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150 lines
4.5 KiB
150 lines
4.5 KiB
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import pygame as pg
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from .. import setup
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from .. import constants as c
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from . import powerups
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from . import coin
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class Coin_box(pg.sprite.Sprite):
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"""Coin box sprite"""
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def __init__(self, x, y, contents='coin', group=None):
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pg.sprite.Sprite.__init__(self)
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self.sprite_sheet = setup.GFX['tile_set']
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self.frames = []
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self.setup_frames()
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self.frame_index = 0
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self.image = self.frames[self.frame_index]
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self.rect = self.image.get_rect()
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self.rect.x = x
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self.rect.y = y
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self.mask = pg.mask.from_surface(self.image)
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self.animation_timer = 0
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self.first_half = True # First half of animation cycle
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self.state = c.RESTING
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self.rest_height = y
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self.gravity = 1.2
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self.y_vel = 0
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self.contents = contents
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self.group = group
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def get_image(self, x, y, width, height):
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"""Extract image from sprite sheet"""
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image = pg.Surface([width, height]).convert()
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rect = image.get_rect()
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image.blit(self.sprite_sheet, (0, 0), (x, y, width, height))
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image.set_colorkey(c.BLACK)
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image = pg.transform.scale(image,
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(int(rect.width*c.BRICK_SIZE_MULTIPLIER),
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int(rect.height*c.BRICK_SIZE_MULTIPLIER)))
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return image
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def setup_frames(self):
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"""Create frame list"""
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self.frames.append(
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self.get_image(384, 0, 16, 16))
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self.frames.append(
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self.get_image(400, 0, 16, 16))
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self.frames.append(
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self.get_image(416, 0, 16, 16))
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self.frames.append(
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self.get_image(432, 0, 16, 16))
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def update(self, game_info):
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"""Update coin box behavior"""
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self.current_time = game_info[c.CURRENT_TIME]
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self.handle_states()
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def handle_states(self):
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"""Determine action based on RESTING, BUMPED or OPENED
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state"""
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if self.state == c.RESTING:
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self.resting()
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elif self.state == c.BUMPED:
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self.bumped()
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elif self.state == c.OPENED:
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self.opened()
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def resting(self):
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"""Action when in the RESTING state"""
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if self.first_half:
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if self.frame_index == 0:
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if (self.current_time - self.animation_timer) > 375:
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self.frame_index += 1
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self.animation_timer = self.current_time
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elif self.frame_index < 2:
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if (self.current_time - self.animation_timer) > 125:
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self.frame_index += 1
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self.animation_timer = self.current_time
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elif self.frame_index == 2:
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if (self.current_time - self.animation_timer) > 125:
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self.frame_index -= 1
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self.first_half = False
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self.animation_timer = self.current_time
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else:
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if self.frame_index == 1:
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if (self.current_time - self.animation_timer) > 125:
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self.frame_index -= 1
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self.first_half = True
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self.animation_timer = self.current_time
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self.image = self.frames[self.frame_index]
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def bumped(self):
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"""Action after Mario has bumped the box from below"""
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self.rect.y += self.y_vel
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self.y_vel += self.gravity
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if self.rect.y > self.rest_height + 5:
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self.rect.y = self.rest_height
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self.state = c.OPENED
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if self.contents == 'mushroom':
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self.group.add(powerups.Mushroom(self.rect.centerx, self.rect.y))
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elif self.contents == 'fireflower':
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self.group.add(powerups.FireFlower(self.rect.centerx, self.rect.y))
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elif self.contents == '1up_mushroom':
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self.group.add(powerups.LifeMushroom(self.rect.centerx, self.rect.y))
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self.frame_index = 3
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self.image = self.frames[self.frame_index]
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def start_bump(self, score_group):
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"""Transitions box into BUMPED state"""
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self.y_vel = -6
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self.state = c.BUMPED
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if self.contents == 'coin':
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self.group.add(coin.Coin(self.rect.centerx,
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self.rect.y,
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score_group))
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setup.SFX['coin'].play()
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else:
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setup.SFX['powerup_appears'].play()
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def opened(self):
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"""Placeholder for OPENED state"""
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pass
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