private void PageMove(int move)
{
int num1 = Math.Sign(move);
int index = this.PageIndex + move;
Sprite sprite = this.GetSprite(ref index);
if (this.PageIndex == index)
{
return;
}
if (this._currentElement != null)
{
this._currentElement.Close(this._pageFadeTime, this._pageMoveX * (float)num1);
}
this._currentElement = this.GetElement();
TutorialLoadingImageUIElement currentElement = this._currentElement;
int num2 = index;
this.PageIndex = num2;
int num3 = num2;
currentElement.Index = num3;
this._currentElement.ImageSprite = sprite;
this._currentElement.Open(this._pageFadeTime, this._pageMoveX * (float)num1);
this.PlaySE(SoundPack.SystemSE.Page);
}
private void ReturnElement(TutorialLoadingImageUIElement elm)
{
if (Object.op_Equality((Object)elm, (Object)null) || this._elementPool.Contains(elm))
{
return;
}
this.SetActive((Component)elm, false);
this._elementPool.Add(elm);
}
private TutorialLoadingImageUIElement GetElement()
{
TutorialLoadingImageUIElement loadingImageUiElement = this._elementPool.PopFront <TutorialLoadingImageUIElement>();
if (Object.op_Equality((Object)loadingImageUiElement, (Object)null))
{
loadingImageUiElement = (TutorialLoadingImageUIElement)((GameObject)Object.Instantiate <GameObject>((M0)this._elementPrefab, this._elementRoot, false)).GetComponent <TutorialLoadingImageUIElement>();
}
loadingImageUiElement.CanvasAlpha = 0.0f;
((Component)loadingImageUiElement).get_transform().SetAsLastSibling();
this.SetActive((Component)loadingImageUiElement, true);
loadingImageUiElement.OnCloseEvent = (Action <TutorialLoadingImageUIElement>)(x => this.ReturnElement(x));
return(loadingImageUiElement);
}
private void SetupElement(int index)
{
if (Object.op_Inequality((Object)this._currentElement, (Object)null))
{
this.ReturnElement(this._currentElement);
this._currentElement = (TutorialLoadingImageUIElement)null;
}
TutorialLoadingImageUIElement loadingImageUiElement = this._currentElement = this.GetElement();
loadingImageUiElement.ImageSprite = this.GetSprite(ref index);
loadingImageUiElement.Index = index;
loadingImageUiElement.CanvasAlpha = 1f;
((Component)loadingImageUiElement).get_transform().set_localPosition(Vector3.get_zero());
}