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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Linq;
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using UnityEngine;
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using UnityEngine.Pool;
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using UnityEngine.Serialization;
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using UnityEngine.UI;
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using XericLibrary.Runtime.MacroLibrary;
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using XericLibrary.Runtime.Type.SpatialAlgorithm;
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using XericLibraryEditor.Debug;
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using XericUI.Core.Base;
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using XericUI.OverrideLayout;
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#if ODIN_INSPECTOR
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using Sirenix.OdinInspector;
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#endif
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namespace XericUI.DynamicActivitiesImpact
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{
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/// <summary>
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/// 导入动态激活组件(需要外部控制部分检查与生命周期事件)
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/// </summary>
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[Obsolete("直接用XericScrollRect")]
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public class UIDynamicActiveImpact : XericUIBehaciour
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{
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#region 字段属性
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#if ODIN_INSPECTOR
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[LabelText("主要容器")]
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[BoxGroup("基本容器", centerLabel: true)]
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#endif
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[Tooltip("容器子集应呈现平摊的样式")]
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public RectTransform containerTransform = null;
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#if ODIN_INSPECTOR
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[BoxGroup("基本容器")]
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[LabelText("遮罩容器")]
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#endif
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[Tooltip("用作遮罩计算的组件")]
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public RectTransform maskRectTransform = null;
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#if ODIN_INSPECTOR
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[BoxGroup("基本容器")]
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[LabelText("容器排版控制")]
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#endif
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public LayoutGroup layoutGroup;
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#if ODIN_INSPECTOR
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[BoxGroup("容器性能")]
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[LabelText("预加载像素范围")]
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#endif
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public float preloadMargin = 200f;
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#if ODIN_INSPECTOR
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[BoxGroup("容器性能")]
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[LabelText("可被察觉的响应变化长度")]
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#endif
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public float discernibleDistance = 10f;
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#if ODIN_INSPECTOR
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[BoxGroup("容器性能")]
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[LabelText("每秒检查更新的次数")]
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#endif
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[Range(0.1f, 50)]
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public float updateRateLimit = 2;
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#endregion
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#region 容器成员
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internal bool _layoutDirty;
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internal bool _transformDirty;
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internal int _lastChildrenCount;
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internal Vector2 _lastPosition;
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internal HashSet<RectTransform> _activeSet = null;
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internal HashSet<RectTransform> _allObjsSet = null;
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private HashSetPool<RectTransform> _tempQuadUIHashSetPool = new HashSetPool<RectTransform>();
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/// <summary>
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/// 保存所有ui对象的四叉树
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/// </summary>
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protected QuadTree<RectTransform> QuadUITargetTree;
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public virtual IEnumerable<RectTransform> ContainerChildren => containerTransform.GetChildren().Select(a => a.RectTransform());
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public virtual int ContainerChildrenCount => containerTransform.childCount;
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public virtual Rect ContainerTransformRectRange => containerTransform.ToQuadTreeRect();
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public virtual Rect MaskRectTransformRectRange => maskRectTransform.ToQuadTreeRect();
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public bool IsLayoutDirty => _layoutDirty;
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public bool IsTransformDirty => _transformDirty;
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public float SaftyDiscernibleUpdateTime => Mathf.Max(1f / 60, 1f / updateRateLimit);
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public LayoutGroup MainLayoutGroup => transform.GetComponent<LayoutGroup>();
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#endregion
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#region 生命周期
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#if UNITY_EDITOR
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private Vector3[] vertex1 = new Vector3[4];
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private Vector3[] vertex2 = new Vector3[4];
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private Vector3[] vertex3 = new Vector3[4];
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private void OnDrawGizmosSelected()
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{
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var lossyScale = rectTransform.lossyScale;
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var scale = lossyScale * preloadMargin;
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var dis2 = lossyScale * discernibleDistance;
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containerTransform.GetWorldCorners(vertex1);
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vertex2[0] = new Vector3(vertex1[0].x - scale.x, vertex1[0].y - scale.y, vertex1[0].z);
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vertex2[1] = new Vector3(vertex1[1].x - scale.x, vertex1[1].y + scale.y, vertex1[1].z);
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vertex2[2] = new Vector3(vertex1[2].x + scale.x, vertex1[2].y + scale.y, vertex1[2].z);
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vertex2[3] = new Vector3(vertex1[3].x + scale.x, vertex1[3].y - scale.y, vertex1[3].z);
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vertex3[0] = new Vector3(vertex1[0].x - dis2.x, vertex1[0].y - dis2.y, vertex1[0].z);
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vertex3[1] = new Vector3(vertex1[1].x - dis2.x, vertex1[1].y + dis2.y, vertex1[1].z);
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vertex3[2] = new Vector3(vertex1[2].x + dis2.x, vertex1[2].y + dis2.y, vertex1[2].z);
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vertex3[3] = new Vector3(vertex1[3].x + dis2.x, vertex1[3].y - dis2.y, vertex1[3].z);
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Gizmos.color = Color.yellow;
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MacroGizmosDraw.DrawPolygonLineByPointArray(vertex3);
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MacroGizmosDraw.DrawGizmosRectLinkLine(vertex1, vertex2, Color.grey, Color.cyan, true);
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}
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#endif
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protected override void Awake()
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{
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base.Awake();
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// 容器
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if (containerTransform == null)
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containerTransform = rectTransform;
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// 遮罩
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if (maskRectTransform == null)
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{
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var mask = transform.GetComponentInParent<Mask>();
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maskRectTransform = mask.RectTransform();
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}
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// 布局
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if (layoutGroup == null)
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layoutGroup = transform.GetComponentInParent<LayoutGroup>();
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if (layoutGroup is XericHorizontalOrVerticalLayoutGroup xericLayoutGroup)
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{
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xericLayoutGroup.layoutIgnoreInactive = false;
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}
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CheckIsDirty();
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}
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protected override void OnEnable()
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{
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base.OnEnable();
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}
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protected override void OnDisable()
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{
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base.OnDisable();
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}
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private float accTime = 0;
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protected virtual void Update()
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{
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if (accTime < SaftyDiscernibleUpdateTime)
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{
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accTime += Time.unscaledDeltaTime;
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return;
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}
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// 毕竟这里不是粒子计算器
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accTime = accTime % SaftyDiscernibleUpdateTime;
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if (IsLayoutDirty)
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{
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ResetDirtyFlag();
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RebuildQurdTree();
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}
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else if (IsTransformDirty)
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{
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ResetDirtyFlag();
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}
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}
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protected override void OnRectTransformDimensionsChange()
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{
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base.OnRectTransformDimensionsChange();
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CheckIsDirty();
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}
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private void OnDestroy()
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{
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// 恢复所有元素的原始状态
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foreach (var element in _allObjsSet)
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{
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if (element != null && _activeSet.Contains(element))
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{
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element.gameObject.SetActive(true);
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}
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}
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}
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#endregion
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#region 刷新框架
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/// <summary>
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/// 设置布局脏
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/// </summary>
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public void LayoutDirty()
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=> _layoutDirty = true;
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/// <summary>
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/// 设置变换脏
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/// </summary>
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public void TransformDirty()
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=> _transformDirty = true;
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/// <summary>
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/// 重置脏标记
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/// </summary>
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private void ResetDirtyFlag()
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{
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_layoutDirty = false;
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_transformDirty = false;
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}
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/// <summary>
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/// 检查容器脏
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/// </summary>
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public virtual void CheckIsDirty()
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{
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if (QuadUITargetTree == null || // 四叉树不存在？
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_lastChildrenCount != ContainerChildrenCount // 成员数量明显不对
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)
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{
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LayoutDirty();
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BackupQuadRectValue();
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return;
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}
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// todo 这里暂时只简单考虑直来直去的移动方式，如果有其他复杂移动，需要修改判别条件
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var deltaPosIsDirty = Mathf.Abs(QuadUITargetTree.RootRect.position.sqrMagnitude - _lastPosition.sqrMagnitude) < discernibleDistance;
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if (deltaPosIsDirty // 发生不可忽视的变换？
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)
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{
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TransformDirty();
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BackupQuadRectValue();
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return;
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}
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}
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/// <summary>
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/// 重建四叉树
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/// </summary>
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public void RebuildQurdTree()
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{
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// 重建四叉树
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QuadUITargetTree = new QuadTree<RectTransform>(ContainerTransformRectRange, a => a.rect);
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// 记录参数
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BackupQuadRectValue();
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}
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/// <summary>
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/// 保存自动重建四叉树所需的参数
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/// </summary>
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/// <param name="target"></param>
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protected virtual void BackupQuadRectValue()
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{
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_lastPosition = ContainerTransformRectRange.position;
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_lastChildrenCount = ContainerChildrenCount;
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}
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#if ODIN_INSPECTOR
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[Button("更新所有可见性")]
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#endif
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/// <summary>
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/// 更新所有成员的可见性
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/// </summary>
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public virtual void UpdateAllObjectVisible()
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{
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if (QuadUITargetTree == null)
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{
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Debug.LogError($"在更新成员可见性之前，需要确保四叉树存在！");
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return;
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}
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var visibalSet = QuadUITargetTree.Retrieve(MaskRectTransformRectRange);
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ContainerChildren.ForEachDo(obj =>
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{
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obj.gameObject.SetActive(visibalSet.Contains(obj));
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});
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}
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/// <summary>
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/// 要求控制布局组的激活一次，提供为何激活的原因
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/// </summary>
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/// <param name="hasIncreased">由于新增成员导致布局更新</param>
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/// <param name="hasDecreased">由于销毁成员导致布局更新</param>
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public virtual void UpdateLayoutGroupOnce(bool hasIncreased, bool hasDecreased)
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{
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MainLayoutGroup.enabled = true;
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StartCoroutine(WaitForLayoutDisable());
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return;
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IEnumerator WaitForLayoutDisable()
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{
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if (CanvasUpdateRegistry.IsRebuildingLayout())
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yield return new WaitForEndOfFrame();
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else
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yield return new WaitForFixedUpdate();
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MainLayoutGroup.enabled = false;
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}
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}
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#endregion
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}
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}
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