149 lines
4.5 KiB
C#
149 lines
4.5 KiB
C#
using System;
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using UnityEngine;
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using UnityEngine.UI;
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using UnityEngine.Rendering;
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using UnityEngine.Playables;
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using UnityEngine.Timeline;
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namespace AibisDream.FixSystem
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{
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[RequireComponent(typeof(Slider))]
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public class MemorySlider : MonoBehaviour
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{
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[SerializeField] private float defaultValue = 0f;
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[SerializeField] private float sliderMaxValue = 6f;
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[SerializeField] private float lockThreshold = 0.06f;
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[SerializeField] private TimelineAsset openAsset;
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[SerializeField] private TimelineAsset closeAsset;
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private Slider slider;
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private PlayableDirector playableDirector;
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private Volume _volume;
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/// <summary>视觉 Lock/Unlock（Timeline）；true = 收起未开，false = 已打开。</summary>
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private bool isLocked;
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public float TargetValue { get; set; }
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public bool IsFound { get; private set; }
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public event Action OnFound;
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public event Action OnLost;
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public void Init(Volume volume)
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{
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slider = GetComponent<Slider>();
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playableDirector = GetComponent<PlayableDirector>();
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_volume = volume;
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IsFound = false;
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slider.onValueChanged.RemoveAllListeners();
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slider.onValueChanged.AddListener(HandleValueChanged);
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slider.maxValue = sliderMaxValue;
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slider.value = defaultValue;
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UpdateVolumeWeight(slider.value);
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isLocked = true;
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SetInteractable(false);
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}
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/// <summary>仅控制是否可拖动，与 <see cref="UnlockSlider"/> / <see cref="LockSlider"/> 无关。</summary>
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public void SetInteractable(bool interactable) => slider.interactable = interactable;
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/// <summary>
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/// 新一轮搜索前复位滑条与 IsFound（不播 Timeline、不改变视觉锁状态）。
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/// 需先设置好 <see cref="TargetValue"/>。
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/// </summary>
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public void PrepareForSearch()
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{
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slider.value = defaultValue;
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HandleValueChanged(slider.value);
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}
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/// <summary>仅播放打开 Timeline（若有），不碰 interactable。</summary>
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public void UnlockSlider(Action onComplete = null)
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{
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if (!isLocked)
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{
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onComplete?.Invoke();
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return;
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}
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PlayTimeline(openAsset, () =>
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{
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isLocked = false;
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onComplete?.Invoke();
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});
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}
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/// <summary>仅播放收起 Timeline（若有），不碰 interactable。</summary>
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public void LockSlider(Action onComplete = null)
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{
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if (isLocked)
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{
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onComplete?.Invoke();
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return;
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}
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slider.value = 0f;
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UpdateVolumeWeight(0f);
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PlayTimeline(closeAsset, () =>
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{
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isLocked = true;
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onComplete?.Invoke();
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});
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}
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private void HandleValueChanged(float value)
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{
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float t = UpdateVolumeWeight(value);
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bool wasFound = IsFound;
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IsFound = t < lockThreshold;
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if (IsFound && !wasFound)
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OnFound?.Invoke();
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else if (!IsFound && wasFound)
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OnLost?.Invoke();
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}
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private float UpdateVolumeWeight(float value)
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{
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float distance = Mathf.Abs(value - TargetValue);
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float maxDistance = Mathf.Max(
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Mathf.Abs(slider.maxValue - TargetValue),
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Mathf.Abs(slider.minValue - TargetValue)
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);
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float t = Mathf.Clamp01(distance / maxDistance);
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if (_volume != null)
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_volume.weight = Mathf.Lerp(0, 1, t);
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return t;
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}
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private void PlayTimeline(TimelineAsset asset, Action onComplete)
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{
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if (asset == null || playableDirector == null)
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{
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onComplete?.Invoke();
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return;
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}
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playableDirector.Stop();
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playableDirector.playableAsset = asset;
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playableDirector.time = 0;
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playableDirector.extrapolationMode = DirectorWrapMode.None;
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Action<PlayableDirector> callback = null;
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callback = pd =>
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{
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playableDirector.stopped -= callback;
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onComplete?.Invoke();
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};
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playableDirector.stopped += callback;
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playableDirector.Play();
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}
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}
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}
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