105 lines
3.7 KiB
Python
105 lines
3.7 KiB
Python
from typing import Optional
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import pygame
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from physics.CollisionDirection import CollisionDirection
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from physics.TickData import TickData
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from sprite.BoundingBox import BoundingBox
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from sprite.PositionScale import PositionScale
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from sprite.Spritesheet import Spritesheet
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from ui_elements.KeyManager import KeyManager
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from ui_elements.UiElement import UiElement
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class Sprite(UiElement):
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def __init__(self, spritesheet: Optional[Spritesheet] = None):
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super().__init__()
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self.spritesheet = spritesheet
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if self.spritesheet is not None:
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self.animation_state = list(self.spritesheet.animations.keys())[0]
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else:
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self.animation_state = None
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self.animation_frame = 0
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self.animation_delay = 0
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self.animated = True
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self.image = None
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self.last_image = None
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self.is_collider = True
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self.register_collisions = True
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self.collides_with_elements: list[CollisionDirection] = []
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def add_collides_with(self, collision_direction: CollisionDirection):
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self.collides_with_elements.append(collision_direction)
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def reset_collides_with(self):
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self.collides_with_elements = []
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def get_collides_with(self) -> list[CollisionDirection]:
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return self.collides_with_elements
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def get_collides_with_direction(self, direction: int) -> Optional[CollisionDirection]:
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for collision_direction in self.collides_with_elements:
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if collision_direction.direction == direction:
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return collision_direction
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return None
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def tick(self, tick_data: TickData):
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self.update_image(tick_data)
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def update_image(self, tick_data: TickData):
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if self.spritesheet is None:
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self.image = None
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return
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animation = self.spritesheet.animations[self.animation_state]
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if self.animated:
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self.animation_delay += tick_data.dt
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while self.animation_delay >= animation['delays'][self.animation_frame % len(animation['delays'])]:
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self.animation_delay -= animation['delays'][self.animation_frame % len(animation['delays'])]
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self.animation_frame = (self.animation_frame + 1) % len(animation['images'])
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self.last_image = self.image
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self.image = animation['images'][self.animation_frame % len(animation['images'])]
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empty_tick_data = TickData(0, [], KeyManager(), [], PositionScale())
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def set_animation_state(self, state: str):
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if self.spritesheet is None or self.animation_state == state:
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return
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if state in self.spritesheet.animations:
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self.animation_state = state
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self.animation_delay = 0
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self.update_image(self.empty_tick_data)
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else:
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print('Unknown animation state: ' + state)
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def set_animation_frame(self, frame: int):
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self.animation_frame = frame
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self.update_image(self.empty_tick_data)
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def render_sprite_image(self) -> pygame.Surface:
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return self.image
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def get_bounding_box(self) -> BoundingBox:
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if self.image is None:
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print('Sprite.refresh_bounding_box: No image for sprite: ' + str(self))
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return self.bounding_box
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if self.bounding_box.x != self.position_scale.position[0] or \
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self.bounding_box.y != self.position_scale.position[1]:
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self.bounding_box = BoundingBox(
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self.position_scale.position[0],
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self.position_scale.position[1],
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self.image.get_width() * self.position_scale.scale[0],
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self.image.get_height() * self.position_scale.scale[1]
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)
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return self.bounding_box
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