open_toontown_panda3d/pandatool/src/eggcharbase/eggScalarTablePointer.cxx

113 lines
3.7 KiB
C++

// Filename: eggScalarTablePointer.cxx
// Created by: drose (18Jul03)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) Carnegie Mellon University. All rights reserved.
//
// All use of this software is subject to the terms of the revised BSD
// license. You should have received a copy of this license along
// with this source code in a file named "LICENSE."
//
////////////////////////////////////////////////////////////////////
#include "eggScalarTablePointer.h"
#include "dcast.h"
TypeHandle EggScalarTablePointer::_type_handle;
////////////////////////////////////////////////////////////////////
// Function: EggScalarTablePointer::Constructor
// Access: Public
// Description:
////////////////////////////////////////////////////////////////////
EggScalarTablePointer::
EggScalarTablePointer(EggObject *object) {
_data = DCAST(EggSAnimData, object);
}
////////////////////////////////////////////////////////////////////
// Function: EggScalarTablePointer::get_frame_rate
// Access: Public, Virtual
// Description: Returns the stated frame rate of this particular
// joint, or 0.0 if it doesn't state.
////////////////////////////////////////////////////////////////////
double EggScalarTablePointer::
get_frame_rate() const {
if (_data == (EggSAnimData *)NULL || !_data->has_fps()) {
return 0.0;
} else {
return _data->get_fps();
}
}
////////////////////////////////////////////////////////////////////
// Function: EggScalarTablePointer::get_num_frames
// Access: Public, Virtual
// Description: Returns the number of frames of animation for this
// particular slider.
////////////////////////////////////////////////////////////////////
int EggScalarTablePointer::
get_num_frames() const {
if (_data == (EggSAnimData *)NULL) {
return 0;
} else {
return _data->get_num_rows();
}
}
////////////////////////////////////////////////////////////////////
// Function: EggScalarTablePointer::extend_to
// Access: Public, Virtual
// Description: Extends the table to the indicated number of frames.
////////////////////////////////////////////////////////////////////
void EggScalarTablePointer::
extend_to(int num_frames) {
nassertv(_data != (EggSAnimData *)NULL);
int num_rows = _data->get_num_rows();
double last_value;
if (num_rows == 0) {
last_value = 0.0;
} else {
last_value = _data->get_value(num_rows - 1);
}
while (num_rows < num_frames) {
_data->add_data(last_value);
num_rows++;
}
}
////////////////////////////////////////////////////////////////////
// Function: EggScalarTablePointer::get_frame
// Access: Public, Virtual
// Description: Returns the value corresponding to this
// slider position in the nth frame.
////////////////////////////////////////////////////////////////////
double EggScalarTablePointer::
get_frame(int n) const {
if (get_num_frames() == 1) {
// If we have exactly one frame, then we have as many frames as we
// want; just repeat the first frame.
n = 0;
}
nassertr(n >= 0 && n < get_num_frames(), 0.0);
return _data->get_value(n);
}
////////////////////////////////////////////////////////////////////
// Function: EggScalarTablePointer::set_name
// Access: Public, Virtual
// Description: Applies the indicated name change to the egg file.
////////////////////////////////////////////////////////////////////
void EggScalarTablePointer::
set_name(const string &name) {
// Actually, let's not rename the slider table (yet), because we
// haven't written the code to rename all of the morph targets.
// _data->set_name(name);
}