DC优化
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ShallowT1Dream
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using System;
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using System.Runtime.CompilerServices;
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using Coffee.UIEffectInternal;
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using UnityEngine;
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using UnityEngine.EventSystems;
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using UnityEngine.Profiling;
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using UnityEngine.UI;
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using UnityEditor;
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#if TIMELINE_ENABLE
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using UnityEngine.Timeline;
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#endif
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[assembly: InternalsVisibleTo("UIEffect")]
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[assembly: InternalsVisibleTo("Coffee.UIEffect.Editor")]
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namespace Coffee.UIEffects
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{
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[ExecuteAlways]
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[DisallowMultipleComponent]
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public abstract class UIEffectBase : UIBehaviour, IMeshModifier, IMaterialModifier, ICanvasRaycastFilter
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#if TIMELINE_ENABLE
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, ITimeControl
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#endif
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{
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private static readonly InternalObjectPool<UIEffectContext> s_ContextPool =
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new InternalObjectPool<UIEffectContext>(() => new UIEffectContext(), x => true, x => x.Reset());
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private Graphic _graphic;
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private Material _material;
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private UIEffectContext _context;
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private Action _onBeforeCanvasRebuild;
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private Action _onAfterCanvasRebuild;
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private bool _canModifyMesh;
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private Matrix4x4 _prevTransformHash;
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private Canvas _canvas;
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private bool _canvasCached = false;
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private bool _isContextDirty;
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public Material effectMaterial => _material;
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public Graphic graphic => _graphic != null ? _graphic : _graphic = GetComponent<Graphic>();
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public virtual uint effectId => (uint)GetHashCode();
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public virtual float actualSamplingScale => 1;
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public virtual bool canModifyShape => true;
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protected Canvas canvas
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{
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get
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{
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if (_canvasCached) return _canvas;
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_canvasCached = true;
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_canvas = GetComponentInParent<Canvas>();
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if (_canvas == null || !_canvas.isActiveAndEnabled)
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{
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_canvas = null;
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_canvasCached = false;
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}
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return _canvas;
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}
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}
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public virtual UIEffectContext context
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{
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get
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{
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if (_context == null)
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{
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_context = s_ContextPool.Rent();
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UpdateContext(_context);
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}
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return _context;
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}
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}
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protected Material GetCurrentMaterial()
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{
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if (!isActiveAndEnabled) return null;
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var g = graphic;
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if (g == null) return null;
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var canvasRenderer = g.canvasRenderer;
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if (canvasRenderer == null || canvasRenderer.materialCount == 0) return null;
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return canvasRenderer.GetMaterial();
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}
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public virtual RectTransform transitionRoot => transform as RectTransform;
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protected override void OnEnable()
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{
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_canModifyMesh = true;
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_onBeforeCanvasRebuild ??= OnBeforeCanvasRebuild;
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_onAfterCanvasRebuild ??= OnAfterCanvasRebuild;
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UIExtraCallbacks.onBeforeCanvasRebuild += _onBeforeCanvasRebuild;
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UIExtraCallbacks.onAfterCanvasRebuild += _onAfterCanvasRebuild;
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UpdateContext(context);
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SetMaterialDirty();
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SetVerticesDirty();
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}
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protected override void OnDisable()
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{
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if (_onBeforeCanvasRebuild != null)
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{
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UIExtraCallbacks.onBeforeCanvasRebuild -= _onBeforeCanvasRebuild;
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}
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if (_onAfterCanvasRebuild != null)
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{
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UIExtraCallbacks.onAfterCanvasRebuild -= _onAfterCanvasRebuild;
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}
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MaterialRepository.Release(ref _material);
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SetMaterialDirty();
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SetVerticesDirty();
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}
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protected override void OnDestroy()
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{
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_onBeforeCanvasRebuild = null;
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_graphic = null;
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s_ContextPool.Return(ref _context);
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}
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private void OnBeforeCanvasRebuild()
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{
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// If the mesh is not modified in the previous frame, try to modify it if possible.
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if (!_canModifyMesh && CanModifyMesh())
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{
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_canModifyMesh = true;
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SetVerticesDirty();
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}
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}
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private void OnAfterCanvasRebuild()
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{
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if (_material == null || graphic == null || canvas == null || context == null) return;
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if (_isContextDirty)
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{
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_isContextDirty = false;
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ApplyContextToMaterial(GetCurrentMaterial());
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}
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if (!context.useViewMatrix) return;
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context.UpdateViewMatrix(GetCurrentMaterial(), transitionRoot, canvas.rootCanvas);
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}
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protected override void OnCanvasHierarchyChanged()
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{
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_canvasCached = false;
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_canvas = null;
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}
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public void ModifyMesh(Mesh mesh)
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{
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}
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public virtual void ModifyMesh(VertexHelper vh)
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{
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if (!isActiveAndEnabled || context == null) return;
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_canModifyMesh = CanModifyMesh();
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if (_canModifyMesh)
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{
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context.ModifyMesh(graphic, canvas, transitionRoot, vh, canModifyShape);
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}
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}
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private bool CanModifyMesh()
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{
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if (graphic == null || !graphic.isActiveAndEnabled) return false;
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if (!isActiveAndEnabled) return false;
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// The transitionRoot is same as the transform => true.
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var root = transitionRoot;
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if (transform == root) return true;
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// The transitionRoot is not visible => false.
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var scale1 = root.lossyScale;
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var scale2 = transform.lossyScale;
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return !Mathf.Approximately(scale1.x * scale1.y * scale2.x * scale2.y, 0);
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}
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public virtual Material GetModifiedMaterial(Material baseMaterial)
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{
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if (baseMaterial == null || !isActiveAndEnabled || context == null || !context.willModifyMaterial)
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{
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MaterialRepository.Release(ref _material);
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return baseMaterial;
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}
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Profiler.BeginSample("(UIE)[UIEffect] GetModifiedMaterial");
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var samplingScaleId = (uint)(Mathf.InverseLerp(0.01f, 100, actualSamplingScale) * uint.MaxValue);
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// 使用特效配置哈希作为材质共享 key，相同配置的特效共享同一材质，从而可以合批。
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// root 仅在特效需要视图矩阵（transition/gradation/detail/shiny）时才影响材质。
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var configId = context.configId;
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var rootId = context.useViewMatrix && transitionRoot ? (uint)transitionRoot.GetInstanceID() : 0u;
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var hash = new Hash128((uint)baseMaterial.GetInstanceID(), configId, samplingScaleId, rootId);
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if (!MaterialRepository.Valid(hash, _material))
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{
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Profiler.BeginSample("(UIE)[UIEffect] GetModifiedMaterial > Get or create material");
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MaterialRepository.Get(hash, ref _material, x => new Material(x)
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{
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shader = UIEffectProjectSettings.shaderRegistry.FindOptionalShader(x.shader,
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"(UIEffect)",
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"Hidden/{0} (UIEffect)",
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"Hidden/UI/Default (UIEffect)"),
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hideFlags = HideFlags.HideAndDontSave
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}, baseMaterial);
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Profiler.EndSample();
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}
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_material.CopyPropertiesFromMaterial(baseMaterial);
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ApplyContextToMaterial(_material);
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Profiler.EndSample();
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return _material;
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}
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#if UNITY_EDITOR
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protected override void OnValidate()
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{
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UpdateContext(context);
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SetVerticesDirty();
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SetMaterialDirty();
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}
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protected override void Reset()
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{
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OnValidate();
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}
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internal virtual void SetEnablePreviewIfSelected(GameObject[] selection)
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{
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}
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#endif
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protected override void OnRectTransformDimensionsChange()
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{
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if (!isActiveAndEnabled) return;
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SetVerticesDirty();
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}
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protected override void OnDidApplyAnimationProperties()
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{
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UpdateContext(context);
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SetVerticesDirty();
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SetMaterialDirty();
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}
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public virtual void SetVerticesDirty()
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{
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if (graphic != null)
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{
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graphic.SetVerticesDirty();
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GraphicProxy.Find(graphic).SetVerticesDirty(graphic, enabled);
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Misc.QueuePlayerLoopUpdate();
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}
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}
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public virtual void SetMaterialDirty()
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{
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if (graphic != null)
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{
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graphic.SetMaterialDirty();
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SetMaterialContextDirty();
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Misc.QueuePlayerLoopUpdate();
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}
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}
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public virtual void SetMaterialContextDirty()
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{
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_isContextDirty = true;
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}
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internal void ReleaseMaterial()
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{
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MaterialRepository.Release(ref _material);
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}
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internal abstract void UpdateContext(UIEffectContext c);
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public virtual void ApplyContextToMaterial(Material material)
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{
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if (!isActiveAndEnabled || context == null || material == null) return;
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_isContextDirty = false;
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context.ApplyToMaterial(material, actualSamplingScale);
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#if UNITY_EDITOR
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Profiler.BeginSample("(Editor/UIE)[UIEffect] ApplyContextToMaterial Post Process");
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if (!Application.isPlaying)
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{
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SetEnablePreviewIfSelected(Selection.gameObjects);
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Misc.QueuePlayerLoopUpdate();
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}
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UIEffectProjectSettings.shaderRegistry.RegisterVariant(material, "UI > UIEffect");
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Profiler.EndSample();
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#endif
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}
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public abstract void SetRate(float rate, UIEffectTweener.CullingMask cullingMask);
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public abstract bool IsRaycastLocationValid(Vector2 sp, Camera eventCamera);
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public void SetTime(double _)
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{
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}
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public void OnControlTimeStart()
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{
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if (this != null)
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{
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enabled = true;
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}
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}
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public void OnControlTimeStop()
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{
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if (this != null)
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{
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enabled = false;
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}
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}
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}
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}
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