public static IEnumerable <uint> EnumerateForwardNetworkConnections(RailEntity Leaving, RailEntity Entering)
{
if (Leaving == null)
{
foreach (var neighbor in Entering.NeighborRails)
{
yield return(neighbor.NeighborID);
}
yield break;
}
var connectionPoint = FindConnectionPoint(Leaving, Entering);
if (connectionPoint != null)
{
if (Library.GetRailPiece(Entering.GetPiece().RailPiece).HasValue(out var enteringPiece))
{
var transformToEntitySpace = Matrix.CreateRotationY((float)Math.PI * 0.5f * (float)Entering.GetPiece().Orientation) * Entering.GlobalTransform;
var backConnection = FindConnectionPoint(Entering, Leaving);
var connection = FindConnectionFromTransformedEntrancePoint(enteringPiece, transformToEntitySpace,
backConnection.Raised ? (connectionPoint.Position - Vector3.UnitY) : connectionPoint.Position);
if (connection != null)
{
foreach (var exit in connection.Exits)
{
var transformedExit = Vector3.Transform(exit, transformToEntitySpace);
foreach (var neighbor in Entering.NeighborRails)
{
if (neighbor.Raised)
{
transformedExit += Vector3.UnitY;
}
if ((neighbor.Position - transformedExit).LengthSquared() < 0.01f)
{
yield return(neighbor.NeighborID);
}
}
}
}
}
}
}
public static bool CanPlace(WorldManager World, RailEntity PreviewEntity)
{
// Todo: Make sure this uses BuildObjectTool.IsValidPlacement to enforce building rules.
var junctionPiece = PreviewEntity.GetPiece();
var actualPosition = PreviewEntity.GetContainingVoxel();
if (!actualPosition.IsValid)
{
return(false);
}
if (!actualPosition.IsEmpty)
{
return(false);
}
if (actualPosition.Coordinate.Y == 0)
{
return(false); // ???
}
var voxelUnder = VoxelHelpers.GetVoxelBelow(actualPosition);
if (voxelUnder.IsEmpty)
{
return(false);
}
var box = actualPosition.GetBoundingBox().Expand(-0.2f);
foreach (var entity in World.EnumerateIntersectingObjects(box, CollisionType.Static))
{
if ((entity as GameComponent).IsDead)
{
continue;
}
if (Object.ReferenceEquals(entity, PreviewEntity))
{
continue;
}
if (Object.ReferenceEquals(entity.GetRoot(), PreviewEntity.GetRoot()))
{
continue;
}
if (entity is GenericVoxelListener)
{
continue;
}
if (entity is WorkPile)
{
continue;
}
if (entity is Health)
{
continue;
}
if (entity is CraftDetails)
{
continue;
}
if (entity is SimpleSprite)
{
continue;
}
if (FindPossibleCombination(junctionPiece, entity).HasValue(out var possibleCombination))
{
var combinedPiece = new Rail.JunctionPiece
{
RailPiece = possibleCombination.Result,
Orientation = Rail.OrientationHelper.Rotate((entity as RailEntity).GetPiece().Orientation, (int)possibleCombination.ResultRelativeOrientation),
};
PreviewEntity.UpdatePiece(combinedPiece, PreviewEntity.GetContainingVoxel());
return(true);
}
if (Debugger.Switches.DrawToolDebugInfo)
{
Drawer3D.DrawBox(box, Color.Yellow, 0.2f, false);
}
World.UserInterface.ShowTooltip(String.Format("Can't place {0}. Entity in the way: {1}", junctionPiece.RailPiece, entity.ToString()));
return(false);
}
return(true);
}
public static bool CanPlace(GameMaster Player, RailEntity PreviewEntity)
{
// Todo: Make sure this uses BuildObjectTool.IsValidPlacement to enforce building rules.
var junctionPiece = PreviewEntity.GetPiece();
var actualPosition = PreviewEntity.GetContainingVoxel();
if (!actualPosition.IsValid)
{
return(false);
}
if (!actualPosition.IsEmpty)
{
return(false);
}
if (actualPosition.Coordinate.Y == 0)
{
return(false); // ???
}
var local = actualPosition.Coordinate.GetLocalVoxelCoordinate();
var voxelUnder = new VoxelHandle(actualPosition.Chunk, new LocalVoxelCoordinate(local.X, local.Y - 1, local.Z));
if (voxelUnder.IsEmpty)
{
return(false);
}
foreach (var entity in Player.World.EnumerateIntersectingObjects(actualPosition.GetBoundingBox().Expand(-0.2f), CollisionType.Static))
{
if ((entity as GameComponent).IsDead)
{
continue;
}
if (Object.ReferenceEquals(entity, PreviewEntity))
{
continue;
}
if (entity is GenericVoxelListener)
{
continue;
}
if (entity is WorkPile)
{
continue;
}
var possibleCombination = FindPossibleCombination(junctionPiece, entity);
if (possibleCombination != null)
{
var combinedPiece = new Rail.JunctionPiece
{
RailPiece = possibleCombination.Result,
Orientation = Rail.OrientationHelper.Rotate((entity as RailEntity).GetPiece().Orientation, (int)possibleCombination.ResultRelativeOrientation),
};
PreviewEntity.UpdatePiece(combinedPiece, PreviewEntity.GetContainingVoxel());
return(true);
}
if (Debugger.Switches.DrawBoundingBoxes)
{
Drawer3D.DrawBox(entity.GetBoundingBox(), Color.Yellow, 0.1f, false);
Player.World.ShowTooltip(String.Format("Can't place {0}. Entity in the way: {1}", junctionPiece.RailPiece, entity.ToString()));
}
return(false);
}
return(true);
}
