private void AddMember(Fitting newMember)
{
newMember.ChangePlacementUnit(this);
Members.Add(newMember);
foreach (ParticularFace face in newMember.Faces)
{
TestForExtremePositions(face.FaceCenterPosition + face.NormalVector * face.Fitting.FittingModel.GetClearanceAreaLength(face.Face.Facing));
}
}
// Constructor
public ParticularFace(Fitting fitting, Face face, float sideLength)
{
Fitting = fitting;
Face = face;
SideLength = sideLength;
}
// Constructor
public PlacementUnit(Fitting member)
{
Members = new List <Fitting>();
AddMember(member);
}
/// <summary>Generate fitting layout consisting of the fittings and their placements</summary>
private FittingLayout GenerateFittingLayout(Room room, List <FittingModel> fittingModelsToBePlaced, int randomizationSeed = 0)
{
// Make sure fitting semantics are loaded
if (!hasSemanticsLoaded)
{
LoadFittingSemantics(DefaultSemanticsFilePath);
}
// Start a Random instance
Random globalRandom;
if (randomizationSeed == 0)
{
// Base randomization on time seed, if no seed given
globalRandom = new Random();
}
else
{
globalRandom = new Random(randomizationSeed);
}
// Solve placements
// Register fittings and their faces
List <Fitting> fittingsToBePlaced = new List <Fitting>();
List <ParticularFace> fittingsFaces = new List <ParticularFace>();
foreach (FittingModel fittingModelToBePlaced in fittingModelsToBePlaced)
{
Fitting fittingToBePlaced = new Fitting(fittingModelToBePlaced);
fittingsToBePlaced.Add(fittingToBePlaced);
foreach (ParticularFace fittingFace in fittingToBePlaced.Faces)
{
fittingsFaces.Add(fittingFace);
}
}
// Assign attacher faces to compatible support faces
// List to be filled with up to one face with wall relation per fitting, that is selected to be satisfied
List <Tuple <ParticularFace, SpatialRelation> > selectedAttacherFacesAndWallRelations = new List <Tuple <ParticularFace, SpatialRelation> >();
foreach (Fitting fittingToBePlaced in fittingsToBePlaced)
{
// List to be filled with faces with fitting relations that can be satisfied
List <Tuple <ParticularFace, ParticularFace, SpatialRelation> > attacherFacesAndSupportFacesAndRelations = new List <Tuple <ParticularFace, ParticularFace, SpatialRelation> >();
int fittingRelationCount = 0;
// List to be filled with faces with wall relations
List <Tuple <ParticularFace, SpatialRelation> > attacherFacesAndWallRelations = new List <Tuple <ParticularFace, SpatialRelation> >();
// Go through every relation in the fitting's faces, and register satisfiable ones
foreach (ParticularFace aFace in fittingToBePlaced.Faces)
{
foreach (SpatialRelation relation in aFace.Face.Type.SpatialRelations)
{
if (relation.SupportFaceType == wallFaceType || relation.SupportFaceType == doorFaceType || relation.SupportFaceType == windowFaceType)
{
if (relation.SupportFaceType == wallFaceType)
{
// Register wall related face
attacherFacesAndWallRelations.Add(new Tuple <ParticularFace, SpatialRelation>(aFace, relation));
}
}
else
{
fittingRelationCount++;
// Register found support faces
List <ParticularFace> supportFaces = new List <ParticularFace>();
foreach (ParticularFace sFace in fittingsFaces)
{
if (sFace.Face.Type == relation.SupportFaceType)
{
supportFaces.Add(sFace);
}
}
// Assign support faces to fulfill relation
if (supportFaces.Count > 0)
{
// Pick a random support face as the default and check if there are less occupied ones
int startIndex = globalRandom.Next() % supportFaces.Count;
ParticularFace minOccupiedSupportFace = supportFaces[startIndex];
foreach (ParticularFace supportFace in supportFaces)
{
if (supportFace.ReservedLength < minOccupiedSupportFace.ReservedLength)
{
minOccupiedSupportFace = supportFace;
}
}
if (minOccupiedSupportFace.CanAttachFace(aFace, relation))
{
// Register face pair that satisfies relation
attacherFacesAndSupportFacesAndRelations.Add(new Tuple <ParticularFace, ParticularFace, SpatialRelation>(aFace, minOccupiedSupportFace, relation));
}
else
{
// Pick a random support face as the default and check if there are freer ones
startIndex = globalRandom.Next() % supportFaces.Count;
ParticularFace mostFreeSupportFace = supportFaces[startIndex];
foreach (ParticularFace supportFace in supportFaces)
{
if (supportFace.SideLength - supportFace.ReservedLength > mostFreeSupportFace.SideLength - mostFreeSupportFace.ReservedLength)
{
mostFreeSupportFace = supportFace;
}
}
if (mostFreeSupportFace.CanAttachFace(aFace, relation))
{
// Register face pair that satisfies relation
attacherFacesAndSupportFacesAndRelations.Add(new Tuple <ParticularFace, ParticularFace, SpatialRelation>(aFace, mostFreeSupportFace, relation));
}
}
}
}
}
}
// Assign one fitting attacher face to its support face
if (attacherFacesAndSupportFacesAndRelations.Count() > 0)
{
// Pick only one fitting relation to fulfill per fitting
int pickedIndex = globalRandom.Next() % attacherFacesAndSupportFacesAndRelations.Count;
Tuple <ParticularFace, ParticularFace, SpatialRelation> attacherFaceAndSupportFaceAndRelation = attacherFacesAndSupportFacesAndRelations[pickedIndex];
attacherFaceAndSupportFaceAndRelation.Item2.AttachFace(attacherFaceAndSupportFaceAndRelation.Item1, attacherFaceAndSupportFaceAndRelation.Item3);
}
else if (fittingRelationCount > 0)
{
Console.WriteLine("No fitting support face with capacity could be found for a {0} {1}. ", fittingToBePlaced.FittingModel.Id, fittingToBePlaced.FittingModel.FittingType.Id);
}
// Pick only one wall relation to fulfill per fitting
if (attacherFacesAndWallRelations.Count > 0)
{
int selectedIndex = globalRandom.Next() % attacherFacesAndWallRelations.Count;
selectedAttacherFacesAndWallRelations.Add(attacherFacesAndWallRelations[selectedIndex]);
}
}
// Place attacher faces (and their fittings with them) in relation to support faces, in grouping placement units
foreach (ParticularFace sFace in fittingsFaces)
{
foreach (Tuple <ParticularFace, SpatialRelation> aFaceAndRelation in sFace.attacherFacesAndRelations)
{
ParticularFace aFace = aFaceAndRelation.Item1;
SpatialRelation relation = aFaceAndRelation.Item2;
// Rotate objects to match faces
aFace.RotateToFace(sFace.Direction);
// Move objects to match face distance
aFace.TranslateToDistanceFromFace(relation.Distance, sFace);
// Merge placement units
sFace.Fitting.PlacementUnit.AbsorbPlacementUnit(aFace.Fitting.PlacementUnit);
}
}
// Register wall-attacher faces to placement units
foreach (Tuple <ParticularFace, SpatialRelation> attacherFaceAndWallRelation in selectedAttacherFacesAndWallRelations)
{
attacherFaceAndWallRelation.Item1.Fitting.PlacementUnit.AddWallConstraint(attacherFaceAndWallRelation.Item1, attacherFaceAndWallRelation.Item2.Distance);
}
// Register all consolidated placement units
List <PlacementUnit> placementUnits = new List <PlacementUnit>();
foreach (Fitting fitting in fittingsToBePlaced)
{
if (!placementUnits.Contains(fitting.PlacementUnit))
{
placementUnits.Add(fitting.PlacementUnit);
}
}
// Set placement domains for the placement units
foreach (PlacementUnit placementUnit in placementUnits)
{
// Set placement domain
placementUnit.SetDomain(room);
// Shuffle placement domain
placementUnit.ShuffleDomain(globalRandom);
}
// Test placements for all placement units
if (!TestPlacements(ref placementUnits, room.Clone()))
{
// No possible fitting layout could be found
Console.WriteLine("No possible fitting layout could be found. ");
return(new FittingLayout(room, new List <Fitting>()));
}
// Return finished list of placed fittings
return(new FittingLayout(room, fittingsToBePlaced));
}