// Blocks
public BlockInstance BlockReferenceToSpeckle(BlockReference reference)
{
/*
* // skip if dynamic block
* if (reference.IsDynamicBlock)
* return null;
*/
// get record
BlockDefinition definition = null;
var attributes = new Dictionary <string, string>();
BlockTableRecord btr = (BlockTableRecord)Trans.GetObject(reference.BlockTableRecord, OpenMode.ForRead);
definition = BlockRecordToSpeckle(btr);
foreach (ObjectId id in reference.AttributeCollection)
{
AttributeReference attRef = (AttributeReference)Trans.GetObject(id, OpenMode.ForRead);
attributes.Add(attRef.Tag, attRef.TextString);
}
if (definition == null)
{
return(null);
}
var instance = new BlockInstance()
{
transform = new Transform(reference.BlockTransform.ToArray(), ModelUnits),
blockDefinition = definition,
units = ModelUnits
};
// add attributes
instance["attributes"] = attributes;
return(instance);
}
public BlockDefinition BlockRecordToSpeckle(BlockTableRecord record)
{
// skip if this is from an external reference
if (record.IsFromExternalReference)
{
return(null);
}
// get geometry
var geometry = new List <Base>();
foreach (ObjectId id in record)
{
DBObject obj = Trans.GetObject(id, OpenMode.ForRead);
Entity objEntity = obj as Entity;
if (CanConvertToSpeckle(obj))
{
Base converted = ConvertToSpeckle(obj);
if (converted != null)
{
converted["Layer"] = objEntity.Layer;
geometry.Add(converted);
}
}
}
var definition = new BlockDefinition()
{
name = record.Name,
basePoint = PointToSpeckle(record.Origin),
geometry = geometry,
units = ModelUnits
};
return(definition);
}
public ObjectId BlockDefinitionToNativeDB(BlockDefinition definition)
{
// get modified definition name with commit info
var blockName = RemoveInvalidAutocadChars($"{Doc.UserData["commit"]} - {definition.name}");
ObjectId blockId = ObjectId.Null;
// see if block record already exists and return if so
BlockTable blckTbl = Trans.GetObject(Doc.Database.BlockTableId, OpenMode.ForRead) as BlockTable;
if (blckTbl.Has(blockName))
{
return(blckTbl[blockName]);
}
// create btr
using (BlockTableRecord btr = new BlockTableRecord())
{
btr.Name = blockName;
// base point
btr.Origin = PointToNative(definition.basePoint);
// add geometry
blckTbl.UpgradeOpen();
var bakedGeometry = new ObjectIdCollection(); // this is to contain block def geometry that is already added to doc space during conversion
foreach (var geo in definition.geometry)
{
if (CanConvertToNative(geo))
{
Entity converted = null;
switch (geo)
{
case BlockInstance o:
BlockInstanceToNativeDB(o, out BlockReference reference, false);
converted = reference;
break;
default:
converted = ConvertToNative(geo) as Entity;
break;
}
if (converted == null)
{
continue;
}
else if (!converted.IsNewObject && !(converted is BlockReference))
{
bakedGeometry.Add(converted.Id);
}
else
{
btr.AppendEntity(converted);
}
}
}
blockId = blckTbl.Add(btr);
btr.AssumeOwnershipOf(bakedGeometry); // add in baked geo
Trans.AddNewlyCreatedDBObject(btr, true);
blckTbl.Dispose();
}
return(blockId);
}
