void CheckHitBlock(object sender, MouseButtonEventArgs e, bool needPopBlock = true)
{
Canvas gameCanvas = UIHelper.FindVisualParent <Canvas>(sender as DependencyObject);
//InitializeGame();
Point mousepos = e.GetPosition(gameCanvas);
HitTestResult result = VisualTreeHelper.HitTest(gameCanvas, mousepos);
GeneralTransform generalTransform1 = ((UIElement)(result.VisualHit)).TransformToAncestor(gameCanvas);
Point currentPoint = generalTransform1.Transform(new Point(0, 0));
double left = currentPoint.X;
double top = currentPoint.Y;
uint row;
uint col;
LocateBlock(top, left, out row, out col);
if (needPopBlock)
{
PopBlock(row, col);
}
else
{
SingleBlock item = FindBlock(row, col);
MessageBox.Show("R" + item.Rowpos.ToString() + " C" + item.Columnpos.ToString() + " " + item.IsSelected.ToString()
+ " Color" + ((int)(item.BlockColor)).ToString());
}
}
private void AssembleSiblings(SingleBlock block)
{
checkedlist.Clear();
CommonTypes.BlockColor checkcolor = block.BlockColor;
// left: row, col - 1
// right: row, col + 1
// up: row+1, col
//down: row-1, col
if (openlist.Count != 0)
{
for (int i = 0; i < openlist.Count; i++)
{
SingleBlock item = openlist[i];
uint row = item.Rowpos;
uint col = item.Columnpos;
if (!checkedlist.Contains(item))
{
var foundblock = FindBlock(row, col - 1);
if (foundblock != null && !checkedlist.Contains(foundblock) && !openlist.Contains(foundblock) && foundblock.BlockColor == checkcolor)
{
openlist.Add(foundblock);
}
foundblock = FindBlock(row, col + 1);
if (foundblock != null && !checkedlist.Contains(foundblock) && !openlist.Contains(foundblock) && foundblock.BlockColor == checkcolor)
{
openlist.Add(foundblock);
}
foundblock = FindBlock(row + 1, col);
if (foundblock != null && !checkedlist.Contains(foundblock) && !openlist.Contains(foundblock) && foundblock.BlockColor == checkcolor)
{
openlist.Add(foundblock);
}
foundblock = FindBlock(row - 1, col);
if (foundblock != null && !checkedlist.Contains(foundblock) && !openlist.Contains(foundblock) && foundblock.BlockColor == checkcolor)
{
openlist.Add(foundblock);
}
checkedlist.Add(item);
}
}
}
}
void PopBlock(uint row, uint col)
{
SingleBlock block = FindBlock(row, col);
bool isSelectionMode = block.IsSelected;
if (!isSelectionMode)
{
if (openlist.Count == 0)
{
openlist.Add(block);
AssembleSiblings(block);
}
else
{
foreach (var item in openlist)
{
item.IsSelected = !item.IsSelected;
}
openlist.Clear();
openlist.Add(block);
AssembleSiblings(block);
}
}
if (openlist.Count > 1)
{
foreach (var item in openlist)
{
item.IsSelected = !item.IsSelected;
}
Refresh();
}
else//selected single block
{
openlist.Clear();
}
if (isSelectionMode)
{
openlist.Clear();
}
}
public void LoadBlocks()
{
ObservableCollection <SingleBlock> blocks = new ObservableCollection <SingleBlock>();
long tick = DateTime.Now.Ticks;
//Random ran = new Random((int)(tick & 0xffffffffL) | (int)(tick >> 32));
Random ran = new Random();
for (uint row = 0; row < CommonTypes.TOTALROWS; row++)
{
for (uint col = 0; col < CommonTypes.TOTALCOLUMNS; col++)
{
SingleBlock newBlock = new SingleBlock();
newBlock.Rowpos = row + 1;
newBlock.Columnpos = col + 1;
newBlock.BlockColor = (CommonTypes.BlockColor)ran.Next((int)CommonTypes.BlockColor.BlockColorRed, (int)CommonTypes.BlockColor.BlockColorPurple + 1);
blocks.Add(newBlock);
}
}
this.JudasBlocks = blocks;
}