0][3:5])
del data[0]
charx = startx
chary = starty
pygame.init()
setdisplay = pygame.display.set_mode((xmatrix*16, ymatrix*16))
pygame.display.set_caption ("game")
background = pygame.image.load("background.png")
char = pygame.image.load("char.png")
fps = 30
fpsTime = pygame.time.Clock()

for line in data:
    matrix.append(line.strip().split(" "))

move_keys = {K_UP: "up",
             K_DOWN: "down",
             K_LEFT: "left",
             K_RIGHT: "right"}
directs = {"up": (0, -1),
           "down": (0, 1),
           "left": (-1, 0),
           "right": (1, 0)}

def move(x, y, direction, matrix):
    steps = [0, 0]
    vx = directs[direction][0]
    vy = directs[direction][1]
    try:
        cell = matrix[y + vy][x + vx]
        if cell == "f":
            steps[0] += vx
            steps[1] += vy
        elif cell == "i":
            while matrix[y + steps[1] + vy][x + steps[0] + vx] == "i":
                steps[0] += vx
                steps[1] += vy
            else:
                if matrix[y + steps[1] + vy][x + steps[0] + vx] == "f":
                    steps[0] -= vx
                    steps[1] -= vy
    except IndexError:
        return [0, 0]
    return steps

while True:
    setdisplay.blit(background, (0, 0))
    setdisplay.blit(char, (charx * 16, chary * 16))
    for event in pygame.event.get():
        if event.type == QUIT:
            pygame.quit()
            sys.exit()
        if event.type == KEYDOWN:
            if event.key in move_keys:
                direction = move_keys[event.key]
                steps = move(charx, chary, direction, matrix)
                charx += steps[0]
                chary += steps[1]

    pygame.display.update()
    fpsTime.tick(fps)