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/*=========================================================================
Program: Visualization Toolkit
Module: TestMotionFXCFGReaderCommon.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#ifndef TestMotionFXCFGReaderCommon_h
#define TestMotionFXCFGReaderCommon_h
#include <vtkActor.h>
#include <vtkCallbackCommand.h>
#include <vtkCompositePolyDataMapper2.h>
#include <vtkInformation.h>
#include <vtkMotionFXCFGReader.h>
#include <vtkNew.h>
#include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkRenderer.h>
#include <vtkSmartPointer.h>
#include <vtkStreamingDemandDrivenPipeline.h>
#include <vtkTestUtilities.h>
#include <vtkTesting.h>
#include <algorithm>
#include <cassert>
#include <vector>
namespace impl
{
struct ClientData
{
vtkSmartPointer<vtkRenderWindow> Window;
vtkSmartPointer<vtkMotionFXCFGReader> Reader;
vtkSmartPointer<vtkCompositePolyDataMapper2> Mapper;
std::vector<double> TimeSteps;
int CurrentIndex;
void GoToNext()
{
cout << "Go to next" << endl;
this->CurrentIndex =
std::min(static_cast<int>(this->TimeSteps.size()) - 1, this->CurrentIndex + 1);
this->Render();
}
void GoToPrev()
{
cout << "Go to prev" << endl;
this->CurrentIndex = std::max(0, this->CurrentIndex - 1);
this->Render();
}
void Play()
{
cout << "Playing";
for (size_t cc = 0; cc < this->TimeSteps.size(); ++cc)
{
cout << ".";
cout.flush();
this->CurrentIndex = static_cast<int>(cc);
this->Render();
}
cout << endl;
}
void Render()
{
assert(
this->CurrentIndex >= 0 && this->CurrentIndex < static_cast<int>(this->TimeSteps.size()));
this->Reader->UpdateTimeStep(this->TimeSteps[this->CurrentIndex]);
this->Mapper->SetInputDataObject(this->Reader->GetOutputDataObject(0));
this->Window->Render();
}
};
static void CharEventCallback(vtkObject* caller, unsigned long, void* clientdata, void*)
{
ClientData& data = *reinterpret_cast<ClientData*>(clientdata);
auto iren = vtkRenderWindowInteractor::SafeDownCast(caller);
switch (iren->GetKeyCode())
{
case 'x':
case 'X':
data.GoToNext();
break;
case 'z':
case 'Z':
data.GoToPrev();
break;
case 'c':
case 'C':
data.Play();
break;
}
}
template <typename InitializationCallback>
int Test(int argc, char* argv[], const char* dfile, const InitializationCallback& initCallback)
{
vtkNew<vtkMotionFXCFGReader> reader;
char* fname = vtkTestUtilities::ExpandDataFileName(argc, argv, dfile);
reader->SetFileName(fname);
delete[] fname;
reader->SetTimeResolution(100);
reader->UpdateInformation();
using SDDP = vtkStreamingDemandDrivenPipeline;
vtkInformation* outInfo = reader->GetOutputInformation(0);
const int numTimeSteps = outInfo->Length(SDDP::TIME_STEPS());
if (numTimeSteps != 100)
{
cerr << "ERROR: missing timesteps. Potential issue reading the CFG file." << endl;
return EXIT_FAILURE;
}
vtkNew<vtkRenderWindow> renWin;
vtkNew<vtkRenderer> renderer;
renWin->AddRenderer(renderer);
vtkNew<vtkRenderWindowInteractor> iren;
iren->SetRenderWindow(renWin);
vtkNew<vtkCompositePolyDataMapper2> mapper;
mapper->SetInputConnection(reader->GetOutputPort());
vtkNew<vtkActor> actor;
actor->SetMapper(mapper);
renderer->AddActor(actor);
initCallback(renWin, renderer, reader);
std::vector<double> ts(numTimeSteps);
outInfo->Get(SDDP::TIME_STEPS(), &ts[0]);
// for baseline comparison, we'll jump to the middle of the
// time sequence and do a capture.
reader->UpdateTimeStep(ts[numTimeSteps / 2]);
mapper->SetInputDataObject(reader->GetOutputDataObject(0));
renWin->Render();
const int retVal = vtkTesting::Test(argc, argv, renWin, 10);
if (retVal == vtkTesting::DO_INTERACTOR)
{
ClientData data;
data.Window = renWin;
data.Reader = reader;
data.Mapper = mapper;
data.TimeSteps = ts;
data.CurrentIndex = numTimeSteps / 2;
vtkNew<vtkCallbackCommand> observer;
observer->SetClientData(&data);
observer->SetCallback(&CharEventCallback);
iren->AddObserver(vtkCommand::CharEvent, observer);
cout << "Entering interactive mode......" << endl
<< "Supported operations:" << endl
<< " 'z' or 'Z' : go to next time step" << endl
<< " 'x' or 'X' : go to previous time step" << endl
<< " 'c' or 'C' : play animation from start to end" << endl
<< " 'q' or 'Q' : quit" << endl;
iren->Start();
return EXIT_SUCCESS;
}
else if (retVal == vtkTesting::NOT_RUN)
{
return VTK_SKIP_RETURN_CODE;
}
else if (retVal == vtkTesting::PASSED)
{
return EXIT_SUCCESS;
}
return EXIT_FAILURE;
}
}
#endif
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