387 lines
15 KiB
C#
387 lines
15 KiB
C#
using System;
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using System.Collections.Generic;
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using DG.Tweening;
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using UnityEngine;
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using UnityEngine.Localization.Settings;
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using UnityEngine.UI;
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namespace Ichni.Story
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{
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/// <summary>
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/// 场景中常驻 Helper 的交互控制器。
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/// <para>点击后会按剧情条件筛选并加权随机抽取一条台词，实例化 HelperTalk Prefab 显示；
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/// 此过程不修改剧情变量、Block 完成状态或存档。</para>
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/// </summary>
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[RequireComponent(typeof(Button))]
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public class StoryHelperController : MonoBehaviour
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{
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[Header("References")]
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[SerializeField, Tooltip("承接 Helper 点击的 Button。建议挂在固定根节点，而非会移动的视觉节点上。")]
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private Button helperButton;
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[SerializeField, Tooltip("当前 Helper 的视觉 Presenter。未来可替换为 Spine 或 Live2D 对应实现。")]
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private StoryHelperVisualPresenter visualPresenter;
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[SerializeField, Tooltip("点击后实例化的 HelperTalk Prefab。它独立于 MessageBox。")]
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private StoryHelperTalk helperTalkPrefab;
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[SerializeField, Tooltip("运行时 HelperTalk 的父节点。留空时使用当前 Helper 根节点。")]
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private Transform helperTalkContainer;
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[Header("Motion Roots")]
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[SerializeField, Tooltip("只承担循环漂浮动画的节点。")]
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private RectTransform idleRoot;
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[SerializeField, Tooltip("只承担点击反馈的节点。它应位于 Idle Root 内部，避免与循环漂浮争夺同一属性。")]
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private RectTransform clickRoot;
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[Header("Idle Animation")]
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[SerializeField, Min(0f), Tooltip("循环漂浮的最大纵向偏移（Canvas 单位）。")]
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private float idleFloatDistance = 8f;
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[SerializeField, Min(0.05f), Tooltip("从基准位置移动到最高点或最低点的单程时间。")]
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private float idleHalfDuration = 1.35f;
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[Header("Click Animation")]
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[SerializeField, Min(0.01f), Tooltip("点击缩放与位移反馈持续时间。")]
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private float clickPunchDuration = 0.2f;
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[SerializeField, Min(0f), Tooltip("点击时的缩放强度；0.035 表示约 3.5% 的轻微放大。")]
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private float clickPunchScale = 0.035f;
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[SerializeField, Min(0f), Tooltip("点击时的纵向位移反馈（Canvas 单位）。")]
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private float clickPunchOffset = 5f;
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[SerializeField, Min(0f), Tooltip("连续点击的最小间隔，防止重复实例化大量气泡。")]
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private float clickCooldown = 0.3f;
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private readonly List<StoryHelperDialogueDefinition> _eligibleDialogues = new();
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private Sequence _idleSequence;
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private Sequence _clickSequence;
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private StoryHelperTalk _activeTalk;
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private Vector2 _idleBasePosition;
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private Vector2 _clickBasePosition;
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private Vector3 _clickBaseScale;
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private string _lastDialogueId;
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private StoryHelperData _appliedHelperData;
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private StoryManager _subscribedStoryManager;
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private float _nextClickTime;
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private void Awake()
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{
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if (helperButton == null)
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helperButton = GetComponent<Button>();
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if (idleRoot == null)
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idleRoot = transform as RectTransform;
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if (clickRoot == null && visualPresenter != null)
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clickRoot = visualPresenter.transform as RectTransform;
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if (helperTalkContainer == null)
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helperTalkContainer = transform;
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CacheBaseTransforms();
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}
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private void OnEnable()
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{
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if (helperButton != null)
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helperButton.onClick.AddListener(HandleHelperClicked);
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SubscribeToStoryManager();
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PlayIdleAnimation();
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}
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private void Start()
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{
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// OnEnable 的调用顺序可能早于 StoryManager.Awake；Start 时再次同步，
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// 确保首次进入 MenuScene 也能应用 Inspector 中配置的默认 Helper。
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SubscribeToStoryManager();
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}
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private void OnDisable()
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{
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if (helperButton != null)
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helperButton.onClick.RemoveListener(HandleHelperClicked);
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UnsubscribeFromStoryManager();
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KillAndRestoreMotion();
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CloseActiveTalk();
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}
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private void OnDestroy()
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{
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_idleSequence?.Kill();
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_clickSequence?.Kill();
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}
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/// <summary>点击 Helper 的统一入口：播放反馈后创建一条新的专属气泡。</summary>
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private void HandleHelperClicked()
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{
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if (Time.unscaledTime < _nextClickTime)
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return;
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_nextClickTime = Time.unscaledTime + clickCooldown;
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PlayClickAnimation();
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TryCreateRandomTalk();
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}
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/// <summary>
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/// 从当前 Helper 对话池按条件和权重抽取文本，并实例化一个新的 HelperTalk。
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/// </summary>
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private void TryCreateRandomTalk()
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{
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StoryHelperData helperData = StoryManager.instance != null
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? StoryManager.instance.ActiveHelperData
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: null;
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if (helperData == null)
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{
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Debug.LogWarning("[StoryHelper] 未配置当前 StoryHelperData，无法创建 HelperTalk。", this);
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return;
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}
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if (helperTalkPrefab == null)
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{
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Debug.LogWarning("[StoryHelper] 未配置 HelperTalk Prefab，无法创建 Helper 对话气泡。", this);
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return;
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}
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StoryHelperDialogueDefinition dialogue = SelectDialogue(helperData);
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string contentKey = dialogue != null ? dialogue.dialogueKey : helperData.fallbackDialogueKey;
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if (string.IsNullOrEmpty(contentKey))
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{
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Debug.LogWarning($"[StoryHelper] Helper '{helperData.name}' 没有可用候选对话，也未配置 Fallback Dialogue Key。", this);
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return;
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}
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if (dialogue != null)
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_lastDialogueId = GetDialogueIdentity(dialogue);
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CloseActiveTalk();
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_activeTalk = Instantiate(helperTalkPrefab, helperTalkContainer);
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_activeTalk.Closed += HandleTalkClosed;
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_activeTalk.Show(
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GetLocalizedText(helperData, helperData.displayNameKey, helperData.name),
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GetLocalizedText(helperData, contentKey, contentKey));
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}
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/// <summary>
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/// 构建当前可用候选池；当存在其它候选时，排除与上一条相同的台词，避免连续重复。
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/// </summary>
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private StoryHelperDialogueDefinition SelectDialogue(StoryHelperData helperData)
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{
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_eligibleDialogues.Clear();
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if (helperData.dialoguePool == null)
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return null;
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foreach (StoryHelperDialogueDefinition dialogue in helperData.dialoguePool)
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{
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if (dialogue == null || string.IsNullOrEmpty(dialogue.dialogueKey) || !IsDialogueAvailable(dialogue))
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continue;
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_eligibleDialogues.Add(dialogue);
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}
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if (_eligibleDialogues.Count == 0)
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return null;
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bool hasAlternative = false;
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foreach (StoryHelperDialogueDefinition dialogue in _eligibleDialogues)
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{
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if (GetDialogueIdentity(dialogue) != _lastDialogueId)
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{
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hasAlternative = true;
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break;
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}
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}
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int totalWeight = 0;
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foreach (StoryHelperDialogueDefinition dialogue in _eligibleDialogues)
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{
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if (hasAlternative && GetDialogueIdentity(dialogue) == _lastDialogueId)
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continue;
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totalWeight += Mathf.Max(1, dialogue.weight);
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}
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int randomWeight = UnityEngine.Random.Range(0, totalWeight);
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foreach (StoryHelperDialogueDefinition dialogue in _eligibleDialogues)
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{
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if (hasAlternative && GetDialogueIdentity(dialogue) == _lastDialogueId)
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continue;
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randomWeight -= Mathf.Max(1, dialogue.weight);
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if (randomWeight < 0)
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return dialogue;
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}
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return _eligibleDialogues[0];
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}
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/// <summary>
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/// 复用 StoryCondition 的通用条件树。未配置条件代表始终可用；已配置条件必须在当前已构建章节中求值，
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/// 以避免全局 Helper 在没有章节上下文时误读其它章节的 Block 状态。
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/// </summary>
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private static bool IsDialogueAvailable(StoryHelperDialogueDefinition dialogue)
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{
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StoryCondition condition = dialogue.availabilityCondition;
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if (condition == null || !condition.IsConfigured)
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return true;
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StoryTreeController treeController = StoryManager.instance != null
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? StoryManager.instance.treeController
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: null;
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if (treeController == null || treeController.ActiveStoryData == null)
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return false;
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return condition.IsSatisfied((str) => StoryVariables.GetInt(str), treeController.IsBlockCompleted);
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}
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private static string GetDialogueIdentity(StoryHelperDialogueDefinition dialogue)
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{
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return string.IsNullOrEmpty(dialogue.dialogueId) ? dialogue.dialogueKey : dialogue.dialogueId;
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}
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/// <summary>
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/// 创建不影响点击节点的轻微循环漂浮。Idle 与 Click 使用不同节点，避免 DOTween 同时写入
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/// 同一个位置或缩放属性造成跳动。
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/// </summary>
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private void PlayIdleAnimation()
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{
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if (idleRoot == null || idleFloatDistance <= 0f)
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return;
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_idleSequence?.Kill();
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idleRoot.anchoredPosition = _idleBasePosition;
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_idleSequence = DOTween.Sequence()
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.Pause()
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.SetUpdate(true)
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.Append(idleRoot.DOAnchorPosY(_idleBasePosition.y + idleFloatDistance, idleHalfDuration).SetEase(Ease.InOutSine))
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.Append(idleRoot.DOAnchorPosY(_idleBasePosition.y - idleFloatDistance, idleHalfDuration * 2f).SetEase(Ease.InOutSine))
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.Append(idleRoot.DOAnchorPosY(_idleBasePosition.y, idleHalfDuration).SetEase(Ease.InOutSine))
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.SetLoops(-1);
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_idleSequence.Play();
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}
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/// <summary>播放一次克制的点击反馈，不会中断 Helper 的循环漂浮动画。</summary>
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private void PlayClickAnimation()
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{
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if (clickRoot == null)
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return;
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_clickSequence?.Kill();
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clickRoot.anchoredPosition = _clickBasePosition;
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clickRoot.localScale = _clickBaseScale;
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_clickSequence = DOTween.Sequence()
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.Pause()
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.SetUpdate(true)
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.Join(clickRoot.DOPunchScale(Vector3.one * clickPunchScale, clickPunchDuration, 5, 0.7f))
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.Join(clickRoot.DOPunchAnchorPos(Vector2.up * clickPunchOffset, clickPunchDuration, 5, 0.7f));
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_clickSequence.Play();
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}
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private void HandleActiveHelperChanged(StoryHelperData helperData)
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{
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_lastDialogueId = null;
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ApplyHelper(helperData);
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CloseActiveTalk();
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}
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/// <summary>
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/// Helper 与 StoryManager 的 Awake 顺序不固定；OnEnable 与 Start 都调用本方法，
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/// 确保首次进入场景时既能应用默认 Helper，也能为未来的 Helper 切换保留可靠事件入口。
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/// </summary>
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private void SubscribeToStoryManager()
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{
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StoryManager manager = StoryManager.instance;
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if (manager == null || _subscribedStoryManager == manager)
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return;
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UnsubscribeFromStoryManager();
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_subscribedStoryManager = manager;
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_subscribedStoryManager.ActiveHelperChanged += HandleActiveHelperChanged;
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ApplyHelper(_subscribedStoryManager.ActiveHelperData);
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}
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private void UnsubscribeFromStoryManager()
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{
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if (_subscribedStoryManager == null)
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return;
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_subscribedStoryManager.ActiveHelperChanged -= HandleActiveHelperChanged;
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_subscribedStoryManager = null;
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}
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private void ApplyHelper(StoryHelperData helperData)
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{
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if (_appliedHelperData == helperData)
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return;
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_appliedHelperData = helperData;
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visualPresenter?.ApplyHelper(helperData);
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}
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/// <summary>本地化失败时显示 Key，确保测试阶段仍能定位缺失条目，而不是得到空白气泡。</summary>
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private string GetLocalizedText(StoryHelperData helperData, string key, string fallback)
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{
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if (string.IsNullOrEmpty(key))
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return fallback;
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try
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{
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string localized = LocalizationSettings.StringDatabase.GetLocalizedString(helperData.localizationTable, key);
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return string.IsNullOrEmpty(localized) ? fallback : localized;
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}
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catch (Exception exception)
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{
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Debug.LogWarning($"[StoryHelper] 无法本地化 Key '{key}'，将回退显示 '{fallback}'。{exception.Message}", this);
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return fallback;
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}
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}
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private void CacheBaseTransforms()
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{
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if (idleRoot != null)
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_idleBasePosition = idleRoot.anchoredPosition;
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if (clickRoot != null)
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{
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_clickBasePosition = clickRoot.anchoredPosition;
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_clickBaseScale = clickRoot.localScale;
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}
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}
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private void KillAndRestoreMotion()
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{
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_idleSequence?.Kill();
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_clickSequence?.Kill();
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_idleSequence = null;
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_clickSequence = null;
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if (idleRoot != null)
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idleRoot.anchoredPosition = _idleBasePosition;
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if (clickRoot != null)
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{
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clickRoot.anchoredPosition = _clickBasePosition;
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clickRoot.localScale = _clickBaseScale;
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}
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}
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private void CloseActiveTalk()
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{
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if (_activeTalk == null)
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return;
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_activeTalk.Closed -= HandleTalkClosed;
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_activeTalk.CloseImmediately();
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_activeTalk = null;
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}
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private void HandleTalkClosed(StoryHelperTalk talk)
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{
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talk.Closed -= HandleTalkClosed;
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if (_activeTalk == talk)
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_activeTalk = null;
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}
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}
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}
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