SSLR/SSLR/Assets/Scripts/NPCMovementRework.cs

/*
 * Author: Lin Hengrui Ryan
 * Date: 3/2/25
 * Description:
 * Customer walking handling using NavMesh
 */


using System.Collections;
using UnityEngine;
using UnityEngine.AI;
using TMPro;

public class NpcMovementRework : MonoBehaviour
{
    /// <summary>
    /// nav mesh agent
    /// </summary>
    public NavMeshAgent agent;

    public Animator animator;
    private static readonly int IsSitting = Animator.StringToHash("isSitting");
    private static readonly int Speed = Animator.StringToHash("Speed");

    public TextMeshProUGUI npcWelcomeText;
    public TextMeshProUGUI initialStatementText;
    public TextMeshProUGUI npcAnswerOneText;
    public TextMeshProUGUI npcAnswerTwoText;
    public TextMeshProUGUI npcAnswerThreeText;
    public TextMeshProUGUI npcClarifiedResponse;

    [SerializeField] private GameObject npcSpeechBubble;
    [SerializeField] private GameObject npcAnswerPanel;
    
    public NpcData npcData;
    public string correctService;
    
    public void Update()
    {
        if (agent.velocity.magnitude > 0.1)
        {
            animator.SetFloat(Speed, 1);
            animator.SetBool(IsSitting, false);
        }
        else
        {
            animator.SetFloat(Speed, 0);
        }
    }

    public void Start()
    {
        agent = gameObject.GetComponent<NavMeshAgent>();
        animator = gameObject.GetComponent<Animator>();
        Backend.instance.FirebaseGet(this);
        
        npcSpeechBubble.SetActive(false);
        npcAnswerPanel.SetActive(false);
        StartCoroutine(SitDown());
    }

    public void Called()
    {
        StartCoroutine(CustomerCalled());
    }
    
    public IEnumerator CustomerCalled()
    {
        var pos = NpcManager.instance.desk;
        agent.SetDestination(pos.position);
        
        while (true)
        {
            var npcpos = gameObject.transform.position;
            npcpos.y = 0;
            var dist= Vector3.Distance(pos.position,npcpos);
            
            if (dist<0.5f)
            {
                agent.SetDestination(gameObject.transform.position);
                gameObject.transform.rotation = pos.transform.rotation;
                
                GameManager.instance.SetCurrentNPC(this.gameObject);
                
                npcSpeechBubble.SetActive(true);
                npcAnswerPanel.SetActive(true);
                PlayerDialogueInteraction.instance.playerDialogue.SetActive(true);
                
                yield return new WaitUntil(() => npcData != null);

                correctService = npcData.correctDepartment;
                
                LoadNPCDialogue();
                break;
            }

            yield return 0;
        }
    }


    public IEnumerator SitDown()
    {
        var i = Random.Range(0, NpcManager.instance.Seats.Length);
        var seat = NpcManager.instance.Seats[i];
        while (!seat.Available)
        {
             i = Random.Range(0, NpcManager.instance.Seats.Length);
             seat = NpcManager.instance.Seats[i];
             yield return new WaitForSeconds(2f);
        }
        
        seat.Available = false;
        var sittingPosition = seat.SeatObject.transform.position;
        sittingPosition.y = 0;
        agent.SetDestination(sittingPosition);
        
        while (true)
        {
            var dist= Vector3.Distance(sittingPosition,gameObject.transform.position);
            if (dist < 0.05f)
            {
                agent.SetDestination(gameObject.transform.position);
                animator.SetBool(IsSitting, true);
                gameObject.transform.rotation = seat.SeatObject.transform.rotation;
                
                break;
            }
            yield return 0;
        }
    }

    public void Despawn()
    {
        var random = Random.Range(0, NpcManager.instance.despawnPoints.Length);
        agent.SetDestination(NpcManager.instance.despawnPoints[random].position);
    }

    public void LoadNPCDialogue()
    {
        if (GameManager.instance.currentNPC != this.gameObject)
        {
            return;
        }

        if (npcData == null)
        {
            Debug.LogError($"NPC Data is null for {gameObject.name}");
            return;
        }

        npcWelcomeText.text = "Hello";
        initialStatementText.text = npcData.initialStatement;
        
        npcAnswerOneText.text = npcData.answer1;
        npcAnswerTwoText.text = npcData.answer2;
        npcAnswerThreeText.text = npcData.answer3;

        npcClarifiedResponse.text = "I see...";
        
        PlayerDialogueInteraction.instance.SetPlayerQuestions(npcData.question1, npcData.question2, npcData.question3);
        PlayerDialogueInteraction.instance.SetPlayerResposne(npcData.response3);
    }
}