main.py

import pyxel
import os

from collections import namedtuple
from player import Bird
from tilemap import Background
from pipe import Pipe
WIDTH = 255
HEIGHT = 255
BIRD_GAP = 200
RESTART = "PRESS R TO RESTART GAME "
SCORE = "YOUR SCORE IS: "
INS = "PRESS SPACE OR ARROW UP TO FLAP THE BIRD"
assets = os.path.join(os.getcwd(), os.path.dirname(__file__), 'flappy.pyxel')


class App:

    def __init__(self):
        pyxel.init(width=WIDTH, height=HEIGHT, caption="Flappy Bird", fps=35)
        pyxel.load(assets)
        self.reset()
        pyxel.run(self.update, self.draw)

    def reset(self):

        # make game activate False until bird is operated
        self.activate_game = False

        self.bird = Bird()
        self.pipe = Pipe()
        self.score_count = 0
        self.background = Background()

    def update(self):
        if self.activate_game:

            # RESTART GAME WITH R
            if pyxel.btnp(pyxel.KEY_R):
                self.reset()

            # Constantly check for hit, and update pipes
            self.hit()
            self.pipe.update()
            self.bird.update_bird()

        # QUIT GAME WITH Q OR ESC
        if pyxel.btnp(pyxel.KEY_Q):
            pyxel.quit()

        # before starting to flap
        if not self.activate_game:
            if pyxel.btnp(pyxel.KEY_SPACE) or pyxel.btnp(pyxel.KEY_UP):
                self.bird.update_bird()
                self.activate_game = True

    def display_score(self):
        # max of 4 pipes on the screen
        # count the score for each pipe you pass
        for i in range(4):
            if self.bird.location.x == self.pipe.pipes[i][0]:
                self.score_count += 1
        # print the current score
        if not self.bird.hit and self.activate_game:
            pyxel.text(WIDTH//2, HEIGHT//3, str(self.score_count), 7)

    ''' Check for hits '''
    def hit(self):
        for i in range(4):

            # 12.5 is the offset of the bird (by pixels)
            # pipes[i][0] indicates the closest pipe
            if self.pipe.pipes[i][0]+12.5 > self.bird.location.x > self.pipe.pipes[i][0]-12.5:
                if (
                    self.bird.location.y > self.pipe.pipes[i][1] + BIRD_GAP
                    or self.bird.location.y < self.pipe.pipes[i][1] + 140
                ):

                    # update hit, pipes and background
                    self.bird.hit = True
                    self.pipe.active = False
                    self.background.active = False
        if self.bird.location.y > HEIGHT - 36:
            self.bird.hit = True
            self.pipe.active = False
            self.background.active = False

    ''' Handles the drawing '''
    def draw(self):
        pyxel.cls(0)
        self.background.draw_background()

        # draw instructions for the game on the screen
        if not self.activate_game:
            pyxel.text(WIDTH/2 - len((INS)*2), HEIGHT//3, INS, 7)
        
        self.pipe.draw_pipes()
        self.background.draw_floor()
        self.bird.draw_bird()
        self.display_score()

        if self.bird.hit is True:
            pyxel.text(WIDTH/2 - (len(SCORE)*2), HEIGHT //
                       3, SCORE + str(self.score_count), 7)
            pyxel.text(WIDTH/2 - (len(RESTART)*2), HEIGHT//2, RESTART, 7)


App()