public bool CanMove(int x, int y)
{
IPlayer currentPlayer = GetCurrentPlayer();
Coord nextStep = currentPlayer.CalculateNextStep(x, y);
bool isInGameField = DrawingEngine.IsInGameField(nextStep);
if (isInGameField)
{
bool isFieldFree = IsFieldFree(nextStep);
if (isFieldFree)
{
return(true);
}
else
{
DrawingEngine.ShowMessage("You can't move there! Try again!");
}
}
else
{
DrawingEngine.ShowMessage("You can't move outside the field! Try again!");
}
return(false);
}
private bool IsFieldFree(Coord nextStep)
{
IGameObject gameObject = GetObjectOnNextStep(nextStep);
if (gameObject != null)
{
DrawingEngine.ShowMessage("You have just met an object!");
if (gameObject is Obstacle)
{
(gameObject as IEnemy).ApplyEffects(GetCurrentPlayer());
return(false);
}
else if (gameObject is IEnemy)
{
(gameObject as IEnemy).ApplyEffects(GetCurrentPlayer());
return(true);
}
else if (gameObject is IFriend)
{
(gameObject as IFriend).ApplyEffects(GetCurrentPlayer());
return(true);
}
else if (gameObject is ITarget)
{
DrawingEngine.ShowMessage(GetCurrentPlayer().Name + " wins the game! Start a new game!");
}
return(false);
}
foreach (IPlayer obj in players)
{
if (obj.IsVisible && obj.Location.X == nextStep.X && obj.Location.Y == nextStep.Y)
{
return(false);
}
}
return(true);
}