public LinkedTree(T value)
{
this.value = value;
this.parent = null;
this.lastChild = null;
this.previous = (this.next = null);
}
internal void updateWidth(float srcWidth, float dstWidth)
{
if (srcWidth > 0f && dstWidth > 0f)
{
for (LinkedTree <Widget> linkedTree = base.LinkedTree.FirstChild; linkedTree != null; linkedTree = linkedTree.NextSibling)
{
Widget value = linkedTree.Value;
int num = (int)(value.Anchors & (Anchors)240);
if (num <= 32)
{
if (num != 0)
{
if (num != 16)
{
if (num == 32)
{
float num2 = value.X + value.Width;
float num3 = srcWidth - num2;
this.scaleWidth(value, dstWidth / srcWidth);
value.X = dstWidth - num3 - value.Width;
}
}
else
{
this.scaleWidth(value, dstWidth / srcWidth);
}
}
else
{
this.scaleX(value, dstWidth / srcWidth);
this.scaleWidth(value, dstWidth / srcWidth);
}
}
else if (num != 48)
{
if (num != 64)
{
if (num == 96)
{
value.X += dstWidth - srcWidth;
}
}
else
{
value.X += (dstWidth - srcWidth) / 2f;
}
}
else
{
float num4 = value.Width + dstWidth - srcWidth;
if (num4 > 0f)
{
value.Width = num4;
}
}
}
}
}
protected internal void ResetState(bool includeSelf)
{
LinkedTree <Widget> nextAsList = this.LinkedTree.LastDescendant.NextAsList;
for (LinkedTree <Widget> nextAsList2 = this.LinkedTree; nextAsList2 != nextAsList; nextAsList2 = nextAsList2.NextAsList)
{
if (includeSelf || !nextAsList2.Value.Equals(this))
{
nextAsList2.Value.OnResetState();
}
}
}
protected virtual void Dispose(bool disposing)
{
if (disposing && this.linkedTree != null)
{
this.linkedTree.RemoveChild();
for (LinkedTree <UIElement> nextAsList = this.linkedTree; nextAsList != null; nextAsList = nextAsList.NextAsList)
{
if (nextAsList.Value != null)
{
nextAsList.Value.DisposeSelf();
}
}
}
}
public void InsertChildBefore(LinkedTree <T> tree)
{
for (LinkedTree <T> linkedTree = tree.parent; linkedTree != null; linkedTree = linkedTree.parent)
{
}
this.RemoveChild();
LinkedTree <T> lastDescendant = this.LastDescendant;
this.parent = tree.parent;
this.previous = tree.previous;
lastDescendant.next = tree;
this.previous.next = this;
lastDescendant.next.previous = lastDescendant;
}
internal void updateHeight(float srcHeight, float dstHeight)
{
if (srcHeight > 0f && dstHeight > 0f)
{
for (LinkedTree <Widget> linkedTree = base.LinkedTree.FirstChild; linkedTree != null; linkedTree = linkedTree.NextSibling)
{
Widget value = linkedTree.Value;
switch (value.Anchors & (Anchors)15)
{
case Anchors.None:
this.scaleY(value, dstHeight / srcHeight);
this.scaleHeight(value, dstHeight / srcHeight);
break;
case Anchors.Top:
this.scaleHeight(value, dstHeight / srcHeight);
break;
case Anchors.Bottom:
{
float num = value.Y + value.Height;
float num2 = srcHeight - num;
this.scaleHeight(value, dstHeight / srcHeight);
value.Y = dstHeight - num2 - value.Height;
break;
}
case Anchors.Top | Anchors.Bottom:
{
float num3 = value.Height + dstHeight - srcHeight;
if (num3 > 0f)
{
value.Height = num3;
}
break;
}
case Anchors.Height:
value.Y += (dstHeight - srcHeight) / 2f;
break;
case Anchors.Bottom | Anchors.Height:
value.Y += dstHeight - srcHeight;
break;
}
}
}
}
protected internal virtual void Render()
{
for (LinkedTree <UIElement> linkedTree = this.rootUIElement.linkedTree; linkedTree != null; linkedTree = linkedTree.NextAsList)
{
UIElement value = linkedTree.Value;
if (value.Visible && !value.ZSort)
{
value.SetupFinalAlpha();
value.SetupDrawState();
value.Render();
}
else
{
linkedTree = linkedTree.LastDescendant;
}
}
}
internal void updateForEachDescendant(float elapsedTime)
{
LinkedTree <Widget> nextAsList = this.linkedTree.LastDescendant.NextAsList;
for (LinkedTree <Widget> linkedTree = this.linkedTree; linkedTree != nextAsList; linkedTree = linkedTree.NextAsList)
{
Widget value = linkedTree.Value;
if (value.Visible)
{
value.OnUpdate(elapsedTime);
}
else
{
linkedTree = linkedTree.LastDescendant;
}
}
}
public void RemoveChild()
{
if (this.parent != null)
{
LinkedTree <T> lastDescendant = this.LastDescendant;
if (this.parent.lastChild == this)
{
this.parent.lastChild = this.PreviousSibling;
}
this.previous.next = lastDescendant.next;
if (lastDescendant.next != null)
{
lastDescendant.next.previous = this.previous;
}
this.parent = null;
this.previous = (lastDescendant.next = null);
}
}
public void AddChildLast(LinkedTree <T> child)
{
for (LinkedTree <T> linkedTree = this.parent; linkedTree != null; linkedTree = linkedTree.parent)
{
}
child.RemoveChild();
LinkedTree <T> lastDescendant = this.LastDescendant;
LinkedTree <T> lastDescendant2 = child.LastDescendant;
child.parent = this;
child.previous = lastDescendant;
lastDescendant2.next = lastDescendant.next;
child.previous.next = child;
if (lastDescendant2.next != null)
{
lastDescendant2.next.previous = lastDescendant2;
}
this.lastChild = child;
}
internal virtual void AddZSortUIElements(ref UIElement zSortList)
{
for (LinkedTree <UIElement> linkedTree = this.rootUIElement.linkedTree; linkedTree != null; linkedTree = linkedTree.NextAsList)
{
UIElement value = linkedTree.Value;
if (value.Visible)
{
value.SetupFinalAlpha();
if (value.ZSort)
{
value.SetupSortValue();
value.nextZSortElement = zSortList;
zSortList = value;
}
}
else
{
linkedTree = linkedTree.LastDescendant;
}
}
}
public void InsertChildAfter(LinkedTree <T> tree)
{
for (LinkedTree <T> linkedTree = tree.parent; linkedTree != null; linkedTree = linkedTree.parent)
{
}
this.RemoveChild();
LinkedTree <T> lastDescendant = tree.LastDescendant;
LinkedTree <T> lastDescendant2 = this.LastDescendant;
this.parent = tree.parent;
this.previous = lastDescendant;
lastDescendant2.next = lastDescendant.next;
this.previous.next = this;
if (lastDescendant2.next != null)
{
lastDescendant2.next.previous = lastDescendant2;
}
if (this.parent.lastChild == tree)
{
this.parent.lastChild = this;
}
}
internal void RenderToFrameBuffer(FrameBuffer frameBuffer, ref Matrix4 transform, bool useOrthoProjection)
{
if (frameBuffer == null)
{
throw new ArgumentNullException("frameBuffer");
}
if (!frameBuffer.Status)
{
throw new ArgumentException("Frame buffer is not renderable.", "frameBuffer");
}
UISystem.IsOffScreenRendering = true;
GraphicsContext graphicsContext = UISystem.GraphicsContext;
int num = frameBuffer.Width;
int num2 = frameBuffer.Height;
Matrix4 viewProjectionMatrix = UISystem.ViewProjectionMatrix;
Matrix4 transform3D = this.Transform3D;
PivotType pivotType = this.PivotType;
this.Transform3D = transform;
this.PivotType = PivotType.TopLeft;
LinkedTree <Widget> parent = this.linkedTree.Parent;
LinkedTree <Widget> linkedTree = null;
if (parent != null)
{
linkedTree = this.LinkedTree.NextSibling;
this.linkedTree.RemoveChild();
}
graphicsContext.SetFrameBuffer(frameBuffer);
graphicsContext.SetColorMask((ColorMask)15);
UISystem.SetClipRegionFull();
graphicsContext.SetViewport(0, 0, num, num2);
graphicsContext.SetClearColor(0f, 0f, 0f, 1f);
graphicsContext.Clear();
if (useOrthoProjection)
{
float num3 = 100000f;
float num4 = -100000f;
UISystem.ViewProjectionMatrix = new Matrix4(2f / (float)num * UISystem.Scale, 0f, 0f, 0f, 0f, -2f / (float)num2 * UISystem.Scale, 0f, 0f, 0f, 0f, -2f / (num3 - num4), 0f, -1f, 1f, (num3 + num4) / (num3 - num4), 1f);
}
UISystem.Render(this);
graphicsContext.Enable((EnableMode)4u, true);
graphicsContext.SetBlendFuncRgb((BlendFuncMode)0, (BlendFuncFactor)0, (BlendFuncFactor)1);
graphicsContext.SetBlendFuncAlpha((BlendFuncMode)0, (BlendFuncFactor)9, (BlendFuncFactor)0);
UISystem.SetClipRegionFull();
UISprite uISprite = new UISprite(1);
UISpriteUnit unit = uISprite.GetUnit(0);
unit.SetPosition(-1f, -1f);
unit.Width = (float)frameBuffer.Width + 2f;
unit.Height = (float)frameBuffer.Height + 2f;
unit.Color = new UIColor(0f, 0f, 0f, 1f);
uISprite.Render();
graphicsContext.SetFrameBuffer(null);
UISystem.SetClipRegionFull();
graphicsContext.SetColorMask((ColorMask)7);
UISystem.ViewProjectionMatrix = viewProjectionMatrix;
if (linkedTree != null)
{
this.linkedTree.InsertChildBefore(linkedTree);
}
else if (parent != null)
{
parent.AddChildLast(this.linkedTree);
}
this.pivotType = pivotType;
this.Transform3D = transform3D;
UISystem.IsOffScreenRendering = false;
}