GGJ_2021/Assets/Scripts/Managers/JoinManager.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using NaughtyAttributes;
using Variables;

public class JoinManager : MonoBehaviour
{
    [SerializeField]
    private float m_JoinTime = 10;

    [SerializeField]
    private float m_extraWaitTime = -8;

    [SerializeField]
    private Reference<float> m_CountDown;

    [SerializeField]
    private PlayerManager m_playerManager;

    [SerializeField, Scene]
    private string m_nextScene;

    [SerializeField, Scene]
    private string m_menuScene;

    [SerializeField]
    private PlayerList m_playerList;

    // Start is called before the first frame update
    void Start()
    {
        m_playerManager.AllowJoin(true);
        StartCoroutine(DoCountDown(m_JoinTime));
    }

    private IEnumerator DoCountDown(float totalTime)
    {
        m_CountDown.Value = totalTime;

        while ((m_CountDown > 0 && m_playerList.PlayerCount > 0) || (m_CountDown > -m_extraWaitTime && m_playerList.PlayerCount == 0))
        {
            m_CountDown.Value -= Time.deltaTime;
            yield return new WaitForEndOfFrame();
        }

        CountDownFinished();

    }

    private void CountDownFinished()
    {
        m_playerManager.AllowJoin(false);

        if (m_playerList.PlayerCount > 0)
            UnityEngine.SceneManagement.SceneManager.LoadScene(m_nextScene);
        else
            UnityEngine.SceneManagement.SceneManager.LoadScene(m_menuScene);
    }
}