public void RefreshRT()
{
RenderTarget2D rt = UI2D.Shared.RenderTarget1024_768;
if (dirty || hackFrame == Time.FrameCounter || rt.IsContentLost)
{
// Force another refresh 4 frames after dirty is set.
// Yes, this is an utterly absurd hack. But for some reason at startup
// the rt isn't fully rendered. By waiting 4 or more frames and then
// refreshing again, it works. No clue why.
if (dirty)
{
hackFrame = Time.FrameCounter + 4;
}
GraphicsDevice device = BokuGame.bokuGame.GraphicsDevice;
device.SetRenderTarget(rt);
SetViewPort(false, rt);
device.Clear(Color.White);
Vector2 pos = new Vector2(0.0f, 0.0f);
ScreenSpaceQuad quad = ScreenSpaceQuad.GetInstance();
ScreenSpaceQuad ssquad = ScreenSpaceQuad.GetInstance();
SpriteBatch batch = UI2D.Shared.SpriteBatch;
Vector2 baseSize = FixedSize;
Vector4 drawColor = GetDrawColor();
Texture2D buttonTexture = UI2D.Shared.BlackButtonTexture;
// Render rectangular baseplate of scroller (maybe a transparent texture...).
ssquad.Render(color_bgCurr, pos, baseSize - new Vector2(ScrollBoxSize.X, 0.0f));
// Render scroll bar
if (TotalContainerHeight > FixedSize.Y)
{
Vector2 barpos = GetBoxPos();
barpos.Y += pos.Y;
ssquad.Render(color_BarBase,
new Vector2(barpos.X + (ScrollBoxSize.X / 2.2f), 0.0f),
new Vector2(ScrollBoxSize.X / 9.0f, baseSize.Y));
ssquad.Render(color_Bar, barpos, ScrollBoxSize);
}
Vector2 seperatorSize = fixedSize;
seperatorSize.X -= ScrollBoxSize.X;
seperatorSize.Y = seperatorHeight;
float pastScrollDist = 0.0f;
indexFirstVisibleItem = -1;
indexLastVisibleItem = -1;
float prevContainerHeight = 0.0f;
for (int i = 0; i < scrollItems.Count; i++)
{
ScrollContainer sContainer = scrollItems[i];
Vector2 itemPos = pos;
itemPos.Y -= scrollOffset - pastScrollDist - seperatorHeight * i;
if (sContainer.Height >= ((scrollOffset - pastScrollDist) - sContainer.Height - prevContainerHeight))
{
if (indexFocusedItem == i)
{
ssquad.Render(color_FocusItemBase, itemPos, new Vector2(sContainer.Width, sContainer.Height));
}
sContainer.ResetWidth();
sContainer.Render(itemPos);
if (indexFirstVisibleItem < 0)
{
indexFirstVisibleItem = i;
}
if (itemPos.Y + 60 < (FixedSize.Y + relativePosition.Y))
{
indexLastVisibleItem = i;
}
}
scrollItems[i].UpdatePosition(itemPos);
prevContainerHeight = sContainer.Height;
pastScrollDist += sContainer.Height;
Vector2 seperatorOffset = pos;
seperatorOffset.Y += pastScrollDist - scrollOffset;
ssquad.Render(color_seperator, seperatorOffset, seperatorSize);
}
RestoreViewport();
device.SetRenderTarget(null);
dirty = false;
} // end if dirty
} // end of RefreshRT()
} // end of UnloadContent()
public void InsertItem(int pos, ScrollContainer item)
{
scrollItems.Insert(pos, item);
dirty = true;
}