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from stable_baselines3 import PPO
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from src.environment.dizhu_env import DouDiZhuEnv # 导入斗地主环境
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import torch
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from configs.log_config import setup_logging
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from loguru import logger # 添加 logger
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def train_dizhu_model():
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# 创建 DouDiZhuEnv 环境实例
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env = DouDiZhuEnv()
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# 检查是否有可用的 GPU
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device = "cuda" if torch.cuda.is_available() else "cpu"
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logger.info(f"使用设备: {device}") # 使用 logger 记录设备信息
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# 使用 PPO 算法训练模型,设置为 MultiInputPolicy
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model = PPO(
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"MultiInputPolicy", # 适用于多输入的策略
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env,
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verbose=1,
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tensorboard_log="../logs/ppo_doudizhu_tensorboard/", # TensorBoard 日志路径
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device=device
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)
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# 训练模型,设定总训练步数
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logger.info("开始训练斗地主模型...")
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model.learn(total_timesteps=100000) # 总训练步数
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logger.info("斗地主模型训练完成!")
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# 保存训练后的模型
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model_path = "../models/ppo_doudizhu_model"
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model.save(model_path)
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logger.info(f"模型已保存到 '{model_path}'")
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# 测试模型
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logger.info("开始测试斗地主模型...")
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obs = env.reset()
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done = False
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while not done:
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action, _states = model.predict(obs) # 使用训练好的模型来选择动作
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obs, reward, done, info = env.step(action) # 执行动作
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logger.info(f"动作: {action}, 奖励: {reward}, 是否结束: {done}, 信息: {info}") # 记录测试过程
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if __name__ == "__main__":
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# 设置日志
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setup_logging()
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train_dizhu_model()
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