private void ModelBlockChangedEventHandler(object sender, BlockChangedEventArgs e)
{
if (!e.Disappeared)
{
if (!_blocksByPosition.Keys.Contains(e.BlockUpdated.Position))
{
// Create a new BlockControl.
var blockControl = TetrisControlHelper.BlockControlFactory(e.BlockUpdated, Scale);
_blocksByPosition.Add(e.BlockUpdated.Position, blockControl);
_sprites.Add(blockControl);
}
else
{
// In this case we come across a overdrawn block, that is, has been called 'appeared' twice.
// Should this scenario happen, we simply ignore this.
// TODO: Check if this scenario is reasonable.
}
}
else
{
if (_blocksByPosition.Keys.Contains(e.BlockUpdated.Position))
{
_sprites.Remove(_blocksByPosition[e.BlockUpdated.Position]);
_blocksByPosition.Remove(e.BlockUpdated.Position);
}
}
}
private void RecreateAssistGrids()
{
foreach (var line in _assistGridLines)
{
if (_sprites.Contains(line))
{
_sprites.Remove(line);
}
}
_assistGridLines.Clear();
if (!RenderGridAssistance)
{
return;
}
for (var x = 0; x < TetrisConst.PlayAreaWidth; x++)
{
var scanLine = TetrisControlHelper.VerticalAssistGridLineFactory(
x, TetrisConst.PlayAreaHeight, Scale);
_assistGridLines.Add(scanLine);
_sprites.Add(scanLine);
}
for (var y = 0; y < TetrisConst.PlayAreaHeight; y++)
{
var scanLine = TetrisControlHelper.HorizontalAssistGridLineFactory(
y, TetrisConst.PlayAreaWidth, Scale);
_assistGridLines.Add(scanLine);
_sprites.Add(scanLine);
}
}
private void ModelBlockChangedEventHandler(object sender, BlockChangedEventArgs e)
{
if (!e.Disappeared)
{
if (!_blocksByPosition.Keys.Contains(e.BlockUpdated.Position))
{
// Create a new BlockControl.
var blockControl =
TetrisControlHelper.AnnotatedBlockControlFactory(e.BlockUpdated, RenderColors, Scale);
_blocksByPosition.Add(e.BlockUpdated.Position, blockControl);
_sprites.Add(blockControl);
}
}
else
{
if (_blocksByPosition.Keys.Contains(e.BlockUpdated.Position))
{
_sprites.Remove(_blocksByPosition[e.BlockUpdated.Position]);
_blocksByPosition.Remove(e.BlockUpdated.Position);
}
}
}