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main.py
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main.py
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import os
import sys
import time
os.environ['PYGAME_HIDE_SUPPORT_PROMPT'] = '1'
import pygame
from sprites import Player, Ball
from widgets import Button, InputBox, Screen
pygame.init()
def resourcePath(relativePath='', subdir='', path=False):
''' Returns absolute path of project resource '''
try:
basePath = sys._MEIPASS
except AttributeError:
if relativePath.endswith('.txt'):
folder = 'Text files'
else:
folder = 'Images'
basePath = os.path.abspath(folder)
basePath = os.path.join(basePath, subdir)
if path:
return basePath
return os.path.join(basePath, relativePath)
#Defining some colours:
RED = (255, 55, 55)
BLUE = (20, 20, 255)
YELLOW = (255, 255, 0)
class Animation:
''' Class for game animations '''
def __init__(self, frames, pos):
self.frames = frames
self.pos = pos
self.count = 0
def update(self, screen):
if self.count < len(self.frames)-1:
self.count += 1
else:
self.count = 0
screen.blit(self.frames[self.count//2], self.pos)
class ControlScreen(Screen):
''' Class for the game controls screen '''
def __init__(self, screen):
super().__init__(screen)
self.subPath = os.path.join('Header frames', 'Control screen')
base = resourcePath(path=True, subdir=self.subPath)
frames = [
pygame.image.load(resourcePath(img, subdir=self.subPath))
for img in os.listdir(base) if img.startswith('controls_frame')
]
self.title = Animation(frames, (self.w//4 - 10, 0))
self.ball = Ball(self.w//2, self.h//2, 20)
self.sprites.add(
Player(75, 250, 35, RED),
Player(self.w-75, 250, 35, BLUE),
self.ball)
with open(resourcePath('controls.txt'), 'r', encoding='utf-8') as f:
delimiter = f.read(1)
self.text = f.read()
self.controls = self.text.split(delimiter)
self.mainloop()
def displayUI(self):
''' Displays the controls text, and inits back button '''
xStart = 235
yStart = 100
xGap, yGap = 400, 40
for i in range(len(self.controls)-1):
for j, line in enumerate(self.controls[i].splitlines()):
text_render = self.font.render(line, 1, RED)
self.screen.blit(text_render, (xStart + i*xGap, yStart + j*yGap))
self.backBtn = Button(self.screen, (0, 0), '\u2190', pad=2)
self.backBtn.draw()
def redrawGame(self):
''' Redraws the controls screen '''
self.drawHockeyGround()
self.title.update(self.screen)
self.displayUI()
self.sprites.update(self.screen)
pygame.display.update()
def mainloop(self):
''' Controls screen event loop '''
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
return
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_SPACE:
return
if event.type == pygame.MOUSEBUTTONDOWN:
if self.backBtn.clicked():
return
self.redrawGame()
self.clock.tick(self.FPS)
class StartScreen(Screen):
''' Class for the game start screen '''
def __init__(self, screen, entryText='Enter name'):
super().__init__(screen)
self.exit = False
y = 425
self.controlsBtn = Button(
self.screen, (self.w//2-190, y), 'Controls', pad=6, center=1
)
self.startBtn = Button(self.screen, (self.w//2, y), 'Start', pad=6, center=1)
self.quitBtn = Button(self.screen, (self.w//2+160, y), 'Quit', pad=6, center=1)
self.subPath = os.path.join('Header frames', 'Start screen')
base = resourcePath(path=True, subdir=self.subPath)
frames = [
pygame.image.load(resourcePath(img, subdir=self.subPath))
for img in os.listdir(base) if img.startswith('start_frame')
]
self.title = Animation(frames, (self.w//4 - 10, 0))
self.sprites = pygame.sprite.Group()
self.ball = Ball(self.w//2, self.h//2, 20)
self.sprites.add(
Player(75, 250, 35, RED),
Player(self.w-75, 250, 35, BLUE),
self.ball)
self.entryWidgets = [
InputBox(self.w//5-25, self.h//2-40, 200, 75, entryText),
InputBox(self.w//2+100, self.h//2-40, 200, 75, entryText)
]
self.mainloop()
def redrawGame(self):
''' Redraws the start screen '''
self.screen.fill((0, 200, 0))
self.drawHockeyGround()
#Updating sprites
self.sprites.update(self.screen)
#Drawing UI
self.controlsBtn.draw()
self.startBtn.draw()
self.quitBtn.draw()
for e in self.entryWidgets:
e.draw(self.screen)
e.update()
#Drawing start title
self.title.update(self.screen)
pygame.display.update()
def mainloop(self):
''' Start screen event loop '''
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
self.exit = True
return
[e.handle_event(event) for e in self.entryWidgets]
if event.type == pygame.MOUSEBUTTONDOWN:
if self.startBtn.clicked():
if all(e.val for e in self.entryWidgets):
return
if self.quitBtn.clicked():
self.exit = True
return
if self.controlsBtn.clicked():
ControlScreen(self.screen)
self.redrawGame()
self.clock.tick(self.FPS)
def getPlayerNames(self):
''' Returns the values from entry widgets '''
return [e.val.title() for e in self.entryWidgets]
class PauseScreen(Screen):
''' Class for the game pause screen '''
def __init__(self, screen, scoreToWin, endTime):
super().__init__(screen)
y = self.h - 60
self.endBtn = Button(
self.screen,
(self.w//2-275, y),
'End game',
pad=5,
center=1
)
self.returnBtn = Button(
self.screen,
(self.w//2, y),
'Return to game',
pad=5,
center=1
)
self.restartBtn = Button(
self.screen,
(self.w//2+300, y),
'Restart game',
pad=5,
center=1
)
self.font = pygame.font.SysFont('Verdana', 35)
delim = '$'
aboutText = f'''
Air Hockey is a great two-player game! $RED
Control the mallet using the keyboard to score! $YELLOW
There are only two rules to the game: $BLUE
1. Be the first to score {scoreToWin} goals in {endTime} $RED
2. Enjoy! $RED
'''
self.aboutText = dict(
[line.strip().split(delim) for line in aboutText.splitlines()[1:-1]]
)
self.subPath = os.path.join('Header frames', 'Pause screen')
base = resourcePath(path=True, subdir=self.subPath)
frames = [
pygame.image.load(resourcePath(img, subdir=self.subPath))
for img in os.listdir(base) if img.startswith('pause_frame')
]
self.title = Animation(frames, (self.w//5-5, 0))
self.restart = self.endGame = False
self.pauseTime = time.time()
self.mainloop()
def redrawGame(self):
''' Redraws the pause screen '''
self.screen.fill((0, 200, 0))
self.drawHockeyGround()
#Drawing UI
for i, line in enumerate(self.aboutText):
self.screen.blit(
self.font.render(line, 1, eval(self.aboutText[line])),
(self.w//4-100, i*50 + 125)
)
self.endBtn.draw()
self.returnBtn.draw()
self.restartBtn.draw()
#Drawing start title
self.title.update(self.screen)
pygame.display.update()
def updateTime(self):
''' Calculates the time paused '''
self.pauseTime = int(time.time() - self.pauseTime)
def mainloop(self):
''' Pause screen event loop '''
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
self.updateTime()
return
if event.type == pygame.MOUSEBUTTONDOWN:
if self.returnBtn.clicked():
self.updateTime()
return
elif self.endBtn.clicked():
self.endGame = True
return
elif self.restartBtn.clicked():
self.restart = True
return
self.redrawGame()
self.clock.tick(self.FPS)
class EndScreen(Screen):
''' Class for the game end screen '''
def __init__(self, screen, winners):
super().__init__(screen)
for i, winner in enumerate(winners):
winner.x = self.w//2 - 3.5*winner.r*(len(winners) - 1) + 7*winner.r*i
winner.y = self.h//2
winner.controls = None
self.winners = winners
y = self.h - 40
self.backBtn = Button(
self.screen,
(self.w//2-160, y),
'Back to menu',
pad=5,
center=1
)
self.playBtn = Button(
self.screen,
(self.w//2+135, y),
'Play again',
pad=5,
center=1
)
creditsText = '''
Created by: Sanvit Katrekar
Images: Generated by textanim.com
'''
self.creditsText = [line.strip() for line in creditsText.splitlines()[1:]]
self.subPath = os.path.join('Header frames', 'End screen')
base = resourcePath(path=True, subdir=self.subPath)
frames = [
pygame.image.load(resourcePath(img, subdir=self.subPath))
for img in os.listdir(base) if img.startswith('end_frame')
]
self.title = Animation(frames, (self.w//4 - 20, 10))
self.playAgain = False
self.mainloop()
def redrawGame(self):
''' Redraws the end screen '''
self.screen.fill((0, 200, 0))
self.drawHockeyGround()
#Drawing UI
self.backBtn.draw()
self.playBtn.draw()
for i, line in enumerate(self.creditsText):
self.screen.blit(
self.font.render(line, 1, RED),
(self.w//4 + 25, i*50 + self.h//2 + 80)
)
#Displaying win text
text = self.font.render(
' and '.join(w.name for w in self.winners) +
' win' + 's'*(not bool(len(self.winners)-1)) + '!', 1, RED
)
rect = text.get_rect()
rect.center = (self.w//2, self.h//2 - 100)
self.screen.blit(text, (rect.x, rect.y))
drawText = self.font.render('Draw'*(bool(len(self.winners)-1)), 1, RED)
rect = drawText.get_rect()
rect.center = (self.w//2, self.h//2)
self.screen.blit(drawText, (rect.x, rect.y))
#Drawing start title
self.title.update(self.screen)
#Drawing winner sprite
for winner in self.winners:
winner.update(self.screen)
pygame.display.update()
def mainloop(self):
''' Win screen event loop '''
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
return
if event.type == pygame.MOUSEBUTTONDOWN:
if self.backBtn.clicked():
return
if self.playBtn.clicked():
self.playAgain = True
return
self.redrawGame()
self.clock.tick(self.FPS)
class Game(Screen):
''' Class for the main game screen '''
def __init__(self, screen, names, **kwargs):
super().__init__(screen, fontsize=40)
self.displayFont = pygame.font.SysFont('Garamond', 125)
self.pauseBtn = Button(self.screen, (self.w//2-70, self.h-100), 'Pause', pad=5)
self.ball = Ball(self.w//2, self.h//2, 20, (0, self.w), (0, self.h))
self.playerSprites = pygame.sprite.Group()
self.playerSprites.add(
Player(
75, self.h//2-10, 35, RED,
(0, self.w//2), (0, self.h),
controls='WSAD'
),
Player(
self.w-75, self.h//2-10, 35, BLUE,
(self.w//2, self.w), (0, self.h),
controls='IKJL'
)
)
self.sprites.add(*self.playerSprites, self.ball)
for i, sprite in enumerate(self.sprites):
if i == len(names):
break
sprite.name = names[i]
#Defining game play attributes
self.elapsedTime = '00:00'
self.showTime = True
self.showGoal = False
self.run = False
self.goalCounter = 0
self.endTime = kwargs.get('endTime', '01:00')
self.goalTextTime = kwargs.get('goalTextTime', 2)
self.goalWaitTime = kwargs.get('goalWaitTime', 1)
self.scoreToWin = kwargs.get('scoreToWin', 7)
self.startTime = time.time()
self.mainloop()
def resetGame(self):
''' Resets sprites to default and adds up player score '''
symbols = '<>'
for sprite in self.sprites:
sprite.x = sprite.defaultX
sprite.y = sprite.defaultY
if not any(
eval(
f'self.ball.x{sym}self.w//2 and sprite.x{sym}self.w//2',
{'self': self, 'sprite': sprite}
)
for sym in symbols
):
sprite.score += 1
self.ball = Ball(self.w//2, self.h//2, 20, (0, self.w), (0, self.h))
self.sprites.add(self.ball)
self.redrawGame()
self.goalCounter = time.time()
while time.time() - self.goalCounter <= self.goalWaitTime:
pass
self.ball.lastTouched = True
self.goalCounter = 0
def displayText(self, text, pos):
''' Displas game announcements '''
text = self.displayFont.render(text, 1, RED)
self.screen.blit(text, pos)
def checkGoal(self):
''' Resets game if goal is scored '''
if self.ball.alive():
return
if not self.goalCounter:
self.goalCounter = time.time()
self.showTime = False
self.showGoal = True
if time.time() - self.goalCounter >= self.goalTextTime:
self.showGoal = False
self.resetGame()
self.showTime = True
self.startTime += self.goalTextTime + self.goalWaitTime
def updateTime(self):
''' Updating game time '''
diff = int(time.time() - self.startTime)
self.elapsedTime = ':'.join(
[str(val).zfill(2) for val in divmod(diff, 60)]
)
def redrawGame(self):
''' Redraws entire game screen '''
self.screen.fill((0, 200, 0))
#Drawing Hockey Ground
self.drawHockeyGround()
#Drawing game time
if self.showTime:
text = self.font.render(self.elapsedTime, 1, RED)
self.screen.blit(text, (self.w//2 - 53, 50))
if self.showGoal:
self.displayText('Goal!', (self.w//3 + 25, self.h//4 + 50))
#Updating sprites
self.sprites.update(self.screen)
[sprite.checkCollision(self.ball) for sprite in self.playerSprites]
#Updating game time
self.updateTime()
#Drawing UI
self.pauseBtn.draw()
pygame.display.update()
def getWinner(self):
''' Compares player scores and returns the winner '''
maxScore = -1
for sprite in self.playerSprites:
if sprite.score == maxScore:
winner = None
break
if sprite.score > maxScore:
winner = sprite
maxScore = sprite.score
return winner
def gameOver(self, winner=None):
''' Creates an end screen instance and checks for Play Again '''
self.ball.kill()
end = EndScreen(
self.screen,
pygame.sprite.GroupSingle(winner) if winner else self.sprites
)
self.run = end.playAgain
def mainloop(self):
''' Main game event loop '''
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
return
if event.type == pygame.MOUSEBUTTONDOWN:
if self.pauseBtn.clicked():
pauseScreen = PauseScreen(self.screen, self.scoreToWin, self.endTime)
self.run = pauseScreen.restart
if self.run:
return
if pauseScreen.endGame:
self.gameOver(self.getWinner())
return
self.startTime += pauseScreen.pauseTime
self.checkGoal()
#Checking if player has scored the required no. of goals to win
for sprite in self.playerSprites:
if sprite.score == self.scoreToWin:
self.gameOver(sprite)
return
#Checking if time is up
if self.elapsedTime == self.endTime and self.showTime:
self.ball.kill()
self.redrawGame()
self.displayText('Time Up!', (self.w//3-50, self.h//4 + 40))
pygame.display.update()
counter = time.time()
while time.time() - counter < self.goalTextTime:
pass
self.gameOver(self.getWinner())
return
self.redrawGame()
self.clock.tick(self.FPS)
#Initializing game window
WIDTH = 1000
HEIGHT = 500
window = pygame.display.set_mode((WIDTH, HEIGHT))
pygame.display.set_caption('Air Hockey!')
pygame.display.set_icon(
pygame.image.load(resourcePath('icon.png', subdir='Game icons'))
)
while True:
startScreen = StartScreen(window)
playerNames = startScreen.getPlayerNames()
if startScreen.exit:
break
while Game(window, playerNames, endTime='03:00').run:
pass
pygame.quit()