using UnityEngine;
using UnityEngine.EventSystems;

namespace UnityStandardAssets.CrossPlatformInput
{
	public class AxisTouchButton : MonoBehaviour, IPointerDownHandler, IPointerUpHandler, IEventSystemHandler
	{
		public string axisName = "Horizontal";

		public float axisValue = 1f;

		public float responseSpeed = 3f;

		public float returnToCentreSpeed = 3f;

		private AxisTouchButton m_PairedWith;

		private CrossPlatformInputManager.VirtualAxis m_Axis;

		private void OnEnable()
		{
			if (!CrossPlatformInputManager.AxisExists(axisName))
			{
				m_Axis = new CrossPlatformInputManager.VirtualAxis(axisName);
				CrossPlatformInputManager.RegisterVirtualAxis(m_Axis);
			}
			else
			{
				m_Axis = CrossPlatformInputManager.VirtualAxisReference(axisName);
			}
			FindPairedButton();
		}

		private void FindPairedButton()
		{
			AxisTouchButton[] array = Object.FindObjectsOfType(typeof(AxisTouchButton)) as AxisTouchButton[];
			if (array == null)
			{
				return;
			}
			for (int i = 0; i < array.Length; i++)
			{
				if (array[i].axisName == axisName && array[i] != this)
				{
					m_PairedWith = array[i];
				}
			}
		}

		private void OnDisable()
		{
			m_Axis.Remove();
		}

		public void OnPointerDown(PointerEventData data)
		{
			if (m_PairedWith == null)
			{
				FindPairedButton();
			}
			m_Axis.Update(Mathf.MoveTowards(m_Axis.GetValue, axisValue, responseSpeed * Time.deltaTime));
		}

		public void OnPointerUp(PointerEventData data)
		{
			m_Axis.Update(Mathf.MoveTowards(m_Axis.GetValue, 0f, responseSpeed * Time.deltaTime));
		}
	}
}