using UnityEngine;
using UnityStandardAssets.Utility;

namespace UnityStandardAssets.Characters.FirstPerson
{
	[RequireComponent(typeof(CharacterController))]
	[RequireComponent(typeof(AudioSource))]
	public class FirstPersonController : MonoBehaviour
	{
		[SerializeField]
		private bool m_IsWalking;

		[SerializeField]
		public float m_WalkSpeed;

		[SerializeField]
		public float m_RunSpeed;

		[SerializeField]
		[Range(0f, 1f)]
		private float m_RunstepLenghten;

		[SerializeField]
		private float m_JumpSpeed;

		[SerializeField]
		private float m_StickToGroundForce;

		[SerializeField]
		private float m_GravityMultiplier;

		[SerializeField]
		public MouseLook m_MouseLook;

		[SerializeField]
		private bool m_UseFovKick;

		[SerializeField]
		private FOVKick m_FovKick = new FOVKick();

		[SerializeField]
		private bool m_UseHeadBob;

		[SerializeField]
		private CurveControlledBob m_HeadBob = new CurveControlledBob();

		[SerializeField]
		private LerpControlledBob m_JumpBob = new LerpControlledBob();

		[SerializeField]
		private float m_StepInterval;

		[SerializeField]
		private AudioClip[] m_FootstepSounds;

		[SerializeField]
		private AudioClip[] m_FootstepSoundsBridge;

		[SerializeField]
		private AudioClip[] m_FootstepSoundsStone;

		[SerializeField]
		private AudioClip m_JumpSound;

		[SerializeField]
		private AudioClip m_LandSound;

		private Camera m_Camera;

		private bool m_Jump;

		public bool frezzeRotation;

		public bool frezzePosition;

		public bool rotateMouseInFixedUpdate = true;

		public Vector2 m_Input;

		public Vector3 m_MoveDir = Vector3.zero;

		public CharacterController m_CharacterController;

		private CollisionFlags m_CollisionFlags;

		private bool m_PreviouslyGrounded;

		private Vector3 m_OriginalCameraPosition;

		private float m_StepCycle;

		private float m_NextStep;

		private bool m_Jumping;

		private AudioSource m_AudioSource;

		private string groundTypeTag = "";

		public float horizontal;

		public float vertical;

		public bool isJumping;

		public bool isRuning;

		public bool notMove;

		[HideInInspector]
		public Vector3 lastValidPosition = Vector3.zero;

		public bool isWater;

		private void Start()
		{
			m_CharacterController = GetComponent<CharacterController>();
			m_Camera = Camera.main;
			m_OriginalCameraPosition = m_Camera.transform.localPosition;
			m_FovKick.Setup(m_Camera);
			m_HeadBob.Setup(m_Camera, m_StepInterval);
			m_StepCycle = 0f;
			m_NextStep = m_StepCycle / 2f;
			m_Jumping = false;
			m_AudioSource = GetComponent<AudioSource>();
			m_MouseLook.Init(transform, m_Camera.transform);
		}

		private void Update()
		{
			if (!frezzeRotation && !rotateMouseInFixedUpdate)
			{
				RotateView();
			}
			if (!m_Jump)
			{
				m_Jump = isJumping;
			}
			if (!m_PreviouslyGrounded && m_CharacterController.isGrounded)
			{
				StartCoroutine(m_JumpBob.DoBobCycle());
				PlayLandingSound();
				m_MoveDir.y = 0f;
				m_Jumping = false;
			}
			if (!m_CharacterController.isGrounded && !m_Jumping && m_PreviouslyGrounded)
			{
				m_MoveDir.y = 0f;
			}
			m_PreviouslyGrounded = m_CharacterController.isGrounded;
		}

		private void PlayLandingSound()
		{
			m_AudioSource.clip = m_LandSound;
			m_AudioSource.Play();
			m_NextStep = m_StepCycle + 0.5f;
		}

		private void FixedUpdate()
		{
			if (!frezzeRotation && rotateMouseInFixedUpdate)
			{
				RotateView();
			}
			if (frezzePosition)
			{
				return;
			}
			GetInput(out var speed);
			Vector3 vector = transform.forward * m_Input.y + transform.right * m_Input.x;
			Physics.SphereCast(transform.position, m_CharacterController.radius, Vector3.down, out var hitInfo, m_CharacterController.height / 2f, -1, QueryTriggerInteraction.Ignore);
			vector = Vector3.ProjectOnPlane(vector, hitInfo.normal).normalized;
			m_MoveDir.x = vector.x * speed;
			m_MoveDir.z = vector.z * speed;
			if (m_CharacterController.isGrounded)
			{
				m_MoveDir.y = 0f - m_StickToGroundForce;
				if (m_Jump && !isWater)
				{
					if ((bool)transform.parent && transform.parent.gameObject.layer == LayerMask.NameToLayer("Boat"))
					{
						return;
					}
					m_MoveDir.y = m_JumpSpeed;
					PlayJumpSound();
					m_Jump = false;
					m_Jumping = true;
				}
			}
			else
			{
				m_MoveDir += Physics.gravity * m_GravityMultiplier * Time.fixedDeltaTime;
			}
			if (!notMove)
			{
				m_CollisionFlags = m_CharacterController.Move(m_MoveDir * Time.fixedDeltaTime);
			}
			ProgressStepCycle(speed);
			UpdateCameraPosition(speed);
			m_MouseLook.UpdateCursorLock();
		}

		private void PlayJumpSound()
		{
			m_AudioSource.clip = m_JumpSound;
			m_AudioSource.Play();
		}

		private void ProgressStepCycle(float speed)
		{
			if (m_CharacterController.velocity.sqrMagnitude > 0f && (m_Input.x != 0f || m_Input.y != 0f))
			{
				m_StepCycle += (m_CharacterController.velocity.magnitude + speed * (m_IsWalking ? 1f : m_RunstepLenghten)) * Time.fixedDeltaTime;
			}
			if (m_StepCycle > m_NextStep)
			{
				m_NextStep = m_StepCycle + m_StepInterval;
				PlayFootStepAudio();
			}
		}

		private void PlayFootStepAudio()
		{
			if (!m_CharacterController.isGrounded)
			{
				return;
			}
			if (groundTypeTag == "Bridge" || groundTypeTag == "Boat")
			{
				if (m_FootstepSoundsBridge.Length != 0)
				{
					int num = Random.Range(1, m_FootstepSoundsBridge.Length);
					m_AudioSource.clip = m_FootstepSoundsBridge[num];
					m_AudioSource.PlayOneShot(m_AudioSource.clip, 0.3f);
					m_FootstepSoundsBridge[num] = m_FootstepSoundsBridge[0];
					m_FootstepSoundsBridge[0] = m_AudioSource.clip;
				}
			}
			else if (groundTypeTag == "Stone")
			{
				if (m_FootstepSoundsStone.Length != 0)
				{
					int num2 = Random.Range(1, m_FootstepSoundsStone.Length);
					m_AudioSource.clip = m_FootstepSoundsStone[num2];
					m_AudioSource.PlayOneShot(m_AudioSource.clip, 0.3f);
					m_FootstepSoundsStone[num2] = m_FootstepSoundsStone[0];
					m_FootstepSoundsStone[0] = m_AudioSource.clip;
				}
			}
			else if (m_FootstepSounds.Length != 0)
			{
				int num3 = Random.Range(1, m_FootstepSounds.Length);
				m_AudioSource.clip = m_FootstepSounds[num3];
				m_AudioSource.PlayOneShot(m_AudioSource.clip, 0.3f);
				m_FootstepSounds[num3] = m_FootstepSounds[0];
				m_FootstepSounds[0] = m_AudioSource.clip;
			}
		}

		private void UpdateCameraPosition(float speed)
		{
			if (m_UseHeadBob)
			{
				Vector3 localPosition;
				if (m_CharacterController.velocity.magnitude > 0f && m_CharacterController.isGrounded)
				{
					m_Camera.transform.localPosition = m_HeadBob.DoHeadBob(m_CharacterController.velocity.magnitude + speed * (m_IsWalking ? 1f : m_RunstepLenghten));
					localPosition = m_Camera.transform.localPosition;
					localPosition.y = m_Camera.transform.localPosition.y - m_JumpBob.Offset();
				}
				else
				{
					localPosition = m_Camera.transform.localPosition;
					localPosition.y = m_OriginalCameraPosition.y - m_JumpBob.Offset();
				}
				m_Camera.transform.localPosition = localPosition;
			}
		}

		private void GetInput(out float speed)
		{
			bool isWalking = m_IsWalking;
			m_IsWalking = !isRuning;
			speed = (m_IsWalking ? m_WalkSpeed : m_RunSpeed);
			m_Input = new Vector2(horizontal, vertical);
			if (m_Input.sqrMagnitude > 1f)
			{
				m_Input.Normalize();
			}
			if (m_IsWalking != isWalking && m_UseFovKick && m_CharacterController.velocity.sqrMagnitude > 0f)
			{
				StopAllCoroutines();
				StartCoroutine((!m_IsWalking) ? m_FovKick.FOVKickUp() : m_FovKick.FOVKickDown());
			}
		}

		public void RotateView()
		{
			m_MouseLook.LookRotation(transform, m_Camera.transform);
		}

		public void UnFrezzeLook()
		{
			frezzePosition = false;
			frezzeRotation = false;
			m_MouseLook.Init(transform, m_Camera.transform);
		}

		private void OnControllerColliderHit(ControllerColliderHit hit)
		{
			Rigidbody attachedRigidbody = hit.collider.attachedRigidbody;
			groundTypeTag = hit.collider.tag;
			if (!isWater && (groundTypeTag == "Terrain" || groundTypeTag == "Boat"))
			{
				lastValidPosition = transform.position;
			}
			if (m_CollisionFlags != CollisionFlags.Below && !(attachedRigidbody == null))
			{
				_ = attachedRigidbody.isKinematic;
			}
		}

		private void OnTriggerStay(Collider other)
		{
			if (other.tag == "Water")
			{
				isWater = true;
			}
		}

		private void OnTriggerExit(Collider other)
		{
			if (other.tag == "Water")
			{
				isWater = false;
			}
		}
	}
}