89 lines
2.1 KiB
C++
89 lines
2.1 KiB
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file fltTransformGeneralMatrix.cxx
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* @author drose
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* @date 2000-08-24
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*/
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#include "fltTransformGeneralMatrix.h"
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#include "fltRecordReader.h"
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#include "fltRecordWriter.h"
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TypeHandle FltTransformGeneralMatrix::_type_handle;
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/**
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*
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*/
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FltTransformGeneralMatrix::
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FltTransformGeneralMatrix(FltHeader *header) : FltTransformRecord(header) {
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}
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/**
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* Directly sets the general matrix.
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*/
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void FltTransformGeneralMatrix::
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set_matrix(const LMatrix4d &matrix) {
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_matrix = matrix;
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}
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/**
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* Directly sets the general matrix.
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*/
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void FltTransformGeneralMatrix::
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set_matrix(const LMatrix4f &matrix) {
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_matrix = LCAST(double, matrix);
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}
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/**
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* Fills in the information in this record based on the information given in
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* the indicated datagram, whose opcode has already been read. Returns true
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* on success, false if the datagram is invalid.
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*/
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bool FltTransformGeneralMatrix::
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extract_record(FltRecordReader &reader) {
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if (!FltTransformRecord::extract_record(reader)) {
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return false;
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}
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nassertr(reader.get_opcode() == FO_general_matrix, false);
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DatagramIterator &iterator = reader.get_iterator();
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for (int r = 0; r < 4; r++) {
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for (int c = 0; c < 4; c++) {
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_matrix(r, c) = iterator.get_be_float32();
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}
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}
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check_remaining_size(iterator);
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return true;
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}
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/**
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* Fills up the current record on the FltRecordWriter with data for this
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* record, but does not advance the writer. Returns true on success, false if
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* there is some error.
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*/
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bool FltTransformGeneralMatrix::
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build_record(FltRecordWriter &writer) const {
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if (!FltTransformRecord::build_record(writer)) {
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return false;
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}
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writer.set_opcode(FO_general_matrix);
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Datagram &datagram = writer.update_datagram();
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for (int r = 0; r < 4; r++) {
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for (int c = 0; c < 4; c++) {
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datagram.add_be_float32(_matrix(r, c));
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}
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}
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return true;
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}
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