72 lines
2.2 KiB
Python
72 lines
2.2 KiB
Python
from typing import Any
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import pygame as pg
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from .settings import *
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class App:
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def __init__(self) -> None:
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from .tetris import Tetris
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# TODO: dynamic timeout
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self.fall_timeout: Generator[int, Any, Any] = FALL_TIMEOUT_GENERATOR
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self.paused = False
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pg.init()
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pg.display.set_caption(CAPTION)
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self.init_event_timer()
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self.screen = pg.display.set_mode(FIELD_RES)
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self.clock = pg.time.Clock()
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self.tetris = Tetris(self)
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def init_event_timer(self):
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# when timeout, set trigger to true to make tetromino fall
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self.fall_trigger = False
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self.fall_event = pg.USEREVENT
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pg.time.set_timer(self.fall_event, next(self.fall_timeout))
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def update(self):
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self.tetris.update()
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self.clock.tick(FPS)
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def draw(self):
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'''
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main app frame drawer. This method only run once.
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draw app background color
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draw tetris grids
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'''
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self.screen.fill(color=FIELD_COLOR, rect=(0, 0, *FIELD_RES))
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self.tetris.draw() # draw grid
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pg.display.flip()
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def check_events(self):
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'''
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Main event loop.
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'''
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self.fall_trigger = False # fall_event set in set_event_timer
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for event in pg.event.get():
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if event.type == pg.QUIT or (
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event.type == pg.KEYDOWN and event.key == pg.K_ESCAPE
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or event.type == pg.KEYDOWN and event.key == pg.K_c
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and pg.key.get_mods() & pg.KMOD_CTRL
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): # handle ctrl+c, https://stackoverflow.com/a/46506753/20419707
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pg.quit()
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exit()
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elif event.type == pg.KEYDOWN:
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if event.key == pg.K_p:
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self.paused = not self.paused
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elif not self.paused:
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self.tetris.control(event.key)
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elif event.type == self.fall_event and not self.paused:
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self.fall_trigger = True
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pg.time.set_timer(self.fall_event, next(self.fall_timeout))
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def run(self):
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'''
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Main loop.
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'''
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while True:
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self.check_events()
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self.update()
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self.draw()
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