internal Face(SU.FaceRef suFaceRef)
{
// Get its UVHelper for texture-mapping coordinates.
UVHelper uvh = new UVHelper(suFaceRef);
// Get the outer loop.
EdgePointList edgePointList = new EdgePointList(suFaceRef);
uvh.Assign(edgePointList);
outerLoop = new Loop(edgePointList).edgePoints;
// Get any inner loops.
SU.FaceGetNumInnerLoops(suFaceRef, out long count);
SU.LoopRef[] loopRefs = new SU.LoopRef[count];
long len = count;
SU.FaceGetInnerLoops(suFaceRef, len, loopRefs, out count);
foreach (SU.LoopRef loopRef in loopRefs)
{
innerLoops.Add(
new Loop(new EdgePointList(loopRef)).edgePoints);
}
SU.MaterialRef suMaterialRef = new SU.MaterialRef();
try
{
SU.FaceGetFrontMaterial(suFaceRef, suMaterialRef);
SU.StringRef suStringRef = new SU.StringRef();
SU.StringCreate(suStringRef);
SU.MaterialGetNameLegacyBehavior(suMaterialRef, suStringRef);
MaterialName = Convert.ToStringAndRelease(suStringRef);
}
catch (SketchUpException e)
{
if (e.ErrorCode == SU.ErrorNoData)
{
// Not an error. It just has no material.
}
else
{
throw;
}
}
}
public UVHelper(SU.FaceRef faceRef)
{
SU.TextureWriterRef textureWriterRef = new SU.TextureWriterRef();
uvHelperRef = new SU.UVHelperRef();
SU.FaceGetUVHelper(
faceRef,
true,
false,
textureWriterRef,
uvHelperRef);
}
protected void UnpackEntities(SU.EntitiesRef entitiesRef)
{
// Get the faces.
long count;
SU.EntitiesGetNumFaces(entitiesRef, out count);
SU.FaceRef[] faceRefs = new SU.FaceRef[count];
long len = count;
SU.EntitiesGetFaces(entitiesRef, len, faceRefs, out count);
foreach (SU.FaceRef faceRef in faceRefs)
{
Faces.Add(new Face(faceRef));
}
// Get the groups.
SU.EntitiesGetNumGroups(entitiesRef, out count);
SU.GroupRef[] groupRefs = new SU.GroupRef[count];
len = count;
SU.EntitiesGetGroups(entitiesRef, len, groupRefs, out count);
foreach (SU.GroupRef groupRef in groupRefs)
{
Groups.Add(new Group(groupRef));
}
// Get the instances.
SU.EntitiesGetNumInstances(entitiesRef, out count);
SU.ComponentInstanceRef[] instanceRefs = new SU.ComponentInstanceRef[count];
len = count;
SU.EntitiesGetInstances(entitiesRef, len, instanceRefs, out count);
foreach (SU.ComponentInstanceRef instanceRef in instanceRefs)
{
Instances.Add(new CompInst(instanceRef));
}
}