protected override void OnStart()
{
if (this.Interpolator == FlipBoardEffectInterpolator.Custom && this.CustomInterpolator != null)
{
this.interpolatorCallback = this.CustomInterpolator;
}
else
{
this.interpolatorCallback = new AnimationInterpolator(AnimationUtility.FlipBounceInterpolator);
}
int num;
int num2;
int num3;
int num4;
if (UISystem.Scaled)
{
num = (int)(base.Widget.Width * UISystem.Scale);
num2 = (int)(base.Widget.Height * UISystem.Scale);
num3 = (int)(this.NextWidget.Width * UISystem.Scale);
num4 = (int)(this.NextWidget.Height * UISystem.Scale);
}
else
{
num = (int)base.Widget.Width;
num2 = (int)base.Widget.Height;
num3 = (int)this.NextWidget.Width;
num4 = (int)this.NextWidget.Height;
}
if (!UISystem.CheckTextureSizeCapacity(num, num2) || !UISystem.CheckTextureSizeCapacity(num3, num4))
{
throw new ArgumentOutOfRangeException();
}
Texture2D texture2D = new Texture2D(num, num2, false, (PixelFormat)1, (PixelBufferOption)1);
base.Widget.RenderToTexture(texture2D);
ImageAsset imageAsset = new ImageAsset(texture2D);
imageAsset.AdjustScaledSize = true;
texture2D.Dispose();
Texture2D texture2D2 = new Texture2D(num3, num4, false, (PixelFormat)1, (PixelBufferOption)1);
this.NextWidget.RenderToTexture(texture2D2);
ImageAsset imageAsset2 = new ImageAsset(texture2D2);
imageAsset2.AdjustScaledSize = true;
texture2D2.Dispose();
float width = base.Widget.Width;
float num5 = base.Widget.Height / 2f;
float width2 = this.NextWidget.Width;
float num6 = this.NextWidget.Height / 2f;
PivotType pivotType = base.Widget.PivotType;
base.Widget.PivotType = PivotType.MiddleCenter;
this.centerPosition = new Vector2(base.Widget.X, base.Widget.Y);
base.Widget.PivotType = pivotType;
pivotType = this.NextWidget.PivotType;
this.NextWidget.PivotType = PivotType.MiddleCenter;
this.NextWidget.Transform3D = Matrix4.Translation(this.centerPosition.X, this.centerPosition.Y, 0f);
this.NextWidget.PivotType = pivotType;
this.currentUpperSprt = new UISprite(1);
this.currentUpperSprt.X = this.centerPosition.X;
this.currentUpperSprt.Y = this.centerPosition.Y - num5 * 0.5f;
this.currentUpperSprt.Image = imageAsset;
this.currentUpperSprt.ShaderType = ShaderType.OffscreenTexture;
this.currentUpperSprt.BlendMode = BlendMode.Premultiplied;
UISpriteUnit unit = this.currentUpperSprt.GetUnit(0);
unit.X = -width * 0.5f;
unit.Y = -num5 * 0.5f;
unit.Width = width;
unit.Height = num5;
unit.V2 = 0.5f;
this.currentLowerSprt = new UISprite(1);
this.currentLowerSprt.X = this.centerPosition.X;
this.currentLowerSprt.Y = this.centerPosition.Y + num5 * 0.5f;
this.currentLowerSprt.Image = imageAsset;
this.currentLowerSprt.ShaderType = ShaderType.OffscreenTexture;
this.currentLowerSprt.BlendMode = BlendMode.Premultiplied;
UISpriteUnit unit2 = this.currentLowerSprt.GetUnit(0);
unit2.X = -width * 0.5f;
unit2.Y = -num5 * 0.5f;
unit2.Width = width;
unit2.Height = num5;
unit2.V1 = 0.5f;
this.nextUpperSprt = new UISprite(1);
this.nextUpperSprt.X = this.centerPosition.X;
this.nextUpperSprt.Y = this.centerPosition.Y - num6 * 0.5f;
this.nextUpperSprt.Image = imageAsset2;
this.nextUpperSprt.ShaderType = ShaderType.OffscreenTexture;
this.nextUpperSprt.BlendMode = BlendMode.Premultiplied;
UISpriteUnit unit3 = this.nextUpperSprt.GetUnit(0);
unit3.X = -width2 * 0.5f;
unit3.Y = -num6 * 0.5f;
unit3.Width = width2;
unit3.Height = num6;
unit3.V2 = 0.5f;
this.nextLowerSprt = new UISprite(1);
this.nextLowerSprt.X = this.centerPosition.X;
this.nextLowerSprt.Y = this.centerPosition.Y + num6 * 0.5f;
this.nextLowerSprt.Image = imageAsset2;
this.nextLowerSprt.ShaderType = ShaderType.OffscreenTexture;
this.nextLowerSprt.BlendMode = BlendMode.Premultiplied;
UISpriteUnit unit4 = this.nextLowerSprt.GetUnit(0);
unit4.X = -width2 * 0.5f;
unit4.Y = -num6 * 0.5f;
unit4.Width = width2;
unit4.Height = num6;
unit4.V1 = 0.5f;
base.Widget.Parent.RootUIElement.AddChildLast(this.currentLowerSprt);
this.NextWidget.Parent.RootUIElement.AddChildLast(this.nextUpperSprt);
base.Widget.Parent.RootUIElement.AddChildLast(this.currentUpperSprt);
this.NextWidget.Parent.RootUIElement.AddChildLast(this.nextLowerSprt);
this.degree = 0f;
this.turnupTime = this.Time;
this.secondZOffset = num5 / 4f;
base.Widget.Visible = false;
this.NextWidget.Visible = false;
this.currentUpperSprt.Culling = true;
this.nextLowerSprt.Culling = true;
this.currentUpperSprt.ZSort = true;
this.currentLowerSprt.ZSort = true;
this.nextUpperSprt.ZSort = true;
this.nextLowerSprt.ZSort = true;
this.currentUpperSprt.ZSortOffset = -this.secondZOffset - this.firstZOffset;
this.currentLowerSprt.ZSortOffset = 0f;
this.nextUpperSprt.ZSortOffset = -this.firstZOffset;
this.nextLowerSprt.ZSortOffset = -this.secondZOffset - this.firstZOffset;
this.RotateNextLowerSprite();
}