NLDClient-yudde/ProjectNLD/Assets/Code/Scripts/Framework/Input/InputManager.cs

using System;
using Framework;
using PhxhSDK;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.InputSystem;
using UnityEngine.InputSystem.Controls;
using UnityEngine.InputSystem.EnhancedTouch;
using Touch = UnityEngine.InputSystem.EnhancedTouch.Touch;


public class InputManager : SingletonMono<InputManager>

{
    public delegate void OnFingerMoveEvent(Vector2 delta);

    public delegate void OnFingerUpEvent(Vector2 screenPosition);

    public delegate void OnFingersMoveEvent(float delta);

    public OnFingerMoveEvent OnFingerMove;
    public OnFingerMoveEvent OnFingerMoveUI;

    public OnFingerUpEvent OnFingerUp;
    public OnFingerUpEvent OnFingerUpUI;
    public OnFingerUpEvent OnClick;

    public OnFingersMoveEvent OnFingersMove;


    private bool handledThisFrame;
    
    private bool isOverUI = false;

    public bool IsOverUI => isOverUI;


# if UNITY_STANDALONE || UNITY_EDITOR
    private float moveDelta = 2f;
    private bool isMousePressedLastFrame;
    private bool isMouseMovedSincePressed;
    private Vector2 lastMousePosition;
    private ButtonControl mouseButtonAsFinger;
    private bool isMosuePressUI;
#endif

    private void Awake()
    {
        DontDestroyOnLoad(gameObject);
        var eventSystem = FindObjectOfType<EventSystem>();
        if (eventSystem == null)
        {
            DebugUtil.LogError($"找不到EventSystem！");
            return;
        }
        DontDestroyOnLoad(eventSystem.gameObject);
    }

    private void OnEnable()

    {
        EnhancedTouchSupport.Enable();


        Touch.onFingerMove += _OnFingerMove;


        Touch.onFingerUp += _OnFingerUp;


# if UNITY_STANDALONE || UNITY_EDITOR

        mouseButtonAsFinger = Mouse.current.leftButton;
#endif
    }


    private void OnDisable()

    {
        Touch.onFingerMove -= _OnFingerMove;


        Touch.onFingerUp -= _OnFingerUp;


        EnhancedTouchSupport.Disable();
    }

    

    private void Update()
    {
        isOverUI = IsPointerOverUI();
        //CheckIsBackKeyDown();
        
# if UNITY_STANDALONE || UNITY_EDITOR
        if (IsPointerOverUI() && mouseButtonAsFinger.isPressed && !isMousePressedLastFrame)
        {
            isMosuePressUI = true;
        }

        if (!IsPointerOverUI() && !mouseButtonAsFinger.isPressed)
        {
            isMosuePressUI = false;
        }


        var currentMouse = Mouse.current;

        if (isMousePressedLastFrame && mouseButtonAsFinger.isPressed)
        {
            var delta = currentMouse.position.ReadValue() - lastMousePosition;

            isMouseMovedSincePressed |= delta.sqrMagnitude > float.Epsilon;


            if (IsPointerOverUI() || isMosuePressUI)
            {
                OnFingerMoveUI?.Invoke(delta);
            }
            else
            {
                OnFingerMove?.Invoke(delta);
            }
        }


        if (!IsPointerOverUI() && !isMosuePressUI)
        {
            if (isMousePressedLastFrame && !mouseButtonAsFinger.isPressed)
            {
                if (!isMouseMovedSincePressed)
                {
                    OnClick?.Invoke(currentMouse.position.ReadValue());
                }

                OnFingerUp?.Invoke(currentMouse.position.ReadValue());
                isMouseMovedSincePressed = false;
            }
        }

        if (IsPointerOverUI())
        {
            if (isMousePressedLastFrame && !mouseButtonAsFinger.isPressed)
            {
                OnFingerUpUI?.Invoke(currentMouse.position.ReadValue());
                isMouseMovedSincePressed = false;
            }
        }


        // cache mouse state for next frame

        isMousePressedLastFrame = mouseButtonAsFinger.isPressed;

        if (isMousePressedLastFrame)

        {
            lastMousePosition = currentMouse.position.ReadValue();
        }


        if (Mouse.current.scroll.ReadValue().y != 0)

        {
            OnFingersMove?.Invoke(Mouse.current.scroll.ReadValue().y);
        }

        if (Keyboard.current.aKey.isPressed)
        {
            OnFingerMove?.Invoke(new Vector2(m