void doSceneGraph( arMasterSlaveFramework &fw )
{
static int loops = 0;
static ar_timeval starttime = ar_time();
static ar_timeval lastdrawtime = ar_time();
ar_timeval now = ar_time();
long long curtime = ( now.sec * 1000000 ) + now.usec, lasttime = ( lastdrawtime.sec * 1000000 ) + lastdrawtime.usec;
long long sleeptime = 2000 - ( curtime - lasttime );
ar_usleep( max( (int)sleeptime, 1 ) );
fw.loadNavMatrix();
glClearColor( 0, 0.749, 1, 0 );
primary.draw();
secondary.draw();
sg->drawSceneGraph();
if( menuOn )
drawMenu( menu, fw );
lastdrawtime = ar_time();
loops++;
if( lastdrawtime.sec > starttime.sec )
{
cout << "fps=" << loops << endl;
starttime = lastdrawtime;
loops = 0;
}
}
// draw callback
// Purposes:
// - Load the navigation matrix to reflect frame's navigation
// - Use OpenGL to generate computer graphics.
void draw(arMasterSlaveFramework& framework)
{
// Load the navigation matrix.
framework.loadNavMatrix();
// Generate graphics.
if(selectionMode == 2)
{
renderPrimitive(-2.5f); // draws square with quadrants
drawObjects(-2.5f); // draw the mini versions
}
vector<arInteractable*>::iterator i;
for(i=objects.begin(); i != objects.end(); ++i)
{
Object* oby = ((Object*)(*i));
oby->draw();
}
// Draw the effectors.
rightHand.draw();
leftHand.draw();
}
void drawHelp( arMasterSlaveFramework &fw )
{
static arTexture tex;
static bool init = false;
if( !init )
{
tex.readJPEG( "help.jpg" );
init = true;
}
static float size = 4;
static GLfloat v[4][3] =
{
{ -size / 2, -size / 2, 0.0001 },
{ size / 2, -size / 2, 0.0001 },
{ size / 2, size / 2, 0.0001 },
{ -size / 2, size / 2, 0.0001 }
};
glPushMatrix();
glMultMatrixf( ( ar_getNavMatrix() * fw.getMidEyeMatrix() * ar_TM( 0, 0, -5 ) ).v );
glClearColor( 1, 1, 1, 0 );
tex.activate();
glBegin( GL_QUADS );
glTexCoord2f( 0, 0 ); glVertex3fv( v[0] );
glTexCoord2f( 1, 0 ); glVertex3fv( v[1] );
glTexCoord2f( 1, 1 ); glVertex3fv( v[2] );
glTexCoord2f( 0, 1 ); glVertex3fv( v[3] );
glEnd();
tex.deactivate();
glPopMatrix();
}
// postExchange callback
// Purposes:
// - Update effectors based on input state transferred from master node.
// - Synchronize slave nodes with master node based on transferred data. This is not necessary
// for our system, but here's an example for cluster-based systems.
void postExchange(arMasterSlaveFramework& framework)
{
// Presumably the master node already is up-to-date, so we ignore it.
if(!framework.getMaster()) {
// Update effectors.
rightHand.updateState(framework.getInputState());
leftHand.updateState(framework.getInputState());
// Synchronize shared memory.
vector<arInteractable*>::iterator i;
for(i=objects.begin(); i != objects.end(); ++i)
{
Object* oby = ((Object*)(*i));
oby->setMatrix(oby->matrix.v);
}
}
}
// windowEvent callback
// Purposes:
// - Process window events, such as resizing
// Notes:
// The values are defined in src/graphics/arGUIDefines.h.
// arGUIWindowInfo is in arGUIInfo.h.
// The window manager is in arGUIWindowManager.h.
void windowEvent(arMasterSlaveFramework& framework, arGUIWindowInfo* windowInfo)
{
// Process window events. Here, we handle window resizing.
if(windowInfo->getState() == AR_WINDOW_RESIZE) {
const int windowID = windowInfo->getWindowID();
#ifdef UNUSED
const int x = windowInfo->getPosX();
const int y = windowInfo->getPosY();
#endif
const int width = windowInfo->getSizeX();
const int height = windowInfo->getSizeY();
framework.getWindowManager()->setWindowViewport(windowID, 0, 0, width, height);
}
}
// start callback
// Purposes:
// - Register shared memory by adding transfer fields. This is to syncronize cluster-based
// systems, hence we don't need to do this. But there's a few examples anyway.
// - Set up navigation through the framework by specifying translation conditions, rotation
// conditions, translation speed, and rotation speed. We provide a couple examples here.
// - Initialize any global variables specific to your application.
// Notes:
// DO NOT initialize OpenGL here. The start callback is called before window creation.
// Instead initialize OpenGL in the windowStartGL callback.
bool start(arMasterSlaveFramework& framework, arSZGClient& client )
{
theMrCreepyBook7.setMatrix(ar_translationMatrix(-3,4,-7));
objects.push_back(&theMrCreepyBook7);
theMrBookshelf6.setMatrix(ar_translationMatrix(-3,3,-7));
objects.push_back(&theMrBookshelf6);
theMrDungeonRoom5.setMatrix(ar_translationMatrix(0,4,-5));
objects.push_back(&theMrDungeonRoom5);
// Register shared memory. Not needed for non-cluster-based systems.
// framework.addTransferField(char* name, void* address, arDataType type, int numElements);
vector<arInteractable*>::iterator i;
for(i=objects.begin(); i != objects.end(); ++i)
{
Object* obj = ((Object*)(*i));
obj->loadedOBJ.normalizeModelSize();
ostringstream ostr;
ostr << "objMatrix" << &i;
arMatrix4 obM = obj->matrix;
framework.addTransferField(ostr.str(), &obM, AR_FLOAT, 16);
}
// Set up navigation.
// A traditional pointing technique using the joystick with left and right rotating the scene.
// Translate along Z-axis (forwards/backwards) if joystick is pressed more than 20% along axis 1.
framework.setNavTransCondition('z', AR_EVENT_AXIS, 1, 0.2);
// Rotate around Y-axis (vertical) if joystick is pressed more than 20% along axis 0.
//framework.setNavRotCondition('y', AR_EVENT_AXIS, 0, 0.2); //FOR ROTATE
framework.setNavTransCondition('x', AR_EVENT_AXIS, 0, 0.2); //FOR STRAFING
// Set translation speed to 5 feet/second.
framework.setNavTransSpeed(5.0);
// Set rotation speed to 30 degrees/second.
framework.setNavRotSpeed(30.0);
// Initialize application variables here.
// Move object's to initial positions.
// Create sound transform.
soundTransformID = dsTransform("world", framework.getNavNodeName(), ar_scaleMatrix(1.0));
// Parameters are:
// name - string name for sound
// transformName - string name for dsTransform
// loopType - 1 for continuous, -1 for one-time, 0 to stop
// loudness - float from 0.0 (quiet) to 1.0 (max)
// positionVector - vector position of sound origin
// Create loop for click sound.
clickSound = dsLoop("click", "world", "click.mp3", 0, 1.0, arVector3(0, 0, 0));
musicNotey.readOBJ("MusicNote.obj","data/obj");
// Return true if everything is initialized correctly.
return true;
}
// preExchange callback
// Purposes:
// - Handle navigation updates.
// - Process user input.
// - Set random variables.
// - Update shared memory.
// Notes:
// This is only called on the master node of the cluster and before shared memory is
// transferred to the slave nodes.
void preExchange(arMasterSlaveFramework& framework)
{
// Handle navigation update. The resulting navigation matrix is automatically transferred
// to the slave nodes.
framework.navUpdate();
currentTimeGlobal = framework.getTime();
double currentTime = framework.getTime();
// Process user input.
// Update shared memory.
// Transfer data about objects to slave nodes.
// Detect right hand collisions.
rightHand.detectCollisions(rightHand, objects);
// Extend left ray to collision point.
leftHand.extend(leftHand, objects);
// Update input state (placement matrix & button states) of our effectors.
rightHand.updateState(framework.getInputState());
leftHand.updateState(framework.getInputState());
// Handle any interaction with the objects (see interaction/arInteractionUtilities.h).
list<arInteractable*> objectlist;
std::copy(objects.begin (), objects.end (), std::back_inserter(objectlist));
ar_pollingInteraction(rightHand, objectlist);
ar_pollingInteraction(leftHand, objectlist);
// Play click sound if right hand has grabbed an object.
if(rightHand.getGrabbedObject() != 0)
{
dsLoop(clickSound, "click.mp3", -1, 1.0, arVector3(0, 0, 0));
}
// Or reset the trigger
else
{
dsLoop(clickSound, "click.mp3", 0, 1.0, arVector3(0, 0, 0));
}
// Update shared memory.
// Transfer data about objects to slave nodes.
vector<arInteractable*>::iterator i;
for(i=objects.begin(); i != objects.end(); ++i)
{
Object* oby = ((Object*)(*i));
oby->matrix = oby->getMatrix();
}
arMatrix4 navMatrix = ar_getNavMatrix();
}
void onPreExchange( arMasterSlaveFramework &fw )
{
fw.navUpdate();
// update the input state (placement matrix & button states) of our effector.
primary.updateState( fw.getInputState() );
secondary.updateState( fw.getInputState() );
if( primary.getButton( WiiMote::HOME ) && secondary.getButton( WiiMote::HOME ) )
{
helpOn = true;
setMenuOff();
fw.setDrawCallback( drawHelp );
}
if( helpOn )
{
if( primary.getButton( WiiMote::A ) || secondary.getButton( WiiMote::A ) )
{
helpOn = false;
fw.setDrawCallback( doSceneGraph );
return;
}
}
else
{
//used for scale the world (and possibly other scales later)
WiiMote::updateTipDistance(primary, secondary);
scaleWorld();
moveWorld( fw );
std::map<WiiMote::button_t, std::list<WiiMote*> > buttonMap;
WiiMote::ButtonList buttons = secondary.getDownButtons();
for( WiiMote::ButtonList::iterator it = buttons.begin(); it != buttons.end(); ++it )
{ // Process all butons just pressed on secondary
if( buttonMap.find( *it ) == buttonMap.end() )
buttonMap.insert( std::make_pair( *it, std::list<WiiMote*>( 1, &secondary ) ) );
else
buttonMap[*it].push_back( &secondary );
}
buttons = primary.getDownButtons();
for( WiiMote::ButtonList::iterator it = buttons.begin(); it != buttons.end(); ++it )
{ // Process all butons just pressed on primary
if( buttonMap.find( *it ) == buttonMap.end() )
buttonMap.insert( std::make_pair( *it, std::list<WiiMote*>( 1, &primary ) ) );
else
buttonMap[*it].push_back( &primary );
}
buttons = primary.getUpButtons();
for( WiiMote::ButtonList::iterator it = buttons.begin(); it != buttons.end(); ++it )
{
switch( *it )
{
case WiiMote::A:
case WiiMote::B:
if( primary.getGrabbedObject() )
primary.requestUngrab( primary.getGrabbedObject() );
break;
default:
break;
}
}
buttons = secondary.getUpButtons();
for( WiiMote::ButtonList::iterator it = buttons.begin(); it != buttons.end(); ++it )
{
switch( *it )
{
case WiiMote::A:
case WiiMote::B:
if( secondary.getGrabbedObject() )
secondary.requestUngrab( secondary.getGrabbedObject() );
break;
default:
break;
}
}
for( std::map<WiiMote::button_t, std::list<WiiMote*> >::iterator it = buttonMap.begin(); it != buttonMap.end(); ++it )
{
switch( it->first )
{
case WiiMote::HOME:
toggleMenu();
break;
case WiiMote::DOWN:
if( menuOn )
menu->pressedDown();
break;
case WiiMote::RIGHT:
if( menuOn )
menu->pressedRight();
break;
case WiiMote::LEFT:
if( menuOn )
menu->pressedLeft();
break;
case WiiMote::UP:
if( menuOn )
menu->pressedUp();
break;
case WiiMote::MINUS:
cout << "MINUS was pressed" << endl;
if( !menuOn )
{
iSelectMenuObj = 1;
for( std::list<arInteractable*>::iterator it = SelectedObjects.begin(); it != SelectedObjects.end(); ++it )
if( Node *n = dynamic_cast<Node*>( *it ) )
n->setSelected( false );
SelectedObjects.clear();
}
break;
case WiiMote::PLUS:
cout << "PLUS was pressed" << endl;
if( !menuOn )
iSelectMenuObj = 2;
break;
case WiiMote::A:
iSelectMenuObj = 0;
if( menuOn )
{
switch( menu->pressedA() )
{
case REDRAW:
setMenuOff();
setMenuOn();
break;
case CLOSE:
setMenuOff();
break;
default:
break;
}
}
break;
case WiiMote::ONE:
for(std::list<WiiMote*>::iterator itt = it->second.begin(); itt != it->second.end(); ++itt)
{
(*itt)->toggleLightSaber();
}
break;
default:
break;
}
}
// do ray-casting after menu actions
if ( !menuOn ) {
rightClosest = primary.closestObject(interactableObjects);
leftClosest = secondary.closestObject(interactableObjects);
}
if( rightClosest )
{
rightClosest->touch( primary );
if( primary.getButton( WiiMote::A ) && primary.getButton( WiiMote::B ) )
{
primary.requestScaleGrab( rightClosest );
}
else if( primary.getButton( WiiMote::A ) )
{
primary.requestPosGrab( rightClosest );
}
else if( primary.getButton( WiiMote::B ) )
{
primary.requestRotGrab( rightClosest );
}
else if(((primary.getButton( WiiMote::PLUS )) || (primary.getButton( WiiMote::MINUS ))) && ((iSelectMenuObj == 1) || (iSelectMenuObj == 2)))
{
bool found = false;
std::list<arInteractable*> tempSelectedObjects;
while (!SelectedObjects.empty())
{
if ( SelectedObjects.front() == rightClosest )
{
cout << "Removing right hand object to selected list" << endl;
rightClosest->setSelected( false );
SelectedObjects.pop_front();
found = true;
iSelectMenuObj = 0;
break;
}
else
{
tempSelectedObjects.push_back( SelectedObjects.front() );
SelectedObjects.pop_front();
}
}
while (!tempSelectedObjects.empty())
{
SelectedObjects.push_back( tempSelectedObjects.front() );
if( Node *n = dynamic_cast<Node*>( tempSelectedObjects.front() ) )
n->setSelected( true );
tempSelectedObjects.pop_front();
}
if (!found)
{
cout << "Adding right hand object to selected list" << endl;
SelectedObjects.push_back( rightClosest );
rightClosest->setSelected( true );
iSelectMenuObj = 0;
}
}
}
if( leftClosest )
{
leftClosest->touch( secondary );
if( secondary.getButton( WiiMote::A ) && secondary.getButton( WiiMote::B ) )
{
secondary.requestScaleGrab( leftClosest );
}
else if( secondary.getButton( WiiMote::A ) )
{
secondary.requestPosGrab( leftClosest );
}
else if( secondary.getButton( WiiMote::B ) )
{
secondary.requestRotGrab( leftClosest );
}
else if(((secondary.getButton( WiiMote::PLUS )) || (secondary.getButton( WiiMote::MINUS ))) && ((iSelectMenuObj == 1) || (iSelectMenuObj == 2)))
{
bool found = false;
std::list<arInteractable*> tempSelectedObjects;
while (!SelectedObjects.empty())
{
if ( SelectedObjects.front() == leftClosest )
{
cout << "Removing left hand object to selected list" << endl;
leftClosest->setSelected( false );
SelectedObjects.pop_front();
found = true;
iSelectMenuObj = 0;
break;
}
else
{
tempSelectedObjects.push_back( SelectedObjects.front() );
SelectedObjects.pop_front();
}
}
while (!tempSelectedObjects.empty())
{
SelectedObjects.push_back( tempSelectedObjects.front() );
if( Node *n = dynamic_cast<Node*>( tempSelectedObjects.front() ) )
n->setSelected( true );
tempSelectedObjects.pop_front();
}
if (!found)
{
cout << "Adding left hand object to selected list" << endl;
SelectedObjects.push_back( leftClosest );
leftClosest->setSelected( true );
iSelectMenuObj = 0;
}
}
}
}
}