using System.Collections.Generic;
using BlockSpace.Voxels;
using Photon.Pun;
using Photon.VR;
using UnityEngine;
using UnityEngine.XR;

namespace BlockSpace.Worlds
{
	[DisallowMultipleComponent]
	public sealed class CreatorFlightController : MonoBehaviour
	{
		[SerializeField]
		private float flySpeed = 3.5f;

		[SerializeField]
		private float deadZone = 0.15f;

		private InputDevice leftHand;

		private bool flightProvidersDisabled;

		private readonly Dictionary<Behaviour, bool> cachedProviderStates = new Dictionary<Behaviour, bool>();

		private CharacterController phasedController;

		private bool controllerCollisionCached;

		private bool cachedControllerEnabled;

		private bool cachedControllerDetectCollisions;

		private void OnEnable()
		{
			leftHand = InputDevices.GetDeviceAtXRNode(XRNode.LeftHand);
		}

		private void OnDisable()
		{
			RestoreProviders();
		}

		private void Update()
		{
			if (!PhotonNetwork.InRoom)
			{
				RestoreProviders();
				return;
			}
			VoxelGroupManager instance = VoxelGroupManager.Instance;
			if (instance == null || instance.EditingLocked || !instance.CreatorMode)
			{
				RestoreProviders();
				RestoreCharacterControllerCollisions();
				return;
			}
			DisableNonFlightProviders();
			if (!leftHand.isValid)
			{
				leftHand = InputDevices.GetDeviceAtXRNode(XRNode.LeftHand);
			}
			Vector2 value = Vector2.zero;
			if (leftHand.isValid)
			{
				leftHand.TryGetFeatureValue(CommonUsages.primary2DAxis, out value);
			}
			if (Mathf.Abs(value.x) < deadZone)
			{
				value.x = 0f;
			}
			if (Mathf.Abs(value.y) < deadZone)
			{
				value.y = 0f;
			}
			Transform transform = ((PhotonVRManager.Manager != null) ? PhotonVRManager.Manager.Head : null);
			Transform localVrTeleportRoot = PlayerTeleportUtil.GetLocalVrTeleportRoot();
			if (!(transform == null) && !(localVrTeleportRoot == null))
			{
				Vector3 obj = ((transform.forward.sqrMagnitude > 0.0001f) ? transform.forward.normalized : Vector3.forward);
				Vector3 vector = ((transform.right.sqrMagnitude > 0.0001f) ? transform.right.normalized : Vector3.right);
				Vector3 vector2 = obj * value.y + vector * value.x;
				if (vector2.sqrMagnitude > 1f)
				{
					vector2.Normalize();
				}
				CharacterController component = localVrTeleportRoot.GetComponent<CharacterController>();
				if (component != null)
				{
					ApplyCharacterControllerPhase(component);
				}
				Vector3 vector3 = vector2 * flySpeed;
				if (!(vector3.sqrMagnitude <= 0.0001f))
				{
					localVrTeleportRoot.position += vector3 * Time.deltaTime;
				}
			}
		}

		private void DisableNonFlightProviders()
		{
			if (flightProvidersDisabled)
			{
				return;
			}
			PhotonVRManager manager = PhotonVRManager.Manager;
			if (!(manager == null))
			{
				cachedProviderStates.Clear();
				cachedProviderStates.Clear();
				DisableBehavioursUnder(manager.gameObject);
				if (manager.LocalPlayer != null)
				{
					DisableBehavioursUnder(manager.LocalPlayer.gameObject);
				}
				if (manager.transform.root != null)
				{
					DisableBehavioursUnder(manager.transform.root.gameObject);
				}
				flightProvidersDisabled = true;
			}
		}

		private void DisableBehavioursUnder(GameObject root)
		{
			if (root == null)
			{
				return;
			}
			Behaviour[] componentsInChildren = root.GetComponentsInChildren<Behaviour>(includeInactive: true);
			foreach (Behaviour behaviour in componentsInChildren)
			{
				if (!(behaviour == null) && !(behaviour == this))
				{
					string text = behaviour.GetType().Name;
					if (!string.IsNullOrEmpty(text) && !text.Contains("TurnProvider") && !text.Contains("SmoothTurn") && !text.Contains("SnapTurn") && (text.Contains("GravityProvider") || text.Contains("MoveProvider") || text.Contains("LocomotionProvider") || text.Contains("TeleportationProvider") || text.Contains("ClimbProvider") || text.Contains("ContinuousMove") || text.Contains("DynamicMove")))
					{
						cachedProviderStates[behaviour] = behaviour.enabled;
						behaviour.enabled = false;
					}
				}
			}
		}

		private void RestoreProviders()
		{
			if (!flightProvidersDisabled)
			{
				RestoreCharacterControllerCollisions();
				return;
			}
			foreach (KeyValuePair<Behaviour, bool> cachedProviderState in cachedProviderStates)
			{
				if (cachedProviderState.Key != null)
				{
					cachedProviderState.Key.enabled = cachedProviderState.Value;
				}
			}
			cachedProviderStates.Clear();
			flightProvidersDisabled = false;
			RestoreCharacterControllerCollisions();
		}

		private void ApplyCharacterControllerPhase(CharacterController controller)
		{
			if (!(controller == null))
			{
				if (phasedController != controller)
				{
					RestoreCharacterControllerCollisions();
					phasedController = controller;
					cachedControllerEnabled = controller.enabled;
					cachedControllerDetectCollisions = controller.detectCollisions;
					controllerCollisionCached = true;
				}
				controller.enabled = false;
				controller.detectCollisions = false;
			}
		}

		private void RestoreCharacterControllerCollisions()
		{
			if (controllerCollisionCached && phasedController != null)
			{
				phasedController.enabled = cachedControllerEnabled;
				phasedController.detectCollisions = cachedControllerDetectCollisions;
				EnsureControllerUsableAfterEdit(phasedController);
			}
			phasedController = null;
			controllerCollisionCached = false;
		}

		private static void EnsureControllerUsableAfterEdit(CharacterController controller)
		{
			if (!(controller == null))
			{
				controller.enabled = true;
				controller.detectCollisions = true;
			}
		}
	}
}