122 lines
3.3 KiB
C#
122 lines
3.3 KiB
C#
using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.UI;
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using UnityEngine.SceneManagement;
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using System.Collections;
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public class LevelManager : MonoBehaviour
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{
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// A serializable structure that holds a UI button and its corresponding scene
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[System.Serializable]
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public class LevelEntry
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{
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public Button levelButton;
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public string sceneName;
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public string jumpPoint;
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}
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[SerializeField]
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string jumpPointGrottoEssen;
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[SerializeField]
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string jumpPointGrottoKueche;
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[SerializeField]
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float fadeDuration = 2f;
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[SerializeField]
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private GameObject _fadeScreenObj;
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private Material _fadeMaterial;
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// A list of LevelEntry objects that can be filled in the inspector
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public List<LevelEntry> levels = new List<LevelEntry>();
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private void Awake()
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{
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// Reset entry level points
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EntryLevel.GoToGrottoKueche = false;
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EntryLevel.GoToGrottoEssen = false;
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// Loop through each level entry and hook up the button to load the correct scene
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foreach (var entry in levels)
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{
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// Check if both the button and scene name are set
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if (entry.levelButton != null && !string.IsNullOrEmpty(entry.sceneName))
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{
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// Store the scene name locally to avoid closure issues in the lambda
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string sceneToLoad = entry.sceneName;
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entry.levelButton.onClick.AddListener(() => OnClickLoadLevel(sceneToLoad));
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string goToJumpPoint = entry.jumpPoint;
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entry.levelButton.onClick.AddListener(() => SetEntryLevel(goToJumpPoint));
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}
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}
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_fadeScreenObj = GameObject.FindWithTag("MainCamera").transform.GetChild(0).gameObject;
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Renderer _renderer = _fadeScreenObj?.GetComponent<Renderer>();
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_fadeMaterial = _renderer?.sharedMaterial;
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}
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// This method is called when a button is clicked, and loads the given scene by name
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public void OnClickLoadLevel(string sceneName)
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{
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StartCoroutine(LoadAsyncScene(sceneName));
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}
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IEnumerator LoadAsyncScene(string sceneName)
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{
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yield return StartCoroutine(FadeOut());
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AsyncOperation asyncLoad = SceneManager.LoadSceneAsync(sceneName);
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// Wait until the asynchronous scene fully loads
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while (!asyncLoad.isDone)
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{
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yield return null;
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}
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}
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IEnumerator FadeOut()
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{
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_fadeScreenObj.SetActive(true);
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float elapsedTime = 0f;
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Color color = _fadeMaterial.color;
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while (elapsedTime < fadeDuration)
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{
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elapsedTime += Time.deltaTime;
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float alpha = Mathf.Lerp(0f, 1f, elapsedTime / fadeDuration);
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color.a = alpha;
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_fadeMaterial.color = color;
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yield return null;
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}
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// Ensure the final alpha value is set
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color.a = 1f;
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_fadeMaterial.color = color;
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}
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public void SetEntryLevel(string entryPoint)
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{
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if (string.IsNullOrEmpty(entryPoint))
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{
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return;
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}
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if (entryPoint == jumpPointGrottoEssen)
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{
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EntryLevel.GoToGrottoEssen = true;
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return;
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}
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if (entryPoint == jumpPointGrottoKueche)
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{
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EntryLevel.GoToGrottoKueche = true;
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return;
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}
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}
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}
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