diff options
Diffstat (limited to 'Client/Assets/Scripts/UI/LoopScrollView')
6 files changed, 668 insertions, 0 deletions
diff --git a/Client/Assets/Scripts/UI/LoopScrollView/LoopItemData.cs b/Client/Assets/Scripts/UI/LoopScrollView/LoopItemData.cs new file mode 100644 index 00000000..f809ea78 --- /dev/null +++ b/Client/Assets/Scripts/UI/LoopScrollView/LoopItemData.cs @@ -0,0 +1,12 @@ +using UnityEngine;
+using System.Collections;
+using XUtliPoolLib;
+
+/// <summary>
+/// 与item对关联的数据类，具体的item的数据类一定继承它
+/// </summary>
+//public class LoopItemData : ILoopItemData
+//{
+// // ***
+
+//}
diff --git a/Client/Assets/Scripts/UI/LoopScrollView/LoopItemData.cs.meta b/Client/Assets/Scripts/UI/LoopScrollView/LoopItemData.cs.meta new file mode 100644 index 00000000..4094a3ff --- /dev/null +++ b/Client/Assets/Scripts/UI/LoopScrollView/LoopItemData.cs.meta @@ -0,0 +1,8 @@ +fileFormatVersion: 2
+guid: c0d6527af18bd6643be0ed8270bd2e6d
+MonoImporter:
+ serializedVersion: 2
+ defaultReferences: []
+ executionOrder: 0
+ icon: {instanceID: 0}
+ userData:
diff --git a/Client/Assets/Scripts/UI/LoopScrollView/LoopItemObject.cs b/Client/Assets/Scripts/UI/LoopScrollView/LoopItemObject.cs new file mode 100644 index 00000000..dd3610e2 --- /dev/null +++ b/Client/Assets/Scripts/UI/LoopScrollView/LoopItemObject.cs @@ -0,0 +1,47 @@ +using UnityEngine;
+using System.Collections;
+using XUtliPoolLib;
+
+/// <summary>
+/// item对像的封装类LoopItemObject，不要求具体的item类来继承它。
+/// 但我们要示具体的item对像一定要包含UIWidget组件。
+/// </summary>
+[System.Serializable]
+public class LoopItemObject:ILoopItemObject
+{
+ /// <summary>
+ /// The widget.
+ /// </summary>
+ public UIWidget widget;
+
+ /// <summary>
+ /// 本item，在实际整个scrollview中的索引位置，
+ /// 即对就数据，在数据列表中的索引
+ /// </summary>
+ public int _dataIndex = -1;
+
+ public int dataIndex
+ {
+ get { return _dataIndex; }
+ set { _dataIndex = value; }
+ }
+
+ public bool isVisible()
+ {
+ LoopScrollView sc = NGUITools.FindInParents<LoopScrollView>(widget.gameObject);
+ if (sc != null) return sc.IsVisible(this);
+ return false;
+ }
+
+ public GameObject GetObj()
+ {
+ return widget != null ? widget.gameObject : null;
+ }
+
+
+ public void SetHeight(int height)
+ {
+ widget.height = height;
+ }
+
+}
diff --git a/Client/Assets/Scripts/UI/LoopScrollView/LoopItemObject.cs.meta b/Client/Assets/Scripts/UI/LoopScrollView/LoopItemObject.cs.meta new file mode 100644 index 00000000..61c8a763 --- /dev/null +++ b/Client/Assets/Scripts/UI/LoopScrollView/LoopItemObject.cs.meta @@ -0,0 +1,8 @@ +fileFormatVersion: 2
+guid: ea09ef10b830b5a418a68277930e5d7c
+MonoImporter:
+ serializedVersion: 2
+ defaultReferences: []
+ executionOrder: 0
+ icon: {instanceID: 0}
+ userData:
diff --git a/Client/Assets/Scripts/UI/LoopScrollView/LoopScrollView.cs b/Client/Assets/Scripts/UI/LoopScrollView/LoopScrollView.cs new file mode 100644 index 00000000..e6785aa2 --- /dev/null +++ b/Client/Assets/Scripts/UI/LoopScrollView/LoopScrollView.cs @@ -0,0 +1,585 @@ +using UnityEngine;
+using System.Collections.Generic;
+using XUtliPoolLib;
+using System.Collections;
+
+/// <summary>
+/// 这个类主要做了一件事,就是优化了,NGUI UIScrollView 在数据量很多都时候,
+/// 创建过多都GameObject对象,造成资源浪费.
+/// </summary>
+public class LoopScrollView : MonoBehaviour, ILoopScrollView
+{
+
+ public enum ArrangeDirection
+ {
+ Left_to_Right,
+ Right_to_Left,
+ Up_to_Down,
+ Down_to_Up,
+ }
+ /// <summary>
+ /// items的排列方式
+ /// </summary>
+ public ArrangeDirection arrangeDirection = ArrangeDirection.Up_to_Down;
+
+ /// <summary>
+ /// 列表单项模板
+ /// </summary>
+ public GameObject itemPrefab;
+
+ /// <summary>
+ /// The items list.
+ /// </summary>
+ public List<LoopItemObject> itemsList;
+
+ /// <summary>
+ /// The datas list.
+ /// </summary>
+ public List<LoopItemData> datasList;
+ public UIScrollView scrollView;
+ public GameObject itemParent;
+
+ /// <summary>
+ /// itemsList的第一个元素
+ /// </summary>
+ LoopItemObject firstItem;
+
+ /// <summary>
+ /// itemsList的最后一个元素
+ /// </summary>
+ LoopItemObject lastItem;
+
+ /// <summary>
+ /// 第一item的起始位置
+ /// </summary>
+ public Vector3 itemStartPos = Vector3.zero;
+
+ public DelegateHandler OnItemInit;
+
+ /// <summary>
+ /// 菜单项间隙
+ /// </summary>
+ public float gapDis = 0f;
+
+ private Vector3 m_TopLeft, m_BtmRight;
+
+ private System.Action onDragFinish;
+
+ /// <summary>
+ /// 预制可见个数 会影响边缘的回弹spring
+ /// </summary>
+ public int m_maxViewCnt = 2;
+
+ bool mTop = true;
+
+ // 对象池
+ Queue<LoopItemObject> itemLoop = new Queue<LoopItemObject>();
+
+ void Awake()
+ {
+ if (itemPrefab == null || scrollView == null || itemParent == null)
+ {
+ Debug.LogError("LoopScrollView.Awake not set value in inspector!");
+ }
+ if (m_maxViewCnt < 2)
+ {
+ Debug.LogError("Make sure your view cnt more than 2!");
+ }
+
+ if (arrangeDirection == ArrangeDirection.Up_to_Down ||
+ arrangeDirection == ArrangeDirection.Down_to_Up)
+ {
+ scrollView.movement = UIScrollView.Movement.Vertical;
+ }
+ else
+ {
+ scrollView.movement = UIScrollView.Movement.Horizontal;
+ }
+ scrollView.onDragFinished = OnDragFinish;
+ }
+
+ void Start()
+ {
+ UIPanel panel = scrollView.panel;
+ Vector4 v4 = scrollView.panel.baseClipRegion;
+ Vector3 v3 = scrollView.transform.localPosition;
+ v3 = new Vector3(v3.x + panel.clipOffset.x + v4.x, v3.y + panel.clipOffset.y + v4.y, v3.z);
+
+ Vector3 topleft = new Vector3(v3.x - v4.z / 2, v3.y + v4.w / 2, v3.z);
+ Vector3 btmright = new Vector3(v3.x + v4.z / 2, v3.y - v4.w / 2, v3.z);
+
+ m_TopLeft = scrollView.transform.parent.localToWorldMatrix.MultiplyPoint(topleft);
+ m_BtmRight = scrollView.transform.parent.localToWorldMatrix.MultiplyPoint(btmright);
+ //XDebug.singleton.AddGreenLog("topleft =" + topleft + "btmright" + btmright, "m_TopLeft=" + m_TopLeft + "...." + "m_BtmRight" + m_BtmRight);
+ }
+
+ private void OnDragFinish()
+ {
+ if (lastItem != null && IsScrollLast())
+ {
+ //XDebug.singleton.AddGreenLog("xxxxxxxxxxxxxxxxxxxxxxxxxx");
+ if (onDragFinish != null) onDragFinish();
+ }
+ }
+
+ void FixedUpdate()
+ {
+ Validate();
+ if (frameIndex <= 4)
+ {
+ frameIndex = frameIndex << 1;
+ if (frameIndex == 1 << 2)
+ {
+ YiledScroll(); //第二帧调用
+ }
+ }
+ }
+
+
+ private int frameIndex = 1 << 10;
+ /// <summary>
+ /// Init the specified datas.
+ /// </summary>
+ /// <param name="datas">Datas.</param>
+ public void Init(List<LoopItemData> datas, DelegateHandler onItemInitCallback, System.Action dragFinish, int pivot = 0, bool forceRefreshPerTime = false)
+ {
+ mTop = pivot == 0;
+ onDragFinish = dragFinish;
+
+ if (forceRefreshPerTime)
+ {
+ RefeshPerTime(datas, onItemInitCallback, pivot);
+ }
+ else
+ {
+ if (IsEqual(datas))
+ {
+ // Debug.Log("equal, do noting!");
+ }
+ else if (IsAddNew(datas))
+ {
+ AddItem(datas[datas.Count - 1]);
+ }
+ else if (UpdateNewOne(datas))
+ {
+ UpdateItem(datas[datas.Count - 1]);
+ }
+ else
+ {
+ RefeshPerTime(datas, onItemInitCallback, pivot);
+ }
+ }
+ frameIndex = 1;
+ }
+
+ private void RefeshPerTime(List<LoopItemData> datas,DelegateHandler onItemInitCallback,int pivot)
+ {
+ mTop = pivot == 0;
+ this.OnItemInit = onItemInitCallback;
+ Resetloop();
+ datasList = datas;
+ Validate();
+ ResetScroll();
+ int cnt = Mathf.Min(m_maxViewCnt, datasList.Count);
+ for (int i = 0; i < cnt; i++) Validate();
+ }
+
+ void YiledScroll()
+ {
+ ResetScroll();
+ CheckBTM();
+ }
+
+
+ private void Resetloop()
+ {
+ if (itemsList != null)
+ {
+ for (int i = 0; i < itemsList.Count; i++)
+ {
+ PutItemToLoop(itemsList[i]);
+ }
+ itemsList.Clear();
+ }
+ if (datasList != null) datasList.Clear();
+ }
+
+ private bool activable { get { return gameobject.activeSelf; } }
+
+ public void SetPivot(bool istop){ }
+
+
+ public GameObject GetTpl()
+ {
+ return itemPrefab;
+ }
+
+ private bool IsAllInvisible()
+ {
+ bool all_invisible = true;
+ for (int i = 0; i < itemsList.Count; i++)
+ {
+ if (IsVisible(itemsList[i]))
+ {
+ all_invisible = false;
+ break;
+ }
+ }
+ return all_invisible;
+ }
+
+ /// <summary>
+ /// 检验items的两端是否要补上或删除
+ /// </summary>
+ private void Validate()
+ {
+ if (datasList == null || datasList.Count == 0) return;
+ // 如果itemsList还不存在
+ if (itemsList == null || itemsList.Count == 0)
+ {
+ itemsList = new List<LoopItemObject>();
+ LoopItemObject item = GetItemFromLoop();
+ if (mTop) InitItem(item, 0, datasList[0]); //默认起始0
+ else InitItem(item, datasList.Count - 1, datasList[datasList.Count - 1]);
+ firstItem = lastItem = item;
+ itemsList.Add(item);
+ ResetScroll();
+ }
+ if (IsAllInvisible()) return;
+
+ // 先判断前端是否要增减
+ if (IsVisible(firstItem))
+ {
+ // 判断要不要在它的前面补充一个item
+ if (firstItem.dataIndex > 0)
+ {
+ LoopItemObject item = GetItemFromLoop();
+ int index = firstItem.dataIndex - 1;
+ AddToFront(firstItem, item, index, datasList[index]);
+ firstItem = item;
+ itemsList.Insert(0, item);
+ }
+ }
+ else
+ {
+ // 判断要不要将它移除
+ // 条件：自身是不可见的; 且它后一个item也是不可见的（或被被裁剪过半的）.隐含条件itemsList.Count>=2.
+ if (itemsList.Count > m_maxViewCnt && !IsVisible(itemsList[0]) && !IsVisible(itemsList[1]))
+ {
+ itemsList.Remove(firstItem);
+ PutItemToLoop(firstItem);
+ firstItem = itemsList[0];
+ }
+ }
+
+ // 再判断后端是否要增减
+ if (IsVisible(lastItem))
+ {
+ // 判断要不要在它的后面补充一个item
+ if (lastItem.dataIndex < datasList.Count - 1)
+ {
+ LoopItemObject item = GetItemFromLoop();
+ int index = lastItem.dataIndex + 1;
+ AddToBack(lastItem, item, index, datasList[index]);
+ lastItem = item;
+ itemsList.Add(item);
+ }
+ }
+ else
+ {
+ // 判断要不要将它移除
+ // 条件：自身是不可见的;且它前一个item也是不可见的（或被被裁剪过半的）.隐含条件itemsList.Count>=2.
+ if (itemsList.Count > m_maxViewCnt
+ && !IsVisible(itemsList[itemsList.Count - 1])
+ && !IsVisible(itemsList[itemsList.Count - 2]))
+ {
+ itemsList.Remove(lastItem);
+ PutItemToLoop(lastItem);
+ lastItem = itemsList[itemsList.Count - 1];
+ }
+ }
+ }
+
+ private bool isPivotLast { get { return lastItem != null && datasList != null && datasList.Count > 1 && lastItem.dataIndex == datasList.Count - 1; } }
+
+ private bool IsEqual(List<LoopItemData> datas)
+ {
+ bool equal = true;
+ if (datas != null && datasList != null && datas.Count == datasList.Count)
+ {
+ for (int i = 0; i < datasList.Count; i++)
+ {
+ if (datasList[i].LoopID != datas[i].LoopID)
+ {
+ equal = false;
+ break;
+ }
+ }
+ }
+ else
+ {
+ equal = false;
+ }
+ return equal;
+ }
+
+ // 在列表最后更新一个
+ private bool UpdateNewOne(List<LoopItemData> datas)
+ {
+ bool isnew = true;
+ if (datas != null && isPivotLast && datas.Count == datasList.Count )
+ {
+ int iret = Mathf.Min(4, datasList.Count - 1); //只比较前四个是为了快速，比较新增和刷新整个list效果一样
+ for (int i = 0; i < iret; i++)
+ {
+ if (datasList[i + 1].LoopID != datas[i].LoopID)
+ {
+ isnew = false;
+ break;
+ }
+ }
+ }
+ else
+ {
+ isnew = false;
+ }
+ return isnew;
+ }
+
+ // 在列表最后新增一个
+ private bool IsAddNew(List<LoopItemData> datas)
+ {
+ bool isnew = true;
+ if (datas != null && isPivotLast && datas.Count - datasList.Count == 1)
+ {
+ int iret = Mathf.Min(4, datasList.Count); //只比较前四个是为了快速，比较新增和刷新整个list效果一样
+ for (int i = 0; i < iret; i++)
+ {
+ if (datasList[i].LoopID != datas[i].LoopID)
+ {
+ isnew = false;
+ break;
+ }
+ }
+ }
+ else
+ {
+ isnew = false;
+ }
+ return isnew;
+ }
+
+ // 此方法主要是为了避免新加item而整体进行刷新
+ public void AddItem(LoopItemData data)
+ {
+ datasList.Add(data);
+ LoopItemObject item = GetItemFromLoop();
+ int index = datasList.Count - 1;
+ AddToBack(lastItem, item, index, datasList[index]);
+ lastItem = item;
+ itemsList.Add(item);
+ }
+
+ public void UpdateItem(LoopItemData data)
+ {
+ if (datasList.Count > 0) datasList.RemoveAt(0);
+ if (itemsList.Contains(firstItem)) itemsList.Remove(firstItem);
+ PutItemToLoop(firstItem);
+ if (itemsList.Count > 0) firstItem = itemsList[0];
+ AddItem(data);
+ }
+
+ public bool IsVisible(LoopItemObject obj)
+ {
+ if (obj == null || obj.widget == null || obj.widget.transform == null) return false;
+ return IsVisible(obj.widget.transform);
+ }
+
+ private bool IsVisible(Transform tran)
+ {
+ bool x = tran.position.x >= m_TopLeft.x && tran.position.x <= m_BtmRight.x;
+ bool y = tran.position.y >= m_BtmRight.y && tran.position.y <= m_TopLeft.y;
+ return x && y;
+ }
+
+ public GameObject gameobject
+ {
+ get { return this.gameObject; }
+ }
+
+
+ public bool IsScrollLast()
+ {
+ if (lastItem != null && lastItem.widget != null)
+ {
+ return IsVisible(lastItem);
+ }
+ else
+ {
+ return true;
+ }
+ }
+
+
+ [ContextMenu("reset pos")]
+ public void ResetScroll()
+ {
+ scrollView.ResetPosition(mTop ? 0f : 1f);
+ }
+
+ public void SetClipSize(Vector2 size)
+ {
+ Vector4 reg = scrollView.panel.baseClipRegion;
+ reg.z = size.x;
+ reg.w = size.y;
+ scrollView.panel.baseClipRegion = reg;
+ }
+
+ public void SetDepth(int depth)
+ {
+ if (scrollView.panel != null) scrollView.panel.depth = depth;
+ }
+
+ public GameObject GetFirstItem()
+ {
+ return firstItem.GetObj();
+ }
+
+ public GameObject GetLastItem()
+ {
+ return lastItem.GetObj();
+ }
+
+ /// <summary>
+ /// 构造一个 item 对象
+ /// </summary>
+ LoopItemObject CreateItem()
+ {
+ GameObject go = NGUITools.AddChild(itemParent, itemPrefab);
+ UIWidget widget = go.GetComponent<UIWidget>();
+ LoopItemObject item = new LoopItemObject();
+ item.widget = widget;
+ if(!go.activeSelf) go.SetActive(true);
+ return item;
+ }
+
+ /// <summary>
+ /// 用数据列表来初始化scrollview
+ /// </summary>
+ void InitItem(LoopItemObject item, int dataIndex, LoopItemData data)
+ {
+ item.dataIndex = dataIndex;
+ if (OnItemInit != null)
+ {
+ OnItemInit(item as ILoopItemObject, data);
+ }
+ item.widget.transform.localPosition = itemStartPos;
+ }
+
+ /// <summary>
+ /// 在itemsList前面补上一个item
+ /// </summary>
+ private void AddToFront(LoopItemObject priorItem, LoopItemObject newItem, int newIndex, LoopItemData newData)
+ {
+ if (!CheckItem(priorItem) || !CheckItem(newItem)) return;
+ InitItem(newItem, newIndex, newData);
+ // 计算新item的位置
+ if (scrollView.movement == UIScrollView.Movement.Vertical)
+ {
+ float offsetY = priorItem.widget.height * 0.5f + gapDis + newItem.widget.height * 0.5f;
+ if (arrangeDirection == ArrangeDirection.Down_to_Up) offsetY *= -1f;
+ newItem.widget.transform.localPosition = priorItem.widget.cachedTransform.localPosition + new Vector3(0f, offsetY, 0f);
+ }
+ else
+ {
+ float offsetX = priorItem.widget.width * 0.5f + gapDis + newItem.widget.width * 0.5f;
+ if (arrangeDirection == ArrangeDirection.Right_to_Left) offsetX *= -1f;
+ newItem.widget.transform.localPosition = priorItem.widget.cachedTransform.localPosition - new Vector3(offsetX, 0f, 0f);
+ }
+ }
+
+ /// <summary>
+ /// 在itemsList后面补上一个item
+ /// </summary>
+ private void AddToBack(LoopItemObject backItem, LoopItemObject newItem, int newIndex, LoopItemData newData)
+ {
+ if (!CheckItem(backItem) || !CheckItem(newItem)) return;
+ InitItem(newItem, newIndex, newData);
+ // 计算新item的位置
+ if (scrollView.movement == UIScrollView.Movement.Vertical)
+ {
+ float offsetY = backItem.widget.height * 0.5f + gapDis + newItem.widget.height * 0.5f;
+ if (arrangeDirection == ArrangeDirection.Down_to_Up) offsetY *= -1f;
+ newItem.widget.transform.localPosition = backItem.widget.cachedTransform.localPosition - new Vector3(0f, offsetY, 0f);
+ }
+ else
+ {
+ float offsetX = backItem.widget.width * 0.5f + gapDis + newItem.widget.width * 0.5f;
+ if (arrangeDirection == ArrangeDirection.Right_to_Left) offsetX *= -1f;
+ newItem.widget.transform.localPosition = backItem.widget.cachedTransform.localPosition + new Vector3(offsetX, 0f, 0f);
+ }
+ }
+
+
+ private void CheckBTM()
+ {
+ if (mTop && lastItem != null
+ && lastItem.widget != null
+ && arrangeDirection == ArrangeDirection.Up_to_Down)
+ {
+ if (m_BtmRight.y > lastItem.widget.transform.position.y)
+ {
+ mTop = false;
+ ResetScroll();
+ }
+ }
+ }
+
+
+ #region 对象池性能相关
+ /// <summary>
+ /// 从对象池中取行一个item
+ /// </summary>
+ /// <returns>The item from loop.</returns>
+ LoopItemObject GetItemFromLoop()
+ {
+ LoopItemObject item = null;
+ while (itemLoop.Count > 0 && !CheckItem(item))
+ {
+ item = itemLoop.Dequeue();
+ }
+ if (item == null)
+ {
+ item = CreateItem();
+ }
+ if (CheckItem(item) && !item.widget.gameObject.activeSelf) item.widget.gameObject.SetActive(true);
+ return item;
+ }
+
+ private bool CheckItem(LoopItemObject item)
+ {
+ return item != null && item.widget != null && item.widget.gameObject != null;
+ }
+
+ /// <summary>
+ /// 将要移除的item放入对象池中
+ /// --这个里我保证这个对象池中存在的对象不超过3个
+ /// </summary>
+ /// <param name="item">Item.</param>
+ void PutItemToLoop(LoopItemObject item)
+ {
+ if (!CheckItem(item)) return;
+ if (itemLoop.Count >= 3)
+ {
+ DestroyImmediate(item.widget.gameObject);
+ return;
+ }
+ item.dataIndex = -1;
+ item.widget.gameObject.SetActive(false);
+ itemLoop.Enqueue(item);
+ }
+ #endregion
+
+}
+
+
diff --git a/Client/Assets/Scripts/UI/LoopScrollView/LoopScrollView.cs.meta b/Client/Assets/Scripts/UI/LoopScrollView/LoopScrollView.cs.meta new file mode 100644 index 00000000..e5cfe7ea --- /dev/null +++ b/Client/Assets/Scripts/UI/LoopScrollView/LoopScrollView.cs.meta @@ -0,0 +1,8 @@ +fileFormatVersion: 2
+guid: f9232c4b66d37744e91e6f9258a14a22
+MonoImporter:
+ serializedVersion: 2
+ defaultReferences: []
+ executionOrder: 0
+ icon: {instanceID: 0}
+ userData:
|