//Event callers
protected void OnTileSelecting(GameBoard t, TileSelectingEventArgs e)
{
TileSelectingHandler handler = TileSelecting;
if (handler != null)
{
handler(t, e);
}
}
/*
* Handles the GameBoard Tile Selecting event and creates the neccasary feedback for players to see what moves they can make and what they have selected
*/
public void TileSelecting(GameBoard sender, TileSelectingEventArgs e)
{
if (aPlayerHasWon)
{
e.CancelEvent();
return;
}
//The selected tile must be either a piece or a move of the previously selected piece
if (sender.getSelectedTile() != null && sender.getSelectedTile() == e.tile) //Reselected the previous tile
{ //Deselect the previous move and prevent the event
DeselectTile(sender.getSelectedTile());
sender.DeselectTile();
e.CancelEvent();
return;
}
else if (sender.getSelectedTile() != null && sender.getSelectedPiece() != null && sender.getSelectedMoves().Contains(sender.getSelectedLocation(), e.location)) //Selecting a move from the previous selected piece
{ //Execute the move and clean up the GUI
//Removes the gui elements
DeselectTile(sender.getSelectedTile());
//Execute the planned move on the board
if (gameBoard.movePiece(sender.getSelectedLocation(), e.location))
{
//Get ready for next move
sender.DeselectTile();
}
else
{//Moving failed, reset to last position
SelectTile(sender.getSelectedTile());
}
e.CancelEvent();
return;
}
else if (sender.pieceAtLocation(e.location) && sender.getPiece(e.location).color == PlayerColor) //Selecting a new piece
{ //Deselect the previous tile
if (sender.getSelectedTile() != null)
{
DeselectTile(sender.getSelectedTile());
}
}
else
{//Else invalid selection
e.CancelEvent();
return;
}
}
public void TileClicked(object obj, EventArgs e)
{
Tile tile = (Tile)obj;
//Invoke the pre tile selected event
TileSelectingEventArgs eventArgs = new TileSelectingEventArgs(tile);
OnTileSelecting(this, eventArgs);
//Allow the event to be cancelled from within selecting
if (eventArgs.IsEventCancelled())
{
return;
}
//Set as the new seleceted tile
this._selectedTile = tile;
//Invoke the post tile selected event
OnTileSelected(this, new TileSelectedEventArgs(tile));
}