98 lines
2.1 KiB
C++
98 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 eggScalarTablePointer.cxx
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* @author drose
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* @date 2003-07-18
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*/
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#include "eggScalarTablePointer.h"
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#include "dcast.h"
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TypeHandle EggScalarTablePointer::_type_handle;
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/**
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*
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*/
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EggScalarTablePointer::
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EggScalarTablePointer(EggObject *object) {
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_data = DCAST(EggSAnimData, object);
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}
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/**
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* Returns the stated frame rate of this particular joint, or 0.0 if it
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* doesn't state.
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*/
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double EggScalarTablePointer::
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get_frame_rate() const {
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if (_data == nullptr || !_data->has_fps()) {
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return 0.0;
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} else {
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return _data->get_fps();
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}
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}
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/**
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* Returns the number of frames of animation for this particular slider.
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*/
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int EggScalarTablePointer::
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get_num_frames() const {
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if (_data == nullptr) {
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return 0;
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} else {
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return _data->get_num_rows();
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}
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}
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/**
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* Extends the table to the indicated number of frames.
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*/
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void EggScalarTablePointer::
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extend_to(int num_frames) {
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nassertv(_data != nullptr);
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int num_rows = _data->get_num_rows();
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double last_value;
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if (num_rows == 0) {
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last_value = 0.0;
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} else {
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last_value = _data->get_value(num_rows - 1);
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}
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while (num_rows < num_frames) {
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_data->add_data(last_value);
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num_rows++;
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}
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}
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/**
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* Returns the value corresponding to this slider position in the nth frame.
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*/
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double EggScalarTablePointer::
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get_frame(int n) const {
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if (get_num_frames() == 1) {
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// If we have exactly one frame, then we have as many frames as we want;
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// just repeat the first frame.
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n = 0;
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}
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nassertr(n >= 0 && n < get_num_frames(), 0.0);
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return _data->get_value(n);
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}
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/**
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* Applies the indicated name change to the egg file.
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*/
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void EggScalarTablePointer::
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set_name(const std::string &name) {
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// Actually, let's not rename the slider table (yet), because we haven't
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// written the code to rename all of the morph targets.
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// _data->set_name(name);
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}
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