using System.Collections.Generic;
using System.Linq;
using UnityEngine;

namespace OVRTouchSample
{
	[RequireComponent(typeof(OVRGrabber))]
	public class Hand : MonoBehaviour
	{
		public const string ANIM_LAYER_NAME_POINT = "Point Layer";

		public const string ANIM_LAYER_NAME_THUMB = "Thumb Layer";

		public const string ANIM_PARAM_NAME_FLEX = "Flex";

		public const string ANIM_PARAM_NAME_POSE = "Pose";

		public const float THRESH_COLLISION_FLEX = 0.9f;

		public const float INPUT_RATE_CHANGE = 20f;

		public const float COLLIDER_SCALE_MIN = 0.01f;

		public const float COLLIDER_SCALE_MAX = 1f;

		public const float COLLIDER_SCALE_PER_SECOND = 1f;

		public const float TRIGGER_DEBOUNCE_TIME = 0.05f;

		public const float THUMB_DEBOUNCE_TIME = 0.15f;

		[SerializeField]
		private OVRInput.Controller m_controller;

		[SerializeField]
		private Animator m_animator;

		[SerializeField]
		private HandPose m_defaultGrabPose;

		private Collider[] m_colliders;

		private bool m_collisionEnabled = true;

		private OVRGrabber m_grabber;

		private List<Renderer> m_showAfterInputFocusAcquired;

		private int m_animLayerIndexThumb = -1;

		private int m_animLayerIndexPoint = -1;

		private int m_animParamIndexFlex = -1;

		private int m_animParamIndexPose = -1;

		private bool m_isPointing;

		private bool m_isGivingThumbsUp;

		private float m_pointBlend;

		private float m_thumbsUpBlend;

		private bool m_restoreOnInputAcquired;

		private float m_collisionScaleCurrent;

		private void Awake()
		{
			m_grabber = GetComponent<OVRGrabber>();
		}

		private void Start()
		{
			m_showAfterInputFocusAcquired = new List<Renderer>();
			m_colliders = (from childCollider in GetComponentsInChildren<Collider>()
				where !childCollider.isTrigger
				select childCollider).ToArray();
			CollisionEnable(false);
			m_animLayerIndexPoint = m_animator.GetLayerIndex("Point Layer");
			m_animLayerIndexThumb = m_animator.GetLayerIndex("Thumb Layer");
			m_animParamIndexFlex = Animator.StringToHash("Flex");
			m_animParamIndexPose = Animator.StringToHash("Pose");
			OVRManager.InputFocusAcquired += OnInputFocusAcquired;
			OVRManager.InputFocusLost += OnInputFocusLost;
		}

		private void Update()
		{
			UpdateCapTouchStates();
			m_pointBlend = InputValueRateChange(m_isPointing, m_pointBlend);
			m_thumbsUpBlend = InputValueRateChange(m_isGivingThumbsUp, m_thumbsUpBlend);
			float num = OVRInput.Get(OVRInput.Axis1D.PrimaryHandTrigger, m_controller);
			bool flag = m_grabber.grabbedObject == null && num >= 0.9f;
			CollisionEnable(flag);
			UpdateAnimStates();
		}

		private void UpdateCapTouchStates()
		{
			m_isPointing = !OVRInput.Get(OVRInput.NearTouch.PrimaryIndexTrigger, m_controller);
			m_isGivingThumbsUp = !OVRInput.Get(OVRInput.NearTouch.PrimaryThumbButtons, m_controller);
		}

		private void LateUpdate()
		{
			if (m_collisionEnabled && m_collisionScaleCurrent + Mathf.Epsilon < 1f)
			{
				m_collisionScaleCurrent = Mathf.Min(1f, m_collisionScaleCurrent + Time.deltaTime * 1f);
				for (int i = 0; i < m_colliders.Length; i++)
				{
					Collider collider = m_colliders[i];
					collider.transform.localScale = new Vector3(m_collisionScaleCurrent, m_collisionScaleCurrent, m_collisionScaleCurrent);
				}
			}
		}

		private void OnInputFocusLost()
		{
			if (!base.gameObject.activeInHierarchy)
			{
				return;
			}
			m_showAfterInputFocusAcquired.Clear();
			Renderer[] componentsInChildren = GetComponentsInChildren<Renderer>();
			for (int i = 0; i < componentsInChildren.Length; i++)
			{
				if (componentsInChildren[i].enabled)
				{
					componentsInChildren[i].enabled = false;
					m_showAfterInputFocusAcquired.Add(componentsInChildren[i]);
				}
			}
			CollisionEnable(false);
			m_restoreOnInputAcquired = true;
		}

		private void OnInputFocusAcquired()
		{
			if (!m_restoreOnInputAcquired)
			{
				return;
			}
			for (int i = 0; i < m_showAfterInputFocusAcquired.Count; i++)
			{
				if ((bool)m_showAfterInputFocusAcquired[i])
				{
					m_showAfterInputFocusAcquired[i].enabled = true;
				}
			}
			m_showAfterInputFocusAcquired.Clear();
			m_restoreOnInputAcquired = false;
		}

		private float InputValueRateChange(bool isDown, float value)
		{
			float num = Time.deltaTime * 20f;
			float num2 = ((!isDown) ? (-1f) : 1f);
			return Mathf.Clamp01(value + num * num2);
		}

		private void UpdateAnimStates()
		{
			bool flag = m_grabber.grabbedObject != null;
			HandPose handPose = m_defaultGrabPose;
			if (flag)
			{
				HandPose component = m_grabber.grabbedObject.GetComponent<HandPose>();
				if (component != null)
				{
					handPose = component;
				}
			}
			HandPoseId poseId = handPose.PoseId;
			m_animator.SetInteger(m_animParamIndexPose, (int)poseId);
			float value = OVRInput.Get(OVRInput.Axis1D.PrimaryHandTrigger, m_controller);
			m_animator.SetFloat(m_animParamIndexFlex, value);
			float weight = ((flag && !handPose.AllowPointing) ? 0f : m_pointBlend);
			m_animator.SetLayerWeight(m_animLayerIndexPoint, weight);
			float weight2 = ((flag && !handPose.AllowThumbsUp) ? 0f : m_thumbsUpBlend);
			m_animator.SetLayerWeight(m_animLayerIndexThumb, weight2);
			float value2 = OVRInput.Get(OVRInput.Axis1D.PrimaryIndexTrigger, m_controller);
			m_animator.SetFloat("Pinch", value2);
		}

		private void CollisionEnable(bool enabled)
		{
			if (m_collisionEnabled == enabled)
			{
				return;
			}
			m_collisionEnabled = enabled;
			if (enabled)
			{
				m_collisionScaleCurrent = 0.01f;
				for (int i = 0; i < m_colliders.Length; i++)
				{
					Collider collider = m_colliders[i];
					collider.transform.localScale = new Vector3(0.01f, 0.01f, 0.01f);
					collider.enabled = true;
				}
			}
			else
			{
				m_collisionScaleCurrent = 1f;
				for (int j = 0; j < m_colliders.Length; j++)
				{
					Collider collider2 = m_colliders[j];
					collider2.enabled = false;
					collider2.transform.localScale = new Vector3(0.01f, 0.01f, 0.01f);
				}
			}
		}
	}
}