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Fixed issues with HSS/VSS in conjunction with the UI_Infinite Scroll 

* Vertical Scroller now works with infinite ScrollSnapBase
* Resolved issue with Procedural scrollers used with infinite ScrollSnapBase
* Resolved issue with UI Infinite scroll which couldn't handle content in reverse order
pull/413/head
Simon (darkside) Jackson 2020-01-19 10:50:39 +00:00
parent 0a5444b22b
commit 162bb7ca56
2 changed files with 27 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
Scripts/Layout/ScrollSnapBase.cs
View File

@ -31,7 +31,7 @@ namespace UnityEngine.UI.Extensions
internal int _previousPage;
internal int _halfNoVisibleItems;
internal bool _moveStarted;
internal bool _isInfinate; // Is a UI Infinite scroller attached to the control
internal bool _isInfinite; // Is a UI Infinite scroller attached to the control
internal int _infiniteWindow; // The infinite window the control is in
internal float _infiniteOffset; // How much to offset a repositioning
private int _bottomItem, _topItem;
@ -82,8 +82,8 @@ namespace UnityEngine.UI.Extensions
[Tooltip("Threshold for swipe speed to initiate a swipe, below threshold will return to closest page (optional)")]
public float SwipeDeltaThreshold = 5.0f;
[Tooltip("Use time scale instead of unscaled time (optional)")]
public Boolean UseTimeScale = true;
[Tooltip("Use time scale instead of unscaled time (optional)")]
public Boolean UseTimeScale = true;
[Tooltip("The visible bounds area, controls which items are visible/enabled. *Note Should use a RectMask. (optional)")]
public RectTransform MaskArea;
@ -100,7 +100,7 @@ namespace UnityEngine.UI.Extensions
internal set
{
if (_isInfinate)
if (_isInfinite)
{
//Work out which infinite window we are in
float infWindow = (float)value / (float)_screensContainer.childCount;
@ -199,7 +199,7 @@ namespace UnityEngine.UI.Extensions
if (PrevButton)
PrevButton.GetComponent<Button>().onClick.AddListener(() => { PreviousScreen(); });
_isInfinate = GetComponent<UI_InfiniteScroll>() != null;
_isInfinite = GetComponent<UI_InfiniteScroll>() != null;
}
internal void InitialiseChildObjects()
@ -213,6 +213,11 @@ namespace UnityEngine.UI.Extensions
}
InitialiseChildObjectsFromArray();
if (GetComponent<UI_InfiniteScroll>() != null)
{
GetComponent<UI_InfiniteScroll>().Init();
}
}
else
{
@ -307,7 +312,7 @@ namespace UnityEngine.UI.Extensions
//Function for switching screens with buttons
public void NextScreen()
{
if (_currentPage < _screens - 1 || _isInfinate)
if (_currentPage < _screens - 1 || _isInfinite)
{
if (!_lerp) StartScreenChange();
@ -322,7 +327,7 @@ namespace UnityEngine.UI.Extensions
//Function for switching screens with buttons
public void PreviousScreen()
{
if (_currentPage > 0 || _isInfinate)
if (_currentPage > 0 || _isInfinite)
{
if (!_lerp) StartScreenChange();
@ -439,7 +444,7 @@ namespace UnityEngine.UI.Extensions
private void ToggleNavigationButtons(int targetScreen)
{
//If this is using an Infinite Scroll, then don't disable
if (!_isInfinate)
if (!_isInfinite)
{
if (PrevButton)
{
@ -500,6 +505,11 @@ namespace UnityEngine.UI.Extensions
{
PageStep = 9;
}
var infiniteScroll = GetComponent<UI_InfiniteScroll>();
if (ChildObjects != null && ChildObjects.Length > 0 && infiniteScroll != null && !infiniteScroll.InitByUser)
{
Debug.LogError("When using procedural children with a ScrollSnap (Adding Prefab ChildObjects) and the Infinite Scroll component\nYou must set the 'InitByUser' option to true, to enable late initialising");
}
}
/// <summary>

10
Scripts/Utilities/UI_InfiniteScroll.cs
View File

@ -97,12 +97,20 @@ namespace UnityEngine.UI.Extensions
{
if (_isVertical)
{
_recordOffsetY = items[0].GetComponent<RectTransform>().anchoredPosition.y - items[1].GetComponent<RectTransform>().anchoredPosition.y;
_recordOffsetY = items[1].GetComponent<RectTransform>().anchoredPosition.y - items[0].GetComponent<RectTransform>().anchoredPosition.y;
if (_recordOffsetY < 0)
{
_recordOffsetY *= -1;
}
_disableMarginY = _recordOffsetY * _itemCount / 2;// _scrollRect.GetComponent<RectTransform>().rect.height/2 + items[0].sizeDelta.y;
}
if (_isHorizontal)
{
_recordOffsetX = items[1].GetComponent<RectTransform>().anchoredPosition.x - items[0].GetComponent<RectTransform>().anchoredPosition.x;
if (_recordOffsetX < 0)
{
_recordOffsetX *= -1;
}
_disableMarginX = _recordOffsetX * _itemCount / 2;//_scrollRect.GetComponent<RectTransform>().rect.width/2 + items[0].sizeDelta.x;
}