// 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);
}
}
}
// 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;
}
}
}
}
}