ichni_Official/Assets/Scripts/UI/ChapterSelection/ChapterSelectionUI.cs

using System;
using System.Collections;
using System.Collections.Generic;
using DG.Tweening;
using Ichni.Menu;
using Ichni.Story;
using Sirenix.OdinInspector;
using SLSUtilities.WwiseAssistance;
using TMPro;
using UnityEngine;
using UnityEngine.Serialization;
using UnityEngine.UI;

namespace Ichni.UI
{
    public class ChapterSelectionUI : MonoBehaviour
    {
        public RectTransform content;
        public LayoutElement layoutElement;
        public Button expandButton;
        public Button enterStorylineButton;
        public Button enterSongSelectionButton;
        
        public ChapterSelectionUnit connectedChapter;

        public string chapterName;
        /// <summary>
        /// 当前章节的运行时锁定状态。仅用于 UI 表现；真正进入剧情或选曲前仍会重新调用
        /// <see cref="UnlockSaveModule.CanAccessChapter"/>，不能把本字段作为授权依据。
        /// </summary>
        public bool isLocked;
        public bool isExpanded;
        public bool isDuringAnimation;

        [Title("闭合内容")] 
        public Image bottomTip;
        public Image upperTip;
        public Image leftProgressBarBase;
        public Image leftProgressBarFill;
        public Image avatar;
        public Image avatarMask;
        public TMP_Text decorationChapterText0;
        public TMP_Text decorationChapterText1;
        public TMP_Text outerSongProgressText;
        public RectTransform titleRect;
        public TMP_Text titleText;

        [Title("展开内容")] 
        public RectTransform expansionBackground;
        public Image expansionRipple;
        public Material rippleMaterial;
        public Sequence rippleSequence;
        
        public RectTransform expansionFunctions;
        
        public RectTransform expansionInfos;
        public TMP_Text innerSongProgressText;
        public TMP_Text fullComboText;
        public TMP_Text allPerfectText;
        public TMP_Text beatmapProgressText;
        
        
        public void Initialize(ChapterSelectionUnit chapter)
        {
            connectedChapter = chapter;
            expansionRipple.material = new Material(rippleMaterial);
            RefreshUnlockState();
            
            expandButton.onClick.AddListener(() =>
            {
                if (isDuringAnimation)
                {
                    return;
                }
                
                if (isExpanded)
                {
                    Shrink();
                }
                else
                {
                    Expand();
                }
            });
            
            enterStorylineButton.onClick.AddListener(() =>
            {
                if (isDuringAnimation)
                {
                    return;
                }

                if (!CanEnterChapter())
                {
                    return;
                }
                
                ChapterSelectionManager.instance.currentChapter = connectedChapter;
                AudioManager.SetSwitch(connectedChapter.chapterSwitch);
                ChapterSelectionManager.instance.chapterSelectionUIPage.FadeOut();
                StoryManager.instance.OpenChapter(connectedChapter.chapterIndex);
                StoryManager.instance.storyUIPage.FadeIn();
            });
            
            enterSongSelectionButton.onClick.AddListener(() =>
            {
                if (isDuringAnimation)
                {
                    return;
                }

                if (!CanEnterChapter())
                {
                    return;
                }
                
                ChapterSelectionManager.instance.currentChapter = connectedChapter;
                AudioManager.SetSwitch(connectedChapter.chapterSwitch);
                ChapterSelectionManager.instance.chapterSelectionUIPage.FadeOut();
                SongSelectionManager.instance.songSelectionUIPage.FadeIn();
            });

            (int beatmapCount, int finishedSongCount, int finishedBeatmapCount, int fullComboCount, int allPerfectCount) = chapter.GetChapterSaveInfo();
            float songProgressPercent = (float)finishedSongCount / chapter.songs.Count * 100f;
            outerSongProgressText.text = songProgressPercent.ToString("F2") + "%";
            innerSongProgressText.text = songProgressPercent.ToString("F2") + "%";
            fullComboText.text = fullComboCount.ToString();
            allPerfectText.text = allPerfectCount.ToString();
            beatmapProgressText.text = $"{finishedBeatmapCount}/{beatmapCount}";
        }

        /// <summary>
        /// 根据统一内容解锁服务刷新章节入口的可交互状态。
        /// 当前 Prefab 尚无专用锁定美术，因此先禁用两个实际入口；后续补充锁图标时，
        /// 只需读取 <see cref="isLocked"/>，无需复制解锁判断。
        /// </summary>
        private void RefreshUnlockState()
        {
            UnlockSaveModule unlockSaveModule = GameSaveManager.instance?.UnlockSaveModule;
            isLocked = unlockSaveModule == null || !unlockSaveModule.CanAccessChapter(connectedChapter);

            if (enterStorylineButton != null)
            {
                enterStorylineButton.interactable = !isLocked;
            }

            if (enterSongSelectionButton != null)
            {
                enterSongSelectionButton.interactable = !isLocked;
            }
        }

        /// <summary>
        /// 章节的最终入口检查。即使 UI Button 状态被其它脚本意外恢复，也不能绕过解锁规则。
        /// </summary>
        private bool CanEnterChapter()
        {
            RefreshUnlockState();
            return !isLocked;
        }
        
        private void Expand()
        {
            isExpanded = true;
            
            Sequence expandSequence = DOTween.Sequence();
            
            expandSequence.Append(expansionBackground.DOSizeDelta(new Vector2(1147, 826), 0.3f)
                .OnStart(() =>
                {
                    expansionBackground.gameObject.SetActive(true);
                }));
            expandSequence.Join(DOTween.To(() => layoutElement.preferredWidth, 
                x => layoutElement.preferredWidth = x, 1147, 0.3f));
            expandSequence.Join(avatarMask.rectTransform.DOSizeDelta(new Vector2(1147, 826), 0.3f));
            expandSequence.Join(titleRect.DOSizeDelta(new Vector2(0, 100), 0.3f));
            expandSequence.Append(expansionInfos.GetComponent<CanvasGroup>().DOFade(1, 0.3f)
                .OnStart(()=>
                {
                    expansionInfos.gameObject.SetActive(true);
                }));
            expandSequence.Join(expansionFunctions.GetComponent<CanvasGroup>().DOFade(1, 0.3f)
                .OnStart(() =>
                {
                    expansionFunctions.gameObject.SetActive(true);
                }));

            expandSequence.Join(bottomTip.DOFade(1f, 0.3f));
            expandSequence.Join(upperTip.DOFade(1f, 0.3f));

            expandSequence.OnStart(() => isDuringAnimation = true);
            expandSequence.OnComplete(() =>
            {
                isDuringAnimation = false;
                expansionRipple.material.SetFloat("_RippleTime", 0f);
                rippleSequence = DOTween.Sequence();
                rippleSequence.AppendInterval(5f);
                rippleSequence.Append(expansionRipple.material.DOFloat(1, "_RippleTime", 2f));
                rippleSequence.SetLoops(-1);
                rippleSequence.Play();
            });
            
            expandSequence.Play();
        }

        private void Shrink()
        {
            isExpanded = false;
            
            rippleSequence?.Kill(true);
            
            Sequence shrinkSequence = DOTween.Sequence();
            
            shrinkSequence.Append(bottomTip.DOFade(0f, 0.3f));
            shrinkSequence.Join(upperTip.DOFade(0f, 0.3f));
            
            shrinkSequence.Join(expansionInfos.GetComponent<CanvasGroup>().DOFade(0, 0.3f)
                .OnComplete(()=>
                {
                    expansionInfos.gameObject.SetActive(false);
                }));
            shrinkSequence.Join(expansionFunctions.GetComponent<CanvasGroup>().DOFade(0, 0.3f)
                .OnComplete(() =>
                {
                    expansionFunctions.gameObject.SetActive(false);
                }));
            
            shrinkSequence.Join(titleRect.DOSizeDelta(new Vector2(322, 100), 0.3f));
            
            shrinkSequence.Append(expansionBackground.DOSizeDelta(new Vector2(322, 826), 0.3f)
                .OnComplete(() =>
                {
                    expansionBackground.gameObject.SetActive(false);
                }));
            
            shrinkSequence.Join(DOTween.To(() => layoutElement.preferredWidth, 
                x => layoutElement.preferredWidth = x, 322, 0.3f));
            shrinkSequence.Join(avatarMask.rectTransform.DOSizeDelta(new Vector2(322, 826), 0.3f));
            
            shrinkSequence.OnStart(() => isDuringAnimation = true);
            shrinkSequence.OnComplete(() => isDuringAnimation = false);
            
            shrinkSequence.Play();
        }
    }
}