py_stepik/pygame-wasm/phantomcastle/game/wall.py

import pygame
from coords import Coords
from common import DrawableGameObject


class WallBlock(DrawableGameObject):
    """объект элемента стены"""

    def __init__(
        self,
        coords: Coords,
        parent: DrawableGameObject,
        assets: dict | None = None,
    ):
        super().__init__(coords, parent, assets)
        self._surface = pygame.image.load(self.assets["brick.png"]).convert_alpha()
        self.rect = self.surface.get_rect()
        self.rect.topleft = coords
        # уменьшаем размер монетки
        sf = Coords(1, 1)
        self._surface, self.rect = self.scene.scale_box(self.surface, self.rect, sf)
        self._mask = pygame.mask.Mask(self.rect.size, fill=True)

    def draw(self):
        self.parent.surface.blit(self.surface, self.rect)


class Walls(DrawableGameObject):
    """объект стен"""

    def __init__(
        self,
        parent: DrawableGameObject,
        maze: list[list[int]],
        box_sz: Coords,
        assets: dict | None = None,
    ):
        super().__init__(Coords.zero(), parent, assets)
        self.box_sz = box_sz
        self.blocks = [
            WallBlock(Coords(j, i).transform(box_sz), self, self.assets)
            for i, row in enumerate(maze)
            for j, item in enumerate(row)
            if item > 0
        ]

    def draw(self):
        for block in self.blocks:
            block.draw()

    def check_collision(self, rect: pygame.Rect, mask: pygame.Mask) -> bool:
        for block in self.blocks:
            if block.overlap(rect, mask):
                return True
        return False