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sprite.py
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sprite.py
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from typing import Callable, Sequence
import pygame
import os
import time
from debug import debug
class Sprite():
_path: os.PathLike
_sprite: pygame.Surface
_pos: tuple[int, int] = (0, 0)
_size: tuple[int, int]
_reverse: bool = False
def __init__(self, asset: os.PathLike) -> None:
self._path = asset
self._sprite = pygame.image.load(os.path.join(os.path.dirname(__file__), self._path))
self._size = self._sprite.get_size()
def show(self, show_function: Callable[[pygame.Surface, pygame.Surface, tuple[int, int], tuple[int, int]], None],
screen: pygame.Surface, reverse: bool = False) -> None:
sprite = self._sprite
if reverse ^ self._reverse: # Allow reversing twice
sprite = pygame.transform.flip(sprite, 1, 0)
show_function(screen, sprite, self._pos, self._size)
@property
# Whether or not to reverse the sprite (it can be reverse in the call of show on top of that)
def reverse(self) -> bool:
return self._reverse
@reverse.setter
def reverse(self, value: bool) -> None:
self._reverse = value
@property
# Size of the sprite
def size(self) -> tuple[int, int]:
return self._size
@size.setter
def size(self, value: pygame.Rect | Sequence[int]) -> None:
if isinstance(value, pygame.Rect):
self._size = value.size
return
if isinstance(value, Sequence):
if len(value) != 2:
raise IndexError("A Size value must have exactly 2 int values")
if not (isinstance(value[0], int) and isinstance(value[1], int)):
raise ValueError("Values are not all int")
self._size = (value[0], value[1])
return
raise ValueError("Cannot parse value")
@property
# Position of the sprite
def pos(self) -> tuple[int, int]:
return self._pos
@property
# Position of the sprite
def position(self) -> tuple[int, int]:
return self._pos
@position.setter
def position(self, value: pygame.Rect | Sequence[int]) -> None:
if isinstance(value, pygame.Rect):
self._pos = (value.x, value.y)
return
if isinstance(value, Sequence):
if len(value) != 2:
raise IndexError("A Size value must have exactly 2 int values")
if not (isinstance(value[0], int) and isinstance(value[1], int)):
raise ValueError("Values are not all int")
self._pos = (value[0], value[1])
return
raise ValueError("Cannot parse value")
@pos.setter
def pos(self, value: pygame.Rect | Sequence[int]) -> None:
if isinstance(value, pygame.Rect):
self._pos = (value.x, value.y)
return
if isinstance(value, Sequence):
if len(value) != 2:
raise IndexError("A Size value must have exactly 2 int values")
if not (isinstance(value[0], int) and isinstance(value[1], int)):
raise ValueError("Values are not all int")
self._pos = (value[0], value[1])
return
raise ValueError("Cannot parse value")
def __str__(self) -> str:
return f"Sprite(file: {self._sprite}, size: {self.size}, pos: {self.pos})"
class AnimatedSprite(Sprite):
_asset_list: Sequence[os.PathLike]
_asset_id: int = 0
_speed: float
_clock: float = time.time()
def __init__(self, assets: Sequence[os.PathLike], framerate: float) -> None:
super().__init__(assets[0])
self._asset_list = assets
self._speed = framerate
def show(self, show_function: Callable[[pygame.Surface, pygame.Surface, tuple[int, int], tuple[int, int]], None],
screen: pygame.Surface, reverse: bool = False) -> None:
debug(f"{time.time() - self._clock = } {len(self._asset_list) = } {(1 / self._speed) = }")
while (time.time() - self._clock) > len(self._asset_list) * (1 / self._speed):
self._clock += len(self._asset_list) * (1 / self._speed)
while (time.time() - self._clock) > (1 / self._speed):
debug("Sprite change")
self._asset_id += 1
self._clock += (1 / self._speed)
if len(self._asset_list) <= self._asset_id:
self._asset_id = 0
debug(f"Showing sprite with asset {self._asset_id = }")
self._sprite = pygame.image.load(os.path.join(os.path.dirname(__file__), self._asset_list[self._asset_id]))
Sprite.show(self, show_function, screen, reverse)
@property
# Speed of the animation in frame per second
def speed(self) -> float:
return self._speed
@speed.setter
def speed(self, value: float) -> None:
self._speed = value
@property
# Speed of the animation in frame per second
def frame(self) -> float:
return self._speed
@frame.setter
def frame(self, value: float) -> None:
self._speed = value
@property
# Speed of the animation in frame per second
def framerate(self) -> float:
return self._speed
@framerate.setter
def framerate(self, value: float) -> None:
self._speed = value