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"""
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对话系统
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create by 狡猾的皮球
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qq:871245007
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2020年2月11日 13:46:55
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"""
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import json
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import pygame
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from code.engine.sprite import Sprite, draw_src_outline_text, draw_rect_text
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from code.game_global import g
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class TalkManager:
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"""
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游戏对话管理器
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"""
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def __init__(self, surface):
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self.surface = surface # 渲染对话的surface
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self.switch = False # 对话系统开关
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self.all_talk = dict() # 游戏中的所有对话
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self.talk_id = -1 # 对话id
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self.talk_count = -1 # 对话进度
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self.talk_script = None # 对话脚本
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self.talk_length = -1 # 对话长度
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self.face_img = None # 头像
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self.current_text = "" # 当前对话的完整文字
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self.current_show_text = "" # 当前显示的文字
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# 显示文字的速度，10字/秒
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self.show_speed = 10 / g.fps
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self.show_count = 0
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# 头像绘制坐标
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self.face_x = 0
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self.face_y = 0
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# 对话框绘制坐标
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self.box_x = 0
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self.box_y = 0
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# 对话框宽度尺寸
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self.box_width = 350
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self.box_height = 150
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# 加载所有对话文件
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self.load()
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def load(self):
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"""
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加载所有对话
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"""
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with open('./resource/talk/total_talk.txt', 'r', encoding='utf8') as file:
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talk_id_list = file.readlines()
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talk_id_list = [line.split("'")[0].replace('\n', '') for line in talk_id_list]
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for talk_id in talk_id_list:
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with open(f'./resource/talk/{talk_id}.json', 'r', encoding='utf8') as file:
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self.all_talk[int(talk_id)] = json.loads(file.read())
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def reset(self):
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"""
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重置对话管理器
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"""
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self.switch = False # 对话系统开关
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self.talk_id = -1 # 对话id
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self.talk_count = -1 # 对话进度
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self.talk_script = None # 对话脚本
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self.talk_length = -1 # 对话长度
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self.current_text = "" # 当前对话的完整文字
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self.current_show_text = "" # 当前显示的文字
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self.show_count = 0 # 逐字计数
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def start(self, talk_id):
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"""
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开始一个新对话
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"""
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self.talk_id = talk_id
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self.talk_script = self.all_talk[talk_id]
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self.talk_length = len(self.talk_script)
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self.switch = True
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self.talk()
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def get_cur_info(self):
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"""
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获取当前对话框以及头像位置信息
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"""
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current_data = self.talk_script[self.talk_count]
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self.current_text = current_data["text"]
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self.current_show_text = ""
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self.show_count = 0
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# 加载头像
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if current_data["face"] != -1:
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self.face_img = pygame.image.load(f'./resource/PicLib/all_face/{current_data["face"]}.png').convert_alpha()
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face_w = self.face_img.get_width()
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face_h = self.face_img.get_height()
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else:
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# 如果没有头像，对话框就在窗口中间显示
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face_w = 200
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face_h = 250
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# 在窗口最底部显示对话框
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self.face_y = 480 - face_h
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self.box_y = 480 - self.box_height
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# 判断头像方向
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if current_data["dir"] == "left":
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self.face_x = 0
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self.box_x = face_w
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elif current_data["dir"] == "right":
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self.face_x = 640 - face_w
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self.box_x = self.face_x - self.box_width
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def talk(self):
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"""
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对话
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"""
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if not self.switch:
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return
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# 更新对话进度
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self.talk_count += 1
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if self.talk_count >= self.talk_length:
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self.reset()
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return
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# 获取当前对话信息
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self.get_cur_info()
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# TODO:触发事件
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pass
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def logic(self):
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"""
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逐字显示逻辑
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"""
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if not self.switch:
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return
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if self.current_show_text == self.current_text:
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return
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self.current_show_text = self.current_text[:int(self.show_count) + 1]
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self.show_count += self.show_speed
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if int(self.show_count) >= len(self.current_text):
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self.show_count = len(self.current_text) - 1
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def render(self):
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"""
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渲染对话框
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"""
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if not self.switch:
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return
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# 画头像
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if self.talk_script[self.talk_count]["face"] != -1:
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Sprite.blit(g.screen, self.face_img, self.face_x, self.face_y)
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# 画对话框
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Sprite.draw_fill_rect(g.screen, self.box_x, self.box_y, self.box_width, self.box_height, (0, 0, 0, 210))
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# 画名字
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draw_src_outline_text(g.screen, self.box_x + 10, self.box_y + 5,
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self.talk_script[self.talk_count]["name"] + "：",
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g.fnt_talk, (255, 255, 255), (255, 127, 39))
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# 画文字
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draw_rect_text(g.screen, (255, 255, 255), self.current_show_text, g.fnt_talk, self.box_x + 10, self.box_y + 30,
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self.box_width - 25)
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def talk_next(self):
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"""
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继续对话
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"""
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if not self.switch:
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return
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if self.current_show_text != self.current_text:
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self.current_show_text = self.current_text
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else:
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self.talk()
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