/// <summary>
/// Calculate area prioritizing vertically
/// </summary>
/// <param name="block"></param>
/// <param name="vert"></param>
/// <param name="hori"></param>
public GroupData CalcAreaVert(Block block, Direction vert, Direction hori)
{
Block place = block;
Block current = null;
Block cornerBlock = null;
GroupData data = new GroupData();
int height = 0;
int currentHeight = 0;
int width = boundary.width + 1;
int currentWidth = 0;
switch (hori)
{
case Direction.left:
IterateHori = SameLeft;
break;
case Direction.right:
IterateHori = SameRight;
break;
default:
return(data);
}
switch (vert)
{
case Direction.up:
IterateVert = SameUp;
break;
case Direction.down:
IterateVert = SameDown;
break;
default:
return(data);
}
//Iterate prioritizing vertical
while (place != null && place.IsGrouped() == false)
{
currentWidth = 0;
current = place;
//Check if current block is null,.IsGrouped(), or passed the width
while (current != null && current.IsGrouped() == false && currentWidth < width)
{
//This currently priorites vertical rectangles
if (currentWidth >= 2)
{
cornerBlock = current;
}
current = IterateHori(current);
currentWidth++;
}
//Iterate vertically
place = IterateVert(place);
if (currentWidth >= 2)
{
height++;
//Set height to shortest height
if (width > currentWidth)
{
width = currentWidth;
}
}
else
{
return(data);
}
currentHeight++;
}
if (width == boundary.width + 1 || width <= 1 || height <= 1)
{
return(data);
}
data.width = width;
data.height = height;
width = width - 1;
height = height - 1;
int x = block.X;
int y = block.Y;
//Corners will be opposite of the direction the data points (up and left means block is bottom right corner
if (vert.Equals(Direction.up) && hori.Equals(Direction.left))
{
data.topLeft = board.GetBlock(x - width, y + height);
data.topRight = board.GetBlock(x, y + height);
data.bottomLeft = board.GetBlock(x - width, y);
data.bottomRight = block;
}
else if (vert.Equals(Direction.up) && hori.Equals(Direction.right))
{
data.topLeft = board.GetBlock(x, y + height);
data.topRight = board.GetBlock(x + width, y + height);
data.bottomLeft = block;
data.bottomRight = board.GetBlock(x + width, y);
}
else if (vert.Equals(Direction.down) && hori.Equals(Direction.left))
{
data.topLeft = board.GetBlock(x - width, y);
data.topRight = block;
data.bottomLeft = board.GetBlock(x - width, y - height);
data.bottomRight = board.GetBlock(x, y - height);
}
else if (vert.Equals(Direction.down) && hori.Equals(Direction.right))
{
data.topLeft = block;
data.topRight = board.GetBlock(x + width, y);
data.bottomLeft = board.GetBlock(x, y - height);
data.bottomRight = board.GetBlock(x + width, y - height);
}
return(data);
}
