92 lines
2.4 KiB
Python
92 lines
2.4 KiB
Python
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from abc import ABC, abstractmethod
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from typing import NamedTuple, Optional
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FONT_NAME = "Arial"
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from sys import platform
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IS_WASM = platform == "emscripten"
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import pygame
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from coords import Coords
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class SurfaceWithRect(NamedTuple):
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surface: pygame.Surface
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rect: pygame.Rect
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def draw_to(self, target: pygame.Surface):
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target.blit(self.surface, self.rect)
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class DrawableGameObject(ABC):
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"""обобщение игрового элемента"""
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coords = property(
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lambda self: self.get_coords(), lambda self, c: self.set_coords(c)
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)
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def __init__(
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self,
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coords: Coords,
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parent: Optional["DrawableGameObject"] = None,
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assets: dict | None = None,
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):
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self.parent = parent
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self.rect = pygame.Rect(coords, coords)
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self.assets = assets or (parent.assets if parent else None)
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self._surface = None
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self._mask = None
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def __str__(self):
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return f"{self.__class__.__name__}({self.coords})"
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@property
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def surface(self) -> pygame.Surface | None:
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return self._surface or (self.parent.surface if self.parent else None)
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@property
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def mask(self) -> pygame.Mask | None:
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if not self._mask:
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self._mask = pygame.mask.from_surface(self.surface.convert_alpha())
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return self._mask
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def overlap(self, rect: pygame.Rect, mask: pygame.Mask) -> bool:
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if not self.rect.colliderect(rect):
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return False
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offset = Coords(*self.rect.topleft) - Coords(*rect.topleft)
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overlap = mask.overlap(self.mask, offset)
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return overlap is not None
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@property
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def scene(self):
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return self.parent.scene if self.parent else self
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def get_coords(self) -> Coords:
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return Coords(*self.rect.topleft)
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def set_coords(self, coords: Coords):
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new_rect = self.rect.copy()
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new_rect.topleft = coords
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if self.parent:
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if self.parent.rect:
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if not self.parent.rect.contains(new_rect):
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return
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self.rect = new_rect
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@abstractmethod
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def draw(self):
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pass
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class EventHandler(ABC):
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@abstractmethod
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def handle_keys(self, keys_pressed):
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pass
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@abstractmethod
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def handle_event(self):
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pass
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