105 lines
3.1 KiB
Python
105 lines
3.1 KiB
Python
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import random
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import pygame as pg
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from .settings import *
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class Block(pg.sprite.Sprite):
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def __init__(self, tetromino, pos, color) -> None:
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from .tetromino import Tetromino
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self.tetromino: Tetromino = tetromino
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self.pos = vec(pos) + vec((FIELD_W//2, 0))
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self.dead = False
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super().__init__(tetromino.tetris.sprite_group)
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self.image = pg.Surface([TILE_SIZE, TILE_SIZE])
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# TODO user custom border radius
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pg.draw.rect(self.image, color, (1, 1, TILE_SIZE, TILE_SIZE), border_radius=TILE_SIZE//2-5)
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self.rect = self.image.get_rect()
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def rotate(self, pivot: vec) -> vec: # because pygame rotates by origin, need to specify pivot
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'''
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Rotate 90 degress with pivot as origin
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Parameters
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----------
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pivot : vec
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origin port for block rotation.
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Returns
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-------
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Vector2
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rotated position.
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'''
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return (self.pos - pivot).rotate(90) + pivot
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def set_rect_pos(self):
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self.rect.topleft = int(self.pos[0]) * TILE_SIZE, int(self.pos[1]) * TILE_SIZE
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def is_collide(self, dt: vec) -> bool:
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x, y = tuple(map(int, self.pos + dt))
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if (0 <= x < FIELD_W and y < FIELD_H) and (y < 0 or not self.tetromino.tetris.blocks[y][x]):
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return False
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return True
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def update(self):
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'''
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make pos update ease, should update in tetromino class though
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'''
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if self.dead:
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self.kill()
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else:
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self.set_rect_pos()
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class Tetromino:
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def __init__(self, tetris, shape: str) -> None:
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from .tetris import Tetris
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self.tetris: Tetris = tetris
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self.shape = shape
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self.color = TETROMINO_COLORS[shape]
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self.blocks = [Block(self, pos, self.color) for pos in TETROMINOES[self.shape]]
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self.landed = False
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# hack to display full block
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for i in range(-min((pos_y for _pos_x, pos_y in TETROMINOES[self.shape])) - 1):
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self.move('d')
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min((float(i) for i in range(5)))
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def is_collide(self, dt: vec) -> bool:
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'''
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check every block if is collided.
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Returns
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-------
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bool
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True if collide
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'''
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return any((i.is_collide(dt) for i in self.blocks))
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def rotate(self):
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'''
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Rotate the tetromino if possible, say not collide.
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'''
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rotatable = True
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pivot_pos = self.blocks[0].pos
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for i in self.blocks[1:]:
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if i.is_collide(i.rotate(pivot_pos) - i.pos):
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rotatable = False
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break
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if rotatable:
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for i in self.blocks: i.pos = i.rotate(pivot_pos)
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def move(self, direction):
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movevec = MOVE_DIRECTIONS[direction]
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# landing check
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if not self.is_collide(movevec):
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for block in self.blocks:
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block.pos += movevec
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elif direction == 'd':
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self.landed = True
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def update(self):
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'''
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update function called every time need to fall a cell
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'''
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self.move('d')
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