private void TileIsInCorrectPosition(MyTextView view)
{
int viewIndex = 0;
foreach (MyTextView v in _tiles)
{
if (view == v)
{
break;
}
viewIndex++;
}
if (_tiles[viewIndex].XPos == _coords[viewIndex].X && _tiles[viewIndex].YPos == _coords[viewIndex].Y)
{
view.SetBackgroundColor(_correctCoordColor);
}
else
{
view.SetBackgroundColor(_wrongCoordColor);
}
}
private void MakeTiles()
{
_tileWidth = _gameViewWidth / 4;
int counter = 1;
for (int h = 0; h < 4; h++)
{
for (int v = 0; v < 4; v++)
{
MyTextView textTile = new MyTextView(this);
GridLayout.Spec rowSpec = GridLayout.InvokeSpec(h);
GridLayout.Spec colSpec = GridLayout.InvokeSpec(v);
GridLayout.LayoutParams tileLayoutParams = new GridLayout.LayoutParams(rowSpec, colSpec);
Point thisLoc = new Point(v, h);
tileLayoutParams.Width = _tileWidth - 10;
tileLayoutParams.Height = _tileWidth - 10;
tileLayoutParams.SetMargins(5, 5, 5, 5);
textTile.Text = (counter++).ToString();
textTile.TextSize = 40;
textTile.SetTextColor(Color.Black);
textTile.Gravity = GravityFlags.Center;
textTile.LayoutParameters = tileLayoutParams;
textTile.SetBackgroundColor(_wrongCoordColor);
textTile.Touch += TextTile_Touch;
textTile.XPos = thisLoc.X;
textTile.YPos = thisLoc.Y;
_coords.Add(thisLoc);
_tiles.Add(textTile);
_mainLayout.AddView(textTile);
}
}
_mainLayout.RemoveView(_tiles[15]);
_tiles.RemoveAt(15);
}
private void TextTile_Touch(object sender, View.TouchEventArgs e)
{
if (!_isPuzzleSolved)
{
if (e.Event.Action == MotionEventActions.Up)
{
MyTextView thisTile = sender as MyTextView;
//determine if the square that was clicked is next to the open space
if (Math.Sqrt(Math.Pow((thisTile.XPos - _emptyLocation.X), 2) +
Math.Pow(thisTile.YPos - _emptyLocation.Y, 2)) == 1)
{
//save the location of the clicked button before moving it to the location that the empty square occupies
Point currentPoint = new Point(thisTile.XPos, thisTile.YPos);
GridLayout.Spec rowSpec = GridLayout.InvokeSpec(_emptyLocation.Y);
GridLayout.Spec colSpec = GridLayout.InvokeSpec(_emptyLocation.X);
GridLayout.LayoutParams newLocParams = new GridLayout.LayoutParams(rowSpec, colSpec);
thisTile.XPos = _emptyLocation.X;
thisTile.YPos = _emptyLocation.Y;
newLocParams.Width = _tileWidth - 10;
newLocParams.Height = _tileWidth - 10;
newLocParams.SetMargins(5, 5, 5, 5);
thisTile.LayoutParameters = newLocParams;
//move the empty square to the location originally occupied by the tile
_emptyLocation = currentPoint;
TileIsInCorrectPosition(thisTile);
}
System.Diagnostics.Debug.WriteLine($"\r\r\rThis tile is at ({thisTile.XPos},{thisTile.YPos})");
}
}
}