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417 lines
14 KiB
C++
417 lines
14 KiB
C++
// Filename: animChannelMatrixXfmTable.cxx
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// Created by: drose (20Feb99)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://www.panda3d.org/license.txt .
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//
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// To contact the maintainers of this program write to
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// panda3d@yahoogroups.com .
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//
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////////////////////////////////////////////////////////////////////
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#include "animChannelMatrixXfmTable.h"
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#include "animBundle.h"
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#include "config_chan.h"
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#include "compose_matrix.h"
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#include "indent.h"
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#include "datagram.h"
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#include "datagramIterator.h"
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#include "bamReader.h"
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#include "bamWriter.h"
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#include "fftCompressor.h"
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TypeHandle AnimChannelMatrixXfmTable::_type_handle;
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////////////////////////////////////////////////////////////////////
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// Function: AnimChannelMatrixXfmTable::Constructor
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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AnimChannelMatrixXfmTable::
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AnimChannelMatrixXfmTable(AnimGroup *parent, const string &name)
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: AnimChannelMatrix(parent, name) {
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}
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////////////////////////////////////////////////////////////////////
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// Function: AnimChannelMatrixXfmTable::Constructor
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// Access: Protected
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// Description: Used only for bam loader.
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/////////////////////////////////////////////////////////////
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AnimChannelMatrixXfmTable::
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AnimChannelMatrixXfmTable() {
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}
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////////////////////////////////////////////////////////////////////
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// Function: AnimChannelMatrixXfmTable::Destructor
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// Access: Public, Virtual
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// Description:
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/////////////////////////////////////////////////////////////
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AnimChannelMatrixXfmTable::
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~AnimChannelMatrixXfmTable() {
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}
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////////////////////////////////////////////////////////////////////
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// Function: AnimChannelMatrixXfmTable::has_changed
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// Access: Public, Virtual
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// Description: Returns true if the value has changed since the last
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// call to has_changed(). last_frame is the frame
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// number of the last call; this_frame is the current
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// frame number.
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////////////////////////////////////////////////////////////////////
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bool AnimChannelMatrixXfmTable::
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has_changed(int last_frame, int this_frame) {
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if (last_frame != this_frame) {
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for (int i = 0; i < num_matrix_components; i++) {
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if (_tables[i].size() > 1) {
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if (_tables[i][last_frame % _tables[i].size()] !=
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_tables[i][this_frame % _tables[i].size()]) {
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return true;
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}
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}
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}
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}
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return false;
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}
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////////////////////////////////////////////////////////////////////
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// Function: AnimChannelMatrixXfmTable::get_value
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// Access: Public, Virtual
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// Description: Gets the value of the channel at the indicated frame.
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////////////////////////////////////////////////////////////////////
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void AnimChannelMatrixXfmTable::
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get_value(int frame, LMatrix4f &mat) {
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float components[num_matrix_components];
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for (int i = 0; i < num_matrix_components; i++) {
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if (_tables[i].empty()) {
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components[i] = get_default_value(i);
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} else {
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components[i] = _tables[i][frame % _tables[i].size()];
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}
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}
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compose_matrix(mat, components);
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}
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////////////////////////////////////////////////////////////////////
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// Function: AnimChannelMatrixXfmTable::get_value_no_scale
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// Access: Public, Virtual
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// Description: Gets the value of the channel at the indicated frame,
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// without any scale information.
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////////////////////////////////////////////////////////////////////
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void AnimChannelMatrixXfmTable::
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get_value_no_scale(int frame, LMatrix4f &mat) {
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float components[num_matrix_components];
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components[0] = 1.0f;
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components[1] = 1.0f;
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components[2] = 1.0f;
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for (int i = 3; i < num_matrix_components; i++) {
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if (_tables[i].empty()) {
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components[i] = get_default_value(i);
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} else {
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components[i] = _tables[i][frame % _tables[i].size()];
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}
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}
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compose_matrix(mat, components);
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}
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////////////////////////////////////////////////////////////////////
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// Function: AnimChannelMatrixXfmTable::get_scale
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// Access: Public, Virtual
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// Description: Gets the scale value at the indicated frame.
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////////////////////////////////////////////////////////////////////
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void AnimChannelMatrixXfmTable::
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get_scale(int frame, float scale[3]) {
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for (int i = 0; i < 3; i++) {
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if (_tables[i].empty()) {
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scale[i] = get_default_value(i);
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} else {
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scale[i] = _tables[i][frame % _tables[i].size()];
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}
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}
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}
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////////////////////////////////////////////////////////////////////
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// Function: AnimChannelMatrixXfmTable::clear_all_tables
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// Access: Public
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// Description: Removes all the tables from the channel, and resets
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// it to its initial state.
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////////////////////////////////////////////////////////////////////
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void AnimChannelMatrixXfmTable::
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clear_all_tables() {
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for (int i = 0; i < num_matrix_components; i++) {
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_tables[i] = NULL;
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}
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}
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////////////////////////////////////////////////////////////////////
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// Function: AnimChannelMatrixXfmTable::set_table
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// Access: Public
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// Description: Assigns the indicated table. table_id is one of 'i',
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// 'j', 'k', for scale, 'h', 'p', 'r', for rotation, and
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// 'x', 'y', 'z', for translation. The new table must
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// have either zero, one, or get_num_frames() frames.
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////////////////////////////////////////////////////////////////////
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void AnimChannelMatrixXfmTable::
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set_table(char table_id, const CPTA_float &table) {
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int num_frames = _root->get_num_frames();
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if (table.size() > 1 && (int)table.size() < num_frames) {
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// The new table has an invalid number of frames--it doesn't match
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// the bundle's requirement.
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return;
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}
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int i = get_table_index(table_id);
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if (i < 0) {
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return;
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}
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_tables[i] = table;
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}
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////////////////////////////////////////////////////////////////////
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// Function: AnimChannelMatrixXfmTable::write
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// Access: Public, Virtual
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// Description: Writes a brief description of the table and all of
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// its descendants.
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////////////////////////////////////////////////////////////////////
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void AnimChannelMatrixXfmTable::
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write(ostream &out, int indent_level) const {
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indent(out, indent_level)
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<< get_type() << " " << get_name() << " ";
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// Write a list of all the sub-tables that have data.
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bool found_any = false;
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for (int i = 0; i < num_matrix_components; i++) {
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if (!_tables[i].empty()) {
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out << get_table_id(i) << _tables[i].size();
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found_any = true;
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}
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}
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if (!found_any) {
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out << "(no data)";
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}
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if (!_children.empty()) {
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out << " {\n";
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write_descendants(out, indent_level + 2);
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indent(out, indent_level) << "}";
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}
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out << "\n";
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}
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////////////////////////////////////////////////////////////////////
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// Function: AnimChannelMatrixXfmTable::get_table_index
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// Access: Protected, Static
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// Description: Returns the table index number, a value between 0 and
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// num_matrix_components, that corresponds to the indicate table
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// id. Returns -1 if the table id is invalid.
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////////////////////////////////////////////////////////////////////
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int AnimChannelMatrixXfmTable::
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get_table_index(char table_id) {
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for (int i = 0; i < num_matrix_components; i++) {
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if (table_id == get_table_id(i)) {
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return i;
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}
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}
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return -1;
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}
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////////////////////////////////////////////////////////////////////
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// Function: AnimChannelMatrixXfmTable::write_datagram
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// Access: Public
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// Description: Function to write the important information in
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// the particular object to a Datagram
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////////////////////////////////////////////////////////////////////
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void AnimChannelMatrixXfmTable::
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write_datagram(BamWriter *manager, Datagram &me) {
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AnimChannelMatrix::write_datagram(manager, me);
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if (compress_channels && !FFTCompressor::is_compression_available()) {
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chan_cat.error()
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<< "Compression is not available; writing uncompressed channels.\n";
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compress_channels = false;
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}
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me.add_bool(compress_channels);
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if (!compress_channels) {
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// Write out everything uncompressed, as a stream of floats.
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for (int i = 0; i < num_matrix_components; i++) {
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me.add_uint16(_tables[i].size());
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for(int j = 0; j < (int)_tables[i].size(); j++) {
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me.add_float32(_tables[i][j]);
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}
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}
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} else {
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// Write out everything using lossy compression.
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FFTCompressor compressor;
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compressor.set_quality(compress_chan_quality);
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compressor.set_use_error_threshold(true);
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compressor.write_header(me);
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// First, write out the scales and shears.
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int i;
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for (i = 0; i < 6; i++) {
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compressor.write_reals(me, _tables[i], _tables[i].size());
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}
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// Now, write out the joint angles. For these we need to build up
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// a HPR array.
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vector_LVecBase3f hprs;
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int hprs_length =
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max(max(_tables[6].size(), _tables[7].size()), _tables[8].size());
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hprs.reserve(hprs_length);
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for (i = 0; i < hprs_length; i++) {
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float h = _tables[6].empty() ? 0.0f : _tables[6][i % _tables[6].size()];
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float p = _tables[7].empty() ? 0.0f : _tables[7][i % _tables[7].size()];
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float r = _tables[8].empty() ? 0.0f : _tables[8][i % _tables[8].size()];
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hprs.push_back(LVecBase3f(h, p, r));
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}
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compressor.write_hprs(me, &hprs[0], hprs_length);
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// And now the translations.
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for(i = 9; i < num_matrix_components; i++) {
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compressor.write_reals(me, _tables[i], _tables[i].size());
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}
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}
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}
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////////////////////////////////////////////////////////////////////
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// Function: AnimChannelMatrixXfmTable::fillin
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// Access: Protected
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// Description: Function that reads out of the datagram (or asks
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// manager to read) all of the data that is needed to
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// re-create this object and stores it in the appropiate
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// place
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////////////////////////////////////////////////////////////////////
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void AnimChannelMatrixXfmTable::
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fillin(DatagramIterator &scan, BamReader *manager) {
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AnimChannelMatrix::fillin(scan, manager);
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bool wrote_compressed = scan.get_bool();
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if (!wrote_compressed) {
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// Regular floats.
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for (int i = 0; i < num_matrix_components; i++) {
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if (manager->get_file_minor_ver() < 6 && i >= 3 && i < 6) {
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// Old bam files didn't store a shear component.
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_tables[i].clear();
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} else {
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int size = scan.get_uint16();
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PTA_float ind_table;
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for (int j = 0; j < size; j++) {
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ind_table.push_back(scan.get_float32());
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}
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_tables[i] = ind_table;
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}
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}
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} else {
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// Compressed channels.
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if (!read_compressed_channels) {
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chan_cat.info()
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<< "Not reading compressed animation channels.\n";
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clear_all_tables();
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return;
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}
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FFTCompressor compressor;
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compressor.read_header(scan, manager->get_file_minor_ver());
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int i;
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// First, read in the scales and shears.
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for (i = 0; i < 3; i++) {
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PTA_float ind_table = PTA_float::empty_array(0);
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compressor.read_reals(scan, ind_table.v());
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_tables[i] = ind_table;
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}
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if (manager->get_file_minor_ver() < 6) {
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// Old bam files didn't store a shear.
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_tables[3].clear();
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_tables[4].clear();
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_tables[5].clear();
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} else {
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for (i = 3; i < 6; i++) {
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PTA_float ind_table = PTA_float::empty_array(0);
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compressor.read_reals(scan, ind_table.v());
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_tables[i] = ind_table;
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}
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}
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// Read in the HPR array and store it back in the joint angles.
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vector_LVecBase3f hprs;
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compressor.read_hprs(scan, hprs);
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PTA_float h_table = PTA_float::empty_array(hprs.size());
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PTA_float p_table = PTA_float::empty_array(hprs.size());
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PTA_float r_table = PTA_float::empty_array(hprs.size());
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for (i = 0; i < (int)hprs.size(); i++) {
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h_table[i] = hprs[i][0];
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p_table[i] = hprs[i][1];
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r_table[i] = hprs[i][2];
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}
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_tables[6] = h_table;
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_tables[7] = p_table;
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_tables[8] = r_table;
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// Now read in the translations.
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for (i = 9; i < num_matrix_components; i++) {
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PTA_float ind_table = PTA_float::empty_array(0);
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compressor.read_reals(scan, ind_table.v());
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_tables[i] = ind_table;
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}
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}
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}
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////////////////////////////////////////////////////////////////////
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// Function: AnimChannelMatrixXfmTable::make_AnimChannelMatrixXfmTable
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// Access: Protected
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// Description: Factory method to generate an
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// AnimChannelMatrixXfmTable object.
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////////////////////////////////////////////////////////////////////
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TypedWritable *AnimChannelMatrixXfmTable::
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make_AnimChannelMatrixXfmTable(const FactoryParams ¶ms) {
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AnimChannelMatrixXfmTable *me = new AnimChannelMatrixXfmTable;
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DatagramIterator scan;
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BamReader *manager;
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parse_params(params, scan, manager);
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me->fillin(scan, manager);
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return me;
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}
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////////////////////////////////////////////////////////////////////
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// Function: AnimChannelMatrixXfmTable::register_with_factory
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// Access: Public, Static
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// Description: Factory method to generate an
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// AnimChannelMatrixXfmTable object.
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////////////////////////////////////////////////////////////////////
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void AnimChannelMatrixXfmTable::
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register_with_read_factory() {
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BamReader::get_factory()->register_factory(get_class_type(), make_AnimChannelMatrixXfmTable);
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}
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