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from ..components import info
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import pygame
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from .. import tools, setup
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from .. import constants as C
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from .. components import player,stuff,brick,box,enemy
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import os
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import json
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class Level:
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def start(self,game_info):
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self.game_info = game_info
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self.finished = False
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self.next = 'game_over'
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self.info = info.Info('level',self.game_info)
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self.load_map_data()
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self.setup_background()
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self.setup_start_positions()
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self.setup_player()
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self.setup_ground_items()
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self.setup_bricks_and_boxes()
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self.setup_enemies()
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self.setup_checkpoints()
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def load_map_data(self):
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file_name = 'level_1.json'
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file_path = os.path.join('source/data/maps',file_name)
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with open(file_path) as f:
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self.map_data = json.load(f)
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def setup_background(self):
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self.image_name = self.map_data['image_name']
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self.background = setup.GRAPHICS[self.image_name]
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rect = self.background.get_rect()
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self.background = pygame.transform.scale(self.background,(int(rect.width * C.BG_MULTI),
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int(rect.height * C.BG_MULTI)))
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self.background_rect = self.background.get_rect()
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self.game_window = setup.SCREEN.get_rect()
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self.game_ground = pygame.Surface((self.background_rect.width,self.background_rect.height))
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def setup_start_positions(self):
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self.positions = []
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for data in self.map_data['maps']:
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self.positions.append((data['start_x'],data['end_x'],data['player_x'],data['player_y']))
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self.start_x,self.end_x,self.player_x,self.player_y = self.positions[0]
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def setup_player(self):
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self.player = player.Player('mario')
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self.player.rect.x = self.game_window.x + self.player_x
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self.player.rect.bottom = self.player_y
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def setup_ground_items(self):
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self.ground_items_group = pygame.sprite.Group() # 组存放多个精灵类，方便处理
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for name in ['ground','pipe','step']:
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for item in self.map_data[name]:
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self.ground_items_group.add(stuff.Item(item['x'],item['y'],item['width'],item['height'],name))
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def setup_bricks_and_boxes(self):
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self.brick_group = pygame.sprite.Group()
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self.box_group = pygame.sprite.Group()
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self.coin_group = pygame.sprite.Group()
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self.powerup_group = pygame.sprite.Group()
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if'brick' in self.map_data:
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for brick_data in self.map_data['brick']: # 遍历得到x，y坐标以及type
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x,y = brick_data['x'],brick_data['y']
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brick_type = brick_data['type']
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if brick_type == 0:
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if 'brick_num' in brick_data:
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#TODO Batch bricks
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pass
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else:
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self.brick_group.add(brick.Brick(x, y, brick_type,None))
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elif brick_type == 1:
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self.brick_group.add(brick.Brick(x, y, brick_type, self.coin_group))
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else:
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self.brick_group.add(brick.Brick(x, y, brick_type, self.powerup_group))
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if 'box' in self.map_data:
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for box_data in self.map_data['box']: # 遍历得到x，y坐标以及type
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x, y = box_data['x'], box_data['y']
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box_type = box_data['type']
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if box_type == 1:
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self.box_group.add(box.Box(x, y, box_type, self.coin_group))
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else:
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self.box_group.add(box.Box(x, y, box_type,self.powerup_group))
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def setup_enemies(self):
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self.dying_group = pygame.sprite.Group()
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self.shell_group = pygame.sprite.Group()
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self.enemy_group = pygame.sprite.Group() # 初始化
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self.enemy_group_dict = {}
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for enemy_group_data in self.map_data['enemy']: # 字典存放
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group = pygame.sprite.Group()
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for enemy_group_id,enemy_list in enemy_group_data.items():
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for enemy_data in enemy_list:
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group.add(enemy.create_enemy(enemy_data)) # 调用 ce
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self.enemy_group_dict[enemy_group_id] = group
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def setup_checkpoints(self):
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self.checkpoint_group = pygame.sprite.Group()
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for item in self.map_data['checkpoint']:
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x,y,w,h = item['x'],item['y'],item['width'],item['height']
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checkpoint_type = item['type']
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enemy_groupid = item.get('enemy_groupid')
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self.checkpoint_group.add(stuff.Checkpoint(x,y,w,h,checkpoint_type,enemy_groupid))
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def update(self, surface, keys):
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self.current_time = pygame.time.get_ticks()
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self.player.update(keys)
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if self.player.dead:
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if self.current_time - self.player.death_timer > 3000:
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self.finished = True
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self.update_game_info()
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else:
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self.update_player_position()
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self.check_checkpoints()
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self.check_if_go_die()
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self.update_game_window()
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self.info.update()
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self.brick_group.update()
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self.box_group.update()
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self.enemy_group.update(self)
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self.dying_group.update(self)
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self.shell_group.update(self)
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self.coin_group.update()
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self.box_group.update()
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self.draw(surface)
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def update_player_position(self):
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# x判定
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self.player.rect.x += self.player.x_vel
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if self.player.rect.x < self.start_x:
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self.player.rect.x = self.start_x
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elif self.player.rect.right > self.end_x:
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self.player.rect.right = self.end_x
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self.check_x_collisions()
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# y判定
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if not self.player.dead:
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self.player.rect.y += self.player.y_vel
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self.check_y_collisions()
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def check_x_collisions(self): # x方向
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check_group = pygame.sprite.Group(self.ground_items_group,self.brick_group,self.box_group)
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collided_sprite = pygame.sprite.spritecollideany(self.player,check_group) # 检测碰撞
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if collided_sprite:
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self.adjust_player_x(collided_sprite)
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enemy = pygame.sprite.spritecollideany(self.player, self.enemy_group)
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if enemy:
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self.player.go_die()
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shell = pygame.sprite.spritecollideany(self.player, self.shell_group) # 碰撞检测
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if shell:
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if shell.state == 'slide':
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self.player.go_die()
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else:
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if self.player.rect.x < shell.rect.x: # 龟壳弹开方向以及速度
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shell.x_vel = 10
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shell.rect.x += 40
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shell.direction = 1
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else:
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shell.x_vel = -10
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shell.rect.x -= 40
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shell.direction = 0
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shell.state = 'slide'
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def check_y_collisions(self): # y方向
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ground_item = pygame.sprite.spritecollideany(self.player,self.ground_items_group)
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brick = pygame.sprite.spritecollideany(self.player, self.brick_group)
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box = pygame.sprite.spritecollideany(self.player, self.box_group)
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enemy = pygame.sprite.spritecollideany(self.player, self.enemy_group)
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if brick and box: # 判断离哪个砖块进哪个顶起
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to_brick = abs(self.player.rect.centerx - brick.rect.centerx)
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to_box = abs(self.player.rect.centerx - box.rect.centerx)
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if to_brick > to_box:
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brick = None
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else:
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box = None
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if ground_item:
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self.adjust_player_y(ground_item)
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elif brick:
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self.adjust_player_y(brick)
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elif box:
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self.adjust_player_y(box)
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elif enemy:
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self.enemy_group.remove(enemy)
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if enemy.name == 'koopa':
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self.shell_group.add(enemy) # 龟壳状态进龟壳组
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else:
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self.dying_group.add(enemy) # 由敌人组 → 死亡组
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if self.player.y_vel < 0:
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how = 'bumped'
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else:
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how = 'trampled'
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self.player.state = 'jump'
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self.player.rect.bottom = enemy.rect.top
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self.player.y_vel = self.player.jump_vel * 0.8 # 力道
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enemy.go_die(how)
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self.check_will_fall(self.player) # 坠落检测
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def adjust_player_x(self,sprite):
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if self.player.rect.x < sprite.rect.x:
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self.player.rect.right = sprite.rect.left # 重置位置为最左边
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else:
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self.player.rect.left = sprite.rect.right
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self.player.x_vel = 0
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def adjust_player_y(self,sprite):
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if self.player.rect.bottom < sprite.rect.bottom:
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self.player.y_vel = 0
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self.player.rect.bottom = sprite.rect.top
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self.player.state = 'walk'
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else:
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self.player.y_vel = 7
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self.player.rect.top = sprite.rect.bottom
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self.player.state = 'fall'
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if sprite.name == 'box':
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if sprite.state == 'rest':
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sprite.go_bumped()
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if sprite.name == 'brick':
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if sprite.state == 'rest':
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sprite.go_bumped()
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def check_will_fall(self,sprite):
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sprite.rect.y += 1 # 下落一个像素
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check_group = pygame.sprite.Group(self.ground_items_group,self.brick_group,self.box_group) # 检测是否碰撞
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collided_sprite = pygame.sprite.spritecollideany(sprite,check_group)
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if not collided_sprite and sprite.state != 'jump': # 如果没有或者处于跳起则不坠落
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sprite.state = 'fall'
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sprite.rect.y -= 1
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def update_game_window(self):
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third = self.game_window.x + self.game_window.width/3
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if self.player.x_vel > 0 and self.player.rect.centerx > third and self.game_window.right < self.end_x: # 判断移动
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self.game_window.x += self.player.x_vel # 用窗口更新代替主角移动
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self.start_x = self.game_window.x
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def draw(self, surface):
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self.game_ground.blit(self.background,self.game_window,self.game_window)
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self.game_ground.blit(self.player.image,self.player.rect) # 将背景与人物化境
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self.brick_group.draw(self.game_ground)
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self.box_group.draw(self.game_ground)
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self.enemy_group.draw(self.game_ground)
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self.dying_group.draw(self.game_ground)
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self.shell_group.draw(self.game_ground)
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self.coin_group.draw(self.game_ground)
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self.powerup_group.draw(self.game_ground)
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surface.blit(self.game_ground,(0,0), self.game_window) # 渲染
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self.info.draw(surface)
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def check_checkpoints(self):
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checkpoint = pygame.sprite.spritecollideany(self.player,self.checkpoint_group)
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if checkpoint:
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if checkpoint.checkpoint_type == 0: # checkpoint for enemy appearance # 如果检查点类型为0 释放对应敌人
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self.enemy_group.add(self.enemy_group_dict[str(checkpoint.enemy_groupid)]) # 一旦某个点被触发就把对应敌人放入此组
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checkpoint.kill() # 被触碰后消失
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def check_if_go_die(self):
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if self.player.rect.y > C.SCREEN_H:
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self.player.go_die() # 判断是否掉落屏幕外
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def update_game_info(self):
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if self.player.dead:
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self.game_info['lives'] -= 1
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if self.game_info['lives'] == 0:
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self.next = 'game_over'
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else:
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self.next = 'load_screen' |
