94 lines
3.3 KiB
C#
94 lines
3.3 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using Sirenix.OdinInspector;
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using UnityEngine;
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namespace Ichni.Menu
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{
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public class MenuInformationRecorder : SerializedMonoBehaviour
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{
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public static MenuInformationRecorder instance;
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public Dictionary<ChapterSelectionUnit, SongSelectionRecord> songSelectionRecords;
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private void Awake()
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{
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if (instance == null)
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{
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instance = this;
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songSelectionRecords = new Dictionary<ChapterSelectionUnit, SongSelectionRecord>();
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}
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else
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{
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Destroy(gameObject);
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}
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}
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/// <summary>
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/// 取得当前 Chapter 的选曲缓存；缓存缺失时创建“第一首有效歌曲 + 难度位置 0”的默认记录。
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/// <para>此方法只保证缓存对象可用，不保证该歌曲或难度仍能游玩。歌曲失效与难度回退由选曲 UI 在
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/// 每次进入页面时完成，避免把运行期缓存变成持久化存档。</para>
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/// </summary>
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public bool TryGetRecordOfThisChapter(out SongSelectionRecord record)
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{
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record = null;
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ChapterSelectionUnit currentChapter = ChapterSelectionManager.instance.currentChapter;
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if (currentChapter == null || currentChapter.songs == null)
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{
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return false;
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}
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if (songSelectionRecords.TryGetValue(currentChapter, out SongSelectionRecord cachedRecord) && cachedRecord != null)
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{
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record = cachedRecord;
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return true;
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}
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SongItemData firstValidSong = currentChapter.songs.Find(song => song != null);
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if (firstValidSong == null)
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{
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return false;
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}
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record = new SongSelectionRecord(firstValidSong, 0);
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songSelectionRecords[currentChapter] = record;
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return true;
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}
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/// <summary>
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/// 将缓存修正为当前 Chapter 中实际存在的歌曲，并保留调用方提供的难度列表偏好位置。
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/// 这里只写内存缓存，玩家重启游戏后不会恢复该选择。
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/// </summary>
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public void SetRecordForChapter(ChapterSelectionUnit chapter, SongItemData song, int difficultyListIndex)
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{
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if (chapter == null || song == null)
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{
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return;
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}
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songSelectionRecords[chapter] = new SongSelectionRecord(song, difficultyListIndex);
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}
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}
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public class SongSelectionRecord
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{
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public SongItemData song;
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public int difficultyListIndex;
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/// <summary>
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/// 使用难度在歌曲列表中的位置构建缓存。
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/// 这是选曲 UI 的临时偏好，不等同于 DifficultyData.saveDifficultyId 的游戏记录稳定 ID。
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/// </summary>
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public SongSelectionRecord(SongItemData song, int difficultyListIndex)
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{
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this.song = song;
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this.difficultyListIndex = difficultyListIndex;
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}
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public SongSelectionRecord(SongItemData song, DifficultyData difficulty)
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: this(song, song?.difficultyDataList?.IndexOf(difficulty) ?? 0)
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{
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}
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}
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}
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