Link?PlaceRoomFree(Room src, Room target, Direction connPt, int sep)
{
int x, y;
Link?link = null;
switch (connPt)
{
case Direction.North:
case Direction.South:
// North & South
int minX = src.Pos.X + _template.CorridorWidth - target.Width;
int maxX = src.Pos.X + src.Width - _template.CorridorWidth;
x = _rand.Next(minX, maxX + 1);
if (connPt == Direction.South)
{
y = src.Pos.Y + src.Height + sep;
}
else
{
y = src.Pos.Y - sep - target.Height;
}
target.Pos = new Point(x, y);
if (_collision.HitTest(target))
{
return(null);
}
var linkX = new Range(src.Pos.X, src.Pos.X + src.Width).Intersection(
new Range(target.Pos.X, target.Pos.X + target.Width));
link = new Link(connPt, new Range(linkX.Begin, linkX.End - _template.CorridorWidth).Random(_rand));
break;
case Direction.East:
case Direction.West:
// East & West
int minY = src.Pos.Y + _template.CorridorWidth - target.Height;
int maxY = src.Pos.Y + src.Height - _template.CorridorWidth;
y = _rand.Next(minY, maxY + 1);
if (connPt == Direction.East)
{
x = src.Pos.X + src.Width + sep;
}
else
{
x = src.Pos.X - sep - target.Width;
}
target.Pos = new Point(x, y);
if (_collision.HitTest(target))
{
return(null);
}
var linkY = new Range(src.Pos.Y, src.Pos.Y + src.Height).Intersection(
new Range(target.Pos.Y, target.Pos.Y + target.Height));
link = new Link(connPt, new Range(linkY.Begin, linkY.End - _template.CorridorWidth).Random(_rand));
break;
}
_collision.Add(target);
return(link);
}
