public List <SerializableEntityTable> ComputeEntityTables(Dictionary <string, int> stringLookup)
{
// Create the new Entity tables
var tableList = new List <SerializableEntityTable>();
// Create the geometry table
{
var tb = GetTableBuilderOrCreate(TableNames.Geometry);
tb.Clear();
// We have to force evaluation because as an enumerable the bounding box could be evaluated 6 times more
tb.AddField(Geometries.Select(g => AABox.Create(g.Vertices)).ToArray(), "Box");
tb.AddField(Geometries.Select(g => g.Vertices.Count), "VertexCount");
tb.AddField(Geometries.Select(g => g.Indices.Count / 3), "FaceCount");
}
// TODO: add bounding box information to the nodes
foreach (var tb in Tables.Values)
{
var table = new SerializableEntityTable
{
// Set the table name
Name = tb.Name,
// Convert the columns to named buffers
IndexColumns = tb.IndexColumns
.Select(kv => kv.Value.ToNamedBuffer(kv.Key))
.ToList(),
NumericColumns = tb.NumericColumns
.Select(kv => kv.Value.ToNamedBuffer(kv.Key))
.ToList(),
StringColumns = tb.StringColumns
.Select(kv => kv.Value
.Select(s => stringLookup[s ?? string.Empty])
.ToArray()
.ToNamedBuffer(kv.Key))
.ToList()
};
// Assure that all columns are the same length
var nRows = -1;
foreach (var c in table.IndexColumns)
{
var n = c.NumElements();
if (nRows < 0)
{
nRows = n;
}
else if (nRows != n)
{
throw new Exception($"Invalid number of rows {n} expected {nRows}");
}
}
foreach (var c in table.NumericColumns)
{
var n = c.NumElements();
if (nRows < 0)
{
nRows = n;
}
else if (nRows != n)
{
throw new Exception($"Invalid number of rows {n} expected {nRows}");
}
}
foreach (var c in table.StringColumns)
{
var n = c.NumElements();
if (nRows < 0)
{
nRows = n;
}
else if (nRows != n)
{
throw new Exception($"Invalid number of rows {n} expected {nRows}");
}
}
// Properties
table.Properties = tb.Properties.Select(p => new SerializableProperty
{
EntityIndex = p.EntityId,
Name = stringLookup[p.Name],
Value = stringLookup[p.Value]
}).ToArray();
tableList.Add(table);
}
return(tableList);
}
public static AABox BoundingBox(this IScene scene) => AABox.Create(scene.AllVertices());
public static AABox NodePositionBoundingBox(this IScene scene) => AABox.Create(scene.NodePositions().ToEnumerable());
public static AABox BoundingBox(this IArray <Vector3> vertices) => AABox.Create(vertices.ToEnumerable());