255 lines
8.7 KiB
C++
255 lines
8.7 KiB
C++
/* -*-c++-*- Present3D - Copyright (C) 1999-2006 Robert Osfield
|
|
*
|
|
* This software is open source and may be redistributed and/or modified under
|
|
* the terms of the GNU General Public License (GPL) version 2.0.
|
|
* The full license is in LICENSE.txt file included with this distribution,.
|
|
*
|
|
* This software is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* include LICENSE.txt for more details.
|
|
*/
|
|
|
|
#include <osg/Notify>
|
|
#include <osg/io_utils>
|
|
|
|
#include <osgDB/ReaderWriter>
|
|
#include <osgDB/FileNameUtils>
|
|
#include <osgDB/FileUtils>
|
|
#include <osgDB/Registry>
|
|
|
|
#include <osgWidget/PdfReader>
|
|
|
|
#include <osgPresentation/SlideShowConstructor>
|
|
#include <osgPresentation/AnimationMaterial>
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
|
|
#include <osgDB/XmlParser>
|
|
|
|
#include <sstream>
|
|
#include <iostream>
|
|
|
|
|
|
/**
|
|
* OpenSceneGraph plugin wrapper/converter.
|
|
*/
|
|
class ReaderWriterPaths : public osgDB::ReaderWriter
|
|
{
|
|
public:
|
|
ReaderWriterPaths()
|
|
{
|
|
supportsExtension("material","Material animation Ascii file format");
|
|
supportsExtension("path","Animation path Ascii file format");
|
|
supportsExtension("pivot_path","Animation pivot path Ascii file format");
|
|
supportsExtension("rotation_path","Animation rotation path Ascii file format");
|
|
}
|
|
|
|
virtual const char* className() const
|
|
{
|
|
return "Path Reader/Writer";
|
|
}
|
|
|
|
virtual bool acceptsExtension(const std::string& extension) const
|
|
{
|
|
return osgDB::equalCaseInsensitive(extension,"material") ||
|
|
osgDB::equalCaseInsensitive(extension,"path") ||
|
|
osgDB::equalCaseInsensitive(extension,"pivot_path") ||
|
|
osgDB::equalCaseInsensitive(extension,"rotation_path");
|
|
}
|
|
|
|
virtual osgDB::ReaderWriter::ReadResult readObject(const std::string& fileName, const osgDB::Options* options) const;
|
|
|
|
virtual osgDB::ReaderWriter::ReadResult readObject(std::istream& fin, const osgDB::Options* options) const;
|
|
|
|
virtual osgDB::ReaderWriter::ReadResult read_material(std::istream& fin, const osgDB::Options* options) const;
|
|
virtual osgDB::ReaderWriter::ReadResult read_path(std::istream& fin, const osgDB::Options* options) const;
|
|
virtual osgDB::ReaderWriter::ReadResult read_pivot_path(std::istream& fin, const osgDB::Options* options) const;
|
|
virtual osgDB::ReaderWriter::ReadResult read_rotation_path(std::istream& fin, const osgDB::Options* options) const;
|
|
};
|
|
|
|
// now register with Registry to instantiate the above
|
|
// reader/writer.
|
|
REGISTER_OSGPLUGIN(paths, ReaderWriterPaths)
|
|
|
|
|
|
osgDB::ReaderWriter::ReadResult ReaderWriterPaths::readObject(const std::string& file, const osgDB::Options* options) const
|
|
{
|
|
|
|
|
|
std::string ext = osgDB::getLowerCaseFileExtension(file);
|
|
if (!acceptsExtension(ext)) return ReadResult::FILE_NOT_HANDLED;
|
|
|
|
osg::notify(osg::INFO)<<"ReaderWriterPaths::readObject("<<file<<")"<<std::endl;
|
|
|
|
std::string fileName = osgDB::findDataFile( file, options );
|
|
if (fileName.empty()) return ReadResult::FILE_NOT_FOUND;
|
|
|
|
osg::notify(osg::INFO)<<" Found path file :"<<fileName<<std::endl;
|
|
|
|
// code for setting up the database path so that internally referenced file are searched for on relative paths.
|
|
osg::ref_ptr<osgDB::ReaderWriter::Options> local_opt = options ? static_cast<osgDB::ReaderWriter::Options*>(options->clone(osg::CopyOp::SHALLOW_COPY)) : new Options;
|
|
local_opt->setPluginStringData("filename",fileName);
|
|
|
|
std::ifstream input(fileName.c_str());
|
|
|
|
return readObject(input, local_opt.get());
|
|
}
|
|
|
|
osgDB::ReaderWriter::ReadResult ReaderWriterPaths::readObject(std::istream& fin, const osgDB::Options* options) const
|
|
{
|
|
osg::notify(osg::INFO)<<"ReaderWriterPaths::readObject(std::istream& fin"<<std::endl;
|
|
|
|
if (!options) return ReadResult::FILE_NOT_HANDLED;
|
|
if (!fin) return ReadResult::ERROR_IN_READING_FILE;
|
|
|
|
|
|
std::string filename = options->getPluginStringData("filename");
|
|
|
|
std::string ext = osgDB::getLowerCaseFileExtension(filename);
|
|
|
|
osg::notify(osg::INFO)<<" filename found in options: "<<filename<<" extension="<<ext<<std::endl;
|
|
|
|
|
|
if (!acceptsExtension(ext)) return ReadResult::FILE_NOT_HANDLED;
|
|
|
|
|
|
if (ext=="path") return read_path(fin, options);
|
|
else if (ext=="material") return read_material(fin, options);
|
|
else if (ext=="pivot_path") return read_pivot_path(fin, options);
|
|
else if (ext=="rotation_path") return read_rotation_path(fin, options);
|
|
|
|
return ReadResult::FILE_NOT_HANDLED;
|
|
}
|
|
|
|
osgDB::ReaderWriter::ReadResult ReaderWriterPaths::read_material(std::istream& fin, const osgDB::Options* options) const
|
|
{
|
|
osg::ref_ptr<ss3d::AnimationMaterial> animationMaterial = new ss3d::AnimationMaterial;
|
|
animationMaterial->read(fin);
|
|
|
|
return animationMaterial.get();
|
|
}
|
|
|
|
osgDB::ReaderWriter::ReadResult ReaderWriterPaths::read_path(std::istream& fin, const osgDB::Options* options) const
|
|
{
|
|
osg::ref_ptr<osg::AnimationPath> animation = new osg::AnimationPath;
|
|
animation->read(fin);
|
|
return animation.get();
|
|
}
|
|
|
|
osgDB::ReaderWriter::ReadResult ReaderWriterPaths::read_pivot_path(std::istream& fin, const osgDB::Options* options) const
|
|
{
|
|
osg::ref_ptr<osg::AnimationPath> animation = new osg::AnimationPath;
|
|
|
|
while (!fin.eof())
|
|
{
|
|
double time;
|
|
osg::Vec3 pivot;
|
|
osg::Vec3 position;
|
|
float scale;
|
|
osg::Quat rotation;
|
|
fin >> time >> pivot.x() >> pivot.y() >> pivot.z() >> position.x() >> position.y() >> position.z() >> rotation.x() >> rotation.y() >> rotation.z() >> rotation.w() >> scale;
|
|
if(!fin.eof())
|
|
{
|
|
osg::Matrix SR = osg::Matrix::scale(scale,scale,scale)*
|
|
osg::Matrixf::rotate(rotation);
|
|
|
|
osg::Matrix invSR;
|
|
invSR.invert(SR);
|
|
|
|
position += (invSR*pivot)*SR;
|
|
|
|
animation->insert(time,osg::AnimationPath::ControlPoint(position,rotation,osg::Vec3(scale,scale,scale)));
|
|
}
|
|
}
|
|
|
|
return animation.get();
|
|
}
|
|
|
|
struct RotationPathData
|
|
{
|
|
RotationPathData():
|
|
time(0.0),
|
|
scale(1.0f),
|
|
azim(0.0f),
|
|
elevation(0.0f) {}
|
|
|
|
double time;
|
|
osg::Vec3 pivot;
|
|
osg::Vec3 position;
|
|
float scale;
|
|
float azim;
|
|
float elevation;
|
|
|
|
void addToPath(osg::AnimationPath* animation) const
|
|
{
|
|
osg::Quat Rx, Rz, rotation;
|
|
|
|
Rx.makeRotate(osg::DegreesToRadians(elevation),1.0f,0.0f,0.0f);
|
|
Rz.makeRotate(osg::DegreesToRadians(azim),0.0f,0.0f,1.0f);
|
|
rotation = Rz * Rx; // note, I believe this is the wrong way round, but I had to put it in this order to fix the Quat properly.
|
|
|
|
osg::Matrix SR = osg::Matrix::scale(scale,scale,scale)*
|
|
osg::Matrixf::rotate(rotation);
|
|
|
|
osg::Matrix invSR;
|
|
invSR.invert(SR);
|
|
|
|
osg::Vec3 local_position = position + (invSR*pivot)*SR;
|
|
|
|
animation->insert(time,osg::AnimationPath::ControlPoint(local_position,rotation,osg::Vec3(scale,scale,scale)));
|
|
}
|
|
|
|
};
|
|
|
|
osgDB::ReaderWriter::ReadResult ReaderWriterPaths::read_rotation_path(std::istream& fin, const osgDB::Options* options) const
|
|
{
|
|
osg::ref_ptr<osg::AnimationPath> animation = new osg::AnimationPath;
|
|
|
|
RotationPathData prevValue;
|
|
bool first = true;
|
|
while (!fin.eof())
|
|
{
|
|
RotationPathData currValue;
|
|
fin >> currValue.time >> currValue.pivot.x() >> currValue.pivot.y() >> currValue.pivot.z() >> currValue.position.x() >> currValue.position.y() >> currValue.position.z() >> currValue.azim >> currValue.elevation >> currValue.scale;
|
|
|
|
if(!fin.eof())
|
|
{
|
|
|
|
if (!first)
|
|
{
|
|
|
|
unsigned int num = 20;
|
|
float dr = 1.0f/(float)num;
|
|
float r=dr;
|
|
for(unsigned int i=0;
|
|
i<num;
|
|
++i, r+=dr)
|
|
{
|
|
RotationPathData localValue;
|
|
localValue.time = currValue.time *r + prevValue.time * (1.0f-r);
|
|
localValue.pivot = currValue.pivot *r + prevValue.pivot * (1.0f-r);
|
|
localValue.position = currValue.position *r + prevValue.position * (1.0f-r);
|
|
localValue.scale = currValue.scale *r + prevValue.scale * (1.0f-r);
|
|
localValue.azim = currValue.azim *r + prevValue.azim * (1.0f-r);
|
|
localValue.elevation = currValue.elevation *r + prevValue.elevation * (1.0f-r);
|
|
|
|
localValue.addToPath(animation.get());
|
|
}
|
|
}
|
|
else
|
|
{
|
|
currValue.addToPath(animation.get());
|
|
}
|
|
prevValue = currValue;
|
|
first = false;
|
|
}
|
|
|
|
}
|
|
osg::notify(osg::NOTICE)<<"finished"<<std::endl;
|
|
|
|
return animation.get();
|
|
}
|