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viewer.cpp
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#ifdef WIN32_VC90
#pragma warning (disable : 4251)
#endif
#include "viewer.h"
#include <QColor>
#include <QTextCodec>
#include <QMessageBox>
#include <BulletCollision/Gimpact/btGImpactCollisionAlgorithm.h>
#include "lua_converters.h"
#include "lua_bullet.h"
#ifdef HAS_LUA_QT
#include "lua_register.h"
#endif
#include "objects/object.h"
#include "objects/objects.h"
#include "objects/plane.h"
#include "objects/cube.h"
#include "objects/sphere.h"
#include "objects/cylinder.h"
#ifdef HAS_LIB_ASSIMP
#include "objects/mesh.h"
#include "objects/openscad.h"
#endif
#include "objects/palette.h"
#include "objects/cam.h"
#ifdef HAS_QEXTSERIAL
#include "qserial.h"
#endif
#ifdef WIN32
#include <windows.h>
#endif
#include <GL/glut.h>
#include <QDebug>
#include <boost/exception/all.hpp>
#include <boost/throw_exception.hpp>
#include <boost/exception/info.hpp>
#include <luabind/class_info.hpp>
#include <luabind/operator.hpp>
#include <luabind/adopt_policy.hpp>
#include <luabind/tag_function.hpp>
#include <QProcess>
#include <QProcessEnvironment>
#include <QStringList>
#include <QStandardPaths>
typedef boost::error_info<struct tag_stack_str,std::string> stack_info;
using namespace std;
std::ostream& operator<<(std::ostream& ostream, const Viewer& v) {
ostream << v.toString().toUtf8().data();
return ostream;
}
std::ostream& operator<<(std::ostream& ostream, const QString& s) {
ostream << s.toUtf8().data();
return ostream;
}
std::ostream& operator<<(std::ostream& ostream, const QColor& c) {
ostream << "QColor(\"" << c.name().toUtf8().data() << "\")";
return ostream;
}
std::ostream& operator<<(std::ostream& ostream, const JoystickInfo& ji) {
Q_UNUSED(ji)
ostream << "JoystickInfo()"; //XXX
return ostream;
}
QString Viewer::toString() const {
return QString("Viewer");
}
void Viewer::luaBind(lua_State *s) {
using namespace luabind;
module(s)
[
class_<Viewer>("Viewer")
.def(constructor<>())
.def("setCam", (void(Viewer::*)(Cam *))&Viewer::setCamera, adopt(_2))
.def("getCam", &Viewer::getCamera)
.def("add", (void(Viewer::*)(Object *))&Viewer::addObject, adopt(_2))
.def("remove", (void(Viewer::*)(Object *))&Viewer::removeObject, adopt(result))
.def("addConstraint", (void(Viewer::*)(btTypedConstraint *))&Viewer::addConstraint, adopt(_2))
.def("removeConstraint", (void(Viewer::*)(btTypedConstraint *))&Viewer::removeConstraint, adopt(result))
.def("createVehicleRaycaster", &Viewer::createVehicleRaycaster)
.def("addVehicle", (void(Viewer::*)(btRaycastVehicle *))&Viewer::addVehicle, adopt(_2))
.def("addShortcut", &Viewer::addShortcut)
.def("removeShortcut", &Viewer::removeShortcut)
.def("preStart", (void(Viewer::*)(const luabind::object &fn))&Viewer::setCBPreStart, adopt(luabind::result))
.def("preDraw", (void(Viewer::*)(const luabind::object &fn))&Viewer::setCBPreDraw, adopt(luabind::result))
.def("postDraw", (void(Viewer::*)(const luabind::object &fn))&Viewer::setCBPostDraw, adopt(luabind::result))
.def("preSim", (void(Viewer::*)(const luabind::object &fn))&Viewer::setCBPreSim, adopt(luabind::result))
.def("postSim", (void(Viewer::*)(const luabind::object &fn))&Viewer::setCBPostSim, adopt(luabind::result))
.def("preStop", (void(Viewer::*)(const luabind::object &fn))&Viewer::setCBPreStop, adopt(luabind::result))
.def("onCommand", (void(Viewer::*)(const luabind::object &fn))&Viewer::setCBOnCommand, adopt(luabind::result))
.def("onJoystick", (void(Viewer::*)(const luabind::object &fn))&Viewer::setCBOnJoystick, adopt(luabind::result))
.def("savePrefs", &Viewer::setPrefs)
.def("loadPrefs", &Viewer::getPrefs)
.def("clearDebugText", &Viewer::clearDebugText)
.def("quickRender", (void(Viewer::*)(QString povargs))&Viewer::onQuickRender)
.def("toPOV", &Viewer::toPOV)
.property("pov", &Viewer::toPOV)
.property("cam", &Viewer::getCamera, &Viewer::setCamera)
.property("gravity", &Viewer::getGravity, &Viewer::setGravity)
// http://bulletphysics.org/mediawiki-1.5.8/index.php/Stepping_the_World
.property("timeStep", &Viewer::getTimeStep, &Viewer::setTimeStep)
.property("maxSubSteps", &Viewer::getMaxSubSteps, &Viewer::setMaxSubSteps)
.property("fixedTimeStep", &Viewer::getFixedTimeStep, &Viewer::setFixedTimeStep)
.property("glShininess", &Viewer::getGLShininess, &Viewer::setGLShininess)
.property("glSpecularColor", &Viewer::getGLSpecularColor, &Viewer::setGLSpecularColor)
.property("glSpecularColor", &Viewer::getGLSpecularCol, &Viewer::setGLSpecularCol)
.property("glLight0", &Viewer::getGLLight0, &Viewer::setGLLight0)
.property("glLight1", &Viewer::getGLLight1, &Viewer::setGLLight1)
.property("glAmbient", &Viewer::getGLAmbient, &Viewer::setGLAmbient)
.property("glDiffuse", &Viewer::getGLDiffuse, &Viewer::setGLDiffuse)
.property("glSpecular", &Viewer::getGLSpecular, &Viewer::setGLSpecular)
.property("glModelAmbient", &Viewer::getGLModelAmbient, &Viewer::setGLModelAmbient)
.property("glAmbient", &Viewer::getGLAmbientPercent, &Viewer::setGLAmbientPercent)
.property("glDiffuse", &Viewer::getGLDiffusePercent, &Viewer::setGLDiffusePercent)
.property("glSpecular", &Viewer::getGLSpecularPercent, &Viewer::setGLSpecularPercent)
.property("glModelAmbient", &Viewer::getGLModelAmbientPercent, &Viewer::setGLModelAmbientPercent)
.property("pre_sdl", &Viewer::getPreSDL, &Viewer::setPreSDL)
.property("post_sdl", &Viewer::getPostSDL, &Viewer::setPostSDL)
.property("pov_settings", &Viewer::getPOVSettingsInc, &Viewer::setPOVSettingsInc)
.def(tostring(const_self))
];
// QT helper classes
module(s)
[
class_<QColor>("QColor")
.def(constructor<>(), adopt(result))
.def(constructor<QString>(), adopt(result))
.def(constructor<int, int, int>(), adopt(result))
.def(constructor<int, int, int, int>(), adopt(result))
.property("r", &QColor::red, &QColor::setRed)
.property("g", &QColor::green, &QColor::setGreen)
.property("b", &QColor::blue, &QColor::setBlue)
.def(tostring(self))
];
module(s)
[
class_<QString>("QString")
.def(constructor<>())
.def(constructor<const char *>())
.def(tostring(self))
];
module(s)
[
class_<JoystickInfo>("JoystickInfo")
.def(constructor<>())
.property("axes", &JoystickInfo::getAxisValues)
.property("axis0", &JoystickInfo::getAxis0)
.property("axis1", &JoystickInfo::getAxis1)
.property("axis2", &JoystickInfo::getAxis2)
.property("axis3", &JoystickInfo::getAxis3)
.property("buttons", &JoystickInfo::getButtonValues)
.property("button0", &JoystickInfo::getButton0)
.property("button1", &JoystickInfo::getButton1)
.property("button2", &JoystickInfo::getButton2)
.property("button3", &JoystickInfo::getButton3)
.property("triggeredButton0", &JoystickInfo::getTriggeredButton0)
.property("triggeredButton1", &JoystickInfo::getTriggeredButton1)
.property("triggeredButton2", &JoystickInfo::getTriggeredButton2)
.property("triggeredButton3", &JoystickInfo::getTriggeredButton3)
.def(tostring(self))
];
}
void Viewer::addObject(Object* o) {
if (o == NULL) return;
addObject(o, o->getCol1(), o->getCol2());
addConstraints(o->getConstraints());
}
void Viewer::removeObject(Object* o) {
if (o == NULL) return;
if (o->body != NULL)
dynamicsWorld->removeRigidBody(o->body);
_objects->remove(o);
o->setParent(0);
}
void Viewer::addConstraint(btTypedConstraint *con) {
dynamicsWorld->addConstraint(con, true);
_constraints->insert(con);
}
void Viewer::removeConstraint(btTypedConstraint *con) {
dynamicsWorld->removeConstraint(con);
_constraints->remove(con);
}
void Viewer::addConstraints(QList<btTypedConstraint *> cons) {
for (int i = 0; i < cons.size(); ++i) {
addConstraint(cons[i]);
}
}
btVehicleRaycaster* Viewer::createVehicleRaycaster() {
return new btDefaultVehicleRaycaster(dynamicsWorld);
}
void Viewer::addVehicle(btRaycastVehicle *veh) {
dynamicsWorld->addVehicle(veh);
_raycast_vehicles->insert(veh);
}
void Viewer::luaBindInstance(lua_State *s) {
using namespace luabind;
globals(s)["v"] = this;
}
void report_errors(lua_State *L, int status)
{
if ( status!=0 ) {
std::cerr << "-- " << lua_tostring(L, -1) << "\n";
lua_pop(L, 1); // remove error message
}
}
#define G 9.81f
using namespace qglviewer;
namespace {
void getAABB(QSet<Object *> *objects, btScalar aabb[6]) {
aabb[0] = -10; aabb[1] = -10; aabb[2] = -10;
aabb[3] = 10; aabb[4] = 10; aabb[5] = 10;
QSet<Object*>::iterator oi;
for (oi = objects->begin(); oi != objects->end(); oi++) {
Object *o = *oi;
if (o->body != NULL) {
btVector3 oaabbmin(0,0,0), oaabbmax(0,0,0);
o->body->getAabb(oaabbmin, oaabbmax);
if ("Plane" == o->toString()) {
btScalar s = ((Plane*)o)->getSize();
oaabbmin[0] = -s;
oaabbmin[1] = -s;
oaabbmin[2] = -s;
oaabbmax[0] = s;
oaabbmax[1] = s;
oaabbmax[2] = s;
}
if (isfinite(o->getPosition().x()) &&
isfinite(o->getPosition().y()) &&
isfinite(o->getPosition().z())) {
oaabbmin -= o->getPosition();
oaabbmax += o->getPosition();
}
for (int i = 0; i < 3; ++i) {
aabb[ i] = qMin(aabb[ i], oaabbmin[i]);
aabb[3+i] = qMax(aabb[3+i], oaabbmax[i]);
}
}
}
}
}
void Viewer::keyPressEvent(QKeyEvent *e) {
int keyInt = e->key();
Qt::Key key = static_cast<Qt::Key>(keyInt);
if (key == Qt::Key_unknown) {
qDebug() << "Unknown key from a macro probably";
return;
}
// the user have clicked just and only the special keys Ctrl, Shift, Alt, Meta.
if(key == Qt::Key_Control ||
key == Qt::Key_Shift ||
key == Qt::Key_Alt ||
key == Qt::Key_Meta)
{
// qDebug() << "Single click of special key: Ctrl, Shift, Alt or Meta";
// qDebug() << "New KeySequence:" << QKeySequence(keyInt).toString(QKeySequence::NativeText);
// return;
}
// check for a combination of user clicks
Qt::KeyboardModifiers modifiers = e->modifiers();
QString keyText = e->text();
// if the keyText is empty than it's a special key like F1, F5, ...
// qDebug() << "Pressed Key:" << keyText;
QList<Qt::Key> modifiersList;
if(modifiers & Qt::ShiftModifier)
keyInt += Qt::SHIFT;
if(modifiers & Qt::ControlModifier)
keyInt += Qt::CTRL;
if(modifiers & Qt::AltModifier)
keyInt += Qt::ALT;
if(modifiers & Qt::MetaModifier)
keyInt += Qt::META;
QString seq = QKeySequence(keyInt).toString(QKeySequence::NativeText);
// qDebug() << "KeySequence:" << seq;
if (_cb_shortcuts->contains(seq)) {
try {
luabind::call_function<void>(_cb_shortcuts->value(seq), _frameNum);
} catch (const std::exception& e) {
showLuaException(e, "onShortcut()");
}
return; // skip built in command if overridden by shortcut
}
switch (e->key()) {
case Qt::Key_S :
_simulate = !_simulate;
emit simulationStateChanged(_simulate);
break;
case Qt::Key_P :
_savePOV = !_savePOV;
if(_savePOV){
_firstFrame=_frameNum;
}
emit POVStateChanged(_savePOV);
break;
case Qt::Key_D :
_deactivation = !_deactivation;
emit deactivationStateChanged(_deactivation);
break;
case Qt::Key_R :
parse(_scriptContent);
break;
case Qt::Key_C :
resetCamView();
break;
default:
QGLViewer::keyPressEvent(e);
}
}
void Viewer::addObject(Object *o, int type, int mask) {
_objects->insert(o);
if (o->body != NULL) {
if(!_deactivation){
o->body->setActivationState(DISABLE_DEACTIVATION);
}
dynamicsWorld->addRigidBody(o->body, type, mask);
}
}
void Viewer::addObjects(QList<Object *> ol, int type, int mask) {
foreach (Object *o, ol) {
addObject(o, type, mask);
}
}
void Viewer::addObjects() {
}
void Viewer::setGravity(btVector3 gravity) {
dynamicsWorld->setGravity(gravity);
}
btVector3 Viewer::getGravity() {
return dynamicsWorld->getGravity();
}
void Viewer::setTimeStep(btScalar ts) {
_timeStep = ts;
}
btScalar Viewer::getTimeStep() {
return _timeStep;
}
void Viewer::setMaxSubSteps(int mst) {
_maxSubSteps = mst;
}
int Viewer::getMaxSubSteps() {
return _maxSubSteps;
}
void Viewer::setFixedTimeStep(btScalar fts) {
_fixedTimeStep = fts;
}
btScalar Viewer::getFixedTimeStep() {
return _fixedTimeStep;
}
Viewer::Viewer(QWidget *parent, QSettings *settings, bool savePOV) : QGLViewer() {
Q_UNUSED(parent);
_settings = settings;
setAttribute(Qt::WA_DeleteOnClose);
_objects = new QSet<Object *>();
_constraints = new QSet<btTypedConstraint *>();
_raycast_vehicles = new QSet<btRaycastVehicle *>();
L = NULL;
_savePOV = savePOV;
setSnapshotFormat("png");
_simulate = false;
_deactivation = true;
collisionCfg = new btDefaultCollisionConfiguration();
btBroadphaseInterface* broadphase = new btDbvtBroadphase();
dynamicsWorld = new btDiscreteDynamicsWorld(new btCollisionDispatcher(collisionCfg),
broadphase, new btSequentialImpulseConstraintSolver, collisionCfg);
btCollisionDispatcher * dispatcher =
static_cast<btCollisionDispatcher *>(dynamicsWorld ->getDispatcher());
btGImpactCollisionAlgorithm::registerAlgorithm(dispatcher);
_frameNum = 0;
_firstFrame = 0;
_cb_shortcuts = new QHash<QString, luabind::object>();
loadPrefs();
setCamera(new Cam(this));
// POV-Ray properties
mPreSDL = "";
mPostSDL = "";
// joystick integration
_joystickInterface = new JoystickInterfaceSDL();
connect(&_joystickHandler, SIGNAL(data(JoystickInfo)), this, SLOT(onJoystickData(JoystickInfo)));
_joystickHandler.setInterface(_joystickInterface);
_joystickHandler.initialize();
_joystickHandler.setUpdateInterval(40); // 25 fps
startAnimation();
}
void Viewer::onJoystickData(const JoystickInfo &ji) {
QMutexLocker locker(&mutex);
if (_cb_onJoystick) {
try {
luabind::call_function<void>(_cb_onJoystick, _frameNum, ji);
} catch (const std::exception& e) {
showLuaException(e, "onJoystick()");
}
}
}
void Viewer::close() {
// qDebug() << "Viewer::close()";
savePrefs();
QGLViewer::close();
}
void Viewer::setCamera(Cam *cam) {
_cam = cam;
QGLViewer::setCamera( cam );
}
Cam* Viewer::getCamera() {
return _cam;
}
void Viewer::setSavePOV(bool pov) {
_savePOV = pov;
if(_savePOV){
_firstFrame=_frameNum;
}
}
void Viewer::setPOVSettingsInc(QString s) {
_pov_settings_inc = s;
}
QString Viewer::getPOVSettingsInc() {
return _pov_settings_inc;
}
void Viewer::toggleSavePOV(bool savePOV) {
_savePOV = savePOV;
if(_savePOV){
_firstFrame=_frameNum;
}
}
void Viewer::toggleDeactivation(bool deactivation) {
_deactivation = deactivation;
}
void Viewer::startSim() {
_simulate = true;
}
void Viewer::stopSim() {
_simulate = false;
}
void Viewer::restartSim() {
parse(_scriptContent);
}
void Viewer::setScriptName(QString sn) {
_scriptName = sn;
}
void Viewer::emitScriptOutput(const QString& out) {
emit scriptHasOutput(out);
}
int Viewer::lua_print(lua_State* L) {
Viewer* p = static_cast<Viewer*>(lua_touserdata(L, lua_upvalueindex(1)));
if (p) {
int n = lua_gettop(L); /* number of arguments */
int i;
lua_getglobal(L, "tostring");
for (i=1; i <= n; i++) {
const char *s;
lua_pushvalue(L, -1); /* function to be called */
lua_pushvalue(L, i); /* value to print */
lua_call(L, 1, 1);
s = lua_tostring(L, -1); /* get result */
if (s == NULL)
return luaL_error(L, "'tostring' must return a string to 'print'");
// if (i>1) p->emitScriptOutput(QString("\t"));
p->emitScriptOutput(QString(s));
lua_pop(L, 1); /* pop result */
}
// p->emitScriptOutput(QString("\n"));
} else {
return luaL_error(L, "stack has no thread ref", "");
}
return 0;
}
/*
void Viewer::luabind_error(lua_State* L) {
qDebug() << "luabind_error" << "\n";
// the error message should be on top of the stack
QString luaWhat = QString("%1").arg(lua_tostring(L, -1));
//emit scriptHasOutput(QString("%1").arg(luaWhat));
}*/
bool Viewer::parse(QString txt) {
QMutexLocker locker(&mutex);
emit scriptStopped();
if(_cb_preStop) {
try {
luabind::call_function<void>(_cb_preStop, _frameNum);
} catch (const std::exception& e) {
showLuaException(e, "preStop()");
}
}
_parsing = true;
_has_exception = false;
_scriptContent = txt;
bool animStarted = animationIsStarted();
if (animStarted) {
stopAnimation();
}
emit scriptStarts();
clear();
if (L != NULL) {
lua_gc(L, LUA_GCCOLLECT, 0); // collect garbage
int lsize = lua_gc(L, LUA_GCCOUNT, -1);
emit statusEvent(QString("LUA_GCCOUNT = %1").arg(lsize));
// lua_gc(L, LUA_GCSTOP, -1);
//XXX lua_gc(L, LUA_GCCOLLECT, 0); // collect garbage
//XXX clear();
// invalidate function refs
_cb_preStart = luabind::object();
_cb_preStop = luabind::object();
_cb_preDraw = luabind::object();
_cb_postDraw = luabind::object();
_cb_preSim = luabind::object();
_cb_postSim = luabind::object();
_cb_onCommand = luabind::object();
_cb_onJoystick = luabind::object();
//luabind::set_error_callback(&Viewer::luabind_error);
lua_getglobal(L, "exit_function");
int exists_exit_function = !lua_isnil(L, -1);
lua_pop(L, 1);
if (exists_exit_function) {
try {
luabind::call_function<int>(L, "exit_function");
} catch (const std::exception& e) {
showLuaException(e, "exit_function()");
}
}
lua_close(L);
}
{
// setup lua
L = luaL_newstate();
// open all standard Lua libs
luaL_openlibs(L);
luaL_dostring(L, "os.setlocale('C')");
QString path = _settings->value("lua/path", "demo/?.lua;").toString();
QString p = QString("%1\";%2\"").arg("package.path = package.path..", path);
int error = luaL_loadstring(L, qPrintable(p))
|| lua_pcall(L, 0, LUA_MULTRET, 0);
if (error) {
lua_error = tr("error: %1").arg(lua_tostring(L, -1));
if (lua_error.contains(QRegExp(tr("stopping$")))) {
lua_error = tr("script stopped");
// qDebug() << "lua run : script stopped";
} else {
// qDebug() << QString("lua run : %1").arg(lua_error);
emit scriptHasOutput(lua_error);
}
lua_pop(L, 1); /* pop error message from the stack */
} else {
lua_error = tr("ok");
}
luabind::open(L);
// register all bpp classes
LuaBullet::luaBind(L);
Cam::luaBind(L);
Object::luaBind(L);
Objects::luaBind(L);
Cube::luaBind(L);
Cylinder::luaBind(L);
#ifdef HAS_LIB_ASSIMP
Mesh::luaBind(L);
OpenSCAD::luaBind(L);
#endif
Palette::luaBind(L);
Plane::luaBind(L);
Sphere::luaBind(L);
Viewer::luaBind(L);
#ifdef HAS_LUA_QT
#ifdef HAS_QEXTSERIAL
QSerialPort::luaBind(L);
#endif
// register some qt classes
register_classes(L);
#endif
luabind::bind_class_info(L);
lua_pushlightuserdata(L, (void*)this);
lua_pushcclosure(L, &Viewer::lua_print, 1);
lua_setglobal(L, "print");
}
luaBindInstance(L);
// useful for shell scripting. Example:
//
// #!/usr/bin/bpp -f
// print("Hello, BPP!")
if (txt.startsWith("#!")) { // remove potential shebang on first line
QStringList tmp = txt.split("\n");
tmp.removeAt(0);
txt = tmp.join("\n");
}
int error = luaL_loadstring(L, txt.toUtf8().constData())
|| lua_pcall(L, 0, LUA_MULTRET, 0);
if (error) {
lua_error = tr("error: %1").arg(lua_tostring(L, -1));
if (lua_error.contains(QRegExp(tr("stopping$")))) {
lua_error = tr("script stopped");
// qDebug() << "lua run : script stopped";
} else {
// qDebug() << QString("lua run : %1").arg(lua_error);
emit scriptHasOutput(lua_error);
}
lua_pop(L, 1); /* pop error message from the stack */
} else {
lua_error = tr("ok");
}
// report_errors(L, error);
// lua_close(L);
_frameNum = 0; // reset frames counter
_firstFrame = 0;
if (animStarted) {
startAnimation();
}
// qDebug() << "Viewer::parse() end";
emit scriptFinished();
_parsing = false;
return (error ? false : true);
}
void Viewer::clear() {
// qDebug() << "Viewer::clear() objects: " << _objects->size();
// bulletphysics.org/mediawiki-1.5.8/index.php/Stepping_the_World
//
// It's important that timeStep is always less than maxSubSteps*fixedTimeStep,
// otherwise you are losing time. Mathematically,
//
// timeStep < maxSubSteps * fixedTimeStep
//
_timeStep = 1/25.0; // 25fps
//_timeStep = 1/120.0; // 1/120th of a second
_maxSubSteps = 7;
_fixedTimeStep = 1/100.0; // 1/60th of a second
delete dynamicsWorld;
collisionCfg = new btDefaultCollisionConfiguration();
btBroadphaseInterface* broadphase = new btDbvtBroadphase();
dynamicsWorld = new btDiscreteDynamicsWorld(new btCollisionDispatcher(collisionCfg),
broadphase, new btSequentialImpulseConstraintSolver, collisionCfg);
dynamicsWorld->setGravity(btVector3(0.0f, -G, 0.0f));
btCollisionDispatcher * dispatcher =
static_cast<btCollisionDispatcher *>(dynamicsWorld->getDispatcher());
btGImpactCollisionAlgorithm::registerAlgorithm(dispatcher);
_objects->clear();
_constraints->clear();
_cb_shortcuts->clear();
_pov_settings_inc = "settings.inc";
setPreSDL(NULL);
setPostSDL(NULL);
if (_cam != NULL) {
_cam->setPreSDL(NULL);
_cam->setPostSDL(NULL);
_cam->setUseFocalBlur(0);
_cam->setUpVector(btVector3(0,1,0), true);
}
_light0 = btVector4( 200.0, 200.0, 200.0, 0.4);
_light1 = btVector4(-100.0, 1.0, -100.0, 0.0);
_gl_ambient = btVector3(0.3f, 0.3f, 0.3f);
_gl_diffuse = btVector4(0.8f, 0.8f, 0.8f, 1.0f);
_gl_shininess = btScalar(50.0);
_gl_specular_col = btVector4(0.85f, 0.85f, 0.85f, 1.0f);
_gl_specular = btVector4(0.0f, 0.0f, 0.0f, 0.0f);
_gl_model_ambient = btVector4(0.0f, 0.0f, 0.0f, 0.0f);
}
void Viewer::resetCamView() {
camera()->setUpVector(Vec(0,1,0), true);
camera()->setPosition(_initialCameraPosition);
camera()->setOrientation(_initialCameraOrientation);
camera()->setHorizontalFieldOfView(_initialCameraHorizontalFieldOfView);
//XXX updateGLViewer();
}
void Viewer::loadPrefs() {
// QGLViewer::restoreStateFromFile();
}
void Viewer::savePrefs() {
// qDebug() << "Viewer::savePrefs()";
QGLViewer::saveStateToFile();
}
void Viewer::openPovFile() {
QString file;
QString fileMain;
QString fileINI;
// qDebug() << "openPovFile() " << _scriptName;
QString sceneName;
if (!_scriptName.isEmpty()) {
QFileInfo fi(_scriptName);
sceneName = fi.completeBaseName();
} else {
sceneName = "no_name";
}
QDir pwdDir(".");
QString exportDir = _settings->value("povray/export", "export").toString();
if (!pwdDir.exists(exportDir)) {
if (!pwdDir.mkpath(exportDir)) {
QMessageBox msgBox;
msgBox.setText(tr("Unable to create directory %1.").arg(exportDir));
msgBox.exec();
return;
}
}
QString sceneDir = pwdDir.absoluteFilePath(exportDir + QDir::separator() + sceneName);
if (!pwdDir.exists(sceneDir)) {
if (!pwdDir.mkpath(sceneDir)) {
QMessageBox msgBox;
msgBox.setText(tr("Unable to create directory %1.").arg(sceneDir));
msgBox.exec();
return;
}
}
file.sprintf("%s/%s-%05d.inc", qPrintable(sceneDir), qPrintable(sceneName), _frameNum);
fileMain.sprintf("%s/%s.pov", qPrintable(sceneDir), qPrintable(sceneName));
fileINI.sprintf("%s/%s.ini", qPrintable(sceneDir), qPrintable(sceneName));
// qDebug() << "saving POV-Ray file: " << file;
_fileINI = new QFile(fileINI);
_fileINI->open(QFile::WriteOnly | QFile::Truncate);
QString name = qgetenv("USER");
if (name.isEmpty())
name = qgetenv("USERNAME");
QString timestamp = QDateTime::currentDateTime().toString("yyyy-MM-dd hh:mm:ss");
QTextStream *ini = new QTextStream(_fileINI);
*ini << "; Animation INI file generated by Bullet Physics Playground" << "\n";
*ini << QString("; %1 by %2").arg(timestamp, name) << "\n" << "\n";
*ini << "Input_File_Name=" << sceneName << ".pov" << "\n";
*ini << "Output_File_Name=" << sceneName << "-" << "\n";
*ini << "Output_to_File=On" << "\n";
*ini << "Pause_When_Done=Off" << "\n";
*ini << "Verbose=Off" << "\n";
*ini << "Display=On" << "\n";
*ini << "Width=720" << "\n";
*ini << "Height=480" << "\n";
*ini << "+FN" << "\n";
*ini << "+a +j0" << "\n";
// *ini << "Antialias_Threshold=0.3"
*ini << "+L/usr/share/bpp/includes +L../../includes" << "\n" << "\n";
*ini << "Initial_Clock=" << _firstFrame << "\n";
*ini << "Final_Clock=" << _frameNum << "\n";
*ini << "Final_Frame=" << _frameNum << "\n";
*ini << "[240p]" << "\n" << "Width=426" << "\n" << "Height=240" << "\n" << "Antialias=Off" << "\n";
*ini << "[720p]" << "\n" << "Width=1280" << "\n" << "Height=720" << "\n"
<< "Antialias=On" << "\n" << "Display=Off" << "\n";
*ini << "[1080p]" << "\n" << "Width=1920" << "\n" << "Height=1080" << "\n"
<< "Antialias=On" << "\n" << "Display=Off" << "\n";
*ini << "[2160p]" << "\n" << "Width=3840" << "\n" << "Height=2160" << "\n"
<< "Antialias=On" << "\n" << "Display=Off" << "\n";
if (_fileINI != NULL) {
_fileINI->close();
}
_fileMain = new QFile(fileMain);
_fileMain->open(QFile::WriteOnly | QFile::Truncate);
QTextStream *smain = new QTextStream(_fileMain);
*smain << "// Main POV file generated by Bullet Physics Playground" << "\n";
*smain << QString("// %1 by %2").arg(timestamp, name) << "\n" << "\n";
*smain << "#version 3.7;" << "\n" << "\n";
if (_pov_settings_inc != NULL && !_pov_settings_inc.isEmpty()) {
*smain << "#include \"" + _pov_settings_inc + "\"" << "\n" << "\n";
}
*smain << "#include concat(concat(\"" << sceneName << "-\",str(clock,-5,0)),\".inc\")" << "\n" << "\n";
if (_fileMain != NULL) {
_fileMain->close();
}
_file = new QFile(file);
_file->open(QFile::WriteOnly | QFile::Truncate);
_stream = new QTextStream(_file);
*_stream << "// Include file generated by Bullet Physics Playground" << "\n" << "\n";
if (!mPreSDL.isEmpty()) {
*_stream << mPreSDL << "\n" << "\n";
}
if (_cam != NULL) {
*_stream << "#declare use_focal_blur = " << _cam->getUseFocalBlur() << "; // 0=off 1=low quality 10=high quality" << "\n" << "\n";
if (_cam->getPreSDL() == NULL) {
Vec pos = camera()->position();
*_stream << "camera { " << "\n"
<< " location < " << pos.x << ", " << pos.y << ", " << pos.z << " >" << "\n"
<< " right - image_width/image_height*x" << "\n";
/*
Vec dir = ((Cam*)camera())->viewDirection();
*_stream << " direction <"
<< dir.x
<< ", "
<< dir.y
<< ", "
<< dir.z
<< "> ";
*/
Vec look = ((Cam*)camera())->viewDirection() * 1000000 + camera()->position();
*_stream << " look_at <"
<< look.x