124 lines
3.6 KiB
C#
124 lines
3.6 KiB
C#
using System;
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using System.Collections.Generic;
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using UI;
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using UnityEngine;
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using UnityEngine.Events;
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namespace Level
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{
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public class LevelManager : MonoBehaviour
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{
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private static LevelManager _instance = null;
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public static LevelManager Instance
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{
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get
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{
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if (_instance == null)
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{
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GameObject gameObject = new GameObject("Level Manager");
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_instance = gameObject.AddComponent<LevelManager>();
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_instance.Initialize();
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}
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return _instance;
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}
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}
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private Dictionary<int, Level> _levels = null;
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public Dictionary<int, Level> Levels
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{
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get
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{
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if (_levels == null)
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Initialize();
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return _levels;
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}
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}
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private Level currentLevel = null;
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public Level CurrentLevel => currentLevel;
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public UnityEvent OnLevelChanged = new UnityEvent();
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private void Awake()
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{
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if (_instance == null)
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_instance = this;
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if (_instance != this)
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Destroy(this);
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}
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public GameObject Player { get; private set; } = null;
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private void Initialize()
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{
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GameObject[] levelPrefabs = Resources.LoadAll<GameObject>("Levels/");
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Transform levelContainer = new GameObject("Levels").transform;
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_levels = new Dictionary<int, Level>(levelPrefabs.Length);
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System.Array.Sort(levelPrefabs, (x, y) => Int32.Parse(x.name).CompareTo(Int32.Parse(y.name)));
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GameObject levelInstance = null;
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Level level = null;
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foreach (GameObject levelPrefab in levelPrefabs)
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{
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levelInstance = new GameObject(levelPrefab.gameObject.name);
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levelInstance.transform.SetParent(levelContainer);
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level = levelInstance.AddComponent<Level>();
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level.SetLevel(System.Int32.Parse(levelPrefab.name));
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_levels.Add(System.Int32.Parse(levelPrefab.gameObject.name), level);
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}
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Player = GameObject.FindWithTag("Player");
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if (Player == null)
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Player = (GameObject)Instantiate(Resources.Load("Playable/Player"), transform.position, Quaternion.identity);
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Player.SetActive(false);
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}
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public void SwitchToLevel(int levelNumber)
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{
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DisableAllLevels();
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if (!Levels.ContainsKey(levelNumber))
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{
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UIManager.Instance.SwitchToCanvas("Level Selection Menu");
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return;
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}
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currentLevel = Levels[levelNumber];
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currentLevel.Enable();
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Player.SetActive(true);
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Player.transform.position = currentLevel.StartingPoint.position;
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Player.GetComponent<Rigidbody2D>().velocity = Vector2.zero;
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UIManager.Instance.CloseAllCanvases();
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OnLevelChanged?.Invoke();
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}
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public void DisableAllLevels()
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{
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Player.SetActive(false);
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currentLevel = null;
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foreach (Level level in Levels.Values)
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level.Disable();
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}
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public bool IsLevelUnlocked(int levelNumber)
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{
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levelNumber -= 1;
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if (levelNumber == 0)
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return true;
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return PlayerPrefs.GetInt(levelNumber.ToString(), 0) != 0;
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}
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[ContextMenu("Lock All Levels")]
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public void LockAllLevels() => PlayerPrefs.DeleteAll();
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}
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}
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