15 #include "fltInstanceRef.h" 16 #include "fltRecordReader.h" 17 #include "fltRecordWriter.h" 18 #include "fltInstanceDefinition.h" 19 #include "fltHeader.h" 41 return _header->get_instance(_instance_index);
53 write(ostream &out,
int indent_level)
const {
54 indent(out, indent_level) <<
"instance";
57 def->write_children(out, indent_level + 2);
58 indent(out, indent_level) <<
"}\n";
74 if (!FltBead::extract_record(reader)) {
78 nassertr(reader.
get_opcode() == FO_instance_ref,
false);
82 _instance_index = iterator.get_be_int16();
95 FltError FltInstanceRef::
99 if (result != FE_ok) {
104 return FltBead::write_record_and_children(writer);
115 bool FltInstanceRef::
117 if (!FltBead::build_record(writer)) {
This class writes a sequence of FltRecords to an ostream, handling opcode and size counts properly...
This class turns an istream into a sequence of FltRecords by reading a sequence of Datagrams and extr...
void check_remaining_size(const DatagramIterator &di, const string &name=string()) const
Checks that the iterator has no bytes left, as it should at the end of a successfully read record...
A base class for any of a broad family of flt records that represent particular beads in the hierarch...
DatagramIterator & get_iterator()
Returns an iterator suitable for extracting data from the current record.
void pad_bytes(size_t size)
Adds the indicated number of zero bytes to the datagram.
FltError write_instance_def(FltHeader *header, int instance_index)
Ensures that the given instance definition has already been written to the file.
void skip_bytes(size_t size)
Skips over the indicated number of bytes in the datagram.
FltInstanceDefinition * get_instance() const
Returns the instance subtree referenced by this node, or NULL if the reference is invalid...
virtual void write(ostream &out, int indent_level=0) const
Writes a multiple-line description of the record and all of its children.
FltOpcode get_opcode() const
Returns the opcode associated with the current record.
A class to retrieve the individual data elements previously stored in a Datagram. ...
TypeHandle is the identifier used to differentiate C++ class types.
void set_opcode(FltOpcode opcode)
Sets the opcode associated with the current record.
Datagram & update_datagram()
Returns a modifiable reference to the datagram associated with the current record.
An ordered list of data elements, formatted in memory for transmission over a socket or writing to a ...
This special kind of record marks the top node of an instance subtree.
void add_be_int16(PN_int16 value)
Adds a signed 16-bit big-endian integer to the datagram.