public override void OnEnable()
{
base.OnEnable();
blueprint = (AtomBlueprint)target;
snap = new Vector2(Vector2.up.Rotate(-60).x, 1.5f);
}
PolygonContour CalculateContour(List<IEntity> particles, AtomBlueprint blueprint)
{
var contour = new PolygonContour();
PolygonSegment firstSegment;
int firstHexagonIndex = 0;
FindFirstSegment(particles, blueprint, out firstHexagonIndex, out firstSegment);
var currentSegment = firstSegment;
int currentHexagonIndex = firstHexagonIndex;
do
{
var quark = blueprint.Quarks[currentHexagonIndex];
AtomBlueprint.Connection connection;
if (FindConnection(currentSegment, quark, out connection))
{
currentHexagonIndex = connection.Index;
var hexagon = particles[currentHexagonIndex].GetComponent<HexagonComponent>();
currentSegment = hexagon.Contour.Segments[connection.SegmentB];
}
else
contour.Segments.Add(currentSegment);
currentSegment = currentSegment.PointB.SegmentB;
}
while (currentSegment != firstSegment);
return contour;
}
void CreateAtom(IEntity entity, AtomBlueprint.Particles particles, AtomBlueprint blueprint)
{
if (!Entities.Contains(entity))
return;
if (!IsValid(particles, blueprint))
{
PDebug.LogError(string.Format("Particles are not compatible with blueprint {0}.", blueprint.Name));
return;
}
var factory = entity.GetComponent<AtomFactoryComponent>();
var atomEntity = EntityManager.CreateEntity(factory.AtomPrefab);
atomEntity.CachedTransform.position = factory.CachedTransform.position;
var atom = atomEntity.Entity.GetComponent<AtomComponent>();
atom.Particles = particles;
atom.Blueprint = blueprint;
atom.Contour = CalculateContour(particles.Quarks, blueprint);
for (int i = 0; i < particles.Quarks.Count; i++)
{
var quark = particles.Quarks[i];
var transform = quark.GetComponent<TransformComponent>().Transform;
transform.parent = atomEntity.CachedTransform;
transform.localPosition = blueprint.Quarks[i].Position;
}
for (int i = 0; i < particles.Electrons.Count; i++)
{
var blueprintElectron = blueprint.Electrons[i];
var electronConnection = blueprintElectron.Connection;
var electron = particles.Electrons[i];
var connectedQuark = particles.Quarks[electronConnection.Index];
var connectedHexagon = connectedQuark.GetComponent<HexagonComponent>();
var follow = electron.GetComponent<FollowContourComponent>();
var transform = electron.GetComponent<TransformComponent>().Transform;
follow.Contour = atom.Contour;
follow.CurrentSegment = atom.Contour.Segments.FindIndex(segment => segment == connectedHexagon.Segments[electronConnection.SegmentB]);
transform.parent = atomEntity.CachedTransform;
transform.localPosition = blueprintElectron.Position;
}
}
bool IsValid(AtomBlueprint.Particles particles, AtomBlueprint blueprint)
{
return
particles.Quarks.Count == blueprint.Quarks.Length &&
particles.Electrons.Count == blueprint.Electrons.Length &&
particles.Quarks.All(entity => quarkEntities.Contains(entity)) &&
particles.Electrons.All(entity => electronEntities.Contains(entity));
}
bool IsConnected(PolygonSegment segment, AtomBlueprint.Quark quark)
{
AtomBlueprint.Connection connection;
return FindConnection(segment, quark, out connection);
}
void FindFirstSegment(List<IEntity> particles, AtomBlueprint blueprint, out int firstHexagonIndex, out PolygonSegment firstSegment)
{
firstHexagonIndex = -1;
float leftmostPosition = float.MaxValue;
for (int i = 0; i < blueprint.Quarks.Length; i++)
{
var quark = blueprint.Quarks[i];
if (quark.Position.x < leftmostPosition)
{
leftmostPosition = quark.Position.x;
firstHexagonIndex = i;
}
}
firstSegment = particles[firstHexagonIndex].GetComponent<HexagonComponent>().Contour.Segments[1];
}
PolygonSegment FindFirstSegment(HexagonComponent hexagon, AtomBlueprint.Quark quark)
{
for (int i = 0; i < hexagon.Contour.Segments.Count; i++)
{
var segment = hexagon.Contour.Segments[i];
if (!IsConnected(segment, quark))
return segment;
}
return null;
}
bool FindConnection(PolygonSegment segment, AtomBlueprint.Quark quark, out AtomBlueprint.Connection connection)
{
for (int i = 0; i < quark.Connections.Length; i++)
{
connection = quark.Connections[i];
if (connection.SegmentA == segment.Index)
return true;
}
connection = new AtomBlueprint.Connection();
return false;
}