Alex38Lyon
138 lines
4.2 KiB
C#
138 lines
4.2 KiB
C#
using UnityEngine;
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using UnityEngine.AddressableAssets;
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using UnityEngine.ResourceManagement.AsyncOperations;
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using UnityEngine.ResourceManagement.ResourceProviders;
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using UnityEngine.SceneManagement;
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using UnityEngine.UI;
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using TMPro;
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using System.Collections;
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public class HeavyScenePreloader : MonoBehaviour
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{
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[Header("Adresse de la scène Addressable")]
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public string sceneAddress = "heavy_scene";
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[Header("UI (facultatif)")]
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public Slider progressBar; // Barre de progression
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public TextMeshProUGUI progressText; // Texte en dessous de la barre
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public TextMeshProUGUI loadingLabel; // Texte au-dessus de la barre ("Chargement...")
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private AsyncOperationHandle<SceneInstance> loadHandle;
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private float lastProgress = 0f;
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private float lastTime;
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void Start()
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{
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// Lancer le chargement en tâche de fond dès le lancement
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PreloadSceneInBackground();
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}
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/// <summary>
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/// Étape 1 : Précharge la scène Addressable sans l’activer
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/// </summary>
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public void PreloadSceneInBackground()
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{
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Debug.Log("Début du chargement de la scène mesh en tâche de fond...");
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loadHandle = Addressables.LoadSceneAsync(sceneAddress, LoadSceneMode.Additive, activateOnLoad: false);
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loadHandle.Completed += OnScenePreloaded;
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// Initialisation du temps
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lastTime = Time.time;
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// Lancer le suivi de progression
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StartCoroutine(MonitorLoadingProgress());
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}
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/// <summary>
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/// Appelée une fois la scène chargée (mais pas encore activée)
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/// </summary>
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private void OnScenePreloaded(AsyncOperationHandle<SceneInstance> handle)
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{
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if (handle.Status == AsyncOperationStatus.Succeeded)
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{
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Debug.Log("Scène préchargée, activation automatique...");
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handle.Result.ActivateAsync(); // Activation immédiate
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}
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else
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{
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Debug.LogError("Erreur lors du chargement de la scène.");
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}
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}
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/// <summary>
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/// Suivi de la progression du chargement (WebGL friendly)
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/// </summary>
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private IEnumerator MonitorLoadingProgress()
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{
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while (!loadHandle.IsDone)
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{
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float progress = GetLoadingProgress();
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// float deltaTime = Time.time - lastTime;
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// float deltaProgress = progress - lastProgress;
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// lastProgress = progress;
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// lastTime = Time.time;
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// Estimation taux de transfert (fictif basé sur %)
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// float estimatedBytes = 100f * 1024f * 1024f * 1.05f; // suppose 100 Mo max (à adapter)
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// float speedBps = (deltaProgress * estimatedBytes ) / deltaTime;
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// string speedText;
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// if (float.IsNaN(speedBps) || float.IsInfinity(speedBps))
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// {
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// speedText = " -- ";
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// }
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// else
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// {
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// speedText = speedBps > 1024f * 1024f
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// ? $"{(speedBps / (1024f * 1024f)):0.0} Mo/s"
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// : $"{(speedBps / 1024f):0.0} Ko/s";
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// }
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Debug.Log($"Chargement mesh : {Mathf.RoundToInt(progress * 100)}%");
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if (progressBar != null)
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{
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progressBar.value = progress;
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}
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if (progressText != null)
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{
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progressText.text = $"{Mathf.RoundToInt(progress * 105)}%";
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}
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if (loadingLabel != null)
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{
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loadingLabel.text = "Chargement du modèle en cours...";
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}
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yield return null;
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}
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if (progressBar != null)
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{
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progressBar.value = 1f;
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progressBar.gameObject.SetActive(false);
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}
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if (progressText != null)
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{
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progressText.gameObject.SetActive(false);
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}
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if (loadingLabel != null)
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{
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loadingLabel.gameObject.SetActive(false);
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}
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}
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/// <summary>
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/// Fonction publique pour obtenir la progression actuelle du chargement (0 à 1)
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/// </summary>
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public float GetLoadingProgress()
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{
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if (loadHandle.IsValid())
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{
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return loadHandle.PercentComplete;
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}
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else
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{
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return 0f;
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}
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}
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} |