public void UpdateMovePreview(int column)
{
if (Game.Finished || GetCurrentPlayerType == PlayerType.Computer)
{
return;
}
var row = GetEmptyRowIndex(column);
if (row == -1)
{
return;
}
if (Preview == null)
{
Preview = new ChipViewModel();
Chips.Add(Preview);
}
var previewChip = Preview.Chip;
previewChip.Column = column;
previewChip.Row = row;
previewChip.Player = Game.CurrentPlayer;
}
/// <summary>
/// Perform a move for the <see cref="Game.CurrentPlayer"/>
/// </summary>
/// <param name="column">Index between 0 (inclusive) and <see cref="Game.COLUMNS"/>(exlusive)</param>
private void DoMove(int column)
{
if (Game.Finished)
{
return;
}
var row = GetEmptyRowIndex(column);
if (row == -1)
{
return;
}
Game.Board[column, row] = Game.CurrentPlayer;
if (Preview == null)
{
Preview = new ChipViewModel();
Chips.Add(Preview);
}
var chip = Preview.Chip;
chip.Row = row;
chip.Column = column;
chip.Player = Game.CurrentPlayer;
if (HasCurrentPlayerWon())
{
Game.Finished = true;
return;
}
Preview = null;
Game.Turn++;
// Immediately perform the move for the AI
if (GetCurrentPlayerType == PlayerType.Computer)
{
// Determine best move
var rand = new Random();
var col = rand.Next(0, COLUMNS);
DoMove(col);
}
}
