using UnityEngine;

namespace ECM2.Examples.FirstPersonFly
{
	public class FlyAbility : MonoBehaviour
	{
		public bool canEverFly = true;

		private Character _character;

		private bool IsFlyAllowed()
		{
			if (canEverFly)
			{
				return _character.IsFalling();
			}
			return false;
		}

		protected virtual bool CanFly()
		{
			bool flag = IsFlyAllowed();
			if (flag)
			{
				Vector3 rhs = -_character.GetGravityDirection();
				flag = Vector3.Dot(_character.GetVelocity(), rhs) < 0f;
			}
			return flag;
		}

		private void OnCollided(ref CollisionResult collisionResult)
		{
			if (_character.IsFlying() && collisionResult.isWalkable)
			{
				_character.SetMovementMode(Character.MovementMode.Falling);
			}
		}

		private void OnBeforeSimulationUpdated(float deltaTime)
		{
			bool num = _character.IsFlying();
			bool jumpInputPressed = _character.jumpInputPressed;
			if (!num && jumpInputPressed && CanFly())
			{
				_character.SetMovementMode(Character.MovementMode.Flying);
			}
		}

		private void Awake()
		{
			_character = GetComponent<Character>();
		}

		private void OnEnable()
		{
			_character.Collided += OnCollided;
			_character.BeforeSimulationUpdated += OnBeforeSimulationUpdated;
		}

		private void OnDisable()
		{
			_character.Collided -= OnCollided;
			_character.BeforeSimulationUpdated -= OnBeforeSimulationUpdated;
		}
	}
}