88 lines
3.1 KiB
C#
88 lines
3.1 KiB
C#
using System.Collections.Generic;
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using Ichni.Story.Dialogue;
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using UnityEngine;
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using UnityEngine.UI;
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namespace Ichni.Story.UI
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{
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/// <summary>
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/// 对话记录覆盖面板。
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/// <para>它不是独立 UIPage：打开时覆盖在 DialogUIPage 上方，并由全屏 Raycast Target 阻断底层输入；
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/// 关闭后仅恢复对话画面，不推进 Yarn 对话。</para>
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/// </summary>
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public class DialogueHistoryPage : MonoBehaviour
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{
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[Header("References")]
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[Tooltip("覆盖全屏的 CanvasGroup。根物体应位于 DialogCanvas 顶层，并包含可接收 Raycast 的全屏透明 Image。")]
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[SerializeField] private CanvasGroup canvasGroup;
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[SerializeField] private ScrollRect scrollRect;
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[SerializeField] private RectTransform entryContainer;
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[SerializeField] private DialogueHistoryEntryView entryPrefab;
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[SerializeField] private Button closeButton;
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/// <summary>当前覆盖层是否正在显示并拦截 DialogUIPage 输入。</summary>
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public bool IsOpen => _isOpen;
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private readonly List<DialogueHistoryEntryView> _spawnedEntries = new();
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private bool _isOpen;
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private void Awake()
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{
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if (closeButton != null)
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closeButton.onClick.AddListener(Close);
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SetVisible(false);
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}
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private void OnDestroy()
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{
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if (closeButton != null)
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closeButton.onClick.RemoveListener(Close);
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}
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/// <summary>以当前一次 TextBlock 对话的内存记录刷新并打开覆盖面板。</summary>
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public void Open(IReadOnlyList<DialogueHistoryEntry> entries)
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{
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RebuildEntries(entries);
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SetVisible(true);
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Canvas.ForceUpdateCanvases();
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// 记录按时间从上到下排列；打开后停在最早一条，玩家可向下浏览最新内容。
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if (scrollRect != null)
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scrollRect.verticalNormalizedPosition = 1f;
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}
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/// <summary>关闭覆盖面板，不修改当前 Yarn 进度或选项状态。</summary>
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public void Close() => SetVisible(false);
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private void RebuildEntries(IReadOnlyList<DialogueHistoryEntry> entries)
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{
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foreach (DialogueHistoryEntryView view in _spawnedEntries)
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if (view != null)
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Destroy(view.gameObject);
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_spawnedEntries.Clear();
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if (entries == null || entryPrefab == null || entryContainer == null)
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return;
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foreach (DialogueHistoryEntry entry in entries)
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{
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DialogueHistoryEntryView view = Instantiate(entryPrefab, entryContainer);
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view.SetUp(entry);
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_spawnedEntries.Add(view);
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}
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}
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private void SetVisible(bool visible)
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{
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_isOpen = visible;
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if (canvasGroup == null)
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return;
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canvasGroup.alpha = visible ? 1f : 0f;
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canvasGroup.interactable = visible;
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canvasGroup.blocksRaycasts = visible;
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}
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}
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}
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