public static yyRect Create(int _width, int _height)
{
yyRect yyRect = new yyRect(0, 0, _width, _height);
yyRect.Children = new List <yyRect>();
yyRect.Children.Add(yyRect);
return(yyRect);
}
public bool Alloc(TexturePageEntry _entry, out int _X, out int _Y)
{
bool flag = false;
bool flag2 = false;
_X = -1;
_Y = -1;
int num = GridSizeX;
int num2 = GridSizeY;
int num3 = _entry.W;
int num4 = _entry.H;
if (_entry.OriginalRepeatBorder)
{
num += _entry.RepeatX;
num2 += _entry.RepeatY;
}
if (num3 < Bitmap.Width)
{
num3 += num;
num3 += num;
num3 = ((num3 + 3) & -4);
flag = true;
}
if (num4 < Bitmap.Height)
{
num4 += num2;
num4 += num2;
num4 = ((num4 + 3) & -4);
flag2 = true;
}
_entry.RepeatBorder = _entry.OriginalRepeatBorder;
if (!flag || !flag2)
{
_entry.RepeatBorder = false;
}
yyRect yyRect = TextureRects.Test(num3, num4);
if (yyRect != null)
{
Point point = TextureRects.AddImage(yyRect, num3, num4);
_X = point.X;
_Y = point.Y;
if (flag)
{
_X += num;
}
if (flag2)
{
_Y += num2;
}
AreaFree -= num3 * num4;
return(true);
}
return(false);
}
public void Resize(int width, int height)
{
AreaFree = width * height;
Bitmap = new Bitmap(width, height, PixelFormat.Format32bppArgb);
using (Graphics graphics = Graphics.FromImage(Bitmap))
{
graphics.Clear(Color.FromArgb(0));
}
TextureRects = yyRect.Create(width, height);
}
public Point AddImage(yyRect _rect, int _width, int _height)
{
if (_rect == null)
{
return(new Point(-1, -1));
}
bool _full = false;
List <yyRect> list = _rect.AddImageEx(_width, _height, out _full);
int num = _rect.x;
int num2 = _rect.y;
if (_full || (list != null && list.Count != 0))
{
if (_rect != this)
{
Children.Remove(_rect);
}
if (list != null && list.Count != 0)
{
if (Children == null)
{
Children = new List <yyRect>(64);
}
AddRange(list);
}
}
List <yyRect> list2 = new List <yyRect>(64);
List <yyRect> list3 = new List <yyRect>(64);
foreach (yyRect child in Children)
{
_full = false;
list = child.Clip(num, num2, _width, _height, out _full);
if (_full || (list != null && list.Count != 0))
{
list2.Add(child);
if (list != null && list.Count != 0)
{
list3.AddRange(list);
}
}
}
foreach (yyRect item in list2)
{
Children.Remove(item);
}
if (list3.Count != 0)
{
AddRange(list3);
}
CompactList();
return(new Point(num, num2));
}
public yyRect Test(int _width, int _height)
{
arealeft = 0;
if (Children.Count == 0)
{
return(null);
}
yyRect result = null;
foreach (yyRect child in Children)
{
foreach (yyRect child2 in Children)
{
bool _full = false;
if (child2.width >= _width && child2.height >= _height)
{
List <yyRect> list = child.Clip(child2.x, child2.y, _width, _height, out _full);
if (list == null && _full)
{
arealeft = child.arealeft;
result = child2;
}
else if (list != null && list.Count != 0)
{
foreach (yyRect item in list)
{
if (item != null && arealeft < item.arealeft)
{
arealeft = item.arealeft;
result = child2;
}
}
}
else if (arealeft < child.arealeft)
{
arealeft = child.arealeft;
result = child2;
}
}
}
}
return(result);
}
