public List <RoomTemplateInstanceGrid2D> GetRoomTemplateInstances(RoomTemplateGrid2D roomTemplate)
{
var result = new List <RoomTemplateInstanceGrid2D>();
var doorLines = roomTemplate.Doors.GetDoors(roomTemplate.Outline);
var shape = roomTemplate.Outline;
foreach (var transformation in roomTemplate.AllowedTransformations)
{
var transformedShape = shape.Transform(transformation);
var smallestPoint = transformedShape.BoundingRectangle.A;
// Both the shape and doors are moved so the polygon is in the first quadrant and touches axes
transformedShape = transformedShape + (-1 * smallestPoint);
transformedShape = polygonUtils.NormalizePolygon(transformedShape);
var transformedDoorLines = doorLines
.Select(x => DoorUtils.TransformDoorLine(x, transformation))
.Select(x => new DoorLineGrid2D(x.Line + (-1 * smallestPoint), x.Length, x.DoorSocket))
.ToList();
// Check if we already have the same room shape (together with door lines)
var sameRoomShapeFound = false;
foreach (var roomInfo in result)
{
if (roomInfo.RoomShape.Equals(transformedShape) &&
roomInfo.DoorLines.SequenceEqualWithoutOrder(transformedDoorLines))
{
roomInfo.Transformations.Add(transformation);
sameRoomShapeFound = true;
break;
}
}
if (sameRoomShapeFound)
{
continue;
}
result.Add(new RoomTemplateInstanceGrid2D(roomTemplate, transformedShape, transformedDoorLines, new List <TransformationGrid2D>()
{
transformation
}));
}
return(result);
}
/// <summary>
/// Applies all given transformation to a given room description.
/// </summary>
/// <remarks>
/// Groups room shapes that are equal after transformation.
/// </remarks>
/// <param name="roomDescription"></param>
/// <param name="transformations"></param>
/// <returns></returns>
private List <RoomInfo> TransformPolygons(RoomDescription roomDescription, IEnumerable <Transformation> transformations)
{
var result = new List <RoomInfo>();
var doorLines = doorHandler.GetDoorPositions(roomDescription.Shape, roomDescription.DoorsMode);
var shape = roomDescription.Shape;
foreach (var transformation in transformations)
{
var transformedShape = shape.Transform(transformation);
var smallestPoint = transformedShape.BoundingRectangle.A;
// Both the shape and doors are moved so the polygon is in the first quadrant and touches axes
transformedShape = transformedShape + (-1 * smallestPoint);
transformedShape = polygonUtils.NormalizePolygon(transformedShape);
var transformedDoorLines = doorLines
.Select(x => DoorUtils.TransformDoorLine(x, transformation))
.Select(x => new DoorLine(x.Line + (-1 * smallestPoint), x.Length))
.Cast <IDoorLine>()
.ToList();
// Check if we already have the same room shape (together with door lines)
var sameRoomShapeFound = false;
foreach (var roomInfo in result)
{
if (roomInfo.RoomShape.Equals(transformedShape) &&
roomInfo.DoorLines.SequenceEqualWithoutOrder(transformedDoorLines))
{
roomInfo.Transformations.Add(transformation);
sameRoomShapeFound = true;
break;
}
}
if (sameRoomShapeFound)
{
continue;
}
result.Add(new RoomInfo(roomDescription, transformedShape, transformation, transformedDoorLines));
}
return(result);
}
