private Point GetNextPoint(Point myPosition, Interface.Direction absoluteDirection)
{
switch (absoluteDirection)
{
case Interface.Direction.Top:
return(new Point(myPosition.X, myPosition.Y - 1));
case Interface.Direction.TopRight:
return(new Point(myPosition.X + 1, myPosition.Y - 1));
case Interface.Direction.Right:
return(new Point(myPosition.X + 1, myPosition.Y));
case Interface.Direction.BottomRight:
return(new Point(myPosition.X + 1, myPosition.Y + 1));
case Interface.Direction.Bottom:
return(new Point(myPosition.X, myPosition.Y + 1));
case Interface.Direction.BottomLeft:
return(new Point(myPosition.X - 1, myPosition.Y + 1));
case Interface.Direction.Left:
return(new Point(myPosition.X - 1, myPosition.Y));
case Interface.Direction.TopLeft:
return(new Point(myPosition.X - 1, myPosition.Y - 1));
}
throw new InvalidProgramException("uuu");
}
private bool IsCrossColision(Point newPosition, Interface.Direction direction)
{
switch (direction)
{
case Interface.Direction.TopRight: return((_currentSurrond[newPosition.X, newPosition.Y + 1] != 0) && (_currentSurrond[newPosition.X - 1, newPosition.Y] != 0));
case Interface.Direction.BottomRight: return((_currentSurrond[newPosition.X, newPosition.Y - 1] != 0) && (_currentSurrond[newPosition.X - 1, newPosition.Y] != 0));
case Interface.Direction.BottomLeft: return((_currentSurrond[newPosition.X, newPosition.Y - 1] != 0) && (_currentSurrond[newPosition.X + 1, newPosition.Y] != 0));
case Interface.Direction.TopLeft: return((_currentSurrond[newPosition.X, newPosition.Y + 1] != 0) && (_currentSurrond[newPosition.X + 1, newPosition.Y] != 0));
}
return(false);
}
private Interface.Direction GetAbsoluteDirection(Interface.Direction direction, Interface.Move move)
{
if (move == Interface.Move.Left)
{
if (direction == Interface.Direction.Top)
{
return(Interface.Direction.TopLeft);
}
return(direction - 1);
}
if (move == Interface.Move.Right)
{
if (direction == Interface.Direction.TopLeft)
{
return(Interface.Direction.Top);
}
return(direction + 1);
}
return(direction);
}
private bool GetIfMoveIsSafe(Point currentPosition, Interface.Direction currentDirection, Interface.Move move, int numberOfSafeMoves)
{
if (numberOfSafeMoves == 0)
{
return(true);
}
Interface.Direction absoluteDirection = GetAbsoluteDirection(currentDirection, move);
Point nextPoint = GetNextPoint(currentPosition, absoluteDirection);
if (nextPoint.X >= _sizeOfTable || nextPoint.X < 0 || nextPoint.Y >= _sizeOfTable || nextPoint.Y < 0)
{
return(false);
}
if (_currentSurrond[nextPoint.X, nextPoint.Y] != 0)
{
return(false);
}
if (IsCrossColision(nextPoint, absoluteDirection))
{
return(false);
}
numberOfSafeMoves--;
foreach (var nextMove in _moveList)
{
if (GetIfMoveIsSafe(nextPoint, absoluteDirection, nextMove, numberOfSafeMoves))
{
return(true);
}
}
return(false);
}
public void Init(int direction, int identificator)
{
_myCurrentDirection = (Interface.Direction)direction;
_myIdentificatior = identificator;
}
private void RecalculateNextPositionAndDirection(Interface.Move move)
{
_myCurrentDirection = GetAbsoluteDirection(_myCurrentDirection, move);
MyCurrentPosition = GetNextPoint(MyCurrentPosition, _myCurrentDirection);
}