/// <summary>
/// Performs the actual linking on engine instances
/// </summary>
/// <param name="src"></param>
/// <param name="target"></param>
public override void OnLink(ShapeLink src, ShapeLink target)
{
base.OnLink(src, target);
// Ignore links which don't belong to us
if (src.OwnerShape != this)
{
return;
}
// Get the anchor the target link points to
AnchorShape anchorShape = GetAnchorFromLink(target);
if (anchorShape == null || !HasEngineInstance())
{
return;
}
// Get the entity instance the target points to
EngineInstanceEntity entityInstance = GetEntityFromAnchor(anchorShape);
// Add the actor to the constraint
if (entityInstance != null)
{
// We have an anchor which belongs to an entity. Add the entity to the constraint
// and pass the anchor position, relative to the parent entity.
Vector3F anchorPositionLS = anchorShape.LocalSpacePosition;
bool bResult = EngineConstraintInstance.AddEntityAnchor(
(long)anchorShape.UniqueID, entityInstance, anchorPositionLS);
Debug.Assert(bResult == true);
}
else
{
// Our anchor is statically attached to the world.
// Add the static world anchor to the constraint. Pass the world space position of the anchor
// for this purpose.
Vector3F anchorPositionWS = anchorShape.Position;
bool bResult = EngineConstraintInstance.AddWorldAnchor((long)anchorShape.UniqueID, anchorShape);
Debug.Assert(bResult == true);
}
}
