using UnityEngine;
using UnityEngine.EventSystems;

namespace LE_LevelEditor.LEInput
{
	public class LE_InputDeviceMouse : LE_InputDeviceBase
	{
		private const float MOUSE_WHEEL_SENSITIVITY = 20f;

		private const float MOVE_SPEED_SHIFT_FACTOR = 4f;

		private const float MOVE_SPEED_CTRL_FACTOR = 0.2f;

		private Vector3 m_mouseLookStart = Vector3.zero;

		private Vector3 m_lastMousePosition = Vector3.zero;

		private float m_lastTouchTime = -100f;

		public LE_InputDeviceMouse(LE_IInputHandler p_inputHandler)
			: base(p_inputHandler)
		{
			m_lastMousePosition = Input.mousePosition;
		}

		public override void Update()
		{
			if (!FisheryEditor.Instance.allowKeyboardInput)
			{
				return;
			}
			bool flag = Input.GetKey(KeyCode.LeftAlt) || Input.GetKey(KeyCode.RightAlt) || Input.GetKey(KeyCode.AltGr);
			if (Input.touchCount != 0)
			{
				m_lastTouchTime = Time.realtimeSinceStartup;
				m_lastMousePosition = Input.mousePosition;
				return;
			}
			if (Time.realtimeSinceStartup - m_lastTouchTime <= 1f)
			{
				m_lastMousePosition = Input.mousePosition;
				return;
			}
			if (m_lastMousePosition != Input.mousePosition)
			{
				m_inputHandler.SetCursorPosition(Input.mousePosition);
			}
			m_inputHandler.SetIsCursorAction(Input.GetMouseButton(0) && !flag);
			if (Input.GetMouseButton(1) || (flag && Input.GetMouseButton(0)))
			{
				if (m_mouseLookStart.sqrMagnitude == 0f)
				{
					m_mouseLookStart = Input.mousePosition;
				}
				else if ((m_mouseLookStart - Input.mousePosition).magnitude > 0.0001f)
				{
					if (flag)
					{
						m_inputHandler.RotateCameraAroundPivot(Input.mousePosition, m_mouseLookStart);
					}
					else
					{
						m_inputHandler.RotateCamera(Input.mousePosition, m_mouseLookStart);
					}
					m_mouseLookStart = Input.mousePosition;
				}
			}
			else
			{
				m_mouseLookStart = Vector3.zero;
			}
			if (!(EventSystem.current != null) || EventSystem.current.IsPointerOverGameObject())
			{
				return;
			}
			float axis = Input.GetAxis("Mouse ScrollWheel");
			if (axis == 0f)
			{
				return;
			}
			Vector3 p_toScreenCoords = Vector3.forward * axis * 20f;
			if (p_toScreenCoords.sqrMagnitude != 0f)
			{
				if (Input.GetKey(KeyCode.LeftControl) || Input.GetKey(KeyCode.RightControl))
				{
					p_toScreenCoords *= 0.2f;
				}
				else if (Input.GetKey(KeyCode.LeftShift) || Input.GetKey(KeyCode.RightShift))
				{
					p_toScreenCoords *= 4f;
				}
				m_inputHandler.MoveCamera(Vector3.zero, p_toScreenCoords);
			}
			m_inputHandler.MoveCamera(Vector3.zero, p_toScreenCoords);
		}

		public override void Destroy()
		{
		}
	}
}