private void Move(ScratchRover rover)
{
if (PreviousX.Count > 4)
{
PreviousX.RemoveAt(PreviousX.Count - 1);
}
PreviousX.Insert(0, PosX);
if (PreviousY.Count > 4)
{
PreviousY.RemoveAt(PreviousY.Count - 1);
}
PreviousY.Insert(0, PosY);
if (moveDir == Direction.Up)
{
PosY -= 1; // Reversed for Scratch
}
else if (moveDir == Direction.Right)
{
PosX += 1;
}
else if (moveDir == Direction.Down)
{
PosY += 1; // Reversed for scratch
}
else
{
PosX -= 1;
}
rover.Move(moveDir);
}
public Boolean Step(ScratchRover rover)
{
if (rover == null)
{
throw new ArgumentNullException(nameof(rover));
}
if (rover.CollectSample())
{
return(true);
}
if (rover.ProcessSamples())
{
return(true);
}
if (rover.Transmit())
{
return(true);
}
Int32 num = _random.Next(0, 4);
if (num == 0)
{
rover.Move(Direction.Up);
}
else if (num == 1)
{
rover.Move(Direction.Right);
}
else if (num == 2)
{
rover.Move(Direction.Down);
}
else if (num == 3)
{
rover.Move(Direction.Left);
}
if (rover.IsHalted)
{
return(true);
}
return(rover.CollectPower());
}
private void Move(ScratchRover rover)
{
if (_moveDir == Direction.Up)
{
if (_adjacentSquares[0] != TerrainType.Impassable)
{
_posY -= 1; // Reversed for Scratch
}
else
{
throw new InvalidOperationException();
}
}
else if (_moveDir == Direction.Right)
{
if (_adjacentSquares[1] != TerrainType.Impassable)
{
_posX += 1;
}
else
{
throw new InvalidOperationException();
}
}
else if (_moveDir == Direction.Down)
{
if (_adjacentSquares[2] != TerrainType.Impassable)
{
_posY += 1; // Reversed for scratch
}
else
{
throw new InvalidOperationException();
}
}
else if (_moveDir == Direction.Left)
{
if (_adjacentSquares[3] != TerrainType.Impassable)
{
_posX -= 1;
}
else
{
throw new InvalidOperationException();
}
}
rover.Move(_moveDir);
}
public Boolean Step(ScratchRover rover)
{
if (rover == null)
{
throw new ArgumentNullException(nameof(rover));
}
Direction smoothSquare = Direction.None;
SenseAdjacentSquares(rover);
for (Int32 i = 0; i < Direction.DirectionCount; i++)
{
if (adjacentSquares[i] == TerrainType.Smooth)
{
smoothSquare = (Direction)i;
break;
}
}
if (rover.Power < 30 || (smoothSquare == Direction.None && adjacentSquares[4] == TerrainType.Smooth))
{
if (rover.Power < 51 * rover.MovesLeft)
{
rover.CollectPower();
}
}
if (rover.MovesLeft < 3)
{
if (rover.MovesLeft == 2)
{
rover.ProcessSamples();
rover.Transmit();
return(true);
}
rover.Transmit();
}
if (rover.Power < 41)
{
if (rover.Power > 10)
{
rover.CollectPower();
}
if (rover.Power < 41)
{
rover.Transmit();
}
}
if (adjacentSquares[4] == TerrainType.Smooth || adjacentSquares[4] == TerrainType.Rough)
{
rover.CollectSample();
if (rover.SamplesCollected >= 3)
{
rover.ProcessSamples();
}
}
if (adjacentSquares.Contains(TerrainType.Smooth))
{
if (adjacentSquares[0] == TerrainType.Smooth)
{
rover.Move(Direction.Up);
}
else if (adjacentSquares[1] == TerrainType.Smooth)
{
rover.Move(Direction.Right);
}
else if (adjacentSquares[2] == TerrainType.Smooth)
{
rover.Move(Direction.Down);
}
else if (adjacentSquares[3] == TerrainType.Smooth)
{
rover.Move(Direction.Left);
}
}
else
{
Int32 num = _random.Next(0, 4);
if (num == 0)
{
rover.Move(Direction.Up);
}
else if (num == 1)
{
rover.Move(Direction.Right);
}
else if (num == 2)
{
rover.Move(Direction.Down);
}
else if (num == 3)
{
rover.Move(Direction.Left);
}
}
return(false);
}
