86 lines
3.1 KiB
C#
86 lines
3.1 KiB
C#
using System.Collections;
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using UnityEngine;
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namespace AibisDream.SaveSystem
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{
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/// <summary>
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/// 将 <see cref="SaveSnapshot"/> 逐项写回运行时（纯内存，不读盘）。
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/// <para>
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/// 顺序：Yarn 变量 → 各 Provider（按 RestoreOrder）→（可选）锚点重进节点。
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/// 完整淡入淡出时序由 P4 在 <see cref="SaveRestoreOrchestrator"/> 扩展。
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/// </para>
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/// </summary>
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public static class SnapshotRestore
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{
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/// <summary>还原 Yarn 变量与各 section；不包含锚点重进（由 <see cref="RestoreAnchor"/> 或上层编排）。</summary>
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public static IEnumerator Restore(YarnVariableStorage storage, SaveSnapshot snapshot)
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{
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if (snapshot == null)
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{
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Debug.LogError("[SnapshotRestore] snapshot 为 null");
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yield break;
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}
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RestoreYarnVariables(storage, snapshot);
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foreach (var provider in SnapshotRegistry.GetOrderedProviders())
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{
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if (!snapshot.sections.TryGetValue(provider.SaveId, out var dto) || dto == null)
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{
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continue;
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}
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dto = SnapshotSectionDeserializer.Coerce(provider.SaveId, dto);
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yield return provider.Restore(dto);
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}
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if (snapshot.deepRepair != null && snapshot.deepRepair.sections != null
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&& snapshot.deepRepair.sections.Count > 0)
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{
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Debug.LogWarning("[SnapshotRestore] DeepRepair 段尚未实现，已跳过（P5）。");
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}
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}
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/// <summary>
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/// 按 <see cref="AnchorSnapshot"/> 重新进入 Yarn 节点，实现「所见即所存」。
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/// 调用前应已完成场景加载与各 provider 还原。
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/// </summary>
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public static IEnumerator RestoreAnchor(SaveSnapshot snapshot)
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{
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if (snapshot?.anchor == null || string.IsNullOrEmpty(snapshot.anchor.nodeName))
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{
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yield break;
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}
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var dialog = DialogController.Instance;
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if (dialog == null) yield break;
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var runner = dialog.DialogueRunner;
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if (runner == null) yield break;
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if (!string.IsNullOrEmpty(snapshot.anchor.yarnProjectId)
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&& runner.YarnProject != null
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&& runner.YarnProject.name != snapshot.anchor.yarnProjectId)
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{
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Debug.LogWarning(
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$"[SnapshotRestore] YarnProject 不匹配：当前 {runner.YarnProject.name}，存档 {snapshot.anchor.yarnProjectId}");
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}
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if (runner.IsDialogueRunning)
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{
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yield return runner.Stop();
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}
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yield return runner.StartDialogue(snapshot.anchor.nodeName);
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}
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private static void RestoreYarnVariables(YarnVariableStorage storage, SaveSnapshot snapshot)
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{
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var vars = snapshot.yarnVariables;
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if (vars == null) return;
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storage.SetAllVariables(vars.floats, vars.strings, vars.bools);
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}
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}
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}
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