519 lines
15 KiB
C#
519 lines
15 KiB
C#
using System.Collections;
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using DG.Tweening;
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using UnityEngine;
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using UnityEngine.UI;
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namespace AibisDream
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{
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/// <summary>
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/// Mobile-friendly fullscreen eye viewport: elliptical sight + vertical ellipse blink.
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/// </summary>
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[DisallowMultipleComponent]
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[ExecuteAlways]
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public class EyeViewportOverlay : MonoBehaviour
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{
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private const string OverlaySortingLayer = "StartUI";
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private const float OverlayPlaneDistance = 10f;
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private static readonly int EyeWidthId = Shader.PropertyToID("_EyeWidth");
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private static readonly int EyeHeightId = Shader.PropertyToID("_EyeHeight");
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private static readonly int EdgeSoftnessId = Shader.PropertyToID("_EdgeSoftness");
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private static readonly int BlinkOpenId = Shader.PropertyToID("_BlinkOpen");
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/// <summary>Persistence：本遮罩=0，UI Canvas=1，Dialog Canvas=3。</summary>
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[SerializeField] private int sortingOrder;
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private Canvas overlayCanvas;
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private Image overlayImage;
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private Material instanceMaterial;
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private EyeVisualSettings activeSettings;
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private Coroutine autoBlinkRoutine;
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private Tween blinkTween;
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private float blinkOpen = 1f;
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private bool moduleActive;
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private bool editorPreviewActive;
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private bool hierarchyReady;
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private bool lifecycleReady;
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private Coroutine deferPrepareRoutine;
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private void Start()
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{
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lifecycleReady = true;
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if (!Application.isPlaying)
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{
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return;
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}
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PrepareHierarchyIfNeeded();
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if (!moduleActive && !editorPreviewActive)
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{
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SetOverlayActive(false);
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}
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}
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private void OnDestroy()
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{
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StopEffects();
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if (instanceMaterial != null)
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{
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Destroy(instanceMaterial);
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}
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}
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public void EnterModule(EyeVisualSettings settings)
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{
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moduleActive = true;
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editorPreviewActive = false;
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ShowOverlay(settings);
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}
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public void ExitModule()
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{
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moduleActive = false;
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if (editorPreviewActive)
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{
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return;
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}
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StopEffects();
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SetOverlayActive(false);
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activeSettings = null;
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}
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public void EnterEditorPreview(EyeVisualSettings settings)
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{
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editorPreviewActive = true;
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ShowOverlay(settings);
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}
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public void ExitEditorPreview()
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{
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editorPreviewActive = false;
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if (moduleActive)
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{
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ShowOverlay(activeSettings);
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return;
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}
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StopEffects();
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SetOverlayActive(false);
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activeSettings = null;
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}
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public void ApplySettings(EyeVisualSettings settings)
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{
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if (settings == null)
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{
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return;
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}
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if (!settings.enableViewportOverlay)
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{
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if (editorPreviewActive)
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{
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ExitEditorPreview();
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}
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else if (moduleActive)
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{
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ExitModule();
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}
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return;
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}
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PrepareHierarchyIfNeeded();
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if (instanceMaterial == null)
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{
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return;
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}
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activeSettings = settings;
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PushViewportParams(settings);
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SetBlinkOpen(blinkOpen);
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if (!overlayCanvas.gameObject.activeInHierarchy)
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{
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return;
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}
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if (settings.autoBlink && Application.isPlaying && (moduleActive || editorPreviewActive))
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{
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StartAutoBlink(settings);
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}
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else
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{
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StopAutoBlink();
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}
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}
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public Tween PlayBlink(float? totalDuration = null, bool restartAutoBlinkAfter = false)
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{
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if (instanceMaterial == null || activeSettings == null)
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{
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return null;
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}
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blinkTween?.Kill();
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float closeDuration = activeSettings.blinkCloseDuration;
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float openDuration = activeSettings.blinkOpenDuration;
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if (totalDuration.HasValue)
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{
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float total = Mathf.Max(0.05f, totalDuration.Value);
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closeDuration = total * 0.42f;
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openDuration = total * 0.58f;
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}
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blinkTween = DOTween.Sequence()
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.Append(CreateBlinkTween(blinkOpen, 0f, closeDuration, Ease.InQuad))
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.Append(CreateBlinkTween(0f, 1f, openDuration, Ease.OutQuad))
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.OnComplete(() =>
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{
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SetBlinkOpen(1f);
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if (restartAutoBlinkAfter)
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{
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RestartAutoBlinkCooldown(activeSettings);
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}
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});
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return blinkTween;
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}
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/// <summary>
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/// 先眨眼，再在最后一次眨眼的开眼阶段触发效果（聚焦 1 次 / 想象 2 次）。
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/// </summary>
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public IEnumerator PlayPreEffectBlinkThen(
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int blinkCount,
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EyeVisualSettings settings,
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System.Action onEffectStart,
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float effectAtOpenRatio,
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float betweenBlinkGap = 0f)
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{
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if (!ShouldPlayTransitionBlink(settings))
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{
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onEffectStart?.Invoke();
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yield break;
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}
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StopAutoBlink();
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bool effectStarted = false;
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blinkCount = Mathf.Max(1, blinkCount);
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effectAtOpenRatio = Mathf.Clamp01(effectAtOpenRatio);
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for (int i = 0; i < blinkCount; i++)
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{
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bool isLastBlink = i == blinkCount - 1;
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Tween blink = PlayBlink();
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if (blink == null)
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{
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if (isLastBlink && !effectStarted)
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{
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effectStarted = true;
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onEffectStart?.Invoke();
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}
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continue;
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}
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if (isLastBlink)
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{
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float effectDelay = settings.blinkCloseDuration + settings.blinkOpenDuration * effectAtOpenRatio;
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yield return new WaitForSeconds(effectDelay);
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if (!effectStarted)
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{
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effectStarted = true;
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onEffectStart?.Invoke();
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}
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yield return blink.WaitForCompletion();
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}
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else
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{
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yield return blink.WaitForCompletion();
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if (betweenBlinkGap > 0f)
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{
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yield return new WaitForSeconds(betweenBlinkGap);
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}
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}
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}
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if (!effectStarted)
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{
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onEffectStart?.Invoke();
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}
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RestartAutoBlinkCooldown(settings);
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}
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private bool ShouldPlayTransitionBlink(EyeVisualSettings settings)
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{
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return Application.isPlaying
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&& moduleActive
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&& !editorPreviewActive
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&& settings != null
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&& settings.enableViewportOverlay;
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}
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private void RestartAutoBlinkCooldown(EyeVisualSettings settings)
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{
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if (settings == null || !settings.autoBlink || !Application.isPlaying)
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{
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return;
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}
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if (!(moduleActive || editorPreviewActive))
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{
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return;
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}
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StartAutoBlink(settings);
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}
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private void ShowOverlay(EyeVisualSettings settings)
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{
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if (settings == null || !settings.enableViewportOverlay)
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{
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ExitModule();
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return;
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}
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PrepareHierarchyIfNeeded();
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ApplyCanvasRenderSettings();
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activeSettings = settings;
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ApplySettings(settings);
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if (!editorPreviewActive)
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{
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SetBlinkOpen(1f);
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}
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SetOverlayActive(true);
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if (settings.autoBlink && Application.isPlaying)
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{
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StartAutoBlink(settings);
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}
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}
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private void PushViewportParams(EyeVisualSettings settings)
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{
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instanceMaterial.SetFloat(EyeWidthId, settings.eyeWidth);
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instanceMaterial.SetFloat(EyeHeightId, settings.eyeHeight);
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instanceMaterial.SetFloat(EdgeSoftnessId, settings.edgeSoftness);
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}
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private Tween CreateBlinkTween(float from, float to, float duration, Ease ease)
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{
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blinkOpen = from;
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SetBlinkOpen(from);
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return DOTween.To(() => blinkOpen, value =>
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{
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blinkOpen = value;
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SetBlinkOpen(value);
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}, to, duration).SetEase(ease);
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}
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private void StartAutoBlink(EyeVisualSettings settings)
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{
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StopAutoBlink();
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if (!settings.autoBlink)
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{
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return;
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}
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autoBlinkRoutine = StartCoroutine(AutoBlinkRoutine(settings));
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}
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private IEnumerator AutoBlinkRoutine(EyeVisualSettings settings)
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{
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while (enabled && overlayCanvas != null && overlayCanvas.gameObject.activeInHierarchy)
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{
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float min = Mathf.Max(1f, settings.autoBlinkInterval.x);
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float max = Mathf.Max(min, settings.autoBlinkInterval.y);
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yield return new WaitForSeconds(Random.Range(min, max));
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Tween blink = PlayBlink();
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if (blink != null)
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{
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yield return blink.WaitForCompletion();
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}
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}
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}
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private void StopEffects()
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{
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blinkTween?.Kill();
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blinkTween = null;
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StopAutoBlink();
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}
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private void StopAutoBlink()
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{
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if (autoBlinkRoutine == null)
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{
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return;
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}
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StopCoroutine(autoBlinkRoutine);
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autoBlinkRoutine = null;
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}
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public void SetBlinkOpenPreview(float value)
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{
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SetBlinkOpen(value);
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}
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public float GetBlinkOpenPreview() => blinkOpen;
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private void SetBlinkOpen(float value)
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{
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blinkOpen = Mathf.Clamp01(value);
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instanceMaterial?.SetFloat(BlinkOpenId, blinkOpen);
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}
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private void SetOverlayActive(bool active)
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{
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if (overlayCanvas != null)
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{
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overlayCanvas.gameObject.SetActive(active);
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}
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}
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private void PrepareHierarchyIfNeeded()
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{
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if (Application.isPlaying && !lifecycleReady)
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{
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ScheduleDeferredPrepare();
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return;
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}
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EnsureOverlayHierarchy();
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hierarchyReady = overlayCanvas != null;
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ApplyCanvasRenderSettings();
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}
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private void ScheduleDeferredPrepare()
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{
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if (deferPrepareRoutine != null || !isActiveAndEnabled)
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{
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return;
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}
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deferPrepareRoutine = StartCoroutine(DeferredPrepareHierarchy());
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}
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private IEnumerator DeferredPrepareHierarchy()
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{
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yield return null;
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deferPrepareRoutine = null;
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EnsureOverlayHierarchy();
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hierarchyReady = overlayCanvas != null;
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if (activeSettings != null && instanceMaterial != null)
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{
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PushViewportParams(activeSettings);
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SetBlinkOpen(blinkOpen);
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}
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ApplyCanvasRenderSettings();
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}
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private void EnsureOverlayHierarchy()
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{
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if (overlayCanvas == null)
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{
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var canvasGo = new GameObject("EyeViewportOverlayCanvas");
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canvasGo.transform.SetParent(transform, false);
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overlayCanvas = canvasGo.AddComponent<Canvas>();
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overlayCanvas.pixelPerfect = false;
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var scaler = canvasGo.AddComponent<CanvasScaler>();
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scaler.uiScaleMode = CanvasScaler.ScaleMode.ScaleWithScreenSize;
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scaler.referenceResolution = new Vector2(1920f, 1080f);
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scaler.matchWidthOrHeight = 0.5f;
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canvasGo.AddComponent<GraphicRaycaster>();
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var imageGo = new GameObject("Overlay", typeof(RectTransform));
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imageGo.transform.SetParent(canvasGo.transform, false);
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var rect = (RectTransform)imageGo.transform;
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rect.anchorMin = Vector2.zero;
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rect.anchorMax = Vector2.one;
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rect.offsetMin = Vector2.zero;
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rect.offsetMax = Vector2.zero;
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overlayImage = imageGo.AddComponent<Image>();
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overlayImage.raycastTarget = false;
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overlayImage.color = Color.black;
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SetupMaterial();
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}
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ApplyCanvasRenderSettings();
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}
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private void SetupMaterial()
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{
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Shader shader = Shader.Find("UI/EyeViewportOverlay");
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if (shader == null)
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{
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Debug.LogError("[EyeViewportOverlay] 找不到 UI/EyeViewportOverlay shader。", this);
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return;
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}
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instanceMaterial = new Material(shader)
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{
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name = "EyeViewportOverlay (Instance)",
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hideFlags = HideFlags.DontSave
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};
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overlayImage.material = instanceMaterial;
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}
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private void ApplyCanvasRenderSettings()
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{
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if (overlayCanvas == null)
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{
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return;
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}
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overlayCanvas.renderMode = RenderMode.ScreenSpaceCamera;
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overlayCanvas.worldCamera = ResolveUICamera();
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overlayCanvas.planeDistance = OverlayPlaneDistance;
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overlayCanvas.sortingLayerName = OverlaySortingLayer;
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overlayCanvas.sortingOrder = sortingOrder;
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SetOverlayUILayer(overlayCanvas.gameObject);
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}
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private static void SetOverlayUILayer(GameObject root)
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{
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int uiLayer = LayerMask.NameToLayer("UI");
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if (uiLayer < 0)
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{
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uiLayer = 5;
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}
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foreach (Transform node in root.GetComponentsInChildren<Transform>(true))
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{
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node.gameObject.layer = uiLayer;
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}
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}
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private static Camera ResolveUICamera()
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{
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if (UIManager.Instance != null && UIManager.Instance.UICamera != null)
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{
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return UIManager.Instance.UICamera;
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}
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var uiManager = Object.FindObjectOfType<UIManager>();
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if (uiManager != null && uiManager.UICamera != null)
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{
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return uiManager.UICamera;
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}
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return Camera.main;
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}
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}
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}
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