from ..components import info import pygame from .. import tools, setup from .. import constants as C from .. components import player,stuff,brick,box,enemy import os import json class Level: def start(self,game_info): self.game_info = game_info self.finished = False self.next = 'game_over' self.info = info.Info('level',self.game_info) self.load_map_data() self.setup_background() self.setup_start_positions() self.setup_player() self.setup_ground_items() self.setup_bricks_and_boxes() self.setup_enemies() def load_map_data(self): file_name = 'level_1.json' file_path = os.path.join('source/data/maps',file_name) with open(file_path) as f: self.map_data = json.load(f) def setup_background(self): self.image_name = self.map_data['image_name'] self.background = setup.GRAPHICS[self.image_name] rect = self.background.get_rect() self.background = pygame.transform.scale(self.background,(int(rect.width * C.BG_MULTI), int(rect.height * C.BG_MULTI))) self.background_rect = self.background.get_rect() self.game_window = setup.SCREEN.get_rect() self.game_ground = pygame.Surface((self.background_rect.width,self.background_rect.height)) def setup_start_positions(self): self.positions = [] for data in self.map_data['maps']: self.positions.append((data['start_x'],data['end_x'],data['player_x'],data['player_y'])) self.start_x,self.end_x,self.player_x,self.player_y = self.positions[0] def setup_player(self): self.player = player.Player('mario') self.player.rect.x = self.game_window.x + self.player_x self.player.rect.bottom = self.player_y def setup_ground_items(self): self.ground_items_group = pygame.sprite.Group() # 组存放多个精灵类，方便处理 for name in ['ground','pipe','step']: for item in self.map_data[name]: self.ground_items_group.add(stuff.Item(item['x'],item['y'],item['width'],item['height'],name)) def setup_bricks_and_boxes(self): self.brick_group = pygame.sprite.Group() self.box_group = pygame.sprite.Group() if'brick' in self.map_data: for brick_data in self.map_data['brick']: # 遍历得到x，y坐标以及type x,y = brick_data['x'],brick_data['y'] brick_type = brick_data['type'] if 'brick_num' in brick_data: #TODO Batch bricks pass else: self.brick_group.add(brick.Brick(x,y,brick_type)) if 'box' in self.map_data: for box_data in self.map_data['box']: # 遍历得到x，y坐标以及type x, y = box_data['x'], box_data['y'] box_type = box_data['type'] self.brick_group.add(box.Box(x, y, box_type)) def setup_enemies(self): self.enemy_group_dict = {} for enemy_group_data in self.map_data['enemy']: # 字典存放 group = pygame.sprite.Group() for enemy_group_id,enemy_list in enemy_group_data.items(): for enemy_data in enemy_list: group.add(enemy.create_enemy(enemy_data)) # 调用 ce self.enemy_group_dict[enemy_group_id] = group def update(self, surface, keys): self.current_time = pygame.time.get_ticks() self.player.update(keys) if self.player.dead: if self.current_time - self.player.death_timer > 3000: self.finished = True self.update_game_info() else: self.update_player_position() self.check_if_go_die() self.update_game_window() self.info.update() self.brick_group.update() self.box_group.update() for enemy_group in self.enemy_group_dict.values(): enemy_group.update() self.draw(surface) def update_player_position(self): # x判定 self.player.rect.x += self.player.x_vel if self.player.rect.x < self.start_x: self.player.rect.x = self.start_x elif self.player.rect.right > self.end_x: self.player.rect.right = self.end_x self.check_x_collisions() # y判定 self.player.rect.y += self.player.y_vel self.check_y_collisions() def check_x_collisions(self): # x方向 check_group = pygame.sprite.Group(self.ground_items_group,self.brick_group,self.box_group) collided_sprite = pygame.sprite.spritecollideany(self.player,check_group) # 检测碰撞 if collided_sprite: self.adjust_player_x(collided_sprite) def check_y_collisions(self): # y方向 check_group = pygame.sprite.Group(self.ground_items_group, self.brick_group,self.box_group) collided_sprite = pygame.sprite.spritecollideany(self.player, check_group) # 检测碰撞 if collided_sprite: self.adjust_player_y( collided_sprite) self.check_will_fall(self.player) # 坠落检测 def adjust_player_x(self,sprite): if self.player.rect.x < sprite.rect.x: self.player.rect.right = sprite.rect.left # 重置位置为最左边 else: self.player.rect.left = sprite.rect.right self.player.x_vel = 0 def adjust_player_y(self,sprite): if self.player.rect.bottom < sprite.rect.bottom: self.player.y_vel = 0 self.player.rect.bottom = sprite.rect.top self.player.state = 'walk' else: self.player.y_vel = 7 self.player.rect.top = sprite.rect.bottom self.player.state = 'fall' def check_will_fall(self,sprite): sprite.rect.y += 1 # 下落一个像素 check_group = pygame.sprite.Group(self.ground_items_group,self.brick_group,self.box_group) # 检测是否碰撞 collided_sprite = pygame.sprite.spritecollideany(sprite,check_group) if not collided_sprite and sprite.state != 'jump' : # 如果没有或者处于跳起则不坠落 sprite.state = 'fall' sprite.rect.y -= 1 def update_game_window(self): third = self.game_window.x + self.game_window.width/3 if self.player.x_vel > 0 and self.player.rect.centerx > third and self.game_window.right < self.end_x: # 判断移动 self.game_window.x += self.player.x_vel # 用窗口更新代替主角移动 self.start_x = self.game_window.x def draw(self, surface): self.game_ground.blit(self.background,self.game_window,self.game_window) self.game_ground.blit(self.player.image,self.player.rect) # 将背景与人物化境 self.brick_group.draw(self.game_ground) self.box_group.draw(self.game_ground) for enemy_group in self.enemy_group_dict.values(): enemy_group.draw(self.game_ground) surface.blit(self.game_ground,(0,0), self.game_window) # 渲染 self.info.draw(surface) def check_if_go_die(self): if self.player.rect.y > C.SCREEN_H: self.player.go_die() # 判断是否掉落屏幕外 def update_game_info(self): if self.player.dead: self.game_info['lives'] -= 1 if self.game_info['lives'] == 0: self.next = 'game_over' else: self.next = 'load_screen'