325 lines
13 KiB
C#
325 lines
13 KiB
C#
using System;
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using System.Collections.Generic;
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using DG.Tweening;
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using TMPro;
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using UnityEngine;
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using UnityEngine.Events;
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using UnityEngine.UI;
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namespace Ichni.Menu.UI
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{
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/// <summary>
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/// 通用多选弹窗。
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/// 标题、正文与按钮均在播放前完成最终布局；入退场只改变 Background、两处文本 Mask 和 Rail，
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/// 因而不会在动画期间触发 TMP 重新换行或按钮布局抖动。
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/// </summary>
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public sealed class SelectionBox : MonoBehaviour
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{
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[Header("Base")]
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[SerializeField] private CanvasGroup canvasGroup;
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[SerializeField] private CanvasGroup optionCanvasGroup;
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[Header("Text & Options")]
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[SerializeField] private TMP_Text titleText;
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[SerializeField] private TMP_Text contentText;
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[SerializeField] private RectTransform optionContainer;
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[SerializeField] private SelectionBoxButton optionButtonPrefab;
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[Header("Layout References")]
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[SerializeField] private RectTransform messageBody;
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[SerializeField] private RectTransform backgroundVisual;
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[SerializeField] private RectMask2D titleTextMask;
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[SerializeField] private RectTransform contentLayoutRoot;
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[SerializeField] private RectMask2D contentTextMask;
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[SerializeField] private RectTransform railRoot;
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[SerializeField] private RectTransform leftRail;
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[SerializeField] private RectTransform rightRail;
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[Header("Animation")]
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[SerializeField, Min(0f)] private float bodyOpenDelay = 0.1f;
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[SerializeField, Min(0f)] private float bodyOpenDuration = 0.5f;
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[SerializeField, Min(0f)] private float railOpenDelay;
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[SerializeField, Min(0f)] private float railOpenDuration = 0.5f;
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[SerializeField, Min(0f)] private float bodyCloseDelay;
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[SerializeField, Min(0f)] private float bodyCloseDuration = 0.5f;
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[SerializeField, Min(0f)] private float railCloseDelay = 0.1f;
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[SerializeField, Min(0f)] private float railCloseDuration = 0.5f;
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[SerializeField, Min(0f)] private float closedMaskHorizontalPadding = 600f;
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[SerializeField] private Ease bodyEase = Ease.OutCubic;
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[SerializeField] private Ease railEase = Ease.OutQuart;
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/// <summary>
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/// 玩家选择任一选项、弹窗完成退场后触发。MessageUIPage 使用它继续共享 FIFO 队列。
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/// </summary>
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public event Action<SelectionBox> Closed;
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private readonly List<SelectionBoxButton> generatedButtons = new();
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private Sequence transitionSequence;
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private CanvasGroup leftRailCanvasGroup;
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private CanvasGroup rightRailCanvasGroup;
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private Vector2 backgroundOpenSizeDelta;
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private Vector2 leftRailOpenPosition;
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private Vector2 rightRailOpenPosition;
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private bool isResolved;
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private void Awake()
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{
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backgroundOpenSizeDelta = backgroundVisual.sizeDelta;
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leftRailOpenPosition = leftRail.anchoredPosition;
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rightRailOpenPosition = rightRail.anchoredPosition;
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leftRailCanvasGroup = leftRail.GetComponent<CanvasGroup>();
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rightRailCanvasGroup = rightRail.GetComponent<CanvasGroup>();
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}
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private void OnDestroy()
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{
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transitionSequence?.Kill();
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ClearGeneratedButtons();
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}
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/// <summary>
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/// 创建本次选择所需的按钮并播放入场动画。空选项没有可执行的玩家选择，因此返回 false。
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/// </summary>
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public bool SetUp(string title, string content, IReadOnlyList<SelectionBoxOption> options)
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{
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if (options == null || options.Count == 0)
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{
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Debug.LogWarning("[SelectionBox] 未提供任何 SelectionBoxOption，忽略空选项框。", this);
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return false;
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}
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ClearGeneratedButtons();
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isResolved = false;
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titleText.text = title ?? string.Empty;
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contentText.text = content ?? string.Empty;
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foreach (SelectionBoxOption option in options)
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{
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SelectionBoxButton button = Instantiate(optionButtonPrefab, optionContainer);
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generatedButtons.Add(button);
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button.SetUp(option.label, () => Select(option.action));
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}
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gameObject.SetActive(true);
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RefreshFinalLayout();
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Open();
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return true;
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}
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private void Select(UnityAction action)
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{
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if (isResolved) return;
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isResolved = true;
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// 先阻断输入，再执行可能触发存档、跳转或新 UI 的业务回调。
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canvasGroup.interactable = false;
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canvasGroup.blocksRaycasts = false;
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foreach (SelectionBoxButton button in generatedButtons)
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{
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button.button.interactable = false;
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}
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action?.Invoke();
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Close();
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}
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/// <summary>
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/// 在最终尺寸下重建正文、主体和按钮行的布局。后续动画不再改变这些布局节点的尺寸。
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/// </summary>
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private void RefreshFinalLayout()
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{
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SetOpenVisualState();
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Canvas.ForceUpdateCanvases();
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LayoutRebuilder.ForceRebuildLayoutImmediate(contentLayoutRoot);
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LayoutRebuilder.ForceRebuildLayoutImmediate(messageBody);
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LayoutRebuilder.ForceRebuildLayoutImmediate(optionContainer);
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Canvas.ForceUpdateCanvases();
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}
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private void SetOpenVisualState()
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{
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backgroundVisual.sizeDelta = backgroundOpenSizeDelta;
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titleTextMask.padding = Vector4.zero;
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contentTextMask.padding = Vector4.zero;
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optionContainer.localScale = new Vector3(1f, optionContainer.localScale.y, optionContainer.localScale.z);
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optionCanvasGroup.alpha = 1f;
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optionCanvasGroup.interactable = true;
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optionCanvasGroup.blocksRaycasts = true;
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leftRail.anchoredPosition = leftRailOpenPosition;
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rightRail.anchoredPosition = rightRailOpenPosition;
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leftRailCanvasGroup.alpha = 1f;
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rightRailCanvasGroup.alpha = 1f;
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}
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private void SetClosedVisualState()
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{
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backgroundVisual.sizeDelta = GetClosedBackgroundSizeDelta();
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titleTextMask.padding = ClosedMaskPadding;
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contentTextMask.padding = ClosedMaskPadding;
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optionCanvasGroup.alpha = 0f;
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optionCanvasGroup.interactable = false;
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optionCanvasGroup.blocksRaycasts = false;
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float halfRootWidth = railRoot.rect.width * 0.5f;
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leftRail.anchoredPosition = new Vector2(halfRootWidth, leftRailOpenPosition.y);
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rightRail.anchoredPosition = new Vector2(-halfRootWidth, rightRailOpenPosition.y);
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leftRailCanvasGroup.alpha = 0f;
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rightRailCanvasGroup.alpha = 0f;
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}
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private Vector4 ClosedMaskPadding =>
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new(closedMaskHorizontalPadding, 0f, closedMaskHorizontalPadding, 0f);
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private Vector2 GetClosedBackgroundSizeDelta() =>
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new(backgroundOpenSizeDelta.x - backgroundVisual.rect.width, backgroundOpenSizeDelta.y);
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private static Tween CreateMaskPaddingTween(RectMask2D mask, Vector4 targetPadding, float duration, Ease ease) =>
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DOTween.To(() => mask.padding, value => mask.padding = value, targetPadding, duration).SetEase(ease);
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private static void AddRailTransition(
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Sequence sequence,
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RectTransform rail,
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CanvasGroup railCanvasGroup,
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Vector2 targetPosition,
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float targetAlpha,
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float delay,
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float duration,
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Ease positionEase)
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{
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sequence.Insert(delay, rail.DOAnchorPos(targetPosition, duration).SetEase(positionEase));
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sequence.Insert(delay, railCanvasGroup.DOFade(targetAlpha, duration).SetEase(Ease.Linear));
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}
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private void Open()
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{
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transitionSequence?.Kill();
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canvasGroup.gameObject.SetActive(true);
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canvasGroup.alpha = 1f;
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canvasGroup.interactable = false;
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canvasGroup.blocksRaycasts = false;
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SetClosedVisualState();
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transitionSequence = DOTween.Sequence().SetAutoKill(true).Pause();
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transitionSequence.Insert(
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bodyOpenDelay,
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backgroundVisual.DOSizeDelta(backgroundOpenSizeDelta, bodyOpenDuration).SetEase(bodyEase));
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transitionSequence.Insert(
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bodyOpenDelay,
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CreateMaskPaddingTween(titleTextMask, Vector4.zero, bodyOpenDuration, bodyEase));
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transitionSequence.Insert(
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bodyOpenDelay,
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CreateMaskPaddingTween(contentTextMask, Vector4.zero, bodyOpenDuration, bodyEase));
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AddRailTransition(
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transitionSequence,
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leftRail,
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leftRailCanvasGroup,
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leftRailOpenPosition,
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1f,
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railOpenDelay,
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railOpenDuration,
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railEase);
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AddRailTransition(
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transitionSequence,
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rightRail,
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rightRailCanvasGroup,
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rightRailOpenPosition,
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1f,
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railOpenDelay,
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railOpenDuration,
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railEase);
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float optionRevealTime = bodyOpenDelay + bodyOpenDuration;
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transitionSequence.Insert(
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optionRevealTime,
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optionCanvasGroup.DOFade(1f, 0.4f).From(0f).SetEase(Ease.Linear));
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transitionSequence.Insert(
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optionRevealTime,
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optionContainer.DOAnchorPos(Vector2.zero, 0.4f).From(new Vector2(0f, 100f)).SetEase(Ease.OutQuad));
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transitionSequence.OnComplete(() =>
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{
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canvasGroup.interactable = true;
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canvasGroup.blocksRaycasts = true;
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optionCanvasGroup.interactable = true;
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optionCanvasGroup.blocksRaycasts = true;
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});
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// 项目约定：DOTween 动画必须由代码显式触发 Play。
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transitionSequence.Play();
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}
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private void Close()
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{
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transitionSequence?.Kill();
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canvasGroup.interactable = false;
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canvasGroup.blocksRaycasts = false;
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optionCanvasGroup.interactable = false;
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optionCanvasGroup.blocksRaycasts = false;
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float halfRootWidth = railRoot.rect.width * 0.5f;
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transitionSequence = DOTween.Sequence().SetAutoKill(true).Pause();
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transitionSequence.Insert(
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bodyCloseDelay,
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backgroundVisual.DOSizeDelta(GetClosedBackgroundSizeDelta(), bodyCloseDuration).SetEase(Ease.InCubic));
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transitionSequence.Insert(
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bodyCloseDelay,
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CreateMaskPaddingTween(titleTextMask, ClosedMaskPadding, bodyCloseDuration, Ease.InCubic));
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transitionSequence.Insert(
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bodyCloseDelay,
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CreateMaskPaddingTween(contentTextMask, ClosedMaskPadding, bodyCloseDuration, Ease.InCubic));
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transitionSequence.Insert(
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bodyCloseDelay,
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optionContainer.DOScaleX(0f, bodyCloseDuration).SetEase(Ease.InCubic));
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AddRailTransition(
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transitionSequence,
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leftRail,
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leftRailCanvasGroup,
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new Vector2(halfRootWidth, leftRailOpenPosition.y),
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0f,
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railCloseDelay,
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railCloseDuration,
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Ease.InQuart);
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AddRailTransition(
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transitionSequence,
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rightRail,
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rightRailCanvasGroup,
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new Vector2(-halfRootWidth, rightRailOpenPosition.y),
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0f,
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railCloseDelay,
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railCloseDuration,
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Ease.InQuart);
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transitionSequence.OnComplete(() =>
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{
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canvasGroup.gameObject.SetActive(false);
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Closed?.Invoke(this);
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});
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// 项目约定：DOTween 动画必须由代码显式触发 Play。
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transitionSequence.Play();
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}
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private void ClearGeneratedButtons()
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{
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foreach (SelectionBoxButton button in generatedButtons)
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{
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Destroy(button.gameObject);
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}
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generatedButtons.Clear();
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}
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}
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/// <summary>
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/// SelectionBox 的单个运行时选项。它不序列化到场景或存档；显示时由调用方临时创建。
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/// </summary>
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public readonly struct SelectionBoxOption
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{
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public readonly string label;
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public readonly UnityAction action;
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public SelectionBoxOption(string label, UnityAction action)
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{
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this.label = label;
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this.action = action;
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}
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}
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}
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