Custom AIPath controller

using UnityEngine;
using BehaviorDesigner.Runtime;
using Pathfinding;
using Gameplay.Agents;
using Gameplay.Agents.Controllers;

namespace Gameplay.AI {
    public class NPCPath : MonoBehaviour {
        public BehaviorDesigner.Runtime.BehaviorTree BehaviorTree;
        public AIPath AIPath;
        public NPCController NPCController;

        AgentBase Agent { get { return NPCController.Agent; } }

        SharedBool _isRunning;
        bool IsRunning {
            get {
                if (_isRunning == null) { _isRunning = (SharedBool)BehaviorTree.GetVariable("IsRunning"); }
                return _isRunning.Value;
            }
        }

        Vector3 _desiredPosition;
        Quaternion _desiredRotation;

        void Update() {
            ResetAIPath();
        }

        void FixedUpdate() {
            ResetAIPath();

            if (GameplayManager.IsPaused) { return; }

            UpdateMovement();
        }

        void ResetAIPath() {
            AIPath.canMove = AIPath.updatePosition = AIPath.updateRotation = false;
            AIPath.rvoController = NPCController.AgentBehaviour.RVOController;
        }

        void UpdateMovement() {
            if (NPCController.State == NPCState.Dead) {
                Agent.MoveDelta(Vector2.zero);

                return;
            }

            AIPath.maxSpeed = Agent.GetMoveSpeed(Agent.Health, IsRunning);

            AIPath.MovementUpdate(Time.deltaTime, out _desiredPosition, out _desiredRotation);

            Agent.MoveDelta((Vector2)_desiredPosition - Agent.Position);

            AIPath.FinalizeMovement(Agent.Position, Quaternion.identity);

            Agent.Position = AIPath.position; // Update Agent position in case any external forces were applied during FinalizeMovement.
        }

        public void Stop() {
            AIPath.isStopped = true;
        }
    }
}