//Any other corner cases?
public bool IsBlocked(Character character, Point direction)
{
Point currentPosition = new Point(character.Coordinate.X, character.Coordinate.Y);
Tile currentTile = map[currentPosition.X, currentPosition.Y];
Point nextPosition = new Point(character.Coordinate.X + direction.X, character.Coordinate.Y + direction.Y);
if (nextPosition.X < 0 || nextPosition.X > (map.GetLength(0) - 1) || nextPosition.Y < 0 || nextPosition.Y > (map.GetLength(1) - 1)) // Beyond boundaries
{
return true;
}
else if (currentPosition.X == nextPosition.X && currentPosition.Y == nextPosition.Y) // Stay still - Invalid
{
return true;
}
else
{
Tile nextTile = map[nextPosition.X, nextPosition.Y];
if (currentPosition.X > nextPosition.X) // Left
{
return currentTile.FourWalls.HasFlag(Walls.West);
}
else if (currentPosition.X < nextPosition.X) // Right
{
return currentTile.FourWalls.HasFlag(Walls.East);
}
else
{
if (currentPosition.Y > nextPosition.Y) // Up
{
return currentTile.FourWalls.HasFlag(Walls.North);
}
else // Down
{
return currentTile.FourWalls.HasFlag(Walls.South);
}
}
}
}
public bool MoveCharacter(Character character, Point direction)
{
if (IsBlocked(character, direction))
{
return false;
}
else
{
// Update current position of character
character.Coordinate.X += direction.X;
character.Coordinate.Y += direction.Y;
return true;
}
}
// Check if thesesus is at Exit 'after' his every move
public bool IsExit(Character character)
{
Point currentPosition = new Point(character.Coordinate.X, character.Coordinate.Y);
Tile currentTile = map[currentPosition.X, currentPosition.Y];
if (currentTile.FourWalls.HasFlag(Walls.End))
{
return true;
}
else
{
return false;
}
}