public PointDetail GetPoint(int x, int y)
{
if (x < MinX)
{
throw new Exception($"Cannot get point where {nameof(x)} is less than {nameof(MinX)} {MinX}");
}
if (y < MinY)
{
throw new Exception($"Cannot get point where {nameof(y)} is less than {nameof(MinY)} {MinY}");
}
if (x > MaxX)
{
throw new Exception($"Cannot get point where {nameof(x)} is greater than {nameof(MaxX)} {MaxX}");
}
if (y > MaxY)
{
throw new Exception($"Cannot get point where {nameof(y)} is greater than {nameof(MaxY)} {MaxY}");
}
var point = new PointDetail(x, y);
// find all the path intersections
foreach (var path in Paths)
{
var intersect = point.GetPathIntersect(path);
if (intersect != null)
{
point.AddPathIntersect(intersect);
}
}
// find all background intersections
point.AddBackgroundItem(BackgroundItems.Where(i =>
i.TopLeftX <= x &&
(i.TopLeftX + i.Width - 1) >= x &&
i.TopLeftY <= y &&
(i.TopLeftY + i.Height - 1) >= y));
// find all points of interest
point.AddPointOfInterest(PointOfInterests.Where(i =>
i.X == x &&
i.Y == y));
// is this point shrouded?
point.IsShrouded = ShroudActive && !ShroudRevealedPoints.Contains(point);
return(point);
}
public Junction(PointDetail pointDetail)
{
Guard.NotNull(pointDetail, nameof(pointDetail));
_pointDetail = pointDetail;
if (_pointDetail.PathIntersects.Count != 2)
{
throw new Exception($"A junction can only be created on a point which has 2 path intersections, but the point {_pointDetail} has {_pointDetail.PathIntersects.Count}");
}
var details = GetJunctionDetails();
Type = details.Item1;
FromDirection = details.Item2;
}
public Point Move(Directions direction)
{
if (CanMove(direction))
{
var newPoint = Map.GetRelativePoint(_currentPointDetail, direction);
_currentPointDetail = newPoint;
LastMoveDateTime = DateTime.Now;
MovesMade++;
return(_currentPointDetail);
}
else
{
throw new Exception($"Cannot move player in direction {direction}");
}
}
public PointDetail GetRelativePoint(PointDetail pointDetail, Directions direction, int positions = 1)
{
switch (direction)
{
case Directions.North:
return(GetPoint(pointDetail.X, pointDetail.Y - positions));
case Directions.South:
return(GetPoint(pointDetail.X, pointDetail.Y + positions));
case Directions.West:
return(GetPoint(pointDetail.X - positions, pointDetail.Y));
case Directions.East:
return(GetPoint(pointDetail.X + positions, pointDetail.Y));
}
throw new Exception($"Unknown direction {direction}");
}
public void AddToMap(Map map, PointDetail pointDetail)
{
Map = map;
_currentPointDetail = pointDetail;
}