/// <summary>
/// Get creature game board location coordinates.
/// </summary>
/// <returns>Creature location.</returns>
public CharacterGameBoardLocation GetCharacterGameBoardLocation()
{
CharacterGameBoardLocation charLocation = new CharacterGameBoardLocation();
double row, col, rowRounded, colRounded;
col = coordinates.X / 50;
row = coordinates.Y / 50;
// Direction change is allowed if we are in even grid (with respect to
// the gameBoard table v.s. canvas coordinates).
if (col % 1 == 0 && row % 1 == 0)
{
allowDirectionChange = true;
}
else
{
allowDirectionChange = false;
}
// If character is going UP or LEFT, we ceil the canvas coordinates, otherwise we will
// floor the coordinates. This is to align the canvas coordinates (pixels) with the
// 50 x 50 game board grid blocks.
if (creatureDirection == (int)Directions.UP || creatureDirection == (int)Directions.LEFT)
{
rowRounded = Math.Ceiling(row);
colRounded = Math.Ceiling(col);
}
else
{
rowRounded = Math.Floor(row);
colRounded = Math.Floor(col);
}
charLocation.Row = (int)rowRounded;
charLocation.Col = (int)colRounded;
return(charLocation);
}
/// <summary>
/// Checks whether the Hero collides with the tablet (eats the tablet) and
/// updates score.
/// </summary>
/// <param name="pacman">Copy of the Hero.</param>
/// <returns>
/// TRUE = Hero collided with a tablet.
/// FALSE = Hero didn't collide with a tablet.
/// </returns>
public bool DoesHeroCollideWithTablet(Hero pacman)
{
CharacterGameBoardLocation heroLocation = pacman.GetCharacterGameBoardLocation();
if (gameBoard.IsCurrentCoordTablet(heroLocation.Row, heroLocation.Col))
{
gameBoard.Dispatcher.BeginInvoke((Action)(() =>
{
int score;
int.TryParse(gameBoard.labelScore.Content.ToString(), out score);
gameBoard.labelScore.Content = score + 1;
Rectangle tabletToRemove = gameBoard.GetCurrentTablet(heroLocation.Row, heroLocation.Col);
gameBoard.gameBoardCanvas.Children.Remove(tabletToRemove);
gameBoard.RemoveTablet(heroLocation.Row, heroLocation.Col);
}), DispatcherPriority.Normal, null);
return(true);
}
return(false);
}
/// <summary>
/// Gets the possible directions, based on the game board layout.
/// </summary>
/// <returns>Possible directions.</returns>
protected CharacterPossibleDirections GetPossibleDirections()
{
CharacterPossibleDirections direction = new CharacterPossibleDirections();
CharacterGameBoardLocation charLocation = GetCharacterGameBoardLocation();
if (!gameBoardLayout[charLocation.Row, charLocation.Col + 1].Equals('W'))
{
direction.Right = (int)Directions.RIGHT;
}
if (!gameBoardLayout[charLocation.Row, charLocation.Col - 1].Equals('W'))
{
direction.Left = (int)Directions.LEFT;
}
if (!gameBoardLayout[charLocation.Row + 1, charLocation.Col].Equals('W'))
{
direction.Down = (int)Directions.DOWN;
}
if (!gameBoardLayout[charLocation.Row - 1, charLocation.Col].Equals('W'))
{
direction.Up = (int)Directions.UP;
}
return(direction);
}