116 lines
3.4 KiB
C#
116 lines
3.4 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.SceneManagement;
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namespace AibisDream
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{
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public sealed class SceneReadinessResult
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{
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public bool Success { get; internal set; }
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public bool Cancelled { get; internal set; }
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public string Error { get; internal set; }
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}
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public static class SceneReadiness
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{
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public const float DefaultTimeoutSeconds = 15f;
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public static IEnumerator WaitUntilReady(
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Scene scene,
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Func<bool> isCancellationRequested,
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Action<SceneReadinessResult> completed,
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float timeoutSeconds = DefaultTimeoutSeconds)
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{
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var result = new SceneReadinessResult();
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// 等待场景内 Awake/Start 完成，再收集当前场景自己的 Gate。
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yield return null;
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if (isCancellationRequested?.Invoke() == true)
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{
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result.Cancelled = true;
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result.Error = "Scene readiness was cancelled.";
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completed?.Invoke(result);
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yield break;
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}
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if (!scene.IsValid() || !scene.isLoaded)
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{
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result.Error = "Loaded scene is invalid or not loaded.";
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completed?.Invoke(result);
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yield break;
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}
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var gates = CollectGates(scene);
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if (gates.Count == 0)
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{
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result.Success = true;
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completed?.Invoke(result);
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yield break;
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}
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var deadline = Time.unscaledTime + Mathf.Max(0f, timeoutSeconds);
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while (true)
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{
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if (isCancellationRequested?.Invoke() == true)
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{
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result.Cancelled = true;
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result.Error = "Scene readiness was cancelled.";
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break;
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}
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var allReady = true;
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foreach (var gate in gates)
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{
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if (gate is UnityEngine.Object unityObject && unityObject == null)
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{
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result.Error = "A scene dialogue gate was destroyed while waiting.";
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completed?.Invoke(result);
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yield break;
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}
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if (!gate.IsDialogueReady)
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{
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allReady = false;
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}
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}
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if (allReady)
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{
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result.Success = true;
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break;
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}
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if (Time.unscaledTime >= deadline)
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{
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result.Error = $"Scene readiness timed out after {timeoutSeconds:0.#} seconds.";
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break;
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}
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yield return null;
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}
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completed?.Invoke(result);
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}
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private static List<ISceneDialogueGate> CollectGates(Scene scene)
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{
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var gates = new List<ISceneDialogueGate>();
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foreach (var root in scene.GetRootGameObjects())
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{
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foreach (var behaviour in root.GetComponentsInChildren<MonoBehaviour>(true))
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{
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if (behaviour is ISceneDialogueGate gate)
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{
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gates.Add(gate);
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}
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}
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}
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return gates;
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}
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}
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}
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