47 lines
1.8 KiB
Python
47 lines
1.8 KiB
Python
"""Module to aid in the drawing of surfaces to make switching from one screen to another easier."""
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import pygame
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from ..io.input_handler import InputHandler
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class GameSurface(pygame.Surface):
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"""
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Class to be used as the backbone of all game surfaces.
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Attributes:
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running (bool): Boolean to tell whether the surface is running or not.
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next_surface (:obj:`str`): What the next surface should be after halting.
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resource_dir (:obj:`str`): The path of the game's main resource directory.
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game_fps (int): How many frames per second the game will run at.
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additional_args (dict): Additional arguments to send to the next surface after halting.
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"""
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def __init__(self, game_res, resources_dir, game_fps):
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"""
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Create a GameSurface object.
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Args:
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game_res (int): The internal resolution of the surface.
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resources_dir (:obj:`str`): The path of the game's main resource directory.
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game_fps: (int): How many frames per second the game will run at.
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"""
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super().__init__(game_res, pygame.SRCALPHA)
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self.running = True
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self.next_surface = None
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self.resource_dir = resources_dir
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self._clock = pygame.time.Clock()
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self.game_fps = game_fps
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self._input_handler = InputHandler(self._clock)
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self.additional_args = {}
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self._bg = pygame.image.load(self.resource_dir + '/images/bg.png').convert_alpha()
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self.sprites = pygame.sprite.Group()
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def preprocess(self):
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"""
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Advance the surface by one frame and draw the background.
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"""
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self._clock.tick(self.game_fps)
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self.blit(self._bg, (0, 0))
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self.sprites.update()
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self.sprites.draw(self)
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self._input_handler.update()
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