创建新工程
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moyin
258
scripts/DialogueHistoryManager.gd
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258
scripts/DialogueHistoryManager.gd
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extends Node
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class_name DialogueHistoryManager
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## 对话历史管理器
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## 负责保存、加载和管理对话历史记录
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# 历史记录存储
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var dialogue_histories: Dictionary = {} # character_id -> Array[Dictionary]
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var max_history_per_character: int = 100
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var history_file_path: String = "user://dialogue_history.json"
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# 信号
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signal history_loaded()
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signal history_saved()
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func _ready():
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"""初始化对话历史管理器"""
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load_history()
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print("DialogueHistoryManager initialized")
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## 添加消息到历史记录
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func add_message_to_history(character_id: String, sender: String, message: String, timestamp: float = 0.0) -> void:
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"""
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添加消息到指定角色的对话历史
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@param character_id: 角色ID
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@param sender: 发送者（"player" 或角色ID）
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@param message: 消息内容
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@param timestamp: 时间戳（0表示使用当前时间）
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"""
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if timestamp <= 0:
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timestamp = Time.get_unix_time_from_system()
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# 确保角色历史记录存在
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if not dialogue_histories.has(character_id):
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dialogue_histories[character_id] = []
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var history = dialogue_histories[character_id]
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# 创建消息记录
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var message_record = {
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"sender": sender,
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"message": message,
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"timestamp": timestamp,
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"id": generate_message_id()
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}
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# 添加到历史记录
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history.append(message_record)
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# 限制历史记录长度
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if history.size() > max_history_per_character:
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history.pop_front()
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# 自动保存（异步）
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call_deferred("save_history")
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## 获取角色的对话历史
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func get_character_history(character_id: String, limit: int = 0) -> Array[Dictionary]:
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"""
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获取指定角色的对话历史
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@param character_id: 角色ID
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@param limit: 限制返回的消息数量（0表示返回全部）
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@return: 消息历史数组
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"""
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if not dialogue_histories.has(character_id):
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return []
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var history = dialogue_histories[character_id]
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if limit <= 0 or limit >= history.size():
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return history.duplicate()
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# 返回最近的消息
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return history.slice(history.size() - limit, history.size())
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## 获取最近的对话记录
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func get_recent_conversations(limit: int = 10) -> Array[Dictionary]:
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"""
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获取最近的对话记录（按时间排序）
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@param limit: 限制返回的对话数量
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@return: 最近对话的摘要数组
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"""
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var recent_conversations = []
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for character_id in dialogue_histories:
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var history = dialogue_histories[character_id]
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if history.size() > 0:
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var last_message = history[-1] # 最后一条消息
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recent_conversations.append({
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"character_id": character_id,
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"last_message": last_message.message,
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"last_sender": last_message.sender,
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"timestamp": last_message.timestamp,
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"message_count": history.size()
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})
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# 按时间戳排序（最新的在前）
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recent_conversations.sort_custom(func(a, b): return a.timestamp > b.timestamp)
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# 限制数量
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if limit > 0 and recent_conversations.size() > limit:
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recent_conversations = recent_conversations.slice(0, limit)
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return recent_conversations
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## 搜索对话历史
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func search_messages(query: String, character_id: String = "") -> Array[Dictionary]:
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"""
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在对话历史中搜索消息
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@param query: 搜索关键词
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@param character_id: 指定角色ID（空字符串表示搜索所有角色）
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@return: 匹配的消息数组
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"""
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var results = []
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var search_query = query.to_lower()
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var characters_to_search = []
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if character_id.is_empty():
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characters_to_search = dialogue_histories.keys()
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else:
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characters_to_search = [character_id]
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for char_id in characters_to_search:
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if not dialogue_histories.has(char_id):
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continue
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var history = dialogue_histories[char_id]
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for message_record in history:
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if message_record.message.to_lower().contains(search_query):
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var result = message_record.duplicate()
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result["character_id"] = char_id
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results.append(result)
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# 按时间戳排序（最新的在前）
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results.sort_custom(func(a, b): return a.timestamp > b.timestamp)
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return results
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## 清除角色的对话历史
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func clear_character_history(character_id: String) -> void:
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"""
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清除指定角色的对话历史
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@param character_id: 角色ID
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"""
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if dialogue_histories.has(character_id):
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dialogue_histories.erase(character_id)
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save_history()
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## 清除所有对话历史
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func clear_all_history() -> void:
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"""清除所有对话历史"""
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dialogue_histories.clear()
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save_history()
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## 保存历史记录到文件
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func save_history() -> void:
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"""保存对话历史到本地文件"""
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var file = FileAccess.open(history_file_path, FileAccess.WRITE)
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if file:
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var json_string = JSON.stringify(dialogue_histories)
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file.store_string(json_string)
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file.close()
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history_saved.emit()
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print("Dialogue history saved")
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else:
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print("Failed to save dialogue history")
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## 从文件加载历史记录
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func load_history() -> void:
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"""从本地文件加载对话历史"""
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if not FileAccess.file_exists(history_file_path):
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print("No dialogue history file found, starting fresh")
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return
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var file = FileAccess.open(history_file_path, FileAccess.READ)
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if file:
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var json_string = file.get_as_text()
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file.close()
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var json = JSON.new()
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var parse_result = json.parse(json_string)
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if parse_result == OK:
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dialogue_histories = json.data
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history_loaded.emit()
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print("Dialogue history loaded: ", dialogue_histories.size(), " characters")
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else:
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print("Failed to parse dialogue history JSON")
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else:
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print("Failed to open dialogue history file")
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## 生成消息ID
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func generate_message_id() -> String:
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"""生成唯一的消息ID"""
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var timestamp = Time.get_unix_time_from_system()
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var random = randi()
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return "msg_%d_%d" % [timestamp, random]
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## 获取统计信息
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func get_statistics() -> Dictionary:
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"""
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获取对话历史统计信息
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@return: 统计信息字典
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"""
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var total_messages = 0
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var total_characters = dialogue_histories.size()
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var oldest_message_time = 0.0
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var newest_message_time = 0.0
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for character_id in dialogue_histories:
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var history = dialogue_histories[character_id]
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total_messages += history.size()
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if history.size() > 0:
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var first_msg_time = history[0].timestamp
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var last_msg_time = history[-1].timestamp
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if oldest_message_time == 0.0 or first_msg_time < oldest_message_time:
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oldest_message_time = first_msg_time
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if newest_message_time == 0.0 or last_msg_time > newest_message_time:
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newest_message_time = last_msg_time
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return {
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"total_messages": total_messages,
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"total_characters": total_characters,
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"oldest_message_time": oldest_message_time,
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"newest_message_time": newest_message_time,
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"file_path": history_file_path
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}
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## 导出历史记录
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func export_history(export_path: String, character_id: String = "") -> bool:
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"""
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导出对话历史到指定文件
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@param export_path: 导出文件路径
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@param character_id: 指定角色ID（空字符串表示导出所有）
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@return: 是否成功
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"""
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var export_data = {}
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if character_id.is_empty():
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export_data = dialogue_histories
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elif dialogue_histories.has(character_id):
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export_data[character_id] = dialogue_histories[character_id]
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else:
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print("Character not found: ", character_id)
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return false
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var file = FileAccess.open(export_path, FileAccess.WRITE)
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if file:
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var json_string = JSON.stringify(export_data)
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file.store_string(json_string)
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file.close()
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print("History exported to: ", export_path)
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return true
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else:
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print("Failed to export history to: ", export_path)
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return false
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