using Cinemachine;
using EasyInject.Attributes;
using UnityEngine;
/// <summary>
/// 相机的跟随
/// </summary>
[GameObjectBean]
public class CameraFollow : MonoBehaviour
{
    [Header("上下偏移")]
    public float y;
    [Header("左右偏移")]
    public float z;
    public float speed = 120;
    [Autowired]
    private CameraManage cameraManage;
    public CinemachineVirtualCamera virtualCamera;
    /// <summary>
    /// 主要控制旋转的句柄
    /// </summary>
    private GameObject target;
    private void Update()
    {
        mouseRoundRoller();
    }
    void mouseRoundRoller()
    {
        if(target == null)
        {
            return;
        }
        //不得当前活动相机返回
        if (!CinemachineCore.Instance.IsLive(virtualCamera))
        {
            return;
        }
        if (Input.GetMouseButton(0)) // 检查鼠标左键是否按下
        {
            // 根据鼠标移动量调整旋转角度
            float mouseX = Input.GetAxis("Mouse X") * speed * Time.deltaTime;
            float y = target.transform.rotation.eulerAngles.y;
            y -= mouseX;
            // 应用新的旋转角度
            target.transform.rotation = Quaternion.Euler(0, y, 0);
            //transform.position = transform.position - transform.forward;
        }

    }
    public void OnEnter(CinemachineVirtualCamera cinemachineCamera)
    {
        cinemachineCamera.LookAt = transform;
        cinemachineCamera.Follow = transform;
        CinemachineTransposer transposer = cinemachineCamera.GetCinemachineComponent<CinemachineTransposer>();
        if (transposer != null )
        {
            cameraManage.IsPlaying = false;
            transposer.m_FollowOffset.y = y;
            transposer.m_FollowOffset.z = z;
            ICinemachineCamera cinemachine = cameraManage.GetMaxPriorityCamera();
            cinemachineCamera.Priority = cinemachine.Priority +1;
            cinemachine.Priority = 0;

        }
    }
    public void OnEnter()
    {
        if (target == null)
        {
            target = new GameObject(name + "_camera");
            target.transform.parent = transform;
            target.transform.localPosition = Vector3.zero;
        }
        virtualCamera.LookAt = target.transform;
        virtualCamera.Follow = target.transform;
        CinemachineTransposer transposer = virtualCamera.GetCinemachineComponent<CinemachineTransposer>();
        if (transposer != null)
        {
           cameraManage.IsPlaying = false;
            //cameraManage.playable.Stop();
            transposer.m_FollowOffset.y = y;
            transposer.m_FollowOffset.z = z;
            ICinemachineCamera cinemachine = cameraManage.GetMaxPriorityCamera();
            int back = cinemachine.Priority;
            Debug.LogWarning("相机切换="+transform.name);
            virtualCamera.Priority = cinemachine.Priority + 1;
            cinemachine.Priority = 0;
        }
    }

}