import math import threading import time from dataclasses import dataclass from ..chat.config import global_config from src.common.logger import get_module_logger logger = get_module_logger("mood_manager") @dataclass class MoodState: valence: float # 愉悦度 (-1 到 1) arousal: float # 唤醒度 (0 到 1) text: str # 心情文本描述 class MoodManager: _instance = None _lock = threading.Lock() def __new__(cls): with cls._lock: if cls._instance is None: cls._instance = super().__new__(cls) cls._instance._initialized = False return cls._instance def __init__(self): # 确保初始化代码只运行一次 if self._initialized: return self._initialized = True # 初始化心情状态 self.current_mood = MoodState(valence=0.0, arousal=0.5, text="平静") # 从配置文件获取衰减率 self.decay_rate_valence = 1 - global_config.mood_decay_rate # 愉悦度衰减率 self.decay_rate_arousal = 1 - global_config.mood_decay_rate # 唤醒度衰减率 # 上次更新时间 self.last_update = time.time() # 线程控制 self._running = False self._update_thread = None # 情绪词映射表 (valence, arousal) self.emotion_map = { "happy": (0.8, 0.6), # 高愉悦度，中等唤醒度 "angry": (-0.7, 0.7), # 负愉悦度，高唤醒度 "sad": (-0.6, 0.3), # 负愉悦度，低唤醒度 "surprised": (0.4, 0.8), # 中等愉悦度，高唤醒度 "disgusted": (-0.8, 0.5), # 高负愉悦度，中等唤醒度 "fearful": (-0.7, 0.6), # 负愉悦度，高唤醒度 "neutral": (0.0, 0.5), # 中性愉悦度，中等唤醒度 } # 情绪文本映射表 self.mood_text_map = { # 第一象限：高唤醒，正愉悦 (0.5, 0.7): "兴奋", (0.3, 0.8): "快乐", (0.2, 0.65): "满足", # 第二象限：高唤醒，负愉悦 (-0.5, 0.7): "愤怒", (-0.3, 0.8): "焦虑", (-0.2, 0.65): "烦躁", # 第三象限：低唤醒，负愉悦 (-0.5, 0.3): "悲伤", (-0.3, 0.35): "疲倦", (-0.4, 0.15): "疲倦", # 第四象限：低唤醒，正愉悦 (0.2, 0.45): "平静", (0.3, 0.4): "安宁", (0.5, 0.3): "放松", } @classmethod def get_instance(cls) -> "MoodManager": """获取MoodManager的单例实例""" if cls._instance is None: cls._instance = MoodManager() return cls._instance def start_mood_update(self, update_interval: float = 1.0) -> None: """ 启动情绪更新线程 :param update_interval: 更新间隔（秒） """ if self._running: return self._running = True self._update_thread = threading.Thread( target=self._continuous_mood_update, args=(update_interval,), daemon=True ) self._update_thread.start() def stop_mood_update(self) -> None: """停止情绪更新线程""" self._running = False if self._update_thread and self._update_thread.is_alive(): self._update_thread.join() def _continuous_mood_update(self, update_interval: float) -> None: """ 持续更新情绪状态的线程函数 :param update_interval: 更新间隔（秒） """ while self._running: self._apply_decay() self._update_mood_text() time.sleep(update_interval) def _apply_decay(self) -> None: """应用情绪衰减""" current_time = time.time() time_diff = current_time - self.last_update # Valence 向中性（0）回归 valence_target = 0.0 self.current_mood.valence = valence_target + (self.current_mood.valence - valence_target) * math.exp( -self.decay_rate_valence * time_diff ) # Arousal 向中性（0.5）回归 arousal_target = 0.5 self.current_mood.arousal = arousal_target + (self.current_mood.arousal - arousal_target) * math.exp( -self.decay_rate_arousal * time_diff ) # 确保值在合理范围内 self.current_mood.valence = max(-1.0, min(1.0, self.current_mood.valence)) self.current_mood.arousal = max(0.0, min(1.0, self.current_mood.arousal)) self.last_update = current_time def update_mood_from_text(self, text: str, valence_change: float, arousal_change: float) -> None: """根据输入文本更新情绪状态""" self.current_mood.valence += valence_change self.current_mood.arousal += arousal_change # 限制范围 self.current_mood.valence = max(-1.0, min(1.0, self.current_mood.valence)) self.current_mood.arousal = max(0.0, min(1.0, self.current_mood.arousal)) self._update_mood_text() def set_mood_text(self, text: str) -> None: """直接设置心情文本""" self.current_mood.text = text def _update_mood_text(self) -> None: """根据当前情绪状态更新文本描述""" closest_mood = None min_distance = float("inf") for (v, a), text in self.mood_text_map.items(): distance = math.sqrt((self.current_mood.valence - v) ** 2 + (self.current_mood.arousal - a) ** 2) if distance < min_distance: min_distance = distance closest_mood = text if closest_mood: self.current_mood.text = closest_mood def update_mood_by_user(self, user_id: str, valence_change: float, arousal_change: float) -> None: """根据用户ID更新情绪状态""" # 这里可以根据用户ID添加特定的权重或规则 weight = 1.0 # 默认权重 self.current_mood.valence += valence_change * weight self.current_mood.arousal += arousal_change * weight # 限制范围 self.current_mood.valence = max(-1.0, min(1.0, self.current_mood.valence)) self.current_mood.arousal = max(0.0, min(1.0, self.current_mood.arousal)) self._update_mood_text() def get_prompt(self) -> str: """根据当前情绪状态生成提示词""" base_prompt = f"当前心情：{self.current_mood.text}。" # 根据情绪状态添加额外的提示信息 if self.current_mood.valence > 0.5: base_prompt += "你现在心情很好，" elif self.current_mood.valence < -0.5: base_prompt += "你现在心情不太好，" if self.current_mood.arousal > 0.7: base_prompt += "情绪比较激动。" elif self.current_mood.arousal < 0.3: base_prompt += "情绪比较平静。" return base_prompt def get_current_mood(self) -> MoodState: """获取当前情绪状态""" return self.current_mood def print_mood_status(self) -> None: """打印当前情绪状态""" logger.info( f"[情绪状态]愉悦度: {self.current_mood.valence:.2f}, " f"唤醒度: {self.current_mood.arousal:.2f}, " f"心情: {self.current_mood.text}" ) def update_mood_from_emotion(self, emotion: str, intensity: float = 1.0) -> None: """ 根据情绪词更新心情状态 :param emotion: 情绪词（如'happy', 'sad'等） :param intensity: 情绪强度（0.0-1.0） """ if emotion not in self.emotion_map: return valence_change, arousal_change = self.emotion_map[emotion] # 应用情绪强度 valence_change *= intensity arousal_change *= intensity # 更新当前情绪状态 self.current_mood.valence += valence_change self.current_mood.arousal += arousal_change # 限制范围 self.current_mood.valence = max(-1.0, min(1.0, self.current_mood.valence)) self.current_mood.arousal = max(0.0, min(1.0, self.current_mood.arousal)) self._update_mood_text()